^^&&^^

Edit File: ParsedownLegacy.php

<?php

# Parsedown

# http://parsedown.org

# (c) Emanuil Rusev

# http://erusev.com

# For the full license information, view the LICENSE file that was distributed

# with this source code.

class Parsedown

{

# ~

const version = '1.5.0';

# ~

function text($text)

{

# make sure no definitions are set

$this->DefinitionData = array();

# standardize line breaks

$text = str_replace(array("\r\n", "\r"), "\n", $text);

# remove surrounding line breaks

$text = trim($text, "\n");

# split text into lines

$lines = explode("\n", $text);

# iterate through lines to identify blocks

$markup = $this->lines($lines);

# trim line breaks

$markup = trim($markup, "\n");

return $markup;

}

# Setters

function setBreaksEnabled($breaksEnabled)

{

$this->breaksEnabled = $breaksEnabled;

return $this;

}

protected $breaksEnabled;

function setMarkupEscaped($markupEscaped)

{

$this->markupEscaped = $markupEscaped;

return $this;

}

protected $markupEscaped;

function setUrlsLinked($urlsLinked)

{

$this->urlsLinked = $urlsLinked;

return $this;

}

protected $urlsLinked = true;

# Lines

protected $BlockTypes = array(

'#' => array('Header'),

'*' => array('Rule', 'List'),

'+' => array('List'),

'-' => array('SetextHeader', 'Table', 'Rule', 'List'),

'0' => array('List'),

'1' => array('List'),

'2' => array('List'),

'3' => array('List'),

'4' => array('List'),

'5' => array('List'),

'6' => array('List'),

'7' => array('List'),

'8' => array('List'),

'9' => array('List'),

':' => array('Table'),

'<' => array('Comment', 'Markup'),

'=' => array('SetextHeader'),

'>' => array('Quote'),

'[' => array('Reference'),

'_' => array('Rule'),

'`' => array('FencedCode'),

'|' => array('Table'),

'~' => array('FencedCode'),

);

# ~

protected $DefinitionTypes = array(

'[' => array('Reference'),

);

# ~

protected $unmarkedBlockTypes = array(

'Code',

);

# Blocks

private function lines(array $lines)

{

$CurrentBlock = null;

foreach ($lines as $line)

{

if (chop($line) === '')

{

if (isset($CurrentBlock))

{

$CurrentBlock['interrupted'] = true;

}

continue;

}

if (strpos($line, "\t") !== false)

{

$parts = explode("\t", $line);

$line = $parts[0];

unset($parts[0]);

foreach ($parts as $part)

{

$shortage = 4 - mb_strlen($line, 'utf-8') % 4;

$line .= str_repeat(' ', $shortage);

$line .= $part;

}

$indent = 0;

while (isset($line[$indent]) and $line[$indent] === ' ')

{

$indent ++;

}

$text = $indent > 0 ? substr($line, $indent) : $line;

# ~

$Line = array('body' => $line, 'indent' => $indent, 'text' => $text);

# ~

if (isset($CurrentBlock['incomplete']))

{

$Block = $this->{'block'.$CurrentBlock['type'].'Continue'}($Line, $CurrentBlock);

if (isset($Block))

{

$CurrentBlock = $Block;

continue;

}

else

{

if (method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))

{

$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);

}

unset($CurrentBlock['incomplete']);

}

# ~

$marker = $text[0];

# ~

$blockTypes = $this->unmarkedBlockTypes;

if (isset($this->BlockTypes[$marker]))

{

foreach ($this->BlockTypes[$marker] as $blockType)

{

$blockTypes []= $blockType;

}

# ~

foreach ($blockTypes as $blockType)

{

$Block = $this->{'block'.$blockType}($Line, $CurrentBlock);

if (isset($Block))

{

$Block['type'] = $blockType;

if ( ! isset($Block['identified']))

{

$Blocks []= $CurrentBlock;

$Block['identified'] = true;

}

if (method_exists($this, 'block'.$blockType.'Continue'))

{

$Block['incomplete'] = true;

}

$CurrentBlock = $Block;

continue 2;

}

# ~

if (isset($CurrentBlock) and ! isset($CurrentBlock['type']) and ! isset($CurrentBlock['interrupted']))

{

$CurrentBlock['element']['text'] .= "\n".$text;

}

else

{

$Blocks []= $CurrentBlock;

$CurrentBlock = $this->paragraph($Line);

$CurrentBlock['identified'] = true;

}

# ~

if (isset($CurrentBlock['incomplete']) and method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))

{

$CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);

}

# ~

$Blocks []= $CurrentBlock;

unset($Blocks[0]);

# ~

$markup = '';

foreach ($Blocks as $Block)

{

if (isset($Block['hidden']))

{

continue;

}

$markup .= "\n";

$markup .= isset($Block['markup']) ? $Block['markup'] : $this->element($Block['element']);

}

$markup .= "\n";

# ~

return $markup;

}

# Code

protected function blockCode($Line, $Block = null)

{

if (isset($Block) and ! isset($Block['type']) and ! isset($Block['interrupted']))

{

return;

}

if ($Line['indent'] >= 4)

{

$text = substr($Line['body'], 4);

$Block = array(

'element' => array(

'name' => 'pre',

'handler' => 'element',

'text' => array(

'name' => 'code',

'text' => $text,

);

return $Block;

}

protected function blockCodeContinue($Line, $Block)

{

if ($Line['indent'] >= 4)

{

if (isset($Block['interrupted']))

{

$Block['element']['text']['text'] .= "\n";

unset($Block['interrupted']);

}

$Block['element']['text']['text'] .= "\n";

$text = substr($Line['body'], 4);

$Block['element']['text']['text'] .= $text;

return $Block;

}

protected function blockCodeComplete($Block)

{

$text = $Block['element']['text']['text'];

$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');

$Block['element']['text']['text'] = $text;

return $Block;

}

# Comment

protected function blockComment($Line)

{

if ($this->markupEscaped)

{

return;

}

if (isset($Line['text'][3]) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!')

{

$Block = array(

'markup' => $Line['body'],

);

if (preg_match('/-->$/', $Line['text']))

{

$Block['closed'] = true;

}

return $Block;

}

protected function blockCommentContinue($Line, array $Block)

{

if (isset($Block['closed']))

{

return;

}

$Block['markup'] .= "\n" . $Line['body'];

if (preg_match('/-->$/', $Line['text']))

{

$Block['closed'] = true;

}

return $Block;

}

# Fenced Code

protected function blockFencedCode($Line)

{

if (preg_match('/^(['.$Line['text'][0].']{3,})[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches))

{

$Element = array(

'name' => 'code',

'text' => '',

);

if (isset($matches[2]))

{

$class = 'language-'.$matches[2];

$Element['attributes'] = array(

'class' => $class,

);

}

$Block = array(

'char' => $Line['text'][0],

'element' => array(

'name' => 'pre',

'handler' => 'element',

'text' => $Element,

);

return $Block;

}

protected function blockFencedCodeContinue($Line, $Block)

{

if (isset($Block['complete']))

{

return;

}

if (isset($Block['interrupted']))

{

$Block['element']['text']['text'] .= "\n";

unset($Block['interrupted']);

}

if (preg_match('/^'.$Block['char'].'{3,}[ ]*$/', $Line['text']))

{

$Block['element']['text']['text'] = substr($Block['element']['text']['text'], 1);

$Block['complete'] = true;

return $Block;

}

$Block['element']['text']['text'] .= "\n".$Line['body'];;

return $Block;

}

protected function blockFencedCodeComplete($Block)

{

$text = $Block['element']['text']['text'];

$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');

$Block['element']['text']['text'] = $text;

return $Block;

}

# Header

protected function blockHeader($Line)

{

if (isset($Line['text'][1]))

{

$level = 1;

while (isset($Line['text'][$level]) and $Line['text'][$level] === '#')

{

$level ++;

}

if ($level > 6)

{

return;

}

$text = trim($Line['text'], '# ');

$Block = array(

'element' => array(

'name' => 'h' . min(6, $level),

'text' => $text,

'handler' => 'line',

);

return $Block;

}

# List

protected function blockList($Line)

{

list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]+[.]');

if (preg_match('/^('.$pattern.'[ ]+)(.*)/', $Line['text'], $matches))

{

$Block = array(

'indent' => $Line['indent'],

'pattern' => $pattern,

'element' => array(

'name' => $name,

'handler' => 'elements',

);

$Block['li'] = array(

'name' => 'li',

'handler' => 'li',

'text' => array(

$matches[2],

);

$Block['element']['text'] []= & $Block['li'];

return $Block;

}

protected function blockListContinue($Line, array $Block)

{

if ($Block['indent'] === $Line['indent'] and preg_match('/^'.$Block['pattern'].'(?:[ ]+(.*)|$)/', $Line['text'], $matches))

{

if (isset($Block['interrupted']))

{

$Block['li']['text'] []= '';

unset($Block['interrupted']);

}

unset($Block['li']);

$text = isset($matches[1]) ? $matches[1] : '';

$Block['li'] = array(

'name' => 'li',

'handler' => 'li',

'text' => array(

$text,

);

$Block['element']['text'] []= & $Block['li'];

return $Block;

}

if ($Line['text'][0] === '[' and $this->blockReference($Line))

{

return $Block;

}

if ( ! isset($Block['interrupted']))

{

$text = preg_replace('/^[ ]{0,4}/', '', $Line['body']);

$Block['li']['text'] []= $text;

return $Block;

}

if ($Line['indent'] > 0)

{

$Block['li']['text'] []= '';

$text = preg_replace('/^[ ]{0,4}/', '', $Line['body']);

$Block['li']['text'] []= $text;

unset($Block['interrupted']);

return $Block;

}

# Quote

protected function blockQuote($Line)

{

if (preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))

{

$Block = array(

'element' => array(

'name' => 'blockquote',

'handler' => 'lines',

'text' => (array) $matches[1],

);

return $Block;

}

protected function blockQuoteContinue($Line, array $Block)

{

if ($Line['text'][0] === '>' and preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))

{

if (isset($Block['interrupted']))

{

$Block['element']['text'] []= '';

unset($Block['interrupted']);

}

$Block['element']['text'] []= $matches[1];

return $Block;

}

if ( ! isset($Block['interrupted']))

{

$Block['element']['text'] []= $Line['text'];

return $Block;

}

# Rule

protected function blockRule($Line)

{

if (preg_match('/^(['.$Line['text'][0].'])([ ]*\1){2,}[ ]*$/', $Line['text']))

{

$Block = array(

'element' => array(

'name' => 'hr'

);

return $Block;

}

# Setext

protected function blockSetextHeader($Line, array $Block = null)

{

if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))

{

return;

}

if (chop($Line['text'], $Line['text'][0]) === '')

{

$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';

return $Block;

}

# Markup

protected function blockMarkup($Line)

{

if ($this->markupEscaped)

{

return;

}

if (preg_match('/^<(\w*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))

{

if (in_array($matches[1], $this->textLevelElements))

{

return;

}

$Block = array(

'name' => $matches[1],

'depth' => 0,

'markup' => $Line['text'],

);

$length = strlen($matches[0]);

$remainder = substr($Line['text'], $length);

if (trim($remainder) === '')

{

if (isset($matches[2]) or in_array($matches[1], $this->voidElements))

{

$Block['closed'] = true;

$Block['void'] = true;

}

else

{

if (isset($matches[2]) or in_array($matches[1], $this->voidElements))

{

return;

}

if (preg_match('/<\/'.$matches[1].'>[ ]*$/i', $remainder))

{

$Block['closed'] = true;

}

return $Block;

}

protected function blockMarkupContinue($Line, array $Block)

{

if (isset($Block['closed']))

{

return;

}

if (preg_match('/^<'.$Block['name'].'(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*>/i', $Line['text'])) # open

{

$Block['depth'] ++;

}

if (preg_match('/(.*?)<\/'.$Block['name'].'>[ ]*$/i', $Line['text'], $matches)) # close

{

if ($Block['depth'] > 0)

{

$Block['depth'] --;

}

else

{

$Block['closed'] = true;

}

$Block['markup'] .= $matches[1];

}

if (isset($Block['interrupted']))

{

$Block['markup'] .= "\n";

unset($Block['interrupted']);

}

$Block['markup'] .= "\n".$Line['body'];

return $Block;

}

# Reference

protected function blockReference($Line)

{

if (preg_match('/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches))

{

$id = strtolower($matches[1]);

$Data = array(

'url' => $matches[2],

'title' => null,

);

if (isset($matches[3]))

{

$Data['title'] = $matches[3];

}

$this->DefinitionData['Reference'][$id] = $Data;

$Block = array(

'hidden' => true,

);

return $Block;

}

# Table

protected function blockTable($Line, array $Block = null)

{

if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))

{

return;

}

if (strpos($Block['element']['text'], '|') !== false and chop($Line['text'], ' -:|') === '')

{

$alignments = array();

$divider = $Line['text'];

$divider = trim($divider);

$divider = trim($divider, '|');

$dividerCells = explode('|', $divider);

foreach ($dividerCells as $dividerCell)

{

$dividerCell = trim($dividerCell);

if ($dividerCell === '')

{

continue;

}

$alignment = null;

if ($dividerCell[0] === ':')

{

$alignment = 'left';

}

if (substr($dividerCell, - 1) === ':')

{

$alignment = $alignment === 'left' ? 'center' : 'right';

}

$alignments []= $alignment;

}

# ~

$HeaderElements = array();

$header = $Block['element']['text'];

$header = trim($header);

$header = trim($header, '|');

$headerCells = explode('|', $header);

foreach ($headerCells as $index => $headerCell)

{

$headerCell = trim($headerCell);

$HeaderElement = array(

'name' => 'th',

'text' => $headerCell,

'handler' => 'line',

);

if (isset($alignments[$index]))

{

$alignment = $alignments[$index];

$HeaderElement['attributes'] = array(

'style' => 'text-align: '.$alignment.';',

);

}

$HeaderElements []= $HeaderElement;

}

# ~

$Block = array(

'alignments' => $alignments,

'identified' => true,

'element' => array(

'name' => 'table',

'handler' => 'elements',

);

$Block['element']['text'] []= array(

'name' => 'thead',

'handler' => 'elements',

);

$Block['element']['text'] []= array(

'name' => 'tbody',

'handler' => 'elements',

'text' => array(),

);

$Block['element']['text'][0]['text'] []= array(

'name' => 'tr',

'handler' => 'elements',

'text' => $HeaderElements,

);

return $Block;

}

protected function blockTableContinue($Line, array $Block)

{

if (isset($Block['interrupted']))

{

return;

}

if ($Line['text'][0] === '|' or strpos($Line['text'], '|'))

{

$Elements = array();

$row = $Line['text'];

$row = trim($row);

$row = trim($row, '|');

preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches);

foreach ($matches[0] as $index => $cell)

{

$cell = trim($cell);

$Element = array(

'name' => 'td',

'handler' => 'line',

'text' => $cell,

);

if (isset($Block['alignments'][$index]))

{

$Element['attributes'] = array(

'style' => 'text-align: '.$Block['alignments'][$index].';',

);

}

$Elements []= $Element;

}

$Element = array(

'name' => 'tr',

'handler' => 'elements',

'text' => $Elements,

);

$Block['element']['text'][1]['text'] []= $Element;

return $Block;

}

# ~

protected function paragraph($Line)

{

$Block = array(

'element' => array(

'name' => 'p',

'text' => $Line['text'],

'handler' => 'line',

);

return $Block;

}

# Inline Elements

protected $InlineTypes = array(

'"' => array('SpecialCharacter'),

'!' => array('Image'),

'&' => array('SpecialCharacter'),

'*' => array('Emphasis'),

':' => array('Url'),

'<' => array('UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter'),

'>' => array('SpecialCharacter'),

'[' => array('Link'),

'_' => array('Emphasis'),

'`' => array('Code'),

'~' => array('Strikethrough'),

'\\' => array('EscapeSequence'),

);

# ~

protected $inlineMarkerList = '!"*_&[:<>`~\\';

# ~

public function line($text)

{

$markup = '';

$unexaminedText = $text;

$markerPosition = 0;

while ($excerpt = strpbrk($unexaminedText, $this->inlineMarkerList))

{

$marker = $excerpt[0];

$markerPosition += strpos($unexaminedText, $marker);

$Excerpt = array('text' => $excerpt, 'context' => $text);

foreach ($this->InlineTypes[$marker] as $inlineType)

{

$Inline = $this->{'inline'.$inlineType}($Excerpt);

if ( ! isset($Inline))

{

continue;

}

if (isset($Inline['position']) and $Inline['position'] > $markerPosition) # position is ahead of marker

{

continue;

}

if ( ! isset($Inline['position']))

{

$Inline['position'] = $markerPosition;

}

$unmarkedText = substr($text, 0, $Inline['position']);

$markup .= $this->unmarkedText($unmarkedText);

$markup .= isset($Inline['markup']) ? $Inline['markup'] : $this->element($Inline['element']);

$text = substr($text, $Inline['position'] + $Inline['extent']);

$unexaminedText = $text;

$markerPosition = 0;

continue 2;

}

$unexaminedText = substr($excerpt, 1);

$markerPosition ++;

}

$markup .= $this->unmarkedText($text);

return $markup;

}

# ~

protected function inlineCode($Excerpt)

{

$marker = $Excerpt['text'][0];

if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))

{

$text = $matches[2];

$text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');

$text = preg_replace("/[ ]*\n/", ' ', $text);

return array(

'extent' => strlen($matches[0]),

'element' => array(

'name' => 'code',

'text' => $text,

);

}

protected function inlineEmailTag($Excerpt)

{

if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches))

{

$url = $matches[1];

if ( ! isset($matches[2]))

{

$url = 'mailto:' . $url;

}

return array(

'extent' => strlen($matches[0]),

'element' => array(

'name' => 'a',

'text' => $matches[1],

'attributes' => array(

'href' => $url,

);

}

protected function inlineEmphasis($Excerpt)

{

if ( ! isset($Excerpt['text'][1]))

{

return;

}

$marker = $Excerpt['text'][0];

if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches))

{

$emphasis = 'strong';

}

elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches))

{

$emphasis = 'em';

}

else

{

return;

}

return array(

'extent' => strlen($matches[0]),

'element' => array(

'name' => $emphasis,

'handler' => 'line',

'text' => $matches[1],

);

}

protected function inlineEscapeSequence($Excerpt)

{

if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters))

{

return array(

'markup' => $Excerpt['text'][1],

'extent' => 2,

);

}

protected function inlineImage($Excerpt)

{

if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '[')

{

return;

}

$Excerpt['text']= substr($Excerpt['text'], 1);

$Link = $this->inlineLink($Excerpt);

if ($Link === null)

{

return;

}

$Inline = array(

'extent' => $Link['extent'] + 1,

'element' => array(

'name' => 'img',

'attributes' => array(

'src' => $Link['element']['attributes']['href'],

'alt' => $Link['element']['text'],

);

$Inline['element']['attributes'] += $Link['element']['attributes'];

unset($Inline['element']['attributes']['href']);

return $Inline;

}

protected function inlineLink($Excerpt)

{

$Element = array(

'name' => 'a',

'handler' => 'line',

'text' => null,

'attributes' => array(

'href' => null,

'title' => null,

);

$extent = 0;

$remainder = $Excerpt['text'];

if (preg_match('/\[((?:[^][]|(?R))*)\]/', $remainder, $matches))

{

$Element['text'] = $matches[1];

$extent += strlen($matches[0]);

$remainder = substr($remainder, $extent);

}

else

{

return;

}

if (preg_match('/^[(]((?:[^ (]|[(][^ )]+[)])+)(?:[ ]+("[^"]+"|\'[^\']+\'))?[)]/', $remainder, $matches))

{

$Element['attributes']['href'] = $matches[1];

if (isset($matches[2]))

{

$Element['attributes']['title'] = substr($matches[2], 1, - 1);

}

$extent += strlen($matches[0]);

}

else

{

if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches))

{

$definition = $matches[1] ? $matches[1] : $Element['text'];

$definition = strtolower($definition);

$extent += strlen($matches[0]);

}

else

{

$definition = strtolower($Element['text']);

}

if ( ! isset($this->DefinitionData['Reference'][$definition]))

{

return;

}

$Definition = $this->DefinitionData['Reference'][$definition];

$Element['attributes']['href'] = $Definition['url'];

$Element['attributes']['title'] = $Definition['title'];

}

$Element['attributes']['href'] = str_replace(array('&', '<'), array('&amp;', '&lt;'), $Element['attributes']['href']);

return array(

'extent' => $extent,

'element' => $Element,

);

}

protected function inlineMarkup($Excerpt)

{

if ($this->markupEscaped or strpos($Excerpt['text'], '>') === false)

{

return;

}

if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w*[ ]*>/s', $Excerpt['text'], $matches))

{

return array(

'markup' => $matches[0],

'extent' => strlen($matches[0]),

);

}

if ($Excerpt['text'][1] === '!' and preg_match('/^/s', $Excerpt['text'], $matches))

{

return array(

'markup' => $matches[0],

'extent' => strlen($matches[0]),

);

}

if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w*(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*\/?>/s', $Excerpt['text'], $matches))

{

return array(

'markup' => $matches[0],

'extent' => strlen($matches[0]),

);

}

protected function inlineSpecialCharacter($Excerpt)

{

if ($Excerpt['text'][0] === '&' and ! preg_match('/^&#?\w+;/', $Excerpt['text']))

{

return array(

'markup' => '&amp;',

'extent' => 1,

);

}

$SpecialCharacter = array('>' => 'gt', '<' => 'lt', '"' => 'quot');

if (isset($SpecialCharacter[$Excerpt['text'][0]]))

{

return array(

'markup' => '&'.$SpecialCharacter[$Excerpt['text'][0]].';',

'extent' => 1,

);

}

protected function inlineStrikethrough($Excerpt)

{

if ( ! isset($Excerpt['text'][1]))

{

return;

}

if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches))

{

return array(

'extent' => strlen($matches[0]),

'element' => array(

'name' => 'del',

'text' => $matches[1],

'handler' => 'line',

);

}

protected function inlineUrl($Excerpt)

{

if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')

{

return;

}

if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))

{

$Inline = array(

'extent' => strlen($matches[0][0]),

'position' => $matches[0][1],

'element' => array(

'name' => 'a',

'text' => $matches[0][0],

'attributes' => array(

'href' => $matches[0][0],

);

return $Inline;

}

protected function inlineUrlTag($Excerpt)

{

if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))

{

$url = str_replace(array('&', '<'), array('&amp;', '&lt;'), $matches[1]);

return array(

'extent' => strlen($matches[0]),

'element' => array(

'name' => 'a',

'text' => $url,

'attributes' => array(

'href' => $url,

);

}

# ~

protected $unmarkedInlineTypes = array("\n" => 'Break', '://' => 'Url');

# ~

protected function unmarkedText($text)

{

if ($this->breaksEnabled)

{

$text = preg_replace('/[ ]*\n/', "<br />\n", $text);

}

else

{

$text = preg_replace('/(?:[ ][ ]+|[ ]*\\\\)\n/', "<br />\n", $text);

$text = str_replace(" \n", "\n", $text);

}

return $text;

}

# Handlers

protected function element(array $Element)

{

$markup = '<'.$Element['name'];

if (isset($Element['attributes']))

{

foreach ($Element['attributes'] as $name => $value)

{

if ($value === null)

{

continue;

}

$markup .= ' '.$name.'="'.$value.'"';

}

if (isset($Element['text']))

{

$markup .= '>';

if (isset($Element['handler']))

{

$markup .= $this->{$Element['handler']}($Element['text']);

}

else

{

$markup .= $Element['text'];

}

$markup .= '</'.$Element['name'].'>';

}

else

{

$markup .= ' />';

}

return $markup;

}

protected function elements(array $Elements)

{

$markup = '';

foreach ($Elements as $Element)

{

$markup .= "\n" . $this->element($Element);

}

$markup .= "\n";

return $markup;

}

# ~

protected function li($lines)

{

$markup = $this->lines($lines);

$trimmedMarkup = trim($markup);

if ( ! in_array('', $lines) and substr($trimmedMarkup, 0, 3) === '<p>')

{

$markup = $trimmedMarkup;

$markup = substr($markup, 3);

$position = strpos($markup, "</p>");

$markup = substr_replace($markup, '', $position, 4);

}

return $markup;

}

# Deprecated Methods

function parse($text)

{

$markup = $this->text($text);

return $markup;

}

# Static Methods

static function instance($name = 'default')

{

if (isset(self::$instances[$name]))

{

return self::$instances[$name];

}

$instance = new self();

self::$instances[$name] = $instance;

return $instance;

}

private static $instances = array();

# Fields

protected $DefinitionData;

# Read-Only

protected $specialCharacters = array(

'\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|',

);

protected $StrongRegex = array(

'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s',

'_' => '/^__((?:\\\\_|[^_]|_[^_]*_)+?)__(?!_)/us',

);

protected $EmRegex = array(

'*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',

'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',

);

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',

);

protected $textLevelElements = array(

'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont',

'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing',

'i', 'rp', 'del', 'code',          'strike', 'marquee',

'q', 'rt', 'ins', 'font',          'strong',

's', 'tt', 'sub', 'mark',

'u', 'xm', 'sup', 'nobr',

'var', 'ruby',

'wbr', 'span',

'time',

);

}