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PKj6�[�4�parsedown/composer.jsonnu�[���{
"name": "erusev/parsedown",
"description": "Parser for Markdown.",
"keywords": ["markdown", "parser"],
"homepage": "http://parsedown.org",
"type": "library",
"license": "MIT",
"authors": [
{
"name": "Emanuil Rusev",
"email": "hello@erusev.com",
"homepage": "http://erusev.com"
}
],
"require": {
"php": ">=5.3.0",
"ext-mbstring": "*"
},
"require-dev": {
"phpunit/phpunit": "^4.8.35"
},
"autoload": {
"psr-0": {"Parsedown": ""}
},
"autoload-dev": {
"psr-0": {
"TestParsedown": "test/",
"ParsedownTest": "test/",
"CommonMarkTest": "test/",
"CommonMarkTestWeak": "test/"
}
}
}
PKj6�[7�~�����parsedown/Parsedown.phpnu�[���<?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 = '1.7.4';
# ~
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 $urlsLinked = true;
function setSafeMode($safeMode)
{
$this->safeMode = (bool) $safeMode;
return $this;
}
protected $safeMode;
protected $safeLinksWhitelist = array(
'http://',
'https://',
'ftp://',
'ftps://',
'mailto:',
'data:image/png;base64,',
'data:image/gif;base64,',
'data:image/jpeg;base64,',
'irc:',
'ircs:',
'git:',
'ssh:',
'news:',
'steam:',
);
#
# 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 $unmarkedBlockTypes = array(
'Code',
);
#
# Blocks
#
protected 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['continuable']))
{
$Block =
$this->{'block'.$CurrentBlock['type'].'Continue'}($Line,
$CurrentBlock);
if (isset($Block))
{
$CurrentBlock = $Block;
continue;
}
else
{
if
($this->isBlockCompletable($CurrentBlock['type']))
{
$CurrentBlock =
$this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
}
}
}
# ~
$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;
$Block['identified'] = true;
}
if ($this->isBlockContinuable($blockType))
{
$Block['continuable'] = 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['continuable']) and
$this->isBlockCompletable($CurrentBlock['type']))
{
$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 $markup;
}
protected function isBlockContinuable($Type)
{
return method_exists($this,
'block'.$Type.'Continue');
}
protected function isBlockCompletable($Type)
{
return method_exists($this,
'block'.$Type.'Complete');
}
#
# Code
protected function blockCode($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'];
$Block['element']['text']['text'] =
$text;
return $Block;
}
#
# Comment
protected function blockComment($Line)
{
if ($this->markupEscaped or $this->safeMode)
{
return;
}
if (isset($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('/^['.$Line['text'][0].']{3,}[
]*([^`]+)?[ ]*$/', $Line['text'], $matches))
{
$Element = array(
'name' => 'code',
'text' => '',
);
if (isset($matches[1]))
{
/**
*
https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
* Every HTML element may have a class attribute specified.
* The attribute, if specified, must have a value that is a
set
* of space-separated tokens representing the various
classes
* that the element belongs to.
* [...]
* The space characters, for the purposes of this
specification,
* are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab),
* U+000A LINE FEED (LF), U+000C FORM FEED (FF), and
* U+000D CARRIAGE RETURN (CR).
*/
$language = substr($matches[1], 0, strcspn($matches[1],
" \t\n\f\r"));
$class = 'language-'.$language;
$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'];
$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' => $name,
'handler' => 'elements',
),
);
if($name === 'ol')
{
$listStart = stristr($matches[0], '.', true);
if($listStart !== '1')
{
$Block['element']['attributes'] =
array('start' => $listStart);
}
}
$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'] []= '';
$Block['loose'] = true;
unset($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;
}
}
protected function blockListComplete(array $Block)
{
if (isset($Block['loose']))
{
foreach ($Block['element']['text'] as
&$li)
{
if (end($li['text']) !== '')
{
$li['text'] []= '';
}
}
}
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 or $this->safeMode)
{
return;
}
if (preg_match('/^<(\w[\w-]*)(?:[
]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/',
$Line['text'], $matches))
{
$element = strtolower($matches[1]);
if (in_array($element, $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
{
$Block['closed'] = true;
}
}
if (isset($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, $nonNestables=array())
{
$markup = '';
# $excerpt is based on the first occurrence of a marker
while ($excerpt = strpbrk($text, $this->inlineMarkerList))
{
$marker = $excerpt[0];
$markerPosition = strpos($text, $marker);
$Excerpt = array('text' => $excerpt,
'context' => $text);
foreach ($this->InlineTypes[$marker] as $inlineType)
{
# check to see if the current inline type is nestable in
the current context
if ( ! empty($nonNestables) and in_array($inlineType,
$nonNestables))
{
continue;
}
$Inline =
$this->{'inline'.$inlineType}($Excerpt);
if ( ! isset($Inline))
{
continue;
}
# makes sure that the inline belongs to "our"
marker
if (isset($Inline['position']) and
$Inline['position'] > $markerPosition)
{
continue;
}
# sets a default inline position
if ( ! isset($Inline['position']))
{
$Inline['position'] = $markerPosition;
}
# cause the new element to 'inherit' our non
nestables
foreach ($nonNestables as $non_nestable)
{
$Inline['element']['nonNestables'][] = $non_nestable;
}
# the text that comes before the inline
$unmarkedText = substr($text, 0,
$Inline['position']);
# compile the unmarked text
$markup .= $this->unmarkedText($unmarkedText);
# compile the inline
$markup .= isset($Inline['markup']) ?
$Inline['markup'] :
$this->element($Inline['element']);
# remove the examined text
$text = substr($text, $Inline['position'] +
$Inline['extent']);
continue 2;
}
# the marker does not belong to an inline
$unmarkedText = substr($text, 0, $markerPosition + 1);
$markup .= $this->unmarkedText($unmarkedText);
$text = substr($text, $markerPosition + 1);
}
$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 = 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',
'nonNestables' => array('Url',
'Link'),
'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('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[
]+("[^"]*"|\'[^\']*\'))?\s*[)]/',
$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))
{
$definition = strlen($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'];
}
return array(
'extent' => $extent,
'element' => $Element,
);
}
protected function inlineMarkup($Excerpt)
{
if ($this->markupEscaped or $this->safeMode or
strpos($Excerpt['text'], '>') === false)
{
return;
}
if ($Excerpt['text'][1] === '/' and
preg_match('/^<\/\w[\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 ($Excerpt['text'][1] !== ' ' and
preg_match('/^<\w[\w-]*(?:[
]*'.$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' => '&',
'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))
{
$url = $matches[0][0];
$Inline = array(
'extent' => strlen($matches[0][0]),
'position' => $matches[0][1],
'element' => array(
'name' => 'a',
'text' => $url,
'attributes' => array(
'href' => $url,
),
),
);
return $Inline;
}
}
protected function inlineUrlTag($Excerpt)
{
if (strpos($Excerpt['text'], '>') !== false
and preg_match('/^<(\w+:\/{2}[^ >]+)>/i',
$Excerpt['text'], $matches))
{
$url = $matches[1];
return array(
'extent' => strlen($matches[0]),
'element' => array(
'name' => 'a',
'text' => $url,
'attributes' => array(
'href' => $url,
),
),
);
}
}
# ~
protected function unmarkedText($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 $Element)
{
if ($this->safeMode)
{
$Element = $this->sanitiseElement($Element);
}
$markup = '<'.$Element['name'];
if (isset($Element['attributes']))
{
foreach ($Element['attributes'] as $name =>
$value)
{
if ($value === null)
{
continue;
}
$markup .= '
'.$name.'="'.self::escape($value).'"';
}
}
$permitRawHtml = false;
if (isset($Element['text']))
{
$text = $Element['text'];
}
// very strongly consider an alternative if you're writing an
// extension
elseif (isset($Element['rawHtml']))
{
$text = $Element['rawHtml'];
$allowRawHtmlInSafeMode =
isset($Element['allowRawHtmlInSafeMode']) &&
$Element['allowRawHtmlInSafeMode'];
$permitRawHtml = !$this->safeMode ||
$allowRawHtmlInSafeMode;
}
if (isset($text))
{
$markup .= '>';
if (!isset($Element['nonNestables']))
{
$Element['nonNestables'] = array();
}
if (isset($Element['handler']))
{
$markup .= $this->{$Element['handler']}($text,
$Element['nonNestables']);
}
elseif (!$permitRawHtml)
{
$markup .= self::escape($text, true);
}
else
{
$markup .= $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;
}
protected function sanitiseElement(array $Element)
{
static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/';
static $safeUrlNameToAtt = array(
'a' => 'href',
'img' => 'src',
);
if (isset($safeUrlNameToAtt[$Element['name']]))
{
$Element = $this->filterUnsafeUrlInAttribute($Element,
$safeUrlNameToAtt[$Element['name']]);
}
if ( ! empty($Element['attributes']))
{
foreach ($Element['attributes'] as $att => $val)
{
# filter out badly parsed attribute
if ( ! preg_match($goodAttribute, $att))
{
unset($Element['attributes'][$att]);
}
# dump onevent attribute
elseif (self::striAtStart($att, 'on'))
{
unset($Element['attributes'][$att]);
}
}
}
return $Element;
}
protected function filterUnsafeUrlInAttribute(array $Element,
$attribute)
{
foreach ($this->safeLinksWhitelist as $scheme)
{
if
(self::striAtStart($Element['attributes'][$attribute], $scheme))
{
return $Element;
}
}
$Element['attributes'][$attribute] =
str_replace(':', '%3A',
$Element['attributes'][$attribute]);
return $Element;
}
#
# Static Methods
#
protected static function escape($text, $allowQuotes = false)
{
return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES :
ENT_QUOTES, 'UTF-8');
}
protected static function striAtStart($string, $needle)
{
$len = strlen($needle);
if ($len > strlen($string))
{
return false;
}
else
{
return strtolower(substr($string, 0, $len)) ===
strtolower($needle);
}
}
static function instance($name = 'default')
{
if (isset(self::$instances[$name]))
{
return self::$instances[$name];
}
$instance = new static();
self::$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', 'kbd', 'mark',
'u', 'xm', 'sub', 'nobr',
'sup', 'ruby',
'var', 'span',
'wbr', 'time',
);
}
PKj6�["D_QQparsedown-extra/composer.jsonnu�[���{
"name": "erusev/parsedown-extra",
"description": "An extension of Parsedown that adds
support for Markdown Extra.",
"keywords": ["markdown", "markdown
extra", "parser", "parsedown"],
"homepage":
"https://github.com/erusev/parsedown-extra",
"type": "library",
"license": "MIT",
"authors": [
{
"name": "Emanuil Rusev",
"email": "hello@erusev.com",
"homepage": "http://erusev.com"
}
],
"require": {
"erusev/parsedown": "~1.4"
},
"autoload": {
"psr-0": {"ParsedownExtra": ""}
}
}PKk6�[�����2�2"parsedown-extra/ParsedownExtra.phpnu�[���<?php
#
#
# Parsedown Extra
# https://github.com/erusev/parsedown-extra
#
# (c) Emanuil Rusev
# http://erusev.com
#
# For the full license information, view the LICENSE file that was
distributed
# with this source code.
#
#
class ParsedownExtra extends Parsedown
{
# ~
const version = '0.7.0';
# ~
function __construct()
{
if (parent::version < '1.5.0')
{
throw new Exception('ParsedownExtra requires a later
version of Parsedown');
}
$this->BlockTypes[':'] []= 'DefinitionList';
$this->BlockTypes['*'] []= 'Abbreviation';
# identify footnote definitions before reference definitions
array_unshift($this->BlockTypes['['],
'Footnote');
# identify footnote markers before before links
array_unshift($this->InlineTypes['['],
'FootnoteMarker');
}
#
# ~
function text($text)
{
$markup = parent::text($text);
# merge consecutive dl elements
$markup = preg_replace('/<\/dl>\s+<dl>\s+/',
'', $markup);
# add footnotes
if (isset($this->DefinitionData['Footnote']))
{
$Element = $this->buildFootnoteElement();
$markup .= "\n" . $this->element($Element);
}
return $markup;
}
#
# Blocks
#
#
# Abbreviation
protected function blockAbbreviation($Line)
{
if (preg_match('/^\*\[(.+?)\]:[ ]*(.+?)[ ]*$/',
$Line['text'], $matches))
{
$this->DefinitionData['Abbreviation'][$matches[1]]
= $matches[2];
$Block = array(
'hidden' => true,
);
return $Block;
}
}
#
# Footnote
protected function blockFootnote($Line)
{
if (preg_match('/^\[\^(.+?)\]:[ ]?(.*)$/',
$Line['text'], $matches))
{
$Block = array(
'label' => $matches[1],
'text' => $matches[2],
'hidden' => true,
);
return $Block;
}
}
protected function blockFootnoteContinue($Line, $Block)
{
if ($Line['text'][0] === '[' and
preg_match('/^\[\^(.+?)\]:/', $Line['text']))
{
return;
}
if (isset($Block['interrupted']))
{
if ($Line['indent'] >= 4)
{
$Block['text'] .= "\n\n" .
$Line['text'];
return $Block;
}
}
else
{
$Block['text'] .= "\n" .
$Line['text'];
return $Block;
}
}
protected function blockFootnoteComplete($Block)
{
$this->DefinitionData['Footnote'][$Block['label']] =
array(
'text' => $Block['text'],
'count' => null,
'number' => null,
);
return $Block;
}
#
# Definition List
protected function blockDefinitionList($Line, $Block)
{
if ( ! isset($Block) or isset($Block['type']))
{
return;
}
$Element = array(
'name' => 'dl',
'handler' => 'elements',
'text' => array(),
);
$terms = explode("\n",
$Block['element']['text']);
foreach ($terms as $term)
{
$Element['text'] []= array(
'name' => 'dt',
'handler' => 'line',
'text' => $term,
);
}
$Block['element'] = $Element;
$Block = $this->addDdElement($Line, $Block);
return $Block;
}
protected function blockDefinitionListContinue($Line, array $Block)
{
if ($Line['text'][0] === ':')
{
$Block = $this->addDdElement($Line, $Block);
return $Block;
}
else
{
if (isset($Block['interrupted']) and
$Line['indent'] === 0)
{
return;
}
if (isset($Block['interrupted']))
{
$Block['dd']['handler'] =
'text';
$Block['dd']['text'] .=
"\n\n";
unset($Block['interrupted']);
}
$text = substr($Line['body'],
min($Line['indent'], 4));
$Block['dd']['text'] .= "\n" .
$text;
return $Block;
}
}
#
# Header
protected function blockHeader($Line)
{
$Block = parent::blockHeader($Line);
if (preg_match('/[
#]*{('.$this->regexAttribute.'+)}[ ]*$/',
$Block['element']['text'], $matches,
PREG_OFFSET_CAPTURE))
{
$attributeString = $matches[1][0];
$Block['element']['attributes'] =
$this->parseAttributeData($attributeString);
$Block['element']['text'] =
substr($Block['element']['text'], 0, $matches[0][1]);
}
return $Block;
}
#
# Markup
protected function blockMarkupComplete($Block)
{
if ( ! isset($Block['void']))
{
$Block['markup'] =
$this->processTag($Block['markup']);
}
return $Block;
}
#
# Setext
protected function blockSetextHeader($Line, array $Block = null)
{
$Block = parent::blockSetextHeader($Line, $Block);
if (preg_match('/[
]*{('.$this->regexAttribute.'+)}[ ]*$/',
$Block['element']['text'], $matches,
PREG_OFFSET_CAPTURE))
{
$attributeString = $matches[1][0];
$Block['element']['attributes'] =
$this->parseAttributeData($attributeString);
$Block['element']['text'] =
substr($Block['element']['text'], 0, $matches[0][1]);
}
return $Block;
}
#
# Inline Elements
#
#
# Footnote Marker
protected function inlineFootnoteMarker($Excerpt)
{
if (preg_match('/^\[\^(.+?)\]/',
$Excerpt['text'], $matches))
{
$name = $matches[1];
if ( !
isset($this->DefinitionData['Footnote'][$name]))
{
return;
}
$this->DefinitionData['Footnote'][$name]['count']
++;
if ( !
isset($this->DefinitionData['Footnote'][$name]['number']))
{
$this->DefinitionData['Footnote'][$name]['number'] =
++ $this->footnoteCount; # » &
}
$Element = array(
'name' => 'sup',
'attributes' => array('id' =>
'fnref'.$this->DefinitionData['Footnote'][$name]['count'].':'.$name),
'handler' => 'element',
'text' => array(
'name' => 'a',
'attributes' => array('href'
=> '#fn:'.$name, 'class' =>
'footnote-ref'),
'text' =>
$this->DefinitionData['Footnote'][$name]['number'],
),
);
return array(
'extent' => strlen($matches[0]),
'element' => $Element,
);
}
}
private $footnoteCount = 0;
#
# Link
protected function inlineLink($Excerpt)
{
$Link = parent::inlineLink($Excerpt);
$remainder = substr($Excerpt['text'],
$Link['extent']);
if (preg_match('/^[
]*{('.$this->regexAttribute.'+)}/', $remainder,
$matches))
{
$Link['element']['attributes'] +=
$this->parseAttributeData($matches[1]);
$Link['extent'] += strlen($matches[0]);
}
return $Link;
}
#
# ~
#
protected function unmarkedText($text)
{
$text = parent::unmarkedText($text);
if (isset($this->DefinitionData['Abbreviation']))
{
foreach ($this->DefinitionData['Abbreviation'] as
$abbreviation => $meaning)
{
$pattern = '/\b'.preg_quote($abbreviation,
'/').'\b/';
$text = preg_replace($pattern, '<abbr
title="'.$meaning.'">'.$abbreviation.'</abbr>',
$text);
}
}
return $text;
}
#
# Util Methods
#
protected function addDdElement(array $Line, array $Block)
{
$text = substr($Line['text'], 1);
$text = trim($text);
unset($Block['dd']);
$Block['dd'] = array(
'name' => 'dd',
'handler' => 'line',
'text' => $text,
);
if (isset($Block['interrupted']))
{
$Block['dd']['handler'] = 'text';
unset($Block['interrupted']);
}
$Block['element']['text'] []= &
$Block['dd'];
return $Block;
}
protected function buildFootnoteElement()
{
$Element = array(
'name' => 'div',
'attributes' => array('class' =>
'footnotes'),
'handler' => 'elements',
'text' => array(
array(
'name' => 'hr',
),
array(
'name' => 'ol',
'handler' => 'elements',
'text' => array(),
),
),
);
uasort($this->DefinitionData['Footnote'],
'self::sortFootnotes');
foreach ($this->DefinitionData['Footnote'] as
$definitionId => $DefinitionData)
{
if ( ! isset($DefinitionData['number']))
{
continue;
}
$text = $DefinitionData['text'];
$text = parent::text($text);
$numbers = range(1, $DefinitionData['count']);
$backLinksMarkup = '';
foreach ($numbers as $number)
{
$backLinksMarkup .= ' <a
href="#fnref'.$number.':'.$definitionId.'"
rev="footnote"
class="footnote-backref">↩</a>';
}
$backLinksMarkup = substr($backLinksMarkup, 1);
if (substr($text, - 4) === '</p>')
{
$backLinksMarkup = ' '.$backLinksMarkup;
$text = substr_replace($text,
$backLinksMarkup.'</p>', - 4);
}
else
{
$text .=
"\n".'<p>'.$backLinksMarkup.'</p>';
}
$Element['text'][1]['text'] []= array(
'name' => 'li',
'attributes' => array('id' =>
'fn:'.$definitionId),
'text' => "\n".$text."\n",
);
}
return $Element;
}
# ~
protected function parseAttributeData($attributeString)
{
$Data = array();
$attributes = preg_split('/[ ]+/', $attributeString, - 1,
PREG_SPLIT_NO_EMPTY);
foreach ($attributes as $attribute)
{
if ($attribute[0] === '#')
{
$Data['id'] = substr($attribute, 1);
}
else # "."
{
$classes []= substr($attribute, 1);
}
}
if (isset($classes))
{
$Data['class'] = implode(' ', $classes);
}
return $Data;
}
# ~
protected function processTag($elementMarkup) # recursive
{
# http://stackoverflow.com/q/1148928/200145
libxml_use_internal_errors(true);
$DOMDocument = new DOMDocument;
# http://stackoverflow.com/q/11309194/200145
$elementMarkup = mb_convert_encoding($elementMarkup,
'HTML-ENTITIES', 'UTF-8');
# http://stackoverflow.com/q/4879946/200145
$DOMDocument->loadHTML($elementMarkup);
$DOMDocument->removeChild($DOMDocument->doctype);
$DOMDocument->replaceChild($DOMDocument->firstChild->firstChild->firstChild,
$DOMDocument->firstChild);
$elementText = '';
if
($DOMDocument->documentElement->getAttribute('markdown')
=== '1')
{
foreach ($DOMDocument->documentElement->childNodes as
$Node)
{
$elementText .= $DOMDocument->saveHTML($Node);
}
$DOMDocument->documentElement->removeAttribute('markdown');
$elementText =
"\n".$this->text($elementText)."\n";
}
else
{
foreach ($DOMDocument->documentElement->childNodes as
$Node)
{
$nodeMarkup = $DOMDocument->saveHTML($Node);
if ($Node instanceof DOMElement and !
in_array($Node->nodeName, $this->textLevelElements))
{
$elementText .= $this->processTag($nodeMarkup);
}
else
{
$elementText .= $nodeMarkup;
}
}
}
# because we don't want for markup to get encoded
$DOMDocument->documentElement->nodeValue =
'placeholder\x1A';
$markup =
$DOMDocument->saveHTML($DOMDocument->documentElement);
$markup = str_replace('placeholder\x1A', $elementText,
$markup);
return $markup;
}
# ~
protected function sortFootnotes($A, $B) # callback
{
return $A['number'] - $B['number'];
}
#
# Fields
#
protected $regexAttribute = '(?:[#.][-\w]+[ ]*)';
}
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