+++ /dev/null
-<?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 = '1.5.1';
-
- # ~
-
- 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
- {
- $Block['closed'] = true;
- }
- }
-
- if (isset($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('&', '<'), $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' => '&',
- '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('&', '<'), $matches[1]);
-
- return array(
- 'extent' => strlen($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)
- {
- $markup = '<'.$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',
- );
-}
projects / friendica.git / commitdiff