From 5cd7e6f4691ce5f56a5793f1e134b1d4bfd95207 Mon Sep 17 00:00:00 2001
From: Diego Najar \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.'
'; - } - - $Element['text'][1]['text'] []= array( - 'name' => 'li', - 'attributes' => array('id' => 'fn:'.$definitionId), - 'text' => "\n".$text."\n", - ); - } - - return $Element; - } - - # ~ - - protected function parseAttributeData($attributeString) - { - $Data = array(); - - $attributes = preg_split('/[ ]+/', $attributeString, - 1, PREG_SPLIT_NO_EMPTY); - - foreach ($attributes as $attribute) - { - if ($attribute[0] === '#') - { - $Data['id'] = substr($attribute, 1); - } - else # "." - { - $classes []= substr($attribute, 1); - } - } - - if (isset($classes)) - { - $Data['class'] = implode(' ', $classes); - } - - return $Data; - } - - # ~ - - protected function processTag($elementMarkup) # recursive - { - # http://stackoverflow.com/q/1148928/200145 - libxml_use_internal_errors(true); - - $DOMDocument = new DOMDocument; - - # http://stackoverflow.com/q/11309194/200145 - $elementMarkup = mb_convert_encoding($elementMarkup, 'HTML-ENTITIES', 'UTF-8'); - - # http://stackoverflow.com/q/4879946/200145 - $DOMDocument->loadHTML($elementMarkup); - $DOMDocument->removeChild($DOMDocument->doctype); - $DOMDocument->replaceChild($DOMDocument->firstChild->firstChild->firstChild, $DOMDocument->firstChild); - - $elementText = ''; - - if ($DOMDocument->documentElement->getAttribute('markdown') === '1') - { - foreach ($DOMDocument->documentElement->childNodes as $Node) - { - $elementText .= $DOMDocument->saveHTML($Node); - } - - $DOMDocument->documentElement->removeAttribute('markdown'); - - $elementText = "\n".$this->text($elementText)."\n"; - } - else - { - foreach ($DOMDocument->documentElement->childNodes as $Node) - { - $nodeMarkup = $DOMDocument->saveHTML($Node); - - if ($Node instanceof DOMElement and ! in_array($Node->nodeName, $this->textLevelElements)) - { - $elementText .= $this->processTag($nodeMarkup); - } - else - { - $elementText .= $nodeMarkup; - } - } - } - - # because we don't want for markup to get encoded - $DOMDocument->documentElement->nodeValue = 'placeholder\x1A'; - - $markup = $DOMDocument->saveHTML($DOMDocument->documentElement); - $markup = str_replace('placeholder\x1A', $elementText, $markup); - - return $markup; - } - - # ~ - - protected function sortFootnotes($A, $B) # callback - { - return $A['number'] - $B['number']; - } - - # - # Fields - # - - protected $regexAttribute = '(?:[#.][-\w]+[ ]*)'; -} From 20151c7f05afd33e189384d3bf00cc2be2c65b85 Mon Sep 17 00:00:00 2001 From: Diego Najar