aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Parsedown/Parsedown.php
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Parsedown/Parsedown.php')
-rw-r--r--lib/Parsedown/Parsedown.php1994
1 files changed, 1994 insertions, 0 deletions
diff --git a/lib/Parsedown/Parsedown.php b/lib/Parsedown/Parsedown.php
new file mode 100644
index 0000000..ae0cbde
--- /dev/null
+++ b/lib/Parsedown/Parsedown.php
@@ -0,0 +1,1994 @@
+<?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 = '1.8.0-beta-7';
+
+ # ~
+
+ function text($text)
+ {
+ $Elements = $this->textElements($text);
+
+ # convert to markup
+ $markup = $this->elements($Elements);
+
+ # trim line breaks
+ $markup = trim($markup, "\n");
+
+ return $markup;
+ }
+
+ protected function textElements($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
+ return $this->linesElements($lines);
+ }
+
+ #
+ # Setters
+ #
+
+ function setBreaksEnabled($breaksEnabled)
+ {
+ $this->breaksEnabled = $breaksEnabled;
+
+ return $this;
+ }
+
+ protected $breaksEnabled;
+
+ function setMarkupEscaped($markupEscaped)
+ {
+ $this->markupEscaped = $markupEscaped;
+
+ return $this;
+ }
+
+ protected $markupEscaped;
+
+ function setUrlsLinked($urlsLinked)
+ {
+ $this->urlsLinked = $urlsLinked;
+
+ return $this;
+ }
+
+ protected $urlsLinked = true;
+
+ function setSafeMode($safeMode)
+ {
+ $this->safeMode = (bool) $safeMode;
+
+ return $this;
+ }
+
+ protected $safeMode;
+
+ function setStrictMode($strictMode)
+ {
+ $this->strictMode = (bool) $strictMode;
+
+ return $this;
+ }
+
+ protected $strictMode;
+
+ protected $safeLinksWhitelist = array(
+ 'http://',
+ 'https://',
+ 'ftp://',
+ 'ftps://',
+ 'mailto:',
+ 'tel:',
+ 'data:image/png;base64,',
+ 'data:image/gif;base64,',
+ 'data:image/jpeg;base64,',
+ 'irc:',
+ 'ircs:',
+ 'git:',
+ 'ssh:',
+ 'news:',
+ 'steam:',
+ );
+
+ #
+ # Lines
+ #
+
+ protected $BlockTypes = array(
+ '#' => array('Header'),
+ '*' => array('Rule', 'List'),
+ '+' => array('List'),
+ '-' => array('SetextHeader', 'Table', 'Rule', 'List'),
+ '0' => array('List'),
+ '1' => array('List'),
+ '2' => array('List'),
+ '3' => array('List'),
+ '4' => array('List'),
+ '5' => array('List'),
+ '6' => array('List'),
+ '7' => array('List'),
+ '8' => array('List'),
+ '9' => array('List'),
+ ':' => array('Table'),
+ '<' => array('Comment', 'Markup'),
+ '=' => array('SetextHeader'),
+ '>' => array('Quote'),
+ '[' => array('Reference'),
+ '_' => array('Rule'),
+ '`' => array('FencedCode'),
+ '|' => array('Table'),
+ '~' => array('FencedCode'),
+ );
+
+ # ~
+
+ protected $unmarkedBlockTypes = array(
+ 'Code',
+ );
+
+ #
+ # Blocks
+ #
+
+ protected function lines(array $lines)
+ {
+ return $this->elements($this->linesElements($lines));
+ }
+
+ protected function linesElements(array $lines)
+ {
+ $Elements = array();
+ $CurrentBlock = null;
+
+ foreach ($lines as $line)
+ {
+ if (chop($line) === '')
+ {
+ if (isset($CurrentBlock))
+ {
+ $CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted'])
+ ? $CurrentBlock['interrupted'] + 1 : 1
+ );
+ }
+
+ continue;
+ }
+
+ while (($beforeTab = strstr($line, "\t", true)) !== false)
+ {
+ $shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4;
+
+ $line = $beforeTab
+ . str_repeat(' ', $shortage)
+ . substr($line, strlen($beforeTab) + 1)
+ ;
+ }
+
+ $indent = strspn($line, ' ');
+
+ $text = $indent > 0 ? substr($line, $indent) : $line;
+
+ # ~
+
+ $Line = array('body' => $line, 'indent' => $indent, 'text' => $text);
+
+ # ~
+
+ if (isset($CurrentBlock['continuable']))
+ {
+ $methodName = 'block' . $CurrentBlock['type'] . 'Continue';
+ $Block = $this->$methodName($Line, $CurrentBlock);
+
+ if (isset($Block))
+ {
+ $CurrentBlock = $Block;
+
+ continue;
+ }
+ else
+ {
+ if ($this->isBlockCompletable($CurrentBlock['type']))
+ {
+ $methodName = 'block' . $CurrentBlock['type'] . 'Complete';
+ $CurrentBlock = $this->$methodName($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']))
+ {
+ if (isset($CurrentBlock))
+ {
+ $Elements[] = $this->extractElement($CurrentBlock);
+ }
+
+ $Block['identified'] = true;
+ }
+
+ if ($this->isBlockContinuable($blockType))
+ {
+ $Block['continuable'] = true;
+ }
+
+ $CurrentBlock = $Block;
+
+ continue 2;
+ }
+ }
+
+ # ~
+
+ if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph')
+ {
+ $Block = $this->paragraphContinue($Line, $CurrentBlock);
+ }
+
+ if (isset($Block))
+ {
+ $CurrentBlock = $Block;
+ }
+ else
+ {
+ if (isset($CurrentBlock))
+ {
+ $Elements[] = $this->extractElement($CurrentBlock);
+ }
+
+ $CurrentBlock = $this->paragraph($Line);
+
+ $CurrentBlock['identified'] = true;
+ }
+ }
+
+ # ~
+
+ if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type']))
+ {
+ $methodName = 'block' . $CurrentBlock['type'] . 'Complete';
+ $CurrentBlock = $this->$methodName($CurrentBlock);
+ }
+
+ # ~
+
+ if (isset($CurrentBlock))
+ {
+ $Elements[] = $this->extractElement($CurrentBlock);
+ }
+
+ # ~
+
+ return $Elements;
+ }
+
+ protected function extractElement(array $Component)
+ {
+ if ( ! isset($Component['element']))
+ {
+ if (isset($Component['markup']))
+ {
+ $Component['element'] = array('rawHtml' => $Component['markup']);
+ }
+ elseif (isset($Component['hidden']))
+ {
+ $Component['element'] = array();
+ }
+ }
+
+ return $Component['element'];
+ }
+
+ protected function isBlockContinuable($Type)
+ {
+ return method_exists($this, 'block' . $Type . 'Continue');
+ }
+
+ protected function isBlockCompletable($Type)
+ {
+ return method_exists($this, 'block' . $Type . 'Complete');
+ }
+
+ #
+ # Code
+
+ protected function blockCode($Line, $Block = null)
+ {
+ if (isset($Block) and $Block['type'] === 'Paragraph' and ! isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ if ($Line['indent'] >= 4)
+ {
+ $text = substr($Line['body'], 4);
+
+ $Block = array(
+ 'element' => array(
+ 'name' => 'pre',
+ 'element' => array(
+ 'name' => 'code',
+ 'text' => $text,
+ ),
+ ),
+ );
+
+ return $Block;
+ }
+ }
+
+ protected function blockCodeContinue($Line, $Block)
+ {
+ if ($Line['indent'] >= 4)
+ {
+ if (isset($Block['interrupted']))
+ {
+ $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']);
+
+ unset($Block['interrupted']);
+ }
+
+ $Block['element']['element']['text'] .= "\n";
+
+ $text = substr($Line['body'], 4);
+
+ $Block['element']['element']['text'] .= $text;
+
+ return $Block;
+ }
+ }
+
+ protected function blockCodeComplete($Block)
+ {
+ return $Block;
+ }
+
+ #
+ # Comment
+
+ protected function blockComment($Line)
+ {
+ if ($this->markupEscaped or $this->safeMode)
+ {
+ return;
+ }
+
+ if (strpos($Line['text'], '<!--') === 0)
+ {
+ $Block = array(
+ 'element' => array(
+ 'rawHtml' => $Line['body'],
+ 'autobreak' => true,
+ ),
+ );
+
+ if (strpos($Line['text'], '-->') !== false)
+ {
+ $Block['closed'] = true;
+ }
+
+ return $Block;
+ }
+ }
+
+ protected function blockCommentContinue($Line, array $Block)
+ {
+ if (isset($Block['closed']))
+ {
+ return;
+ }
+
+ $Block['element']['rawHtml'] .= "\n" . $Line['body'];
+
+ if (strpos($Line['text'], '-->') !== false)
+ {
+ $Block['closed'] = true;
+ }
+
+ return $Block;
+ }
+
+ #
+ # Fenced Code
+
+ protected function blockFencedCode($Line)
+ {
+ $marker = $Line['text'][0];
+
+ $openerLength = strspn($Line['text'], $marker);
+
+ if ($openerLength < 3)
+ {
+ return;
+ }
+
+ $infostring = trim(substr($Line['text'], $openerLength), "\t ");
+
+ if (strpos($infostring, '`') !== false)
+ {
+ return;
+ }
+
+ $Element = array(
+ 'name' => 'code',
+ 'text' => '',
+ );
+
+ if ($infostring !== '')
+ {
+ /**
+ * https://www.w3.org/TR/2011/WD-html5-20110525/elements.html#classes
+ * Every HTML element may have a class attribute specified.
+ * The attribute, if specified, must have a value that is a set
+ * of space-separated tokens representing the various classes
+ * that the element belongs to.
+ * [...]
+ * The space characters, for the purposes of this specification,
+ * are U+0020 SPACE, U+0009 CHARACTER TABULATION (tab),
+ * U+000A LINE FEED (LF), U+000C FORM FEED (FF), and
+ * U+000D CARRIAGE RETURN (CR).
+ */
+ $language = substr($infostring, 0, strcspn($infostring, " \t\n\f\r"));
+
+ $Element['attributes'] = array('class' => "language-$language");
+ }
+
+ $Block = array(
+ 'char' => $marker,
+ 'openerLength' => $openerLength,
+ 'element' => array(
+ 'name' => 'pre',
+ 'element' => $Element,
+ ),
+ );
+
+ return $Block;
+ }
+
+ protected function blockFencedCodeContinue($Line, $Block)
+ {
+ if (isset($Block['complete']))
+ {
+ return;
+ }
+
+ if (isset($Block['interrupted']))
+ {
+ $Block['element']['element']['text'] .= str_repeat("\n", $Block['interrupted']);
+
+ unset($Block['interrupted']);
+ }
+
+ if (($len = strspn($Line['text'], $Block['char'])) >= $Block['openerLength']
+ and chop(substr($Line['text'], $len), ' ') === ''
+ ) {
+ $Block['element']['element']['text'] = substr($Block['element']['element']['text'], 1);
+
+ $Block['complete'] = true;
+
+ return $Block;
+ }
+
+ $Block['element']['element']['text'] .= "\n" . $Line['body'];
+
+ return $Block;
+ }
+
+ protected function blockFencedCodeComplete($Block)
+ {
+ return $Block;
+ }
+
+ #
+ # Header
+
+ protected function blockHeader($Line)
+ {
+ $level = strspn($Line['text'], '#');
+
+ if ($level > 6)
+ {
+ return;
+ }
+
+ $text = trim($Line['text'], '#');
+
+ if ($this->strictMode and isset($text[0]) and $text[0] !== ' ')
+ {
+ return;
+ }
+
+ $text = trim($text, ' ');
+
+ $Block = array(
+ 'element' => array(
+ 'name' => 'h' . $level,
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $text,
+ 'destination' => 'elements',
+ )
+ ),
+ );
+
+ return $Block;
+ }
+
+ #
+ # List
+
+ protected function blockList($Line, array $CurrentBlock = null)
+ {
+ list($name, $pattern) = $Line['text'][0] <= '-' ? array('ul', '[*+-]') : array('ol', '[0-9]{1,9}+[.\)]');
+
+ if (preg_match('/^('.$pattern.'([ ]++|$))(.*+)/', $Line['text'], $matches))
+ {
+ $contentIndent = strlen($matches[2]);
+
+ if ($contentIndent >= 5)
+ {
+ $contentIndent -= 1;
+ $matches[1] = substr($matches[1], 0, -$contentIndent);
+ $matches[3] = str_repeat(' ', $contentIndent) . $matches[3];
+ }
+ elseif ($contentIndent === 0)
+ {
+ $matches[1] .= ' ';
+ }
+
+ $markerWithoutWhitespace = strstr($matches[1], ' ', true);
+
+ $Block = array(
+ 'indent' => $Line['indent'],
+ 'pattern' => $pattern,
+ 'data' => array(
+ 'type' => $name,
+ 'marker' => $matches[1],
+ 'markerType' => ($name === 'ul' ? $markerWithoutWhitespace : substr($markerWithoutWhitespace, -1)),
+ ),
+ 'element' => array(
+ 'name' => $name,
+ 'elements' => array(),
+ ),
+ );
+ $Block['data']['markerTypeRegex'] = preg_quote($Block['data']['markerType'], '/');
+
+ if ($name === 'ol')
+ {
+ $listStart = ltrim(strstr($matches[1], $Block['data']['markerType'], true), '0') ?: '0';
+
+ if ($listStart !== '1')
+ {
+ if (
+ isset($CurrentBlock)
+ and $CurrentBlock['type'] === 'Paragraph'
+ and ! isset($CurrentBlock['interrupted'])
+ ) {
+ return;
+ }
+
+ $Block['element']['attributes'] = array('start' => $listStart);
+ }
+ }
+
+ $Block['li'] = array(
+ 'name' => 'li',
+ 'handler' => array(
+ 'function' => 'li',
+ 'argument' => !empty($matches[3]) ? array($matches[3]) : array(),
+ 'destination' => 'elements'
+ )
+ );
+
+ $Block['element']['elements'] []= & $Block['li'];
+
+ return $Block;
+ }
+ }
+
+ protected function blockListContinue($Line, array $Block)
+ {
+ if (isset($Block['interrupted']) and empty($Block['li']['handler']['argument']))
+ {
+ return null;
+ }
+
+ $requiredIndent = ($Block['indent'] + strlen($Block['data']['marker']));
+
+ if ($Line['indent'] < $requiredIndent
+ and (
+ (
+ $Block['data']['type'] === 'ol'
+ and preg_match('/^[0-9]++'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
+ ) or (
+ $Block['data']['type'] === 'ul'
+ and preg_match('/^'.$Block['data']['markerTypeRegex'].'(?:[ ]++(.*)|$)/', $Line['text'], $matches)
+ )
+ )
+ ) {
+ if (isset($Block['interrupted']))
+ {
+ $Block['li']['handler']['argument'] []= '';
+
+ $Block['loose'] = true;
+
+ unset($Block['interrupted']);
+ }
+
+ unset($Block['li']);
+
+ $text = isset($matches[1]) ? $matches[1] : '';
+
+ $Block['indent'] = $Line['indent'];
+
+ $Block['li'] = array(
+ 'name' => 'li',
+ 'handler' => array(
+ 'function' => 'li',
+ 'argument' => array($text),
+ 'destination' => 'elements'
+ )
+ );
+
+ $Block['element']['elements'] []= & $Block['li'];
+
+ return $Block;
+ }
+ elseif ($Line['indent'] < $requiredIndent and $this->blockList($Line))
+ {
+ return null;
+ }
+
+ if ($Line['text'][0] === '[' and $this->blockReference($Line))
+ {
+ return $Block;
+ }
+
+ if ($Line['indent'] >= $requiredIndent)
+ {
+ if (isset($Block['interrupted']))
+ {
+ $Block['li']['handler']['argument'] []= '';
+
+ $Block['loose'] = true;
+
+ unset($Block['interrupted']);
+ }
+
+ $text = substr($Line['body'], $requiredIndent);
+
+ $Block['li']['handler']['argument'] []= $text;
+
+ return $Block;
+ }
+
+ if ( ! isset($Block['interrupted']))
+ {
+ $text = preg_replace('/^[ ]{0,'.$requiredIndent.'}+/', '', $Line['body']);
+
+ $Block['li']['handler']['argument'] []= $text;
+
+ return $Block;
+ }
+ }
+
+ protected function blockListComplete(array $Block)
+ {
+ if (isset($Block['loose']))
+ {
+ foreach ($Block['element']['elements'] as &$li)
+ {
+ if (end($li['handler']['argument']) !== '')
+ {
+ $li['handler']['argument'] []= '';
+ }
+ }
+ }
+
+ return $Block;
+ }
+
+ #
+ # Quote
+
+ protected function blockQuote($Line)
+ {
+ if (preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches))
+ {
+ $Block = array(
+ 'element' => array(
+ 'name' => 'blockquote',
+ 'handler' => array(
+ 'function' => 'linesElements',
+ 'argument' => (array) $matches[1],
+ 'destination' => 'elements',
+ )
+ ),
+ );
+
+ return $Block;
+ }
+ }
+
+ protected function blockQuoteContinue($Line, array $Block)
+ {
+ if (isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ if ($Line['text'][0] === '>' and preg_match('/^>[ ]?+(.*+)/', $Line['text'], $matches))
+ {
+ $Block['element']['handler']['argument'] []= $matches[1];
+
+ return $Block;
+ }
+
+ if ( ! isset($Block['interrupted']))
+ {
+ $Block['element']['handler']['argument'] []= $Line['text'];
+
+ return $Block;
+ }
+ }
+
+ #
+ # Rule
+
+ protected function blockRule($Line)
+ {
+ $marker = $Line['text'][0];
+
+ if (substr_count($Line['text'], $marker) >= 3 and chop($Line['text'], " $marker") === '')
+ {
+ $Block = array(
+ 'element' => array(
+ 'name' => 'hr',
+ ),
+ );
+
+ return $Block;
+ }
+ }
+
+ #
+ # Setext
+
+ protected function blockSetextHeader($Line, array $Block = null)
+ {
+ if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ if ($Line['indent'] < 4 and chop(chop($Line['text'], ' '), $Line['text'][0]) === '')
+ {
+ $Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';
+
+ return $Block;
+ }
+ }
+
+ #
+ # Markup
+
+ protected function blockMarkup($Line)
+ {
+ if ($this->markupEscaped or $this->safeMode)
+ {
+ return;
+ }
+
+ if (preg_match('/^<[\/]?+(\w*)(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+(\/)?>/', $Line['text'], $matches))
+ {
+ $element = strtolower($matches[1]);
+
+ if (in_array($element, $this->textLevelElements))
+ {
+ return;
+ }
+
+ $Block = array(
+ 'name' => $matches[1],
+ 'element' => array(
+ 'rawHtml' => $Line['text'],
+ 'autobreak' => true,
+ ),
+ );
+
+ return $Block;
+ }
+ }
+
+ protected function blockMarkupContinue($Line, array $Block)
+ {
+ if (isset($Block['closed']) or isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ $Block['element']['rawHtml'] .= "\n" . $Line['body'];
+
+ return $Block;
+ }
+
+ #
+ # Reference
+
+ protected function blockReference($Line)
+ {
+ if (strpos($Line['text'], ']') !== false
+ and preg_match('/^\[(.+?)\]:[ ]*+<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*+$/', $Line['text'], $matches)
+ ) {
+ $id = strtolower($matches[1]);
+
+ $Data = array(
+ 'url' => $matches[2],
+ 'title' => isset($matches[3]) ? $matches[3] : null,
+ );
+
+ $this->DefinitionData['Reference'][$id] = $Data;
+
+ $Block = array(
+ 'element' => array(),
+ );
+
+ return $Block;
+ }
+ }
+
+ #
+ # Table
+
+ protected function blockTable($Line, array $Block = null)
+ {
+ if ( ! isset($Block) or $Block['type'] !== 'Paragraph' or isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ if (
+ strpos($Block['element']['handler']['argument'], '|') === false
+ and strpos($Line['text'], '|') === false
+ and strpos($Line['text'], ':') === false
+ or strpos($Block['element']['handler']['argument'], "\n") !== false
+ ) {
+ return;
+ }
+
+ if (chop($Line['text'], ' -:|') !== '')
+ {
+ return;
+ }
+
+ $alignments = array();
+
+ $divider = $Line['text'];
+
+ $divider = trim($divider);
+ $divider = trim($divider, '|');
+
+ $dividerCells = explode('|', $divider);
+
+ foreach ($dividerCells as $dividerCell)
+ {
+ $dividerCell = trim($dividerCell);
+
+ if ($dividerCell === '')
+ {
+ return;
+ }
+
+ $alignment = null;
+
+ if ($dividerCell[0] === ':')
+ {
+ $alignment = 'left';
+ }
+
+ if (substr($dividerCell, - 1) === ':')
+ {
+ $alignment = $alignment === 'left' ? 'center' : 'right';
+ }
+
+ $alignments []= $alignment;
+ }
+
+ # ~
+
+ $HeaderElements = array();
+
+ $header = $Block['element']['handler']['argument'];
+
+ $header = trim($header);
+ $header = trim($header, '|');
+
+ $headerCells = explode('|', $header);
+
+ if (count($headerCells) !== count($alignments))
+ {
+ return;
+ }
+
+ foreach ($headerCells as $index => $headerCell)
+ {
+ $headerCell = trim($headerCell);
+
+ $HeaderElement = array(
+ 'name' => 'th',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $headerCell,
+ 'destination' => 'elements',
+ )
+ );
+
+ if (isset($alignments[$index]))
+ {
+ $alignment = $alignments[$index];
+
+ $HeaderElement['attributes'] = array(
+ 'style' => "text-align: $alignment;",
+ );
+ }
+
+ $HeaderElements []= $HeaderElement;
+ }
+
+ # ~
+
+ $Block = array(
+ 'alignments' => $alignments,
+ 'identified' => true,
+ 'element' => array(
+ 'name' => 'table',
+ 'elements' => array(),
+ ),
+ );
+
+ $Block['element']['elements'] []= array(
+ 'name' => 'thead',
+ );
+
+ $Block['element']['elements'] []= array(
+ 'name' => 'tbody',
+ 'elements' => array(),
+ );
+
+ $Block['element']['elements'][0]['elements'] []= array(
+ 'name' => 'tr',
+ 'elements' => $HeaderElements,
+ );
+
+ return $Block;
+ }
+
+ protected function blockTableContinue($Line, array $Block)
+ {
+ if (isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ if (count($Block['alignments']) === 1 or $Line['text'][0] === '|' or strpos($Line['text'], '|'))
+ {
+ $Elements = array();
+
+ $row = $Line['text'];
+
+ $row = trim($row);
+ $row = trim($row, '|');
+
+ preg_match_all('/(?:(\\\\[|])|[^|`]|`[^`]++`|`)++/', $row, $matches);
+
+ $cells = array_slice($matches[0], 0, count($Block['alignments']));
+
+ foreach ($cells as $index => $cell)
+ {
+ $cell = trim($cell);
+
+ $Element = array(
+ 'name' => 'td',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $cell,
+ 'destination' => 'elements',
+ )
+ );
+
+ if (isset($Block['alignments'][$index]))
+ {
+ $Element['attributes'] = array(
+ 'style' => 'text-align: ' . $Block['alignments'][$index] . ';',
+ );
+ }
+
+ $Elements []= $Element;
+ }
+
+ $Element = array(
+ 'name' => 'tr',
+ 'elements' => $Elements,
+ );
+
+ $Block['element']['elements'][1]['elements'] []= $Element;
+
+ return $Block;
+ }
+ }
+
+ #
+ # ~
+ #
+
+ protected function paragraph($Line)
+ {
+ return array(
+ 'type' => 'Paragraph',
+ 'element' => array(
+ 'name' => 'p',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $Line['text'],
+ 'destination' => 'elements',
+ ),
+ ),
+ );
+ }
+
+ protected function paragraphContinue($Line, array $Block)
+ {
+ if (isset($Block['interrupted']))
+ {
+ return;
+ }
+
+ $Block['element']['handler']['argument'] .= "\n".$Line['text'];
+
+ return $Block;
+ }
+
+ #
+ # Inline Elements
+ #
+
+ protected $InlineTypes = array(
+ '!' => array('Image'),
+ '&' => array('SpecialCharacter'),
+ '*' => array('Emphasis'),
+ ':' => array('Url'),
+ '<' => array('UrlTag', 'EmailTag', 'Markup'),
+ '[' => array('Link'),
+ '_' => array('Emphasis'),
+ '`' => array('Code'),
+ '~' => array('Strikethrough'),
+ '\\' => array('EscapeSequence'),
+ );
+
+ # ~
+
+ protected $inlineMarkerList = '!*_&[:<`~\\';
+
+ #
+ # ~
+ #
+
+ public function line($text, $nonNestables = array())
+ {
+ return $this->elements($this->lineElements($text, $nonNestables));
+ }
+
+ protected function lineElements($text, $nonNestables = array())
+ {
+ # standardize line breaks
+ $text = str_replace(array("\r\n", "\r"), "\n", $text);
+
+ $Elements = array();
+
+ $nonNestables = (empty($nonNestables)
+ ? array()
+ : array_combine($nonNestables, $nonNestables)
+ );
+
+ # $excerpt is based on the first occurrence of a marker
+
+ while ($excerpt = strpbrk($text, $this->inlineMarkerList))
+ {
+ $marker = $excerpt[0];
+
+ $markerPosition = strlen($text) - strlen($excerpt);
+
+ $Excerpt = array('text' => $excerpt, 'context' => $text);
+
+ foreach ($this->InlineTypes[$marker] as $inlineType)
+ {
+ # check to see if the current inline type is nestable in the current context
+
+ if (isset($nonNestables[$inlineType]))
+ {
+ continue;
+ }
+
+ $Inline = $this->{"inline$inlineType"}($Excerpt);
+
+ if ( ! isset($Inline))
+ {
+ continue;
+ }
+
+ # makes sure that the inline belongs to "our" marker
+
+ if (isset($Inline['position']) and $Inline['position'] > $markerPosition)
+ {
+ continue;
+ }
+
+ # sets a default inline position
+
+ if ( ! isset($Inline['position']))
+ {
+ $Inline['position'] = $markerPosition;
+ }
+
+ # cause the new element to 'inherit' our non nestables
+
+
+ $Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables'])
+ ? array_merge($Inline['element']['nonNestables'], $nonNestables)
+ : $nonNestables
+ ;
+
+ # the text that comes before the inline
+ $unmarkedText = substr($text, 0, $Inline['position']);
+
+ # compile the unmarked text
+ $InlineText = $this->inlineText($unmarkedText);
+ $Elements[] = $InlineText['element'];
+
+ # compile the inline
+ $Elements[] = $this->extractElement($Inline);
+
+ # 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);
+
+ $InlineText = $this->inlineText($unmarkedText);
+ $Elements[] = $InlineText['element'];
+
+ $text = substr($text, $markerPosition + 1);
+ }
+
+ $InlineText = $this->inlineText($text);
+ $Elements[] = $InlineText['element'];
+
+ foreach ($Elements as &$Element)
+ {
+ if ( ! isset($Element['autobreak']))
+ {
+ $Element['autobreak'] = false;
+ }
+ }
+
+ return $Elements;
+ }
+
+ #
+ # ~
+ #
+
+ protected function inlineText($text)
+ {
+ $Inline = array(
+ 'extent' => strlen($text),
+ 'element' => array(),
+ );
+
+ $Inline['element']['elements'] = self::pregReplaceElements(
+ $this->breaksEnabled ? '/[ ]*+\n/' : '/(?:[ ]*+\\\\|[ ]{2,}+)\n/',
+ array(
+ array('name' => 'br'),
+ array('text' => "\n"),
+ ),
+ $text
+ );
+
+ return $Inline;
+ }
+
+ protected function inlineCode($Excerpt)
+ {
+ $marker = $Excerpt['text'][0];
+
+ if (preg_match('/^(['.$marker.']++)[ ]*+(.+?)[ ]*+(?<!['.$marker.'])\1(?!'.$marker.')/s', $Excerpt['text'], $matches))
+ {
+ $text = $matches[2];
+ $text = preg_replace('/[ ]*+\n/', ' ', $text);
+
+ return array(
+ 'extent' => strlen($matches[0]),
+ 'element' => array(
+ 'name' => 'code',
+ 'text' => $text,
+ ),
+ );
+ }
+ }
+
+ protected function inlineEmailTag($Excerpt)
+ {
+ $hostnameLabel = '[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?';
+
+ $commonMarkEmail = '[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]++@'
+ . $hostnameLabel . '(?:\.' . $hostnameLabel . ')*';
+
+ if (strpos($Excerpt['text'], '>') !== false
+ and preg_match("/^<((mailto:)?$commonMarkEmail)>/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' => array(
+ 'function' => 'lineElements',
+ 'argument' => $matches[1],
+ 'destination' => 'elements',
+ )
+ ),
+ );
+ }
+
+ protected function inlineEscapeSequence($Excerpt)
+ {
+ if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters))
+ {
+ return array(
+ 'element' => array('rawHtml' => $Excerpt['text'][1]),
+ 'extent' => 2,
+ );
+ }
+ }
+
+ protected function inlineImage($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']['handler']['argument'],
+ ),
+ 'autobreak' => true,
+ ),
+ );
+
+ $Inline['element']['attributes'] += $Link['element']['attributes'];
+
+ unset($Inline['element']['attributes']['href']);
+
+ return $Inline;
+ }
+
+ protected function inlineLink($Excerpt)
+ {
+ $Element = array(
+ 'name' => 'a',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => null,
+ 'destination' => 'elements',
+ ),
+ 'nonNestables' => array('Url', 'Link'),
+ 'attributes' => array(
+ 'href' => null,
+ 'title' => null,
+ ),
+ );
+
+ $extent = 0;
+
+ $remainder = $Excerpt['text'];
+
+ if (preg_match('/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches))
+ {
+ $Element['handler']['argument'] = $matches[1];
+
+ $extent += strlen($matches[0]);
+
+ $remainder = substr($remainder, $extent);
+ }
+ else
+ {
+ return;
+ }
+
+ if (preg_match('/^[(]\s*+((?:[^ ()]++|[(][^ )]+[)])++)(?:[ ]+("[^"]*+"|\'[^\']*+\'))?\s*+[)]/', $remainder, $matches))
+ {
+ $Element['attributes']['href'] = $matches[1];
+
+ if (isset($matches[2]))
+ {
+ $Element['attributes']['title'] = substr($matches[2], 1, - 1);
+ }
+
+ $extent += strlen($matches[0]);
+ }
+ else
+ {
+ if (preg_match('/^\s*\[(.*?)\]/', $remainder, $matches))
+ {
+ $definition = strlen($matches[1]) ? $matches[1] : $Element['handler']['argument'];
+ $definition = strtolower($definition);
+
+ $extent += strlen($matches[0]);
+ }
+ else
+ {
+ $definition = strtolower($Element['handler']['argument']);
+ }
+
+ if ( ! isset($this->DefinitionData['Reference'][$definition]))
+ {
+ return;
+ }
+
+ $Definition = $this->DefinitionData['Reference'][$definition];
+
+ $Element['attributes']['href'] = $Definition['url'];
+ $Element['attributes']['title'] = $Definition['title'];
+ }
+
+ return array(
+ 'extent' => $extent,
+ 'element' => $Element,
+ );
+ }
+
+ protected function inlineMarkup($Excerpt)
+ {
+ if ($this->markupEscaped or $this->safeMode or strpos($Excerpt['text'], '>') === false)
+ {
+ return;
+ }
+
+ if ($Excerpt['text'][1] === '/' and preg_match('/^<\/\w[\w-]*+[ ]*+>/s', $Excerpt['text'], $matches))
+ {
+ return array(
+ 'element' => array('rawHtml' => $matches[0]),
+ 'extent' => strlen($matches[0]),
+ );
+ }
+
+ if ($Excerpt['text'][1] === '!' and preg_match('/^<!---?[^>-](?:-?+[^-])*-->/s', $Excerpt['text'], $matches))
+ {
+ return array(
+ 'element' => array('rawHtml' => $matches[0]),
+ 'extent' => strlen($matches[0]),
+ );
+ }
+
+ if ($Excerpt['text'][1] !== ' ' and preg_match('/^<\w[\w-]*+(?:[ ]*+'.$this->regexHtmlAttribute.')*+[ ]*+\/?>/s', $Excerpt['text'], $matches))
+ {
+ return array(
+ 'element' => array('rawHtml' => $matches[0]),
+ 'extent' => strlen($matches[0]),
+ );
+ }
+ }
+
+ protected function inlineSpecialCharacter($Excerpt)
+ {
+ if (substr($Excerpt['text'], 1, 1) !== ' ' and strpos($Excerpt['text'], ';') !== false
+ and preg_match('/^&(#?+[0-9a-zA-Z]++);/', $Excerpt['text'], $matches)
+ ) {
+ return array(
+ 'element' => array('rawHtml' => '&' . $matches[1] . ';'),
+ 'extent' => strlen($matches[0]),
+ );
+ }
+
+ return;
+ }
+
+ 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',
+ 'handler' => array(
+ 'function' => 'lineElements',
+ 'argument' => $matches[1],
+ 'destination' => 'elements',
+ )
+ ),
+ );
+ }
+ }
+
+ protected function inlineUrl($Excerpt)
+ {
+ if ($this->urlsLinked !== true or ! isset($Excerpt['text'][2]) or $Excerpt['text'][2] !== '/')
+ {
+ return;
+ }
+
+ if (strpos($Excerpt['context'], 'http') !== false
+ and preg_match('/\bhttps?+:[\/]{2}[^\s<]+\b\/*+/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE)
+ ) {
+ $url = $matches[0][0];
+
+ $Inline = array(
+ 'extent' => strlen($matches[0][0]),
+ 'position' => $matches[0][1],
+ 'element' => array(
+ 'name' => 'a',
+ 'text' => $url,
+ 'attributes' => array(
+ 'href' => $url,
+ ),
+ ),
+ );
+
+ return $Inline;
+ }
+ }
+
+ protected function inlineUrlTag($Excerpt)
+ {
+ if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\w++:\/{2}[^ >]++)>/i', $Excerpt['text'], $matches))
+ {
+ $url = $matches[1];
+
+ return array(
+ 'extent' => strlen($matches[0]),
+ 'element' => array(
+ 'name' => 'a',
+ 'text' => $url,
+ 'attributes' => array(
+ 'href' => $url,
+ ),
+ ),
+ );
+ }
+ }
+
+ # ~
+
+ protected function unmarkedText($text)
+ {
+ $Inline = $this->inlineText($text);
+ return $this->element($Inline['element']);
+ }
+
+ #
+ # Handlers
+ #
+
+ protected function handle(array $Element)
+ {
+ if (isset($Element['handler']))
+ {
+ if (!isset($Element['nonNestables']))
+ {
+ $Element['nonNestables'] = array();
+ }
+
+ if (is_string($Element['handler']))
+ {
+ $function = $Element['handler'];
+ $argument = $Element['text'];
+ unset($Element['text']);
+ $destination = 'rawHtml';
+ }
+ else
+ {
+ $function = $Element['handler']['function'];
+ $argument = $Element['handler']['argument'];
+ $destination = $Element['handler']['destination'];
+ }
+
+ $Element[$destination] = $this->{$function}($argument, $Element['nonNestables']);
+
+ if ($destination === 'handler')
+ {
+ $Element = $this->handle($Element);
+ }
+
+ unset($Element['handler']);
+ }
+
+ return $Element;
+ }
+
+ protected function handleElementRecursive(array $Element)
+ {
+ return $this->elementApplyRecursive(array($this, 'handle'), $Element);
+ }
+
+ protected function handleElementsRecursive(array $Elements)
+ {
+ return $this->elementsApplyRecursive(array($this, 'handle'), $Elements);
+ }
+
+ protected function elementApplyRecursive($closure, array $Element)
+ {
+ $Element = call_user_func($closure, $Element);
+
+ if (isset($Element['elements']))
+ {
+ $Element['elements'] = $this->elementsApplyRecursive($closure, $Element['elements']);
+ }
+ elseif (isset($Element['element']))
+ {
+ $Element['element'] = $this->elementApplyRecursive($closure, $Element['element']);
+ }
+
+ return $Element;
+ }
+
+ protected function elementApplyRecursiveDepthFirst($closure, array $Element)
+ {
+ if (isset($Element['elements']))
+ {
+ $Element['elements'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['elements']);
+ }
+ elseif (isset($Element['element']))
+ {
+ $Element['element'] = $this->elementsApplyRecursiveDepthFirst($closure, $Element['element']);
+ }
+
+ $Element = call_user_func($closure, $Element);
+
+ return $Element;
+ }
+
+ protected function elementsApplyRecursive($closure, array $Elements)
+ {
+ foreach ($Elements as &$Element)
+ {
+ $Element = $this->elementApplyRecursive($closure, $Element);
+ }
+
+ return $Elements;
+ }
+
+ protected function elementsApplyRecursiveDepthFirst($closure, array $Elements)
+ {
+ foreach ($Elements as &$Element)
+ {
+ $Element = $this->elementApplyRecursiveDepthFirst($closure, $Element);
+ }
+
+ return $Elements;
+ }
+
+ protected function element(array $Element)
+ {
+ if ($this->safeMode)
+ {
+ $Element = $this->sanitiseElement($Element);
+ }
+
+ # identity map if element has no handler
+ $Element = $this->handle($Element);
+
+ $hasName = isset($Element['name']);
+
+ $markup = '';
+
+ if ($hasName)
+ {
+ $markup .= '<' . $Element['name'];
+
+ if (isset($Element['attributes']))
+ {
+ foreach ($Element['attributes'] as $name => $value)
+ {
+ if ($value === null)
+ {
+ continue;
+ }
+
+ $markup .= " $name=\"".self::escape($value).'"';
+ }
+ }
+ }
+
+ $permitRawHtml = false;
+
+ if (isset($Element['text']))
+ {
+ $text = $Element['text'];
+ }
+ // very strongly consider an alternative if you're writing an
+ // extension
+ elseif (isset($Element['rawHtml']))
+ {
+ $text = $Element['rawHtml'];
+
+ $allowRawHtmlInSafeMode = isset($Element['allowRawHtmlInSafeMode']) && $Element['allowRawHtmlInSafeMode'];
+ $permitRawHtml = !$this->safeMode || $allowRawHtmlInSafeMode;
+ }
+
+ $hasContent = isset($text) || isset($Element['element']) || isset($Element['elements']);
+
+ if ($hasContent)
+ {
+ $markup .= $hasName ? '>' : '';
+
+ if (isset($Element['elements']))
+ {
+ $markup .= $this->elements($Element['elements']);
+ }
+ elseif (isset($Element['element']))
+ {
+ $markup .= $this->element($Element['element']);
+ }
+ else
+ {
+ if (!$permitRawHtml)
+ {
+ $markup .= self::escape($text, true);
+ }
+ else
+ {
+ $markup .= $text;
+ }
+ }
+
+ $markup .= $hasName ? '</' . $Element['name'] . '>' : '';
+ }
+ elseif ($hasName)
+ {
+ $markup .= ' />';
+ }
+
+ return $markup;
+ }
+
+ protected function elements(array $Elements)
+ {
+ $markup = '';
+
+ $autoBreak = true;
+
+ foreach ($Elements as $Element)
+ {
+ if (empty($Element))
+ {
+ continue;
+ }
+
+ $autoBreakNext = (isset($Element['autobreak'])
+ ? $Element['autobreak'] : isset($Element['name'])
+ );
+ // (autobreak === false) covers both sides of an element
+ $autoBreak = !$autoBreak ? $autoBreak : $autoBreakNext;
+
+ $markup .= ($autoBreak ? "\n" : '') . $this->element($Element);
+ $autoBreak = $autoBreakNext;
+ }
+
+ $markup .= $autoBreak ? "\n" : '';
+
+ return $markup;
+ }
+
+ # ~
+
+ protected function li($lines)
+ {
+ $Elements = $this->linesElements($lines);
+
+ if ( ! in_array('', $lines)
+ and isset($Elements[0]) and isset($Elements[0]['name'])
+ and $Elements[0]['name'] === 'p'
+ ) {
+ unset($Elements[0]['name']);
+ }
+
+ return $Elements;
+ }
+
+ #
+ # AST Convenience
+ #
+
+ /**
+ * Replace occurrences $regexp with $Elements in $text. Return an array of
+ * elements representing the replacement.
+ */
+ protected static function pregReplaceElements($regexp, $Elements, $text)
+ {
+ $newElements = array();
+
+ while (preg_match($regexp, $text, $matches, PREG_OFFSET_CAPTURE))
+ {
+ $offset = $matches[0][1];
+ $before = substr($text, 0, $offset);
+ $after = substr($text, $offset + strlen($matches[0][0]));
+
+ $newElements[] = array('text' => $before);
+
+ foreach ($Elements as $Element)
+ {
+ $newElements[] = $Element;
+ }
+
+ $text = $after;
+ }
+
+ $newElements[] = array('text' => $text);
+
+ return $newElements;
+ }
+
+ #
+ # Deprecated Methods
+ #
+
+ function parse($text)
+ {
+ $markup = $this->text($text);
+
+ return $markup;
+ }
+
+ protected function sanitiseElement(array $Element)
+ {
+ static $goodAttribute = '/^[a-zA-Z0-9][a-zA-Z0-9-_]*+$/';
+ static $safeUrlNameToAtt = array(
+ 'a' => 'href',
+ 'img' => 'src',
+ );
+
+ if ( ! isset($Element['name']))
+ {
+ unset($Element['attributes']);
+ return $Element;
+ }
+
+ if (isset($safeUrlNameToAtt[$Element['name']]))
+ {
+ $Element = $this->filterUnsafeUrlInAttribute($Element, $safeUrlNameToAtt[$Element['name']]);
+ }
+
+ if ( ! empty($Element['attributes']))
+ {
+ foreach ($Element['attributes'] as $att => $val)
+ {
+ # filter out badly parsed attribute
+ if ( ! preg_match($goodAttribute, $att))
+ {
+ unset($Element['attributes'][$att]);
+ }
+ # dump onevent attribute
+ elseif (self::striAtStart($att, 'on'))
+ {
+ unset($Element['attributes'][$att]);
+ }
+ }
+ }
+
+ return $Element;
+ }
+
+ protected function filterUnsafeUrlInAttribute(array $Element, $attribute)
+ {
+ foreach ($this->safeLinksWhitelist as $scheme)
+ {
+ if (self::striAtStart($Element['attributes'][$attribute], $scheme))
+ {
+ return $Element;
+ }
+ }
+
+ $Element['attributes'][$attribute] = str_replace(':', '%3A', $Element['attributes'][$attribute]);
+
+ return $Element;
+ }
+
+ #
+ # Static Methods
+ #
+
+ protected static function escape($text, $allowQuotes = false)
+ {
+ return htmlspecialchars($text, $allowQuotes ? ENT_NOQUOTES : ENT_QUOTES, 'UTF-8');
+ }
+
+ protected static function striAtStart($string, $needle)
+ {
+ $len = strlen($needle);
+
+ if ($len > strlen($string))
+ {
+ return false;
+ }
+ else
+ {
+ return strtolower(substr($string, 0, $len)) === strtolower($needle);
+ }
+ }
+
+ static function instance($name = 'default')
+ {
+ if (isset(self::$instances[$name]))
+ {
+ return self::$instances[$name];
+ }
+
+ $instance = new static();
+
+ self::$instances[$name] = $instance;
+
+ return $instance;
+ }
+
+ private static $instances = array();
+
+ #
+ # Fields
+ #
+
+ protected $DefinitionData;
+
+ #
+ # Read-Only
+
+ protected $specialCharacters = array(
+ '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|', '~'
+ );
+
+ protected $StrongRegex = array(
+ '*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*+[*])+?)[*]{2}(?![*])/s',
+ '_' => '/^__((?:\\\\_|[^_]|_[^_]*+_)+?)__(?!_)/us',
+ );
+
+ protected $EmRegex = array(
+ '*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',
+ '_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',
+ );
+
+ protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*+(?:\s*+=\s*+(?:[^"\'=<>`\s]+|"[^"]*+"|\'[^\']*+\'))?+';
+
+ protected $voidElements = array(
+ 'area', 'base', 'br', 'col', 'command', 'embed', 'hr', 'img', 'input', 'link', 'meta', 'param', 'source',
+ );
+
+ protected $textLevelElements = array(
+ 'a', 'br', 'bdo', 'abbr', 'blink', 'nextid', 'acronym', 'basefont',
+ 'b', 'em', 'big', 'cite', 'small', 'spacer', 'listing',
+ 'i', 'rp', 'del', 'code', 'strike', 'marquee',
+ 'q', 'rt', 'ins', 'font', 'strong',
+ 's', 'tt', 'kbd', 'mark',
+ 'u', 'xm', 'sub', 'nobr',
+ 'sup', 'ruby',
+ 'var', 'span',
+ 'wbr', 'time',
+ );
+}
generated by cgit v1.2.1 (git 2.21.0) at 2024-06-10 00:51:07 +0000