KOKINIO - MANAGER

Edit File: class-parsedown.php

<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'XT_Framework_Parsedown' ) ) {

/**
	 * Parsedown
	 * http://parsedown.org
	 *
	 * @package    XT_Framework
	 * @subpackage XT_Framework/includes
	 * @author     XplodedThemes
	 */
	class XT_Framework_Parsedown {

const version = '1.6.0';

function text( $text ) {
			# make sure no definitions are set
			$this->DefinitionData = array();

# standardize line breaks
			$text = str_replace( array( "\r\n", "\r" ), "\n", $text );

# remove surrounding line breaks
			$text = trim( $text, "\n" );

# split text into lines
			$lines = explode( "\n", $text );

# iterate through lines to identify blocks
			$markup = $this->lines( $lines );

# trim line breaks
			$markup = trim( $markup, "\n" );

return $markup;
		}

#
		# Setters
		#

function setBreaksEnabled( $breaksEnabled ) {
			$this->breaksEnabled = $breaksEnabled;

return $this;
		}

protected $breaksEnabled;

function setMarkupEscaped( $markupEscaped ) {
			$this->markupEscaped = $markupEscaped;

return $this;
		}

protected $markupEscaped;

function setUrlsLinked( $urlsLinked ) {
			$this->urlsLinked = $urlsLinked;

return $this;
		}

protected $urlsLinked = true;

#
		# Lines
		#

protected $BlockTypes = array(
			'#' => array( 'Header' ),
			'*' => array( 'Rule', 'List' ),
			'+' => array( 'List' ),
			'-' => array( 'SetextHeader', 'Table', 'Rule', 'List' ),
			'0' => array( 'List' ),
			'1' => array( 'List' ),
			'2' => array( 'List' ),
			'3' => array( 'List' ),
			'4' => array( 'List' ),
			'5' => array( 'List' ),
			'6' => array( 'List' ),
			'7' => array( 'List' ),
			'8' => array( 'List' ),
			'9' => array( 'List' ),
			':' => array( 'Table' ),
			'<' => array( 'Comment', 'Markup' ),
			'=' => array( 'SetextHeader' ),
			'>' => array( 'Quote' ),
			'[' => array( 'Reference' ),
			'_' => array( 'Rule' ),
			'`' => array( 'FencedCode' ),
			'|' => array( 'Table' ),
			'~' => array( 'FencedCode' ),
		);

# ~

protected $unmarkedBlockTypes = array(
			'Code',
		);

#
		# Blocks
		#

protected function lines( array $lines ) {
			$CurrentBlock = null;

foreach ( $lines as $line ) {
				if ( chop( $line ) === '' ) {
					if ( isset( $CurrentBlock ) ) {
						$CurrentBlock['interrupted'] = true;
					}

continue;
				}

if ( strpos( $line, "\t" ) !== false ) {
					$parts = explode( "\t", $line );

$line = $parts[0];

unset( $parts[0] );

foreach ( $parts as $part ) {
						$shortage = 4 - mb_strlen( $line, 'utf-8' ) % 4;

$line .= str_repeat( ' ', $shortage );
						$line .= $part;
					}
				}

$indent = 0;

while ( isset( $line[ $indent ] ) and $line[ $indent ] === ' ' ) {
					$indent ++;
				}

$text = $indent > 0 ? substr( $line, $indent ) : $line;

# ~

$Line = array( 'body' => $line, 'indent' => $indent, 'text' => $text );

# ~

if ( isset( $CurrentBlock['continuable'] ) ) {
					$Block = $this->{'block' . $CurrentBlock['type'] . 'Continue'}( $Line, $CurrentBlock );

if ( isset( $Block ) ) {
						$CurrentBlock = $Block;

continue;
					} else {
						if ( $this->isBlockCompletable( $CurrentBlock['type'] ) ) {
							$CurrentBlock = $this->{'block' . $CurrentBlock['type'] . 'Complete'}( $CurrentBlock );
						}
					}
				}

# ~

$marker = $text[0];

# ~

$blockTypes = $this->unmarkedBlockTypes;

if ( isset( $this->BlockTypes[ $marker ] ) ) {
					foreach ( $this->BlockTypes[ $marker ] as $blockType ) {
						$blockTypes [] = $blockType;
					}
				}

#
				# ~

foreach ( $blockTypes as $blockType ) {
					$Block = $this->{'block' . $blockType}( $Line, $CurrentBlock );

if ( isset( $Block ) ) {
						$Block['type'] = $blockType;

if ( ! isset( $Block['identified'] ) ) {
							$Blocks [] = $CurrentBlock;

$Block['identified'] = true;
						}

if ( $this->isBlockContinuable( $blockType ) ) {
							$Block['continuable'] = true;
						}

$CurrentBlock = $Block;

continue 2;
					}
				}

# ~

if ( isset( $CurrentBlock ) and ! isset( $CurrentBlock['type'] ) and ! isset( $CurrentBlock['interrupted'] ) ) {
					$CurrentBlock['element']['text'] .= "\n" . $text;
				} else {
					$Blocks [] = $CurrentBlock;

$CurrentBlock = $this->paragraph( $Line );

$CurrentBlock['identified'] = true;
				}
			}

# ~

if ( isset( $CurrentBlock['continuable'] ) and $this->isBlockCompletable( $CurrentBlock['type'] ) ) {
				$CurrentBlock = $this->{'block' . $CurrentBlock['type'] . 'Complete'}( $CurrentBlock );
			}

# ~

$Blocks [] = $CurrentBlock;

unset( $Blocks[0] );

# ~

$markup = '';

foreach ( $Blocks as $Block ) {
				if ( isset( $Block['hidden'] ) ) {
					continue;
				}

$markup .= "\n";
				$markup .= isset( $Block['markup'] ) ? $Block['markup'] : $this->element( $Block['element'] );
			}

$markup .= "\n";

# ~

return $markup;
		}

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 ! isset( $Block['type'] ) and ! isset( $Block['interrupted'] ) ) {
				return;
			}

if ( $Line['indent'] >= 4 ) {
				$text = substr( $Line['body'], 4 );

$Block = array(
					'element' => array(
						'name'    => 'pre',
						'handler' => 'element',
						'text'    => array(
							'name' => 'code',
							'text' => $text,
						),
					),
				);

return $Block;
			}
		}

protected function blockCodeContinue( $Line, $Block ) {
			if ( $Line['indent'] >= 4 ) {
				if ( isset( $Block['interrupted'] ) ) {
					$Block['element']['text']['text'] .= "\n";

unset( $Block['interrupted'] );
				}

$Block['element']['text']['text'] .= "\n";

$text = substr( $Line['body'], 4 );

$Block['element']['text']['text'] .= $text;

return $Block;
			}
		}

protected function blockCodeComplete( $Block ) {
			$text = $Block['element']['text']['text'];

$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );

$Block['element']['text']['text'] = $text;

return $Block;
		}

#
		# Comment

protected function blockComment( $Line ) {
			if ( $this->markupEscaped ) {
				return;
			}

if ( isset( $Line['text'][3] ) and $Line['text'][3] === '-' and $Line['text'][2] === '-' and $Line['text'][1] === '!' ) {
				$Block = array(
					'markup' => $Line['body'],
				);

if ( preg_match( '/-->$/', $Line['text'] ) ) {
					$Block['closed'] = true;
				}

return $Block;
			}
		}

protected function blockCommentContinue( $Line, array $Block ) {
			if ( isset( $Block['closed'] ) ) {
				return;
			}

$Block['markup'] .= "\n" . $Line['body'];

if ( preg_match( '/-->$/', $Line['text'] ) ) {
				$Block['closed'] = true;
			}

return $Block;
		}

#
		# Fenced Code

protected function blockFencedCode( $Line ) {
			if ( preg_match( '/^[' . $Line['text'][0] . ']{3,}[ ]*([\w-]+)?[ ]*$/', $Line['text'], $matches ) ) {
				$Element = array(
					'name' => 'code',
					'text' => '',
				);

if ( isset( $matches[1] ) ) {
					$class = 'language-' . $matches[1];

$Element['attributes'] = array(
						'class' => $class,
					);
				}

$Block = array(
					'char'    => $Line['text'][0],
					'element' => array(
						'name'    => 'pre',
						'handler' => 'element',
						'text'    => $Element,
					),
				);

return $Block;
			}
		}

protected function blockFencedCodeContinue( $Line, $Block ) {
			if ( isset( $Block['complete'] ) ) {
				return;
			}

if ( isset( $Block['interrupted'] ) ) {
				$Block['element']['text']['text'] .= "\n";

unset( $Block['interrupted'] );
			}

if ( preg_match( '/^' . $Block['char'] . '{3,}[ ]*$/', $Line['text'] ) ) {
				$Block['element']['text']['text'] = substr( $Block['element']['text']['text'], 1 );

$Block['complete'] = true;

return $Block;
			}

$Block['element']['text']['text'] .= "\n" . $Line['body'];

return $Block;
		}

protected function blockFencedCodeComplete( $Block ) {
			$text = $Block['element']['text']['text'];

$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );

$Block['element']['text']['text'] = $text;

return $Block;
		}

#
		# Header

protected function blockHeader( $Line ) {
			if ( isset( $Line['text'][1] ) ) {
				$level = 1;

while ( isset( $Line['text'][ $level ] ) and $Line['text'][ $level ] === '#' ) {
					$level ++;
				}

if ( $level > 6 ) {
					return;
				}

$text = trim( $Line['text'], '# ' );

$Block = array(
					'element' => array(
						'name'    => 'h' . min( 6, $level ),
						'text'    => $text,
						'handler' => 'line',
					),
				);

return $Block;
			}
		}

#
		# List

protected function blockList( $Line ) {
			list( $name, $pattern ) = $Line['text'][0] <= '-' ? array( 'ul', '[*+-]' ) : array( 'ol', '[0-9]+[.]' );

if ( preg_match( '/^(' . $pattern . '[ ]+)(.*)/', $Line['text'], $matches ) ) {
				$Block = array(
					'indent'  => $Line['indent'],
					'pattern' => $pattern,
					'element' => array(
						'name'    => $name,
						'handler' => 'elements',
					),
				);

if ( $name === 'ol' ) {
					$listStart = stristr( $matches[0], '.', true );

if ( $listStart !== '1' ) {
						$Block['element']['attributes'] = array( 'start' => $listStart );
					}
				}

$Block['li'] = array(
					'name'    => 'li',
					'handler' => 'li',
					'text'    => array(
						$matches[2],
					),
				);

$Block['element']['text'] [] = &$Block['li'];

return $Block;
			}
		}

protected function blockListContinue( $Line, array $Block ) {
			if ( $Block['indent'] === $Line['indent'] and preg_match( '/^' . $Block['pattern'] . '(?:[ ]+(.*)|$)/', $Line['text'], $matches ) ) {
				if ( isset( $Block['interrupted'] ) ) {
					$Block['li']['text'] [] = '';

unset( $Block['interrupted'] );
				}

unset( $Block['li'] );

$text = isset( $matches[1] ) ? $matches[1] : '';

$Block['li'] = array(
					'name'    => 'li',
					'handler' => 'li',
					'text'    => array(
						$text,
					),
				);

$Block['element']['text'] [] = &$Block['li'];

return $Block;
			}

if ( $Line['text'][0] === '[' and $this->blockReference( $Line ) ) {
				return $Block;
			}

if ( ! isset( $Block['interrupted'] ) ) {
				$text = preg_replace( '/^[ ]{0,4}/', '', $Line['body'] );

$Block['li']['text'] [] = $text;

return $Block;
			}

if ( $Line['indent'] > 0 ) {
				$Block['li']['text'] [] = '';

$text = preg_replace( '/^[ ]{0,4}/', '', $Line['body'] );

$Block['li']['text'] [] = $text;

unset( $Block['interrupted'] );

return $Block;
			}
		}

#
		# Quote

protected function blockQuote( $Line ) {
			if ( preg_match( '/^>[ ]?(.*)/', $Line['text'], $matches ) ) {
				$Block = array(
					'element' => array(
						'name'    => 'blockquote',
						'handler' => 'lines',
						'text'    => (array) $matches[1],
					),
				);

return $Block;
			}
		}

protected function blockQuoteContinue( $Line, array $Block ) {
			if ( $Line['text'][0] === '>' and preg_match( '/^>[ ]?(.*)/', $Line['text'], $matches ) ) {
				if ( isset( $Block['interrupted'] ) ) {
					$Block['element']['text'] [] = '';

unset( $Block['interrupted'] );
				}

$Block['element']['text'] [] = $matches[1];

return $Block;
			}

if ( ! isset( $Block['interrupted'] ) ) {
				$Block['element']['text'] [] = $Line['text'];

return $Block;
			}
		}

#
		# Rule

protected function blockRule( $Line ) {
			if ( preg_match( '/^([' . $Line['text'][0] . '])([ ]*\1){2,}[ ]*$/', $Line['text'] ) ) {
				$Block = array(
					'element' => array(
						'name' => 'hr'
					),
				);

return $Block;
			}
		}

#
		# Setext

protected function blockSetextHeader( $Line, array $Block = null ) {
			if ( ! isset( $Block ) or isset( $Block['type'] ) or isset( $Block['interrupted'] ) ) {
				return;
			}

if ( chop( $Line['text'], $Line['text'][0] ) === '' ) {
				$Block['element']['name'] = $Line['text'][0] === '=' ? 'h1' : 'h2';

return $Block;
			}
		}

#
		# Markup

protected function blockMarkup( $Line ) {
			if ( $this->markupEscaped ) {
				return;
			}

if ( preg_match( '/^<(\w*)(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*(\/)?>/', $Line['text'], $matches ) ) {
				$element = strtolower( $matches[1] );

if ( in_array( $element, $this->textLevelElements ) ) {
					return;
				}

$Block = array(
					'name'   => $matches[1],
					'depth'  => 0,
					'markup' => $Line['text'],
				);

$length = strlen( $matches[0] );

$remainder = substr( $Line['text'], $length );

if ( trim( $remainder ) === '' ) {
					if ( isset( $matches[2] ) or in_array( $matches[1], $this->voidElements ) ) {
						$Block['closed'] = true;

$Block['void'] = true;
					}
				} else {
					if ( isset( $matches[2] ) or in_array( $matches[1], $this->voidElements ) ) {
						return;
					}

if ( preg_match( '/<\/' . $matches[1] . '>[ ]*$/i', $remainder ) ) {
						$Block['closed'] = true;
					}
				}

return $Block;
			}
		}

protected function blockMarkupContinue( $Line, array $Block ) {
			if ( isset( $Block['closed'] ) ) {
				return;
			}

if ( preg_match( '/^<' . $Block['name'] . '(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*>/i', $Line['text'] ) ) # open
			{
				$Block['depth'] ++;
			}

if ( preg_match( '/(.*?)<\/' . $Block['name'] . '>[ ]*$/i', $Line['text'], $matches ) ) # close
			{
				if ( $Block['depth'] > 0 ) {
					$Block['depth'] --;
				} else {
					$Block['closed'] = true;
				}
			}

if ( isset( $Block['interrupted'] ) ) {
				$Block['markup'] .= "\n";

unset( $Block['interrupted'] );
			}

$Block['markup'] .= "\n" . $Line['body'];

return $Block;
		}

#
		# Reference

protected function blockReference( $Line ) {
			if ( preg_match( '/^\[(.+?)\]:[ ]*<?(\S+?)>?(?:[ ]+["\'(](.+)["\')])?[ ]*$/', $Line['text'], $matches ) ) {
				$id = strtolower( $matches[1] );

$Data = array(
					'url'   => $matches[2],
					'title' => null,
				);

if ( isset( $matches[3] ) ) {
					$Data['title'] = $matches[3];
				}

$this->DefinitionData['Reference'][ $id ] = $Data;

$Block = array(
					'hidden' => true,
				);

return $Block;
			}
		}

#
		# Table

protected function blockTable( $Line, array $Block = null ) {
			if ( ! isset( $Block ) or isset( $Block['type'] ) or isset( $Block['interrupted'] ) ) {
				return;
			}

if ( strpos( $Block['element']['text'], '|' ) !== false and chop( $Line['text'], ' -:|' ) === '' ) {
				$alignments = array();

$divider = $Line['text'];

$divider = trim( $divider );
				$divider = trim( $divider, '|' );

$dividerCells = explode( '|', $divider );

foreach ( $dividerCells as $dividerCell ) {
					$dividerCell = trim( $dividerCell );

if ( $dividerCell === '' ) {
						continue;
					}

$alignment = null;

if ( $dividerCell[0] === ':' ) {
						$alignment = 'left';
					}

if ( substr( $dividerCell, - 1 ) === ':' ) {
						$alignment = $alignment === 'left' ? 'center' : 'right';
					}

$alignments [] = $alignment;
				}

# ~

$HeaderElements = array();

$header = $Block['element']['text'];

$header = trim( $header );
				$header = trim( $header, '|' );

$headerCells = explode( '|', $header );

foreach ( $headerCells as $index => $headerCell ) {
					$headerCell = trim( $headerCell );

$HeaderElement = array(
						'name'    => 'th',
						'text'    => $headerCell,
						'handler' => 'line',
					);

if ( isset( $alignments[ $index ] ) ) {
						$alignment = $alignments[ $index ];

$HeaderElement['attributes'] = array(
							'style' => 'text-align: ' . $alignment . ';',
						);
					}

$HeaderElements [] = $HeaderElement;
				}

# ~

$Block = array(
					'alignments' => $alignments,
					'identified' => true,
					'element'    => array(
						'name'    => 'table',
						'handler' => 'elements',
					),
				);

$Block['element']['text'] [] = array(
					'name'    => 'thead',
					'handler' => 'elements',
				);

$Block['element']['text'] [] = array(
					'name'    => 'tbody',
					'handler' => 'elements',
					'text'    => array(),
				);

$Block['element']['text'][0]['text'] [] = array(
					'name'    => 'tr',
					'handler' => 'elements',
					'text'    => $HeaderElements,
				);

return $Block;
			}
		}

protected function blockTableContinue( $Line, array $Block ) {
			if ( isset( $Block['interrupted'] ) ) {
				return;
			}

if ( $Line['text'][0] === '|' or strpos( $Line['text'], '|' ) ) {
				$Elements = array();

$row = $Line['text'];

$row = trim( $row );
				$row = trim( $row, '|' );

preg_match_all( '/(?:(\\\\[|])|[^|`]|`[^`]+`|`)+/', $row, $matches );

foreach ( $matches[0] as $index => $cell ) {
					$cell = trim( $cell );

$Element = array(
						'name'    => 'td',
						'handler' => 'line',
						'text'    => $cell,
					);

if ( isset( $Block['alignments'][ $index ] ) ) {
						$Element['attributes'] = array(
							'style' => 'text-align: ' . $Block['alignments'][ $index ] . ';',
						);
					}

$Elements [] = $Element;
				}

$Element = array(
					'name'    => 'tr',
					'handler' => 'elements',
					'text'    => $Elements,
				);

$Block['element']['text'][1]['text'] [] = $Element;

return $Block;
			}
		}

#
		# ~
		#

protected function paragraph( $Line ) {
			$Block = array(
				'element' => array(
					'name'    => 'p',
					'text'    => $Line['text'],
					'handler' => 'line',
				),
			);

return $Block;
		}

#
		# Inline Elements
		#

protected $InlineTypes = array(
			'"'  => array( 'SpecialCharacter' ),
			'!'  => array( 'Image' ),
			'&'  => array( 'SpecialCharacter' ),
			'*'  => array( 'Emphasis' ),
			':'  => array( 'Url' ),
			'<'  => array( 'UrlTag', 'EmailTag', 'Markup', 'SpecialCharacter' ),
			'>'  => array( 'SpecialCharacter' ),
			'['  => array( 'Link' ),
			'_'  => array( 'Emphasis' ),
			'`'  => array( 'Code' ),
			'~'  => array( 'Strikethrough' ),
			'\\' => array( 'EscapeSequence' ),
		);

# ~

protected $inlineMarkerList = '!"*_&[:<>`~\\';

#
		# ~
		#

public function line( $text ) {
			$markup = '';

# $excerpt is based on the first occurrence of a marker

while ( $excerpt = strpbrk( $text, $this->inlineMarkerList ) ) {
				$marker = $excerpt[0];

$markerPosition = strpos( $text, $marker );

$Excerpt = array( 'text' => $excerpt, 'context' => $text );

foreach ( $this->InlineTypes[ $marker ] as $inlineType ) {
					$Inline = $this->{'inline' . $inlineType}( $Excerpt );

if ( ! isset( $Inline ) ) {
						continue;
					}

# makes sure that the inline belongs to "our" marker

if ( isset( $Inline['position'] ) and $Inline['position'] > $markerPosition ) {
						continue;
					}

# sets a default inline position

if ( ! isset( $Inline['position'] ) ) {
						$Inline['position'] = $markerPosition;
					}

# the text that comes before the inline
					$unmarkedText = substr( $text, 0, $Inline['position'] );

# compile the unmarked text
					$markup .= $this->unmarkedText( $unmarkedText );

# compile the inline
					$markup .= isset( $Inline['markup'] ) ? $Inline['markup'] : $this->element( $Inline['element'] );

# remove the examined text
					$text = substr( $text, $Inline['position'] + $Inline['extent'] );

continue 2;
				}

# the marker does not belong to an inline

$unmarkedText = substr( $text, 0, $markerPosition + 1 );

$markup .= $this->unmarkedText( $unmarkedText );

$text = substr( $text, $markerPosition + 1 );
			}

$markup .= $this->unmarkedText( $text );

return $markup;
		}

#
		# ~
		#

protected function inlineCode( $Excerpt ) {
			$marker = $Excerpt['text'][0];

if ( preg_match( '/^(' . $marker . '+)[ ]*(.+?)[ ]*(?<!' . $marker . ')\1(?!' . $marker . ')/s', $Excerpt['text'], $matches ) ) {
				$text = $matches[2];
				$text = htmlspecialchars( $text, ENT_NOQUOTES, 'UTF-8' );
				$text = preg_replace( "/[ ]*\n/", ' ', $text );

return array(
					'extent'  => strlen( $matches[0] ),
					'element' => array(
						'name' => 'code',
						'text' => $text,
					),
				);
			}
		}

protected function inlineEmailTag( $Excerpt ) {
			if ( strpos( $Excerpt['text'], '>' ) !== false and preg_match( '/^<((mailto:)?\S+?@\S+?)>/i', $Excerpt['text'], $matches ) ) {
				$url = $matches[1];

if ( ! isset( $matches[2] ) ) {
					$url = 'mailto:' . $url;
				}

return array(
					'extent'  => strlen( $matches[0] ),
					'element' => array(
						'name'       => 'a',
						'text'       => $matches[1],
						'attributes' => array(
							'href' => $url,
						),
					),
				);
			}
		}

protected function inlineEmphasis( $Excerpt ) {
			if ( ! isset( $Excerpt['text'][1] ) ) {
				return;
			}

$marker = $Excerpt['text'][0];

if ( $Excerpt['text'][1] === $marker and preg_match( $this->StrongRegex[ $marker ], $Excerpt['text'], $matches ) ) {
				$emphasis = 'strong';
			} elseif ( preg_match( $this->EmRegex[ $marker ], $Excerpt['text'], $matches ) ) {
				$emphasis = 'em';
			} else {
				return;
			}

return array(
				'extent'  => strlen( $matches[0] ),
				'element' => array(
					'name'    => $emphasis,
					'handler' => 'line',
					'text'    => $matches[1],
				),
			);
		}

protected function inlineEscapeSequence( $Excerpt ) {
			if ( isset( $Excerpt['text'][1] ) and in_array( $Excerpt['text'][1], $this->specialCharacters ) ) {
				return array(
					'markup' => $Excerpt['text'][1],
					'extent' => 2,
				);
			}
		}

protected function inlineImage( $Excerpt ) {
			if ( ! isset( $Excerpt['text'][1] ) or $Excerpt['text'][1] !== '[' ) {
				return;
			}

$Excerpt['text'] = substr( $Excerpt['text'], 1 );

$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']['text'],
					),
				),
			);

$Inline['element']['attributes'] += $Link['element']['attributes'];

unset( $Inline['element']['attributes']['href'] );

return $Inline;
		}

protected function inlineLink( $Excerpt ) {
			$Element = array(
				'name'       => 'a',
				'handler'    => 'line',
				'text'       => null,
				'attributes' => array(
					'href'  => null,
					'title' => null,
				),
			);

$extent = 0;

$remainder = $Excerpt['text'];

if ( preg_match( '/\[((?:[^][]++|(?R))*+)\]/', $remainder, $matches ) ) {
				$Element['text'] = $matches[1];

$extent += strlen( $matches[0] );

$remainder = substr( $remainder, $extent );
			} else {
				return;
			}

if ( preg_match( '/^[(]\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['text'];
					$definition = strtolower( $definition );

$extent += strlen( $matches[0] );
				} else {
					$definition = strtolower( $Element['text'] );
				}

if ( ! isset( $this->DefinitionData['Reference'][ $definition ] ) ) {
					return;
				}

$Definition = $this->DefinitionData['Reference'][ $definition ];

$Element['attributes']['href']  = $Definition['url'];
				$Element['attributes']['title'] = $Definition['title'];
			}

$Element['attributes']['href'] = str_replace( array( '&', '<' ), array(
				'&amp;',
				'&lt;'
			), $Element['attributes']['href'] );

return array(
				'extent'  => $extent,
				'element' => $Element,
			);
		}

protected function inlineMarkup( $Excerpt ) {
			if ( $this->markupEscaped or strpos( $Excerpt['text'], '>' ) === false ) {
				return;
			}

if ( $Excerpt['text'][1] === '/' and preg_match( '/^<\/\w*[ ]*>/s', $Excerpt['text'], $matches ) ) {
				return array(
					'markup' => $matches[0],
					'extent' => strlen( $matches[0] ),
				);
			}

if ( $Excerpt['text'][1] === '!' and preg_match( '/^/s', $Excerpt['text'], $matches ) ) {
				return array(
					'markup' => $matches[0],
					'extent' => strlen( $matches[0] ),
				);
			}

if ( $Excerpt['text'][1] !== ' ' and preg_match( '/^<\w*(?:[ ]*' . $this->regexHtmlAttribute . ')*[ ]*\/?>/s', $Excerpt['text'], $matches ) ) {
				return array(
					'markup' => $matches[0],
					'extent' => strlen( $matches[0] ),
				);
			}
		}

protected function inlineSpecialCharacter( $Excerpt ) {
			if ( $Excerpt['text'][0] === '&' and ! preg_match( '/^&#?\w+;/', $Excerpt['text'] ) ) {
				return array(
					'markup' => '&amp;',
					'extent' => 1,
				);
			}

$SpecialCharacter = array( '>' => 'gt', '<' => 'lt', '"' => 'quot' );

if ( isset( $SpecialCharacter[ $Excerpt['text'][0] ] ) ) {
				return array(
					'markup' => '&' . $SpecialCharacter[ $Excerpt['text'][0] ] . ';',
					'extent' => 1,
				);
			}
		}

protected function inlineStrikethrough( $Excerpt ) {
			if ( ! isset( $Excerpt['text'][1] ) ) {
				return;
			}

if ( $Excerpt['text'][1] === '~' and preg_match( '/^~~(?=\S)(.+?)(?<=\S)~~/', $Excerpt['text'], $matches ) ) {
				return array(
					'extent'  => strlen( $matches[0] ),
					'element' => array(
						'name'    => 'del',
						'text'    => $matches[1],
						'handler' => 'line',
					),
				);
			}
		}

protected function inlineUrl( $Excerpt ) {
			if ( $this->urlsLinked !== true or ! isset( $Excerpt['text'][2] ) or $Excerpt['text'][2] !== '/' ) {
				return;
			}

if ( preg_match( '/\bhttps?:[\/]{2}[^\s<]+\b\/*/ui', $Excerpt['context'], $matches, PREG_OFFSET_CAPTURE ) ) {
				$Inline = array(
					'extent'   => strlen( $matches[0][0] ),
					'position' => $matches[0][1],
					'element'  => array(
						'name'       => 'a',
						'text'       => $matches[0][0],
						'attributes' => array(
							'href' => $matches[0][0],
						),
					),
				);

return $Inline;
			}
		}

protected function inlineUrlTag( $Excerpt ) {
			if ( strpos( $Excerpt['text'], '>' ) !== false and preg_match( '/^<(\w+:\/{2}[^ >]+)>/i', $Excerpt['text'], $matches ) ) {
				$url = str_replace( array( '&', '<' ), array( '&amp;', '&lt;' ), $matches[1] );

return array(
					'extent'  => strlen( $matches[0] ),
					'element' => array(
						'name'       => 'a',
						'text'       => $url,
						'attributes' => array(
							'href' => $url,
						),
					),
				);
			}
		}

# ~

protected function unmarkedText( $text ) {
			if ( $this->breaksEnabled ) {
				$text = preg_replace( '/[ ]*\n/', "<br />\n", $text );
			} else {
				$text = preg_replace( '/(?:[ ][ ]+|[ ]*\\\\)\n/', "<br />\n", $text );
				$text = str_replace( " \n", "\n", $text );
			}

return $text;
		}

#
		# Handlers
		#

protected function element( array $Element ) {
			$markup = '<' . $Element['name'];

if ( isset( $Element['attributes'] ) ) {
				foreach ( $Element['attributes'] as $name => $value ) {
					if ( $value === null ) {
						continue;
					}

$markup .= ' ' . $name . '="' . $value . '"';
				}
			}

if ( isset( $Element['text'] ) ) {
				$markup .= '>';

if ( isset( $Element['handler'] ) ) {
					$markup .= $this->{$Element['handler']}( $Element['text'] );
				} else {
					$markup .= $Element['text'];
				}

$markup .= '</' . $Element['name'] . '>';
			} else {
				$markup .= ' />';
			}

return $markup;
		}

protected function elements( array $Elements ) {
			$markup = '';

foreach ( $Elements as $Element ) {
				$markup .= "\n" . $this->element( $Element );
			}

$markup .= "\n";

return $markup;
		}

# ~

protected function li( $lines ) {
			$markup = $this->lines( $lines );

$trimmedMarkup = trim( $markup );

if ( ! in_array( '', $lines ) and substr( $trimmedMarkup, 0, 3 ) === '<p>' ) {
				$markup = $trimmedMarkup;
				$markup = substr( $markup, 3 );

$position = strpos( $markup, "</p>" );

$markup = substr_replace( $markup, '', $position, 4 );
			}

return $markup;
		}

#
		# Deprecated Methods
		#

function parse( $text ) {
			$markup = $this->text( $text );

return $markup;
		}

#
		# Static Methods
		#

static function instance( $name = 'default' ) {
			if ( isset( self::$instances[ $name ] ) ) {
				return self::$instances[ $name ];
			}

$instance = new static();

self::$instances[ $name ] = $instance;

return $instance;
		}

private static $instances = array();

#
		# Fields
		#

protected $DefinitionData;

#
		# Read-Only

protected $specialCharacters = array(
			'\\',
			'`',
			'*',
			'_',
			'{',
			'}',
			'[',
			']',
			'(',
			')',
			'>',
			'#',
			'+',
			'-',
			'.',
			'!',
			'|',
		);

protected $StrongRegex = array(
			'*' => '/^[*]{2}((?:\\\\\*|[^*]|[*][^*]*[*])+?)[*]{2}(?![*])/s',
			'_' => '/^__((?:\\\\_|[^_]|_[^_]*_)+?)__(?!_)/us',
		);

protected $EmRegex = array(
			'*' => '/^[*]((?:\\\\\*|[^*]|[*][*][^*]+?[*][*])+?)[*](?![*])/s',
			'_' => '/^_((?:\\\\_|[^_]|__[^_]*__)+?)_(?!_)\b/us',
		);

protected $regexHtmlAttribute = '[a-zA-Z_:][\w:.-]*(?:\s*=\s*(?:[^"\'=<>`\s]+|"[^"]*"|\'[^\']*\'))?';

protected $voidElements = array(
			'area',
			'base',
			'br',
			'col',
			'command',
			'embed',
			'hr',
			'img',
			'input',
			'link',
			'meta',
			'param',
			'source',
		);

protected $textLevelElements = array(
			'a',
			'br',
			'bdo',
			'abbr',
			'blink',
			'nextid',
			'acronym',
			'basefont',
			'b',
			'em',
			'big',
			'cite',
			'small',
			'spacer',
			'listing',
			'i',
			'rp',
			'del',
			'code',
			'strike',
			'marquee',
			'q',
			'rt',
			'ins',
			'font',
			'strong',
			's',
			'tt',
			'kbd',
			'mark',
			'u',
			'xm',
			'sub',
			'nobr',
			'sup',
			'ruby',
			'var',
			'span',
			'wbr',
			'time',
		);
	}
}