mirror of
https://github.com/erusev/parsedown.git
synced 2023-08-10 21:13:06 +03:00
Merge pull request #614 from aidantwoods/enhancement/performance-tweaks
General and performance tweaks
This commit is contained in:
Aidan Woods
GitHub
commit
8d172a2994
243
Parsedown.php
243
Parsedown.php
@ -182,29 +182,17 @@ class Parsedown
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continue;
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}
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if (strpos($line, "\t") !== false)
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while (($beforeTab = strstr($line, "\t", true)) !== false)
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{
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$parts = explode("\t", $line);
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$shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4;
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$line = $parts[0];
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unset($parts[0]);
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foreach ($parts as $part)
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{
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$shortage = 4 - mb_strlen($line, 'utf-8') % 4;
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$line .= str_repeat(' ', $shortage);
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$line .= $part;
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}
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$line = $beforeTab
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. str_repeat(' ', $shortage)
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. substr($line, strlen($beforeTab) + 1)
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;
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}
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$indent = 0;
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while (isset($line[$indent]) and $line[$indent] === ' ')
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{
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$indent ++;
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}
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$indent = strspn($line, ' ');
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$text = $indent > 0 ? substr($line, $indent) : $line;
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@ -216,7 +204,8 @@ class Parsedown
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if (isset($CurrentBlock['continuable']))
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{
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$Block = $this->{'block'.$CurrentBlock['type'].'Continue'}($Line, $CurrentBlock);
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$methodName = 'block' . $CurrentBlock['type'] . 'Continue';
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$Block = $this->$methodName($Line, $CurrentBlock);
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if (isset($Block))
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{
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@ -228,7 +217,8 @@ class Parsedown
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{
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if ($this->isBlockCompletable($CurrentBlock['type']))
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{
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$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
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$methodName = 'block' . $CurrentBlock['type'] . 'Complete';
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$CurrentBlock = $this->$methodName($CurrentBlock);
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}
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}
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}
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@ -254,7 +244,7 @@ class Parsedown
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foreach ($blockTypes as $blockType)
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{
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$Block = $this->{'block'.$blockType}($Line, $CurrentBlock);
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$Block = $this->{"block$blockType"}($Line, $CurrentBlock);
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if (isset($Block))
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{
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@ -309,7 +299,8 @@ class Parsedown
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if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type']))
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{
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$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
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$methodName = 'block' . $CurrentBlock['type'] . 'Complete';
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$CurrentBlock = $this->$methodName($CurrentBlock);
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}
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# ~
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@ -393,15 +384,6 @@ class Parsedown
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}
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}
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protected function blockCodeComplete($Block)
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{
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$text = $Block['element']['element']['text'];
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$Block['element']['element']['text'] = $text;
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return $Block;
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}
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#
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# Comment
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@ -452,25 +434,35 @@ class Parsedown
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protected function blockFencedCode($Line)
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{
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if (preg_match('/^(['.$Line['text'][0].']{3,})[ ]*([^`]+)?[ ]*$/', $Line['text'], $matches))
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$marker = $Line['text'][0];
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$openerLength = strspn($Line['text'], $marker);
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if ($openerLength < 3)
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{
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return;
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}
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$infostring = trim(substr($Line['text'], $openerLength), "\t ");
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if (strpos($infostring, '`') !== false)
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{
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return;
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}
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$Element = array(
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'name' => 'code',
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'text' => '',
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);
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if (isset($matches[2]))
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if ($infostring !== '')
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{
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$class = 'language-'.$matches[2];
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$Element['attributes'] = array(
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'class' => $class,
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);
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$Element['attributes'] = array('class' => "language-$infostring");
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}
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$Block = array(
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'char' => $Line['text'][0],
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'openerLength' => mb_strlen($matches[1]),
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'char' => $marker,
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'openerLength' => $openerLength,
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'element' => array(
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'name' => 'pre',
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'element' => $Element,
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@ -479,7 +471,6 @@ class Parsedown
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return $Block;
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}
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}
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protected function blockFencedCodeContinue($Line, $Block)
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{
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@ -495,9 +486,8 @@ class Parsedown
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unset($Block['interrupted']);
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}
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if (
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preg_match('/^(['.preg_quote($Block['char']).']{3,})[ ]*$/', $Line['text'], $matches)
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and mb_strlen($matches[1]) >= $Block['openerLength']
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if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength']
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and chop(substr($Line['text'], $len), ' ') === ''
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) {
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$Block['element']['element']['text'] = substr($Block['element']['element']['text'], 1);
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@ -511,26 +501,12 @@ class Parsedown
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return $Block;
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}
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protected function blockFencedCodeComplete($Block)
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{
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$text = $Block['element']['element']['text'];
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$Block['element']['element']['text'] = $text;
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return $Block;
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}
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#
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# Header
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protected function blockHeader($Line)
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{
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$level = 1;
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while (isset($Line['text'][$level]) and $Line['text'][$level] === '#')
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{
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$level ++;
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}
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$level = strspn($Line['text'], '#');
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if ($level > 6)
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{
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@ -565,9 +541,9 @@ class Parsedown
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protected function blockList($Line, array $CurrentBlock = null)
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{
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list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}[.\)]');
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list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}+[.\)]');
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if (preg_match('/^('.$pattern.'([ ]+|$))(.*)/', $Line['text'], $matches))
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if (preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches))
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{
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$contentIndent = strlen($matches[2]);
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@ -582,19 +558,22 @@ class Parsedown
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$matches[1] .= ' ';
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}
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$markerWithoutWhitespace = strstr($matches[1], ' ', true);
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$Block = array(
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'indent' => $Line['indent'],
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'pattern' => $pattern,
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'data' => array(
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'type' => $name,
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'marker' => $matches[1],
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'markerType' => ($name === 'ul' ? strstr($matches[1], ' ', true) : substr(strstr($matches[1], ' ', true), -1)),
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'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : substr($markerWithoutWhitespace, -1)),
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),
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'element' => array(
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'name' => $name,
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'elements' => array(),
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),
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);
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$Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/');
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if ($name === 'ol')
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{
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@ -642,10 +621,10 @@ class Parsedown
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and (
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(
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$Block['data']['type'] === 'ol'
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and preg_match('/^[0-9]+'.preg_quote($Block['data']['markerType']).'(?:[ ]+(.*)|$)/', $Line['text'], $matches)
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and preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
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) or (
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$Block['data']['type'] === 'ul'
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and preg_match('/^'.preg_quote($Block['data']['markerType']).'(?:[ ]+(.*)|$)/', $Line['text'], $matches)
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and preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
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)
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)
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) {
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@ -707,7 +686,7 @@ class Parsedown
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if ( ! isset($Block['interrupted']))
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{
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$text = preg_replace('/^[ ]{0,'.$requiredIndent.'}/', '', $Line['body']);
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$text = preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']);
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$Block['li']['handler']['argument'] []= $text;
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@ -736,7 +715,7 @@ class Parsedown
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protected function blockQuote($Line)
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{
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if (preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))
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if (preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches))
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{
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$Block = array(
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'element' => array(
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@ -760,7 +739,7 @@ class Parsedown
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return;
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}
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if ($Line['text'][0] === '>' and preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))
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if ($Line['text'][0] === '>' and preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches))
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{
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$Block['element']['handler']['argument'] []= $matches[1];
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@ -780,7 +759,9 @@ class Parsedown
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protected function blockRule($Line)
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{
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if (preg_match('/^(['.$Line['text'][0].'])([ ]*\1){2,}[ ]*$/', $Line['text']))
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$marker = $Line['text'][0];
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if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '')
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{
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$Block = array(
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'element' => array(
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@ -802,10 +783,8 @@ class Parsedown
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return;
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}
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if (
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chop(chop($Line['text'], ' '), $Line['text'][0]) === ''
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and $Line['indent'] < 4
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) {
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if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '')
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{
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$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';
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return $Block;
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@ -822,7 +801,7 @@ class Parsedown
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return;
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}
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if (preg_match('/^<[\/]?+(\w*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))
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if (preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches))
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{
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$element = strtolower($matches[1]);
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@ -860,8 +839,9 @@ class Parsedown
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protected function blockReference($Line)
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{
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if (preg_match('/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches))
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{
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if (strpos($Line['text'], ']') !== false
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and preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches)
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) {
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$id = strtolower($matches[1]);
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$Data = array(
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@ -970,7 +950,7 @@ class Parsedown
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$alignment = $alignments[$index];
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$HeaderElement['attributes'] = array(
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'style' => 'text-align: '.$alignment.';',
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'style' => "text-align: $alignment;",
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);
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}
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@ -1021,7 +1001,7 @@ class Parsedown
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$row = trim($row);
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$row = trim($row, '|');
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preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches);
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preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches);
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$cells = array_slice($matches[0], 0, count($Block['alignments']));
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@ -1124,13 +1104,18 @@ class Parsedown
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{
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$Elements = array();
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$nonNestables = (empty($nonNestables)
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? array()
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: array_combine($nonNestables, $nonNestables)
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);
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# $excerpt is based on the first occurrence of a marker
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while ($excerpt = strpbrk($text, $this->inlineMarkerList))
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{
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$marker = $excerpt[0];
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$markerPosition = strpos($text, $marker);
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$markerPosition = strlen($text) - strlen($excerpt);
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$Excerpt = array('text' => $excerpt, 'context' => $text);
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@ -1138,12 +1123,12 @@ class Parsedown
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{
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# check to see if the current inline type is nestable in the current context
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if ( ! empty($nonNestables) and in_array($inlineType, $nonNestables))
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if (isset($nonNestables[$inlineType]))
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{
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continue;
|
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}
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$Inline = $this->{'inline'.$inlineType}($Excerpt);
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$Inline = $this->{"inline$inlineType"}($Excerpt);
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if ( ! isset($Inline))
|
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{
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@ -1166,10 +1151,11 @@ class Parsedown
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|
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# cause the new element to 'inherit' our non nestables
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foreach ($nonNestables as $non_nestable)
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{
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$Inline['element']['nonNestables'][] = $non_nestable;
|
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}
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$Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables'])
|
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? array_merge($Inline['element']['nonNestables'], $nonNestables)
|
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: $nonNestables
|
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;
|
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|
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# the text that comes before the inline
|
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$unmarkedText = substr($text, 0, $Inline['position']);
|
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@ -1200,14 +1186,13 @@ class Parsedown
|
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$InlineText = $this->inlineText($text);
|
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$Elements[] = $InlineText['element'];
|
||||
|
||||
$Elements = array_map(
|
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function ($Element) {
|
||||
$Element['autobreak'] = isset($Element['autobreak'])
|
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? $Element['autobreak'] : false;
|
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return $Element;
|
||||
},
|
||||
$Elements
|
||||
);
|
||||
foreach ($Elements as &$Element)
|
||||
{
|
||||
if ( ! isset($Element['autobreak']))
|
||||
{
|
||||
$Element['autobreak'] = false;
|
||||
}
|
||||
}
|
||||
|
||||
return $Elements;
|
||||
}
|
||||
@ -1220,33 +1205,17 @@ class Parsedown
|
||||
{
|
||||
$Inline = array(
|
||||
'extent' => strlen($text),
|
||||
'element' => array(
|
||||
'elements' => array(),
|
||||
),
|
||||
'element' => array(),
|
||||
);
|
||||
|
||||
if ($this->breaksEnabled)
|
||||
{
|
||||
$Inline['element']['elements'] = self::pregReplaceElements(
|
||||
'/[ ]*\n/',
|
||||
array(
|
||||
array('name' => 'br'),
|
||||
array('text' => "\n"),
|
||||
),
|
||||
$text
|
||||
$safeText = self::escape($text, true);
|
||||
|
||||
$Inline['element']['rawHtml'] = preg_replace(
|
||||
$this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/',
|
||||
"<br />\n",
|
||||
$safeText
|
||||
);
|
||||
}
|
||||
else
|
||||
{
|
||||
$Inline['element']['elements'] = self::pregReplaceElements(
|
||||
'/(?:[ ][ ]+|[ ]*\\\\)\n/',
|
||||
array(
|
||||
array('name' => 'br'),
|
||||
array('text' => "\n"),
|
||||
),
|
||||
$text
|
||||
);
|
||||
}
|
||||
$Inline['element']['allowRawHtmlInSafeMode'] = true;
|
||||
|
||||
return $Inline;
|
||||
}
|
||||
@ -1255,10 +1224,10 @@ class Parsedown
|
||||
{
|
||||
$marker = $Excerpt['text'][0];
|
||||
|
||||
if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
|
||||
if (preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
|
||||
{
|
||||
$text = $matches[2];
|
||||
$text = preg_replace("/[ ]*\n/", ' ', $text);
|
||||
$text = preg_replace('/[ ]*+\n/', ' ', $text);
|
||||
|
||||
return array(
|
||||
'extent' => strlen($matches[0]),
|
||||
@ -1284,7 +1253,7 @@ class Parsedown
|
||||
|
||||
if ( ! isset($matches[2]))
|
||||
{
|
||||
$url = 'mailto:' . $url;
|
||||
$url = "mailto:$url";
|
||||
}
|
||||
|
||||
return array(
|
||||
@ -1414,7 +1383,7 @@ class Parsedown
|
||||
return;
|
||||
}
|
||||
|
||||
if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*"|\'[^\']*\'))?\s*[)]/', $remainder, $matches))
|
||||
if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches))
|
||||
{
|
||||
$Element['attributes']['href'] = $matches[1];
|
||||
|
||||
@ -1463,7 +1432,7 @@ class Parsedown
|
||||
return;
|
||||
}
|
||||
|
||||
if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*[ ]*>/s', $Excerpt['text'], $matches))
|
||||
if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches))
|
||||
{
|
||||
return array(
|
||||
'element' => array('rawHtml' => $matches[0]),
|
||||
@ -1471,7 +1440,7 @@ class Parsedown
|
||||
);
|
||||
}
|
||||
|
||||
if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?[^-])*-->/s', $Excerpt['text'], $matches))
|
||||
if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?+[^-])*-->/s', $Excerpt['text'], $matches))
|
||||
{
|
||||
return array(
|
||||
'element' => array('rawHtml' => $matches[0]),
|
||||
@ -1479,7 +1448,7 @@ class Parsedown
|
||||
);
|
||||
}
|
||||
|
||||
if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches))
|
||||
if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches))
|
||||
{
|
||||
return array(
|
||||
'element' => array('rawHtml' => $matches[0]),
|
||||
@ -1490,8 +1459,9 @@ class Parsedown
|
||||
|
||||
protected function inlineSpecialCharacter($Excerpt)
|
||||
{
|
||||
if (preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches))
|
||||
{
|
||||
if ($Excerpt['text'][1] !== ' ' and strpos($Excerpt['text'], ';') !== false
|
||||
and preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches)
|
||||
) {
|
||||
return array(
|
||||
'element' => array('rawHtml' => '&' . $matches[1] . ';'),
|
||||
'extent' => strlen($matches[0]),
|
||||
@ -1531,8 +1501,9 @@ class Parsedown
|
||||
return;
|
||||
}
|
||||
|
||||
if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
|
||||
{
|
||||
if (strpos($Excerpt['context'], 'http') !== false
|
||||
and preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)
|
||||
) {
|
||||
$url = $matches[0][0];
|
||||
|
||||
$Inline = array(
|
||||
@ -1553,7 +1524,7 @@ class Parsedown
|
||||
|
||||
protected function inlineUrlTag($Excerpt)
|
||||
{
|
||||
if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))
|
||||
if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches))
|
||||
{
|
||||
$url = $matches[1];
|
||||
|
||||
@ -1611,9 +1582,9 @@ class Parsedown
|
||||
{
|
||||
$Element = $this->handle($Element);
|
||||
}
|
||||
}
|
||||
|
||||
unset($Element['handler']);
|
||||
}
|
||||
|
||||
return $Element;
|
||||
}
|
||||
@ -1707,7 +1678,7 @@ class Parsedown
|
||||
continue;
|
||||
}
|
||||
|
||||
$markup .= ' '.$name.'="'.self::escape($value).'"';
|
||||
$markup .= " $name=\"".self::escape($value).'"';
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1777,8 +1748,8 @@ class Parsedown
|
||||
continue;
|
||||
}
|
||||
|
||||
$autoBreakNext = (isset($Element['autobreak']) && $Element['autobreak']
|
||||
|| ! isset($Element['autobreak']) && isset($Element['name'])
|
||||
$autoBreakNext = (isset($Element['autobreak'])
|
||||
? $Element['autobreak'] : isset($Element['name'])
|
||||
);
|
||||
// (autobreak === false) covers both sides of an element
|
||||
$autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext;
|
||||
@ -1959,8 +1930,8 @@ class Parsedown
|
||||
);
|
||||
|
||||
protected $StrongRegex = array(
|
||||
'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s',
|
||||
'_' => '/^__((?:\\\\_|[^_]|_[^_]*_)+?)__(?!_)/us',
|
||||
'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s',
|
||||
'_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us',
|
||||
);
|
||||
|
||||
protected $EmRegex = array(
|
||||
@ -1968,7 +1939,7 @@ class Parsedown
|
||||
'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',
|
||||
);
|
||||
|
||||
protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*(?:\s*=\s*(?:[^"\'=<>`\s]+|"[^"]*"|\'[^\']*\'))?';
|
||||
protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+';
|
||||
|
||||
protected $voidElements = array(
|
||||
'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source',
|
||||
|
||||
Loading…
Reference in New Issue
Block a user