diff options
Diffstat (limited to 'vendor/parsedown-0.9.0/Parsedown.php')
| -rwxr-xr-x | vendor/parsedown-0.9.0/Parsedown.php | 1055 |
1 files changed, 0 insertions, 1055 deletions
diff --git a/vendor/parsedown-0.9.0/Parsedown.php b/vendor/parsedown-0.9.0/Parsedown.php deleted file mode 100755 index 1c93fb3a..00000000 --- a/vendor/parsedown-0.9.0/Parsedown.php +++ /dev/null @@ -1,1055 +0,0 @@ -<?php - -# -# -# Parsedown -# http://parsedown.org -# -# (c) Emanuil Rusev -# http://erusev.com -# -# For the full license information, please view the LICENSE file that was -# distributed with this source code. -# -# - -class Parsedown -{ - # - # Multiton (http://en.wikipedia.org/wiki/Multiton_pattern) - # - - static function instance($name = 'default') - { - if (isset(self::$instances[$name])) - return self::$instances[$name]; - - $instance = new Parsedown(); - - self::$instances[$name] = $instance; - - return $instance; - } - - private static $instances = array(); - - # - # Setters - # - - private $breaks_enabled = false; - - function set_breaks_enabled($breaks_enabled) - { - $this->breaks_enabled = $breaks_enabled; - - return $this; - } - - # - # Fields - # - - private $reference_map = array(); - - # - # Public Methods - # - - function parse($text) - { - # removes \r characters - $text = str_replace("\r\n", "\n", $text); - $text = str_replace("\r", "\n", $text); - - # replaces tabs with spaces - $text = str_replace("\t", ' ', $text); - - # ~ - - $text = trim($text, "\n"); - - $lines = explode("\n", $text); - - $text = $this->parse_block_elements($lines); - - $text = rtrim($text, "\n"); - - return $text; - } - - # - # Private Methods - # - - private function parse_block_elements(array $lines, $context = '') - { - $elements = array(); - - $element = array( - 'type' => '', - ); - - foreach ($lines as $line) - { - # fenced elements - - switch ($element['type']) - { - case 'fenced block': - - if ( ! isset($element['closed'])) - { - if (preg_match('/^[ ]*'.$element['fence'][0].'{3,}[ ]*$/', $line)) - { - $element['closed'] = true; - } - else - { - $element['text'] !== '' and $element['text'] .= "\n"; - - $element['text'] .= $line; - } - - continue 2; - } - - break; - - case 'block-level markup': - - if ( ! isset($element['closed'])) - { - if (strpos($line, $element['start']) !== false) # opening tag - { - $element['depth']++; - } - - if (strpos($line, $element['end']) !== false) # closing tag - { - $element['depth'] > 0 - ? $element['depth']-- - : $element['closed'] = true; - } - - $element['text'] .= "\n".$line; - - continue 2; - } - - break; - } - - # * - - $deindented_line = ltrim($line); - - if ($deindented_line === '') - { - $element['interrupted'] = true; - - continue; - } - - # composite elements - - switch ($element['type']) - { - case 'blockquote': - - if ( ! isset($element['interrupted'])) - { - $line = preg_replace('/^[ ]*>[ ]?/', '', $line); - - $element['lines'] []= $line; - - continue 2; - } - - break; - - case 'li': - - if (preg_match('/^([ ]{0,3})(\d+[.]|[*+-])[ ](.*)/', $line, $matches)) - { - if ($element['indentation'] !== $matches[1]) - { - $element['lines'] []= $line; - } - else - { - unset($element['last']); - - $elements []= $element; - - unset($element['first']); - - $element['last'] = true; - $element['lines'] = array( - preg_replace('/^[ ]{0,4}/', '', $matches[3]), - ); - } - - continue 2; - } - - if (isset($element['interrupted'])) - { - if ($line[0] === ' ') - { - $element['lines'] []= ''; - - $line = preg_replace('/^[ ]{0,4}/', '', $line); - - $element['lines'] []= $line; - - unset($element['interrupted']); - - continue 2; - } - } - else - { - $line = preg_replace('/^[ ]{0,4}/', '', $line); - - $element['lines'] []= $line; - - continue 2; - } - - break; - } - - # indentation sensitive types - - switch ($line[0]) - { - case ' ': - - # code block - - if (isset($line[3]) and $line[3] === ' ' and $line[2] === ' ' and $line[1] === ' ') - { - $code_line = substr($line, 4); - - if ($element['type'] === 'code block') - { - if (isset($element['interrupted'])) - { - $element['text'] .= "\n"; - - unset ($element['interrupted']); - } - - $element['text'] .= "\n".$code_line; - } - else - { - $elements []= $element; - - $element = array( - 'type' => 'code block', - 'text' => $code_line, - ); - } - - continue 2; - } - - break; - - case '#': - - # atx heading (#) - - if (isset($line[1])) - { - $elements []= $element; - - $level = 1; - - while (isset($line[$level]) and $line[$level] === '#') - { - $level++; - } - - $element = array( - 'type' => 'heading', - 'text' => trim($line, '# '), - 'level' => $level, - ); - - continue 2; - } - - break; - - case '-': - case '=': - - # setext heading - - if ($element['type'] === 'paragraph' and isset($element['interrupted']) === false) - { - $chopped_line = rtrim($line); - - $i = 1; - - while (isset($chopped_line[$i])) - { - if ($chopped_line[$i] !== $line[0]) - { - break 2; - } - - $i++; - } - - $element['type'] = 'heading'; - $element['level'] = $line[0] === '-' ? 2 : 1; - - continue 2; - } - - break; - } - - # indentation insensitive types - - switch ($deindented_line[0]) - { - case '<': - - $position = strpos($deindented_line, '>'); - - if ($position > 1) # tag - { - $name = substr($deindented_line, 1, $position - 1); - $name = rtrim($name); - - if (substr($name, -1) === '/') - { - $self_closing = true; - - $name = substr($name, 0, -1); - } - - $position = strpos($name, ' '); - - if ($position) - { - $name = substr($name, 0, $position); - } - - if ( ! ctype_alpha($name)) - { - break; - } - - if (in_array($name, $this->inline_tags)) - { - break; - } - - $elements []= $element; - - if (isset($self_closing)) - { - $element = array( - 'type' => 'self-closing tag', - 'text' => $deindented_line, - ); - - unset($self_closing); - - continue 2; - } - - $element = array( - 'type' => 'block-level markup', - 'text' => $deindented_line, - 'start' => '<'.$name.'>', - 'end' => '</'.$name.'>', - 'depth' => 0, - ); - - if (strpos($deindented_line, $element['end'])) - { - $element['closed'] = true; - } - - continue 2; - } - - break; - - case '>': - - # quote - - if (preg_match('/^>[ ]?(.*)/', $deindented_line, $matches)) - { - $elements []= $element; - - $element = array( - 'type' => 'blockquote', - 'lines' => array( - $matches[1], - ), - ); - - continue 2; - } - - break; - - case '[': - - # reference - - if (preg_match('/^\[(.+?)\]:[ ]*(.+?)(?:[ ]+[\'"](.+?)[\'"])?[ ]*$/', $deindented_line, $matches)) - { - $label = strtolower($matches[1]); - - $this->reference_map[$label] = array( - '»' => trim($matches[2], '<>'), - ); - - if (isset($matches[3])) - { - $this->reference_map[$label]['#'] = $matches[3]; - } - - continue 2; - } - - break; - - case '`': - case '~': - - # fenced code block - - if (preg_match('/^([`]{3,}|[~]{3,})[ ]*(\S+)?[ ]*$/', $deindented_line, $matches)) - { - $elements []= $element; - - $element = array( - 'type' => 'fenced block', - 'text' => '', - 'fence' => $matches[1], - ); - - isset($matches[2]) and $element['language'] = $matches[2]; - - continue 2; - } - - break; - - case '*': - case '+': - case '-': - case '_': - - # hr - - if (preg_match('/^([-*_])([ ]{0,2}\1){2,}[ ]*$/', $deindented_line)) - { - $elements []= $element; - - $element = array( - 'type' => 'hr', - ); - - continue 2; - } - - # li - - if (preg_match('/^([ ]*)[*+-][ ](.*)/', $line, $matches)) - { - $elements []= $element; - - $element = array( - 'type' => 'li', - 'ordered' => false, - 'indentation' => $matches[1], - 'first' => true, - 'last' => true, - 'lines' => array( - preg_replace('/^[ ]{0,4}/', '', $matches[2]), - ), - ); - - continue 2; - } - } - - # li - - if ($deindented_line[0] <= '9' and $deindented_line[0] >= '0' and preg_match('/^([ ]*)\d+[.][ ](.*)/', $line, $matches)) - { - $elements []= $element; - - $element = array( - 'type' => 'li', - 'ordered' => true, - 'indentation' => $matches[1], - 'first' => true, - 'last' => true, - 'lines' => array( - preg_replace('/^[ ]{0,4}/', '', $matches[2]), - ), - ); - - continue; - } - - # paragraph - - if ($element['type'] === 'paragraph') - { - if (isset($element['interrupted'])) - { - $elements []= $element; - - $element['text'] = $line; - - unset($element['interrupted']); - } - else - { - $this->breaks_enabled and $element['text'] .= ' '; - - $element['text'] .= "\n".$line; - } - } - else - { - $elements []= $element; - - $element = array( - 'type' => 'paragraph', - 'text' => $line, - ); - } - } - - $elements []= $element; - - unset($elements[0]); - - # - # ~ - # - - $markup = ''; - - foreach ($elements as $element) - { - switch ($element['type']) - { - case 'paragraph': - - $text = $this->parse_span_elements($element['text']); - - if ($context === 'li' and $markup === '') - { - if (isset($element['interrupted'])) - { - $markup .= "\n".'<p>'.$text.'</p>'."\n"; - } - else - { - $markup .= $text; - - if (isset($elements[2])) - { - $markup .= "\n"; - } - } - } - else - { - $markup .= '<p>'.$text.'</p>'."\n"; - } - - break; - - case 'blockquote': - - $text = $this->parse_block_elements($element['lines']); - - $markup .= '<blockquote>'."\n".$text.'</blockquote>'."\n"; - - break; - - case 'code block': - - $text = htmlspecialchars($element['text'], ENT_NOQUOTES, 'UTF-8'); - - $markup .= '<pre><code>'.$text.'</code></pre>'."\n"; - - break; - - case 'fenced block': - - $text = htmlspecialchars($element['text'], ENT_NOQUOTES, 'UTF-8'); - - $markup .= '<pre><code'; - - isset($element['language']) and $markup .= ' class="language-'.$element['language'].'"'; - - $markup .= '>'.$text.'</code></pre>'."\n"; - - break; - - case 'heading': - - $text = $this->parse_span_elements($element['text']); - - $markup .= '<h'.$element['level'].'>'.$text.'</h'.$element['level'].'>'."\n"; - - break; - - case 'hr': - - $markup .= '<hr />'."\n"; - - break; - - case 'li': - - if (isset($element['first'])) - { - $type = $element['ordered'] ? 'ol' : 'ul'; - - $markup .= '<'.$type.'>'."\n"; - } - - if (isset($element['interrupted']) and ! isset($element['last'])) - { - $element['lines'] []= ''; - } - - $text = $this->parse_block_elements($element['lines'], 'li'); - - $markup .= '<li>'.$text.'</li>'."\n"; - - if (isset($element['last'])) - { - $type = $element['ordered'] ? 'ol' : 'ul'; - - $markup .= '</'.$type.'>'."\n"; - } - - break; - - case 'block-level markup': - - $markup .= $element['text']."\n"; - - break; - - default: - - $markup .= $element['text']."\n"; - } - } - - return $markup; - } - - private function parse_span_elements($text, $markers = array(" \n", '![', '&', '*', '<', '[', '\\', '_', '`', 'http', '~~')) - { - if (isset($text[1]) === false or $markers === array()) - { - return $text; - } - - # ~ - - $markup = ''; - - while ($markers) - { - $closest_marker = null; - $closest_marker_index = 0; - $closest_marker_position = null; - - foreach ($markers as $index => $marker) - { - $marker_position = strpos($text, $marker); - - if ($marker_position === false) - { - unset($markers[$index]); - - continue; - } - - if ($closest_marker === null or $marker_position < $closest_marker_position) - { - $closest_marker = $marker; - $closest_marker_index = $index; - $closest_marker_position = $marker_position; - } - } - - # ~ - - if ($closest_marker === null or isset($text[$closest_marker_position + 1]) === false) - { - $markup .= $text; - - break; - } - else - { - $markup .= substr($text, 0, $closest_marker_position); - } - - $text = substr($text, $closest_marker_position); - - # ~ - - unset($markers[$closest_marker_index]); - - # ~ - - switch ($closest_marker) - { - case " \n": - - $markup .= '<br />'."\n"; - - $offset = 3; - - break; - - case '![': - case '[': - - if (strpos($text, ']') and preg_match('/\[((?:[^][]|(?R))*)\]/', $text, $matches)) - { - $element = array( - '!' => $text[0] === '!', - 'a' => $matches[1], - ); - - $offset = strlen($matches[0]); - - $element['!'] and $offset++; - - $remaining_text = substr($text, $offset); - - if ($remaining_text[0] === '(' and preg_match('/\([ ]*(.*?)(?:[ ]+[\'"](.+?)[\'"])?[ ]*\)/', $remaining_text, $matches)) - { - $element['»'] = $matches[1]; - - if (isset($matches[2])) - { - $element['#'] = $matches[2]; - } - - $offset += strlen($matches[0]); - } - elseif ($this->reference_map) - { - $reference = $element['a']; - - if (preg_match('/^\s*\[(.*?)\]/', $remaining_text, $matches)) - { - $reference = $matches[1] ? $matches[1] : $element['a']; - - $offset += strlen($matches[0]); - } - - $reference = strtolower($reference); - - if (isset($this->reference_map[$reference])) - { - $element['»'] = $this->reference_map[$reference]['»']; - - if (isset($this->reference_map[$reference]['#'])) - { - $element['#'] = $this->reference_map[$reference]['#']; - } - } - else - { - unset($element); - } - } - else - { - unset($element); - } - } - - if (isset($element)) - { - $element['»'] = str_replace('&', '&', $element['»']); - $element['»'] = str_replace('<', '<', $element['»']); - - if ($element['!']) - { - $markup .= '<img alt="'.$element['a'].'" src="'.$element['»'].'"'; - - isset($element['#']) and $markup .= ' title="'.$element['#'].'"'; - - $markup .= ' />'; - } - else - { - $element['a'] = $this->parse_span_elements($element['a'], $markers); - - $markup .= '<a href="'.$element['»'].'"'; - - isset($element['#']) and $markup .= ' title="'.$element['#'].'"'; - - $markup .= '>'.$element['a'].'</a>'; - } - - unset($element); - } - else - { - $markup .= $closest_marker; - - $offset = $closest_marker === '![' ? 2 : 1; - } - - break; - - case '&': - - if (preg_match('/^&#?\w+;/', $text, $matches)) - { - $markup .= $matches[0]; - - $offset = strlen($matches[0]); - } - else - { - $markup .= '&'; - - $offset = 1; - } - - break; - - case '*': - case '_': - - if ($text[1] === $closest_marker and preg_match($this->strong_regex[$closest_marker], $text, $matches)) - { - $matches[1] = $this->parse_span_elements($matches[1], $markers); - - $markup .= '<strong>'.$matches[1].'</strong>'; - } - elseif (preg_match($this->em_regex[$closest_marker], $text, $matches)) - { - $matches[1] = $this->parse_span_elements($matches[1], $markers); - - $markup .= '<em>'.$matches[1].'</em>'; - } - elseif ($text[1] === $closest_marker and preg_match($this->strong_em_regex[$closest_marker], $text, $matches)) - { - $matches[2] = $this->parse_span_elements($matches[2], $markers); - - $matches[1] and $matches[1] = $this->parse_span_elements($matches[1], $markers); - $matches[3] and $matches[3] = $this->parse_span_elements($matches[3], $markers); - - $markup .= '<strong>'.$matches[1].'<em>'.$matches[2].'</em>'.$matches[3].'</strong>'; - } - elseif (preg_match($this->em_strong_regex[$closest_marker], $text, $matches)) - { - $matches[2] = $this->parse_span_elements($matches[2], $markers); - - $matches[1] and $matches[1] = $this->parse_span_elements($matches[1], $markers); - $matches[3] and $matches[3] = $this->parse_span_elements($matches[3], $markers); - - $markup .= '<em>'.$matches[1].'<strong>'.$matches[2].'</strong>'.$matches[3].'</em>'; - } - - if (isset($matches) and $matches) - { - $offset = strlen($matches[0]); - } - else - { - $markup .= $closest_marker; - - $offset = 1; - } - - break; - - case '<': - - if (strpos($text, '>') !== false) - { - if ($text[1] === 'h' and preg_match('/^<(https?:[\/]{2}[^\s]+?)>/i', $text, $matches)) - { - $element_url = $matches[1]; - $element_url = str_replace('&', '&', $element_url); - $element_url = str_replace('<', '<', $element_url); - - $markup .= '<a href="'.$element_url.'">'.$element_url.'</a>'; - - $offset = strlen($matches[0]); - } - elseif (strpos($text, '@') > 1 and preg_match('/<(\S+?@\S+?)>/', $text, $matches)) - { - $markup .= '<a href="mailto:'.$matches[1].'">'.$matches[1].'</a>'; - - $offset = strlen($matches[0]); - } - elseif (preg_match('/^<\/?\w.*?>/', $text, $matches)) - { - $markup .= $matches[0]; - - $offset = strlen($matches[0]); - } - else - { - $markup .= '<'; - - $offset = 1; - } - } - else - { - $markup .= '<'; - - $offset = 1; - } - - break; - - case '\\': - - if (in_array($text[1], $this->special_characters)) - { - $markup .= $text[1]; - - $offset = 2; - } - else - { - $markup .= '\\'; - - $offset = 1; - } - - break; - - case '`': - - if (preg_match('/^(`+)(.+?)\1(?!`)/', $text, $matches)) - { - $element_text = $matches[2]; - $element_text = htmlspecialchars($element_text, ENT_NOQUOTES, 'UTF-8'); - - $markup .= '<code>'.$element_text.'</code>'; - - $offset = strlen($matches[0]); - } - else - { - $markup .= '`'; - - $offset = 1; - } - - break; - - case 'http': - - if (preg_match('/^https?:[\/]{2}[^\s]+\b/i', $text, $matches)) - { - $element_url = $matches[0]; - $element_url = str_replace('&', '&', $element_url); - $element_url = str_replace('<', '<', $element_url); - - $markup .= '<a href="'.$element_url.'">'.$element_url.'</a>'; - - $offset = strlen($matches[0]); - } - else - { - $markup .= 'http'; - - $offset = 4; - } - - break; - - case '~~': - - if (preg_match('/^~~(?=\S)(.+?)(?<=\S)~~/', $text, $matches)) - { - $matches[1] = $this->parse_span_elements($matches[1], $markers); - - $markup .= '<del>'.$matches[1].'</del>'; - - $offset = strlen($matches[0]); - } - else - { - $markup .= '~~'; - - $offset = 2; - } - - break; - } - - if (isset($offset)) - { - $text = substr($text, $offset); - } - - $markers[$closest_marker_index] = $closest_marker; - } - - return $markup; - } - - # - # Read-only - # - - private $inline_tags = array( - 'a', 'abbr', 'acronym', 'b', 'bdo', 'big', 'br', 'button', - 'cite', 'code', 'dfn', 'em', 'i', 'img', 'input', 'kbd', - 'label', 'map', 'object', 'q', 'samp', 'script', 'select', 'small', - 'span', 'strong', 'sub', 'sup', 'textarea', 'tt', 'var', - ); - - private $special_characters = array('\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!'); - - # ~ - - private $strong_regex = array( - '*' => '/^[*]{2}([^*]+?)[*]{2}(?![*])/s', - '_' => '/^__([^_]+?)__(?!_)/s', - ); - - private $em_regex = array( - '*' => '/^[*]([^*]+?)[*](?![*])/s', - '_' => '/^_([^_]+?)[_](?![_])\b/s', - ); - - private $strong_em_regex = array( - '*' => '/^[*]{2}(.*?)[*](.+?)[*](.*?)[*]{2}/s', - '_' => '/^__(.*?)_(.+?)_(.*?)__/s', - ); - - private $em_strong_regex = array( - '*' => '/^[*](.*?)[*]{2}(.+?)[*]{2}(.*?)[*]/s', - '_' => '/^_(.*?)__(.+?)__(.*?)_/s', - ); -}
\ No newline at end of file |