aboutsummaryrefslogtreecommitdiffstats
path: root/Zotlabs/Lib/MarkdownSoap.php
diff options
context:
space:
mode:
authorMario <mario@mariovavti.com>2018-03-09 11:12:18 +0100
committerMario <mario@mariovavti.com>2018-03-09 11:12:18 +0100
commit4baf5eab16d809977a44e7911ddcab0ff8383897 (patch)
tree393f618c4cfc20f53264ecd8a26a08de0823d35d /Zotlabs/Lib/MarkdownSoap.php
parent577da0eb9eb1f90a4cf7a70cfb3582cfb49007ac (diff)
parent7361af85b5488fc8bd1744389a3a332dc74276b0 (diff)
downloadvolse-hubzilla-4baf5eab16d809977a44e7911ddcab0ff8383897.tar.gz
volse-hubzilla-4baf5eab16d809977a44e7911ddcab0ff8383897.tar.bz2
volse-hubzilla-4baf5eab16d809977a44e7911ddcab0ff8383897.zip
Merge branch '3.2RC'3.2
Diffstat (limited to 'Zotlabs/Lib/MarkdownSoap.php')
-rw-r--r--Zotlabs/Lib/MarkdownSoap.php65
1 files changed, 47 insertions, 18 deletions
diff --git a/Zotlabs/Lib/MarkdownSoap.php b/Zotlabs/Lib/MarkdownSoap.php
index fa279b07c..a58a5753a 100644
--- a/Zotlabs/Lib/MarkdownSoap.php
+++ b/Zotlabs/Lib/MarkdownSoap.php
@@ -3,51 +3,66 @@
namespace Zotlabs\Lib;
/**
- * MarkdownSoap
+ * @brief MarkdownSoap class.
+ *
* Purify Markdown for storage
+ * @code{.php}
* $x = new MarkdownSoap($string_to_be_cleansed);
* $text = $x->clean();
- *
+ * @endcode
* What this does:
* 1. extracts code blocks and privately escapes them from processing
* 2. Run html purifier on the content
* 3. put back the code blocks
* 4. run htmlspecialchars on the entire content for safe storage
*
- * At render time:
+ * At render time:
+ * @code{.php}
* $markdown = \Zotlabs\Lib\MarkdownSoap::unescape($text);
* $html = \Michelf\MarkdownExtra::DefaultTransform($markdown);
+ * @endcode
*/
-
-
-
class MarkdownSoap {
+ /**
+ * @var string
+ */
+ private $str;
+ /**
+ * @var string
+ */
private $token;
- private $str;
function __construct($s) {
- $this->str = $s;
+ $this->str = $s;
$this->token = random_string(20);
}
-
function clean() {
$x = $this->extract_code($this->str);
$x = $this->purify($x);
- $x = $this->putback_code($x);
+ $x = $this->putback_code($x);
$x = $this->escape($x);
-
+
return $x;
}
+ /**
+ * @brief Extracts code blocks and privately escapes them from processing.
+ *
+ * @see encode_code()
+ * @see putback_code()
+ *
+ * @param string $s
+ * @return string
+ */
function extract_code($s) {
-
+
$text = preg_replace_callback('{
(?:\n\n|\A\n?)
( # $1 = the code block -- one or more lines, starting with a space/tab
@@ -62,7 +77,7 @@ class MarkdownSoap {
return $text;
}
-
+
function encode_code($matches) {
return $this->token . ';' . base64_encode($matches[0]) . ';' ;
}
@@ -71,8 +86,17 @@ class MarkdownSoap {
return base64_decode($matches[1]);
}
+ /**
+ * @brief Put back the code blocks.
+ *
+ * @see extract_code()
+ * @see decode_code()
+ *
+ * @param string $s
+ * @return string
+ */
function putback_code($s) {
- $text = preg_replace_callback('{' . $this->token . '\;(.*?)\;}xm',[ $this, 'decode_code' ], $s);
+ $text = preg_replace_callback('{' . $this->token . '\;(.*?)\;}xm', [ $this, 'decode_code' ], $s);
return $text;
}
@@ -84,20 +108,25 @@ class MarkdownSoap {
}
function protect_autolinks($s) {
- $s = preg_replace('/\<(https?\:\/\/)(.*?)\>/','[$1$2]($1$2)',$s);
+ $s = preg_replace('/\<(https?\:\/\/)(.*?)\>/', '[$1$2]($1$2)', $s);
return $s;
}
function unprotect_autolinks($s) {
return $s;
-
}
function escape($s) {
- return htmlspecialchars($s,ENT_QUOTES,'UTF-8',false);
+ return htmlspecialchars($s, ENT_QUOTES, 'UTF-8', false);
}
+ /**
+ * @brief Converts special HTML entities back to characters.
+ *
+ * @param string $s
+ * @return string
+ */
static public function unescape($s) {
- return htmlspecialchars_decode($s,ENT_QUOTES);
+ return htmlspecialchars_decode($s, ENT_QUOTES);
}
}