tags allowed)
- * Added wiki style internal link parsing
- * Added wiki style internal link parsing with display text
- * Added image support
- */
-class Parsedown_Slimdown_Extensions {
- public static $rules = array (
- '/\r\n/' => "\n", // new line normalisation
-
- '/\[\[([a-zA-Z0-9\_\- ]+)\|([a-zA-Z0-9\_\- ]+)\]\]/' => '\2', //internal links with display text
- '/\[\[([a-zA-Z0-9\_\- ]+)\]\]/' => '\1', //internal links
- );
-
- /**
- * Add a rule.
- */
- public static function add_rule ($regex, $replacement) {
- self::$rules[$regex] = $replacement;
- }
- /**
- * Render some Markdown into HTML.
- */
- public static function render ($text) {
- foreach (self::$rules as $regex => $replacement) {
- if (is_callable ( $replacement)) {
- $text = preg_replace_callback ($regex, $replacement, $text);
- } else {
- $text = preg_replace ($regex, $replacement, $text);
- }
- }
- return trim ($text);
- }
-}
-
-
-#
-#
-# 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 = '1.5.4';
-
- # ~
-
- 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;
-
- #
- # 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
- #
-
- 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['continuable']))
- {
- $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);
- }
- }
- }
-
- # ~
-
- $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['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 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[1]))
- {
- $class = 'language-'.$matches[1];
-
- $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))
- {
- $element = strtolower($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('/^\[(.+?)\]:[ ]*?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $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 = '';
-
- # $excerpt is based on the first occurrence of a marker
-
- while ($excerpt = strpbrk($text, $this->inlineMarkerList))
- {
- $marker = $excerpt[0];
-
- $markerPosition = strpos($text, $marker);
-
- $Excerpt = array('text' => $excerpt, 'context' => $text);
-
- foreach ($this->InlineTypes[$marker] as $inlineType)
- {
- $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;
- }
-
- # 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.'+)[ ]*(.+?)[ ]*(? 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);
-
-// var_dump($Excerpt);
-
- // %addition%
- // Addition by Starbeamrainbowlabs that adds support for image sizing
- // and floating
-
- $url_start = strpos($Excerpt["text"], "(");
- $url_end = strpos($Excerpt["text"], ")");
- $url = substr($Excerpt["text"], $url_start, $url_end - $url_start);
- $style = "";
- if(preg_match("/\s+/", $url) === 1)
- {
- // We have spaces in the url - there are parameters lying around!
- $parts = preg_split("/\s+/", $url);
- $part_url = $parts[0];
- $part_size = $parts[1];
- $part_float = false;
- if(isset($parts[2]))
- $part_float = $parts[2];
-
- // Calculate the length of the bit that we removed
- $parameter_length = strlen($url) - strlen($part_url);
-
- // Add a filler string onto the url to hide the parameters
- $part_url .= str_repeat("x", $parameter_length);
-
- // Remove the parameters so that the link parser doesn't get confused
- $Excerpt["text"] = str_replace($url, $part_url, $Excerpt["text"]);
-
- // Build a string of CSS to represent the parameters
- $style .= "max-width: $part_size; max-height: $part_size;";
- if($part_float !== false)
- $style .= " float: $part_float;";
-
- }
-
- $Link = $this->inlineLink($Excerpt);
- // %addition_end%
-
-// var_dump($Link);
-
- if ($Link === null)
- {
- return;
- }
-
- $Inline = array(
- 'extent' => $Link['extent'] + 1,
- 'element' => array(
- 'name' => 'img',
- 'attributes' => array(
- 'src' => $Link['element']['attributes']['href'],
- 'alt' => $Link['element']['text'],
- ),
- ),
- );
-
- // %addition%
- // Add the style to the image element
- if(strlen($style) > 0)
- $Inline["element"]["attributes"]["style"] = $style;
- // Remove the filler from the src
- $Inline["element"]["attributes"]["src"] = substr($Inline["element"]["attributes"]["src"], 0, strlen($url) - $parameter_length - 1);
- // %addition_end%
-
- $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))
- {
- $definition = strlen($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(
- '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/', "
\n", $text);
- }
- else
- {
- $text = preg_replace('/(?:[ ][ ]+|[ ]*\\\\)\n/', "
\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 .= '';
- }
- 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) === '
') - { - $markup = $trimmedMarkup; - $markup = substr($markup, 3); - - $position = strpos($markup, "
"); - - $markup = substr_replace($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]; - } - - $instance = new static(); - - self::$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', 'sub', 'mark', - 'u', 'xm', 'sup', 'nobr', - 'var', 'ruby', - 'wbr', 'span', - 'time', - ); -} - -# -# -# 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+- \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; # ยป &
- }
-
- $Element = array(
- 'name' => 'sup',
- 'attributes' => array('id' => 'fnref'.$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, ''.$abbreviation.'', $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 .= ' ↩';
- }
-
- $backLinksMarkup = substr($backLinksMarkup, 1);
-
- if (substr($text, - 4) === '')
- {
- $backLinksMarkup = ' '.$backLinksMarkup;
-
- $text = substr_replace($text, $backLinksMarkup.'', - 4);
- }
- else
- {
- $text .= "\n".'
'.$backLinksMarkup.'
'; - } - - $Element['text'][1]['text'] []= array( - 'name' => 'li', - 'attributes' => array('id' => 'fn:'.$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'; - - $markup = $DOMDocument->saveHTML($DOMDocument->documentElement); - $markup = str_replace('placeholder', $elementText, $markup); - - return $markup; - } - - # ~ - - protected function sortFootnotes($A, $B) # callback - { - return $A['number'] - $B['number']; - } - - # - # Fields - # - - protected $regexAttribute = '(?:[#.][-\w]+[ ]*)'; -} - - - // %next_module% // diff --git a/core.php b/core.php index ef61ba3..d361d73 100644 --- a/core.php +++ b/core.php @@ -407,10 +407,27 @@ class page_renderer if($body_template === false) $body_template = self::$main_content_template; + if(strlen($settings->logo_url) > 0) + { + // A logo url has been specified + $logo_html = "