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-rwxr-xr-x.gitignore2
-rw-r--r--.travis.yml2
-rw-r--r--Zotlabs/Module/Admin/Plugins.php82
-rw-r--r--Zotlabs/Module/Admin/Themes.php87
-rw-r--r--Zotlabs/Module/Wiki.php4
-rw-r--r--composer.json5
-rw-r--r--composer.lock3303
-rw-r--r--include/help.php16
-rw-r--r--include/markdown.php41
-rw-r--r--include/text.php10
-rw-r--r--library/markdown.php2932
-rw-r--r--vendor/autoload.php2
-rw-r--r--vendor/composer/ClassLoader.php36
-rw-r--r--vendor/composer/autoload_classmap.php13
-rw-r--r--vendor/composer/autoload_namespaces.php1
-rw-r--r--vendor/composer/autoload_real.php2
-rw-r--r--vendor/composer/autoload_static.php26
-rw-r--r--vendor/composer/installed.json67
-rw-r--r--vendor/michelf/php-markdown/License.md36
-rw-r--r--vendor/michelf/php-markdown/Michelf/Markdown.inc.php10
-rw-r--r--vendor/michelf/php-markdown/Michelf/Markdown.php1896
-rw-r--r--vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php11
-rw-r--r--vendor/michelf/php-markdown/Michelf/MarkdownExtra.php1785
-rw-r--r--vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php9
-rw-r--r--vendor/michelf/php-markdown/Michelf/MarkdownInterface.php38
-rw-r--r--vendor/michelf/php-markdown/Readme.md384
-rw-r--r--vendor/michelf/php-markdown/Readme.php31
-rw-r--r--vendor/michelf/php-markdown/composer.json31
28 files changed, 7787 insertions, 3075 deletions
diff --git a/.gitignore b/.gitignore
index 75be5b0c2..039a8f530 100755
--- a/.gitignore
+++ b/.gitignore
@@ -63,6 +63,8 @@ nbproject/
## composer
# locally installed composer binary
composer.phar
+# allow composer.lock, as it is required to have a common state
+!composer.lock
# vendor/ is managed by composer, no need to include in our repository
# requires new deployment and needs discussion first
#vendor/
diff --git a/.travis.yml b/.travis.yml
index 2830d1b9f..3570fe411 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -32,7 +32,7 @@ matrix:
# - if [[ "$DB" == "mysql" ]]; then mysql -e "create database IF NOT EXISTS hello_world_test;" -uroot; fi
install:
- - composer require phpunit/phpunit
+ - composer install --optimize-autoloader
# omitting "script:" will default to phpunit
# use the $DB env variable to determine the phpunit.xml to use
diff --git a/Zotlabs/Module/Admin/Plugins.php b/Zotlabs/Module/Admin/Plugins.php
index 527e96496..feb29e9d6 100644
--- a/Zotlabs/Module/Admin/Plugins.php
+++ b/Zotlabs/Module/Admin/Plugins.php
@@ -3,10 +3,14 @@
namespace Zotlabs\Module\Admin;
use \Zotlabs\Storage\GitRepo as GitRepo;
+use \Michelf\MarkdownExtra;
class Plugins {
-
+ /**
+ * @brief
+ *
+ */
function post() {
if(argc() > 2 && is_file("addon/" . argv(2) . "/" . argv(2) . ".php")) {
@@ -15,16 +19,15 @@ class Plugins {
$func = argv(2) . '_plugin_admin_post';
$func($a);
}
-
- goaway(z_root() . '/admin/plugins/' . argv(2) );
+ goaway(z_root() . '/admin/plugins/' . argv(2) );
}
elseif(argc() > 2) {
switch(argv(2)) {
case 'updaterepo':
if (array_key_exists('repoName', $_REQUEST)) {
$repoName = $_REQUEST['repoName'];
- }
+ }
else {
json_return_and_die(array('message' => 'No repo name provided.', 'success' => false));
}
@@ -101,16 +104,15 @@ class Plugins {
logger('Repo directory not writable to web server: ' . $repoDir);
json_return_and_die(array('message' => 'Repo directory not writable to web server.', 'success' => false));
}
- // TODO: remove directory and unlink /addon/files
+ /// @TODO remove directory and unlink /addon/files
if (rrmdir($repoDir)) {
json_return_and_die(array('message' => 'Repo deleted.', 'success' => true));
} else {
json_return_and_die(array('message' => 'Error deleting addon repo.', 'success' => false));
}
case 'installrepo':
- require_once('library/markdown.php');
if (array_key_exists('repoURL', $_REQUEST)) {
- require_once('library/PHPGit.autoload.php'); // Load PHPGit dependencies
+ require_once('library/PHPGit.autoload.php'); // Load PHPGit dependencies
$repoURL = $_REQUEST['repoURL'];
$extendDir = 'store/[data]/git/sys/extend';
$addonDir = $extendDir . '/addon';
@@ -170,9 +172,8 @@ class Plugins {
json_return_and_die(array('repo' => $repo, 'message' => '', 'success' => true));
}
case 'addrepo':
- require_once('library/markdown.php');
if (array_key_exists('repoURL', $_REQUEST)) {
- require_once('library/PHPGit.autoload.php'); // Load PHPGit dependencies
+ require_once('library/PHPGit.autoload.php'); // Load PHPGit dependencies
$repoURL = $_REQUEST['repoURL'];
$extendDir = 'store/[data]/git/sys/extend';
$addonDir = $extendDir . '/addon';
@@ -225,7 +226,7 @@ class Plugins {
$repo['readme'] = $repo['manifest'] = null;
foreach ($git->git->tree('master') as $object) {
if ($object['type'] == 'blob' && (strtolower($object['file']) === 'readme.md' || strtolower($object['file']) === 'readme')) {
- $repo['readme'] = Markdown($git->git->cat->blob($object['hash']));
+ $repo['readme'] = MarkdownExtra::defaultTransform($git->git->cat->blob($object['hash']));
} else if ($object['type'] == 'blob' && strtolower($object['file']) === 'manifest.json') {
$repo['manifest'] = $git->git->cat->blob($object['hash']);
}
@@ -241,7 +242,11 @@ class Plugins {
}
}
-
+ /**
+ * @brief Plugins admin page.
+ *
+ * @return string with parsed HTML
+ */
function get() {
/*
@@ -254,13 +259,13 @@ class Plugins {
notice( t("Item not found.") );
return '';
}
-
+
$enabled = in_array($plugin,\App::$plugins);
$info = get_plugin_info($plugin);
$x = check_plugin_versions($info);
-
+
// disable plugins which are installed but incompatible versions
-
+
if($enabled && ! $x) {
$enabled = false;
$idz = array_search($plugin, \App::$plugins);
@@ -271,7 +276,7 @@ class Plugins {
}
}
$info['disabled'] = 1-intval($x);
-
+
if (x($_GET,"a") && $_GET['a']=="t"){
check_form_security_token_redirectOnErr('/admin/plugins', 'admin_plugins', 't');
$pinstalled = false;
@@ -297,9 +302,9 @@ class Plugins {
}
goaway(z_root() . '/admin/plugins' );
}
+
// display plugin details
- require_once('library/markdown.php');
-
+
if (in_array($plugin, \App::$plugins)){
$status = 'on';
$action = t('Disable');
@@ -307,21 +312,21 @@ class Plugins {
$status = 'off';
$action = t('Enable');
}
-
+
$readme = null;
if (is_file("addon/$plugin/README.md")){
$readme = file_get_contents("addon/$plugin/README.md");
- $readme = Markdown($readme);
+ $readme = MarkdownExtra::defaultTransform($readme);
} else if (is_file("addon/$plugin/README")){
$readme = "<pre>". file_get_contents("addon/$plugin/README") ."</pre>";
}
-
+
$admin_form = '';
-
+
$r = q("select * from addon where plugin_admin = 1 and aname = '%s' limit 1",
dbesc($plugin)
);
-
+
if($r) {
@require_once("addon/$plugin/$plugin.php");
if(function_exists($plugin.'_plugin_admin')) {
@@ -329,8 +334,8 @@ class Plugins {
$func($a, $admin_form);
}
}
-
-
+
+
$t = get_markup_template('admin_plugins_details.tpl');
return replace_macros($t, array(
'$title' => t('Administration'),
@@ -338,7 +343,7 @@ class Plugins {
'$toggle' => t('Toggle'),
'$settings' => t('Settings'),
'$baseurl' => z_root(),
-
+
'$plugin' => $plugin,
'$status' => $status,
'$action' => $action,
@@ -351,17 +356,17 @@ class Plugins {
'$str_serverroles' => t('Compatible Server Roles: '),
'$str_requires' => t('Requires: '),
'$disabled' => t('Disabled - version incompatibility'),
-
+
'$admin_form' => $admin_form,
'$function' => 'plugins',
'$screenshot' => '',
'$readme' => $readme,
-
+
'$form_security_token' => get_form_security_token('admin_plugins'),
));
}
-
-
+
+
/*
* List plugins
*/
@@ -374,9 +379,9 @@ class Plugins {
$info = get_plugin_info($id);
$enabled = in_array($id,\App::$plugins);
$x = check_plugin_versions($info);
-
+
// disable plugins which are installed but incompatible versions
-
+
if($enabled && ! $x) {
$enabled = false;
$idz = array_search($id, \App::$plugins);
@@ -387,19 +392,19 @@ class Plugins {
}
}
$info['disabled'] = 1-intval($x);
-
+
$plugins[] = array( $id, (($enabled)?"on":"off") , $info);
}
}
}
-
+
usort($plugins,'self::plugin_sort');
$allowManageRepos = false;
if(is_writable('extend/addon') && is_writable('store/[data]')) {
$allowManageRepos = true;
- }
-
+ }
+
$admin_plugins_add_repo_form= replace_macros(
get_markup_template('admin_plugins_addrepo.tpl'), array(
'$post' => 'admin/plugins/addrepo',
@@ -418,14 +423,14 @@ class Plugins {
'$cancel' => t('Cancel')
)
);
-
+
$reponames = $this->listAddonRepos();
$addonrepos = [];
foreach($reponames as $repo) {
$addonrepos[] = array('name' => $repo, 'description' => '');
- // TODO: Parse repo info to provide more information about repos
+ /// @TODO Parse repo info to provide more information about repos
}
-
+
$t = get_markup_template('admin_plugins.tpl');
return replace_macros($t, array(
'$title' => t('Administration'),
@@ -471,5 +476,4 @@ class Plugins {
return(strcmp(strtolower($a[2]['name']),strtolower($b[2]['name'])));
}
-
} \ No newline at end of file
diff --git a/Zotlabs/Module/Admin/Themes.php b/Zotlabs/Module/Admin/Themes.php
index fc908ec8b..8e72a1318 100644
--- a/Zotlabs/Module/Admin/Themes.php
+++ b/Zotlabs/Module/Admin/Themes.php
@@ -2,38 +2,41 @@
namespace Zotlabs\Module\Admin;
+use \Michelf\MarkdownExtra;
+/**
+ * @brief Admin area theme settings.
+ */
class Themes {
+ /**
+ * @brief
+ *
+ */
function post() {
$theme = argv(2);
if (is_file("view/theme/$theme/php/config.php")){
require_once("view/theme/$theme/php/config.php");
- // fixme add parent theme if derived
- if (function_exists("theme_admin_post")){
+ /// @FIXME add parent theme if derived
+ if (function_exists('theme_admin_post')){
theme_admin_post($a);
}
}
info(t('Theme settings updated.'));
- if(is_ajax())
+ if(is_ajax())
return;
-
+
goaway(z_root() . '/admin/themes/' . $theme );
}
-
-
-
/**
* @brief Themes admin page.
*
- * @return string
+ * @return string with parsed HTML
*/
-
function get(){
-
$allowed_themes_str = get_config('system', 'allowed_themes');
$allowed_themes_raw = explode(',', $allowed_themes_str);
$allowed_themes = array();
@@ -41,7 +44,7 @@ class Themes {
foreach($allowed_themes_raw as $x)
if(strlen(trim($x)))
$allowed_themes[] = trim($x);
-
+
$themes = array();
$files = glob('view/theme/*');
if($files) {
@@ -53,56 +56,55 @@ class Themes {
$themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
}
}
-
+
if(! count($themes)) {
notice( t('No themes found.'));
return '';
}
-
+
/*
* Single theme
*/
-
+
if (\App::$argc == 3){
$theme = \App::$argv[2];
if(! is_dir("view/theme/$theme")){
notice( t("Item not found.") );
return '';
}
-
+
if (x($_GET,"a") && $_GET['a']=="t"){
check_form_security_token_redirectOnErr('/admin/themes', 'admin_themes', 't');
-
+
// Toggle theme status
-
+
$this->toggle_theme($themes, $theme, $result);
$s = $this->rebuild_theme_table($themes);
if($result)
info( sprintf('Theme %s enabled.', $theme));
else
info( sprintf('Theme %s disabled.', $theme));
-
+
set_config('system', 'allowed_themes', $s);
goaway(z_root() . '/admin/themes' );
}
-
+
// display theme details
- require_once('library/markdown.php');
-
+
if ($this->theme_status($themes,$theme)) {
$status="on"; $action= t("Disable");
} else {
$status="off"; $action= t("Enable");
}
-
+
$readme=Null;
if (is_file("view/theme/$theme/README.md")){
$readme = file_get_contents("view/theme/$theme/README.md");
- $readme = Markdown($readme);
+ $readme = MarkdownExtra::defaultTransform($readme);
} else if (is_file("view/theme/$theme/README")){
- $readme = "<pre>". file_get_contents("view/theme/$theme/README") ."</pre>";
+ $readme = '<pre>'. file_get_contents("view/theme/$theme/README") .'</pre>';
}
-
+
$admin_form = '';
if (is_file("view/theme/$theme/php/config.php")){
require_once("view/theme/$theme/php/config.php");
@@ -110,11 +112,11 @@ class Themes {
$admin_form = theme_admin($a);
}
}
-
+
$screenshot = array( get_theme_screenshot($theme), t('Screenshot'));
if(! stristr($screenshot[0],$theme))
$screenshot = null;
-
+
$t = get_markup_template('admin_plugins_details.tpl');
return replace_macros($t, array(
'$title' => t('Administration'),
@@ -122,7 +124,7 @@ class Themes {
'$toggle' => t('Toggle'),
'$settings' => t('Settings'),
'$baseurl' => z_root(),
-
+
'$plugin' => $theme,
'$status' => $status,
'$action' => $action,
@@ -133,22 +135,22 @@ class Themes {
'$str_maintainer' => t('Maintainer: '),
'$screenshot' => $screenshot,
'$readme' => $readme,
-
+
'$form_security_token' => get_form_security_token('admin_themes'),
));
}
-
+
/*
* List themes
*/
-
+
$xthemes = array();
if($themes) {
foreach($themes as $th) {
$xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
}
}
-
+
$t = get_markup_template('admin_plugins.tpl');
return replace_macros($t, array(
'$title' => t('Administration'),
@@ -162,13 +164,14 @@ class Themes {
'$form_security_token' => get_form_security_token('admin_themes'),
));
}
-
/**
- * @param array $themes
- * @param string $th
- * @param int $result
+ * @brief Toggle a theme.
+ *
+ * @param array &$themes
+ * @param[in] string $th
+ * @param[out] int &$result
*/
function toggle_theme(&$themes, $th, &$result) {
for($x = 0; $x < count($themes); $x ++) {
@@ -184,7 +187,7 @@ class Themes {
}
}
}
-
+
/**
* @param array $themes
* @param string $th
@@ -203,8 +206,7 @@ class Themes {
}
return 0;
}
-
-
+
/**
* @param array $themes
* @return string
@@ -222,12 +224,5 @@ class Themes {
}
return $o;
}
-
-
-
-
-
-
-
}
diff --git a/Zotlabs/Module/Wiki.php b/Zotlabs/Module/Wiki.php
index 15806ffc3..5e7307c7b 100644
--- a/Zotlabs/Module/Wiki.php
+++ b/Zotlabs/Module/Wiki.php
@@ -3,6 +3,7 @@
namespace Zotlabs\Module;
use \Zotlabs\Lib as Zlib;
+use \Michelf\MarkdownExtra;
require_once('include/acl_selectors.php');
require_once('include/conversation.php');
@@ -242,8 +243,7 @@ class Wiki extends \Zotlabs\Web\Controller {
$renderedContent = Zlib\NativeWikiPage::convert_links(zidify_links(smilies(bbcode($content))), argv(0) . '/' . argv(1) . '/' . $wikiUrlName);
}
else {
- require_once('library/markdown.php');
- $html = Zlib\NativeWikiPage::generate_toc(zidify_text(purify_html(Markdown(Zlib\NativeWikiPage::bbcode($content)))));
+ $html = Zlib\NativeWikiPage::generate_toc(zidify_text(purify_html(MarkdownExtra::defaultTransform(Zlib\NativeWikiPage::bbcode($content)))));
$renderedContent = Zlib\NativeWikiPage::convert_links($html, argv(0) . '/' . argv(1) . '/' . $wikiUrlName);
}
$showPageControls = $wiki_editor;
diff --git a/composer.json b/composer.json
index abf583875..d977987eb 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,8 @@
"ext-mbstring" : "*",
"ext-xml" : "*",
"ext-openssl" : "*",
- "sabre/dav" : "~3.2"
+ "sabre/dav" : "~3.2",
+ "michelf/php-markdown" : "^1.7"
},
"require-dev" : {
"php" : ">=5.6",
@@ -52,4 +53,4 @@
"config" : {
"notify-on-install" : false
}
-} \ No newline at end of file
+}
diff --git a/composer.lock b/composer.lock
new file mode 100644
index 000000000..cf348bdae
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,3303 @@
+{
+ "_readme": [
+ "This file locks the dependencies of your project to a known state",
+ "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+ "This file is @generated automatically"
+ ],
+ "content-hash": "4b24468c1f8babe7c8804fba8ee602f7",
+ "packages": [
+ {
+ "name": "michelf/php-markdown",
+ "version": "1.7.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/michelf/php-markdown.git",
+ "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/michelf/php-markdown/zipball/1f51cc520948f66cd2af8cbc45a5ee175e774220",
+ "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.0"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-lib": "1.4.x-dev"
+ }
+ },
+ "autoload": {
+ "psr-0": {
+ "Michelf": ""
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "BSD-3-Clause"
+ ],
+ "authors": [
+ {
+ "name": "Michel Fortin",
+ "email": "michel.fortin@michelf.ca",
+ "homepage": "https://michelf.ca/",
+ "role": "Developer"
+ },
+ {
+ "name": "John Gruber",
+ "homepage": "https://daringfireball.net/"
+ }
+ ],
+ "description": "PHP Markdown",
+ "homepage": "https://michelf.ca/projects/php-markdown/",
+ "keywords": [
+ "markdown"
+ ],
+ "time": "2016-10-29T18:58:20+00:00"
+ },
+ {
+ "name": "psr/log",
+ "version": "1.0.2",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/php-fig/log.git",
+ "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+ "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.0"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "1.0.x-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Psr\\Log\\": "Psr/Log/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "PHP-FIG",
+ "homepage": "http://www.php-fig.org/"
+ }
+ ],
+ "description": "Common interface for logging libraries",
+ "homepage": "https://github.com/php-fig/log",
+ "keywords": [
+ "log",
+ "psr",
+ "psr-3"
+ ],
+ "time": "2016-10-10T12:19:37+00:00"
+ },
+ {
+ "name": "sabre/dav",
+ "version": "3.2.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/fruux/sabre-dav.git",
+ "reference": "5b9737cc2f0182e368d14c80df7f6b2d77dc1457"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/fruux/sabre-dav/zipball/5b9737cc2f0182e368d14c80df7f6b2d77dc1457",
+ "reference": "5b9737cc2f0182e368d14c80df7f6b2d77dc1457",
+ "shasum": ""
+ },
+ "require": {
+ "ext-ctype": "*",
+ "ext-date": "*",
+ "ext-dom": "*",
+ "ext-iconv": "*",
+ "ext-mbstring": "*",
+ "ext-pcre": "*",
+ "ext-simplexml": "*",
+ "ext-spl": "*",
+ "lib-libxml": ">=2.7.0",
+ "php": ">=5.5.0",
+ "psr/log": "^1.0",
+ "sabre/event": ">=2.0.0, <4.0.0",
+ "sabre/http": "^4.2.1",
+ "sabre/uri": "^1.0.1",
+ "sabre/vobject": "^4.1.0",
+ "sabre/xml": "^1.4.0"
+ },
+ "require-dev": {
+ "evert/phpdoc-md": "~0.1.0",
+ "monolog/monolog": "^1.18",
+ "phpunit/phpunit": "> 4.8, <=6.0.0",
+ "sabre/cs": "~0.0.5"
+ },
+ "suggest": {
+ "ext-curl": "*",
+ "ext-pdo": "*"
+ },
+ "bin": [
+ "bin/sabredav",
+ "bin/naturalselection"
+ ],
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "3.1.0-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Sabre\\DAV\\": "lib/DAV/",
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+ "time": "2017-01-08T20:47:33+00:00"
+ },
+ {
+ "name": "symfony/polyfill-mbstring",
+ "version": "v1.3.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/symfony/polyfill-mbstring.git",
+ "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/e79d363049d1c2128f133a2667e4f4190904f7f4",
+ "reference": "e79d363049d1c2128f133a2667e4f4190904f7f4",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.3"
+ },
+ "suggest": {
+ "ext-mbstring": "For best performance"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "1.3-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Symfony\\Polyfill\\Mbstring\\": ""
+ },
+ "files": [
+ "bootstrap.php"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Nicolas Grekas",
+ "email": "p@tchwork.com"
+ },
+ {
+ "name": "Symfony Community",
+ "homepage": "https://symfony.com/contributors"
+ }
+ ],
+ "description": "Symfony polyfill for the Mbstring extension",
+ "homepage": "https://symfony.com",
+ "keywords": [
+ "compatibility",
+ "mbstring",
+ "polyfill",
+ "portable",
+ "shim"
+ ],
+ "time": "2016-11-14T01:06:16+00:00"
+ },
+ {
+ "name": "symfony/translation",
+ "version": "v3.2.4",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/symfony/translation.git",
+ "reference": "d6825c6bb2f1da13f564678f9f236fe8242c0029"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/symfony/translation/zipball/d6825c6bb2f1da13f564678f9f236fe8242c0029",
+ "reference": "d6825c6bb2f1da13f564678f9f236fe8242c0029",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.5.9",
+ "symfony/polyfill-mbstring": "~1.0"
+ },
+ "conflict": {
+ "symfony/config": "<2.8"
+ },
+ "require-dev": {
+ "psr/log": "~1.0",
+ "symfony/config": "~2.8|~3.0",
+ "symfony/intl": "~2.8|~3.0",
+ "symfony/yaml": "~2.8|~3.0"
+ },
+ "suggest": {
+ "psr/log": "To use logging capability in translator",
+ "symfony/config": "",
+ "symfony/yaml": ""
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "3.2-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Symfony\\Component\\Translation\\": ""
+ },
+ "exclude-from-classmap": [
+ "/Tests/"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Fabien Potencier",
+ "email": "fabien@symfony.com"
+ },
+ {
+ "name": "Symfony Community",
+ "homepage": "https://symfony.com/contributors"
+ }
+ ],
+ "description": "Symfony Translation Component",
+ "homepage": "https://symfony.com",
+ "time": "2017-02-16T22:46:52+00:00"
+ },
+ {
+ "name": "symfony/yaml",
+ "version": "v3.2.4",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/symfony/yaml.git",
+ "reference": "9724c684646fcb5387d579b4bfaa63ee0b0c64c8"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/symfony/yaml/zipball/9724c684646fcb5387d579b4bfaa63ee0b0c64c8",
+ "reference": "9724c684646fcb5387d579b4bfaa63ee0b0c64c8",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.5.9"
+ },
+ "require-dev": {
+ "symfony/console": "~2.8|~3.0"
+ },
+ "suggest": {
+ "symfony/console": "For validating YAML files using the lint command"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "3.2-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Symfony\\Component\\Yaml\\": ""
+ },
+ "exclude-from-classmap": [
+ "/Tests/"
+ ]
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Fabien Potencier",
+ "email": "fabien@symfony.com"
+ },
+ {
+ "name": "Symfony Community",
+ "homepage": "https://symfony.com/contributors"
+ }
+ ],
+ "description": "Symfony Yaml Component",
+ "homepage": "https://symfony.com",
+ "time": "2017-02-16T22:46:52+00:00"
+ },
+ {
+ "name": "webmozart/assert",
+ "version": "1.2.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/webmozart/assert.git",
+ "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/webmozart/assert/zipball/2db61e59ff05fe5126d152bd0655c9ea113e550f",
+ "reference": "2db61e59ff05fe5126d152bd0655c9ea113e550f",
+ "shasum": ""
+ },
+ "require": {
+ "php": "^5.3.3 || ^7.0"
+ },
+ "require-dev": {
+ "phpunit/phpunit": "^4.6",
+ "sebastian/version": "^1.0.1"
+ },
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-master": "1.3-dev"
+ }
+ },
+ "autoload": {
+ "psr-4": {
+ "Webmozart\\Assert\\": "src/"
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "MIT"
+ ],
+ "authors": [
+ {
+ "name": "Bernhard Schussek",
+ "email": "bschussek@gmail.com"
+ }
+ ],
+ "description": "Assertions to validate method input/output with nice error messages.",
+ "keywords": [
+ "assert",
+ "check",
+ "validate"
+ ],
+ "time": "2016-11-23T20:04:58+00:00"
+ }
+ ],
+ "aliases": [],
+ "minimum-stability": "stable",
+ "stability-flags": {
+ "behat/behat": 0,
+ "behat/mink-extension": 0,
+ "behat/mink-goutte-driver": 0
+ },
+ "prefer-stable": false,
+ "prefer-lowest": false,
+ "platform": {
+ "php": ">=5.5",
+ "ext-curl": "*",
+ "ext-gd": "*",
+ "ext-mbstring": "*",
+ "ext-xml": "*",
+ "ext-openssl": "*"
+ },
+ "platform-dev": {
+ "php": ">=5.6"
+ }
+}
diff --git a/include/help.php b/include/help.php
index 6e779f000..e4725575d 100644
--- a/include/help.php
+++ b/include/help.php
@@ -1,5 +1,7 @@
<?php
+use \Michelf\MarkdownExtra;
+
/**
* @brief
*
@@ -15,7 +17,7 @@ function get_help_content($tocpath = false) {
$text = '';
$path = (($tocpath !== false) ? $tocpath : '');
-
+
if($tocpath === false && argc() > 1) {
$path = '';
for($x = 1; $x < argc(); $x ++) {
@@ -55,7 +57,7 @@ function get_help_content($tocpath = false) {
if(! $text) {
$doctype = 'bbcode';
$text = load_doc_file('doc/main.bb');
- goaway('/help/about/about_hubzilla');
+ goaway('/help/about/about_hubzilla');
\App::$page['title'] = t('Help');
}
@@ -69,12 +71,11 @@ function get_help_content($tocpath = false) {
}
if($doctype === 'html')
- $content = parseIdentityAwareHTML($text);
- if($doctype === 'markdown') {
- require_once('library/markdown.php');
+ $content = parseIdentityAwareHTML($text);
+ if($doctype === 'markdown') {
# escape #include tags
$text = preg_replace('/#include/ism', '%%include', $text);
- $content = Markdown($text);
+ $content = MarkdownExtra::defaultTransform($text);
$content = preg_replace('/%%include/ism', '#include', $content);
}
if($doctype === 'bbcode') {
@@ -99,8 +100,7 @@ function preg_callback_help_include($matches) {
$include = str_replace(' target="_blank"','',$include);
}
elseif(preg_match('/\.md$/', $matches[1])) {
- require_once('library/markdown.php');
- $include = Markdown($include);
+ $include = MarkdownExtra::defaultTransform($include);
}
return $include;
}
diff --git a/include/markdown.php b/include/markdown.php
index 7afdc6c54..43d973808 100644
--- a/include/markdown.php
+++ b/include/markdown.php
@@ -4,9 +4,10 @@
* @brief Some functions for BB conversions for Diaspora protocol.
*/
+use Michelf\MarkdownExtra;
+
require_once("include/oembed.php");
require_once("include/event.php");
-require_once("library/markdown.php");
require_once("include/html2bbcode.php");
require_once("include/bbcode.php");
require_once("library/markdownify/markdownify.php");
@@ -73,7 +74,7 @@ function bb_tag_preg_replace($pattern, $replace, $name, $s) {
function share_shield($m) {
return str_replace($m[1],'!=+=+=!' . base64url_encode($m[1]) . '=+!=+!=',$m[0]);
-}
+}
function share_unshield($m) {
$x = str_replace(array('!=+=+=!','=+!=+!='),array('',''),$m[1]);
@@ -184,7 +185,7 @@ function markdown_to_bb($s, $use_zrl = false) {
// This seems to work
$s = preg_replace('/\#([^\s\#])/','&#35;$1',$s);
- $s = Markdown($s);
+ $s = MarkdownExtra::defaultTransform($s);
$s = str_replace("\r","",$s);
@@ -299,7 +300,7 @@ function bb2dmention_callback($match) {
$r = q("select xchan_addr from xchan where xchan_url = '%s'",
dbesc($match[2])
- );
+ );
if($r)
return '@{' . $match[3] . ' ; ' . $r[0]['xchan_addr'] . '}';
@@ -333,7 +334,7 @@ function bb2diaspora_itemwallwall(&$item,$uplink = false) {
$has_meta = true;
if($item['author_xchan'] != $item['owner_xchan']) {
- if($item['mid'] == $item['parent_mid'])
+ if($item['mid'] == $item['parent_mid'])
$wallwall = true;
else {
if(! $has_meta) {
@@ -348,12 +349,12 @@ function bb2diaspora_itemwallwall(&$item,$uplink = false) {
if(($wallwall) && (is_array($item['author'])) && $item['author']['xchan_url'] && $item['author']['xchan_name'] && $item['author']['xchan_photo_s']) {
logger('bb2diaspora_itemwallwall: wall to wall post',LOGGER_DEBUG);
// post will come across with the owner's identity. Throw a preamble onto the post to indicate the true author.
- $item['body'] = "\n\n"
- . '[quote]'
- . '[img]' . $item['author']['xchan_photo_s'] . '[/img]'
- . ' '
- . '[url=' . $item['author']['xchan_url'] . '][b]' . $item['author']['xchan_name'] . '[/b][/url]' . "\n\n"
- . $item['body']
+ $item['body'] = "\n\n"
+ . '[quote]'
+ . '[img]' . $item['author']['xchan_photo_s'] . '[/img]'
+ . ' '
+ . '[url=' . $item['author']['xchan_url'] . '][b]' . $item['author']['xchan_name'] . '[/b][/url]' . "\n\n"
+ . $item['body']
. '[/quote]';
}
@@ -490,7 +491,7 @@ function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
// Convert it to HTML - don't try oembed
$Text = bbcode($Text, $preserve_nl, false);
- // Markdownify does not preserve previously escaped html entities such as <> and &.
+ // Markdownify does not preserve previously escaped html entities such as <> and &.
$Text = str_replace(array('&lt;','&gt;','&amp;'),array('&_lt_;','&_gt_;','&_amp_;'),$Text);
@@ -500,7 +501,7 @@ function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
- // It also adds backslashes to our attempt at getting around the html entity preservation for some weird reason.
+ // It also adds backslashes to our attempt at getting around the html entity preservation for some weird reason.
$Text = str_replace(array('&\\_lt\\_;','&\\_gt\\_;','&\\_amp\\_;'),array('&lt;','&gt;','&amp;'),$Text);
@@ -510,7 +511,7 @@ function bb2diaspora($Text,$preserve_nl = false, $fordiaspora = true) {
// So take off the angle brackets of any such URL
$Text = preg_replace("/<http(.*?)>/is", "http$1", $Text);
- // Remove empty zrl links
+ // Remove empty zrl links
$Text = preg_replace("/\[zrl\=\].*?\[\/zrl\]/is", "", $Text);
// Remove all unconverted tags
@@ -543,22 +544,22 @@ function format_event_diaspora($ev) {
$o .= '**' . (($ev['summary']) ? bb2diaspora($ev['summary']) : bb2diaspora($ev['desc'])) . '**' . "\n";
$o .= t('Starts:') . ' ' . '['
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
+ . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
+ : day_translate(datetime_convert('UTC', 'UTC',
$ev['start'] , $bd_format)))
. '](' . z_root() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['start'])) . ")\n";
if(! $ev['nofinish'])
- $o .= t('Finishes:') . ' ' . '['
- . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
+ $o .= t('Finishes:') . ' ' . '['
+ . (($ev['adjust']) ? day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format ))
- : day_translate(datetime_convert('UTC', 'UTC',
+ : day_translate(datetime_convert('UTC', 'UTC',
$ev['finish'] , $bd_format )))
. '](' . z_root() . '/localtime/?f=&time=' . urlencode(datetime_convert('UTC','UTC',$ev['finish'])) . ")\n";
if(strlen($ev['location']))
- $o .= t('Location:') . bb2diaspora($ev['location'])
+ $o .= t('Location:') . bb2diaspora($ev['location'])
. "\n";
$o .= "\n";
diff --git a/include/text.php b/include/text.php
index eb8147f9a..63248a0a6 100644
--- a/include/text.php
+++ b/include/text.php
@@ -3,8 +3,9 @@
* @file include/text.php
*/
-require_once("include/bbcode.php");
+use \Michelf\MarkdownExtra;
+require_once("include/bbcode.php");
// random string, there are 86 characters max in text mode, 128 for hex
// output is urlsafe
@@ -1650,8 +1651,7 @@ function prepare_text($text, $content_type = 'text/bbcode', $cache = false) {
break;
case 'text/markdown':
- require_once('library/markdown.php');
- $s = Markdown($text);
+ $s = MarkdownExtra::defaultTransform($text);
break;
case 'application/x-pdl';
@@ -2062,7 +2062,7 @@ function ids_to_array($arr,$idx = 'id') {
$t = array();
if($arr) {
foreach($arr as $x) {
- if(array_key_exists($idx,$x) && strlen($x[$idx]) && (! in_array($x[$idx],$t))) {
+ if(array_key_exists($idx,$x) && strlen($x[$idx]) && (! in_array($x[$idx],$t))) {
$t[] = $x[$idx];
}
}
@@ -2078,7 +2078,7 @@ function ids_to_querystr($arr,$idx = 'id',$quote = false) {
if($arr) {
foreach($arr as $x) {
if(! in_array($x[$idx],$t)) {
- if($quote)
+ if($quote)
$t[] = "'" . dbesc($x[$idx]) . "'";
else
$t[] = $x[$idx];
diff --git a/library/markdown.php b/library/markdown.php
deleted file mode 100644
index 0e3275ff2..000000000
--- a/library/markdown.php
+++ /dev/null
@@ -1,2932 +0,0 @@
-<?php
-#
-# Markdown Extra - A text-to-HTML conversion tool for web writers
-#
-# PHP Markdown & Extra
-# Copyright (c) 2004-2012 Michel Fortin
-# <http://michelf.com/projects/php-markdown/>
-#
-# Original Markdown
-# Copyright (c) 2004-2006 John Gruber
-# <http://daringfireball.net/projects/markdown/>
-#
-
-
-define( 'MARKDOWN_VERSION', "1.0.1o" ); # Sun 8 Jan 2012
-define( 'MARKDOWNEXTRA_VERSION', "1.2.5" ); # Sun 8 Jan 2012
-
-
-#
-# Global default settings:
-#
-
-# Change to ">" for HTML output
-@define( 'MARKDOWN_EMPTY_ELEMENT_SUFFIX', " />");
-
-# Define the width of a tab for code blocks.
-@define( 'MARKDOWN_TAB_WIDTH', 4 );
-
-# Optional title attribute for footnote links and backlinks.
-@define( 'MARKDOWN_FN_LINK_TITLE', "" );
-@define( 'MARKDOWN_FN_BACKLINK_TITLE', "" );
-
-# Optional class attribute for footnote links and backlinks.
-@define( 'MARKDOWN_FN_LINK_CLASS', "" );
-@define( 'MARKDOWN_FN_BACKLINK_CLASS', "" );
-
-
-#
-# WordPress settings:
-#
-
-# Change to false to remove Markdown from posts and/or comments.
-@define( 'MARKDOWN_WP_POSTS', true );
-@define( 'MARKDOWN_WP_COMMENTS', true );
-
-
-
-### Standard Function Interface ###
-
-@define( 'MARKDOWN_PARSER_CLASS', 'MarkdownExtra_Parser' );
-
-function Markdown($text) {
-#
-# Initialize the parser and return the result of its transform method.
-#
- # Setup static parser variable.
- static $parser;
- if (!isset($parser)) {
- $parser_class = MARKDOWN_PARSER_CLASS;
- $parser = new $parser_class;
- }
-
- # Transform text using parser.
- return $parser->transform($text);
-}
-
-
-### WordPress Plugin Interface ###
-
-/*
-Plugin Name: Markdown Extra
-Plugin URI: http://michelf.com/projects/php-markdown/
-Description: <a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://michelf.com/projects/php-markdown/">More...</a>
-Version: 1.2.5
-Author: Michel Fortin
-Author URI: http://michelf.com/
-*/
-
-if (isset($wp_version)) {
- # More details about how it works here:
- # <http://michelf.com/weblog/2005/wordpress-text-flow-vs-markdown/>
-
- # Post content and excerpts
- # - Remove WordPress paragraph generator.
- # - Run Markdown on excerpt, then remove all tags.
- # - Add paragraph tag around the excerpt, but remove it for the excerpt rss.
- if (MARKDOWN_WP_POSTS) {
- remove_filter('the_content', 'wpautop');
- remove_filter('the_content_rss', 'wpautop');
- remove_filter('the_excerpt', 'wpautop');
- add_filter('the_content', 'mdwp_MarkdownPost', 6);
- add_filter('the_content_rss', 'mdwp_MarkdownPost', 6);
- add_filter('get_the_excerpt', 'mdwp_MarkdownPost', 6);
- add_filter('get_the_excerpt', 'trim', 7);
- add_filter('the_excerpt', 'mdwp_add_p');
- add_filter('the_excerpt_rss', 'mdwp_strip_p');
-
- remove_filter('content_save_pre', 'balanceTags', 50);
- remove_filter('excerpt_save_pre', 'balanceTags', 50);
- add_filter('the_content', 'balanceTags', 50);
- add_filter('get_the_excerpt', 'balanceTags', 9);
- }
-
- # Add a footnote id prefix to posts when inside a loop.
- function mdwp_MarkdownPost($text) {
- static $parser;
- if (!$parser) {
- $parser_class = MARKDOWN_PARSER_CLASS;
- $parser = new $parser_class;
- }
- if (is_single() || is_page() || is_feed()) {
- $parser->fn_id_prefix = "";
- } else {
- $parser->fn_id_prefix = get_the_ID() . ".";
- }
- return $parser->transform($text);
- }
-
- # Comments
- # - Remove WordPress paragraph generator.
- # - Remove WordPress auto-link generator.
- # - Scramble important tags before passing them to the kses filter.
- # - Run Markdown on excerpt then remove paragraph tags.
- if (MARKDOWN_WP_COMMENTS) {
- remove_filter('comment_text', 'wpautop', 30);
- remove_filter('comment_text', 'make_clickable');
- add_filter('pre_comment_content', 'Markdown', 6);
- add_filter('pre_comment_content', 'mdwp_hide_tags', 8);
- add_filter('pre_comment_content', 'mdwp_show_tags', 12);
- add_filter('get_comment_text', 'Markdown', 6);
- add_filter('get_comment_excerpt', 'Markdown', 6);
- add_filter('get_comment_excerpt', 'mdwp_strip_p', 7);
-
- global $mdwp_hidden_tags, $mdwp_placeholders;
- $mdwp_hidden_tags = explode(' ',
- '<p> </p> <pre> </pre> <ol> </ol> <ul> </ul> <li> </li>');
- $mdwp_placeholders = explode(' ', str_rot13(
- 'pEj07ZbbBZ U1kqgh4w4p pre2zmeN6K QTi31t9pre ol0MP1jzJR '.
- 'ML5IjmbRol ulANi1NsGY J7zRLJqPul liA8ctl16T K9nhooUHli'));
- }
-
- function mdwp_add_p($text) {
- if (!preg_match('{^$|^<(p|ul|ol|dl|pre|blockquote)>}i', $text)) {
- $text = '<p>'.$text.'</p>';
- $text = preg_replace('{\n{2,}}', "</p>\n\n<p>", $text);
- }
- return $text;
- }
-
- function mdwp_strip_p($t) { return preg_replace('{</?p>}i', '', $t); }
-
- function mdwp_hide_tags($text) {
- global $mdwp_hidden_tags, $mdwp_placeholders;
- return str_replace($mdwp_hidden_tags, $mdwp_placeholders, $text);
- }
- function mdwp_show_tags($text) {
- global $mdwp_hidden_tags, $mdwp_placeholders;
- return str_replace($mdwp_placeholders, $mdwp_hidden_tags, $text);
- }
-}
-
-
-### bBlog Plugin Info ###
-
-function identify_modifier_markdown() {
- return array(
- 'name' => 'markdown',
- 'type' => 'modifier',
- 'nicename' => 'PHP Markdown Extra',
- 'description' => 'A text-to-HTML conversion tool for web writers',
- 'authors' => 'Michel Fortin and John Gruber',
- 'licence' => 'GPL',
- 'version' => MARKDOWNEXTRA_VERSION,
- 'help' => '<a href="http://daringfireball.net/projects/markdown/syntax">Markdown syntax</a> allows you to write using an easy-to-read, easy-to-write plain text format. Based on the original Perl version by <a href="http://daringfireball.net/">John Gruber</a>. <a href="http://michelf.com/projects/php-markdown/">More...</a>',
- );
-}
-
-
-### Smarty Modifier Interface ###
-
-function smarty_modifier_markdown($text) {
- return Markdown($text);
-}
-
-
-### Textile Compatibility Mode ###
-
-# Rename this file to "classTextile.php" and it can replace Textile everywhere.
-
-if (strcasecmp(substr(__FILE__, -16), "classTextile.php") == 0) {
- # Try to include PHP SmartyPants. Should be in the same directory.
- @include_once 'smartypants.php';
- # Fake Textile class. It calls Markdown instead.
- class Textile {
- function TextileThis($text, $lite='', $encode='') {
- if ($lite == '' && $encode == '') $text = Markdown($text);
- if (function_exists('SmartyPants')) $text = SmartyPants($text);
- return $text;
- }
- # Fake restricted version: restrictions are not supported for now.
- function TextileRestricted($text, $lite='', $noimage='') {
- return $this->TextileThis($text, $lite);
- }
- # Workaround to ensure compatibility with TextPattern 4.0.3.
- function blockLite($text) { return $text; }
- }
-}
-
-
-
-#
-# Markdown Parser Class
-#
-
-class Markdown_Parser {
-
- # Regex to match balanced [brackets].
- # Needed to insert a maximum bracked depth while converting to PHP.
- var $nested_brackets_depth = 6;
- var $nested_brackets_re;
-
- var $nested_url_parenthesis_depth = 4;
- var $nested_url_parenthesis_re;
-
- # Table of hash values for escaped characters:
- var $escape_chars = '\`*_{}[]()>#+-.!';
- var $escape_chars_re;
-
- # Change to ">" for HTML output.
- var $empty_element_suffix = MARKDOWN_EMPTY_ELEMENT_SUFFIX;
- var $tab_width = MARKDOWN_TAB_WIDTH;
-
- # Change to `true` to disallow markup or entities.
- var $no_markup = false;
- var $no_entities = false;
-
- # Predefined urls and titles for reference links and images.
- var $predef_urls = array();
- var $predef_titles = array();
-
-
- function Markdown_Parser() {
- #
- # Constructor function. Initialize appropriate member variables.
- #
- $this->_initDetab();
- $this->prepareItalicsAndBold();
-
- $this->nested_brackets_re =
- str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
- str_repeat('\])*', $this->nested_brackets_depth);
-
- $this->nested_url_parenthesis_re =
- str_repeat('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth).
- str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
-
- $this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
-
- # Sort document, block, and span gamut in ascendent priority order.
- asort($this->document_gamut);
- asort($this->block_gamut);
- asort($this->span_gamut);
- }
-
-
- # Internal hashes used during transformation.
- var $urls = array();
- var $titles = array();
- var $html_hashes = array();
-
- # Status flag to avoid invalid nesting.
- var $in_anchor = false;
-
-
- function setup() {
- #
- # Called before the transformation process starts to setup parser
- # states.
- #
- # Clear global hashes.
- $this->urls = $this->predef_urls;
- $this->titles = $this->predef_titles;
- $this->html_hashes = array();
-
- $in_anchor = false;
- }
-
- function teardown() {
- #
- # Called after the transformation process to clear any variable
- # which may be taking up memory unnecessarly.
- #
- $this->urls = array();
- $this->titles = array();
- $this->html_hashes = array();
- }
-
-
- function transform($text) {
- #
- # Main function. Performs some preprocessing on the input text
- # and pass it through the document gamut.
- #
- $this->setup();
-
- # Remove UTF-8 BOM and marker character in input, if present.
- $text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);
-
- # Standardize line endings:
- # DOS to Unix and Mac to Unix
- $text = preg_replace('{\r\n?}', "\n", $text);
-
- # Make sure $text ends with a couple of newlines:
- $text .= "\n\n";
-
- # Convert all tabs to spaces.
- $text = $this->detab($text);
-
- # Turn block-level HTML blocks into hash entries
- $text = $this->hashHTMLBlocks($text);
-
- # Strip any lines consisting only of spaces and tabs.
- # This makes subsequent regexen easier to write, because we can
- # match consecutive blank lines with /\n+/ instead of something
- # contorted like /[ ]*\n+/ .
- $text = preg_replace('/^[ ]+$/m', '', $text);
-
- # Run document gamut methods.
- foreach ($this->document_gamut as $method => $priority) {
- $text = $this->$method($text);
- }
-
- $this->teardown();
-
- return $text . "\n";
- }
-
- var $document_gamut = array(
- # Strip link definitions, store in hashes.
- "stripLinkDefinitions" => 20,
-
- "runBasicBlockGamut" => 30,
- );
-
-
- function stripLinkDefinitions($text) {
- #
- # Strips link definitions from text, stores the URLs and titles in
- # hash references.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # Link defs are in the form: ^[id]: url "optional title"
- $text = preg_replace_callback('{
- ^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?: # id = $1
- [ ]*
- \n? # maybe *one* newline
- [ ]*
- (?:
- <(.+?)> # url = $2
- |
- (\S+?) # url = $3
- )
- [ ]*
- \n? # maybe one newline
- [ ]*
- (?:
- (?<=\s) # lookbehind for whitespace
- ["(]
- (.*?) # title = $4
- [")]
- [ ]*
- )? # title is optional
- (?:\n+|\Z)
- }xm',
- array(&$this, '_stripLinkDefinitions_callback'),
- $text);
- return $text;
- }
- function _stripLinkDefinitions_callback($matches) {
- $link_id = strtolower($matches[1]);
- $url = $matches[2] == '' ? $matches[3] : $matches[2];
- $this->urls[$link_id] = $url;
- $this->titles[$link_id] =& $matches[4];
- return ''; # String that will replace the block
- }
-
-
- function hashHTMLBlocks($text) {
- if ($this->no_markup) return $text;
-
- $less_than_tab = $this->tab_width - 1;
-
- # Hashify HTML blocks:
- # We only want to do this for block-level HTML tags, such as headers,
- # lists, and tables. That's because we still want to wrap <p>s around
- # "paragraphs" that are wrapped in non-block-level tags, such as anchors,
- # phrase emphasis, and spans. The list of tags we're looking for is
- # hard-coded:
- #
- # * List "a" is made of tags which can be both inline or block-level.
- # These will be treated block-level when the start tag is alone on
- # its line, otherwise they're not matched here and will be taken as
- # inline later.
- # * List "b" is made of tags which are always block-level;
- #
- $block_tags_a_re = 'ins|del';
- $block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|'.
- 'script|noscript|form|fieldset|iframe|math';
-
- # Regular expression for the content of a block tag.
- $nested_tags_level = 4;
- $attr = '
- (?> # optional tag attributes
- \s # starts with whitespace
- (?>
- [^>"/]+ # text outside quotes
- |
- /+(?!>) # slash not followed by ">"
- |
- "[^"]*" # text inside double quotes (tolerate ">")
- |
- \'[^\']*\' # text inside single quotes (tolerate ">")
- )*
- )?
- ';
- $content =
- str_repeat('
- (?>
- [^<]+ # content without tag
- |
- <\2 # nested opening tag
- '.$attr.' # attributes
- (?>
- />
- |
- >', $nested_tags_level). # end of opening tag
- '.*?'. # last level nested tag content
- str_repeat('
- </\2\s*> # closing nested tag
- )
- |
- <(?!/\2\s*> # other tags with a different name
- )
- )*',
- $nested_tags_level);
- $content2 = str_replace('\2', '\3', $content);
-
- # First, look for nested blocks, e.g.:
- # <div>
- # <div>
- # tags for inner block must be indented.
- # </div>
- # </div>
- #
- # The outermost tags must start at the left margin for this to match, and
- # the inner nested divs must be indented.
- # We need to do this before the next, more liberal match, because the next
- # match will start at the first `<div>` and stop at the first `</div>`.
- $text = preg_replace_callback('{(?>
- (?>
- (?<=\n\n) # Starting after a blank line
- | # or
- \A\n? # the beginning of the doc
- )
- ( # save in $1
-
- # Match from `\n<tag>` to `</tag>\n`, handling nested tags
- # in between.
-
- [ ]{0,'.$less_than_tab.'}
- <('.$block_tags_b_re.')# start tag = $2
- '.$attr.'> # attributes followed by > and \n
- '.$content.' # content, support nesting
- </\2> # the matching end tag
- [ ]* # trailing spaces/tabs
- (?=\n+|\Z) # followed by a newline or end of document
-
- | # Special version for tags of group a.
-
- [ ]{0,'.$less_than_tab.'}
- <('.$block_tags_a_re.')# start tag = $3
- '.$attr.'>[ ]*\n # attributes followed by >
- '.$content2.' # content, support nesting
- </\3> # the matching end tag
- [ ]* # trailing spaces/tabs
- (?=\n+|\Z) # followed by a newline or end of document
-
- | # Special case just for <hr />. It was easier to make a special
- # case than to make the other regex more complicated.
-
- [ ]{0,'.$less_than_tab.'}
- <(hr) # start tag = $2
- '.$attr.' # attributes
- /?> # the matching end tag
- [ ]*
- (?=\n{2,}|\Z) # followed by a blank line or end of document
-
- | # Special case for standalone HTML comments:
-
- [ ]{0,'.$less_than_tab.'}
- (?s:
- <!-- .*? -->
- )
- [ ]*
- (?=\n{2,}|\Z) # followed by a blank line or end of document
-
- | # PHP and ASP-style processor instructions (<? and <%)
-
- [ ]{0,'.$less_than_tab.'}
- (?s:
- <([?%]) # $2
- .*?
- \2>
- )
- [ ]*
- (?=\n{2,}|\Z) # followed by a blank line or end of document
-
- )
- )}Sxmi',
- array(&$this, '_hashHTMLBlocks_callback'),
- $text);
-
- return $text;
- }
- function _hashHTMLBlocks_callback($matches) {
- $text = $matches[1];
- $key = $this->hashBlock($text);
- return "\n\n$key\n\n";
- }
-
-
- function hashPart($text, $boundary = 'X') {
- #
- # Called whenever a tag must be hashed when a function insert an atomic
- # element in the text stream. Passing $text to through this function gives
- # a unique text-token which will be reverted back when calling unhash.
- #
- # The $boundary argument specify what character should be used to surround
- # the token. By convension, "B" is used for block elements that needs not
- # to be wrapped into paragraph tags at the end, ":" is used for elements
- # that are word separators and "X" is used in the general case.
- #
- # Swap back any tag hash found in $text so we do not have to `unhash`
- # multiple times at the end.
- $text = $this->unhash($text);
-
- # Then hash the block.
- static $i = 0;
- $key = "$boundary\x1A" . ++$i . $boundary;
- $this->html_hashes[$key] = $text;
- return $key; # String that will replace the tag.
- }
-
-
- function hashBlock($text) {
- #
- # Shortcut function for hashPart with block-level boundaries.
- #
- return $this->hashPart($text, 'B');
- }
-
-
- var $block_gamut = array(
- #
- # These are all the transformations that form block-level
- # tags like paragraphs, headers, and list items.
- #
- "doHeaders" => 10,
- "doHorizontalRules" => 20,
-
- "doLists" => 40,
- "doCodeBlocks" => 50,
- "doBlockQuotes" => 60,
- );
-
- function runBlockGamut($text) {
- #
- # Run block gamut tranformations.
- #
- # We need to escape raw HTML in Markdown source before doing anything
- # else. This need to be done for each block, and not only at the
- # begining in the Markdown function since hashed blocks can be part of
- # list items and could have been indented. Indented blocks would have
- # been seen as a code block in a previous pass of hashHTMLBlocks.
- $text = $this->hashHTMLBlocks($text);
-
- return $this->runBasicBlockGamut($text);
- }
-
- function runBasicBlockGamut($text) {
- #
- # Run block gamut tranformations, without hashing HTML blocks. This is
- # useful when HTML blocks are known to be already hashed, like in the first
- # whole-document pass.
- #
- foreach ($this->block_gamut as $method => $priority) {
- $text = $this->$method($text);
- }
-
- # Finally form paragraph and restore hashed blocks.
- $text = $this->formParagraphs($text);
-
- return $text;
- }
-
-
- function doHorizontalRules($text) {
- # Do Horizontal Rules:
- return preg_replace(
- '{
- ^[ ]{0,3} # Leading space
- ([-*_]) # $1: First marker
- (?> # Repeated marker group
- [ ]{0,2} # Zero, one, or two spaces.
- \1 # Marker character
- ){2,} # Group repeated at least twice
- [ ]* # Tailing spaces
- $ # End of line.
- }mx',
- "\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n",
- $text);
- }
-
-
- var $span_gamut = array(
- #
- # These are all the transformations that occur *within* block-level
- # tags like paragraphs, headers, and list items.
- #
- # Process character escapes, code spans, and inline HTML
- # in one shot.
- "parseSpan" => -30,
-
- # Process anchor and image tags. Images must come first,
- # because ![foo][f] looks like an anchor.
- "doImages" => 10,
- "doAnchors" => 20,
-
- # Make links out of things like `<http://example.com/>`
- # Must come after doAnchors, because you can use < and >
- # delimiters in inline links like [this](<url>).
- "doAutoLinks" => 30,
- "encodeAmpsAndAngles" => 40,
-
- "doItalicsAndBold" => 50,
- "doHardBreaks" => 60,
- );
-
- function runSpanGamut($text) {
- #
- # Run span gamut tranformations.
- #
- foreach ($this->span_gamut as $method => $priority) {
- $text = $this->$method($text);
- }
-
- return $text;
- }
-
-
- function doHardBreaks($text) {
- # Do hard breaks:
- return preg_replace_callback('/ {2,}\n/',
- array(&$this, '_doHardBreaks_callback'), $text);
- }
- function _doHardBreaks_callback($matches) {
- return $this->hashPart("<br$this->empty_element_suffix\n");
- }
-
-
- function doAnchors($text) {
- #
- # Turn Markdown link shortcuts into XHTML <a> tags.
- #
- if ($this->in_anchor) return $text;
- $this->in_anchor = true;
-
- #
- # First, handle reference-style links: [link text] [id]
- #
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- ('.$this->nested_brackets_re.') # link text = $2
- \]
-
- [ ]? # one optional space
- (?:\n[ ]*)? # one optional newline followed by spaces
-
- \[
- (.*?) # id = $3
- \]
- )
- }xs',
- array(&$this, '_doAnchors_reference_callback'), $text);
-
- #
- # Next, inline-style links: [link text](url "optional title")
- #
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- ('.$this->nested_brackets_re.') # link text = $2
- \]
- \( # literal paren
- [ \n]*
- (?:
- <(.+?)> # href = $3
- |
- ('.$this->nested_url_parenthesis_re.') # href = $4
- )
- [ \n]*
- ( # $5
- ([\'"]) # quote char = $6
- (.*?) # Title = $7
- \6 # matching quote
- [ \n]* # ignore any spaces/tabs between closing quote and )
- )? # title is optional
- \)
- )
- }xs',
- array(&$this, '_doAnchors_inline_callback'), $text);
-
- #
- # Last, handle reference-style shortcuts: [link text]
- # These must come last in case you've also got [link text][1]
- # or [link text](/foo)
- #
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- \[
- ([^\[\]]+) # link text = $2; can\'t contain [ or ]
- \]
- )
- }xs',
- array(&$this, '_doAnchors_reference_callback'), $text);
-
- $this->in_anchor = false;
- return $text;
- }
- function _doAnchors_reference_callback($matches) {
- $whole_match = $matches[1];
- $link_text = $matches[2];
- $link_id =& $matches[3];
-
- if ($link_id == "") {
- # for shortcut links like [this][] or [this].
- $link_id = $link_text;
- }
-
- # lower-case and turn embedded newlines into spaces
- $link_id = strtolower($link_id);
- $link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
-
- if (isset($this->urls[$link_id])) {
- $url = $this->urls[$link_id];
- $url = $this->encodeAttribute($url);
-
- $result = "<a href=\"$url\"";
- if ( isset( $this->titles[$link_id] ) ) {
- $title = $this->titles[$link_id];
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
-
- $link_text = $this->runSpanGamut($link_text);
- $result .= ">$link_text</a>";
- $result = $this->hashPart($result);
- }
- else {
- $result = $whole_match;
- }
- return $result;
- }
- function _doAnchors_inline_callback($matches) {
- $whole_match = $matches[1];
- $link_text = $this->runSpanGamut($matches[2]);
- $url = $matches[3] == '' ? $matches[4] : $matches[3];
- $title =& $matches[7];
-
- $url = $this->encodeAttribute($url);
-
- $result = "<a href=\"$url\"";
- if (isset($title)) {
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
-
- $link_text = $this->runSpanGamut($link_text);
- $result .= ">$link_text</a>";
-
- return $this->hashPart($result);
- }
-
-
- function doImages($text) {
- #
- # Turn Markdown image shortcuts into <img> tags.
- #
- #
- # First, handle reference-style labeled images: ![alt text][id]
- #
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- !\[
- ('.$this->nested_brackets_re.') # alt text = $2
- \]
-
- [ ]? # one optional space
- (?:\n[ ]*)? # one optional newline followed by spaces
-
- \[
- (.*?) # id = $3
- \]
-
- )
- }xs',
- array(&$this, '_doImages_reference_callback'), $text);
-
- #
- # Next, handle inline images: ![alt text](url "optional title")
- # Don't forget: encode * and _
- #
- $text = preg_replace_callback('{
- ( # wrap whole match in $1
- !\[
- ('.$this->nested_brackets_re.') # alt text = $2
- \]
- \s? # One optional whitespace character
- \( # literal paren
- [ \n]*
- (?:
- <(\S*)> # src url = $3
- |
- ('.$this->nested_url_parenthesis_re.') # src url = $4
- )
- [ \n]*
- ( # $5
- ([\'"]) # quote char = $6
- (.*?) # title = $7
- \6 # matching quote
- [ \n]*
- )? # title is optional
- \)
- )
- }xs',
- array(&$this, '_doImages_inline_callback'), $text);
-
- return $text;
- }
- function _doImages_reference_callback($matches) {
- $whole_match = $matches[1];
- $alt_text = $matches[2];
- $link_id = strtolower($matches[3]);
-
- if ($link_id == "") {
- $link_id = strtolower($alt_text); # for shortcut links like ![this][].
- }
-
- $alt_text = $this->encodeAttribute($alt_text);
- if (isset($this->urls[$link_id])) {
- $url = $this->encodeAttribute($this->urls[$link_id]);
- $result = "<img src=\"$url\" alt=\"$alt_text\"";
- if (isset($this->titles[$link_id])) {
- $title = $this->titles[$link_id];
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\"";
- }
- $result .= $this->empty_element_suffix;
- $result = $this->hashPart($result);
- }
- else {
- # If there's no such link ID, leave intact:
- $result = $whole_match;
- }
-
- return $result;
- }
- function _doImages_inline_callback($matches) {
- $whole_match = $matches[1];
- $alt_text = $matches[2];
- $url = $matches[3] == '' ? $matches[4] : $matches[3];
- $title =& $matches[7];
-
- $alt_text = $this->encodeAttribute($alt_text);
- $url = $this->encodeAttribute($url);
- $result = "<img src=\"$url\" alt=\"$alt_text\"";
- if (isset($title)) {
- $title = $this->encodeAttribute($title);
- $result .= " title=\"$title\""; # $title already quoted
- }
- $result .= $this->empty_element_suffix;
-
- return $this->hashPart($result);
- }
-
-
- function doHeaders($text) {
- # Setext-style headers:
- # Header 1
- # ========
- #
- # Header 2
- # --------
- #
- $text = preg_replace_callback('{ ^(.+?)[ ]*\n(=+|-+)[ ]*\n+ }mx',
- array(&$this, '_doHeaders_callback_setext'), $text);
-
- # atx-style headers:
- # # Header 1
- # ## Header 2
- # ## Header 2 with closing hashes ##
- # ...
- # ###### Header 6
- #
- $text = preg_replace_callback('{
- ^(\#{1,6}) # $1 = string of #\'s
- [ ]*
- (.+?) # $2 = Header text
- [ ]*
- \#* # optional closing #\'s (not counted)
- \n+
- }xm',
- array(&$this, '_doHeaders_callback_atx'), $text);
-
- return $text;
- }
- function _doHeaders_callback_setext($matches) {
- # Terrible hack to check we haven't found an empty list item.
- if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1]))
- return $matches[0];
-
- $level = $matches[2]{0} == '=' ? 1 : 2;
- $block = "<h$level>".$this->runSpanGamut($matches[1])."</h$level>";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
- function _doHeaders_callback_atx($matches) {
- $level = strlen($matches[1]);
- $block = "<h$level>".$this->runSpanGamut($matches[2])."</h$level>";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
-
-
- function doLists($text) {
- #
- # Form HTML ordered (numbered) and unordered (bulleted) lists.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # Re-usable patterns to match list item bullets and number markers:
- $marker_ul_re = '[*+-]';
- $marker_ol_re = '\d+[\.]';
- $marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-
- $markers_relist = array(
- $marker_ul_re => $marker_ol_re,
- $marker_ol_re => $marker_ul_re,
- );
-
- foreach ($markers_relist as $marker_re => $other_marker_re) {
- # Re-usable pattern to match any entirel ul or ol list:
- $whole_list_re = '
- ( # $1 = whole list
- ( # $2
- ([ ]{0,'.$less_than_tab.'}) # $3 = number of spaces
- ('.$marker_re.') # $4 = first list item marker
- [ ]+
- )
- (?s:.+?)
- ( # $5
- \z
- |
- \n{2,}
- (?=\S)
- (?! # Negative lookahead for another list item marker
- [ ]*
- '.$marker_re.'[ ]+
- )
- |
- (?= # Lookahead for another kind of list
- \n
- \3 # Must have the same indentation
- '.$other_marker_re.'[ ]+
- )
- )
- )
- '; // mx
-
- # We use a different prefix before nested lists than top-level lists.
- # See extended comment in _ProcessListItems().
-
- if ($this->list_level) {
- $text = preg_replace_callback('{
- ^
- '.$whole_list_re.'
- }mx',
- array(&$this, '_doLists_callback'), $text);
- }
- else {
- $text = preg_replace_callback('{
- (?:(?<=\n)\n|\A\n?) # Must eat the newline
- '.$whole_list_re.'
- }mx',
- array(&$this, '_doLists_callback'), $text);
- }
- }
-
- return $text;
- }
- function _doLists_callback($matches) {
- # Re-usable patterns to match list item bullets and number markers:
- $marker_ul_re = '[*+-]';
- $marker_ol_re = '\d+[\.]';
- $marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
-
- $list = $matches[1];
- $list_type = preg_match("/$marker_ul_re/", $matches[4]) ? "ul" : "ol";
-
- $marker_any_re = ( $list_type == "ul" ? $marker_ul_re : $marker_ol_re );
-
- $list .= "\n";
- $result = $this->processListItems($list, $marker_any_re);
-
- $result = $this->hashBlock("<$list_type>\n" . $result . "</$list_type>");
- return "\n". $result ."\n\n";
- }
-
- var $list_level = 0;
-
- function processListItems($list_str, $marker_any_re) {
- #
- # Process the contents of a single ordered or unordered list, splitting it
- # into individual list items.
- #
- # The $this->list_level global keeps track of when we're inside a list.
- # Each time we enter a list, we increment it; when we leave a list,
- # we decrement. If it's zero, we're not in a list anymore.
- #
- # We do this because when we're not inside a list, we want to treat
- # something like this:
- #
- # I recommend upgrading to version
- # 8. Oops, now this line is treated
- # as a sub-list.
- #
- # As a single paragraph, despite the fact that the second line starts
- # with a digit-period-space sequence.
- #
- # Whereas when we're inside a list (or sub-list), that line will be
- # treated as the start of a sub-list. What a kludge, huh? This is
- # an aspect of Markdown's syntax that's hard to parse perfectly
- # without resorting to mind-reading. Perhaps the solution is to
- # change the syntax rules such that sub-lists must start with a
- # starting cardinal number; e.g. "1." or "a.".
-
- $this->list_level++;
-
- # trim trailing blank lines:
- $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
- $list_str = preg_replace_callback('{
- (\n)? # leading line = $1
- (^[ ]*) # leading whitespace = $2
- ('.$marker_any_re.' # list marker and space = $3
- (?:[ ]+|(?=\n)) # space only required if item is not empty
- )
- ((?s:.*?)) # list item text = $4
- (?:(\n+(?=\n))|\n) # tailing blank line = $5
- (?= \n* (\z | \2 ('.$marker_any_re.') (?:[ ]+|(?=\n))))
- }xm',
- array(&$this, '_processListItems_callback'), $list_str);
-
- $this->list_level--;
- return $list_str;
- }
- function _processListItems_callback($matches) {
- $item = $matches[4];
- $leading_line =& $matches[1];
- $leading_space =& $matches[2];
- $marker_space = $matches[3];
- $tailing_blank_line =& $matches[5];
-
- if ($leading_line || $tailing_blank_line ||
- preg_match('/\n{2,}/', $item))
- {
- # Replace marker with the appropriate whitespace indentation
- $item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
- $item = $this->runBlockGamut($this->outdent($item)."\n");
- }
- else {
- # Recursion for sub-lists:
- $item = $this->doLists($this->outdent($item));
- $item = preg_replace('/\n+$/', '', $item);
- $item = $this->runSpanGamut($item);
- }
-
- return "<li>" . $item . "</li>\n";
- }
-
-
- function doCodeBlocks($text) {
- #
- # Process Markdown `<pre><code>` blocks.
- #
- $text = preg_replace_callback('{
- (?:\n\n|\A\n?)
- ( # $1 = the code block -- one or more lines, starting with a space/tab
- (?>
- [ ]{'.$this->tab_width.'} # Lines must start with a tab or a tab-width of spaces
- .*\n+
- )+
- )
- ((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc
- }xm',
- array(&$this, '_doCodeBlocks_callback'), $text);
-
- return $text;
- }
- function _doCodeBlocks_callback($matches) {
- $codeblock = $matches[1];
-
- $codeblock = $this->outdent($codeblock);
- $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
-
- # trim leading newlines and trailing newlines
- $codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
-
- $codeblock = "<pre><code>$codeblock\n</code></pre>";
- return "\n\n".$this->hashBlock($codeblock)."\n\n";
- }
-
-
- function makeCodeSpan($code) {
- #
- # Create a code span markup for $code. Called from handleSpanToken.
- #
- $code = htmlspecialchars(trim($code), ENT_NOQUOTES);
- return $this->hashPart("<code class=\"inline-code\">$code</code>");
- }
-
-
- var $em_relist = array(
- '' => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?=\S|$)(?![\.,:;]\s)',
- '*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
- '_' => '(?<=\S|^)(?<!_)_(?!_)',
- );
- var $strong_relist = array(
- '' => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?=\S|$)(?![\.,:;]\s)',
- '**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
- '__' => '(?<=\S|^)(?<!_)__(?!_)',
- );
- var $em_strong_relist = array(
- '' => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?=\S|$)(?![\.,:;]\s)',
- '***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
- '___' => '(?<=\S|^)(?<!_)___(?!_)',
- );
- var $em_strong_prepared_relist;
-
- function prepareItalicsAndBold() {
- #
- # Prepare regular expressions for searching emphasis tokens in any
- # context.
- #
- foreach ($this->em_relist as $em => $em_re) {
- foreach ($this->strong_relist as $strong => $strong_re) {
- # Construct list of allowed token expressions.
- $token_relist = array();
- if (isset($this->em_strong_relist["$em$strong"])) {
- $token_relist[] = $this->em_strong_relist["$em$strong"];
- }
- $token_relist[] = $em_re;
- $token_relist[] = $strong_re;
-
- # Construct master expression from list.
- $token_re = '{('. implode('|', $token_relist) .')}';
- $this->em_strong_prepared_relist["$em$strong"] = $token_re;
- }
- }
- }
-
- function doItalicsAndBold($text) {
- $token_stack = array('');
- $text_stack = array('');
- $em = '';
- $strong = '';
- $tree_char_em = false;
-
- while (1) {
- #
- # Get prepared regular expression for seraching emphasis tokens
- # in current context.
- #
- $token_re = $this->em_strong_prepared_relist["$em$strong"];
-
- #
- # Each loop iteration search for the next emphasis token.
- # Each token is then passed to handleSpanToken.
- #
- $parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
- $text_stack[0] .= $parts[0];
- $token =& $parts[1];
- $text =& $parts[2];
-
- if (empty($token)) {
- # Reached end of text span: empty stack without emitting.
- # any more emphasis.
- while ($token_stack[0]) {
- $text_stack[1] .= array_shift($token_stack);
- $text_stack[0] .= array_shift($text_stack);
- }
- break;
- }
-
- $token_len = strlen($token);
- if ($tree_char_em) {
- # Reached closing marker while inside a three-char emphasis.
- if ($token_len == 3) {
- # Three-char closing marker, close em and strong.
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "<strong><em>$span</em></strong>";
- $text_stack[0] .= $this->hashPart($span);
- $em = '';
- $strong = '';
- } else {
- # Other closing marker: close one em or strong and
- # change current token state to match the other
- $token_stack[0] = str_repeat($token{0}, 3-$token_len);
- $tag = $token_len == 2 ? "strong" : "em";
- $span = $text_stack[0];
- $span = $this->runSpanGamut($span);
- $span = "<$tag>$span</$tag>";
- $text_stack[0] = $this->hashPart($span);
- $$tag = ''; # $$tag stands for $em or $strong
- }
- $tree_char_em = false;
- } else if ($token_len == 3) {
- if ($em) {
- # Reached closing marker for both em and strong.
- # Closing strong marker:
- for ($i = 0; $i < 2; ++$i) {
- $shifted_token = array_shift($token_stack);
- $tag = strlen($shifted_token) == 2 ? "strong" : "em";
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "<$tag>$span</$tag>";
- $text_stack[0] .= $this->hashPart($span);
- $$tag = ''; # $$tag stands for $em or $strong
- }
- } else {
- # Reached opening three-char emphasis marker. Push on token
- # stack; will be handled by the special condition above.
- $em = $token{0};
- $strong = "$em$em";
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $tree_char_em = true;
- }
- } else if ($token_len == 2) {
- if ($strong) {
- # Unwind any dangling emphasis marker:
- if (strlen($token_stack[0]) == 1) {
- $text_stack[1] .= array_shift($token_stack);
- $text_stack[0] .= array_shift($text_stack);
- }
- # Closing strong marker:
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "<strong>$span</strong>";
- $text_stack[0] .= $this->hashPart($span);
- $strong = '';
- } else {
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $strong = $token;
- }
- } else {
- # Here $token_len == 1
- if ($em) {
- if (strlen($token_stack[0]) == 1) {
- # Closing emphasis marker:
- array_shift($token_stack);
- $span = array_shift($text_stack);
- $span = $this->runSpanGamut($span);
- $span = "<em>$span</em>";
- $text_stack[0] .= $this->hashPart($span);
- $em = '';
- } else {
- $text_stack[0] .= $token;
- }
- } else {
- array_unshift($token_stack, $token);
- array_unshift($text_stack, '');
- $em = $token;
- }
- }
- }
- return $text_stack[0];
- }
-
-
- function doBlockQuotes($text) {
- $text = preg_replace_callback('/
- ( # Wrap whole match in $1
- (?>
- ^[ ]*>[ ]? # ">" at the start of a line
- .+\n # rest of the first line
- (.+\n)* # subsequent consecutive lines
- \n* # blanks
- )+
- )
- /xm',
- array(&$this, '_doBlockQuotes_callback'), $text);
-
- return $text;
- }
- function _doBlockQuotes_callback($matches) {
- $bq = $matches[1];
- # trim one level of quoting - trim whitespace-only lines
- $bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
- $bq = $this->runBlockGamut($bq); # recurse
-
- $bq = preg_replace('/^/m', " ", $bq);
- # These leading spaces cause problem with <pre> content,
- # so we need to fix that:
- $bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx',
- array(&$this, '_doBlockQuotes_callback2'), $bq);
-
- return "\n". $this->hashBlock("<blockquote>\n$bq\n</blockquote>")."\n\n";
- }
- function _doBlockQuotes_callback2($matches) {
- $pre = $matches[1];
- $pre = preg_replace('/^ /m', '', $pre);
- return $pre;
- }
-
-
- function formParagraphs($text) {
- #
- # Params:
- # $text - string to process with html <p> tags
- #
- # Strip leading and trailing lines:
- $text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
- $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
- #
- # Wrap <p> tags and unhashify HTML blocks
- #
- foreach ($grafs as $key => $value) {
- if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
- # Is a paragraph.
- $value = $this->runSpanGamut($value);
- $value = preg_replace('/^([ ]*)/', "<p>", $value);
- $value .= "</p>";
- $grafs[$key] = $this->unhash($value);
- }
- else {
- # Is a block.
- # Modify elements of @grafs in-place...
- $graf = $value;
- $block = $this->html_hashes[$graf];
- $graf = $block;
-// if (preg_match('{
-// \A
-// ( # $1 = <div> tag
-// <div \s+
-// [^>]*
-// \b
-// markdown\s*=\s* ([\'"]) # $2 = attr quote char
-// 1
-// \2
-// [^>]*
-// >
-// )
-// ( # $3 = contents
-// .*
-// )
-// (</div>) # $4 = closing tag
-// \z
-// }xs', $block, $matches))
-// {
-// list(, $div_open, , $div_content, $div_close) = $matches;
-//
-// # We can't call Markdown(), because that resets the hash;
-// # that initialization code should be pulled into its own sub, though.
-// $div_content = $this->hashHTMLBlocks($div_content);
-//
-// # Run document gamut methods on the content.
-// foreach ($this->document_gamut as $method => $priority) {
-// $div_content = $this->$method($div_content);
-// }
-//
-// $div_open = preg_replace(
-// '{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
-//
-// $graf = $div_open . "\n" . $div_content . "\n" . $div_close;
-// }
- $grafs[$key] = $graf;
- }
- }
-
- return implode("\n\n", $grafs);
- }
-
-
- function encodeAttribute($text) {
- #
- # Encode text for a double-quoted HTML attribute. This function
- # is *not* suitable for attributes enclosed in single quotes.
- #
- $text = $this->encodeAmpsAndAngles($text);
- $text = str_replace('"', '&quot;', $text);
- return $text;
- }
-
-
- function encodeAmpsAndAngles($text) {
- #
- # Smart processing for ampersands and angle brackets that need to
- # be encoded. Valid character entities are left alone unless the
- # no-entities mode is set.
- #
- if ($this->no_entities) {
- $text = str_replace('&', '&amp;', $text);
- } else {
- # Ampersand-encoding based entirely on Nat Irons's Amputator
- # MT plugin: <http://bumppo.net/projects/amputator/>
- $text = preg_replace('/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/',
- '&amp;', $text);;
- }
- # Encode remaining <'s
- $text = str_replace('<', '&lt;', $text);
-
- return $text;
- }
-
-
- function doAutoLinks($text) {
- $text = preg_replace_callback('{<((https?|ftp|dict):[^\'">\s]+)>}i',
- array(&$this, '_doAutoLinks_url_callback'), $text);
-
- # Email addresses: <address@domain.foo>
- $text = preg_replace_callback('{
- <
- (?:mailto:)?
- (
- (?:
- [-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
- |
- ".*?"
- )
- \@
- (?:
- [-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
- |
- \[[\d.a-fA-F:]+\] # IPv4 & IPv6
- )
- )
- >
- }xi',
- array(&$this, '_doAutoLinks_email_callback'), $text);
-
- return $text;
- }
- function _doAutoLinks_url_callback($matches) {
- $url = $this->encodeAttribute($matches[1]);
- $link = "<a href=\"$url\">$url</a>";
- return $this->hashPart($link);
- }
- function _doAutoLinks_email_callback($matches) {
- $address = $matches[1];
- $link = $this->encodeEmailAddress($address);
- return $this->hashPart($link);
- }
-
-
- function encodeEmailAddress($addr) {
- #
- # Input: an email address, e.g. "foo@example.com"
- #
- # Output: the email address as a mailto link, with each character
- # of the address encoded as either a decimal or hex entity, in
- # the hopes of foiling most address harvesting spam bots. E.g.:
- #
- # <p><a href="&#109;&#x61;&#105;&#x6c;&#116;&#x6f;&#58;&#x66;o&#111;
- # &#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;&#101;&#46;&#x63;&#111;
- # &#x6d;">&#x66;o&#111;&#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;
- # &#101;&#46;&#x63;&#111;&#x6d;</a></p>
- #
- # Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
- # With some optimizations by Milian Wolff.
- #
- $addr = "mailto:" . $addr;
- $chars = preg_split('/(?<!^)(?!$)/', $addr);
- $seed = (int)abs(crc32($addr) / strlen($addr)); # Deterministic seed.
-
- foreach ($chars as $key => $char) {
- $ord = ord($char);
- # Ignore non-ascii chars.
- if ($ord < 128) {
- $r = ($seed * (1 + $key)) % 100; # Pseudo-random function.
- # roughly 10% raw, 45% hex, 45% dec
- # '@' *must* be encoded. I insist.
- if ($r > 90 && $char != '@') /* do nothing */;
- else if ($r < 45) $chars[$key] = '&#x'.dechex($ord).';';
- else $chars[$key] = '&#'.$ord.';';
- }
- }
-
- $addr = implode('', $chars);
- $text = implode('', array_slice($chars, 7)); # text without `mailto:`
- $addr = "<a href=\"$addr\">$text</a>";
-
- return $addr;
- }
-
-
- function parseSpan($str) {
- #
- # Take the string $str and parse it into tokens, hashing embeded HTML,
- # escaped characters and handling code spans.
- #
- $output = '';
-
- $span_re = '{
- (
- \\\\'.$this->escape_chars_re.'
- |
- (?<![`\\\\])
- `+ # code span marker
- '.( $this->no_markup ? '' : '
- |
- <!-- .*? --> # comment
- |
- <\?.*?\?> | <%.*?%> # processing instruction
- |
- <[/!$]?[-a-zA-Z0-9:_]+ # regular tags
- (?>
- \s
- (?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
- )?
- >
- ').'
- )
- }xs';
-
- while (1) {
- #
- # Each loop iteration seach for either the next tag, the next
- # openning code span marker, or the next escaped character.
- # Each token is then passed to handleSpanToken.
- #
- $parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
-
- # Create token from text preceding tag.
- if ($parts[0] != "") {
- $output .= $parts[0];
- }
-
- # Check if we reach the end.
- if (isset($parts[1])) {
- $output .= $this->handleSpanToken($parts[1], $parts[2]);
- $str = $parts[2];
- }
- else {
- break;
- }
- }
-
- return $output;
- }
-
-
- function handleSpanToken($token, &$str) {
- #
- # Handle $token provided by parseSpan by determining its nature and
- # returning the corresponding value that should replace it.
- #
- switch ($token{0}) {
- case "\\":
- return $this->hashPart("&#". ord($token{1}). ";");
- case "`":
- # Search for end marker in remaining text.
- if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm',
- $str, $matches))
- {
- $str = $matches[2];
- $codespan = $this->makeCodeSpan($matches[1]);
- return $this->hashPart($codespan);
- }
- return $token; // return as text since no ending marker found.
- default:
- return $this->hashPart($token);
- }
- }
-
-
- function outdent($text) {
- #
- # Remove one level of line-leading tabs or spaces
- #
- return preg_replace('/^(\t|[ ]{1,'.$this->tab_width.'})/m', '', $text);
- }
-
-
- # String length function for detab. `_initDetab` will create a function to
- # hanlde UTF-8 if the default function does not exist.
- var $utf8_strlen = 'mb_strlen';
-
- function detab($text) {
- #
- # Replace tabs with the appropriate amount of space.
- #
- # For each line we separate the line in blocks delemited by
- # tab characters. Then we reconstruct every line by adding the
- # appropriate number of space between each blocks.
-
- $text = preg_replace_callback('/^.*\t.*$/m',
- array(&$this, '_detab_callback'), $text);
-
- return $text;
- }
- function _detab_callback($matches) {
- $line = $matches[0];
- $strlen = $this->utf8_strlen; # strlen function for UTF-8.
-
- # Split in blocks.
- $blocks = explode("\t", $line);
- # Add each blocks to the line.
- $line = $blocks[0];
- unset($blocks[0]); # Do not add first block twice.
- foreach ($blocks as $block) {
- # Calculate amount of space, insert spaces, insert block.
- $amount = $this->tab_width -
- $strlen($line, 'UTF-8') % $this->tab_width;
- $line .= str_repeat(" ", $amount) . $block;
- }
- return $line;
- }
- function _initDetab() {
- #
- # Check for the availability of the function in the `utf8_strlen` property
- # (initially `mb_strlen`). If the function is not available, create a
- # function that will loosely count the number of UTF-8 characters with a
- # regular expression.
- #
- if (function_exists($this->utf8_strlen)) return;
- $this->utf8_strlen = create_function('$text', 'return preg_match_all(
- "/[\\\\x00-\\\\xBF]|[\\\\xC0-\\\\xFF][\\\\x80-\\\\xBF]*/",
- $text, $m);');
- }
-
-
- function unhash($text) {
- #
- # Swap back in all the tags hashed by _HashHTMLBlocks.
- #
- return preg_replace_callback('/(.)\x1A[0-9]+\1/',
- array(&$this, '_unhash_callback'), $text);
- }
- function _unhash_callback($matches) {
- return $this->html_hashes[$matches[0]];
- }
-
-}
-
-
-#
-# Markdown Extra Parser Class
-#
-
-class MarkdownExtra_Parser extends Markdown_Parser {
-
- # Prefix for footnote ids.
- var $fn_id_prefix = "";
-
- # Optional title attribute for footnote links and backlinks.
- var $fn_link_title = MARKDOWN_FN_LINK_TITLE;
- var $fn_backlink_title = MARKDOWN_FN_BACKLINK_TITLE;
-
- # Optional class attribute for footnote links and backlinks.
- var $fn_link_class = MARKDOWN_FN_LINK_CLASS;
- var $fn_backlink_class = MARKDOWN_FN_BACKLINK_CLASS;
-
- # Predefined abbreviations.
- var $predef_abbr = array();
-
-
- function MarkdownExtra_Parser() {
- #
- # Constructor function. Initialize the parser object.
- #
- # Add extra escapable characters before parent constructor
- # initialize the table.
- $this->escape_chars .= ':|';
-
- # Insert extra document, block, and span transformations.
- # Parent constructor will do the sorting.
- $this->document_gamut += array(
- "doFencedCodeBlocks" => 5,
- "stripFootnotes" => 15,
- "stripAbbreviations" => 25,
- "appendFootnotes" => 50,
- );
- $this->block_gamut += array(
- "doFencedCodeBlocks" => 5,
- "doTables" => 15,
- "doDefLists" => 45,
- );
- $this->span_gamut += array(
- "doFootnotes" => 5,
- "doAbbreviations" => 70,
- );
-
- parent::Markdown_Parser();
- }
-
-
- # Extra variables used during extra transformations.
- var $footnotes = array();
- var $footnotes_ordered = array();
- var $abbr_desciptions = array();
- var $abbr_word_re = '';
-
- # Give the current footnote number.
- var $footnote_counter = 1;
-
-
- function setup() {
- #
- # Setting up Extra-specific variables.
- #
- parent::setup();
-
- $this->footnotes = array();
- $this->footnotes_ordered = array();
- $this->abbr_desciptions = array();
- $this->abbr_word_re = '';
- $this->footnote_counter = 1;
-
- foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
- if ($this->abbr_word_re)
- $this->abbr_word_re .= '|';
- $this->abbr_word_re .= preg_quote($abbr_word);
- $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
- }
- }
-
- function teardown() {
- #
- # Clearing Extra-specific variables.
- #
- $this->footnotes = array();
- $this->footnotes_ordered = array();
- $this->abbr_desciptions = array();
- $this->abbr_word_re = '';
-
- parent::teardown();
- }
-
-
- ### HTML Block Parser ###
-
- # Tags that are always treated as block tags:
- var $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
-
- # Tags treated as block tags only if the opening tag is alone on it's line:
- var $context_block_tags_re = 'script|noscript|math|ins|del';
-
- # Tags where markdown="1" default to span mode:
- var $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
-
- # Tags which must not have their contents modified, no matter where
- # they appear:
- var $clean_tags_re = 'script|math';
-
- # Tags that do not need to be closed.
- var $auto_close_tags_re = 'hr|img';
-
-
- function hashHTMLBlocks($text) {
- #
- # Hashify HTML Blocks and "clean tags".
- #
- # We only want to do this for block-level HTML tags, such as headers,
- # lists, and tables. That's because we still want to wrap <p>s around
- # "paragraphs" that are wrapped in non-block-level tags, such as anchors,
- # phrase emphasis, and spans. The list of tags we're looking for is
- # hard-coded.
- #
- # This works by calling _HashHTMLBlocks_InMarkdown, which then calls
- # _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1"
- # attribute is found whitin a tag, _HashHTMLBlocks_InHTML calls back
- # _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
- # These two functions are calling each other. It's recursive!
- #
- #
- # Call the HTML-in-Markdown hasher.
- #
- list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
-
- return $text;
- }
- function _hashHTMLBlocks_inMarkdown($text, $indent = 0,
- $enclosing_tag_re = '', $span = false)
- {
- #
- # Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
- #
- # * $indent is the number of space to be ignored when checking for code
- # blocks. This is important because if we don't take the indent into
- # account, something like this (which looks right) won't work as expected:
- #
- # <div>
- # <div markdown="1">
- # Hello World. <-- Is this a Markdown code block or text?
- # </div> <-- Is this a Markdown code block or a real tag?
- # <div>
- #
- # If you don't like this, just don't indent the tag on which
- # you apply the markdown="1" attribute.
- #
- # * If $enclosing_tag_re is not empty, stops at the first unmatched closing
- # tag with that name. Nested tags supported.
- #
- # * If $span is true, text inside must treated as span. So any double
- # newline will be replaced by a single newline so that it does not create
- # paragraphs.
- #
- # Returns an array of that form: ( processed text , remaining text )
- #
- if ($text === '') return array('', '');
-
- # Regex to check for the presense of newlines around a block tag.
- $newline_before_re = '/(?:^\n?|\n\n)*$/';
- $newline_after_re =
- '{
- ^ # Start of text following the tag.
- (?>[ ]*<!--.*?-->)? # Optional comment.
- [ ]*\n # Must be followed by newline.
- }xs';
-
- # Regex to match any tag.
- $block_tag_re =
- '{
- ( # $2: Capture hole tag.
- </? # Any opening or closing tag.
- (?> # Tag name.
- '.$this->block_tags_re.' |
- '.$this->context_block_tags_re.' |
- '.$this->clean_tags_re.' |
- (?!\s)'.$enclosing_tag_re.'
- )
- (?:
- (?=[\s"\'/a-zA-Z0-9]) # Allowed characters after tag name.
- (?>
- ".*?" | # Double quotes (can contain `>`)
- \'.*?\' | # Single quotes (can contain `>`)
- .+? # Anything but quotes and `>`.
- )*?
- )?
- > # End of tag.
- |
- <!-- .*? --> # HTML Comment
- |
- <\?.*?\?> | <%.*?%> # Processing instruction
- |
- <!\[CDATA\[.*?\]\]> # CData Block
- |
- # Code span marker
- `+
- '. ( !$span ? ' # If not in span.
- |
- # Indented code block
- (?: ^[ ]*\n | ^ | \n[ ]*\n )
- [ ]{'.($indent+4).'}[^\n]* \n
- (?>
- (?: [ ]{'.($indent+4).'}[^\n]* | [ ]* ) \n
- )*
- |
- # Fenced code block marker
- (?> ^ | \n )
- [ ]{0,'.($indent).'}~~~+[ ]*\n
- ' : '' ). ' # End (if not is span).
- )
- }xs';
-
-
- $depth = 0; # Current depth inside the tag tree.
- $parsed = ""; # Parsed text that will be returned.
-
- #
- # Loop through every tag until we find the closing tag of the parent
- # or loop until reaching the end of text if no parent tag specified.
- #
- do {
- #
- # Split the text using the first $tag_match pattern found.
- # Text before pattern will be first in the array, text after
- # pattern will be at the end, and between will be any catches made
- # by the pattern.
- #
- $parts = preg_split($block_tag_re, $text, 2,
- PREG_SPLIT_DELIM_CAPTURE);
-
- # If in Markdown span mode, add a empty-string span-level hash
- # after each newline to prevent triggering any block element.
- if ($span) {
- $void = $this->hashPart("", ':');
- $newline = "$void\n";
- $parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
- }
-
- $parsed .= $parts[0]; # Text before current tag.
-
- # If end of $text has been reached. Stop loop.
- if (count($parts) < 3) {
- $text = "";
- break;
- }
-
- $tag = $parts[1]; # Tag to handle.
- $text = $parts[2]; # Remaining text after current tag.
- $tag_re = preg_quote($tag); # For use in a regular expression.
-
- #
- # Check for: Code span marker
- #
- if ($tag{0} == "`") {
- # Find corresponding end marker.
- $tag_re = preg_quote($tag);
- if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)'.$tag_re.'(?!`)}',
- $text, $matches))
- {
- # End marker found: pass text unchanged until marker.
- $parsed .= $tag . $matches[0];
- $text = substr($text, strlen($matches[0]));
- }
- else {
- # Unmatched marker: just skip it.
- $parsed .= $tag;
- }
- }
- #
- # Check for: Fenced code block marker.
- #
- else if (preg_match('{^\n?[ ]{0,'.($indent+3).'}~}', $tag)) {
- # Fenced code block marker: find matching end marker.
- $tag_re = preg_quote(trim($tag));
- if (preg_match('{^(?>.*\n)+?[ ]{0,'.($indent).'}'.$tag_re.'[ ]*\n}', $text,
- $matches))
- {
- # End marker found: pass text unchanged until marker.
- $parsed .= $tag . $matches[0];
- $text = substr($text, strlen($matches[0]));
- }
- else {
- # No end marker: just skip it.
- $parsed .= $tag;
- }
- }
- #
- # Check for: Indented code block.
- #
- else if ($tag{0} == "\n" || $tag{0} == " ") {
- # Indented code block: pass it unchanged, will be handled
- # later.
- $parsed .= $tag;
- }
- #
- # Check for: Opening Block level tag or
- # Opening Context Block tag (like ins and del)
- # used as a block tag (tag is alone on it's line).
- #
- else if (preg_match('{^<(?:'.$this->block_tags_re.')\b}', $tag) ||
- ( preg_match('{^<(?:'.$this->context_block_tags_re.')\b}', $tag) &&
- preg_match($newline_before_re, $parsed) &&
- preg_match($newline_after_re, $text) )
- )
- {
- # Need to parse tag and following text using the HTML parser.
- list($block_text, $text) =
- $this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
-
- # Make sure it stays outside of any paragraph by adding newlines.
- $parsed .= "\n\n$block_text\n\n";
- }
- #
- # Check for: Clean tag (like script, math)
- # HTML Comments, processing instructions.
- #
- else if (preg_match('{^<(?:'.$this->clean_tags_re.')\b}', $tag) ||
- $tag{1} == '!' || $tag{1} == '?')
- {
- # Need to parse tag and following text using the HTML parser.
- # (don't check for markdown attribute)
- list($block_text, $text) =
- $this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
-
- $parsed .= $block_text;
- }
- #
- # Check for: Tag with same name as enclosing tag.
- #
- else if ($enclosing_tag_re !== '' &&
- # Same name as enclosing tag.
- preg_match('{^</?(?:'.$enclosing_tag_re.')\b}', $tag))
- {
- #
- # Increase/decrease nested tag count.
- #
- if ($tag{1} == '/') $depth--;
- else if ($tag{strlen($tag)-2} != '/') $depth++;
-
- if ($depth < 0) {
- #
- # Going out of parent element. Clean up and break so we
- # return to the calling function.
- #
- $text = $tag . $text;
- break;
- }
-
- $parsed .= $tag;
- }
- else {
- $parsed .= $tag;
- }
- } while ($depth >= 0);
-
- return array($parsed, $text);
- }
- function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
- #
- # Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
- #
- # * Calls $hash_method to convert any blocks.
- # * Stops when the first opening tag closes.
- # * $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
- # (it is not inside clean tags)
- #
- # Returns an array of that form: ( processed text , remaining text )
- #
- if ($text === '') return array('', '');
-
- # Regex to match `markdown` attribute inside of a tag.
- $markdown_attr_re = '
- {
- \s* # Eat whitespace before the `markdown` attribute
- markdown
- \s*=\s*
- (?>
- (["\']) # $1: quote delimiter
- (.*?) # $2: attribute value
- \1 # matching delimiter
- |
- ([^\s>]*) # $3: unquoted attribute value
- )
- () # $4: make $3 always defined (avoid warnings)
- }xs';
-
- # Regex to match any tag.
- $tag_re = '{
- ( # $2: Capture hole tag.
- </? # Any opening or closing tag.
- [\w:$]+ # Tag name.
- (?:
- (?=[\s"\'/a-zA-Z0-9]) # Allowed characters after tag name.
- (?>
- ".*?" | # Double quotes (can contain `>`)
- \'.*?\' | # Single quotes (can contain `>`)
- .+? # Anything but quotes and `>`.
- )*?
- )?
- > # End of tag.
- |
- <!-- .*? --> # HTML Comment
- |
- <\?.*?\?> | <%.*?%> # Processing instruction
- |
- <!\[CDATA\[.*?\]\]> # CData Block
- )
- }xs';
-
- $original_text = $text; # Save original text in case of faliure.
-
- $depth = 0; # Current depth inside the tag tree.
- $block_text = ""; # Temporary text holder for current text.
- $parsed = ""; # Parsed text that will be returned.
-
- #
- # Get the name of the starting tag.
- # (This pattern makes $base_tag_name_re safe without quoting.)
- #
- if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
- $base_tag_name_re = $matches[1];
-
- #
- # Loop through every tag until we find the corresponding closing tag.
- #
- do {
- #
- # Split the text using the first $tag_match pattern found.
- # Text before pattern will be first in the array, text after
- # pattern will be at the end, and between will be any catches made
- # by the pattern.
- #
- $parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
-
- if (count($parts) < 3) {
- #
- # End of $text reached with unbalenced tag(s).
- # In that case, we return original text unchanged and pass the
- # first character as filtered to prevent an infinite loop in the
- # parent function.
- #
- return array($original_text{0}, substr($original_text, 1));
- }
-
- $block_text .= $parts[0]; # Text before current tag.
- $tag = $parts[1]; # Tag to handle.
- $text = $parts[2]; # Remaining text after current tag.
-
- #
- # Check for: Auto-close tag (like <hr/>)
- # Comments and Processing Instructions.
- #
- if (preg_match('{^</?(?:'.$this->auto_close_tags_re.')\b}', $tag) ||
- $tag{1} == '!' || $tag{1} == '?')
- {
- # Just add the tag to the block as if it was text.
- $block_text .= $tag;
- }
- else {
- #
- # Increase/decrease nested tag count. Only do so if
- # the tag's name match base tag's.
- #
- if (preg_match('{^</?'.$base_tag_name_re.'\b}', $tag)) {
- if ($tag{1} == '/') $depth--;
- else if ($tag{strlen($tag)-2} != '/') $depth++;
- }
-
- #
- # Check for `markdown="1"` attribute and handle it.
- #
- if ($md_attr &&
- preg_match($markdown_attr_re, $tag, $attr_m) &&
- preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3]))
- {
- # Remove `markdown` attribute from opening tag.
- $tag = preg_replace($markdown_attr_re, '', $tag);
-
- # Check if text inside this tag must be parsed in span mode.
- $this->mode = $attr_m[2] . $attr_m[3];
- $span_mode = $this->mode == 'span' || $this->mode != 'block' &&
- preg_match('{^<(?:'.$this->contain_span_tags_re.')\b}', $tag);
-
- # Calculate indent before tag.
- if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
- $strlen = $this->utf8_strlen;
- $indent = $strlen($matches[1], 'UTF-8');
- } else {
- $indent = 0;
- }
-
- # End preceding block with this tag.
- $block_text .= $tag;
- $parsed .= $this->$hash_method($block_text);
-
- # Get enclosing tag name for the ParseMarkdown function.
- # (This pattern makes $tag_name_re safe without quoting.)
- preg_match('/^<([\w:$]*)\b/', $tag, $matches);
- $tag_name_re = $matches[1];
-
- # Parse the content using the HTML-in-Markdown parser.
- list ($block_text, $text)
- = $this->_hashHTMLBlocks_inMarkdown($text, $indent,
- $tag_name_re, $span_mode);
-
- # Outdent markdown text.
- if ($indent > 0) {
- $block_text = preg_replace("/^[ ]{1,$indent}/m", "",
- $block_text);
- }
-
- # Append tag content to parsed text.
- if (!$span_mode) $parsed .= "\n\n$block_text\n\n";
- else $parsed .= "$block_text";
-
- # Start over a new block.
- $block_text = "";
- }
- else $block_text .= $tag;
- }
-
- } while ($depth > 0);
-
- #
- # Hash last block text that wasn't processed inside the loop.
- #
- $parsed .= $this->$hash_method($block_text);
-
- return array($parsed, $text);
- }
-
-
- function hashClean($text) {
- #
- # Called whenever a tag must be hashed when a function insert a "clean" tag
- # in $text, it pass through this function and is automaticaly escaped,
- # blocking invalid nested overlap.
- #
- return $this->hashPart($text, 'C');
- }
-
-
- function doHeaders($text) {
- #
- # Redefined to add id attribute support.
- #
- # Setext-style headers:
- # Header 1 {#header1}
- # ========
- #
- # Header 2 {#header2}
- # --------
- #
- $text = preg_replace_callback(
- '{
- (^.+?) # $1: Header text
- (?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})? # $2: Id attribute
- [ ]*\n(=+|-+)[ ]*\n+ # $3: Header footer
- }mx',
- array(&$this, '_doHeaders_callback_setext'), $text);
-
- # atx-style headers:
- # # Header 1 {#header1}
- # ## Header 2 {#header2}
- # ## Header 2 with closing hashes ## {#header3}
- # ...
- # ###### Header 6 {#header2}
- #
- $text = preg_replace_callback('{
- ^(\#{1,6}) # $1 = string of #\'s
- [ ]*
- (.+?) # $2 = Header text
- [ ]*
- \#* # optional closing #\'s (not counted)
- (?:[ ]+\{\#([-_:a-zA-Z0-9]+)\})? # id attribute
- [ ]*
- \n+
- }xm',
- array(&$this, '_doHeaders_callback_atx'), $text);
-
- return $text;
- }
- function _doHeaders_attr($attr) {
- if (empty($attr)) return "";
- return " id=\"$attr\"";
- }
- function _doHeaders_callback_setext($matches) {
- if ($matches[3] == '-' && preg_match('{^- }', $matches[1]))
- return $matches[0];
- $level = $matches[3]{0} == '=' ? 1 : 2;
- $attr = $this->_doHeaders_attr($id =& $matches[2]);
- $block = "<h$level$attr>".$this->runSpanGamut($matches[1])."</h$level>";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
- function _doHeaders_callback_atx($matches) {
- $level = strlen($matches[1]);
- $attr = $this->_doHeaders_attr($id =& $matches[3]);
- $block = "<h$level$attr>".$this->runSpanGamut($matches[2])."</h$level>";
- return "\n" . $this->hashBlock($block) . "\n\n";
- }
-
-
- function doTables($text) {
- #
- # Form HTML tables.
- #
- $less_than_tab = $this->tab_width - 1;
- #
- # Find tables with leading pipe.
- #
- # | Header 1 | Header 2
- # | -------- | --------
- # | Cell 1 | Cell 2
- # | Cell 3 | Cell 4
- #
- $text = preg_replace_callback('
- {
- ^ # Start of a line
- [ ]{0,'.$less_than_tab.'} # Allowed whitespace.
- [|] # Optional leading pipe (present)
- (.+) \n # $1: Header row (at least one pipe)
-
- [ ]{0,'.$less_than_tab.'} # Allowed whitespace.
- [|] ([ ]*[-:]+[-| :]*) \n # $2: Header underline
-
- ( # $3: Cells
- (?>
- [ ]* # Allowed whitespace.
- [|] .* \n # Row content.
- )*
- )
- (?=\n|\Z) # Stop at final double newline.
- }xm',
- array(&$this, '_doTable_leadingPipe_callback'), $text);
-
- #
- # Find tables without leading pipe.
- #
- # Header 1 | Header 2
- # -------- | --------
- # Cell 1 | Cell 2
- # Cell 3 | Cell 4
- #
- $text = preg_replace_callback('
- {
- ^ # Start of a line
- [ ]{0,'.$less_than_tab.'} # Allowed whitespace.
- (\S.*[|].*) \n # $1: Header row (at least one pipe)
-
- [ ]{0,'.$less_than_tab.'} # Allowed whitespace.
- ([-:]+[ ]*[|][-| :]*) \n # $2: Header underline
-
- ( # $3: Cells
- (?>
- .* [|] .* \n # Row content
- )*
- )
- (?=\n|\Z) # Stop at final double newline.
- }xm',
- array(&$this, '_DoTable_callback'), $text);
-
- return $text;
- }
- function _doTable_leadingPipe_callback($matches) {
- $head = $matches[1];
- $underline = $matches[2];
- $content = $matches[3];
-
- # Remove leading pipe for each row.
- $content = preg_replace('/^ *[|]/m', '', $content);
-
- return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
- }
- function _doTable_callback($matches) {
- $head = $matches[1];
- $underline = $matches[2];
- $content = $matches[3];
-
- # Remove any tailing pipes for each line.
- $head = preg_replace('/[|] *$/m', '', $head);
- $underline = preg_replace('/[|] *$/m', '', $underline);
- $content = preg_replace('/[|] *$/m', '', $content);
-
- # Reading alignement from header underline.
- $separators = preg_split('/ *[|] */', $underline);
- foreach ($separators as $n => $s) {
- if (preg_match('/^ *-+: *$/', $s)) $attr[$n] = ' align="right"';
- else if (preg_match('/^ *:-+: *$/', $s))$attr[$n] = ' align="center"';
- else if (preg_match('/^ *:-+ *$/', $s)) $attr[$n] = ' align="left"';
- else $attr[$n] = '';
- }
-
- # Parsing span elements, including code spans, character escapes,
- # and inline HTML tags, so that pipes inside those gets ignored.
- $head = $this->parseSpan($head);
- $headers = preg_split('/ *[|] */', $head);
- $col_count = count($headers);
-
- # Write column headers.
- $text = "<table>\n";
- $text .= "<thead>\n";
- $text .= "<tr>\n";
- foreach ($headers as $n => $header)
- $text .= " <th$attr[$n]>".$this->runSpanGamut(trim($header))."</th>\n";
- $text .= "</tr>\n";
- $text .= "</thead>\n";
-
- # Split content by row.
- $rows = explode("\n", trim($content, "\n"));
-
- $text .= "<tbody>\n";
- foreach ($rows as $row) {
- # Parsing span elements, including code spans, character escapes,
- # and inline HTML tags, so that pipes inside those gets ignored.
- $row = $this->parseSpan($row);
-
- # Split row by cell.
- $row_cells = preg_split('/ *[|] */', $row, $col_count);
- $row_cells = array_pad($row_cells, $col_count, '');
-
- $text .= "<tr>\n";
- foreach ($row_cells as $n => $cell)
- $text .= " <td$attr[$n]>".$this->runSpanGamut(trim($cell))."</td>\n";
- $text .= "</tr>\n";
- }
- $text .= "</tbody>\n";
- $text .= "</table>";
-
- return $this->hashBlock($text) . "\n";
- }
-
-
- function doDefLists($text) {
- #
- # Form HTML definition lists.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # Re-usable pattern to match any entire dl list:
- $whole_list_re = '(?>
- ( # $1 = whole list
- ( # $2
- [ ]{0,'.$less_than_tab.'}
- ((?>.*\S.*\n)+) # $3 = defined term
- \n?
- [ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
- )
- (?s:.+?)
- ( # $4
- \z
- |
- \n{2,}
- (?=\S)
- (?! # Negative lookahead for another term
- [ ]{0,'.$less_than_tab.'}
- (?: \S.*\n )+? # defined term
- \n?
- [ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
- )
- (?! # Negative lookahead for another definition
- [ ]{0,'.$less_than_tab.'}:[ ]+ # colon starting definition
- )
- )
- )
- )'; // mx
-
- $text = preg_replace_callback('{
- (?>\A\n?|(?<=\n\n))
- '.$whole_list_re.'
- }mx',
- array(&$this, '_doDefLists_callback'), $text);
-
- return $text;
- }
- function _doDefLists_callback($matches) {
- # Re-usable patterns to match list item bullets and number markers:
- $list = $matches[1];
-
- # Turn double returns into triple returns, so that we can make a
- # paragraph for the last item in a list, if necessary:
- $result = trim($this->processDefListItems($list));
- $result = "<dl>\n" . $result . "\n</dl>";
- return $this->hashBlock($result) . "\n\n";
- }
-
-
- function processDefListItems($list_str) {
- #
- # Process the contents of a single definition list, splitting it
- # into individual term and definition list items.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # trim trailing blank lines:
- $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
-
- # Process definition terms.
- $list_str = preg_replace_callback('{
- (?>\A\n?|\n\n+) # leading line
- ( # definition terms = $1
- [ ]{0,'.$less_than_tab.'} # leading whitespace
- (?![:][ ]|[ ]) # negative lookahead for a definition
- # mark (colon) or more whitespace.
- (?> \S.* \n)+? # actual term (not whitespace).
- )
- (?=\n?[ ]{0,3}:[ ]) # lookahead for following line feed
- # with a definition mark.
- }xm',
- array(&$this, '_processDefListItems_callback_dt'), $list_str);
-
- # Process actual definitions.
- $list_str = preg_replace_callback('{
- \n(\n+)? # leading line = $1
- ( # marker space = $2
- [ ]{0,'.$less_than_tab.'} # whitespace before colon
- [:][ ]+ # definition mark (colon)
- )
- ((?s:.+?)) # definition text = $3
- (?= \n+ # stop at next definition mark,
- (?: # next term or end of text
- [ ]{0,'.$less_than_tab.'} [:][ ] |
- <dt> | \z
- )
- )
- }xm',
- array(&$this, '_processDefListItems_callback_dd'), $list_str);
-
- return $list_str;
- }
- function _processDefListItems_callback_dt($matches) {
- $terms = explode("\n", trim($matches[1]));
- $text = '';
- foreach ($terms as $term) {
- $term = $this->runSpanGamut(trim($term));
- $text .= "\n<dt>" . $term . "</dt>";
- }
- return $text . "\n";
- }
- function _processDefListItems_callback_dd($matches) {
- $leading_line = $matches[1];
- $marker_space = $matches[2];
- $def = $matches[3];
-
- if ($leading_line || preg_match('/\n{2,}/', $def)) {
- # Replace marker with the appropriate whitespace indentation
- $def = str_repeat(' ', strlen($marker_space)) . $def;
- $def = $this->runBlockGamut($this->outdent($def . "\n\n"));
- $def = "\n". $def ."\n";
- }
- else {
- $def = rtrim($def);
- $def = $this->runSpanGamut($this->outdent($def));
- }
-
- return "\n<dd>" . $def . "</dd>\n";
- }
-
-
- function doFencedCodeBlocks($text) {
- #
- # Adding the fenced code block syntax to regular Markdown:
- #
- # ~~~
- # Code block
- # ~~~
- #
- $less_than_tab = $this->tab_width;
-
- $text = preg_replace_callback('{
- (?:\n|\A)
- # 1: Opening marker
- (
- ~{3,} # Marker: three tilde or more.
- )
- [ ]* \n # Whitespace and newline following marker.
-
- # 2: Content
- (
- (?>
- (?!\1 [ ]* \n) # Not a closing marker.
- .*\n+
- )+
- )
-
- # Closing marker.
- \1 [ ]* \n
- }xm',
- array(&$this, '_doFencedCodeBlocks_callback'), $text);
-
- return $text;
- }
- function _doFencedCodeBlocks_callback($matches) {
- $codeblock = $matches[2];
- $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
- $codeblock = preg_replace_callback('/^\n+/',
- array(&$this, '_doFencedCodeBlocks_newlines'), $codeblock);
- $codeblock = "<pre><code>$codeblock</code></pre>";
- return "\n\n".$this->hashBlock($codeblock)."\n\n";
- }
- function _doFencedCodeBlocks_newlines($matches) {
- return str_repeat("<br$this->empty_element_suffix",
- strlen($matches[0]));
- }
-
-
- #
- # Redefining emphasis markers so that emphasis by underscore does not
- # work in the middle of a word.
- #
- var $em_relist = array(
- '' => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?=\S|$)(?![\.,:;]\s)',
- '*' => '(?<=\S|^)(?<!\*)\*(?!\*)',
- '_' => '(?<=\S|^)(?<!_)_(?![a-zA-Z0-9_])',
- );
- var $strong_relist = array(
- '' => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?=\S|$)(?![\.,:;]\s)',
- '**' => '(?<=\S|^)(?<!\*)\*\*(?!\*)',
- '__' => '(?<=\S|^)(?<!_)__(?![a-zA-Z0-9_])',
- );
- var $em_strong_relist = array(
- '' => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?=\S|$)(?![\.,:;]\s)',
- '***' => '(?<=\S|^)(?<!\*)\*\*\*(?!\*)',
- '___' => '(?<=\S|^)(?<!_)___(?![a-zA-Z0-9_])',
- );
-
-
- function formParagraphs($text) {
- #
- # Params:
- # $text - string to process with html <p> tags
- #
- # Strip leading and trailing lines:
- $text = preg_replace('/\A\n+|\n+\z/', '', $text);
-
- $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
-
- #
- # Wrap <p> tags and unhashify HTML blocks
- #
- foreach ($grafs as $key => $value) {
- $value = trim($this->runSpanGamut($value));
-
- # Check if this should be enclosed in a paragraph.
- # Clean tag hashes & block tag hashes are left alone.
- $is_p = !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
-
- if ($is_p) {
- $value = "<p>$value</p>";
- }
- $grafs[$key] = $value;
- }
-
- # Join grafs in one text, then unhash HTML tags.
- $text = implode("\n\n", $grafs);
-
- # Finish by removing any tag hashes still present in $text.
- $text = $this->unhash($text);
-
- return $text;
- }
-
-
- ### Footnotes
-
- function stripFootnotes($text) {
- #
- # Strips link definitions from text, stores the URLs and titles in
- # hash references.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # Link defs are in the form: [^id]: url "optional title"
- $text = preg_replace_callback('{
- ^[ ]{0,'.$less_than_tab.'}\[\^(.+?)\][ ]?: # note_id = $1
- [ ]*
- \n? # maybe *one* newline
- ( # text = $2 (no blank lines allowed)
- (?:
- .+ # actual text
- |
- \n # newlines but
- (?!\[\^.+?\]:\s)# negative lookahead for footnote marker.
- (?!\n+[ ]{0,3}\S)# ensure line is not blank and followed
- # by non-indented content
- )*
- )
- }xm',
- array(&$this, '_stripFootnotes_callback'),
- $text);
- return $text;
- }
- function _stripFootnotes_callback($matches) {
- $note_id = $this->fn_id_prefix . $matches[1];
- $this->footnotes[$note_id] = $this->outdent($matches[2]);
- return ''; # String that will replace the block
- }
-
-
- function doFootnotes($text) {
- #
- # Replace footnote references in $text [^id] with a special text-token
- # which will be replaced by the actual footnote marker in appendFootnotes.
- #
- if (!$this->in_anchor) {
- $text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
- }
- return $text;
- }
-
-
- function appendFootnotes($text) {
- #
- # Append footnote list to text.
- #
- $text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
- array(&$this, '_appendFootnotes_callback'), $text);
-
- if (!empty($this->footnotes_ordered)) {
- $text .= "\n\n";
- $text .= "<div class=\"footnotes\">\n";
- $text .= "<hr". $this->empty_element_suffix ."\n";
- $text .= "<ol>\n\n";
-
- $attr = " rev=\"footnote\"";
- if ($this->fn_backlink_class != "") {
- $class = $this->fn_backlink_class;
- $class = $this->encodeAttribute($class);
- $attr .= " class=\"$class\"";
- }
- if ($this->fn_backlink_title != "") {
- $title = $this->fn_backlink_title;
- $title = $this->encodeAttribute($title);
- $attr .= " title=\"$title\"";
- }
- $num = 0;
-
- while (!empty($this->footnotes_ordered)) {
- $footnote = reset($this->footnotes_ordered);
- $note_id = key($this->footnotes_ordered);
- unset($this->footnotes_ordered[$note_id]);
-
- $footnote .= "\n"; # Need to append newline before parsing.
- $footnote = $this->runBlockGamut("$footnote\n");
- $footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
- array(&$this, '_appendFootnotes_callback'), $footnote);
-
- $attr = str_replace("%%", ++$num, $attr);
- $note_id = $this->encodeAttribute($note_id);
-
- # Add backlink to last paragraph; create new paragraph if needed.
- $backlink = "<a href=\"#fnref:$note_id\"$attr>&#8617;</a>";
- if (preg_match('{</p>$}', $footnote)) {
- $footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
- } else {
- $footnote .= "\n\n<p>$backlink</p>";
- }
-
- $text .= "<li id=\"fn:$note_id\">\n";
- $text .= $footnote . "\n";
- $text .= "</li>\n\n";
- }
-
- $text .= "</ol>\n";
- $text .= "</div>";
- }
- return $text;
- }
- function _appendFootnotes_callback($matches) {
- $node_id = $this->fn_id_prefix . $matches[1];
-
- # Create footnote marker only if it has a corresponding footnote *and*
- # the footnote hasn't been used by another marker.
- if (isset($this->footnotes[$node_id])) {
- # Transfert footnote content to the ordered list.
- $this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
- unset($this->footnotes[$node_id]);
-
- $num = $this->footnote_counter++;
- $attr = " rel=\"footnote\"";
- if ($this->fn_link_class != "") {
- $class = $this->fn_link_class;
- $class = $this->encodeAttribute($class);
- $attr .= " class=\"$class\"";
- }
- if ($this->fn_link_title != "") {
- $title = $this->fn_link_title;
- $title = $this->encodeAttribute($title);
- $attr .= " title=\"$title\"";
- }
-
- $attr = str_replace("%%", $num, $attr);
- $node_id = $this->encodeAttribute($node_id);
-
- return
- "<sup id=\"fnref:$node_id\">".
- "<a href=\"#fn:$node_id\"$attr>$num</a>".
- "</sup>";
- }
-
- return "[^".$matches[1]."]";
- }
-
-
- ### Abbreviations ###
-
- function stripAbbreviations($text) {
- #
- # Strips abbreviations from text, stores titles in hash references.
- #
- $less_than_tab = $this->tab_width - 1;
-
- # Link defs are in the form: [id]*: url "optional title"
- $text = preg_replace_callback('{
- ^[ ]{0,'.$less_than_tab.'}\*\[(.+?)\][ ]?: # abbr_id = $1
- (.*) # text = $2 (no blank lines allowed)
- }xm',
- array(&$this, '_stripAbbreviations_callback'),
- $text);
- return $text;
- }
- function _stripAbbreviations_callback($matches) {
- $abbr_word = $matches[1];
- $abbr_desc = $matches[2];
- if ($this->abbr_word_re)
- $this->abbr_word_re .= '|';
- $this->abbr_word_re .= preg_quote($abbr_word);
- $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
- return ''; # String that will replace the block
- }
-
-
- function doAbbreviations($text) {
- #
- # Find defined abbreviations in text and wrap them in <abbr> elements.
- #
- if ($this->abbr_word_re) {
- // cannot use the /x modifier because abbr_word_re may
- // contain significant spaces:
- $text = preg_replace_callback('{'.
- '(?<![\w\x1A])'.
- '(?:'.$this->abbr_word_re.')'.
- '(?![\w\x1A])'.
- '}',
- array(&$this, '_doAbbreviations_callback'), $text);
- }
- return $text;
- }
- function _doAbbreviations_callback($matches) {
- $abbr = $matches[0];
- if (isset($this->abbr_desciptions[$abbr])) {
- $desc = $this->abbr_desciptions[$abbr];
- if (empty($desc)) {
- return $this->hashPart("<abbr>$abbr</abbr>");
- } else {
- $desc = $this->encodeAttribute($desc);
- return $this->hashPart("<abbr title=\"$desc\">$abbr</abbr>");
- }
- } else {
- return $matches[0];
- }
- }
-
-}
-
-
-/*
-
-PHP Markdown Extra
-==================
-
-Description
------------
-
-This is a PHP port of the original Markdown formatter written in Perl
-by John Gruber. This special "Extra" version of PHP Markdown features
-further enhancements to the syntax for making additional constructs
-such as tables and definition list.
-
-Markdown is a text-to-HTML filter; it translates an easy-to-read /
-easy-to-write structured text format into HTML. Markdown's text format
-is most similar to that of plain text email, and supports features such
-as headers, *emphasis*, code blocks, blockquotes, and links.
-
-Markdown's syntax is designed not as a generic markup language, but
-specifically to serve as a front-end to (X)HTML. You can use span-level
-HTML tags anywhere in a Markdown document, and you can use block level
-HTML tags (like <div> and <table> as well).
-
-For more information about Markdown's syntax, see:
-
-<http://daringfireball.net/projects/markdown/>
-
-
-Bugs
-----
-
-To file bug reports please send email to:
-
-<michel.fortin@michelf.com>
-
-Please include with your report: (1) the example input; (2) the output you
-expected; (3) the output Markdown actually produced.
-
-
-Version History
----------------
-
-See the readme file for detailed release notes for this version.
-
-
-Copyright and License
----------------------
-
-PHP Markdown & Extra
-Copyright (c) 2004-2009 Michel Fortin
-<http://michelf.com/>
-All rights reserved.
-
-Based on Markdown
-Copyright (c) 2003-2006 John Gruber
-<http://daringfireball.net/>
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-* Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
-* Neither the name "Markdown" nor the names of its contributors may
- be used to endorse or promote products derived from this software
- without specific prior written permission.
-
-This software is provided by the copyright holders and contributors "as
-is" and any express or implied warranties, including, but not limited
-to, the implied warranties of merchantability and fitness for a
-particular purpose are disclaimed. In no event shall the copyright owner
-or contributors be liable for any direct, indirect, incidental, special,
-exemplary, or consequential damages (including, but not limited to,
-procurement of substitute goods or services; loss of use, data, or
-profits; or business interruption) however caused and on any theory of
-liability, whether in contract, strict liability, or tort (including
-negligence or otherwise) arising in any way out of the use of this
-software, even if advised of the possibility of such damage.
-
-*/
-?> \ No newline at end of file
diff --git a/vendor/autoload.php b/vendor/autoload.php
index 063a1b7e1..8b4926c3d 100644
--- a/vendor/autoload.php
+++ b/vendor/autoload.php
@@ -2,6 +2,6 @@
// autoload.php @generated by Composer
-require_once __DIR__ . '/composer' . '/autoload_real.php';
+require_once __DIR__ . '/composer/autoload_real.php';
return ComposerAutoloaderInit7b34d7e50a62201ec5d5e526a5b8b35d::getLoader();
diff --git a/vendor/composer/ClassLoader.php b/vendor/composer/ClassLoader.php
index ac67d302a..4626994fd 100644
--- a/vendor/composer/ClassLoader.php
+++ b/vendor/composer/ClassLoader.php
@@ -55,6 +55,7 @@ class ClassLoader
private $classMap = array();
private $classMapAuthoritative = false;
private $missingClasses = array();
+ private $apcuPrefix;
public function getPrefixes()
{
@@ -272,6 +273,26 @@ class ClassLoader
}
/**
+ * APCu prefix to use to cache found/not-found classes, if the extension is enabled.
+ *
+ * @param string|null $apcuPrefix
+ */
+ public function setApcuPrefix($apcuPrefix)
+ {
+ $this->apcuPrefix = function_exists('apcu_fetch') && ini_get('apc.enabled') ? $apcuPrefix : null;
+ }
+
+ /**
+ * The APCu prefix in use, or null if APCu caching is not enabled.
+ *
+ * @return string|null
+ */
+ public function getApcuPrefix()
+ {
+ return $this->apcuPrefix;
+ }
+
+ /**
* Registers this instance as an autoloader.
*
* @param bool $prepend Whether to prepend the autoloader or not
@@ -313,11 +334,6 @@ class ClassLoader
*/
public function findFile($class)
{
- // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
- if ('\\' == $class[0]) {
- $class = substr($class, 1);
- }
-
// class map lookup
if (isset($this->classMap[$class])) {
return $this->classMap[$class];
@@ -325,6 +341,12 @@ class ClassLoader
if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
return false;
}
+ if (null !== $this->apcuPrefix) {
+ $file = apcu_fetch($this->apcuPrefix.$class, $hit);
+ if ($hit) {
+ return $file;
+ }
+ }
$file = $this->findFileWithExtension($class, '.php');
@@ -333,6 +355,10 @@ class ClassLoader
$file = $this->findFileWithExtension($class, '.hh');
}
+ if (null !== $this->apcuPrefix) {
+ apcu_add($this->apcuPrefix.$class, $file);
+ }
+
if (false === $file) {
// Remember that this class does not exist.
$this->missingClasses[$class] = true;
diff --git a/vendor/composer/autoload_classmap.php b/vendor/composer/autoload_classmap.php
index 54b09f68b..8b8d3dd58 100644
--- a/vendor/composer/autoload_classmap.php
+++ b/vendor/composer/autoload_classmap.php
@@ -7,6 +7,9 @@ $baseDir = dirname($vendorDir);
return array(
'Hubzilla\\Import\\Import' => $baseDir . '/include/Import/Importer.php',
+ 'Michelf\\Markdown' => $vendorDir . '/michelf/php-markdown/Michelf/Markdown.php',
+ 'Michelf\\MarkdownExtra' => $vendorDir . '/michelf/php-markdown/Michelf/MarkdownExtra.php',
+ 'Michelf\\MarkdownInterface' => $vendorDir . '/michelf/php-markdown/Michelf/MarkdownInterface.php',
'Psr\\Log\\AbstractLogger' => $vendorDir . '/psr/log/Psr/Log/AbstractLogger.php',
'Psr\\Log\\InvalidArgumentException' => $vendorDir . '/psr/log/Psr/Log/InvalidArgumentException.php',
'Psr\\Log\\LogLevel' => $vendorDir . '/psr/log/Psr/Log/LogLevel.php',
@@ -265,6 +268,7 @@ return array(
'Sabre\\HTTP\\URLUtil' => $vendorDir . '/sabre/http/lib/URLUtil.php',
'Sabre\\HTTP\\Util' => $vendorDir . '/sabre/http/lib/Util.php',
'Sabre\\HTTP\\Version' => $vendorDir . '/sabre/http/lib/Version.php',
+ 'Sabre\\Uri\\InvalidUriException' => $vendorDir . '/sabre/uri/lib/InvalidUriException.php',
'Sabre\\Uri\\Version' => $vendorDir . '/sabre/uri/lib/Version.php',
'Sabre\\VObject\\BirthdayCalendarGenerator' => $vendorDir . '/sabre/vobject/lib/BirthdayCalendarGenerator.php',
'Sabre\\VObject\\Cli' => $vendorDir . '/sabre/vobject/lib/Cli.php',
@@ -357,6 +361,7 @@ return array(
'Zotlabs\\Access\\PermissionLimits' => $baseDir . '/Zotlabs/Access/PermissionLimits.php',
'Zotlabs\\Access\\PermissionRoles' => $baseDir . '/Zotlabs/Access/PermissionRoles.php',
'Zotlabs\\Access\\Permissions' => $baseDir . '/Zotlabs/Access/Permissions.php',
+ 'Zotlabs\\Daemon\\Addon' => $baseDir . '/Zotlabs/Daemon/Addon.php',
'Zotlabs\\Daemon\\Checksites' => $baseDir . '/Zotlabs/Daemon/Checksites.php',
'Zotlabs\\Daemon\\Cli_suggest' => $baseDir . '/Zotlabs/Daemon/Cli_suggest.php',
'Zotlabs\\Daemon\\Cron' => $baseDir . '/Zotlabs/Daemon/Cron.php',
@@ -391,7 +396,10 @@ return array(
'Zotlabs\\Lib\\Enotify' => $baseDir . '/Zotlabs/Lib/Enotify.php',
'Zotlabs\\Lib\\ExtendedZip' => $baseDir . '/Zotlabs/Lib/ExtendedZip.php',
'Zotlabs\\Lib\\IConfig' => $baseDir . '/Zotlabs/Lib/IConfig.php',
+ 'Zotlabs\\Lib\\NativeWiki' => $baseDir . '/Zotlabs/Lib/NativeWiki.php',
+ 'Zotlabs\\Lib\\NativeWikiPage' => $baseDir . '/Zotlabs/Lib/NativeWikiPage.php',
'Zotlabs\\Lib\\PConfig' => $baseDir . '/Zotlabs/Lib/PConfig.php',
+ 'Zotlabs\\Lib\\Permcat' => $baseDir . '/Zotlabs/Lib/Permcat.php',
'Zotlabs\\Lib\\PermissionDescription' => $baseDir . '/Zotlabs/Lib/PermissionDescription.php',
'Zotlabs\\Lib\\ProtoDriver' => $baseDir . '/Zotlabs/Lib/ProtoDriver.php',
'Zotlabs\\Lib\\SuperCurl' => $baseDir . '/Zotlabs/Lib/SuperCurl.php',
@@ -478,7 +486,6 @@ return array(
'Zotlabs\\Module\\Magic' => $baseDir . '/Zotlabs/Module/Magic.php',
'Zotlabs\\Module\\Mail' => $baseDir . '/Zotlabs/Module/Mail.php',
'Zotlabs\\Module\\Manage' => $baseDir . '/Zotlabs/Module/Manage.php',
- 'Zotlabs\\Module\\Match' => $baseDir . '/Zotlabs/Module/Match.php',
'Zotlabs\\Module\\Menu' => $baseDir . '/Zotlabs/Module/Menu.php',
'Zotlabs\\Module\\Message' => $baseDir . '/Zotlabs/Module/Message.php',
'Zotlabs\\Module\\Mitem' => $baseDir . '/Zotlabs/Module/Mitem.php',
@@ -496,6 +503,7 @@ return array(
'Zotlabs\\Module\\Page' => $baseDir . '/Zotlabs/Module/Page.php',
'Zotlabs\\Module\\Pconfig' => $baseDir . '/Zotlabs/Module/Pconfig.php',
'Zotlabs\\Module\\Pdledit' => $baseDir . '/Zotlabs/Module/Pdledit.php',
+ 'Zotlabs\\Module\\Permcat' => $baseDir . '/Zotlabs/Module/Permcat.php',
'Zotlabs\\Module\\Photo' => $baseDir . '/Zotlabs/Module/Photo.php',
'Zotlabs\\Module\\Photos' => $baseDir . '/Zotlabs/Module/Photos.php',
'Zotlabs\\Module\\Ping' => $baseDir . '/Zotlabs/Module/Ping.php',
@@ -525,7 +533,6 @@ return array(
'Zotlabs\\Module\\Removeme' => $baseDir . '/Zotlabs/Module/Removeme.php',
'Zotlabs\\Module\\Rmagic' => $baseDir . '/Zotlabs/Module/Rmagic.php',
'Zotlabs\\Module\\Rpost' => $baseDir . '/Zotlabs/Module/Rpost.php',
- 'Zotlabs\\Module\\Rsd_xml' => $baseDir . '/Zotlabs/Module/Rsd_xml.php',
'Zotlabs\\Module\\Search' => $baseDir . '/Zotlabs/Module/Search.php',
'Zotlabs\\Module\\Search_ac' => $baseDir . '/Zotlabs/Module/Search_ac.php',
'Zotlabs\\Module\\Service_limits' => $baseDir . '/Zotlabs/Module/Service_limits.php',
@@ -536,6 +543,7 @@ return array(
'Zotlabs\\Module\\Settings\\Featured' => $baseDir . '/Zotlabs/Module/Settings/Featured.php',
'Zotlabs\\Module\\Settings\\Features' => $baseDir . '/Zotlabs/Module/Settings/Features.php',
'Zotlabs\\Module\\Settings\\Oauth' => $baseDir . '/Zotlabs/Module/Settings/Oauth.php',
+ 'Zotlabs\\Module\\Settings\\Permcats' => $baseDir . '/Zotlabs/Module/Settings/Permcats.php',
'Zotlabs\\Module\\Settings\\Tokens' => $baseDir . '/Zotlabs/Module/Settings/Tokens.php',
'Zotlabs\\Module\\Setup' => $baseDir . '/Zotlabs/Module/Setup.php',
'Zotlabs\\Module\\Share' => $baseDir . '/Zotlabs/Module/Share.php',
@@ -596,6 +604,7 @@ return array(
'Zotlabs\\Text\\Tagadelic' => $baseDir . '/Zotlabs/Text/Tagadelic.php',
'Zotlabs\\Web\\CheckJS' => $baseDir . '/Zotlabs/Web/CheckJS.php',
'Zotlabs\\Web\\Controller' => $baseDir . '/Zotlabs/Web/Controller.php',
+ 'Zotlabs\\Web\\HTTPHeaders' => $baseDir . '/Zotlabs/Web/HTTPHeaders.php',
'Zotlabs\\Web\\HttpMeta' => $baseDir . '/Zotlabs/Web/HttpMeta.php',
'Zotlabs\\Web\\Router' => $baseDir . '/Zotlabs/Web/Router.php',
'Zotlabs\\Web\\Session' => $baseDir . '/Zotlabs/Web/Session.php',
diff --git a/vendor/composer/autoload_namespaces.php b/vendor/composer/autoload_namespaces.php
index b7fc0125d..01914946c 100644
--- a/vendor/composer/autoload_namespaces.php
+++ b/vendor/composer/autoload_namespaces.php
@@ -6,4 +6,5 @@ $vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);
return array(
+ 'Michelf' => array($vendorDir . '/michelf/php-markdown'),
);
diff --git a/vendor/composer/autoload_real.php b/vendor/composer/autoload_real.php
index 24b45085d..bcae78e29 100644
--- a/vendor/composer/autoload_real.php
+++ b/vendor/composer/autoload_real.php
@@ -23,7 +23,7 @@ class ComposerAutoloaderInit7b34d7e50a62201ec5d5e526a5b8b35d
self::$loader = $loader = new \Composer\Autoload\ClassLoader();
spl_autoload_unregister(array('ComposerAutoloaderInit7b34d7e50a62201ec5d5e526a5b8b35d', 'loadClassLoader'));
- $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION');
+ $useStaticLoader = PHP_VERSION_ID >= 50600 && !defined('HHVM_VERSION') && (!function_exists('zend_loader_file_encoded') || !zend_loader_file_encoded());
if ($useStaticLoader) {
require_once __DIR__ . '/autoload_static.php';
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 7f2551665..070595527 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -94,8 +94,21 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
),
);
+ public static $prefixesPsr0 = array (
+ 'M' =>
+ array (
+ 'Michelf' =>
+ array (
+ 0 => __DIR__ . '/..' . '/michelf/php-markdown',
+ ),
+ ),
+ );
+
public static $classMap = array (
'Hubzilla\\Import\\Import' => __DIR__ . '/../..' . '/include/Import/Importer.php',
+ 'Michelf\\Markdown' => __DIR__ . '/..' . '/michelf/php-markdown/Michelf/Markdown.php',
+ 'Michelf\\MarkdownExtra' => __DIR__ . '/..' . '/michelf/php-markdown/Michelf/MarkdownExtra.php',
+ 'Michelf\\MarkdownInterface' => __DIR__ . '/..' . '/michelf/php-markdown/Michelf/MarkdownInterface.php',
'Psr\\Log\\AbstractLogger' => __DIR__ . '/..' . '/psr/log/Psr/Log/AbstractLogger.php',
'Psr\\Log\\InvalidArgumentException' => __DIR__ . '/..' . '/psr/log/Psr/Log/InvalidArgumentException.php',
'Psr\\Log\\LogLevel' => __DIR__ . '/..' . '/psr/log/Psr/Log/LogLevel.php',
@@ -354,6 +367,7 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Sabre\\HTTP\\URLUtil' => __DIR__ . '/..' . '/sabre/http/lib/URLUtil.php',
'Sabre\\HTTP\\Util' => __DIR__ . '/..' . '/sabre/http/lib/Util.php',
'Sabre\\HTTP\\Version' => __DIR__ . '/..' . '/sabre/http/lib/Version.php',
+ 'Sabre\\Uri\\InvalidUriException' => __DIR__ . '/..' . '/sabre/uri/lib/InvalidUriException.php',
'Sabre\\Uri\\Version' => __DIR__ . '/..' . '/sabre/uri/lib/Version.php',
'Sabre\\VObject\\BirthdayCalendarGenerator' => __DIR__ . '/..' . '/sabre/vobject/lib/BirthdayCalendarGenerator.php',
'Sabre\\VObject\\Cli' => __DIR__ . '/..' . '/sabre/vobject/lib/Cli.php',
@@ -446,6 +460,7 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Access\\PermissionLimits' => __DIR__ . '/../..' . '/Zotlabs/Access/PermissionLimits.php',
'Zotlabs\\Access\\PermissionRoles' => __DIR__ . '/../..' . '/Zotlabs/Access/PermissionRoles.php',
'Zotlabs\\Access\\Permissions' => __DIR__ . '/../..' . '/Zotlabs/Access/Permissions.php',
+ 'Zotlabs\\Daemon\\Addon' => __DIR__ . '/../..' . '/Zotlabs/Daemon/Addon.php',
'Zotlabs\\Daemon\\Checksites' => __DIR__ . '/../..' . '/Zotlabs/Daemon/Checksites.php',
'Zotlabs\\Daemon\\Cli_suggest' => __DIR__ . '/../..' . '/Zotlabs/Daemon/Cli_suggest.php',
'Zotlabs\\Daemon\\Cron' => __DIR__ . '/../..' . '/Zotlabs/Daemon/Cron.php',
@@ -480,7 +495,10 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Lib\\Enotify' => __DIR__ . '/../..' . '/Zotlabs/Lib/Enotify.php',
'Zotlabs\\Lib\\ExtendedZip' => __DIR__ . '/../..' . '/Zotlabs/Lib/ExtendedZip.php',
'Zotlabs\\Lib\\IConfig' => __DIR__ . '/../..' . '/Zotlabs/Lib/IConfig.php',
+ 'Zotlabs\\Lib\\NativeWiki' => __DIR__ . '/../..' . '/Zotlabs/Lib/NativeWiki.php',
+ 'Zotlabs\\Lib\\NativeWikiPage' => __DIR__ . '/../..' . '/Zotlabs/Lib/NativeWikiPage.php',
'Zotlabs\\Lib\\PConfig' => __DIR__ . '/../..' . '/Zotlabs/Lib/PConfig.php',
+ 'Zotlabs\\Lib\\Permcat' => __DIR__ . '/../..' . '/Zotlabs/Lib/Permcat.php',
'Zotlabs\\Lib\\PermissionDescription' => __DIR__ . '/../..' . '/Zotlabs/Lib/PermissionDescription.php',
'Zotlabs\\Lib\\ProtoDriver' => __DIR__ . '/../..' . '/Zotlabs/Lib/ProtoDriver.php',
'Zotlabs\\Lib\\SuperCurl' => __DIR__ . '/../..' . '/Zotlabs/Lib/SuperCurl.php',
@@ -539,7 +557,6 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Module\\Events' => __DIR__ . '/../..' . '/Zotlabs/Module/Events.php',
'Zotlabs\\Module\\Fbrowser' => __DIR__ . '/../..' . '/Zotlabs/Module/Fbrowser.php',
'Zotlabs\\Module\\Feed' => __DIR__ . '/../..' . '/Zotlabs/Module/Feed.php',
- 'Zotlabs\\Module\\Ffsapi' => __DIR__ . '/../..' . '/Zotlabs/Module/Ffsapi.php',
'Zotlabs\\Module\\Fhublocs' => __DIR__ . '/../..' . '/Zotlabs/Module/Fhublocs.php',
'Zotlabs\\Module\\File_upload' => __DIR__ . '/../..' . '/Zotlabs/Module/File_upload.php',
'Zotlabs\\Module\\Filer' => __DIR__ . '/../..' . '/Zotlabs/Module/Filer.php',
@@ -568,7 +585,6 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Module\\Magic' => __DIR__ . '/../..' . '/Zotlabs/Module/Magic.php',
'Zotlabs\\Module\\Mail' => __DIR__ . '/../..' . '/Zotlabs/Module/Mail.php',
'Zotlabs\\Module\\Manage' => __DIR__ . '/../..' . '/Zotlabs/Module/Manage.php',
- 'Zotlabs\\Module\\Match' => __DIR__ . '/../..' . '/Zotlabs/Module/Match.php',
'Zotlabs\\Module\\Menu' => __DIR__ . '/../..' . '/Zotlabs/Module/Menu.php',
'Zotlabs\\Module\\Message' => __DIR__ . '/../..' . '/Zotlabs/Module/Message.php',
'Zotlabs\\Module\\Mitem' => __DIR__ . '/../..' . '/Zotlabs/Module/Mitem.php',
@@ -583,10 +599,10 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Module\\Oep' => __DIR__ . '/../..' . '/Zotlabs/Module/Oep.php',
'Zotlabs\\Module\\Oexchange' => __DIR__ . '/../..' . '/Zotlabs/Module/Oexchange.php',
'Zotlabs\\Module\\Online' => __DIR__ . '/../..' . '/Zotlabs/Module/Online.php',
- 'Zotlabs\\Module\\Opensearch' => __DIR__ . '/../..' . '/Zotlabs/Module/Opensearch.php',
'Zotlabs\\Module\\Page' => __DIR__ . '/../..' . '/Zotlabs/Module/Page.php',
'Zotlabs\\Module\\Pconfig' => __DIR__ . '/../..' . '/Zotlabs/Module/Pconfig.php',
'Zotlabs\\Module\\Pdledit' => __DIR__ . '/../..' . '/Zotlabs/Module/Pdledit.php',
+ 'Zotlabs\\Module\\Permcat' => __DIR__ . '/../..' . '/Zotlabs/Module/Permcat.php',
'Zotlabs\\Module\\Photo' => __DIR__ . '/../..' . '/Zotlabs/Module/Photo.php',
'Zotlabs\\Module\\Photos' => __DIR__ . '/../..' . '/Zotlabs/Module/Photos.php',
'Zotlabs\\Module\\Ping' => __DIR__ . '/../..' . '/Zotlabs/Module/Ping.php',
@@ -616,7 +632,6 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Module\\Removeme' => __DIR__ . '/../..' . '/Zotlabs/Module/Removeme.php',
'Zotlabs\\Module\\Rmagic' => __DIR__ . '/../..' . '/Zotlabs/Module/Rmagic.php',
'Zotlabs\\Module\\Rpost' => __DIR__ . '/../..' . '/Zotlabs/Module/Rpost.php',
- 'Zotlabs\\Module\\Rsd_xml' => __DIR__ . '/../..' . '/Zotlabs/Module/Rsd_xml.php',
'Zotlabs\\Module\\Search' => __DIR__ . '/../..' . '/Zotlabs/Module/Search.php',
'Zotlabs\\Module\\Search_ac' => __DIR__ . '/../..' . '/Zotlabs/Module/Search_ac.php',
'Zotlabs\\Module\\Service_limits' => __DIR__ . '/../..' . '/Zotlabs/Module/Service_limits.php',
@@ -627,6 +642,7 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Module\\Settings\\Featured' => __DIR__ . '/../..' . '/Zotlabs/Module/Settings/Featured.php',
'Zotlabs\\Module\\Settings\\Features' => __DIR__ . '/../..' . '/Zotlabs/Module/Settings/Features.php',
'Zotlabs\\Module\\Settings\\Oauth' => __DIR__ . '/../..' . '/Zotlabs/Module/Settings/Oauth.php',
+ 'Zotlabs\\Module\\Settings\\Permcats' => __DIR__ . '/../..' . '/Zotlabs/Module/Settings/Permcats.php',
'Zotlabs\\Module\\Settings\\Tokens' => __DIR__ . '/../..' . '/Zotlabs/Module/Settings/Tokens.php',
'Zotlabs\\Module\\Setup' => __DIR__ . '/../..' . '/Zotlabs/Module/Setup.php',
'Zotlabs\\Module\\Share' => __DIR__ . '/../..' . '/Zotlabs/Module/Share.php',
@@ -687,6 +703,7 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
'Zotlabs\\Text\\Tagadelic' => __DIR__ . '/../..' . '/Zotlabs/Text/Tagadelic.php',
'Zotlabs\\Web\\CheckJS' => __DIR__ . '/../..' . '/Zotlabs/Web/CheckJS.php',
'Zotlabs\\Web\\Controller' => __DIR__ . '/../..' . '/Zotlabs/Web/Controller.php',
+ 'Zotlabs\\Web\\HTTPHeaders' => __DIR__ . '/../..' . '/Zotlabs/Web/HTTPHeaders.php',
'Zotlabs\\Web\\HttpMeta' => __DIR__ . '/../..' . '/Zotlabs/Web/HttpMeta.php',
'Zotlabs\\Web\\Router' => __DIR__ . '/../..' . '/Zotlabs/Web/Router.php',
'Zotlabs\\Web\\Session' => __DIR__ . '/../..' . '/Zotlabs/Web/Session.php',
@@ -707,6 +724,7 @@ class ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d
return \Closure::bind(function () use ($loader) {
$loader->prefixLengthsPsr4 = ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d::$prefixLengthsPsr4;
$loader->prefixDirsPsr4 = ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d::$prefixDirsPsr4;
+ $loader->prefixesPsr0 = ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d::$prefixesPsr0;
$loader->classMap = ComposerStaticInit7b34d7e50a62201ec5d5e526a5b8b35d::$classMap;
}, null, ClassLoader::class);
diff --git a/vendor/composer/installed.json b/vendor/composer/installed.json
index 88acfc40c..73827081f 100644
--- a/vendor/composer/installed.json
+++ b/vendor/composer/installed.json
@@ -21,7 +21,7 @@
"phpunit/phpunit": "*",
"sabre/cs": "~0.0.1"
},
- "time": "2016-03-08 02:29:27",
+ "time": "2016-03-08T02:29:27+00:00",
"type": "library",
"installation-source": "dist",
"autoload": {
@@ -79,7 +79,7 @@
"suggest": {
"hoa/bench": "If you would like to run the benchmark scripts"
},
- "time": "2016-07-15 19:52:17",
+ "time": "2016-07-15T19:52:17+00:00",
"bin": [
"bin/vobject",
"bin/generate_vcards"
@@ -173,7 +173,7 @@
"phpunit/phpunit": "*",
"sabre/cs": "~0.0.4"
},
- "time": "2015-11-05 20:14:39",
+ "time": "2015-11-05T20:14:39+00:00",
"type": "library",
"installation-source": "dist",
"autoload": {
@@ -238,7 +238,7 @@
"suggest": {
"ext-curl": " to make http requests with the Client class"
},
- "time": "2016-01-06 23:00:08",
+ "time": "2016-01-06T23:00:08+00:00",
"type": "library",
"installation-source": "dist",
"autoload": {
@@ -310,7 +310,7 @@
"ext-curl": "*",
"ext-pdo": "*"
},
- "time": "2016-06-28 02:44:05",
+ "time": "2016-06-28T02:44:05+00:00",
"bin": [
"bin/sabredav",
"bin/naturalselection"
@@ -379,7 +379,7 @@
"phpunit/phpunit": "*",
"sabre/cs": "~1.0.0"
},
- "time": "2016-10-09 22:57:52",
+ "time": "2016-10-09T22:57:52+00:00",
"type": "library",
"installation-source": "dist",
"autoload": {
@@ -435,7 +435,7 @@
"require": {
"php": ">=5.3.0"
},
- "time": "2016-10-10 12:19:37",
+ "time": "2016-10-10T12:19:37+00:00",
"type": "library",
"extra": {
"branch-alias": {
@@ -465,5 +465,58 @@
"psr",
"psr-3"
]
+ },
+ {
+ "name": "michelf/php-markdown",
+ "version": "1.7.0",
+ "version_normalized": "1.7.0.0",
+ "source": {
+ "type": "git",
+ "url": "https://github.com/michelf/php-markdown.git",
+ "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220"
+ },
+ "dist": {
+ "type": "zip",
+ "url": "https://api.github.com/repos/michelf/php-markdown/zipball/1f51cc520948f66cd2af8cbc45a5ee175e774220",
+ "reference": "1f51cc520948f66cd2af8cbc45a5ee175e774220",
+ "shasum": ""
+ },
+ "require": {
+ "php": ">=5.3.0"
+ },
+ "time": "2016-10-29T18:58:20+00:00",
+ "type": "library",
+ "extra": {
+ "branch-alias": {
+ "dev-lib": "1.4.x-dev"
+ }
+ },
+ "installation-source": "dist",
+ "autoload": {
+ "psr-0": {
+ "Michelf": ""
+ }
+ },
+ "notification-url": "https://packagist.org/downloads/",
+ "license": [
+ "BSD-3-Clause"
+ ],
+ "authors": [
+ {
+ "name": "Michel Fortin",
+ "email": "michel.fortin@michelf.ca",
+ "homepage": "https://michelf.ca/",
+ "role": "Developer"
+ },
+ {
+ "name": "John Gruber",
+ "homepage": "https://daringfireball.net/"
+ }
+ ],
+ "description": "PHP Markdown",
+ "homepage": "https://michelf.ca/projects/php-markdown/",
+ "keywords": [
+ "markdown"
+ ]
}
]
diff --git a/vendor/michelf/php-markdown/License.md b/vendor/michelf/php-markdown/License.md
new file mode 100644
index 000000000..c16197b69
--- /dev/null
+++ b/vendor/michelf/php-markdown/License.md
@@ -0,0 +1,36 @@
+PHP Markdown Lib
+Copyright (c) 2004-2016 Michel Fortin
+<https://michelf.ca/>
+All rights reserved.
+
+Based on Markdown
+Copyright (c) 2003-2006 John Gruber
+<https://daringfireball.net/>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name "Markdown" nor the names of its contributors may
+ be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+This software is provided by the copyright holders and contributors "as
+is" and any express or implied warranties, including, but not limited
+to, the implied warranties of merchantability and fitness for a
+particular purpose are disclaimed. In no event shall the copyright owner
+or contributors be liable for any direct, indirect, incidental, special,
+exemplary, or consequential damages (including, but not limited to,
+procurement of substitute goods or services; loss of use, data, or
+profits; or business interruption) however caused and on any theory of
+liability, whether in contract, strict liability, or tort (including
+negligence or otherwise) arising in any way out of the use of this
+software, even if advised of the possibility of such damage.
diff --git a/vendor/michelf/php-markdown/Michelf/Markdown.inc.php b/vendor/michelf/php-markdown/Michelf/Markdown.inc.php
new file mode 100644
index 000000000..e2bd3808e
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/Markdown.inc.php
@@ -0,0 +1,10 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the Markdown parser.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
+require_once dirname(__FILE__) . '/Markdown.php';
diff --git a/vendor/michelf/php-markdown/Michelf/Markdown.php b/vendor/michelf/php-markdown/Michelf/Markdown.php
new file mode 100644
index 000000000..c3eaf4464
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/Markdown.php
@@ -0,0 +1,1896 @@
+<?php
+/**
+ * Markdown - A text-to-HTML conversion tool for web writers
+ *
+ * @package php-markdown
+ * @author Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Parser Class
+ */
+class Markdown implements MarkdownInterface {
+ /**
+ * Define the package version
+ * @var string
+ */
+ const MARKDOWNLIB_VERSION = "1.7.0";
+
+ /**
+ * Simple function interface - Initialize the parser and return the result
+ * of its transform method. This will work fine for derived classes too.
+ *
+ * @api
+ *
+ * @param string $text
+ * @return string
+ */
+ public static function defaultTransform($text) {
+ // Take parser class on which this function was called.
+ $parser_class = \get_called_class();
+
+ // Try to take parser from the static parser list
+ static $parser_list;
+ $parser =& $parser_list[$parser_class];
+
+ // Create the parser it not already set
+ if (!$parser) {
+ $parser = new $parser_class;
+ }
+
+ // Transform text using parser.
+ return $parser->transform($text);
+ }
+
+ /**
+ * Configuration variables
+ */
+
+ /**
+ * Change to ">" for HTML output.
+ * @var string
+ */
+ public $empty_element_suffix = " />";
+
+ /**
+ * The width of indentation of the output markup
+ * @var int
+ */
+ public $tab_width = 4;
+
+ /**
+ * Change to `true` to disallow markup or entities.
+ * @var boolean
+ */
+ public $no_markup = false;
+ public $no_entities = false;
+
+
+ /**
+ * Change to `true` to enable line breaks on \n without two trailling spaces
+ * @var boolean
+ */
+ public $hard_wrap = false;
+
+ /**
+ * Predefined URLs and titles for reference links and images.
+ * @var array
+ */
+ public $predef_urls = array();
+ public $predef_titles = array();
+
+ /**
+ * Optional filter function for URLs
+ * @var callable
+ */
+ public $url_filter_func = null;
+
+ /**
+ * Optional header id="" generation callback function.
+ * @var callable
+ */
+ public $header_id_func = null;
+
+ /**
+ * Optional function for converting code block content to HTML
+ * @var callable
+ */
+ public $code_block_content_func = null;
+
+ /**
+ * Optional function for converting code span content to HTML.
+ * @var callable
+ */
+ public $code_span_content_func = null;
+
+ /**
+ * Class attribute to toggle "enhanced ordered list" behaviour
+ * setting this to true will allow ordered lists to start from the index
+ * number that is defined first.
+ *
+ * For example:
+ * 2. List item two
+ * 3. List item three
+ *
+ * Becomes:
+ * <ol start="2">
+ * <li>List item two</li>
+ * <li>List item three</li>
+ * </ol>
+ *
+ * @var bool
+ */
+ public $enhanced_ordered_list = false;
+
+ /**
+ * Parser implementation
+ */
+
+ /**
+ * Regex to match balanced [brackets].
+ * Needed to insert a maximum bracked depth while converting to PHP.
+ * @var int
+ */
+ protected $nested_brackets_depth = 6;
+ protected $nested_brackets_re;
+
+ protected $nested_url_parenthesis_depth = 4;
+ protected $nested_url_parenthesis_re;
+
+ /**
+ * Table of hash values for escaped characters:
+ * @var string
+ */
+ protected $escape_chars = '\`*_{}[]()>#+-.!';
+ protected $escape_chars_re;
+
+ /**
+ * Constructor function. Initialize appropriate member variables.
+ * @return void
+ */
+ public function __construct() {
+ $this->_initDetab();
+ $this->prepareItalicsAndBold();
+
+ $this->nested_brackets_re =
+ str_repeat('(?>[^\[\]]+|\[', $this->nested_brackets_depth).
+ str_repeat('\])*', $this->nested_brackets_depth);
+
+ $this->nested_url_parenthesis_re =
+ str_repeat('(?>[^()\s]+|\(', $this->nested_url_parenthesis_depth).
+ str_repeat('(?>\)))*', $this->nested_url_parenthesis_depth);
+
+ $this->escape_chars_re = '['.preg_quote($this->escape_chars).']';
+
+ // Sort document, block, and span gamut in ascendent priority order.
+ asort($this->document_gamut);
+ asort($this->block_gamut);
+ asort($this->span_gamut);
+ }
+
+
+ /**
+ * Internal hashes used during transformation.
+ * @var array
+ */
+ protected $urls = array();
+ protected $titles = array();
+ protected $html_hashes = array();
+
+ /**
+ * Status flag to avoid invalid nesting.
+ * @var boolean
+ */
+ protected $in_anchor = false;
+
+ /**
+ * Called before the transformation process starts to setup parser states.
+ * @return void
+ */
+ protected function setup() {
+ // Clear global hashes.
+ $this->urls = $this->predef_urls;
+ $this->titles = $this->predef_titles;
+ $this->html_hashes = array();
+ $this->in_anchor = false;
+ }
+
+ /**
+ * Called after the transformation process to clear any variable which may
+ * be taking up memory unnecessarly.
+ * @return void
+ */
+ protected function teardown() {
+ $this->urls = array();
+ $this->titles = array();
+ $this->html_hashes = array();
+ }
+
+ /**
+ * Main function. Performs some preprocessing on the input text and pass
+ * it through the document gamut.
+ *
+ * @api
+ *
+ * @param string $text
+ * @return string
+ */
+ public function transform($text) {
+ $this->setup();
+
+ # Remove UTF-8 BOM and marker character in input, if present.
+ $text = preg_replace('{^\xEF\xBB\xBF|\x1A}', '', $text);
+
+ # Standardize line endings:
+ # DOS to Unix and Mac to Unix
+ $text = preg_replace('{\r\n?}', "\n", $text);
+
+ # Make sure $text ends with a couple of newlines:
+ $text .= "\n\n";
+
+ # Convert all tabs to spaces.
+ $text = $this->detab($text);
+
+ # Turn block-level HTML blocks into hash entries
+ $text = $this->hashHTMLBlocks($text);
+
+ # Strip any lines consisting only of spaces and tabs.
+ # This makes subsequent regexen easier to write, because we can
+ # match consecutive blank lines with /\n+/ instead of something
+ # contorted like /[ ]*\n+/ .
+ $text = preg_replace('/^[ ]+$/m', '', $text);
+
+ # Run document gamut methods.
+ foreach ($this->document_gamut as $method => $priority) {
+ $text = $this->$method($text);
+ }
+
+ $this->teardown();
+
+ return $text . "\n";
+ }
+
+ /**
+ * Define the document gamut
+ * @var array
+ */
+ protected $document_gamut = array(
+ // Strip link definitions, store in hashes.
+ "stripLinkDefinitions" => 20,
+ "runBasicBlockGamut" => 30,
+ );
+
+ /**
+ * Strips link definitions from text, stores the URLs and titles in
+ * hash references
+ * @param string $text
+ * @return string
+ */
+ protected function stripLinkDefinitions($text) {
+
+ $less_than_tab = $this->tab_width - 1;
+
+ // Link defs are in the form: ^[id]: url "optional title"
+ $text = preg_replace_callback('{
+ ^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?: # id = $1
+ [ ]*
+ \n? # maybe *one* newline
+ [ ]*
+ (?:
+ <(.+?)> # url = $2
+ |
+ (\S+?) # url = $3
+ )
+ [ ]*
+ \n? # maybe one newline
+ [ ]*
+ (?:
+ (?<=\s) # lookbehind for whitespace
+ ["(]
+ (.*?) # title = $4
+ [")]
+ [ ]*
+ )? # title is optional
+ (?:\n+|\Z)
+ }xm',
+ array($this, '_stripLinkDefinitions_callback'),
+ $text
+ );
+ return $text;
+ }
+
+ /**
+ * The callback to strip link definitions
+ * @param array $matches
+ * @return string
+ */
+ protected function _stripLinkDefinitions_callback($matches) {
+ $link_id = strtolower($matches[1]);
+ $url = $matches[2] == '' ? $matches[3] : $matches[2];
+ $this->urls[$link_id] = $url;
+ $this->titles[$link_id] =& $matches[4];
+ return ''; // String that will replace the block
+ }
+
+ /**
+ * Hashify HTML blocks
+ * @param string $text
+ * @return string
+ */
+ protected function hashHTMLBlocks($text) {
+ if ($this->no_markup) {
+ return $text;
+ }
+
+ $less_than_tab = $this->tab_width - 1;
+
+ /**
+ * Hashify HTML blocks:
+ *
+ * We only want to do this for block-level HTML tags, such as headers,
+ * lists, and tables. That's because we still want to wrap <p>s around
+ * "paragraphs" that are wrapped in non-block-level tags, such as
+ * anchors, phrase emphasis, and spans. The list of tags we're looking
+ * for is hard-coded:
+ *
+ * * List "a" is made of tags which can be both inline or block-level.
+ * These will be treated block-level when the start tag is alone on
+ * its line, otherwise they're not matched here and will be taken as
+ * inline later.
+ * * List "b" is made of tags which are always block-level;
+ */
+ $block_tags_a_re = 'ins|del';
+ $block_tags_b_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|'.
+ 'script|noscript|style|form|fieldset|iframe|math|svg|'.
+ 'article|section|nav|aside|hgroup|header|footer|'.
+ 'figure';
+
+ // Regular expression for the content of a block tag.
+ $nested_tags_level = 4;
+ $attr = '
+ (?> # optional tag attributes
+ \s # starts with whitespace
+ (?>
+ [^>"/]+ # text outside quotes
+ |
+ /+(?!>) # slash not followed by ">"
+ |
+ "[^"]*" # text inside double quotes (tolerate ">")
+ |
+ \'[^\']*\' # text inside single quotes (tolerate ">")
+ )*
+ )?
+ ';
+ $content =
+ str_repeat('
+ (?>
+ [^<]+ # content without tag
+ |
+ <\2 # nested opening tag
+ '.$attr.' # attributes
+ (?>
+ />
+ |
+ >', $nested_tags_level). // end of opening tag
+ '.*?'. // last level nested tag content
+ str_repeat('
+ </\2\s*> # closing nested tag
+ )
+ |
+ <(?!/\2\s*> # other tags with a different name
+ )
+ )*',
+ $nested_tags_level);
+ $content2 = str_replace('\2', '\3', $content);
+
+ /**
+ * First, look for nested blocks, e.g.:
+ * <div>
+ * <div>
+ * tags for inner block must be indented.
+ * </div>
+ * </div>
+ *
+ * The outermost tags must start at the left margin for this to match,
+ * and the inner nested divs must be indented.
+ * We need to do this before the next, more liberal match, because the
+ * next match will start at the first `<div>` and stop at the
+ * first `</div>`.
+ */
+ $text = preg_replace_callback('{(?>
+ (?>
+ (?<=\n) # Starting on its own line
+ | # or
+ \A\n? # the at beginning of the doc
+ )
+ ( # save in $1
+
+ # Match from `\n<tag>` to `</tag>\n`, handling nested tags
+ # in between.
+
+ [ ]{0,'.$less_than_tab.'}
+ <('.$block_tags_b_re.')# start tag = $2
+ '.$attr.'> # attributes followed by > and \n
+ '.$content.' # content, support nesting
+ </\2> # the matching end tag
+ [ ]* # trailing spaces/tabs
+ (?=\n+|\Z) # followed by a newline or end of document
+
+ | # Special version for tags of group a.
+
+ [ ]{0,'.$less_than_tab.'}
+ <('.$block_tags_a_re.')# start tag = $3
+ '.$attr.'>[ ]*\n # attributes followed by >
+ '.$content2.' # content, support nesting
+ </\3> # the matching end tag
+ [ ]* # trailing spaces/tabs
+ (?=\n+|\Z) # followed by a newline or end of document
+
+ | # Special case just for <hr />. It was easier to make a special
+ # case than to make the other regex more complicated.
+
+ [ ]{0,'.$less_than_tab.'}
+ <(hr) # start tag = $2
+ '.$attr.' # attributes
+ /?> # the matching end tag
+ [ ]*
+ (?=\n{2,}|\Z) # followed by a blank line or end of document
+
+ | # Special case for standalone HTML comments:
+
+ [ ]{0,'.$less_than_tab.'}
+ (?s:
+ <!-- .*? -->
+ )
+ [ ]*
+ (?=\n{2,}|\Z) # followed by a blank line or end of document
+
+ | # PHP and ASP-style processor instructions (<? and <%)
+
+ [ ]{0,'.$less_than_tab.'}
+ (?s:
+ <([?%]) # $2
+ .*?
+ \2>
+ )
+ [ ]*
+ (?=\n{2,}|\Z) # followed by a blank line or end of document
+
+ )
+ )}Sxmi',
+ array($this, '_hashHTMLBlocks_callback'),
+ $text
+ );
+
+ return $text;
+ }
+
+ /**
+ * The callback for hashing HTML blocks
+ * @param string $matches
+ * @return string
+ */
+ protected function _hashHTMLBlocks_callback($matches) {
+ $text = $matches[1];
+ $key = $this->hashBlock($text);
+ return "\n\n$key\n\n";
+ }
+
+ /**
+ * Called whenever a tag must be hashed when a function insert an atomic
+ * element in the text stream. Passing $text to through this function gives
+ * a unique text-token which will be reverted back when calling unhash.
+ *
+ * The $boundary argument specify what character should be used to surround
+ * the token. By convension, "B" is used for block elements that needs not
+ * to be wrapped into paragraph tags at the end, ":" is used for elements
+ * that are word separators and "X" is used in the general case.
+ *
+ * @param string $text
+ * @param string $boundary
+ * @return string
+ */
+ protected function hashPart($text, $boundary = 'X') {
+ // Swap back any tag hash found in $text so we do not have to `unhash`
+ // multiple times at the end.
+ $text = $this->unhash($text);
+
+ // Then hash the block.
+ static $i = 0;
+ $key = "$boundary\x1A" . ++$i . $boundary;
+ $this->html_hashes[$key] = $text;
+ return $key; // String that will replace the tag.
+ }
+
+ /**
+ * Shortcut function for hashPart with block-level boundaries.
+ * @param string $text
+ * @return string
+ */
+ protected function hashBlock($text) {
+ return $this->hashPart($text, 'B');
+ }
+
+ /**
+ * Define the block gamut - these are all the transformations that form
+ * block-level tags like paragraphs, headers, and list items.
+ * @var array
+ */
+ protected $block_gamut = array(
+ "doHeaders" => 10,
+ "doHorizontalRules" => 20,
+ "doLists" => 40,
+ "doCodeBlocks" => 50,
+ "doBlockQuotes" => 60,
+ );
+
+ /**
+ * Run block gamut tranformations.
+ *
+ * We need to escape raw HTML in Markdown source before doing anything
+ * else. This need to be done for each block, and not only at the
+ * begining in the Markdown function since hashed blocks can be part of
+ * list items and could have been indented. Indented blocks would have
+ * been seen as a code block in a previous pass of hashHTMLBlocks.
+ *
+ * @param string $text
+ * @return string
+ */
+ protected function runBlockGamut($text) {
+ $text = $this->hashHTMLBlocks($text);
+ return $this->runBasicBlockGamut($text);
+ }
+
+ /**
+ * Run block gamut tranformations, without hashing HTML blocks. This is
+ * useful when HTML blocks are known to be already hashed, like in the first
+ * whole-document pass.
+ *
+ * @param string $text
+ * @return string
+ */
+ protected function runBasicBlockGamut($text) {
+
+ foreach ($this->block_gamut as $method => $priority) {
+ $text = $this->$method($text);
+ }
+
+ // Finally form paragraph and restore hashed blocks.
+ $text = $this->formParagraphs($text);
+
+ return $text;
+ }
+
+ /**
+ * Convert horizontal rules
+ * @param string $text
+ * @return string
+ */
+ protected function doHorizontalRules($text) {
+ return preg_replace(
+ '{
+ ^[ ]{0,3} # Leading space
+ ([-*_]) # $1: First marker
+ (?> # Repeated marker group
+ [ ]{0,2} # Zero, one, or two spaces.
+ \1 # Marker character
+ ){2,} # Group repeated at least twice
+ [ ]* # Tailing spaces
+ $ # End of line.
+ }mx',
+ "\n".$this->hashBlock("<hr$this->empty_element_suffix")."\n",
+ $text
+ );
+ }
+
+ /**
+ * These are all the transformations that occur *within* block-level
+ * tags like paragraphs, headers, and list items.
+ * @var array
+ */
+ protected $span_gamut = array(
+ // Process character escapes, code spans, and inline HTML
+ // in one shot.
+ "parseSpan" => -30,
+ // Process anchor and image tags. Images must come first,
+ // because ![foo][f] looks like an anchor.
+ "doImages" => 10,
+ "doAnchors" => 20,
+ // Make links out of things like `<https://example.com/>`
+ // Must come after doAnchors, because you can use < and >
+ // delimiters in inline links like [this](<url>).
+ "doAutoLinks" => 30,
+ "encodeAmpsAndAngles" => 40,
+ "doItalicsAndBold" => 50,
+ "doHardBreaks" => 60,
+ );
+
+ /**
+ * Run span gamut transformations
+ * @param string $text
+ * @return string
+ */
+ protected function runSpanGamut($text) {
+ foreach ($this->span_gamut as $method => $priority) {
+ $text = $this->$method($text);
+ }
+
+ return $text;
+ }
+
+ /**
+ * Do hard breaks
+ * @param string $text
+ * @return string
+ */
+ protected function doHardBreaks($text) {
+ if ($this->hard_wrap) {
+ return preg_replace_callback('/ *\n/',
+ array($this, '_doHardBreaks_callback'), $text);
+ } else {
+ return preg_replace_callback('/ {2,}\n/',
+ array($this, '_doHardBreaks_callback'), $text);
+ }
+ }
+
+ /**
+ * Trigger part hashing for the hard break (callback method)
+ * @param array $matches
+ * @return string
+ */
+ protected function _doHardBreaks_callback($matches) {
+ return $this->hashPart("<br$this->empty_element_suffix\n");
+ }
+
+ /**
+ * Turn Markdown link shortcuts into XHTML <a> tags.
+ * @param string $text
+ * @return string
+ */
+ protected function doAnchors($text) {
+ if ($this->in_anchor) {
+ return $text;
+ }
+ $this->in_anchor = true;
+
+ // First, handle reference-style links: [link text] [id]
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ ('.$this->nested_brackets_re.') # link text = $2
+ \]
+
+ [ ]? # one optional space
+ (?:\n[ ]*)? # one optional newline followed by spaces
+
+ \[
+ (.*?) # id = $3
+ \]
+ )
+ }xs',
+ array($this, '_doAnchors_reference_callback'), $text);
+
+ // Next, inline-style links: [link text](url "optional title")
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ ('.$this->nested_brackets_re.') # link text = $2
+ \]
+ \( # literal paren
+ [ \n]*
+ (?:
+ <(.+?)> # href = $3
+ |
+ ('.$this->nested_url_parenthesis_re.') # href = $4
+ )
+ [ \n]*
+ ( # $5
+ ([\'"]) # quote char = $6
+ (.*?) # Title = $7
+ \6 # matching quote
+ [ \n]* # ignore any spaces/tabs between closing quote and )
+ )? # title is optional
+ \)
+ )
+ }xs',
+ array($this, '_doAnchors_inline_callback'), $text);
+
+ // Last, handle reference-style shortcuts: [link text]
+ // These must come last in case you've also got [link text][1]
+ // or [link text](/foo)
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ ([^\[\]]+) # link text = $2; can\'t contain [ or ]
+ \]
+ )
+ }xs',
+ array($this, '_doAnchors_reference_callback'), $text);
+
+ $this->in_anchor = false;
+ return $text;
+ }
+
+ /**
+ * Callback method to parse referenced anchors
+ * @param string $matches
+ * @return string
+ */
+ protected function _doAnchors_reference_callback($matches) {
+ $whole_match = $matches[1];
+ $link_text = $matches[2];
+ $link_id =& $matches[3];
+
+ if ($link_id == "") {
+ // for shortcut links like [this][] or [this].
+ $link_id = $link_text;
+ }
+
+ // lower-case and turn embedded newlines into spaces
+ $link_id = strtolower($link_id);
+ $link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
+
+ if (isset($this->urls[$link_id])) {
+ $url = $this->urls[$link_id];
+ $url = $this->encodeURLAttribute($url);
+
+ $result = "<a href=\"$url\"";
+ if ( isset( $this->titles[$link_id] ) ) {
+ $title = $this->titles[$link_id];
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+
+ $link_text = $this->runSpanGamut($link_text);
+ $result .= ">$link_text</a>";
+ $result = $this->hashPart($result);
+ } else {
+ $result = $whole_match;
+ }
+ return $result;
+ }
+
+ /**
+ * Callback method to parse inline anchors
+ * @param string $matches
+ * @return string
+ */
+ protected function _doAnchors_inline_callback($matches) {
+ $whole_match = $matches[1];
+ $link_text = $this->runSpanGamut($matches[2]);
+ $url = $matches[3] == '' ? $matches[4] : $matches[3];
+ $title =& $matches[7];
+
+ // If the URL was of the form <s p a c e s> it got caught by the HTML
+ // tag parser and hashed. Need to reverse the process before using
+ // the URL.
+ $unhashed = $this->unhash($url);
+ if ($unhashed != $url)
+ $url = preg_replace('/^<(.*)>$/', '\1', $unhashed);
+
+ $url = $this->encodeURLAttribute($url);
+
+ $result = "<a href=\"$url\"";
+ if (isset($title)) {
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+
+ $link_text = $this->runSpanGamut($link_text);
+ $result .= ">$link_text</a>";
+
+ return $this->hashPart($result);
+ }
+
+ /**
+ * Turn Markdown image shortcuts into <img> tags.
+ * @param string $text
+ * @return string
+ */
+ protected function doImages($text) {
+ // First, handle reference-style labeled images: ![alt text][id]
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ !\[
+ ('.$this->nested_brackets_re.') # alt text = $2
+ \]
+
+ [ ]? # one optional space
+ (?:\n[ ]*)? # one optional newline followed by spaces
+
+ \[
+ (.*?) # id = $3
+ \]
+
+ )
+ }xs',
+ array($this, '_doImages_reference_callback'), $text);
+
+ // Next, handle inline images: ![alt text](url "optional title")
+ // Don't forget: encode * and _
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ !\[
+ ('.$this->nested_brackets_re.') # alt text = $2
+ \]
+ \s? # One optional whitespace character
+ \( # literal paren
+ [ \n]*
+ (?:
+ <(\S*)> # src url = $3
+ |
+ ('.$this->nested_url_parenthesis_re.') # src url = $4
+ )
+ [ \n]*
+ ( # $5
+ ([\'"]) # quote char = $6
+ (.*?) # title = $7
+ \6 # matching quote
+ [ \n]*
+ )? # title is optional
+ \)
+ )
+ }xs',
+ array($this, '_doImages_inline_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback to parse references image tags
+ * @param array $matches
+ * @return string
+ */
+ protected function _doImages_reference_callback($matches) {
+ $whole_match = $matches[1];
+ $alt_text = $matches[2];
+ $link_id = strtolower($matches[3]);
+
+ if ($link_id == "") {
+ $link_id = strtolower($alt_text); // for shortcut links like ![this][].
+ }
+
+ $alt_text = $this->encodeAttribute($alt_text);
+ if (isset($this->urls[$link_id])) {
+ $url = $this->encodeURLAttribute($this->urls[$link_id]);
+ $result = "<img src=\"$url\" alt=\"$alt_text\"";
+ if (isset($this->titles[$link_id])) {
+ $title = $this->titles[$link_id];
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+ $result .= $this->empty_element_suffix;
+ $result = $this->hashPart($result);
+ } else {
+ // If there's no such link ID, leave intact:
+ $result = $whole_match;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Callback to parse inline image tags
+ * @param array $matches
+ * @return string
+ */
+ protected function _doImages_inline_callback($matches) {
+ $whole_match = $matches[1];
+ $alt_text = $matches[2];
+ $url = $matches[3] == '' ? $matches[4] : $matches[3];
+ $title =& $matches[7];
+
+ $alt_text = $this->encodeAttribute($alt_text);
+ $url = $this->encodeURLAttribute($url);
+ $result = "<img src=\"$url\" alt=\"$alt_text\"";
+ if (isset($title)) {
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\""; // $title already quoted
+ }
+ $result .= $this->empty_element_suffix;
+
+ return $this->hashPart($result);
+ }
+
+ /**
+ * Parse Markdown heading elements to HTML
+ * @param string $text
+ * @return string
+ */
+ protected function doHeaders($text) {
+ /**
+ * Setext-style headers:
+ * Header 1
+ * ========
+ *
+ * Header 2
+ * --------
+ */
+ $text = preg_replace_callback('{ ^(.+?)[ ]*\n(=+|-+)[ ]*\n+ }mx',
+ array($this, '_doHeaders_callback_setext'), $text);
+
+ /**
+ * atx-style headers:
+ * # Header 1
+ * ## Header 2
+ * ## Header 2 with closing hashes ##
+ * ...
+ * ###### Header 6
+ */
+ $text = preg_replace_callback('{
+ ^(\#{1,6}) # $1 = string of #\'s
+ [ ]*
+ (.+?) # $2 = Header text
+ [ ]*
+ \#* # optional closing #\'s (not counted)
+ \n+
+ }xm',
+ array($this, '_doHeaders_callback_atx'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Setext header parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doHeaders_callback_setext($matches) {
+ // Terrible hack to check we haven't found an empty list item.
+ if ($matches[2] == '-' && preg_match('{^-(?: |$)}', $matches[1])) {
+ return $matches[0];
+ }
+
+ $level = $matches[2]{0} == '=' ? 1 : 2;
+
+ // ID attribute generation
+ $idAtt = $this->_generateIdFromHeaderValue($matches[1]);
+
+ $block = "<h$level$idAtt>".$this->runSpanGamut($matches[1])."</h$level>";
+ return "\n" . $this->hashBlock($block) . "\n\n";
+ }
+
+ /**
+ * ATX header parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doHeaders_callback_atx($matches) {
+ // ID attribute generation
+ $idAtt = $this->_generateIdFromHeaderValue($matches[2]);
+
+ $level = strlen($matches[1]);
+ $block = "<h$level$idAtt>".$this->runSpanGamut($matches[2])."</h$level>";
+ return "\n" . $this->hashBlock($block) . "\n\n";
+ }
+
+ /**
+ * If a header_id_func property is set, we can use it to automatically
+ * generate an id attribute.
+ *
+ * This method returns a string in the form id="foo", or an empty string
+ * otherwise.
+ * @param string $headerValue
+ * @return string
+ */
+ protected function _generateIdFromHeaderValue($headerValue) {
+ if (!is_callable($this->header_id_func)) {
+ return "";
+ }
+
+ $idValue = call_user_func($this->header_id_func, $headerValue);
+ if (!$idValue) {
+ return "";
+ }
+
+ return ' id="' . $this->encodeAttribute($idValue) . '"';
+ }
+
+ /**
+ * Form HTML ordered (numbered) and unordered (bulleted) lists.
+ * @param string $text
+ * @return string
+ */
+ protected function doLists($text) {
+ $less_than_tab = $this->tab_width - 1;
+
+ // Re-usable patterns to match list item bullets and number markers:
+ $marker_ul_re = '[*+-]';
+ $marker_ol_re = '\d+[\.]';
+
+ $markers_relist = array(
+ $marker_ul_re => $marker_ol_re,
+ $marker_ol_re => $marker_ul_re,
+ );
+
+ foreach ($markers_relist as $marker_re => $other_marker_re) {
+ // Re-usable pattern to match any entirel ul or ol list:
+ $whole_list_re = '
+ ( # $1 = whole list
+ ( # $2
+ ([ ]{0,'.$less_than_tab.'}) # $3 = number of spaces
+ ('.$marker_re.') # $4 = first list item marker
+ [ ]+
+ )
+ (?s:.+?)
+ ( # $5
+ \z
+ |
+ \n{2,}
+ (?=\S)
+ (?! # Negative lookahead for another list item marker
+ [ ]*
+ '.$marker_re.'[ ]+
+ )
+ |
+ (?= # Lookahead for another kind of list
+ \n
+ \3 # Must have the same indentation
+ '.$other_marker_re.'[ ]+
+ )
+ )
+ )
+ '; // mx
+
+ // We use a different prefix before nested lists than top-level lists.
+ //See extended comment in _ProcessListItems().
+
+ if ($this->list_level) {
+ $text = preg_replace_callback('{
+ ^
+ '.$whole_list_re.'
+ }mx',
+ array($this, '_doLists_callback'), $text);
+ } else {
+ $text = preg_replace_callback('{
+ (?:(?<=\n)\n|\A\n?) # Must eat the newline
+ '.$whole_list_re.'
+ }mx',
+ array($this, '_doLists_callback'), $text);
+ }
+ }
+
+ return $text;
+ }
+
+ /**
+ * List parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doLists_callback($matches) {
+ // Re-usable patterns to match list item bullets and number markers:
+ $marker_ul_re = '[*+-]';
+ $marker_ol_re = '\d+[\.]';
+ $marker_any_re = "(?:$marker_ul_re|$marker_ol_re)";
+ $marker_ol_start_re = '[0-9]+';
+
+ $list = $matches[1];
+ $list_type = preg_match("/$marker_ul_re/", $matches[4]) ? "ul" : "ol";
+
+ $marker_any_re = ( $list_type == "ul" ? $marker_ul_re : $marker_ol_re );
+
+ $list .= "\n";
+ $result = $this->processListItems($list, $marker_any_re);
+
+ $ol_start = 1;
+ if ($this->enhanced_ordered_list) {
+ // Get the start number for ordered list.
+ if ($list_type == 'ol') {
+ $ol_start_array = array();
+ $ol_start_check = preg_match("/$marker_ol_start_re/", $matches[4], $ol_start_array);
+ if ($ol_start_check){
+ $ol_start = $ol_start_array[0];
+ }
+ }
+ }
+
+ if ($ol_start > 1 && $list_type == 'ol'){
+ $result = $this->hashBlock("<$list_type start=\"$ol_start\">\n" . $result . "</$list_type>");
+ } else {
+ $result = $this->hashBlock("<$list_type>\n" . $result . "</$list_type>");
+ }
+ return "\n". $result ."\n\n";
+ }
+
+ /**
+ * Nesting tracker for list levels
+ * @var integer
+ */
+ protected $list_level = 0;
+
+ /**
+ * Process the contents of a single ordered or unordered list, splitting it
+ * into individual list items.
+ * @param string $list_str
+ * @param string $marker_any_re
+ * @return string
+ */
+ protected function processListItems($list_str, $marker_any_re) {
+ /**
+ * The $this->list_level global keeps track of when we're inside a list.
+ * Each time we enter a list, we increment it; when we leave a list,
+ * we decrement. If it's zero, we're not in a list anymore.
+ *
+ * We do this because when we're not inside a list, we want to treat
+ * something like this:
+ *
+ * I recommend upgrading to version
+ * 8. Oops, now this line is treated
+ * as a sub-list.
+ *
+ * As a single paragraph, despite the fact that the second line starts
+ * with a digit-period-space sequence.
+ *
+ * Whereas when we're inside a list (or sub-list), that line will be
+ * treated as the start of a sub-list. What a kludge, huh? This is
+ * an aspect of Markdown's syntax that's hard to parse perfectly
+ * without resorting to mind-reading. Perhaps the solution is to
+ * change the syntax rules such that sub-lists must start with a
+ * starting cardinal number; e.g. "1." or "a.".
+ */
+ $this->list_level++;
+
+ // Trim trailing blank lines:
+ $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
+
+ $list_str = preg_replace_callback('{
+ (\n)? # leading line = $1
+ (^[ ]*) # leading whitespace = $2
+ ('.$marker_any_re.' # list marker and space = $3
+ (?:[ ]+|(?=\n)) # space only required if item is not empty
+ )
+ ((?s:.*?)) # list item text = $4
+ (?:(\n+(?=\n))|\n) # tailing blank line = $5
+ (?= \n* (\z | \2 ('.$marker_any_re.') (?:[ ]+|(?=\n))))
+ }xm',
+ array($this, '_processListItems_callback'), $list_str);
+
+ $this->list_level--;
+ return $list_str;
+ }
+
+ /**
+ * List item parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _processListItems_callback($matches) {
+ $item = $matches[4];
+ $leading_line =& $matches[1];
+ $leading_space =& $matches[2];
+ $marker_space = $matches[3];
+ $tailing_blank_line =& $matches[5];
+
+ if ($leading_line || $tailing_blank_line ||
+ preg_match('/\n{2,}/', $item))
+ {
+ // Replace marker with the appropriate whitespace indentation
+ $item = $leading_space . str_repeat(' ', strlen($marker_space)) . $item;
+ $item = $this->runBlockGamut($this->outdent($item)."\n");
+ } else {
+ // Recursion for sub-lists:
+ $item = $this->doLists($this->outdent($item));
+ $item = $this->formParagraphs($item, false);
+ }
+
+ return "<li>" . $item . "</li>\n";
+ }
+
+ /**
+ * Process Markdown `<pre><code>` blocks.
+ * @param string $text
+ * @return string
+ */
+ protected function doCodeBlocks($text) {
+ $text = preg_replace_callback('{
+ (?:\n\n|\A\n?)
+ ( # $1 = the code block -- one or more lines, starting with a space/tab
+ (?>
+ [ ]{'.$this->tab_width.'} # Lines must start with a tab or a tab-width of spaces
+ .*\n+
+ )+
+ )
+ ((?=^[ ]{0,'.$this->tab_width.'}\S)|\Z) # Lookahead for non-space at line-start, or end of doc
+ }xm',
+ array($this, '_doCodeBlocks_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Code block parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doCodeBlocks_callback($matches) {
+ $codeblock = $matches[1];
+
+ $codeblock = $this->outdent($codeblock);
+ if ($this->code_block_content_func) {
+ $codeblock = call_user_func($this->code_block_content_func, $codeblock, "");
+ } else {
+ $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+ }
+
+ # trim leading newlines and trailing newlines
+ $codeblock = preg_replace('/\A\n+|\n+\z/', '', $codeblock);
+
+ $codeblock = "<pre><code>$codeblock\n</code></pre>";
+ return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
+ }
+
+ /**
+ * Create a code span markup for $code. Called from handleSpanToken.
+ * @param string $code
+ * @return string
+ */
+ protected function makeCodeSpan($code) {
+ if ($this->code_span_content_func) {
+ $code = call_user_func($this->code_span_content_func, $code);
+ } else {
+ $code = htmlspecialchars(trim($code), ENT_NOQUOTES);
+ }
+ return $this->hashPart("<code>$code</code>");
+ }
+
+ /**
+ * Define the emphasis operators with their regex matches
+ * @var array
+ */
+ protected $em_relist = array(
+ '' => '(?:(?<!\*)\*(?!\*)|(?<!_)_(?!_))(?![\.,:;]?\s)',
+ '*' => '(?<![\s*])\*(?!\*)',
+ '_' => '(?<![\s_])_(?!_)',
+ );
+
+ /**
+ * Define the strong operators with their regex matches
+ * @var array
+ */
+ protected $strong_relist = array(
+ '' => '(?:(?<!\*)\*\*(?!\*)|(?<!_)__(?!_))(?![\.,:;]?\s)',
+ '**' => '(?<![\s*])\*\*(?!\*)',
+ '__' => '(?<![\s_])__(?!_)',
+ );
+
+ /**
+ * Define the emphasis + strong operators with their regex matches
+ * @var array
+ */
+ protected $em_strong_relist = array(
+ '' => '(?:(?<!\*)\*\*\*(?!\*)|(?<!_)___(?!_))(?![\.,:;]?\s)',
+ '***' => '(?<![\s*])\*\*\*(?!\*)',
+ '___' => '(?<![\s_])___(?!_)',
+ );
+
+ /**
+ * Container for prepared regular expressions
+ * @var array
+ */
+ protected $em_strong_prepared_relist;
+
+ /**
+ * Prepare regular expressions for searching emphasis tokens in any
+ * context.
+ * @return void
+ */
+ protected function prepareItalicsAndBold() {
+ foreach ($this->em_relist as $em => $em_re) {
+ foreach ($this->strong_relist as $strong => $strong_re) {
+ // Construct list of allowed token expressions.
+ $token_relist = array();
+ if (isset($this->em_strong_relist["$em$strong"])) {
+ $token_relist[] = $this->em_strong_relist["$em$strong"];
+ }
+ $token_relist[] = $em_re;
+ $token_relist[] = $strong_re;
+
+ // Construct master expression from list.
+ $token_re = '{(' . implode('|', $token_relist) . ')}';
+ $this->em_strong_prepared_relist["$em$strong"] = $token_re;
+ }
+ }
+ }
+
+ /**
+ * Convert Markdown italics (emphasis) and bold (strong) to HTML
+ * @param string $text
+ * @return string
+ */
+ protected function doItalicsAndBold($text) {
+ $token_stack = array('');
+ $text_stack = array('');
+ $em = '';
+ $strong = '';
+ $tree_char_em = false;
+
+ while (1) {
+ // Get prepared regular expression for seraching emphasis tokens
+ // in current context.
+ $token_re = $this->em_strong_prepared_relist["$em$strong"];
+
+ // Each loop iteration search for the next emphasis token.
+ // Each token is then passed to handleSpanToken.
+ $parts = preg_split($token_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
+ $text_stack[0] .= $parts[0];
+ $token =& $parts[1];
+ $text =& $parts[2];
+
+ if (empty($token)) {
+ // Reached end of text span: empty stack without emitting.
+ // any more emphasis.
+ while ($token_stack[0]) {
+ $text_stack[1] .= array_shift($token_stack);
+ $text_stack[0] .= array_shift($text_stack);
+ }
+ break;
+ }
+
+ $token_len = strlen($token);
+ if ($tree_char_em) {
+ // Reached closing marker while inside a three-char emphasis.
+ if ($token_len == 3) {
+ // Three-char closing marker, close em and strong.
+ array_shift($token_stack);
+ $span = array_shift($text_stack);
+ $span = $this->runSpanGamut($span);
+ $span = "<strong><em>$span</em></strong>";
+ $text_stack[0] .= $this->hashPart($span);
+ $em = '';
+ $strong = '';
+ } else {
+ // Other closing marker: close one em or strong and
+ // change current token state to match the other
+ $token_stack[0] = str_repeat($token{0}, 3-$token_len);
+ $tag = $token_len == 2 ? "strong" : "em";
+ $span = $text_stack[0];
+ $span = $this->runSpanGamut($span);
+ $span = "<$tag>$span</$tag>";
+ $text_stack[0] = $this->hashPart($span);
+ $$tag = ''; // $$tag stands for $em or $strong
+ }
+ $tree_char_em = false;
+ } else if ($token_len == 3) {
+ if ($em) {
+ // Reached closing marker for both em and strong.
+ // Closing strong marker:
+ for ($i = 0; $i < 2; ++$i) {
+ $shifted_token = array_shift($token_stack);
+ $tag = strlen($shifted_token) == 2 ? "strong" : "em";
+ $span = array_shift($text_stack);
+ $span = $this->runSpanGamut($span);
+ $span = "<$tag>$span</$tag>";
+ $text_stack[0] .= $this->hashPart($span);
+ $$tag = ''; // $$tag stands for $em or $strong
+ }
+ } else {
+ // Reached opening three-char emphasis marker. Push on token
+ // stack; will be handled by the special condition above.
+ $em = $token{0};
+ $strong = "$em$em";
+ array_unshift($token_stack, $token);
+ array_unshift($text_stack, '');
+ $tree_char_em = true;
+ }
+ } else if ($token_len == 2) {
+ if ($strong) {
+ // Unwind any dangling emphasis marker:
+ if (strlen($token_stack[0]) == 1) {
+ $text_stack[1] .= array_shift($token_stack);
+ $text_stack[0] .= array_shift($text_stack);
+ }
+ // Closing strong marker:
+ array_shift($token_stack);
+ $span = array_shift($text_stack);
+ $span = $this->runSpanGamut($span);
+ $span = "<strong>$span</strong>";
+ $text_stack[0] .= $this->hashPart($span);
+ $strong = '';
+ } else {
+ array_unshift($token_stack, $token);
+ array_unshift($text_stack, '');
+ $strong = $token;
+ }
+ } else {
+ // Here $token_len == 1
+ if ($em) {
+ if (strlen($token_stack[0]) == 1) {
+ // Closing emphasis marker:
+ array_shift($token_stack);
+ $span = array_shift($text_stack);
+ $span = $this->runSpanGamut($span);
+ $span = "<em>$span</em>";
+ $text_stack[0] .= $this->hashPart($span);
+ $em = '';
+ } else {
+ $text_stack[0] .= $token;
+ }
+ } else {
+ array_unshift($token_stack, $token);
+ array_unshift($text_stack, '');
+ $em = $token;
+ }
+ }
+ }
+ return $text_stack[0];
+ }
+
+ /**
+ * Parse Markdown blockquotes to HTML
+ * @param string $text
+ * @return string
+ */
+ protected function doBlockQuotes($text) {
+ $text = preg_replace_callback('/
+ ( # Wrap whole match in $1
+ (?>
+ ^[ ]*>[ ]? # ">" at the start of a line
+ .+\n # rest of the first line
+ (.+\n)* # subsequent consecutive lines
+ \n* # blanks
+ )+
+ )
+ /xm',
+ array($this, '_doBlockQuotes_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Blockquote parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doBlockQuotes_callback($matches) {
+ $bq = $matches[1];
+ // trim one level of quoting - trim whitespace-only lines
+ $bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
+ $bq = $this->runBlockGamut($bq); // recurse
+
+ $bq = preg_replace('/^/m', " ", $bq);
+ // These leading spaces cause problem with <pre> content,
+ // so we need to fix that:
+ $bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx',
+ array($this, '_doBlockQuotes_callback2'), $bq);
+
+ return "\n" . $this->hashBlock("<blockquote>\n$bq\n</blockquote>") . "\n\n";
+ }
+
+ /**
+ * Blockquote parsing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doBlockQuotes_callback2($matches) {
+ $pre = $matches[1];
+ $pre = preg_replace('/^ /m', '', $pre);
+ return $pre;
+ }
+
+ /**
+ * Parse paragraphs
+ *
+ * @param string $text String to process in paragraphs
+ * @param boolean $wrap_in_p Whether paragraphs should be wrapped in <p> tags
+ * @return string
+ */
+ protected function formParagraphs($text, $wrap_in_p = true) {
+ // Strip leading and trailing lines:
+ $text = preg_replace('/\A\n+|\n+\z/', '', $text);
+
+ $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
+
+ // Wrap <p> tags and unhashify HTML blocks
+ foreach ($grafs as $key => $value) {
+ if (!preg_match('/^B\x1A[0-9]+B$/', $value)) {
+ // Is a paragraph.
+ $value = $this->runSpanGamut($value);
+ if ($wrap_in_p) {
+ $value = preg_replace('/^([ ]*)/', "<p>", $value);
+ $value .= "</p>";
+ }
+ $grafs[$key] = $this->unhash($value);
+ } else {
+ // Is a block.
+ // Modify elements of @grafs in-place...
+ $graf = $value;
+ $block = $this->html_hashes[$graf];
+ $graf = $block;
+// if (preg_match('{
+// \A
+// ( # $1 = <div> tag
+// <div \s+
+// [^>]*
+// \b
+// markdown\s*=\s* ([\'"]) # $2 = attr quote char
+// 1
+// \2
+// [^>]*
+// >
+// )
+// ( # $3 = contents
+// .*
+// )
+// (</div>) # $4 = closing tag
+// \z
+// }xs', $block, $matches))
+// {
+// list(, $div_open, , $div_content, $div_close) = $matches;
+//
+// // We can't call Markdown(), because that resets the hash;
+// // that initialization code should be pulled into its own sub, though.
+// $div_content = $this->hashHTMLBlocks($div_content);
+//
+// // Run document gamut methods on the content.
+// foreach ($this->document_gamut as $method => $priority) {
+// $div_content = $this->$method($div_content);
+// }
+//
+// $div_open = preg_replace(
+// '{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
+//
+// $graf = $div_open . "\n" . $div_content . "\n" . $div_close;
+// }
+ $grafs[$key] = $graf;
+ }
+ }
+
+ return implode("\n\n", $grafs);
+ }
+
+ /**
+ * Encode text for a double-quoted HTML attribute. This function
+ * is *not* suitable for attributes enclosed in single quotes.
+ * @param string $text
+ * @return string
+ */
+ protected function encodeAttribute($text) {
+ $text = $this->encodeAmpsAndAngles($text);
+ $text = str_replace('"', '&quot;', $text);
+ return $text;
+ }
+
+ /**
+ * Encode text for a double-quoted HTML attribute containing a URL,
+ * applying the URL filter if set. Also generates the textual
+ * representation for the URL (removing mailto: or tel:) storing it in $text.
+ * This function is *not* suitable for attributes enclosed in single quotes.
+ *
+ * @param string $url
+ * @param string &$text Passed by reference
+ * @return string URL
+ */
+ protected function encodeURLAttribute($url, &$text = null) {
+ if ($this->url_filter_func) {
+ $url = call_user_func($this->url_filter_func, $url);
+ }
+
+ if (preg_match('{^mailto:}i', $url)) {
+ $url = $this->encodeEntityObfuscatedAttribute($url, $text, 7);
+ } else if (preg_match('{^tel:}i', $url)) {
+ $url = $this->encodeAttribute($url);
+ $text = substr($url, 4);
+ } else {
+ $url = $this->encodeAttribute($url);
+ $text = $url;
+ }
+
+ return $url;
+ }
+
+ /**
+ * Smart processing for ampersands and angle brackets that need to
+ * be encoded. Valid character entities are left alone unless the
+ * no-entities mode is set.
+ * @param string $text
+ * @return string
+ */
+ protected function encodeAmpsAndAngles($text) {
+ if ($this->no_entities) {
+ $text = str_replace('&', '&amp;', $text);
+ } else {
+ // Ampersand-encoding based entirely on Nat Irons's Amputator
+ // MT plugin: <http://bumppo.net/projects/amputator/>
+ $text = preg_replace('/&(?!#?[xX]?(?:[0-9a-fA-F]+|\w+);)/',
+ '&amp;', $text);
+ }
+ // Encode remaining <'s
+ $text = str_replace('<', '&lt;', $text);
+
+ return $text;
+ }
+
+ /**
+ * Parse Markdown automatic links to anchor HTML tags
+ * @param string $text
+ * @return string
+ */
+ protected function doAutoLinks($text) {
+ $text = preg_replace_callback('{<((https?|ftp|dict|tel):[^\'">\s]+)>}i',
+ array($this, '_doAutoLinks_url_callback'), $text);
+
+ // Email addresses: <address@domain.foo>
+ $text = preg_replace_callback('{
+ <
+ (?:mailto:)?
+ (
+ (?:
+ [-!#$%&\'*+/=?^_`.{|}~\w\x80-\xFF]+
+ |
+ ".*?"
+ )
+ \@
+ (?:
+ [-a-z0-9\x80-\xFF]+(\.[-a-z0-9\x80-\xFF]+)*\.[a-z]+
+ |
+ \[[\d.a-fA-F:]+\] # IPv4 & IPv6
+ )
+ )
+ >
+ }xi',
+ array($this, '_doAutoLinks_email_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Parse URL callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doAutoLinks_url_callback($matches) {
+ $url = $this->encodeURLAttribute($matches[1], $text);
+ $link = "<a href=\"$url\">$text</a>";
+ return $this->hashPart($link);
+ }
+
+ /**
+ * Parse email address callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _doAutoLinks_email_callback($matches) {
+ $addr = $matches[1];
+ $url = $this->encodeURLAttribute("mailto:$addr", $text);
+ $link = "<a href=\"$url\">$text</a>";
+ return $this->hashPart($link);
+ }
+
+ /**
+ * Input: some text to obfuscate, e.g. "mailto:foo@example.com"
+ *
+ * Output: the same text but with most characters encoded as either a
+ * decimal or hex entity, in the hopes of foiling most address
+ * harvesting spam bots. E.g.:
+ *
+ * &#109;&#x61;&#105;&#x6c;&#116;&#x6f;&#58;&#x66;o&#111;
+ * &#x40;&#101;&#x78;&#97;&#x6d;&#112;&#x6c;&#101;&#46;&#x63;&#111;
+ * &#x6d;
+ *
+ * Note: the additional output $tail is assigned the same value as the
+ * ouput, minus the number of characters specified by $head_length.
+ *
+ * Based by a filter by Matthew Wickline, posted to BBEdit-Talk.
+ * With some optimizations by Milian Wolff. Forced encoding of HTML
+ * attribute special characters by Allan Odgaard.
+ *
+ * @param string $text
+ * @param string &$tail
+ * @param integer $head_length
+ * @return string
+ */
+ protected function encodeEntityObfuscatedAttribute($text, &$tail = null, $head_length = 0) {
+ if ($text == "") {
+ return $tail = "";
+ }
+
+ $chars = preg_split('/(?<!^)(?!$)/', $text);
+ $seed = (int)abs(crc32($text) / strlen($text)); // Deterministic seed.
+
+ foreach ($chars as $key => $char) {
+ $ord = ord($char);
+ // Ignore non-ascii chars.
+ if ($ord < 128) {
+ $r = ($seed * (1 + $key)) % 100; // Pseudo-random function.
+ // roughly 10% raw, 45% hex, 45% dec
+ // '@' *must* be encoded. I insist.
+ // '"' and '>' have to be encoded inside the attribute
+ if ($r > 90 && strpos('@"&>', $char) === false) {
+ /* do nothing */
+ } else if ($r < 45) {
+ $chars[$key] = '&#x'.dechex($ord).';';
+ } else {
+ $chars[$key] = '&#'.$ord.';';
+ }
+ }
+ }
+
+ $text = implode('', $chars);
+ $tail = $head_length ? implode('', array_slice($chars, $head_length)) : $text;
+
+ return $text;
+ }
+
+ /**
+ * Take the string $str and parse it into tokens, hashing embeded HTML,
+ * escaped characters and handling code spans.
+ * @param string $str
+ * @return string
+ */
+ protected function parseSpan($str) {
+ $output = '';
+
+ $span_re = '{
+ (
+ \\\\'.$this->escape_chars_re.'
+ |
+ (?<![`\\\\])
+ `+ # code span marker
+ '.( $this->no_markup ? '' : '
+ |
+ <!-- .*? --> # comment
+ |
+ <\?.*?\?> | <%.*?%> # processing instruction
+ |
+ <[!$]?[-a-zA-Z0-9:_]+ # regular tags
+ (?>
+ \s
+ (?>[^"\'>]+|"[^"]*"|\'[^\']*\')*
+ )?
+ >
+ |
+ <[-a-zA-Z0-9:_]+\s*/> # xml-style empty tag
+ |
+ </[-a-zA-Z0-9:_]+\s*> # closing tag
+ ').'
+ )
+ }xs';
+
+ while (1) {
+ // Each loop iteration seach for either the next tag, the next
+ // openning code span marker, or the next escaped character.
+ // Each token is then passed to handleSpanToken.
+ $parts = preg_split($span_re, $str, 2, PREG_SPLIT_DELIM_CAPTURE);
+
+ // Create token from text preceding tag.
+ if ($parts[0] != "") {
+ $output .= $parts[0];
+ }
+
+ // Check if we reach the end.
+ if (isset($parts[1])) {
+ $output .= $this->handleSpanToken($parts[1], $parts[2]);
+ $str = $parts[2];
+ } else {
+ break;
+ }
+ }
+
+ return $output;
+ }
+
+ /**
+ * Handle $token provided by parseSpan by determining its nature and
+ * returning the corresponding value that should replace it.
+ * @param string $token
+ * @param string &$str
+ * @return string
+ */
+ protected function handleSpanToken($token, &$str) {
+ switch ($token{0}) {
+ case "\\":
+ return $this->hashPart("&#". ord($token{1}). ";");
+ case "`":
+ // Search for end marker in remaining text.
+ if (preg_match('/^(.*?[^`])'.preg_quote($token).'(?!`)(.*)$/sm',
+ $str, $matches))
+ {
+ $str = $matches[2];
+ $codespan = $this->makeCodeSpan($matches[1]);
+ return $this->hashPart($codespan);
+ }
+ return $token; // Return as text since no ending marker found.
+ default:
+ return $this->hashPart($token);
+ }
+ }
+
+ /**
+ * Remove one level of line-leading tabs or spaces
+ * @param string $text
+ * @return string
+ */
+ protected function outdent($text) {
+ return preg_replace('/^(\t|[ ]{1,' . $this->tab_width . '})/m', '', $text);
+ }
+
+
+ /**
+ * String length function for detab. `_initDetab` will create a function to
+ * handle UTF-8 if the default function does not exist.
+ * @var string
+ */
+ protected $utf8_strlen = 'mb_strlen';
+
+ /**
+ * Replace tabs with the appropriate amount of spaces.
+ *
+ * For each line we separate the line in blocks delemited by tab characters.
+ * Then we reconstruct every line by adding the appropriate number of space
+ * between each blocks.
+ *
+ * @param string $text
+ * @return string
+ */
+ protected function detab($text) {
+ $text = preg_replace_callback('/^.*\t.*$/m',
+ array($this, '_detab_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Replace tabs callback
+ * @param string $matches
+ * @return string
+ */
+ protected function _detab_callback($matches) {
+ $line = $matches[0];
+ $strlen = $this->utf8_strlen; // strlen function for UTF-8.
+
+ // Split in blocks.
+ $blocks = explode("\t", $line);
+ // Add each blocks to the line.
+ $line = $blocks[0];
+ unset($blocks[0]); // Do not add first block twice.
+ foreach ($blocks as $block) {
+ // Calculate amount of space, insert spaces, insert block.
+ $amount = $this->tab_width -
+ $strlen($line, 'UTF-8') % $this->tab_width;
+ $line .= str_repeat(" ", $amount) . $block;
+ }
+ return $line;
+ }
+
+ /**
+ * Check for the availability of the function in the `utf8_strlen` property
+ * (initially `mb_strlen`). If the function is not available, create a
+ * function that will loosely count the number of UTF-8 characters with a
+ * regular expression.
+ * @return void
+ */
+ protected function _initDetab() {
+
+ if (function_exists($this->utf8_strlen)) {
+ return;
+ }
+
+ $this->utf8_strlen = create_function('$text', 'return preg_match_all(
+ "/[\\\\x00-\\\\xBF]|[\\\\xC0-\\\\xFF][\\\\x80-\\\\xBF]*/",
+ $text, $m);');
+ }
+
+ /**
+ * Swap back in all the tags hashed by _HashHTMLBlocks.
+ * @param string $text
+ * @return string
+ */
+ protected function unhash($text) {
+ return preg_replace_callback('/(.)\x1A[0-9]+\1/',
+ array($this, '_unhash_callback'), $text);
+ }
+
+ /**
+ * Unhashing callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _unhash_callback($matches) {
+ return $this->html_hashes[$matches[0]];
+ }
+}
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php
new file mode 100644
index 000000000..d09bd7a48
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.inc.php
@@ -0,0 +1,11 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the MarkdownExtra parser.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
+require_once dirname(__FILE__) . '/Markdown.php';
+require_once dirname(__FILE__) . '/MarkdownExtra.php';
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php
new file mode 100644
index 000000000..ac6b1b4f2
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownExtra.php
@@ -0,0 +1,1785 @@
+<?php
+/**
+ * Markdown Extra - A text-to-HTML conversion tool for web writers
+ *
+ * @package php-markdown
+ * @author Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Extra Parser Class
+ */
+class MarkdownExtra extends \Michelf\Markdown {
+ /**
+ * Configuration variables
+ */
+
+ /**
+ * Prefix for footnote ids.
+ * @var string
+ */
+ public $fn_id_prefix = "";
+
+ /**
+ * Optional title attribute for footnote links and backlinks.
+ * @var string
+ */
+ public $fn_link_title = "";
+ public $fn_backlink_title = "";
+
+ /**
+ * Optional class attribute for footnote links and backlinks.
+ * @var string
+ */
+ public $fn_link_class = "footnote-ref";
+ public $fn_backlink_class = "footnote-backref";
+
+ /**
+ * Content to be displayed within footnote backlinks. The default is '↩';
+ * the U+FE0E on the end is a Unicode variant selector used to prevent iOS
+ * from displaying the arrow character as an emoji.
+ * @var string
+ */
+ public $fn_backlink_html = '&#8617;&#xFE0E;';
+
+ /**
+ * Class name for table cell alignment (%% replaced left/center/right)
+ * For instance: 'go-%%' becomes 'go-left' or 'go-right' or 'go-center'
+ * If empty, the align attribute is used instead of a class name.
+ * @var string
+ */
+ public $table_align_class_tmpl = '';
+
+ /**
+ * Optional class prefix for fenced code block.
+ * @var string
+ */
+ public $code_class_prefix = "";
+
+ /**
+ * Class attribute for code blocks goes on the `code` tag;
+ * setting this to true will put attributes on the `pre` tag instead.
+ * @var boolean
+ */
+ public $code_attr_on_pre = false;
+
+ /**
+ * Predefined abbreviations.
+ * @var array
+ */
+ public $predef_abbr = array();
+
+ /**
+ * Parser implementation
+ */
+
+ /**
+ * Constructor function. Initialize the parser object.
+ * @return void
+ */
+ public function __construct() {
+ // Add extra escapable characters before parent constructor
+ // initialize the table.
+ $this->escape_chars .= ':|';
+
+ // Insert extra document, block, and span transformations.
+ // Parent constructor will do the sorting.
+ $this->document_gamut += array(
+ "doFencedCodeBlocks" => 5,
+ "stripFootnotes" => 15,
+ "stripAbbreviations" => 25,
+ "appendFootnotes" => 50,
+ );
+ $this->block_gamut += array(
+ "doFencedCodeBlocks" => 5,
+ "doTables" => 15,
+ "doDefLists" => 45,
+ );
+ $this->span_gamut += array(
+ "doFootnotes" => 5,
+ "doAbbreviations" => 70,
+ );
+
+ $this->enhanced_ordered_list = true;
+ parent::__construct();
+ }
+
+
+ /**
+ * Extra variables used during extra transformations.
+ * @var array
+ */
+ protected $footnotes = array();
+ protected $footnotes_ordered = array();
+ protected $footnotes_ref_count = array();
+ protected $footnotes_numbers = array();
+ protected $abbr_desciptions = array();
+ /** @var @string */
+ protected $abbr_word_re = '';
+
+ /**
+ * Give the current footnote number.
+ * @var integer
+ */
+ protected $footnote_counter = 1;
+
+ /**
+ * Setting up Extra-specific variables.
+ */
+ protected function setup() {
+ parent::setup();
+
+ $this->footnotes = array();
+ $this->footnotes_ordered = array();
+ $this->footnotes_ref_count = array();
+ $this->footnotes_numbers = array();
+ $this->abbr_desciptions = array();
+ $this->abbr_word_re = '';
+ $this->footnote_counter = 1;
+
+ foreach ($this->predef_abbr as $abbr_word => $abbr_desc) {
+ if ($this->abbr_word_re)
+ $this->abbr_word_re .= '|';
+ $this->abbr_word_re .= preg_quote($abbr_word);
+ $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
+ }
+ }
+
+ /**
+ * Clearing Extra-specific variables.
+ */
+ protected function teardown() {
+ $this->footnotes = array();
+ $this->footnotes_ordered = array();
+ $this->footnotes_ref_count = array();
+ $this->footnotes_numbers = array();
+ $this->abbr_desciptions = array();
+ $this->abbr_word_re = '';
+
+ parent::teardown();
+ }
+
+
+ /**
+ * Extra attribute parser
+ */
+
+ /**
+ * Expression to use to catch attributes (includes the braces)
+ * @var string
+ */
+ protected $id_class_attr_catch_re = '\{((?>[ ]*[#.a-z][-_:a-zA-Z0-9=]+){1,})[ ]*\}';
+
+ /**
+ * Expression to use when parsing in a context when no capture is desired
+ * @var string
+ */
+ protected $id_class_attr_nocatch_re = '\{(?>[ ]*[#.a-z][-_:a-zA-Z0-9=]+){1,}[ ]*\}';
+
+ /**
+ * Parse attributes caught by the $this->id_class_attr_catch_re expression
+ * and return the HTML-formatted list of attributes.
+ *
+ * Currently supported attributes are .class and #id.
+ *
+ * In addition, this method also supports supplying a default Id value,
+ * which will be used to populate the id attribute in case it was not
+ * overridden.
+ * @param string $tag_name
+ * @param string $attr
+ * @param mixed $defaultIdValue
+ * @param array $classes
+ * @return string
+ */
+ protected function doExtraAttributes($tag_name, $attr, $defaultIdValue = null, $classes = array()) {
+ if (empty($attr) && !$defaultIdValue && empty($classes)) return "";
+
+ // Split on components
+ preg_match_all('/[#.a-z][-_:a-zA-Z0-9=]+/', $attr, $matches);
+ $elements = $matches[0];
+
+ // Handle classes and IDs (only first ID taken into account)
+ $attributes = array();
+ $id = false;
+ foreach ($elements as $element) {
+ if ($element{0} == '.') {
+ $classes[] = substr($element, 1);
+ } else if ($element{0} == '#') {
+ if ($id === false) $id = substr($element, 1);
+ } else if (strpos($element, '=') > 0) {
+ $parts = explode('=', $element, 2);
+ $attributes[] = $parts[0] . '="' . $parts[1] . '"';
+ }
+ }
+
+ if (!$id) $id = $defaultIdValue;
+
+ // Compose attributes as string
+ $attr_str = "";
+ if (!empty($id)) {
+ $attr_str .= ' id="'.$this->encodeAttribute($id) .'"';
+ }
+ if (!empty($classes)) {
+ $attr_str .= ' class="'. implode(" ", $classes) . '"';
+ }
+ if (!$this->no_markup && !empty($attributes)) {
+ $attr_str .= ' '.implode(" ", $attributes);
+ }
+ return $attr_str;
+ }
+
+ /**
+ * Strips link definitions from text, stores the URLs and titles in
+ * hash references.
+ * @param string $text
+ * @return string
+ */
+ protected function stripLinkDefinitions($text) {
+ $less_than_tab = $this->tab_width - 1;
+
+ // Link defs are in the form: ^[id]: url "optional title"
+ $text = preg_replace_callback('{
+ ^[ ]{0,'.$less_than_tab.'}\[(.+)\][ ]?: # id = $1
+ [ ]*
+ \n? # maybe *one* newline
+ [ ]*
+ (?:
+ <(.+?)> # url = $2
+ |
+ (\S+?) # url = $3
+ )
+ [ ]*
+ \n? # maybe one newline
+ [ ]*
+ (?:
+ (?<=\s) # lookbehind for whitespace
+ ["(]
+ (.*?) # title = $4
+ [")]
+ [ ]*
+ )? # title is optional
+ (?:[ ]* '.$this->id_class_attr_catch_re.' )? # $5 = extra id & class attr
+ (?:\n+|\Z)
+ }xm',
+ array($this, '_stripLinkDefinitions_callback'),
+ $text);
+ return $text;
+ }
+
+ /**
+ * Strip link definition callback
+ * @param array $matches
+ * @return string
+ */
+ protected function _stripLinkDefinitions_callback($matches) {
+ $link_id = strtolower($matches[1]);
+ $url = $matches[2] == '' ? $matches[3] : $matches[2];
+ $this->urls[$link_id] = $url;
+ $this->titles[$link_id] =& $matches[4];
+ $this->ref_attr[$link_id] = $this->doExtraAttributes("", $dummy =& $matches[5]);
+ return ''; // String that will replace the block
+ }
+
+
+ /**
+ * HTML block parser
+ */
+
+ /**
+ * Tags that are always treated as block tags
+ * @var string
+ */
+ protected $block_tags_re = 'p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend|article|section|nav|aside|hgroup|header|footer|figcaption|figure';
+
+ /**
+ * Tags treated as block tags only if the opening tag is alone on its line
+ * @var string
+ */
+ protected $context_block_tags_re = 'script|noscript|style|ins|del|iframe|object|source|track|param|math|svg|canvas|audio|video';
+
+ /**
+ * Tags where markdown="1" default to span mode:
+ * @var string
+ */
+ protected $contain_span_tags_re = 'p|h[1-6]|li|dd|dt|td|th|legend|address';
+
+ /**
+ * Tags which must not have their contents modified, no matter where
+ * they appear
+ * @var string
+ */
+ protected $clean_tags_re = 'script|style|math|svg';
+
+ /**
+ * Tags that do not need to be closed.
+ * @var string
+ */
+ protected $auto_close_tags_re = 'hr|img|param|source|track';
+
+ /**
+ * Hashify HTML Blocks and "clean tags".
+ *
+ * We only want to do this for block-level HTML tags, such as headers,
+ * lists, and tables. That's because we still want to wrap <p>s around
+ * "paragraphs" that are wrapped in non-block-level tags, such as anchors,
+ * phrase emphasis, and spans. The list of tags we're looking for is
+ * hard-coded.
+ *
+ * This works by calling _HashHTMLBlocks_InMarkdown, which then calls
+ * _HashHTMLBlocks_InHTML when it encounter block tags. When the markdown="1"
+ * attribute is found within a tag, _HashHTMLBlocks_InHTML calls back
+ * _HashHTMLBlocks_InMarkdown to handle the Markdown syntax within the tag.
+ * These two functions are calling each other. It's recursive!
+ * @param string $text
+ * @return string
+ */
+ protected function hashHTMLBlocks($text) {
+ if ($this->no_markup) {
+ return $text;
+ }
+
+ // Call the HTML-in-Markdown hasher.
+ list($text, ) = $this->_hashHTMLBlocks_inMarkdown($text);
+
+ return $text;
+ }
+
+ /**
+ * Parse markdown text, calling _HashHTMLBlocks_InHTML for block tags.
+ *
+ * * $indent is the number of space to be ignored when checking for code
+ * blocks. This is important because if we don't take the indent into
+ * account, something like this (which looks right) won't work as expected:
+ *
+ * <div>
+ * <div markdown="1">
+ * Hello World. <-- Is this a Markdown code block or text?
+ * </div> <-- Is this a Markdown code block or a real tag?
+ * <div>
+ *
+ * If you don't like this, just don't indent the tag on which
+ * you apply the markdown="1" attribute.
+ *
+ * * If $enclosing_tag_re is not empty, stops at the first unmatched closing
+ * tag with that name. Nested tags supported.
+ *
+ * * If $span is true, text inside must treated as span. So any double
+ * newline will be replaced by a single newline so that it does not create
+ * paragraphs.
+ *
+ * Returns an array of that form: ( processed text , remaining text )
+ *
+ * @param string $text
+ * @param integer $indent
+ * @param string $enclosing_tag_re
+ * @param boolean $span
+ * @return array
+ */
+ protected function _hashHTMLBlocks_inMarkdown($text, $indent = 0,
+ $enclosing_tag_re = '', $span = false)
+ {
+
+ if ($text === '') return array('', '');
+
+ // Regex to check for the presense of newlines around a block tag.
+ $newline_before_re = '/(?:^\n?|\n\n)*$/';
+ $newline_after_re =
+ '{
+ ^ # Start of text following the tag.
+ (?>[ ]*<!--.*?-->)? # Optional comment.
+ [ ]*\n # Must be followed by newline.
+ }xs';
+
+ // Regex to match any tag.
+ $block_tag_re =
+ '{
+ ( # $2: Capture whole tag.
+ </? # Any opening or closing tag.
+ (?> # Tag name.
+ ' . $this->block_tags_re . ' |
+ ' . $this->context_block_tags_re . ' |
+ ' . $this->clean_tags_re . ' |
+ (?!\s)'.$enclosing_tag_re . '
+ )
+ (?:
+ (?=[\s"\'/a-zA-Z0-9]) # Allowed characters after tag name.
+ (?>
+ ".*?" | # Double quotes (can contain `>`)
+ \'.*?\' | # Single quotes (can contain `>`)
+ .+? # Anything but quotes and `>`.
+ )*?
+ )?
+ > # End of tag.
+ |
+ <!-- .*? --> # HTML Comment
+ |
+ <\?.*?\?> | <%.*?%> # Processing instruction
+ |
+ <!\[CDATA\[.*?\]\]> # CData Block
+ ' . ( !$span ? ' # If not in span.
+ |
+ # Indented code block
+ (?: ^[ ]*\n | ^ | \n[ ]*\n )
+ [ ]{' . ($indent + 4) . '}[^\n]* \n
+ (?>
+ (?: [ ]{' . ($indent + 4) . '}[^\n]* | [ ]* ) \n
+ )*
+ |
+ # Fenced code block marker
+ (?<= ^ | \n )
+ [ ]{0,' . ($indent + 3) . '}(?:~{3,}|`{3,})
+ [ ]*
+ (?: \.?[-_:a-zA-Z0-9]+ )? # standalone class name
+ [ ]*
+ (?: ' . $this->id_class_attr_nocatch_re . ' )? # extra attributes
+ [ ]*
+ (?= \n )
+ ' : '' ) . ' # End (if not is span).
+ |
+ # Code span marker
+ # Note, this regex needs to go after backtick fenced
+ # code blocks but it should also be kept outside of the
+ # "if not in span" condition adding backticks to the parser
+ `+
+ )
+ }xs';
+
+
+ $depth = 0; // Current depth inside the tag tree.
+ $parsed = ""; // Parsed text that will be returned.
+
+ // Loop through every tag until we find the closing tag of the parent
+ // or loop until reaching the end of text if no parent tag specified.
+ do {
+ // Split the text using the first $tag_match pattern found.
+ // Text before pattern will be first in the array, text after
+ // pattern will be at the end, and between will be any catches made
+ // by the pattern.
+ $parts = preg_split($block_tag_re, $text, 2,
+ PREG_SPLIT_DELIM_CAPTURE);
+
+ // If in Markdown span mode, add a empty-string span-level hash
+ // after each newline to prevent triggering any block element.
+ if ($span) {
+ $void = $this->hashPart("", ':');
+ $newline = "\n$void";
+ $parts[0] = $void . str_replace("\n", $newline, $parts[0]) . $void;
+ }
+
+ $parsed .= $parts[0]; // Text before current tag.
+
+ // If end of $text has been reached. Stop loop.
+ if (count($parts) < 3) {
+ $text = "";
+ break;
+ }
+
+ $tag = $parts[1]; // Tag to handle.
+ $text = $parts[2]; // Remaining text after current tag.
+ $tag_re = preg_quote($tag); // For use in a regular expression.
+
+ // Check for: Fenced code block marker.
+ // Note: need to recheck the whole tag to disambiguate backtick
+ // fences from code spans
+ if (preg_match('{^\n?([ ]{0,' . ($indent + 3) . '})(~{3,}|`{3,})[ ]*(?:\.?[-_:a-zA-Z0-9]+)?[ ]*(?:' . $this->id_class_attr_nocatch_re . ')?[ ]*\n?$}', $tag, $capture)) {
+ // Fenced code block marker: find matching end marker.
+ $fence_indent = strlen($capture[1]); // use captured indent in re
+ $fence_re = $capture[2]; // use captured fence in re
+ if (preg_match('{^(?>.*\n)*?[ ]{' . ($fence_indent) . '}' . $fence_re . '[ ]*(?:\n|$)}', $text,
+ $matches))
+ {
+ // End marker found: pass text unchanged until marker.
+ $parsed .= $tag . $matches[0];
+ $text = substr($text, strlen($matches[0]));
+ }
+ else {
+ // No end marker: just skip it.
+ $parsed .= $tag;
+ }
+ }
+ // Check for: Indented code block.
+ else if ($tag{0} == "\n" || $tag{0} == " ") {
+ // Indented code block: pass it unchanged, will be handled
+ // later.
+ $parsed .= $tag;
+ }
+ // Check for: Code span marker
+ // Note: need to check this after backtick fenced code blocks
+ else if ($tag{0} == "`") {
+ // Find corresponding end marker.
+ $tag_re = preg_quote($tag);
+ if (preg_match('{^(?>.+?|\n(?!\n))*?(?<!`)' . $tag_re . '(?!`)}',
+ $text, $matches))
+ {
+ // End marker found: pass text unchanged until marker.
+ $parsed .= $tag . $matches[0];
+ $text = substr($text, strlen($matches[0]));
+ }
+ else {
+ // Unmatched marker: just skip it.
+ $parsed .= $tag;
+ }
+ }
+ // Check for: Opening Block level tag or
+ // Opening Context Block tag (like ins and del)
+ // used as a block tag (tag is alone on it's line).
+ else if (preg_match('{^<(?:' . $this->block_tags_re . ')\b}', $tag) ||
+ ( preg_match('{^<(?:' . $this->context_block_tags_re . ')\b}', $tag) &&
+ preg_match($newline_before_re, $parsed) &&
+ preg_match($newline_after_re, $text) )
+ )
+ {
+ // Need to parse tag and following text using the HTML parser.
+ list($block_text, $text) =
+ $this->_hashHTMLBlocks_inHTML($tag . $text, "hashBlock", true);
+
+ // Make sure it stays outside of any paragraph by adding newlines.
+ $parsed .= "\n\n$block_text\n\n";
+ }
+ // Check for: Clean tag (like script, math)
+ // HTML Comments, processing instructions.
+ else if (preg_match('{^<(?:' . $this->clean_tags_re . ')\b}', $tag) ||
+ $tag{1} == '!' || $tag{1} == '?')
+ {
+ // Need to parse tag and following text using the HTML parser.
+ // (don't check for markdown attribute)
+ list($block_text, $text) =
+ $this->_hashHTMLBlocks_inHTML($tag . $text, "hashClean", false);
+
+ $parsed .= $block_text;
+ }
+ // Check for: Tag with same name as enclosing tag.
+ else if ($enclosing_tag_re !== '' &&
+ // Same name as enclosing tag.
+ preg_match('{^</?(?:' . $enclosing_tag_re . ')\b}', $tag))
+ {
+ // Increase/decrease nested tag count.
+ if ($tag{1} == '/') $depth--;
+ else if ($tag{strlen($tag)-2} != '/') $depth++;
+
+ if ($depth < 0) {
+ // Going out of parent element. Clean up and break so we
+ // return to the calling function.
+ $text = $tag . $text;
+ break;
+ }
+
+ $parsed .= $tag;
+ }
+ else {
+ $parsed .= $tag;
+ }
+ } while ($depth >= 0);
+
+ return array($parsed, $text);
+ }
+
+ /**
+ * Parse HTML, calling _HashHTMLBlocks_InMarkdown for block tags.
+ *
+ * * Calls $hash_method to convert any blocks.
+ * * Stops when the first opening tag closes.
+ * * $md_attr indicate if the use of the `markdown="1"` attribute is allowed.
+ * (it is not inside clean tags)
+ *
+ * Returns an array of that form: ( processed text , remaining text )
+ * @param string $text
+ * @param string $hash_method
+ * @param string $md_attr
+ * @return array
+ */
+ protected function _hashHTMLBlocks_inHTML($text, $hash_method, $md_attr) {
+ if ($text === '') return array('', '');
+
+ // Regex to match `markdown` attribute inside of a tag.
+ $markdown_attr_re = '
+ {
+ \s* # Eat whitespace before the `markdown` attribute
+ markdown
+ \s*=\s*
+ (?>
+ (["\']) # $1: quote delimiter
+ (.*?) # $2: attribute value
+ \1 # matching delimiter
+ |
+ ([^\s>]*) # $3: unquoted attribute value
+ )
+ () # $4: make $3 always defined (avoid warnings)
+ }xs';
+
+ // Regex to match any tag.
+ $tag_re = '{
+ ( # $2: Capture whole tag.
+ </? # Any opening or closing tag.
+ [\w:$]+ # Tag name.
+ (?:
+ (?=[\s"\'/a-zA-Z0-9]) # Allowed characters after tag name.
+ (?>
+ ".*?" | # Double quotes (can contain `>`)
+ \'.*?\' | # Single quotes (can contain `>`)
+ .+? # Anything but quotes and `>`.
+ )*?
+ )?
+ > # End of tag.
+ |
+ <!-- .*? --> # HTML Comment
+ |
+ <\?.*?\?> | <%.*?%> # Processing instruction
+ |
+ <!\[CDATA\[.*?\]\]> # CData Block
+ )
+ }xs';
+
+ $original_text = $text; // Save original text in case of faliure.
+
+ $depth = 0; // Current depth inside the tag tree.
+ $block_text = ""; // Temporary text holder for current text.
+ $parsed = ""; // Parsed text that will be returned.
+
+ // Get the name of the starting tag.
+ // (This pattern makes $base_tag_name_re safe without quoting.)
+ if (preg_match('/^<([\w:$]*)\b/', $text, $matches))
+ $base_tag_name_re = $matches[1];
+
+ // Loop through every tag until we find the corresponding closing tag.
+ do {
+ // Split the text using the first $tag_match pattern found.
+ // Text before pattern will be first in the array, text after
+ // pattern will be at the end, and between will be any catches made
+ // by the pattern.
+ $parts = preg_split($tag_re, $text, 2, PREG_SPLIT_DELIM_CAPTURE);
+
+ if (count($parts) < 3) {
+ // End of $text reached with unbalenced tag(s).
+ // In that case, we return original text unchanged and pass the
+ // first character as filtered to prevent an infinite loop in the
+ // parent function.
+ return array($original_text{0}, substr($original_text, 1));
+ }
+
+ $block_text .= $parts[0]; // Text before current tag.
+ $tag = $parts[1]; // Tag to handle.
+ $text = $parts[2]; // Remaining text after current tag.
+
+ // Check for: Auto-close tag (like <hr/>)
+ // Comments and Processing Instructions.
+ if (preg_match('{^</?(?:' . $this->auto_close_tags_re . ')\b}', $tag) ||
+ $tag{1} == '!' || $tag{1} == '?')
+ {
+ // Just add the tag to the block as if it was text.
+ $block_text .= $tag;
+ }
+ else {
+ // Increase/decrease nested tag count. Only do so if
+ // the tag's name match base tag's.
+ if (preg_match('{^</?' . $base_tag_name_re . '\b}', $tag)) {
+ if ($tag{1} == '/') $depth--;
+ else if ($tag{strlen($tag)-2} != '/') $depth++;
+ }
+
+ // Check for `markdown="1"` attribute and handle it.
+ if ($md_attr &&
+ preg_match($markdown_attr_re, $tag, $attr_m) &&
+ preg_match('/^1|block|span$/', $attr_m[2] . $attr_m[3]))
+ {
+ // Remove `markdown` attribute from opening tag.
+ $tag = preg_replace($markdown_attr_re, '', $tag);
+
+ // Check if text inside this tag must be parsed in span mode.
+ $this->mode = $attr_m[2] . $attr_m[3];
+ $span_mode = $this->mode == 'span' || $this->mode != 'block' &&
+ preg_match('{^<(?:' . $this->contain_span_tags_re . ')\b}', $tag);
+
+ // Calculate indent before tag.
+ if (preg_match('/(?:^|\n)( *?)(?! ).*?$/', $block_text, $matches)) {
+ $strlen = $this->utf8_strlen;
+ $indent = $strlen($matches[1], 'UTF-8');
+ } else {
+ $indent = 0;
+ }
+
+ // End preceding block with this tag.
+ $block_text .= $tag;
+ $parsed .= $this->$hash_method($block_text);
+
+ // Get enclosing tag name for the ParseMarkdown function.
+ // (This pattern makes $tag_name_re safe without quoting.)
+ preg_match('/^<([\w:$]*)\b/', $tag, $matches);
+ $tag_name_re = $matches[1];
+
+ // Parse the content using the HTML-in-Markdown parser.
+ list ($block_text, $text)
+ = $this->_hashHTMLBlocks_inMarkdown($text, $indent,
+ $tag_name_re, $span_mode);
+
+ // Outdent markdown text.
+ if ($indent > 0) {
+ $block_text = preg_replace("/^[ ]{1,$indent}/m", "",
+ $block_text);
+ }
+
+ // Append tag content to parsed text.
+ if (!$span_mode) $parsed .= "\n\n$block_text\n\n";
+ else $parsed .= "$block_text";
+
+ // Start over with a new block.
+ $block_text = "";
+ }
+ else $block_text .= $tag;
+ }
+
+ } while ($depth > 0);
+
+ // Hash last block text that wasn't processed inside the loop.
+ $parsed .= $this->$hash_method($block_text);
+
+ return array($parsed, $text);
+ }
+
+ /**
+ * Called whenever a tag must be hashed when a function inserts a "clean" tag
+ * in $text, it passes through this function and is automaticaly escaped,
+ * blocking invalid nested overlap.
+ * @param string $text
+ * @return string
+ */
+ protected function hashClean($text) {
+ return $this->hashPart($text, 'C');
+ }
+
+ /**
+ * Turn Markdown link shortcuts into XHTML <a> tags.
+ * @param string $text
+ * @return string
+ */
+ protected function doAnchors($text) {
+ if ($this->in_anchor) {
+ return $text;
+ }
+ $this->in_anchor = true;
+
+ // First, handle reference-style links: [link text] [id]
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ (' . $this->nested_brackets_re . ') # link text = $2
+ \]
+
+ [ ]? # one optional space
+ (?:\n[ ]*)? # one optional newline followed by spaces
+
+ \[
+ (.*?) # id = $3
+ \]
+ )
+ }xs',
+ array($this, '_doAnchors_reference_callback'), $text);
+
+ // Next, inline-style links: [link text](url "optional title")
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ (' . $this->nested_brackets_re . ') # link text = $2
+ \]
+ \( # literal paren
+ [ \n]*
+ (?:
+ <(.+?)> # href = $3
+ |
+ (' . $this->nested_url_parenthesis_re . ') # href = $4
+ )
+ [ \n]*
+ ( # $5
+ ([\'"]) # quote char = $6
+ (.*?) # Title = $7
+ \6 # matching quote
+ [ \n]* # ignore any spaces/tabs between closing quote and )
+ )? # title is optional
+ \)
+ (?:[ ]? ' . $this->id_class_attr_catch_re . ' )? # $8 = id/class attributes
+ )
+ }xs',
+ array($this, '_doAnchors_inline_callback'), $text);
+
+ // Last, handle reference-style shortcuts: [link text]
+ // These must come last in case you've also got [link text][1]
+ // or [link text](/foo)
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ \[
+ ([^\[\]]+) # link text = $2; can\'t contain [ or ]
+ \]
+ )
+ }xs',
+ array($this, '_doAnchors_reference_callback'), $text);
+
+ $this->in_anchor = false;
+ return $text;
+ }
+
+ /**
+ * Callback for reference anchors
+ * @param array $matches
+ * @return string
+ */
+ protected function _doAnchors_reference_callback($matches) {
+ $whole_match = $matches[1];
+ $link_text = $matches[2];
+ $link_id =& $matches[3];
+
+ if ($link_id == "") {
+ // for shortcut links like [this][] or [this].
+ $link_id = $link_text;
+ }
+
+ // lower-case and turn embedded newlines into spaces
+ $link_id = strtolower($link_id);
+ $link_id = preg_replace('{[ ]?\n}', ' ', $link_id);
+
+ if (isset($this->urls[$link_id])) {
+ $url = $this->urls[$link_id];
+ $url = $this->encodeURLAttribute($url);
+
+ $result = "<a href=\"$url\"";
+ if ( isset( $this->titles[$link_id] ) ) {
+ $title = $this->titles[$link_id];
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+ if (isset($this->ref_attr[$link_id]))
+ $result .= $this->ref_attr[$link_id];
+
+ $link_text = $this->runSpanGamut($link_text);
+ $result .= ">$link_text</a>";
+ $result = $this->hashPart($result);
+ }
+ else {
+ $result = $whole_match;
+ }
+ return $result;
+ }
+
+ /**
+ * Callback for inline anchors
+ * @param array $matches
+ * @return string
+ */
+ protected function _doAnchors_inline_callback($matches) {
+ $whole_match = $matches[1];
+ $link_text = $this->runSpanGamut($matches[2]);
+ $url = $matches[3] == '' ? $matches[4] : $matches[3];
+ $title =& $matches[7];
+ $attr = $this->doExtraAttributes("a", $dummy =& $matches[8]);
+
+ // if the URL was of the form <s p a c e s> it got caught by the HTML
+ // tag parser and hashed. Need to reverse the process before using the URL.
+ $unhashed = $this->unhash($url);
+ if ($unhashed != $url)
+ $url = preg_replace('/^<(.*)>$/', '\1', $unhashed);
+
+ $url = $this->encodeURLAttribute($url);
+
+ $result = "<a href=\"$url\"";
+ if (isset($title)) {
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+ $result .= $attr;
+
+ $link_text = $this->runSpanGamut($link_text);
+ $result .= ">$link_text</a>";
+
+ return $this->hashPart($result);
+ }
+
+ /**
+ * Turn Markdown image shortcuts into <img> tags.
+ * @param string $text
+ * @return string
+ */
+ protected function doImages($text) {
+ // First, handle reference-style labeled images: ![alt text][id]
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ !\[
+ (' . $this->nested_brackets_re . ') # alt text = $2
+ \]
+
+ [ ]? # one optional space
+ (?:\n[ ]*)? # one optional newline followed by spaces
+
+ \[
+ (.*?) # id = $3
+ \]
+
+ )
+ }xs',
+ array($this, '_doImages_reference_callback'), $text);
+
+ // Next, handle inline images: ![alt text](url "optional title")
+ // Don't forget: encode * and _
+ $text = preg_replace_callback('{
+ ( # wrap whole match in $1
+ !\[
+ (' . $this->nested_brackets_re . ') # alt text = $2
+ \]
+ \s? # One optional whitespace character
+ \( # literal paren
+ [ \n]*
+ (?:
+ <(\S*)> # src url = $3
+ |
+ (' . $this->nested_url_parenthesis_re . ') # src url = $4
+ )
+ [ \n]*
+ ( # $5
+ ([\'"]) # quote char = $6
+ (.*?) # title = $7
+ \6 # matching quote
+ [ \n]*
+ )? # title is optional
+ \)
+ (?:[ ]? ' . $this->id_class_attr_catch_re . ' )? # $8 = id/class attributes
+ )
+ }xs',
+ array($this, '_doImages_inline_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback for referenced images
+ * @param array $matches
+ * @return string
+ */
+ protected function _doImages_reference_callback($matches) {
+ $whole_match = $matches[1];
+ $alt_text = $matches[2];
+ $link_id = strtolower($matches[3]);
+
+ if ($link_id == "") {
+ $link_id = strtolower($alt_text); // for shortcut links like ![this][].
+ }
+
+ $alt_text = $this->encodeAttribute($alt_text);
+ if (isset($this->urls[$link_id])) {
+ $url = $this->encodeURLAttribute($this->urls[$link_id]);
+ $result = "<img src=\"$url\" alt=\"$alt_text\"";
+ if (isset($this->titles[$link_id])) {
+ $title = $this->titles[$link_id];
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\"";
+ }
+ if (isset($this->ref_attr[$link_id]))
+ $result .= $this->ref_attr[$link_id];
+ $result .= $this->empty_element_suffix;
+ $result = $this->hashPart($result);
+ }
+ else {
+ // If there's no such link ID, leave intact:
+ $result = $whole_match;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Callback for inline images
+ * @param array $matches
+ * @return string
+ */
+ protected function _doImages_inline_callback($matches) {
+ $whole_match = $matches[1];
+ $alt_text = $matches[2];
+ $url = $matches[3] == '' ? $matches[4] : $matches[3];
+ $title =& $matches[7];
+ $attr = $this->doExtraAttributes("img", $dummy =& $matches[8]);
+
+ $alt_text = $this->encodeAttribute($alt_text);
+ $url = $this->encodeURLAttribute($url);
+ $result = "<img src=\"$url\" alt=\"$alt_text\"";
+ if (isset($title)) {
+ $title = $this->encodeAttribute($title);
+ $result .= " title=\"$title\""; // $title already quoted
+ }
+ $result .= $attr;
+ $result .= $this->empty_element_suffix;
+
+ return $this->hashPart($result);
+ }
+
+ /**
+ * Process markdown headers. Redefined to add ID and class attribute support.
+ * @param string $text
+ * @return string
+ */
+ protected function doHeaders($text) {
+ // Setext-style headers:
+ // Header 1 {#header1}
+ // ========
+ //
+ // Header 2 {#header2 .class1 .class2}
+ // --------
+ //
+ $text = preg_replace_callback(
+ '{
+ (^.+?) # $1: Header text
+ (?:[ ]+ ' . $this->id_class_attr_catch_re . ' )? # $3 = id/class attributes
+ [ ]*\n(=+|-+)[ ]*\n+ # $3: Header footer
+ }mx',
+ array($this, '_doHeaders_callback_setext'), $text);
+
+ // atx-style headers:
+ // # Header 1 {#header1}
+ // ## Header 2 {#header2}
+ // ## Header 2 with closing hashes ## {#header3.class1.class2}
+ // ...
+ // ###### Header 6 {.class2}
+ //
+ $text = preg_replace_callback('{
+ ^(\#{1,6}) # $1 = string of #\'s
+ [ ]*
+ (.+?) # $2 = Header text
+ [ ]*
+ \#* # optional closing #\'s (not counted)
+ (?:[ ]+ ' . $this->id_class_attr_catch_re . ' )? # $3 = id/class attributes
+ [ ]*
+ \n+
+ }xm',
+ array($this, '_doHeaders_callback_atx'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback for setext headers
+ * @param array $matches
+ * @return string
+ */
+ protected function _doHeaders_callback_setext($matches) {
+ if ($matches[3] == '-' && preg_match('{^- }', $matches[1])) {
+ return $matches[0];
+ }
+
+ $level = $matches[3]{0} == '=' ? 1 : 2;
+
+ $defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[1]) : null;
+
+ $attr = $this->doExtraAttributes("h$level", $dummy =& $matches[2], $defaultId);
+ $block = "<h$level$attr>" . $this->runSpanGamut($matches[1]) . "</h$level>";
+ return "\n" . $this->hashBlock($block) . "\n\n";
+ }
+
+ /**
+ * Callback for atx headers
+ * @param array $matches
+ * @return string
+ */
+ protected function _doHeaders_callback_atx($matches) {
+ $level = strlen($matches[1]);
+
+ $defaultId = is_callable($this->header_id_func) ? call_user_func($this->header_id_func, $matches[2]) : null;
+ $attr = $this->doExtraAttributes("h$level", $dummy =& $matches[3], $defaultId);
+ $block = "<h$level$attr>" . $this->runSpanGamut($matches[2]) . "</h$level>";
+ return "\n" . $this->hashBlock($block) . "\n\n";
+ }
+
+ /**
+ * Form HTML tables.
+ * @param string $text
+ * @return string
+ */
+ protected function doTables($text) {
+ $less_than_tab = $this->tab_width - 1;
+ // Find tables with leading pipe.
+ //
+ // | Header 1 | Header 2
+ // | -------- | --------
+ // | Cell 1 | Cell 2
+ // | Cell 3 | Cell 4
+ $text = preg_replace_callback('
+ {
+ ^ # Start of a line
+ [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
+ [|] # Optional leading pipe (present)
+ (.+) \n # $1: Header row (at least one pipe)
+
+ [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
+ [|] ([ ]*[-:]+[-| :]*) \n # $2: Header underline
+
+ ( # $3: Cells
+ (?>
+ [ ]* # Allowed whitespace.
+ [|] .* \n # Row content.
+ )*
+ )
+ (?=\n|\Z) # Stop at final double newline.
+ }xm',
+ array($this, '_doTable_leadingPipe_callback'), $text);
+
+ // Find tables without leading pipe.
+ //
+ // Header 1 | Header 2
+ // -------- | --------
+ // Cell 1 | Cell 2
+ // Cell 3 | Cell 4
+ $text = preg_replace_callback('
+ {
+ ^ # Start of a line
+ [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
+ (\S.*[|].*) \n # $1: Header row (at least one pipe)
+
+ [ ]{0,' . $less_than_tab . '} # Allowed whitespace.
+ ([-:]+[ ]*[|][-| :]*) \n # $2: Header underline
+
+ ( # $3: Cells
+ (?>
+ .* [|] .* \n # Row content
+ )*
+ )
+ (?=\n|\Z) # Stop at final double newline.
+ }xm',
+ array($this, '_DoTable_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback for removing the leading pipe for each row
+ * @param array $matches
+ * @return string
+ */
+ protected function _doTable_leadingPipe_callback($matches) {
+ $head = $matches[1];
+ $underline = $matches[2];
+ $content = $matches[3];
+
+ $content = preg_replace('/^ *[|]/m', '', $content);
+
+ return $this->_doTable_callback(array($matches[0], $head, $underline, $content));
+ }
+
+ /**
+ * Make the align attribute in a table
+ * @param string $alignname
+ * @return string
+ */
+ protected function _doTable_makeAlignAttr($alignname)
+ {
+ if (empty($this->table_align_class_tmpl)) {
+ return " align=\"$alignname\"";
+ }
+
+ $classname = str_replace('%%', $alignname, $this->table_align_class_tmpl);
+ return " class=\"$classname\"";
+ }
+
+ /**
+ * Calback for processing tables
+ * @param array $matches
+ * @return string
+ */
+ protected function _doTable_callback($matches) {
+ $head = $matches[1];
+ $underline = $matches[2];
+ $content = $matches[3];
+
+ // Remove any tailing pipes for each line.
+ $head = preg_replace('/[|] *$/m', '', $head);
+ $underline = preg_replace('/[|] *$/m', '', $underline);
+ $content = preg_replace('/[|] *$/m', '', $content);
+
+ // Reading alignement from header underline.
+ $separators = preg_split('/ *[|] */', $underline);
+ foreach ($separators as $n => $s) {
+ if (preg_match('/^ *-+: *$/', $s))
+ $attr[$n] = $this->_doTable_makeAlignAttr('right');
+ else if (preg_match('/^ *:-+: *$/', $s))
+ $attr[$n] = $this->_doTable_makeAlignAttr('center');
+ else if (preg_match('/^ *:-+ *$/', $s))
+ $attr[$n] = $this->_doTable_makeAlignAttr('left');
+ else
+ $attr[$n] = '';
+ }
+
+ // Parsing span elements, including code spans, character escapes,
+ // and inline HTML tags, so that pipes inside those gets ignored.
+ $head = $this->parseSpan($head);
+ $headers = preg_split('/ *[|] */', $head);
+ $col_count = count($headers);
+ $attr = array_pad($attr, $col_count, '');
+
+ // Write column headers.
+ $text = "<table>\n";
+ $text .= "<thead>\n";
+ $text .= "<tr>\n";
+ foreach ($headers as $n => $header)
+ $text .= " <th$attr[$n]>" . $this->runSpanGamut(trim($header)) . "</th>\n";
+ $text .= "</tr>\n";
+ $text .= "</thead>\n";
+
+ // Split content by row.
+ $rows = explode("\n", trim($content, "\n"));
+
+ $text .= "<tbody>\n";
+ foreach ($rows as $row) {
+ // Parsing span elements, including code spans, character escapes,
+ // and inline HTML tags, so that pipes inside those gets ignored.
+ $row = $this->parseSpan($row);
+
+ // Split row by cell.
+ $row_cells = preg_split('/ *[|] */', $row, $col_count);
+ $row_cells = array_pad($row_cells, $col_count, '');
+
+ $text .= "<tr>\n";
+ foreach ($row_cells as $n => $cell)
+ $text .= " <td$attr[$n]>" . $this->runSpanGamut(trim($cell)) . "</td>\n";
+ $text .= "</tr>\n";
+ }
+ $text .= "</tbody>\n";
+ $text .= "</table>";
+
+ return $this->hashBlock($text) . "\n";
+ }
+
+ /**
+ * Form HTML definition lists.
+ * @param string $text
+ * @return string
+ */
+ protected function doDefLists($text) {
+ $less_than_tab = $this->tab_width - 1;
+
+ // Re-usable pattern to match any entire dl list:
+ $whole_list_re = '(?>
+ ( # $1 = whole list
+ ( # $2
+ [ ]{0,' . $less_than_tab . '}
+ ((?>.*\S.*\n)+) # $3 = defined term
+ \n?
+ [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+ )
+ (?s:.+?)
+ ( # $4
+ \z
+ |
+ \n{2,}
+ (?=\S)
+ (?! # Negative lookahead for another term
+ [ ]{0,' . $less_than_tab . '}
+ (?: \S.*\n )+? # defined term
+ \n?
+ [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+ )
+ (?! # Negative lookahead for another definition
+ [ ]{0,' . $less_than_tab . '}:[ ]+ # colon starting definition
+ )
+ )
+ )
+ )'; // mx
+
+ $text = preg_replace_callback('{
+ (?>\A\n?|(?<=\n\n))
+ ' . $whole_list_re . '
+ }mx',
+ array($this, '_doDefLists_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback for processing definition lists
+ * @param array $matches
+ * @return string
+ */
+ protected function _doDefLists_callback($matches) {
+ // Re-usable patterns to match list item bullets and number markers:
+ $list = $matches[1];
+
+ // Turn double returns into triple returns, so that we can make a
+ // paragraph for the last item in a list, if necessary:
+ $result = trim($this->processDefListItems($list));
+ $result = "<dl>\n" . $result . "\n</dl>";
+ return $this->hashBlock($result) . "\n\n";
+ }
+
+ /**
+ * Process the contents of a single definition list, splitting it
+ * into individual term and definition list items.
+ * @param string $list_str
+ * @return string
+ */
+ protected function processDefListItems($list_str) {
+
+ $less_than_tab = $this->tab_width - 1;
+
+ // Trim trailing blank lines:
+ $list_str = preg_replace("/\n{2,}\\z/", "\n", $list_str);
+
+ // Process definition terms.
+ $list_str = preg_replace_callback('{
+ (?>\A\n?|\n\n+) # leading line
+ ( # definition terms = $1
+ [ ]{0,' . $less_than_tab . '} # leading whitespace
+ (?!\:[ ]|[ ]) # negative lookahead for a definition
+ # mark (colon) or more whitespace.
+ (?> \S.* \n)+? # actual term (not whitespace).
+ )
+ (?=\n?[ ]{0,3}:[ ]) # lookahead for following line feed
+ # with a definition mark.
+ }xm',
+ array($this, '_processDefListItems_callback_dt'), $list_str);
+
+ // Process actual definitions.
+ $list_str = preg_replace_callback('{
+ \n(\n+)? # leading line = $1
+ ( # marker space = $2
+ [ ]{0,' . $less_than_tab . '} # whitespace before colon
+ \:[ ]+ # definition mark (colon)
+ )
+ ((?s:.+?)) # definition text = $3
+ (?= \n+ # stop at next definition mark,
+ (?: # next term or end of text
+ [ ]{0,' . $less_than_tab . '} \:[ ] |
+ <dt> | \z
+ )
+ )
+ }xm',
+ array($this, '_processDefListItems_callback_dd'), $list_str);
+
+ return $list_str;
+ }
+
+ /**
+ * Callback for <dt> elements in definition lists
+ * @param array $matches
+ * @return string
+ */
+ protected function _processDefListItems_callback_dt($matches) {
+ $terms = explode("\n", trim($matches[1]));
+ $text = '';
+ foreach ($terms as $term) {
+ $term = $this->runSpanGamut(trim($term));
+ $text .= "\n<dt>" . $term . "</dt>";
+ }
+ return $text . "\n";
+ }
+
+ /**
+ * Callback for <dd> elements in definition lists
+ * @param array $matches
+ * @return string
+ */
+ protected function _processDefListItems_callback_dd($matches) {
+ $leading_line = $matches[1];
+ $marker_space = $matches[2];
+ $def = $matches[3];
+
+ if ($leading_line || preg_match('/\n{2,}/', $def)) {
+ // Replace marker with the appropriate whitespace indentation
+ $def = str_repeat(' ', strlen($marker_space)) . $def;
+ $def = $this->runBlockGamut($this->outdent($def . "\n\n"));
+ $def = "\n". $def ."\n";
+ }
+ else {
+ $def = rtrim($def);
+ $def = $this->runSpanGamut($this->outdent($def));
+ }
+
+ return "\n<dd>" . $def . "</dd>\n";
+ }
+
+ /**
+ * Adding the fenced code block syntax to regular Markdown:
+ *
+ * ~~~
+ * Code block
+ * ~~~
+ *
+ * @param string $text
+ * @return string
+ */
+ protected function doFencedCodeBlocks($text) {
+
+ $less_than_tab = $this->tab_width;
+
+ $text = preg_replace_callback('{
+ (?:\n|\A)
+ # 1: Opening marker
+ (
+ (?:~{3,}|`{3,}) # 3 or more tildes/backticks.
+ )
+ [ ]*
+ (?:
+ \.?([-_:a-zA-Z0-9]+) # 2: standalone class name
+ )?
+ [ ]*
+ (?:
+ ' . $this->id_class_attr_catch_re . ' # 3: Extra attributes
+ )?
+ [ ]* \n # Whitespace and newline following marker.
+
+ # 4: Content
+ (
+ (?>
+ (?!\1 [ ]* \n) # Not a closing marker.
+ .*\n+
+ )+
+ )
+
+ # Closing marker.
+ \1 [ ]* (?= \n )
+ }xm',
+ array($this, '_doFencedCodeBlocks_callback'), $text);
+
+ return $text;
+ }
+
+ /**
+ * Callback to process fenced code blocks
+ * @param array $matches
+ * @return string
+ */
+ protected function _doFencedCodeBlocks_callback($matches) {
+ $classname =& $matches[2];
+ $attrs =& $matches[3];
+ $codeblock = $matches[4];
+
+ if ($this->code_block_content_func) {
+ $codeblock = call_user_func($this->code_block_content_func, $codeblock, $classname);
+ } else {
+ $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
+ }
+
+ $codeblock = preg_replace_callback('/^\n+/',
+ array($this, '_doFencedCodeBlocks_newlines'), $codeblock);
+
+ $classes = array();
+ if ($classname != "") {
+ if ($classname{0} == '.')
+ $classname = substr($classname, 1);
+ $classes[] = $this->code_class_prefix . $classname;
+ }
+ $attr_str = $this->doExtraAttributes($this->code_attr_on_pre ? "pre" : "code", $attrs, null, $classes);
+ $pre_attr_str = $this->code_attr_on_pre ? $attr_str : '';
+ $code_attr_str = $this->code_attr_on_pre ? '' : $attr_str;
+ $codeblock = "<pre$pre_attr_str><code$code_attr_str>$codeblock</code></pre>";
+
+ return "\n\n".$this->hashBlock($codeblock)."\n\n";
+ }
+
+ /**
+ * Replace new lines in fenced code blocks
+ * @param array $matches
+ * @return string
+ */
+ protected function _doFencedCodeBlocks_newlines($matches) {
+ return str_repeat("<br$this->empty_element_suffix",
+ strlen($matches[0]));
+ }
+
+ /**
+ * Redefining emphasis markers so that emphasis by underscore does not
+ * work in the middle of a word.
+ * @var array
+ */
+ protected $em_relist = array(
+ '' => '(?:(?<!\*)\*(?!\*)|(?<![a-zA-Z0-9_])_(?!_))(?![\.,:;]?\s)',
+ '*' => '(?<![\s*])\*(?!\*)',
+ '_' => '(?<![\s_])_(?![a-zA-Z0-9_])',
+ );
+ protected $strong_relist = array(
+ '' => '(?:(?<!\*)\*\*(?!\*)|(?<![a-zA-Z0-9_])__(?!_))(?![\.,:;]?\s)',
+ '**' => '(?<![\s*])\*\*(?!\*)',
+ '__' => '(?<![\s_])__(?![a-zA-Z0-9_])',
+ );
+ protected $em_strong_relist = array(
+ '' => '(?:(?<!\*)\*\*\*(?!\*)|(?<![a-zA-Z0-9_])___(?!_))(?![\.,:;]?\s)',
+ '***' => '(?<![\s*])\*\*\*(?!\*)',
+ '___' => '(?<![\s_])___(?![a-zA-Z0-9_])',
+ );
+
+ /**
+ * Parse text into paragraphs
+ * @param string $text String to process in paragraphs
+ * @param boolean $wrap_in_p Whether paragraphs should be wrapped in <p> tags
+ * @return string HTML output
+ */
+ protected function formParagraphs($text, $wrap_in_p = true) {
+ // Strip leading and trailing lines:
+ $text = preg_replace('/\A\n+|\n+\z/', '', $text);
+
+ $grafs = preg_split('/\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
+
+ // Wrap <p> tags and unhashify HTML blocks
+ foreach ($grafs as $key => $value) {
+ $value = trim($this->runSpanGamut($value));
+
+ // Check if this should be enclosed in a paragraph.
+ // Clean tag hashes & block tag hashes are left alone.
+ $is_p = $wrap_in_p && !preg_match('/^B\x1A[0-9]+B|^C\x1A[0-9]+C$/', $value);
+
+ if ($is_p) {
+ $value = "<p>$value</p>";
+ }
+ $grafs[$key] = $value;
+ }
+
+ // Join grafs in one text, then unhash HTML tags.
+ $text = implode("\n\n", $grafs);
+
+ // Finish by removing any tag hashes still present in $text.
+ $text = $this->unhash($text);
+
+ return $text;
+ }
+
+
+ /**
+ * Footnotes - Strips link definitions from text, stores the URLs and
+ * titles in hash references.
+ * @param string $text
+ * @return string
+ */
+ protected function stripFootnotes($text) {
+ $less_than_tab = $this->tab_width - 1;
+
+ // Link defs are in the form: [^id]: url "optional title"
+ $text = preg_replace_callback('{
+ ^[ ]{0,' . $less_than_tab . '}\[\^(.+?)\][ ]?: # note_id = $1
+ [ ]*
+ \n? # maybe *one* newline
+ ( # text = $2 (no blank lines allowed)
+ (?:
+ .+ # actual text
+ |
+ \n # newlines but
+ (?!\[.+?\][ ]?:\s)# negative lookahead for footnote or link definition marker.
+ (?!\n+[ ]{0,3}\S)# ensure line is not blank and followed
+ # by non-indented content
+ )*
+ )
+ }xm',
+ array($this, '_stripFootnotes_callback'),
+ $text);
+ return $text;
+ }
+
+ /**
+ * Callback for stripping footnotes
+ * @param array $matches
+ * @return string
+ */
+ protected function _stripFootnotes_callback($matches) {
+ $note_id = $this->fn_id_prefix . $matches[1];
+ $this->footnotes[$note_id] = $this->outdent($matches[2]);
+ return ''; // String that will replace the block
+ }
+
+ /**
+ * Replace footnote references in $text [^id] with a special text-token
+ * which will be replaced by the actual footnote marker in appendFootnotes.
+ * @param string $text
+ * @return string
+ */
+ protected function doFootnotes($text) {
+ if (!$this->in_anchor) {
+ $text = preg_replace('{\[\^(.+?)\]}', "F\x1Afn:\\1\x1A:", $text);
+ }
+ return $text;
+ }
+
+ /**
+ * Append footnote list to text
+ * @param string $text
+ * @return string
+ */
+ protected function appendFootnotes($text) {
+ $text = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
+ array($this, '_appendFootnotes_callback'), $text);
+
+ if (!empty($this->footnotes_ordered)) {
+ $text .= "\n\n";
+ $text .= "<div class=\"footnotes\">\n";
+ $text .= "<hr" . $this->empty_element_suffix . "\n";
+ $text .= "<ol>\n\n";
+
+ $attr = "";
+ if ($this->fn_backlink_class != "") {
+ $class = $this->fn_backlink_class;
+ $class = $this->encodeAttribute($class);
+ $attr .= " class=\"$class\"";
+ }
+ if ($this->fn_backlink_title != "") {
+ $title = $this->fn_backlink_title;
+ $title = $this->encodeAttribute($title);
+ $attr .= " title=\"$title\"";
+ }
+ $backlink_text = $this->fn_backlink_html;
+ $num = 0;
+
+ while (!empty($this->footnotes_ordered)) {
+ $footnote = reset($this->footnotes_ordered);
+ $note_id = key($this->footnotes_ordered);
+ unset($this->footnotes_ordered[$note_id]);
+ $ref_count = $this->footnotes_ref_count[$note_id];
+ unset($this->footnotes_ref_count[$note_id]);
+ unset($this->footnotes[$note_id]);
+
+ $footnote .= "\n"; // Need to append newline before parsing.
+ $footnote = $this->runBlockGamut("$footnote\n");
+ $footnote = preg_replace_callback('{F\x1Afn:(.*?)\x1A:}',
+ array($this, '_appendFootnotes_callback'), $footnote);
+
+ $attr = str_replace("%%", ++$num, $attr);
+ $note_id = $this->encodeAttribute($note_id);
+
+ // Prepare backlink, multiple backlinks if multiple references
+ $backlink = "<a href=\"#fnref:$note_id\"$attr>$backlink_text</a>";
+ for ($ref_num = 2; $ref_num <= $ref_count; ++$ref_num) {
+ $backlink .= " <a href=\"#fnref$ref_num:$note_id\"$attr>$backlink_text</a>";
+ }
+ // Add backlink to last paragraph; create new paragraph if needed.
+ if (preg_match('{</p>$}', $footnote)) {
+ $footnote = substr($footnote, 0, -4) . "&#160;$backlink</p>";
+ } else {
+ $footnote .= "\n\n<p>$backlink</p>";
+ }
+
+ $text .= "<li id=\"fn:$note_id\">\n";
+ $text .= $footnote . "\n";
+ $text .= "</li>\n\n";
+ }
+
+ $text .= "</ol>\n";
+ $text .= "</div>";
+ }
+ return $text;
+ }
+
+ /**
+ * Callback for appending footnotes
+ * @param array $matches
+ * @return string
+ */
+ protected function _appendFootnotes_callback($matches) {
+ $node_id = $this->fn_id_prefix . $matches[1];
+
+ // Create footnote marker only if it has a corresponding footnote *and*
+ // the footnote hasn't been used by another marker.
+ if (isset($this->footnotes[$node_id])) {
+ $num =& $this->footnotes_numbers[$node_id];
+ if (!isset($num)) {
+ // Transfer footnote content to the ordered list and give it its
+ // number
+ $this->footnotes_ordered[$node_id] = $this->footnotes[$node_id];
+ $this->footnotes_ref_count[$node_id] = 1;
+ $num = $this->footnote_counter++;
+ $ref_count_mark = '';
+ } else {
+ $ref_count_mark = $this->footnotes_ref_count[$node_id] += 1;
+ }
+
+ $attr = "";
+ if ($this->fn_link_class != "") {
+ $class = $this->fn_link_class;
+ $class = $this->encodeAttribute($class);
+ $attr .= " class=\"$class\"";
+ }
+ if ($this->fn_link_title != "") {
+ $title = $this->fn_link_title;
+ $title = $this->encodeAttribute($title);
+ $attr .= " title=\"$title\"";
+ }
+
+ $attr = str_replace("%%", $num, $attr);
+ $node_id = $this->encodeAttribute($node_id);
+
+ return
+ "<sup id=\"fnref$ref_count_mark:$node_id\">".
+ "<a href=\"#fn:$node_id\"$attr>$num</a>".
+ "</sup>";
+ }
+
+ return "[^" . $matches[1] . "]";
+ }
+
+
+ /**
+ * Abbreviations - strips abbreviations from text, stores titles in hash
+ * references.
+ * @param string $text
+ * @return string
+ */
+ protected function stripAbbreviations($text) {
+ $less_than_tab = $this->tab_width - 1;
+
+ // Link defs are in the form: [id]*: url "optional title"
+ $text = preg_replace_callback('{
+ ^[ ]{0,' . $less_than_tab . '}\*\[(.+?)\][ ]?: # abbr_id = $1
+ (.*) # text = $2 (no blank lines allowed)
+ }xm',
+ array($this, '_stripAbbreviations_callback'),
+ $text);
+ return $text;
+ }
+
+ /**
+ * Callback for stripping abbreviations
+ * @param array $matches
+ * @return string
+ */
+ protected function _stripAbbreviations_callback($matches) {
+ $abbr_word = $matches[1];
+ $abbr_desc = $matches[2];
+ if ($this->abbr_word_re) {
+ $this->abbr_word_re .= '|';
+ }
+ $this->abbr_word_re .= preg_quote($abbr_word);
+ $this->abbr_desciptions[$abbr_word] = trim($abbr_desc);
+ return ''; // String that will replace the block
+ }
+
+ /**
+ * Find defined abbreviations in text and wrap them in <abbr> elements.
+ * @param string $text
+ * @return string
+ */
+ protected function doAbbreviations($text) {
+ if ($this->abbr_word_re) {
+ // cannot use the /x modifier because abbr_word_re may
+ // contain significant spaces:
+ $text = preg_replace_callback('{' .
+ '(?<![\w\x1A])' .
+ '(?:' . $this->abbr_word_re . ')' .
+ '(?![\w\x1A])' .
+ '}',
+ array($this, '_doAbbreviations_callback'), $text);
+ }
+ return $text;
+ }
+
+ /**
+ * Callback for processing abbreviations
+ * @param array $matches
+ * @return string
+ */
+ protected function _doAbbreviations_callback($matches) {
+ $abbr = $matches[0];
+ if (isset($this->abbr_desciptions[$abbr])) {
+ $desc = $this->abbr_desciptions[$abbr];
+ if (empty($desc)) {
+ return $this->hashPart("<abbr>$abbr</abbr>");
+ } else {
+ $desc = $this->encodeAttribute($desc);
+ return $this->hashPart("<abbr title=\"$desc\">$abbr</abbr>");
+ }
+ } else {
+ return $matches[0];
+ }
+ }
+}
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php
new file mode 100644
index 000000000..c4e9ac7f6
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.inc.php
@@ -0,0 +1,9 @@
+<?php
+
+// Use this file if you cannot use class autoloading. It will include all the
+// files needed for the MarkdownInterface interface.
+//
+// Take a look at the PSR-0-compatible class autoloading implementation
+// in the Readme.php file if you want a simple autoloader setup.
+
+require_once dirname(__FILE__) . '/MarkdownInterface.php';
diff --git a/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php
new file mode 100644
index 000000000..8512e3753
--- /dev/null
+++ b/vendor/michelf/php-markdown/Michelf/MarkdownInterface.php
@@ -0,0 +1,38 @@
+<?php
+/**
+ * Markdown - A text-to-HTML conversion tool for web writers
+ *
+ * @package php-markdown
+ * @author Michel Fortin <michel.fortin@michelf.com>
+ * @copyright 2004-2016 Michel Fortin <https://michelf.com/projects/php-markdown/>
+ * @copyright (Original Markdown) 2004-2006 John Gruber <https://daringfireball.net/projects/markdown/>
+ */
+
+namespace Michelf;
+
+/**
+ * Markdown Parser Interface
+ */
+interface MarkdownInterface {
+ /**
+ * Initialize the parser and return the result of its transform method.
+ * This will work fine for derived classes too.
+ *
+ * @api
+ *
+ * @param string $text
+ * @return string
+ */
+ public static function defaultTransform($text);
+
+ /**
+ * Main function. Performs some preprocessing on the input text
+ * and pass it through the document gamut.
+ *
+ * @api
+ *
+ * @param string $text
+ * @return string
+ */
+ public function transform($text);
+}
diff --git a/vendor/michelf/php-markdown/Readme.md b/vendor/michelf/php-markdown/Readme.md
new file mode 100644
index 000000000..044407106
--- /dev/null
+++ b/vendor/michelf/php-markdown/Readme.md
@@ -0,0 +1,384 @@
+PHP Markdown
+============
+
+PHP Markdown Lib 1.7.0 - 29 Oct 2016
+
+by Michel Fortin
+<https://michelf.ca/>
+
+based on Markdown by John Gruber
+<https://daringfireball.net/>
+
+
+Introduction
+------------
+
+This is a library package that includes the PHP Markdown parser and its
+sibling PHP Markdown Extra with additional features.
+
+Markdown is a text-to-HTML conversion tool for web writers. Markdown
+allows you to write using an easy-to-read, easy-to-write plain text
+format, then convert it to structurally valid XHTML (or HTML).
+
+"Markdown" is actually two things: a plain text markup syntax, and a
+software tool, originally written in Perl, that converts the plain text
+markup to HTML. PHP Markdown is a port to PHP of the original Markdown
+program by John Gruber.
+
+* [Full documentation of the Markdown syntax](<https://daringfireball.net/projects/markdown/>)
+ — Daring Fireball (John Gruber)
+* [Markdown Extra syntax additions](<https://michelf.ca/projects/php-markdown/extra/>)
+ — Michel Fortin
+
+
+Requirement
+-----------
+
+This library package requires PHP 5.3 or later.
+
+Note: The older plugin/library hybrid package for PHP Markdown and
+PHP Markdown Extra is still maintained and will work with PHP 4.0.5 and later.
+
+Before PHP 5.3.7, pcre.backtrack_limit defaults to 100 000, which is too small
+in many situations. You might need to set it to higher values. Later PHP
+releases defaults to 1 000 000, which is usually fine.
+
+
+Usage
+-----
+
+This library package is meant to be used with class autoloading. For autoloading
+to work, your project needs have setup a PSR-0-compatible autoloader. See the
+included Readme.php file for a minimal autoloader setup. (If you cannot use
+autoloading, see below.)
+
+With class autoloading in place, putting the 'Michelf' folder in your
+include path should be enough for this to work:
+
+ use \Michelf\Markdown;
+ $my_html = Markdown::defaultTransform($my_text);
+
+Markdown Extra syntax is also available the same way:
+
+ use \Michelf\MarkdownExtra;
+ $my_html = MarkdownExtra::defaultTransform($my_text);
+
+If you wish to use PHP Markdown with another text filter function
+built to parse HTML, you should filter the text *after* the `transform`
+function call. This is an example with [PHP SmartyPants][psp]:
+
+ use \Michelf\Markdown, \Michelf\SmartyPants;
+ $my_html = Markdown::defaultTransform($my_text);
+ $my_html = SmartyPants::defaultTransform($my_html);
+
+All these examples are using the static `defaultTransform` static function
+found inside the parser class. If you want to customize the parser
+configuration, you can also instantiate it directly and change some
+configuration variables:
+
+ use \Michelf\MarkdownExtra;
+ $parser = new MarkdownExtra;
+ $parser->fn_id_prefix = "post22-";
+ $my_html = $parser->transform($my_text);
+
+To learn more, see the full list of [configuration variables].
+
+ [configuration variables]: https://michelf.ca/projects/php-markdown/configuration/
+
+
+### Usage without an autoloader
+
+If you cannot use class autoloading, you can still use `include` or `require`
+to access the parser. To load the `\Michelf\Markdown` parser, do it this way:
+
+ require_once 'Michelf/Markdown.inc.php';
+
+Or, if you need the `\Michelf\MarkdownExtra` parser:
+
+ require_once 'Michelf/MarkdownExtra.inc.php';
+
+While the plain `.php` files depend on autoloading to work correctly, using the
+`.inc.php` files instead will eagerly load the dependencies that would be
+loaded on demand if you were using autoloading.
+
+
+Public API and Versioning Policy
+---------------------------------
+
+Version numbers are of the form *major*.*minor*.*patch*.
+
+The public API of PHP Markdown consist of the two parser classes `Markdown`
+and `MarkdownExtra`, their constructors, the `transform` and `defaultTransform`
+functions and their configuration variables. The public API is stable for
+a given major version number. It might get additions when the minor version
+number increments.
+
+**Protected members are not considered public API.** This is unconventional
+and deserves an explanation. Incrementing the major version number every time
+the underlying implementation of something changes is going to give
+nonessential version numbers for the vast majority of people who just use the
+parser. Protected members are meant to create parser subclasses that behave in
+different ways. Very few people create parser subclasses. I don't want to
+discourage it by making everything private, but at the same time I can't
+guarantee any stable hook between versions if you use protected members.
+
+**Syntax changes** will increment the minor number for new features, and the
+patch number for small corrections. A *new feature* is something that needs a
+change in the syntax documentation. Note that since PHP Markdown Lib includes
+two parsers, a syntax change for either of them will increment the minor
+number. Also note that there is nothing perfectly backward-compatible with the
+Markdown syntax: all inputs are always valid, so new features always replace
+something that was previously legal, although generally nonsensical to do.
+
+
+Bugs
+----
+
+To file bug reports please send email to:
+<michel.fortin@michelf.ca>
+
+Please include with your report: (1) the example input; (2) the output you
+expected; (3) the output PHP Markdown actually produced.
+
+If you have a problem where Markdown gives you an empty result, first check
+that the backtrack limit is not too low by running `php --info | grep pcre`.
+See Installation and Requirement above for details.
+
+
+Development and Testing
+-----------------------
+
+Pull requests for fixing bugs are welcome. Proposed new features are
+going to be meticulously reviewed -- taking into account backward compatibility,
+potential side effects, and future extensibility -- before deciding on
+acceptance or rejection.
+
+If you make a pull request that includes changes to the parser please add
+tests for what is being changed to [MDTest][] and make a pull request there
+too.
+
+ [MDTest]: https://github.com/michelf/mdtest/
+
+
+Donations
+---------
+
+If you wish to make a donation that will help me devote more time to
+PHP Markdown, please visit [michelf.ca/donate] or send Bitcoin to
+[1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH].
+
+ [michelf.ca/donate]: https://michelf.ca/donate/#!Thanks%20for%20PHP%20Markdown
+ [1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH]: bitcoin:1HiuX34czvVPPdhXbUAsAu7pZcesniDCGH
+
+
+Version History
+---------------
+
+PHP Markdown Lib 1.7.0 (29 Oct 2016)
+
+* Added a `hard_wrap` configuration variable to make all newline characters
+ in the text become `<br>` tags in the HTML output. By default, according
+ to the standard Markdown syntax these newlines are ignored unless they a
+ preceded by two spaces. Thanks to Jonathan Cohlmeyer for the implementation.
+
+* Improved the parsing of list items to fix problematic cases that came to
+ light with the addition of `hard_wrap`. This should have no effect on the
+ output except span-level list items that ended with two spaces (and thus
+ ended with a line break).
+
+* Added a `code_span_content_func` configuration variable which takes a
+ function that will convert the content of the code span to HTML. This can
+ be useful to implement syntax highlighting. Although contrary to its
+ code block equivalent, there is no syntax for specifying a language.
+ Credits to styxit for the implementation.
+
+* Fixed a Markdwon Extra issue where two-space-at-end-of-line hard breaks
+ wouldn't work inside of HTML block elements such as `<p markdown="1">`
+ where the element expects only span-level content.
+
+* In the parser code, switched to PHPDoc comment format. Thanks to
+ Robbie Averill for the help.
+
+
+PHP Markdown Lib 1.6.0 (23 Dec 2015)
+
+Note: this version was incorrectly released as 1.5.1 on Dec 22, a number
+that contradicted the versioning policy.
+
+* For fenced code blocks in Markdown Extra, can now set a class name for the
+ code block's language before the special attribute block. Previously, this
+ class name was only allowed in the absence of the special attribute block.
+
+* Added a `code_block_content_func` configuration variable which takes a
+ function that will convert the content of the code block to HTML. This is
+ most useful for syntax highlighting. For fenced code blocks in Markdown
+ Extra, the function has access to the language class name (the one outside
+ of the special attribute block). Credits to Mario Konrad for providing the
+ implementation.
+
+* The curled arrow character for the backlink in footnotes is now followed
+ by a Unicode variant selector to prevent it from being displayed in emoji
+ form on iOS.
+
+ Note that in older browsers the variant selector is often interpreted as a
+ separate character, making it visible after the arrow. So there is now a
+ also a `fn_backlink_html` configuration variable that can be used to set
+ the link text to something else. Credits to Dana for providing the
+ implementation.
+
+* Fixed an issue in MarkdownExtra where long header lines followed by a
+ special attribute block would hit the backtrack limit an cause an empty
+ string to be returned.
+
+
+PHP Markdown Lib 1.5.0 (1 Mar 2015)
+
+* Added the ability start ordered lists with a number different from 1 and
+ and have that reflected in the HTML output. This can be enabled with
+ the `enhanced_ordered_lists` configuration variable for the Markdown
+ parser; it is enabled by default for Markdown Extra.
+ Credits to Matt Gorle for providing the implementation.
+
+* Added the ability to insert custom HTML attributes with simple values
+ everywhere an extra attribute block is allowed (links, images, headers).
+ The value must be unquoted, cannot contains spaces and is limited to
+ alphanumeric ASCII characters.
+ Credits to Peter Droogmans for providing the implementation.
+
+* Added a `header_id_func` configuration variable which takes a function
+ that can generate an `id` attribute value from the header text.
+ Credits to Evert Pot for providing the implementation.
+
+* Added a `url_filter_func` configuration variable which takes a function
+ that can rewrite any link or image URL to something different.
+
+
+PHP Markdown Lib 1.4.1 (4 May 2014)
+
+* The HTML block parser will now treat `<figure>` as a block-level element
+ (as it should) and no longer wrap it in `<p>` or parse it's content with
+ the as Markdown syntax (although with Extra you can use `markdown="1"`
+ if you wish to use the Markdown syntax inside it).
+
+* The content of `<style>` elements will now be left alone, its content
+ won't be interpreted as Markdown.
+
+* Corrected an bug where some inline links with spaces in them would not
+ work even when surounded with angle brackets:
+
+ [link](<s p a c e s>)
+
+* Fixed an issue where email addresses with quotes in them would not always
+ have the quotes escaped in the link attribute, causing broken links (and
+ invalid HTML).
+
+* Fixed the case were a link definition following a footnote definition would
+ be swallowed by the footnote unless it was separated by a blank line.
+
+
+PHP Markdown Lib 1.4.0 (29 Nov 2013)
+
+* Added support for the `tel:` URL scheme in automatic links.
+
+ <tel:+1-111-111-1111>
+
+ It gets converted to this (note the `tel:` prefix becomes invisible):
+
+ <a href="tel:+1-111-111-1111">+1-111-111-1111</a>
+
+* Added backtick fenced code blocks to MarkdownExtra, originally from
+ Github-Flavored Markdown.
+
+* Added an interface called MarkdownInterface implemented by both
+ the Markdown and MarkdownExtra parsers. You can use the interface if
+ you want to create a mockup parser object for unit testing.
+
+* For those of you who cannot use class autoloading, you can now
+ include `Michelf/Markdown.inc.php` or `Michelf/MarkdownExtra.inc.php` (note
+ the `.inc.php` extension) to automatically include other files required
+ by the parser.
+
+
+PHP Markdown Lib 1.3 (11 Apr 2013)
+
+This is the first release of PHP Markdown Lib. This package requires PHP
+version 5.3 or later and is designed to work with PSR-0 autoloading and,
+optionally with Composer. Here is a list of the changes since
+PHP Markdown Extra 1.2.6:
+
+* Plugin interface for WordPress and other systems is no longer present in
+ the Lib package. The classic package is still available if you need it:
+ <https://michelf.ca/projects/php-markdown/classic/>
+
+* Added `public` and `protected` protection attributes, plus a section about
+ what is "public API" and what isn't in the Readme file.
+
+* Changed HTML output for footnotes: now instead of adding `rel` and `rev`
+ attributes, footnotes links have the class name `footnote-ref` and
+ backlinks `footnote-backref`.
+
+* Fixed some regular expressions to make PCRE not shout warnings about POSIX
+ collation classes (dependent on your version of PCRE).
+
+* Added optional class and id attributes to images and links using the same
+ syntax as for headers:
+
+ [link](url){#id .class}
+ ![img](url){#id .class}
+
+ It work too for reference-style links and images. In this case you need
+ to put those attributes at the reference definition:
+
+ [link][linkref] or [linkref]
+ ![img][linkref]
+
+ [linkref]: url "optional title" {#id .class}
+
+* Fixed a PHP notice message triggered when some table column separator
+ markers are missing on the separator line below column headers.
+
+* Fixed a small mistake that could cause the parser to retain an invalid
+ state related to parsing links across multiple runs. This was never
+ observed (that I know of), but it's still worth fixing.
+
+
+Copyright and License
+---------------------
+
+PHP Markdown Lib
+Copyright (c) 2004-2016 Michel Fortin
+<https://michelf.ca/>
+All rights reserved.
+
+Based on Markdown
+Copyright (c) 2003-2005 John Gruber
+<https://daringfireball.net/>
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the
+ distribution.
+
+* Neither the name "Markdown" nor the names of its contributors may
+ be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+This software is provided by the copyright holders and contributors "as
+is" and any express or implied warranties, including, but not limited
+to, the implied warranties of merchantability and fitness for a
+particular purpose are disclaimed. In no event shall the copyright owner
+or contributors be liable for any direct, indirect, incidental, special,
+exemplary, or consequential damages (including, but not limited to,
+procurement of substitute goods or services; loss of use, data, or
+profits; or business interruption) however caused and on any theory of
+liability, whether in contract, strict liability, or tort (including
+negligence or otherwise) arising in any way out of the use of this
+software, even if advised of the possibility of such damage.
diff --git a/vendor/michelf/php-markdown/Readme.php b/vendor/michelf/php-markdown/Readme.php
new file mode 100644
index 000000000..89449dea4
--- /dev/null
+++ b/vendor/michelf/php-markdown/Readme.php
@@ -0,0 +1,31 @@
+<?php
+
+// This file passes the content of the Readme.md file in the same directory
+// through the Markdown filter. You can adapt this sample code in any way
+// you like.
+
+// Install PSR-0-compatible class autoloader
+spl_autoload_register(function($class){
+ require preg_replace('{\\\\|_(?!.*\\\\)}', DIRECTORY_SEPARATOR, ltrim($class, '\\')).'.php';
+});
+
+// Get Markdown class
+use \Michelf\Markdown;
+
+// Read file and pass content through the Markdown parser
+$text = file_get_contents('Readme.md');
+$html = Markdown::defaultTransform($text);
+
+?>
+<!DOCTYPE html>
+<html>
+ <head>
+ <title>PHP Markdown Lib - Readme</title>
+ </head>
+ <body>
+ <?php
+ // Put HTML content in the document
+ echo $html;
+ ?>
+ </body>
+</html>
diff --git a/vendor/michelf/php-markdown/composer.json b/vendor/michelf/php-markdown/composer.json
new file mode 100644
index 000000000..36a4f744a
--- /dev/null
+++ b/vendor/michelf/php-markdown/composer.json
@@ -0,0 +1,31 @@
+{
+ "name": "michelf/php-markdown",
+ "type": "library",
+ "description": "PHP Markdown",
+ "homepage": "https://michelf.ca/projects/php-markdown/",
+ "keywords": ["markdown"],
+ "license": "BSD-3-Clause",
+ "authors": [
+ {
+ "name": "Michel Fortin",
+ "email": "michel.fortin@michelf.ca",
+ "homepage": "https://michelf.ca/",
+ "role": "Developer"
+ },
+ {
+ "name": "John Gruber",
+ "homepage": "https://daringfireball.net/"
+ }
+ ],
+ "require": {
+ "php": ">=5.3.0"
+ },
+ "autoload": {
+ "psr-0": { "Michelf": "" }
+ },
+ "extra": {
+ "branch-alias": {
+ "dev-lib": "1.4.x-dev"
+ }
+ }
+}