Deleting residual Markdown Extra library (in favour of Parsedown which is more actively maintained)
This commit is contained in:
Denis Kisselev
parent
da0cc07392
commit
839fe2abb6
2932
libs/markdown.php
2932
libs/markdown.php
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@ -1,161 +0,0 @@
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<?php
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require_once('markdown.php');
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define( 'MARKDOWNEXTRAEXTENDED_VERSION', "0.3" );
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function MarkdownExtended($text, $default_claases = array()){
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$parser = new MarkdownExtraExtended_Parser($default_claases);
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return $parser->transform($text);
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}
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class MarkdownExtraExtended_Parser extends MarkdownExtra_Parser {
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# Tags that are always treated as block tags:
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var $block_tags_re = 'figure|figcaption|p|div|h[1-6]|blockquote|pre|table|dl|ol|ul|address|form|fieldset|iframe|hr|legend';
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var $default_classes;
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function MarkdownExtraExtended_Parser($default_classes = array()) {
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$default_classes = $default_classes;
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$this->block_gamut += array(
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"doFencedFigures" => 7,
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);
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parent::MarkdownExtra_Parser();
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}
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function transform($text) {
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$text = parent::transform($text);
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return $text;
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}
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function doHardBreaks($text) {
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# Do hard breaks:
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# EXTENDED: changed to allow breaks without two spaces and just one new line
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# original code /* return preg_replace_callback('/ {2,}\n/', */
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return preg_replace_callback('/ *\n/',
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array(&$this, '_doHardBreaks_callback'), $text);
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}
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function doBlockQuotes($text) {
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$text = preg_replace_callback('/
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(?>^[ ]*>[ ]?
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(?:\((.+?)\))?
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[ ]*(.+\n(?:.+\n)*)
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)+
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/xm',
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array(&$this, '_doBlockQuotes_callback'), $text);
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return $text;
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}
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function _doBlockQuotes_callback($matches) {
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$cite = $matches[1];
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$bq = '> ' . $matches[2];
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# trim one level of quoting - trim whitespace-only lines
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$bq = preg_replace('/^[ ]*>[ ]?|^[ ]+$/m', '', $bq);
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$bq = $this->runBlockGamut($bq); # recurse
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$bq = preg_replace('/^/m', " ", $bq);
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# These leading spaces cause problem with <pre> content,
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# so we need to fix that:
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$bq = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx',
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array(&$this, '_doBlockQuotes_callback2'), $bq);
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$res = "<blockquote";
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$res .= empty($cite) ? ">" : " cite=\"$cite\">";
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$res .= "\n$bq\n</blockquote>";
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return "\n". $this->hashBlock($res)."\n\n";
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}
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function doFencedCodeBlocks($text) {
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$less_than_tab = $this->tab_width;
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$text = preg_replace_callback('{
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(?:\n|\A)
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# 1: Opening marker
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(
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~{3,}|`{3,} # Marker: three tilde or more.
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)
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[ ]?(\w+)?(?:,[ ]?(\d+))?[ ]* \n # Whitespace and newline following marker.
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# 3: Content
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(
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(?>
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(?!\1 [ ]* \n) # Not a closing marker.
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.*\n+
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)+
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)
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# Closing marker.
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\1 [ ]* \n
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}xm',
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array(&$this, '_doFencedCodeBlocks_callback'), $text);
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return $text;
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}
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function _doFencedCodeBlocks_callback($matches) {
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$codeblock = $matches[4];
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$codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
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$codeblock = preg_replace_callback('/^\n+/',
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array(&$this, '_doFencedCodeBlocks_newlines'), $codeblock);
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//$codeblock = "<pre><code>$codeblock</code></pre>";
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//$cb = "<pre><code";
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$cb = empty($matches[3]) ? "<pre><code" : "<pre class=\"linenums:$matches[3]\"><code";
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$cb .= empty($matches[2]) ? ">" : " class=\"language-$matches[2]\">";
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$cb .= "$codeblock</code></pre>";
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return "\n\n".$this->hashBlock($cb)."\n\n";
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}
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function doFencedFigures($text){
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$text = preg_replace_callback('{
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(?:\n|\A)
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# 1: Opening marker
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(
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={3,} # Marker: equal sign.
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)
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[ ]?(?:\[([^\]]+)\])?[ ]* \n # Whitespace and newline following marker.
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# 3: Content
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(
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(?>
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(?!\1 [ ]?(?:\[([^\]]+)\])?[ ]* \n) # Not a closing marker.
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.*\n+
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)+
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)
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# Closing marker.
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\1 [ ]?(?:\[([^\]]+)\])?[ ]* \n
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}xm', array(&$this, '_doFencedFigures_callback'), $text);
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return $text;
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}
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function _doFencedFigures_callback($matches) {
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# get figcaption
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$topcaption = empty($matches[2]) ? null : $this->runBlockGamut($matches[2]);
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$bottomcaption = empty($matches[5]) ? null : $this->runBlockGamut($matches[5]);
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$figure = $matches[3];
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$figure = $this->runBlockGamut($figure); # recurse
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$figure = preg_replace('/^/m', " ", $figure);
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# These leading spaces cause problem with <pre> content,
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# so we need to fix that - reuse blockqoute code to handle this:
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$figure = preg_replace_callback('{(\s*<pre>.+?</pre>)}sx',
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array(&$this, '_doBlockQuotes_callback2'), $figure);
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$res = "<figure>";
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if(!empty($topcaption)){
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$res .= "\n<figcaption>$topcaption</figcaption>";
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}
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$res .= "\n$figure\n";
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if(!empty($bottomcaption) && empty($topcaption)){
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$res .= "<figcaption>$bottomcaption</figcaption>";
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}
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$res .= "</figure>";
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return "\n". $this->hashBlock($res)."\n\n";
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}
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}
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?>
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