class Parsedown
{
- #
- # Philosophy
+ # ~
- # Parsedown recognises that the Markdown syntax is optimised for humans so
- # it tries to read like one. It goes through text line by line. It looks at
- # how lines start to identify blocks. It looks for special characters to
- # identify inline elements.
+ const version = '1.5.3';
- #
# ~
function text($text)
{
# make sure no definitions are set
- $this->Definitions = array();
+ $this->DefinitionData = array();
# standardize line breaks
- $text = str_replace("\r\n", "\n", $text);
- $text = str_replace("\r", "\n", $text);
-
- # replace tabs with spaces
- $text = str_replace("\t", ' ', $text);
+ $text = str_replace(array("\r\n", "\r"), "\n", $text);
# remove surrounding line breaks
$text = trim($text, "\n");
# Setters
#
- private $breaksEnabled;
-
function setBreaksEnabled($breaksEnabled)
{
$this->breaksEnabled = $breaksEnabled;
return $this;
}
- private $markupEscaped;
+ protected $breaksEnabled;
function setMarkupEscaped($markupEscaped)
{
return $this;
}
+ protected $markupEscaped;
+
+ function setUrlsLinked($urlsLinked)
+ {
+ $this->urlsLinked = $urlsLinked;
+
+ return $this;
+ }
+
+ protected $urlsLinked = true;
+
#
# Lines
#
protected $BlockTypes = array(
- '#' => array('Atx'),
+ '#' => array('Header'),
'*' => array('Rule', 'List'),
'+' => array('List'),
- '-' => array('Setext', 'Table', 'Rule', 'List'),
+ '-' => array('SetextHeader', 'Table', 'Rule', 'List'),
'0' => array('List'),
'1' => array('List'),
'2' => array('List'),
'9' => array('List'),
':' => array('Table'),
'<' => array('Comment', 'Markup'),
- '=' => array('Setext'),
+ '=' => array('SetextHeader'),
'>' => array('Quote'),
+ '[' => array('Reference'),
'_' => array('Rule'),
'`' => array('FencedCode'),
'|' => array('Table'),
# ~
protected $unmarkedBlockTypes = array(
- 'CodeBlock',
+ 'Code',
);
#
continue;
}
+ if (strpos($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] === ' ')
if (isset($CurrentBlock['incomplete']))
{
- $Block = $this->{'addTo'.$CurrentBlock['type']}($Line, $CurrentBlock);
+ $Block = $this->{'block'.$CurrentBlock['type'].'Continue'}($Line, $CurrentBlock);
if (isset($Block))
{
}
else
{
- if (method_exists($this, 'complete'.$CurrentBlock['type']))
+ if (method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))
{
- $CurrentBlock = $this->{'complete'.$CurrentBlock['type']}($CurrentBlock);
+ $CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
}
unset($CurrentBlock['incomplete']);
$marker = $text[0];
- if (isset($this->DefinitionTypes[$marker]))
- {
- foreach ($this->DefinitionTypes[$marker] as $definitionType)
- {
- $Definition = $this->{'identify'.$definitionType}($Line, $CurrentBlock);
-
- if (isset($Definition))
- {
- $this->Definitions[$definitionType][$Definition['id']] = $Definition['data'];
-
- continue 2;
- }
- }
- }
-
# ~
$blockTypes = $this->unmarkedBlockTypes;
foreach ($blockTypes as $blockType)
{
- $Block = $this->{'identify'.$blockType}($Line, $CurrentBlock);
+ $Block = $this->{'block'.$blockType}($Line, $CurrentBlock);
if (isset($Block))
{
if ( ! isset($Block['identified']))
{
- $Elements []= $CurrentBlock['element'];
+ $Blocks []= $CurrentBlock;
$Block['identified'] = true;
}
- if (method_exists($this, 'addTo'.$blockType))
+ if (method_exists($this, 'block'.$blockType.'Continue'))
{
$Block['incomplete'] = true;
}
}
else
{
- $Elements []= $CurrentBlock['element'];
+ $Blocks []= $CurrentBlock;
- $CurrentBlock = $this->buildParagraph($Line);
+ $CurrentBlock = $this->paragraph($Line);
$CurrentBlock['identified'] = true;
}
# ~
- if (isset($CurrentBlock['incomplete']) and method_exists($this, 'complete'.$CurrentBlock['type']))
+ if (isset($CurrentBlock['incomplete']) and method_exists($this, 'block'.$CurrentBlock['type'].'Complete'))
{
- $CurrentBlock = $this->{'complete'.$CurrentBlock['type']}($CurrentBlock);
+ $CurrentBlock = $this->{'block'.$CurrentBlock['type'].'Complete'}($CurrentBlock);
}
# ~
- $Elements []= $CurrentBlock['element'];
-
- unset($Elements[0]);
+ $Blocks []= $CurrentBlock;
- # ~
-
- $markup = $this->elements($Elements);
+ unset($Blocks[0]);
# ~
- return $markup;
- }
-
- #
- # Atx
+ $markup = '';
- protected function identifyAtx($Line)
- {
- if (isset($Line['text'][1]))
+ foreach ($Blocks as $Block)
{
- $level = 1;
-
- while (isset($Line['text'][$level]) and $Line['text'][$level] === '#')
+ if (isset($Block['hidden']))
{
- $level ++;
+ continue;
}
- $text = trim($Line['text'], '# ');
+ $markup .= "\n";
+ $markup .= isset($Block['markup']) ? $Block['markup'] : $this->element($Block['element']);
+ }
- $Block = array(
- 'element' => array(
- 'name' => 'h' . min(6, $level),
- 'text' => $text,
- 'handler' => 'line',
- ),
- );
+ $markup .= "\n";
- return $Block;
- }
+ # ~
+
+ return $markup;
}
#
# Code
- protected function identifyCodeBlock($Line)
+ 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);
}
}
- protected function addToCodeBlock($Line, $Block)
+ protected function blockCodeContinue($Line, $Block)
{
if ($Line['indent'] >= 4)
{
}
}
- protected function completeCodeBlock($Block)
+ protected function blockCodeComplete($Block)
{
$text = $Block['element']['text']['text'];
#
# Comment
- protected function identifyComment($Line)
+ protected function blockComment($Line)
{
if ($this->markupEscaped)
{
if (isset($Line['text'][3]) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!')
{
$Block = array(
- 'element' => $Line['body'],
+ 'markup' => $Line['body'],
);
if (preg_match('/-->$/', $Line['text']))
}
}
- protected function addToComment($Line, array $Block)
+ protected function blockCommentContinue($Line, array $Block)
{
if (isset($Block['closed']))
{
return;
}
- $Block['element'] .= "\n" . $Line['body'];
+ $Block['markup'] .= "\n" . $Line['body'];
if (preg_match('/-->$/', $Line['text']))
{
#
# Fenced Code
- protected function identifyFencedCode($Line)
+ protected function blockFencedCode($Line)
{
if (preg_match('/^(['.$Line['text'][0].']{3,})[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches))
{
}
}
- protected function addToFencedCode($Line, $Block)
+ protected function blockFencedCodeContinue($Line, $Block)
{
if (isset($Block['complete']))
{
return $Block;
}
- protected function completeFencedCode($Block)
+ protected function blockFencedCodeComplete($Block)
{
$text = $Block['element']['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 $Block;
+ }
+ }
+
#
# List
- protected function identifyList($Line)
+ protected function blockList($Line)
{
list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]+[.]');
}
}
- protected function addToList($Line, array $Block)
+ protected function blockListContinue($Line, array $Block)
{
- if ($Block['indent'] === $Line['indent'] and preg_match('/^'.$Block['pattern'].'[ ]+(.*)/', $Line['text'], $matches))
+ if ($Block['indent'] === $Line['indent'] and preg_match('/^'.$Block['pattern'].'(?:[ ]+(.*)|$)/', $Line['text'], $matches))
{
if (isset($Block['interrupted']))
{
unset($Block['li']);
+ $text = isset($matches[1]) ? $matches[1] : '';
+
$Block['li'] = array(
'name' => 'li',
'handler' => 'li',
'text' => array(
- $matches[1],
+ $text,
),
);
return $Block;
}
+ if ($Line['text'][0] === '[' and $this->blockReference($Line))
+ {
+ return $Block;
+ }
+
if ( ! isset($Block['interrupted']))
{
$text = preg_replace('/^[ ]{0,4}/', '', $Line['body']);
#
# Quote
- protected function identifyQuote($Line)
+ protected function blockQuote($Line)
{
if (preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))
{
}
}
- protected function addToQuote($Line, array $Block)
+ protected function blockQuoteContinue($Line, array $Block)
{
if ($Line['text'][0] === '>' and preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))
{
#
# Rule
- protected function identifyRule($Line)
+ protected function blockRule($Line)
{
- if (preg_match('/^(['.$Line['text'][0].'])([ ]{0,2}\1){2,}[ ]*$/', $Line['text']))
+ if (preg_match('/^(['.$Line['text'][0].'])([ ]*\1){2,}[ ]*$/', $Line['text']))
{
$Block = array(
'element' => array(
#
# Setext
- protected function identifySetext($Line, array $Block = null)
+ protected function blockSetextHeader($Line, array $Block = null)
{
if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
{
#
# Markup
- protected function identifyMarkup($Line)
+ protected function blockMarkup($Line)
{
if ($this->markupEscaped)
{
return;
}
- if (preg_match('/^<(\w[\w\d]*)(?:[ ][^>]*)?(\/?)[ ]*>/', $Line['text'], $matches))
+ if (preg_match('/^<(\w*)(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*(\/)?>/', $Line['text'], $matches))
{
if (in_array($matches[1], $this->textLevelElements))
{
}
$Block = array(
- 'element' => $Line['body'],
+ 'name' => $matches[1],
+ 'depth' => 0,
+ 'markup' => $Line['text'],
);
- if ($matches[2] or in_array($matches[1], $this->voidElements) or preg_match('/<\/'.$matches[1].'>[ ]*$/', $Line['text']))
+ $length = strlen($matches[0]);
+
+ $remainder = substr($Line['text'], $length);
+
+ if (trim($remainder) === '')
{
- $Block['closed'] = true;
+ if (isset($matches[2]) or in_array($matches[1], $this->voidElements))
+ {
+ $Block['closed'] = true;
+
+ $Block['void'] = true;
+ }
}
else
{
- $Block['depth'] = 0;
- $Block['name'] = $matches[1];
+ if (isset($matches[2]) or in_array($matches[1], $this->voidElements))
+ {
+ return;
+ }
+
+ if (preg_match('/<\/'.$matches[1].'>[ ]*$/i', $remainder))
+ {
+ $Block['closed'] = true;
+ }
}
return $Block;
}
}
- protected function addToMarkup($Line, array $Block)
+ protected function blockMarkupContinue($Line, array $Block)
{
if (isset($Block['closed']))
{
return;
}
- if (preg_match('/<'.$Block['name'].'([ ].*[\'"])?[ ]*>/', $Line['text'])) # opening tag
+ if (preg_match('/^<'.$Block['name'].'(?:[ ]*'.$this->regexHtmlAttribute.')*[ ]*>/i', $Line['text'])) # open
{
$Block['depth'] ++;
}
- if (stripos($Line['text'], '</'.$Block['name'].'>') !== false) # closing tag
+ if (preg_match('/(.*?)<\/'.$Block['name'].'>[ ]*$/i', $Line['text'], $matches)) # close
{
if ($Block['depth'] > 0)
{
if (isset($Block['interrupted']))
{
- $Block['element'] .= "\n";
+ $Block['markup'] .= "\n";
unset($Block['interrupted']);
}
- $Block['element'] .= "\n".$Line['body'];
+ $Block['markup'] .= "\n".$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 $Block;
+ }
+ }
+
#
# Table
- protected function identifyTable($Line, array $Block = null)
+ protected function blockTable($Line, array $Block = null)
{
if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
{
$alignment = 'left';
}
- if (substr($dividerCell, -1) === ':')
+ if (substr($dividerCell, - 1) === ':')
{
$alignment = $alignment === 'left' ? 'center' : 'right';
}
$alignment = $alignments[$index];
$HeaderElement['attributes'] = array(
- 'align' => $alignment,
+ 'style' => 'text-align: '.$alignment.';',
);
}
}
}
- protected function addToTable($Line, array $Block)
+ protected function blockTableContinue($Line, array $Block)
{
+ if (isset($Block['interrupted']))
+ {
+ return;
+ }
+
if ($Line['text'][0] === '|' or strpos($Line['text'], '|'))
{
$Elements = array();
$row = trim($row);
$row = trim($row, '|');
- $cells = explode('|', $row);
+ preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches);
- foreach ($cells as $index => $cell)
+ foreach ($matches[0] as $index => $cell)
{
$cell = trim($cell);
if (isset($Block['alignments'][$index]))
{
$Element['attributes'] = array(
- 'align' => $Block['alignments'][$index],
+ 'style' => 'text-align: '.$Block['alignments'][$index].';',
);
}
}
}
- #
- # Definitions
- #
-
- protected function identifyReference($Line)
- {
- if (preg_match('/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches))
- {
- $Definition = array(
- 'id' => strtolower($matches[1]),
- 'data' => array(
- 'url' => $matches[2],
- ),
- );
-
- if (isset($matches[3]))
- {
- $Definition['data']['title'] = $matches[3];
- }
-
- return $Definition;
- }
- }
-
#
# ~
#
- protected function buildParagraph($Line)
+ protected function paragraph($Line)
{
$Block = array(
'element' => array(
}
#
- # ~
- #
-
- protected function element(array $Element)
- {
- $markup = '<'.$Element['name'];
-
- if (isset($Element['attributes']))
- {
- foreach ($Element['attributes'] as $name => $value)
- {
- $markup .= ' '.$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 $Element)
- {
- if ($Element === null)
- {
- continue;
- }
-
- $markup .= "\n";
-
- if (is_string($Element)) # because of Markup
- {
- $markup .= $Element;
-
- continue;
- }
-
- $markup .= $this->element($Element);
- }
-
- $markup .= "\n";
-
- return $markup;
- }
-
- #
- # Spans
+ # Inline Elements
#
- protected $SpanTypes = array(
- '!' => array('Link'), # ?
- '&' => array('Ampersand'),
+ protected $InlineTypes = array(
+ '"' => array('SpecialCharacter'),
+ '!' => array('Image'),
+ '&' => array('SpecialCharacter'),
'*' => array('Emphasis'),
- '/' => array('Url'),
- '<' => array('UrlTag', 'EmailTag', 'Tag', 'LessThan'),
- '>' => array('GreaterThan'),
+ ':' => array('Url'),
+ '<' => array('UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter'),
+ '>' => array('SpecialCharacter'),
'[' => array('Link'),
'_' => array('Emphasis'),
- '`' => array('InlineCode'),
+ '`' => array('Code'),
'~' => array('Strikethrough'),
'\\' => array('EscapeSequence'),
);
# ~
- protected $spanMarkerList = '*_!&[<>/`~\\';
+ protected $inlineMarkerList = '!"*_&[:<>`~\\';
#
# ~
{
$markup = '';
- $remainder = $text;
+ $unexaminedText = $text;
$markerPosition = 0;
- while ($excerpt = strpbrk($remainder, $this->spanMarkerList))
+ while ($excerpt = strpbrk($unexaminedText, $this->inlineMarkerList))
{
$marker = $excerpt[0];
- $markerPosition += strpos($remainder, $marker);
+ $markerPosition += strpos($unexaminedText, $marker);
$Excerpt = array('text' => $excerpt, 'context' => $text);
- foreach ($this->SpanTypes[$marker] as $spanType)
+ foreach ($this->InlineTypes[$marker] as $inlineType)
{
- $handler = 'identify'.$spanType;
+ $Inline = $this->{'inline'.$inlineType}($Excerpt);
- $Span = $this->$handler($Excerpt);
-
- if ( ! isset($Span))
+ if ( ! isset($Inline))
{
continue;
}
- # The identified span can be ahead of the marker.
-
- if (isset($Span['position']) and $Span['position'] > $markerPosition)
+ if (isset($Inline['position']) and $Inline['position'] > $markerPosition) # position is ahead of marker
{
continue;
}
- # Spans that start at the position of their marker don't have to set a position.
-
- if ( ! isset($Span['position']))
+ if ( ! isset($Inline['position']))
{
- $Span['position'] = $markerPosition;
+ $Inline['position'] = $markerPosition;
}
- $plainText = substr($text, 0, $Span['position']);
+ $unmarkedText = substr($text, 0, $Inline['position']);
- $markup .= $this->readPlainText($plainText);
+ $markup .= $this->unmarkedText($unmarkedText);
- $markup .= isset($Span['markup']) ? $Span['markup'] : $this->element($Span['element']);
+ $markup .= isset($Inline['markup']) ? $Inline['markup'] : $this->element($Inline['element']);
- $text = substr($text, $Span['position'] + $Span['extent']);
+ $text = substr($text, $Inline['position'] + $Inline['extent']);
- $remainder = $text;
+ $unexaminedText = $text;
$markerPosition = 0;
continue 2;
}
- $remainder = substr($excerpt, 1);
+ $unexaminedText = substr($excerpt, 1);
$markerPosition ++;
}
- $markup .= $this->readPlainText($text);
+ $markup .= $this->unmarkedText($text);
return $markup;
}
# ~
#
- protected function identifyUrl($Excerpt)
+ protected function inlineCode($Excerpt)
{
- if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '/')
- {
- return;
- }
+ $marker = $Excerpt['text'][0];
- if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
+ if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
{
- $url = str_replace(array('&', '<'), array('&', '<'), $matches[0][0]);
+ $text = $matches[2];
+ $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
+ $text = preg_replace("/[ ]*\n/", ' ', $text);
return array(
- 'extent' => strlen($matches[0][0]),
- 'position' => $matches[0][1],
+ 'extent' => strlen($matches[0]),
'element' => array(
- 'name' => 'a',
- 'text' => $url,
- 'attributes' => array(
- 'href' => $url,
- ),
+ 'name' => 'code',
+ 'text' => $text,
),
);
}
}
- protected function identifyAmpersand($Excerpt)
+ protected function inlineEmailTag($Excerpt)
{
- if ( ! preg_match('/^&#?\w+;/', $Excerpt['text']))
+ if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches))
{
+ $url = $matches[1];
+
+ if ( ! isset($matches[2]))
+ {
+ $url = 'mailto:' . $url;
+ }
+
return array(
- 'markup' => '&',
- 'extent' => 1,
+ 'extent' => strlen($matches[0]),
+ 'element' => array(
+ 'name' => 'a',
+ 'text' => $matches[1],
+ 'attributes' => array(
+ 'href' => $url,
+ ),
+ ),
);
}
}
- protected function identifyStrikethrough($Excerpt)
+ protected function inlineEmphasis($Excerpt)
{
if ( ! isset($Excerpt['text'][1]))
{
return;
}
- if ($Excerpt['text'][1] === '~' and preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches))
+ $marker = $Excerpt['text'][0];
+
+ if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches))
{
- return array(
- 'extent' => strlen($matches[0]),
- 'element' => array(
- 'name' => 'del',
- 'text' => $matches[1],
- 'handler' => 'line',
- ),
- );
+ $emphasis = 'strong';
}
+ elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches))
+ {
+ $emphasis = 'em';
+ }
+ else
+ {
+ return;
+ }
+
+ return array(
+ 'extent' => strlen($matches[0]),
+ 'element' => array(
+ 'name' => $emphasis,
+ 'handler' => 'line',
+ 'text' => $matches[1],
+ ),
+ );
}
- protected function identifyEscapeSequence($Excerpt)
+ protected function inlineEscapeSequence($Excerpt)
{
if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters))
{
}
}
- protected function identifyLessThan()
+ protected function inlineImage($Excerpt)
{
- return array(
- 'markup' => '<',
- 'extent' => 1,
+ 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 $Inline;
}
- protected function identifyGreaterThan()
+ protected function inlineLink($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))
+ {
+ $definition = strlen($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'];
+ }
+
+ $Element['attributes']['href'] = str_replace(array('&', '<'), array('&', '<'), $Element['attributes']['href']);
+
return array(
- 'markup' => '>',
- 'extent' => 1,
+ 'extent' => $extent,
+ 'element' => $Element,
);
}
- protected function identifyUrlTag($Excerpt)
+ protected function inlineMarkup($Excerpt)
{
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(https?:[\/]{2}[^\s]+?)>/i', $Excerpt['text'], $matches))
+ if ($this->markupEscaped or strpos($Excerpt['text'], '>') === false)
{
- $url = str_replace(array('&', '<'), array('&', '<'), $matches[1]);
+ return;
+ }
+ if ($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]),
- 'element' => array(
- 'name' => 'a',
- 'text' => $url,
- 'attributes' => array(
- 'href' => $url,
- ),
- ),
);
}
}
- protected function identifyEmailTag($Excerpt)
+ protected function inlineSpecialCharacter($Excerpt)
{
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\S+?@\S+?)>/', $Excerpt['text'], $matches))
+ if ($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' => 'a',
+ 'name' => 'del',
'text' => $matches[1],
- 'attributes' => array(
- 'href' => 'mailto:'.$matches[1],
- ),
+ 'handler' => 'line',
),
);
}
}
- protected function identifyTag($Excerpt)
+ protected function inlineUrl($Excerpt)
{
- if ($this->markupEscaped)
+ if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')
{
return;
}
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<\/?\w.*?>/s', $Excerpt['text'], $matches))
+ if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
{
- return array(
- 'markup' => $matches[0],
- 'extent' => strlen($matches[0]),
+ $Inline = array(
+ 'extent' => strlen($matches[0][0]),
+ 'position' => $matches[0][1],
+ 'element' => array(
+ 'name' => 'a',
+ 'text' => $matches[0][0],
+ 'attributes' => array(
+ 'href' => $matches[0][0],
+ ),
+ ),
);
+
+ return $Inline;
}
}
- protected function identifyInlineCode($Excerpt)
+ protected function inlineUrlTag($Excerpt)
{
- $marker = $Excerpt['text'][0];
-
- if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
+ if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches))
{
- $text = $matches[2];
- $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
- $text = preg_replace("/[ ]*\n/", ' ', $text);
+ $url = str_replace(array('&', '<'), array('&', '<'), $matches[1]);
return array(
'extent' => strlen($matches[0]),
'element' => array(
- 'name' => 'code',
- 'text' => $text,
+ 'name' => 'a',
+ 'text' => $url,
+ 'attributes' => array(
+ 'href' => $url,
+ ),
),
);
}
}
- protected function identifyLink($Excerpt)
- {
- $extent = $Excerpt['text'][0] === '!' ? 1 : 0;
+ # ~
- if (strpos($Excerpt['text'], ']') and preg_match('/\[((?:[^][]|(?R))*)\]/', $Excerpt['text'], $matches))
+ protected function unmarkedText($text)
+ {
+ if ($this->breaksEnabled)
{
- $Link = array('text' => $matches[1], 'label' => strtolower($matches[1]));
-
- $extent += strlen($matches[0]);
+ $text = preg_replace('/[ ]*\n/', "<br />\n", $text);
+ }
+ else
+ {
+ $text = preg_replace('/(?:[ ][ ]+|[ ]*\\\\)\n/', "<br />\n", $text);
+ $text = str_replace(" \n", "\n", $text);
+ }
- $substring = substr($Excerpt['text'], $extent);
+ return $text;
+ }
- if (preg_match('/^\s*\[([^][]+)\]/', $substring, $matches))
- {
- $Link['label'] = strtolower($matches[1]);
+ #
+ # Handlers
+ #
- if (isset($this->Definitions['Reference'][$Link['label']]))
- {
- $Link += $this->Definitions['Reference'][$Link['label']];
+ protected function element(array $Element)
+ {
+ $markup = '<'.$Element['name'];
- $extent += strlen($matches[0]);
- }
- else
- {
- return;
- }
- }
- elseif (isset($this->Definitions['Reference'][$Link['label']]))
+ if (isset($Element['attributes']))
+ {
+ foreach ($Element['attributes'] as $name => $value)
{
- $Link += $this->Definitions['Reference'][$Link['label']];
-
- if (preg_match('/^[ ]*\[\]/', $substring, $matches))
+ if ($value === null)
{
- $extent += strlen($matches[0]);
+ continue;
}
+
+ $markup .= ' '.$name.'="'.$value.'"';
}
- elseif (preg_match('/^\([ ]*(.*?)(?:[ ]+[\'"](.+?)[\'"])?[ ]*\)/', $substring, $matches))
- {
- $Link['url'] = $matches[1];
+ }
- if (isset($matches[2]))
- {
- $Link['title'] = $matches[2];
- }
+ if (isset($Element['text']))
+ {
+ $markup .= '>';
- $extent += strlen($matches[0]);
+ if (isset($Element['handler']))
+ {
+ $markup .= $this->{$Element['handler']}($Element['text']);
}
else
{
- return;
+ $markup .= $Element['text'];
}
- }
- else
- {
- return;
- }
- $url = str_replace(array('&', '<'), array('&', '<'), $Link['url']);
-
- if ($Excerpt['text'][0] === '!')
- {
- $Element = array(
- 'name' => 'img',
- 'attributes' => array(
- 'src' => $url,
- 'alt' => $Link['text'],
- ),
- );
+ $markup .= '</'.$Element['name'].'>';
}
else
{
- $Element = array(
- 'name' => 'a',
- 'handler' => 'line',
- 'text' => $Link['text'],
- 'attributes' => array(
- 'href' => $url,
- ),
- );
- }
-
- if (isset($Link['title']))
- {
- $Element['attributes']['title'] = $Link['title'];
+ $markup .= ' />';
}
- return array(
- 'extent' => $extent,
- 'element' => $Element,
- );
+ return $markup;
}
- protected function identifyEmphasis($Excerpt)
+ protected function elements(array $Elements)
{
- if ( ! isset($Excerpt['text'][1]))
- {
- return;
- }
-
- $marker = $Excerpt['text'][0];
+ $markup = '';
- if ($Excerpt['text'][1] === $marker and preg_match($this->StrongRegex[$marker], $Excerpt['text'], $matches))
- {
- $emphasis = 'strong';
- }
- elseif (preg_match($this->EmRegex[$marker], $Excerpt['text'], $matches))
- {
- $emphasis = 'em';
- }
- else
+ foreach ($Elements as $Element)
{
- return;
+ $markup .= "\n" . $this->element($Element);
}
- return array(
- 'extent' => strlen($matches[0]),
- 'element' => array(
- 'name' => $emphasis,
- 'handler' => 'line',
- 'text' => $matches[1],
- ),
- );
- }
-
- #
- # ~
-
- protected function readPlainText($text)
- {
- $breakMarker = $this->breaksEnabled ? "\n" : array(" \n", "\\\n");
-
- $text = str_replace($breakMarker, "<br />\n", $text);
- $text = str_replace(" \n", "\n", $text);
+ $markup .= "\n";
- return $text;
+ return $markup;
}
- #
# ~
- #
protected function li($lines)
{
}
#
- # Multiton
+ # Deprecated Methods
+ #
+
+ function parse($text)
+ {
+ $markup = $this->text($text);
+
+ return $markup;
+ }
+
+ #
+ # Static Methods
#
static function instance($name = 'default')
private static $instances = array();
- #
- # Deprecated Methods
- #
-
- /**
- * @deprecated in favor of "text"
- */
- function parse($text)
- {
- $markup = $this->text($text);
-
- return $markup;
- }
-
#
# Fields
#
- protected $Definitions;
+ protected $DefinitionData;
#
- # Read-only
+ # Read-Only
protected $specialCharacters = array(
- '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!',
+ '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|',
);
protected $StrongRegex = array(
'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\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',
);
projects / nb.git / commitdiff