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authorFrédéric Guillot <fred@kanboard.net>2014-11-06 06:57:39 -0500
committerFrédéric Guillot <fred@kanboard.net>2014-11-06 06:57:39 -0500
commit420d0ca4dd6cf075204867de28c2e6d5b1b68184 (patch)
treee7723f4b0687d82300ca5b4d38e3ab0ff3fc13cf /vendor/erusev/parsedown/Parsedown.php
parentcfe1e13d4a2b964c950b5e3daa8cafab207f1158 (diff)
Remove vendor again
Diffstat (limited to 'vendor/erusev/parsedown/Parsedown.php')
-rwxr-xr-xvendor/erusev/parsedown/Parsedown.php1430
1 files changed, 0 insertions, 1430 deletions
diff --git a/vendor/erusev/parsedown/Parsedown.php b/vendor/erusev/parsedown/Parsedown.php
deleted file mode 100755
index 9aebef52..00000000
--- a/vendor/erusev/parsedown/Parsedown.php
+++ /dev/null
@@ -1,1430 +0,0 @@
-<?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
-{
- #
- # Philosophy
-
- # Parsedown recognises that the Markdown syntax is optimised for humans so
- # it tries to read like one. It goes through text line by line. It looks at
- # how lines start to identify blocks. It looks for special characters to
- # identify inline elements.
-
- #
- # ~
-
- function text($text)
- {
- # make sure no definitions are set
- $this->Definitions = array();
-
- # standardize line breaks
- $text = str_replace("\r\n", "\n", $text);
- $text = str_replace("\r", "\n", $text);
-
- # replace tabs with spaces
- $text = str_replace("\t", ' ', $text);
-
- # 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
- #
-
- private $breaksEnabled;
-
- function setBreaksEnabled($breaksEnabled)
- {
- $this->breaksEnabled = $breaksEnabled;
-
- return $this;
- }
-
- private $markupEscaped;
-
- function setMarkupEscaped($markupEscaped)
- {
- $this->markupEscaped = $markupEscaped;
-
- return $this;
- }
-
- #
- # Lines
- #
-
- protected $BlockTypes = array(
- '#' => array('Atx'),
- '*' => array('Rule', 'List'),
- '+' => array('List'),
- '-' => array('Setext', '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('Setext'),
- '>' => array('Quote'),
- '_' => array('Rule'),
- '`' => array('FencedCode'),
- '|' => array('Table'),
- '~' => array('FencedCode'),
- );
-
- # ~
-
- protected $DefinitionTypes = array(
- '[' => array('Reference'),
- );
-
- # ~
-
- protected $unmarkedBlockTypes = array(
- 'CodeBlock',
- );
-
- #
- # Blocks
- #
-
- private function lines(array $lines)
- {
- $CurrentBlock = null;
-
- foreach ($lines as $line)
- {
- if (chop($line) === '')
- {
- if (isset($CurrentBlock))
- {
- $CurrentBlock['interrupted'] = true;
- }
-
- continue;
- }
-
- $indent = 0;
-
- while (isset($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 = $this->{'addTo'.$CurrentBlock['type']}($Line, $CurrentBlock);
-
- if (isset($Block))
- {
- $CurrentBlock = $Block;
-
- continue;
- }
- else
- {
- if (method_exists($this, 'complete'.$CurrentBlock['type']))
- {
- $CurrentBlock = $this->{'complete'.$CurrentBlock['type']}($CurrentBlock);
- }
-
- unset($CurrentBlock['incomplete']);
- }
- }
-
- # ~
-
- $marker = $text[0];
-
- if (isset($this->DefinitionTypes[$marker]))
- {
- foreach ($this->DefinitionTypes[$marker] as $definitionType)
- {
- $Definition = $this->{'identify'.$definitionType}($Line, $CurrentBlock);
-
- if (isset($Definition))
- {
- $this->Definitions[$definitionType][$Definition['id']] = $Definition['data'];
-
- continue 2;
- }
- }
- }
-
- # ~
-
- $blockTypes = $this->unmarkedBlockTypes;
-
- if (isset($this->BlockTypes[$marker]))
- {
- foreach ($this->BlockTypes[$marker] as $blockType)
- {
- $blockTypes []= $blockType;
- }
- }
-
- #
- # ~
-
- foreach ($blockTypes as $blockType)
- {
- $Block = $this->{'identify'.$blockType}($Line, $CurrentBlock);
-
- if (isset($Block))
- {
- $Block['type'] = $blockType;
-
- if ( ! isset($Block['identified']))
- {
- $Elements []= $CurrentBlock['element'];
-
- $Block['identified'] = true;
- }
-
- if (method_exists($this, 'addTo'.$blockType))
- {
- $Block['incomplete'] = true;
- }
-
- $CurrentBlock = $Block;
-
- continue 2;
- }
- }
-
- # ~
-
- if (isset($CurrentBlock) and ! isset($CurrentBlock['type']) and ! isset($CurrentBlock['interrupted']))
- {
- $CurrentBlock['element']['text'] .= "\n".$text;
- }
- else
- {
- $Elements []= $CurrentBlock['element'];
-
- $CurrentBlock = $this->buildParagraph($Line);
-
- $CurrentBlock['identified'] = true;
- }
- }
-
- # ~
-
- if (isset($CurrentBlock['incomplete']) and method_exists($this, 'complete'.$CurrentBlock['type']))
- {
- $CurrentBlock = $this->{'complete'.$CurrentBlock['type']}($CurrentBlock);
- }
-
- # ~
-
- $Elements []= $CurrentBlock['element'];
-
- unset($Elements[0]);
-
- # ~
-
- $markup = $this->elements($Elements);
-
- # ~
-
- return $markup;
- }
-
- #
- # Atx
-
- protected function identifyAtx($Line)
- {
- if (isset($Line['text'][1]))
- {
- $level = 1;
-
- while (isset($Line['text'][$level]) and $Line['text'][$level] === '#')
- {
- $level ++;
- }
-
- $text = trim($Line['text'], '# ');
-
- $Block = array(
- 'element' => array(
- 'name' => 'h' . min(6, $level),
- 'text' => $text,
- 'handler' => 'line',
- ),
- );
-
- return $Block;
- }
- }
-
- #
- # Code
-
- protected function identifyCodeBlock($Line)
- {
- if ($Line['indent'] >= 4)
- {
- $text = substr($Line['body'], 4);
-
- $Block = array(
- 'element' => array(
- 'name' => 'pre',
- 'handler' => 'element',
- 'text' => array(
- 'name' => 'code',
- 'text' => $text,
- ),
- ),
- );
-
- return $Block;
- }
- }
-
- protected function addToCodeBlock($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 $Block;
- }
- }
-
- protected function completeCodeBlock($Block)
- {
- $text = $Block['element']['text']['text'];
-
- $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
-
- $Block['element']['text']['text'] = $text;
-
- return $Block;
- }
-
- #
- # Comment
-
- protected function identifyComment($Line)
- {
- if ($this->markupEscaped)
- {
- return;
- }
-
- if (isset($Line['text'][3]) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!')
- {
- $Block = array(
- 'element' => $Line['body'],
- );
-
- if (preg_match('/-->$/', $Line['text']))
- {
- $Block['closed'] = true;
- }
-
- return $Block;
- }
- }
-
- protected function addToComment($Line, array $Block)
- {
- if (isset($Block['closed']))
- {
- return;
- }
-
- $Block['element'] .= "\n" . $Line['body'];
-
- if (preg_match('/-->$/', $Line['text']))
- {
- $Block['closed'] = true;
- }
-
- return $Block;
- }
-
- #
- # Fenced Code
-
- protected function identifyFencedCode($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 $Block;
- }
- }
-
- protected function addToFencedCode($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 $Block;
- }
-
- protected function completeFencedCode($Block)
- {
- $text = $Block['element']['text']['text'];
-
- $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
-
- $Block['element']['text']['text'] = $text;
-
- return $Block;
- }
-
- #
- # List
-
- protected function identifyList($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 $Block;
- }
- }
-
- protected function addToList($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']);
-
- $Block['li'] = array(
- 'name' => 'li',
- 'handler' => 'li',
- 'text' => array(
- $matches[1],
- ),
- );
-
- $Block['element']['text'] []= & $Block['li'];
-
- 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 $Block;
- }
- }
-
- #
- # Quote
-
- protected function identifyQuote($Line)
- {
- if (preg_match('/^>[ ]?(.*)/', $Line['text'], $matches))
- {
- $Block = array(
- 'element' => array(
- 'name' => 'blockquote',
- 'handler' => 'lines',
- 'text' => (array) $matches[1],
- ),
- );
-
- return $Block;
- }
- }
-
- protected function addToQuote($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 $Block;
- }
- }
-
- #
- # Rule
-
- protected function identifyRule($Line)
- {
- if (preg_match('/^(['.$Line['text'][0].'])([ ]{0,2}\1){2,}[ ]*$/', $Line['text']))
- {
- $Block = array(
- 'element' => array(
- 'name' => 'hr'
- ),
- );
-
- return $Block;
- }
- }
-
- #
- # Setext
-
- protected function identifySetext($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 $Block;
- }
- }
-
- #
- # Markup
-
- protected function identifyMarkup($Line)
- {
- if ($this->markupEscaped)
- {
- return;
- }
-
- if (preg_match('/^<(\w[\w\d]*)(?:[ ][^>]*)?(\/?)[ ]*>/', $Line['text'], $matches))
- {
- if (in_array($matches[1], $this->textLevelElements))
- {
- return;
- }
-
- $Block = array(
- 'element' => $Line['body'],
- );
-
- if ($matches[2] or in_array($matches[1], $this->voidElements) or preg_match('/<\/'.$matches[1].'>[ ]*$/', $Line['text']))
- {
- $Block['closed'] = true;
- }
- else
- {
- $Block['depth'] = 0;
- $Block['name'] = $matches[1];
- }
-
- return $Block;
- }
- }
-
- protected function addToMarkup($Line, array $Block)
- {
- if (isset($Block['closed']))
- {
- return;
- }
-
- if (preg_match('/<'.$Block['name'].'([ ][^\/]+)?>/', $Line['text'])) # opening tag
- {
- $Block['depth'] ++;
- }
-
- if (stripos($Line['text'], '</'.$Block['name'].'>') !== false) # closing tag
- {
- if ($Block['depth'] > 0)
- {
- $Block['depth'] --;
- }
- else
- {
- $Block['closed'] = true;
- }
- }
-
- $Block['element'] .= "\n".$Line['body'];
-
- return $Block;
- }
-
- #
- # Table
-
- protected function identifyTable($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(
- '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 $Block;
- }
- }
-
- protected function addToTable($Line, array $Block)
- {
- if ($Line['text'][0] === '|' or strpos($Line['text'], '|'))
- {
- $Elements = array();
-
- $row = $Line['text'];
-
- $row = trim($row);
- $row = trim($row, '|');
-
- $cells = explode('|', $row);
-
- foreach ($cells as $index => $cell)
- {
- $cell = trim($cell);
-
- $Element = array(
- 'name' => 'td',
- 'handler' => 'line',
- 'text' => $cell,
- );
-
- if (isset($Block['alignments'][$index]))
- {
- $Element['attributes'] = array(
- 'align' => $Block['alignments'][$index],
- );
- }
-
- $Elements []= $Element;
- }
-
- $Element = array(
- 'name' => 'tr',
- 'handler' => 'elements',
- 'text' => $Elements,
- );
-
- $Block['element']['text'][1]['text'] []= $Element;
-
- return $Block;
- }
- }
-
- #
- # Definitions
- #
-
- protected function identifyReference($Line)
- {
- if (preg_match('/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches))
- {
- $Definition = array(
- 'id' => strtolower($matches[1]),
- 'data' => array(
- 'url' => $matches[2],
- ),
- );
-
- if (isset($matches[3]))
- {
- $Definition['data']['title'] = $matches[3];
- }
-
- return $Definition;
- }
- }
-
- #
- # ~
- #
-
- protected function buildParagraph($Line)
- {
- $Block = array(
- 'element' => array(
- 'name' => 'p',
- 'text' => $Line['text'],
- 'handler' => 'line',
- ),
- );
-
- return $Block;
- }
-
- #
- # ~
- #
-
- protected function element(array $Element)
- {
- $markup = '<'.$Element['name'];
-
- if (isset($Element['attributes']))
- {
- foreach ($Element['attributes'] as $name => $value)
- {
- $markup .= ' '.$name.'="'.$value.'"';
- }
- }
-
- if (isset($Element['text']))
- {
- $markup .= '>';
-
- if (isset($Element['handler']))
- {
- $markup .= $this->$Element['handler']($Element['text']);
- }
- else
- {
- $markup .= $Element['text'];
- }
-
- $markup .= '</'.$Element['name'].'>';
- }
- else
- {
- $markup .= ' />';
- }
-
- return $markup;
- }
-
- protected function elements(array $Elements)
- {
- $markup = '';
-
- foreach ($Elements as $Element)
- {
- if ($Element === null)
- {
- continue;
- }
-
- $markup .= "\n";
-
- if (is_string($Element)) # because of Markup
- {
- $markup .= $Element;
-
- continue;
- }
-
- $markup .= $this->element($Element);
- }
-
- $markup .= "\n";
-
- return $markup;
- }
-
- #
- # Spans
- #
-
- protected $SpanTypes = array(
- '!' => array('Link'), # ?
- '&' => array('Ampersand'),
- '*' => array('Emphasis'),
- '/' => array('Url'),
- '<' => array('UrlTag', 'EmailTag', 'Tag', 'LessThan'),
- '[' => array('Link'),
- '_' => array('Emphasis'),
- '`' => array('InlineCode'),
- '~' => array('Strikethrough'),
- '\\' => array('EscapeSequence'),
- );
-
- # ~
-
- protected $spanMarkerList = '*_!&[</`~\\';
-
- #
- # ~
- #
-
- public function line($text)
- {
- $markup = '';
-
- $remainder = $text;
-
- $markerPosition = 0;
-
- while ($excerpt = strpbrk($remainder, $this->spanMarkerList))
- {
- $marker = $excerpt[0];
-
- $markerPosition += strpos($remainder, $marker);
-
- $Excerpt = array('text' => $excerpt, 'context' => $text);
-
- foreach ($this->SpanTypes[$marker] as $spanType)
- {
- $handler = 'identify'.$spanType;
-
- $Span = $this->$handler($Excerpt);
-
- if ( ! isset($Span))
- {
- continue;
- }
-
- # The identified span can be ahead of the marker.
-
- if (isset($Span['position']) and $Span['position'] > $markerPosition)
- {
- continue;
- }
-
- # Spans that start at the position of their marker don't have to set a position.
-
- if ( ! isset($Span['position']))
- {
- $Span['position'] = $markerPosition;
- }
-
- $plainText = substr($text, 0, $Span['position']);
-
- $markup .= $this->readPlainText($plainText);
-
- $markup .= isset($Span['markup']) ? $Span['markup'] : $this->element($Span['element']);
-
- $text = substr($text, $Span['position'] + $Span['extent']);
-
- $remainder = $text;
-
- $markerPosition = 0;
-
- continue 2;
- }
-
- $remainder = substr($excerpt, 1);
-
- $markerPosition ++;
- }
-
- $markup .= $this->readPlainText($text);
-
- return $markup;
- }
-
- #
- # ~
- #
-
- protected function identifyUrl($Excerpt)
- {
- if ( ! isset($Excerpt['text'][1]) or $Excerpt['text'][1] !== '/')
- {
- return;
- }
-
- if (preg_match('/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE))
- {
- $url = str_replace(array('&', '<'), array('&amp;', '&lt;'), $matches[0][0]);
-
- return array(
- 'extent' => strlen($matches[0][0]),
- 'position' => $matches[0][1],
- 'element' => array(
- 'name' => 'a',
- 'text' => $url,
- 'attributes' => array(
- 'href' => $url,
- ),
- ),
- );
- }
- }
-
- protected function identifyAmpersand($Excerpt)
- {
- if ( ! preg_match('/^&#?\w+;/', $Excerpt['text']))
- {
- return array(
- 'markup' => '&amp;',
- 'extent' => 1,
- );
- }
- }
-
- protected function identifyStrikethrough($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' => $matches[1],
- 'handler' => 'line',
- ),
- );
- }
- }
-
- protected function identifyEscapeSequence($Excerpt)
- {
- if (isset($Excerpt['text'][1]) and in_array($Excerpt['text'][1], $this->specialCharacters))
- {
- return array(
- 'markup' => $Excerpt['text'][1],
- 'extent' => 2,
- );
- }
- }
-
- protected function identifyLessThan()
- {
- return array(
- 'markup' => '&lt;',
- 'extent' => 1,
- );
- }
-
- protected function identifyUrlTag($Excerpt)
- {
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(https?:[\/]{2}[^\s]+?)>/i', $Excerpt['text'], $matches))
- {
- $url = str_replace(array('&', '<'), array('&amp;', '&lt;'), $matches[1]);
-
- return array(
- 'extent' => strlen($matches[0]),
- 'element' => array(
- 'name' => 'a',
- 'text' => $url,
- 'attributes' => array(
- 'href' => $url,
- ),
- ),
- );
- }
- }
-
- protected function identifyEmailTag($Excerpt)
- {
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<(\S+?@\S+?)>/', $Excerpt['text'], $matches))
- {
- return array(
- 'extent' => strlen($matches[0]),
- 'element' => array(
- 'name' => 'a',
- 'text' => $matches[1],
- 'attributes' => array(
- 'href' => 'mailto:'.$matches[1],
- ),
- ),
- );
- }
- }
-
- protected function identifyTag($Excerpt)
- {
- if ($this->markupEscaped)
- {
- return;
- }
-
- if (strpos($Excerpt['text'], '>') !== false and preg_match('/^<\/?\w.*?>/', $Excerpt['text'], $matches))
- {
- return array(
- 'markup' => $matches[0],
- 'extent' => strlen($matches[0]),
- );
- }
- }
-
- protected function identifyInlineCode($Excerpt)
- {
- $marker = $Excerpt['text'][0];
-
- if (preg_match('/^('.$marker.'+)[ ]*(.+?)[ ]*(?<!'.$marker.')\1(?!'.$marker.')/', $Excerpt['text'], $matches))
- {
- $text = $matches[2];
- $text = htmlspecialchars($text, ENT_NOQUOTES, 'UTF-8');
-
- return array(
- 'extent' => strlen($matches[0]),
- 'element' => array(
- 'name' => 'code',
- 'text' => $text,
- ),
- );
- }
- }
-
- protected function identifyLink($Excerpt)
- {
- $extent = $Excerpt['text'][0] === '!' ? 1 : 0;
-
- if (strpos($Excerpt['text'], ']') and preg_match('/\[((?:[^][]|(?R))*)\]/', $Excerpt['text'], $matches))
- {
- $Link = array('text' => $matches[1], 'label' => strtolower($matches[1]));
-
- $extent += strlen($matches[0]);
-
- $substring = substr($Excerpt['text'], $extent);
-
- if (preg_match('/^\s*\[([^][]+)\]/', $substring, $matches))
- {
- $Link['label'] = strtolower($matches[1]);
-
- if (isset($this->Definitions['Reference'][$Link['label']]))
- {
- $Link += $this->Definitions['Reference'][$Link['label']];
-
- $extent += strlen($matches[0]);
- }
- else
- {
- return;
- }
- }
- elseif (isset($this->Definitions['Reference'][$Link['label']]))
- {
- $Link += $this->Definitions['Reference'][$Link['label']];
-
- if (preg_match('/^[ ]*\[\]/', $substring, $matches))
- {
- $extent += strlen($matches[0]);
- }
- }
- elseif (preg_match('/^\([ ]*(.*?)(?:[ ]+[\'"](.+?)[\'"])?[ ]*\)/', $substring, $matches))
- {
- $Link['url'] = $matches[1];
-
- if (isset($matches[2]))
- {
- $Link['title'] = $matches[2];
- }
-
- $extent += strlen($matches[0]);
- }
- else
- {
- return;
- }
- }
- else
- {
- return;
- }
-
- $url = str_replace(array('&', '<'), array('&amp;', '&lt;'), $Link['url']);
-
- if ($Excerpt['text'][0] === '!')
- {
- $Element = array(
- 'name' => 'img',
- 'attributes' => array(
- 'alt' => $Link['text'],
- 'src' => $url,
- ),
- );
- }
- else
- {
- $Element = array(
- 'name' => 'a',
- 'handler' => 'line',
- 'text' => $Link['text'],
- 'attributes' => array(
- 'href' => $url,
- ),
- );
- }
-
- if (isset($Link['title']))
- {
- $Element['attributes']['title'] = $Link['title'];
- }
-
- return array(
- 'extent' => $extent,
- 'element' => $Element,
- );
- }
-
- protected function identifyEmphasis($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' => $matches[1],
- ),
- );
- }
-
- #
- # ~
-
- protected function readPlainText($text)
- {
- $breakMarker = $this->breaksEnabled ? "\n" : " \n";
-
- $text = str_replace($breakMarker, "<br />\n", $text);
-
- return $text;
- }
-
- #
- # ~
- #
-
- protected function li($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 $markup;
- }
-
- #
- # Multiton
- #
-
- static function instance($name = 'default')
- {
- if (isset(self::$instances[$name]))
- {
- return self::$instances[$name];
- }
-
- $instance = new self();
-
- self::$instances[$name] = $instance;
-
- return $instance;
- }
-
- private static $instances = array();
-
- #
- # Deprecated Methods
- #
-
- /**
- * @deprecated in favor of "text"
- */
- function parse($text)
- {
- $markup = $this->text($text);
-
- return $markup;
- }
-
- #
- # Fields
- #
-
- protected $Definitions;
-
- #
- # Read-only
-
- protected $specialCharacters = array(
- '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!',
- );
-
- protected $StrongRegex = array(
- '*' => '/^[*]{2}((?:[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s',
- '_' => '/^__((?:[^_]|_[^_]*_)+?)__(?!_)/us',
- );
-
- protected $EmRegex = array(
- '*' => '/^[*]((?:[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',
- '_' => '/^_((?:[^_]|__[^_]*__)+?)_(?!_)\b/us',
- );
-
- 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',
- );
-}