diff options
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": { + 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"authors": [ + { + "name": "Evert Pot", + "email": "me@evertpot.com", + "homepage": "http://evertpot.com/", + "role": "Developer" + } + ], + "description": "WebDAV Framework for PHP", + "homepage": "http://sabre.io/", + "keywords": [ + "CalDAV", + "CardDAV", + "WebDAV", + "framework", + "iCalendar" + ], + "time": "2016-06-28T02:44:05+00:00" + }, + { + "name": "sabre/event", + "version": "3.0.0", + "source": { + "type": "git", + "url": "https://github.com/fruux/sabre-event.git", + "reference": "831d586f5a442dceacdcf5e9c4c36a4db99a3534" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/fruux/sabre-event/zipball/831d586f5a442dceacdcf5e9c4c36a4db99a3534", + "reference": "831d586f5a442dceacdcf5e9c4c36a4db99a3534", + "shasum": "" + }, + "require": { + "php": ">=5.5" + }, + "require-dev": { + "phpunit/phpunit": "*", + "sabre/cs": "~0.0.4" + }, + "type": "library", + "autoload": { + "psr-4": { + "Sabre\\Event\\": "lib/" + }, + "files": [ + "lib/coroutine.php", + "lib/Loop/functions.php", + "lib/Promise/functions.php" + ] + }, + "notification-url": "https://packagist.org/downloads/", + "license": [ + "BSD-3-Clause" + ], + "authors": [ + { + "name": "Evert Pot", + "email": "me@evertpot.com", + "homepage": "http://evertpot.com/", + "role": "Developer" + } + ], + "description": "sabre/event is a library for lightweight event-based programming", + "homepage": "http://sabre.io/event/", + "keywords": [ + "EventEmitter", + "async", + "events", + "hooks", + "plugin", + "promise", + "signal" + ], + "time": "2015-11-05T20:14:39+00:00" + }, + { + "name": "sabre/http", + "version": "4.2.1", + "source": { + "type": "git", + "url": "https://github.com/fruux/sabre-http.git", + "reference": "2e93bc8321524c67be4ca5b8415daebd4c8bf85e" + }, + "dist": { + "type": "zip", + "url": "https://api.github.com/repos/fruux/sabre-http/zipball/2e93bc8321524c67be4ca5b8415daebd4c8bf85e", + "reference": "2e93bc8321524c67be4ca5b8415daebd4c8bf85e", + "shasum": "" + }, + 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"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\#])/','#$1',$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 &. $Text = str_replace(array('<','>','&'),array('&_lt_;','&_gt_;','&_amp_;'),$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. $Text = str_replace(array('&\\_lt\\_;','&\\_gt\\_;','&\\_amp\\_;'),array('<','>','&'),$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:  - # 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('"', '"', $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('&', '&', $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+);)/', - '&', $text);; - } - # Encode remaining <'s - $text = str_replace('<', '<', $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="mailto:foo - # @example.co - # m">foo@exampl - # e.com</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\"$attr>↩</a>"; - if (preg_match('{</p>$}', $footnote)) { - $footnote = substr($footnote, 0, -4) . " $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:  + // 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('"', '"', $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('&', '&', $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+);)/', + '&', $text); + } + // Encode remaining <'s + $text = str_replace('<', '<', $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.: + * + * mailto:foo + * @example.co + * m + * + * 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 = '↩︎'; + + /** + * 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:  + // 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) . " $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} + {#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" + } + } +} |