mirror of
https://github.com/erusev/parsedown.git
synced 2023-08-10 21:13:06 +03:00
inline methods should be able to handle unmarked inline elements
This commit is contained in:
Emanuil Rusev
parent
bdf0ef024e
commit
c664785485
190
Parsedown.php
190
Parsedown.php
@ -972,7 +972,8 @@ class Parsedown
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'!' => array('Image'),
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'&' => array('SpecialCharacter'),
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'*' => array('Emphasis'),
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'<' => array('Url', 'Email', 'Markup', 'SpecialCharacter'),
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':' => array('Url'),
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'<' => array('UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter'),
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'>' => array('SpecialCharacter'),
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'[' => array('Link'),
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'_' => array('Emphasis'),
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@ -983,7 +984,7 @@ class Parsedown
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# ~
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protected $inlineMarkerList = '!"*_&[<>`~\\';
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protected $inlineMarkerList = '!"*_&[:<>`~\\';
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#
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# ~
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@ -993,43 +994,53 @@ class Parsedown
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{
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$markup = '';
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$remainder = $text;
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$unexaminedText = $text;
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$markerPosition = 0;
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while ($excerpt = strpbrk($remainder, $this->inlineMarkerList))
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while ($excerpt = strpbrk($unexaminedText, $this->inlineMarkerList))
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{
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$marker = $excerpt[0];
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$markerPosition += strpos($remainder, $marker);
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$markerPosition += strpos($unexaminedText, $marker);
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$Excerpt = array('text' => $excerpt, 'context' => $text);
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foreach ($this->InlineTypes[$marker] as $inlineType)
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{
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$handler = 'inline'.$inlineType;
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$Inline = $this->$handler($excerpt);
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$Inline = $this->{'inline'.$inlineType}($Excerpt);
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if ( ! isset($Inline))
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{
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continue;
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}
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$plainText = substr($text, 0, $markerPosition);
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if (isset($Inline['position']) and $Inline['position'] > $markerPosition) # position is ahead of marker
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{
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continue;
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}
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$markup .= $this->unmarkedText($plainText);
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if ( ! isset($Inline['position']))
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{
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$Inline['position'] = $markerPosition;
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}
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$unmarkedText = substr($text, 0, $Inline['position']);
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$markup .= $this->unmarkedText($unmarkedText);
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$markup .= isset($Inline['markup']) ? $Inline['markup'] : $this->element($Inline['element']);
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$text = substr($text, $markerPosition + $Inline['extent']);
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$text = substr($text, $Inline['position'] + $Inline['extent']);
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$remainder = $text;
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$unexaminedText = $text;
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$markerPosition = 0;
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continue 2;
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}
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$remainder = substr($excerpt, 1);
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$unexaminedText = substr($excerpt, 1);
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$markerPosition ++;
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}
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@ -1043,11 +1054,11 @@ class Parsedown
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# ~
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#
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protected function inlineCode($excerpt)
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protected function inlineCode($Excerpt)
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{
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$marker = $excerpt[0];
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$marker = $Excerpt['text'][0];
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if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $excerpt, $matches))
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if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
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{
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$text = $matches[2];
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$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
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@ -1063,9 +1074,9 @@ class Parsedown
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}
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}
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protected function inlineEmail($excerpt)
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protected function inlineEmailTag($Excerpt)
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{
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if (strpos($excerpt, '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $excerpt, $matches))
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if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches))
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{
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$url = $matches[1];
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@ -1087,20 +1098,20 @@ class Parsedown
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}
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}
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protected function inlineEmphasis($excerpt)
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protected function inlineEmphasis($Excerpt)
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{
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if ( ! isset($excerpt[1]))
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if ( ! isset($Excerpt['text'][1]))
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{
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return;
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}
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$marker = $excerpt[0];
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$marker = $Excerpt['text'][0];
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if ($excerpt[1] === $marker and preg_match($this->StrongRegex[$marker], $excerpt, $matches))
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if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches))
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{
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$emphasis = 'strong';
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}
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elseif (preg_match($this->EmRegex[$marker], $excerpt, $matches))
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elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches))
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{
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$emphasis = 'em';
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}
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@ -1119,60 +1130,52 @@ class Parsedown
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);
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}
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protected function inlineEscapeSequence($excerpt)
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protected function inlineEscapeSequence($Excerpt)
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{
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if (isset($excerpt[1]) and in_array($excerpt[1], $this->specialCharacters))
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if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters))
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{
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return array(
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'markup' => $excerpt[1],
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'markup' => $Excerpt['text'][1],
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'extent' => 2,
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);
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}
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}
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protected function inlineImage($excerpt)
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protected function inlineImage($Excerpt)
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{
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if ( ! isset($excerpt[1]) or $excerpt[1] !== '[')
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if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[')
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{
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return;
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}
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$excerpt = substr($excerpt, 1);
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$Excerpt['text']= substr($Excerpt['text'], 1);
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$InlineLink = $this->inlineLink($excerpt);
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$Link = $this->inlineLink($Excerpt);
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if ($InlineLink === null)
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if ($Link === null)
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{
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return;
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}
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$Inline = array(
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'extent' => $InlineLink['extent'] + 1,
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'extent' => $Link['extent'] + 1,
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'element' => array(
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'name' => 'img',
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'attributes' => array(
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'src' => $InlineLink['element']['attributes']['href'],
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'alt' => $InlineLink['element']['text'],
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'src' => $Link['element']['attributes']['href'],
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'alt' => $Link['element']['text'],
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),
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),
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);
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$Inline['element']['attributes'] += $InlineLink['element']['attributes'];
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$Inline['element']['attributes'] += $Link['element']['attributes'];
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unset($Inline['element']['attributes']['href']);
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return $Inline;
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}
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protected function inlineLessThan()
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{
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return array(
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'markup' => '<',
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'extent' => 1,
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);
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}
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protected function inlineLink($excerpt)
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protected function inlineLink($Excerpt)
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{
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$Element = array(
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'name' => 'a',
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@ -1186,7 +1189,7 @@ class Parsedown
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$extent = 0;
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$remainder = $excerpt;
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$remainder = $Excerpt['text'];
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if (preg_match('/\[((?:[^][]|(?R))*)\]/', $remainder, $matches))
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{
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@ -1245,14 +1248,14 @@ class Parsedown
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);
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}
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protected function inlineMarkup($excerpt)
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protected function inlineMarkup($Excerpt)
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{
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if ($this->markupEscaped or strpos($excerpt, '>') === false)
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if ($this->markupEscaped or strpos($Excerpt['text'], '>') === false)
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{
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return;
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}
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if ($excerpt[1] === '/' and preg_match('/^<\/\w*[ ]*>/s', $excerpt, $matches))
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if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w*[ ]*>/s', $Excerpt['text'], $matches))
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{
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return array(
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'markup' => $matches[0],
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@ -1260,7 +1263,7 @@ class Parsedown
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);
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}
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if ($excerpt[1] === '!' and preg_match('/^<!---?[^>-](?:-?[^-])*-->/s', $excerpt, $matches))
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if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?[^-])*-->/s', $Excerpt['text'], $matches))
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{
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return array(
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'markup' => $matches[0],
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@ -1268,7 +1271,7 @@ class Parsedown
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);
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}
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if ($excerpt[1] !== ' ' and preg_match('/^<\w*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $excerpt, $matches))
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if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches))
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{
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return array(
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'markup' => $matches[0],
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@ -1277,9 +1280,9 @@ class Parsedown
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}
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}
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protected function inlineSpecialCharacter($excerpt)
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protected function inlineSpecialCharacter($Excerpt)
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{
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if ($excerpt[0] === '&' and ! preg_match('/^&#?\w+;/', $excerpt))
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if ($Excerpt['text'][0] === '&' and ! preg_match('/^&#?\w+;/', $Excerpt['text']))
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{
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return array(
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'markup' => '&',
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@ -1289,23 +1292,23 @@ class Parsedown
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$SpecialCharacter = array('>' => 'gt', '<' => 'lt', '"' => 'quot');
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if (isset($SpecialCharacter[$excerpt[0]]))
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if (isset($SpecialCharacter[$Excerpt['text'][0]]))
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{
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return array(
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'markup' => '&'.$SpecialCharacter[$excerpt[0]].';',
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'markup' => '&'.$SpecialCharacter[$Excerpt['text'][0]].';',
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'extent' => 1,
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);
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}
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}
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protected function inlineStrikethrough($excerpt)
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protected function inlineStrikethrough($Excerpt)
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{
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if ( ! isset($excerpt[1]))
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if ( ! isset($Excerpt['text'][1]))
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{
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return;
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}
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if ($excerpt[1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $excerpt, $matches))
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if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches))
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{
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return array(
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'extent' => strlen($matches[0]),
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@ -1318,9 +1321,34 @@ class Parsedown
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}
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}
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protected function inlineUrl($excerpt)
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protected function inlineUrl($Excerpt)
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{
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if (strpos($excerpt, '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $excerpt, $matches))
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if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')
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{
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return;
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}
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if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
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{
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$Inline = array(
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'extent' => strlen($matches[0][0]),
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'position' => $matches[0][1],
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'element' => array(
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'name' => 'a',
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'text' => $matches[0][0],
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'attributes' => array(
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'href' => $matches[0][0],
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),
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),
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);
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return $Inline;
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}
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}
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protected function inlineUrlTag($Excerpt)
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{
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if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))
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{
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$url = str_replace(array('&', '<'), array('&', '<'), $matches[1]);
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@ -1345,21 +1373,6 @@ class Parsedown
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# ~
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protected function unmarkedText($text)
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{
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foreach ($this->unmarkedInlineTypes as $snippet => $inlineType)
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{
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if (strpos($text, $snippet) !== false)
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{
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$text = $this->{'unmarkedInline'.$inlineType}($text);
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}
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}
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return $text;
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}
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# ~
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protected function unmarkedInlineBreak($text)
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{
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if ($this->breaksEnabled)
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{
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@ -1374,35 +1387,6 @@ class Parsedown
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return $text;
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}
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protected function unmarkedInlineUrl($text)
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{
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if ($this->urlsLinked !== true)
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{
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return $text;
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}
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$re = '/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui';
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$offset = 0;
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while (strpos($text, '://', $offset) and preg_match($re, $text, $matches, PREG_OFFSET_CAPTURE, $offset))
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{
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$url = $matches[0][0];
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$urlLength = strlen($url);
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$urlPosition = $matches[0][1];
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$markup = '<a href="'.$url.'">'.$url.'</a>';
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$markupLength = strlen($markup);
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$text = substr_replace($text, $markup, $urlPosition, $urlLength);
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$offset = $urlPosition + $markupLength;
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}
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return $text;
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}
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#
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# Handlers
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#
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