includes/wikiengine/Tables.php
author Dan
Sat, 08 Sep 2007 14:04:15 -0400
changeset 126 cfa4ae0830cf
parent 73 0a74676a2f2f
child 142 ca9118d9c0f2
permissions -rw-r--r--
Merging Nighthawk and Scribus repositories
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<?php
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/**
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 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
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0a74676a2f2f Made the move to Loch Ness, and got some basic page grouping functionality working. TODO: fix some UI issues in Javascript ACL editor and change non-JS ACL editor to work with page groups too
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 * Version 1.0.1 (Loch Ness)
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 * Copyright (C) 2006-2007 Dan Fuhry
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 *
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 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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 *
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 * This script contains code originally found in MediaWiki (http://www.mediawiki.org). MediaWiki is also licensed under
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 * the GPLv2; see the file GPL included with this package for details.
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 *
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 * We're using the MW parser because the Text_Wiki version simply refused to work under PHP 5.2.0. Porting this was
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 * _not_ easy. <leaves to get cup of coffee>
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 */
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  global $mStripState, $wgRandomKey;
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  $mStripState = Array();
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  $attrib = '[a-zA-Z0-9]';
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  $space = '[\x09\x0a\x0d\x20]';
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  define( 'MW_CHAR_REFS_REGEX',
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	'/&([A-Za-z0-9]+);
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	 |&\#([0-9]+);
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	 |&\#x([0-9A-Za-z]+);
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	 |&\#X([0-9A-Za-z]+);
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	 |(&)/x' );
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  define( 'MW_ATTRIBS_REGEX',
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    "/(?:^|$space)($attrib+)
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      ($space*=$space*
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      (?:
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       # The attribute value: quoted or alone
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        ".'"'."([^<".'"'."]*)".'"'."
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       | '([^<']*)'
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       |  ([a-zA-Z0-9!#$%&()*,\\-.\\/:;<>?@[\\]^_`{|}~]+)
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       |  (\#[0-9a-fA-F]+) # Technically wrong, but lots of
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                 # colors are specified like this.
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                 # We'll be normalizing it.
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      )
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       )?(?=$space|\$)/sx" );
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  /**
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   * emulate mediawiki parser, including stripping, etc.
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   *
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   * @param string $text the text to parse
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   * @return string
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   * @access public
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   */
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  function process_tables( $text )
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  {
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    // include some globals, do some parser stuff that would normally be done in the parent parser function
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    global $mStripState;
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    $x =& $mStripState;
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		//$text = mwStrip( $text, $x );
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    // parse the text
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    $text = doTableStuff($text);
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    // Unstrip it
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    // $text = unstrip( $text, $mStripState );
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    // $text = unstripNoWiki( $text, $mStripState );
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    //die('<pre>'.print_r($mStripState, true).'</pre>');
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    return $text;
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  }
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  /**
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	 * parse the wiki syntax used to render tables
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	 *
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   * @param string $t the text to parse
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   * @return string
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	 * @access private
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	 */
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	function doTableStuff( $t ) {
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		$t = explode ( "\n" , $t ) ;
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		$td = array () ; # Is currently a td tag open?
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		$ltd = array () ; # Was it TD or TH?
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		$tr = array () ; # Is currently a tr tag open?
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		$ltr = array () ; # tr attributes
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		$has_opened_tr = array(); # Did this table open a <tr> element?
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		$indent_level = 0; # indent level of the table
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		foreach ( $t AS $k => $x )
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		{
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			$x = trim ( $x ) ;
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			$fc = substr ( $x , 0 , 1 ) ;
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			if ( preg_match( '/^(:*)\{\|(.*)$/', $x, $matches ) ) {
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				$indent_level = strlen( $matches[1] );
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				$attributes = unstripForHTML( $matches[2] );
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				$t[$k] = str_repeat( '<dl><dd>', $indent_level ) .
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					'<nowiki><table' . fixTagAttributes( $attributes, 'table' ) . '></nowiki>' ;
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				array_push ( $td , false ) ;
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				array_push ( $ltd , '' ) ;
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				array_push ( $tr , false ) ;
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				array_push ( $ltr , '' ) ;
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				array_push ( $has_opened_tr, false );
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			}
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			else if ( count ( $td ) == 0 ) { } # Don't do any of the following
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			else if ( '|}' == substr ( $x , 0 , 2 ) ) {
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				$z = "<nowiki></table></nowiki>" . substr ( $x , 2);
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				$l = array_pop ( $ltd ) ;
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				if ( !array_pop ( $has_opened_tr ) ) $z = "<nowiki><tr><td></td></tr></nowiki>" . $z ;
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				if ( array_pop ( $tr ) ) $z = '<nowiki></tr></nowiki>' . $z ;
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				if ( array_pop ( $td ) ) $z = '<nowiki></'.$l.'></nowiki>' . $z ;
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				array_pop ( $ltr ) ;
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				$t[$k] = $z . str_repeat( '<nowiki></dd></dl></nowiki>', $indent_level );
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			}
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			else if ( '|-' == substr ( $x , 0 , 2 ) ) { # Allows for |---------------
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				$x = substr ( $x , 1 ) ;
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				while ( $x != '' && substr ( $x , 0 , 1 ) == '-' ) $x = substr ( $x , 1 ) ;
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				$z = '' ;
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				$l = array_pop ( $ltd ) ;
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				array_pop ( $has_opened_tr );
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				array_push ( $has_opened_tr , true ) ;
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				if ( array_pop ( $tr ) ) $z = '<nowiki></tr></nowiki>' . $z ;
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				if ( array_pop ( $td ) ) $z = '<nowiki></'.$l.'></nowiki>' . $z ;
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				array_pop ( $ltr ) ;
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				$t[$k] = $z ;
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				array_push ( $tr , false ) ;
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				array_push ( $td , false ) ;
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				array_push ( $ltd , '' ) ;
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				$attributes = unstripForHTML( $x );
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				array_push ( $ltr , fixTagAttributes( $attributes, 'tr' ) ) ;
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			}
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			else if ( '|' == $fc || '!' == $fc || '|+' == substr ( $x , 0 , 2 ) ) { # Caption
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				# $x is a table row
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				if ( '|+' == substr ( $x , 0 , 2 ) ) {
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					$fc = '+' ;
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					$x = substr ( $x , 1 ) ;
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				}
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				$after = substr ( $x , 1 ) ;
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				if ( $fc == '!' ) $after = str_replace ( '!!' , '||' , $after ) ;
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				// Split up multiple cells on the same line.
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				// FIXME: This can result in improper nesting of tags processed
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				// by earlier parser steps, but should avoid splitting up eg
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				// attribute values containing literal "||".
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				$after = wfExplodeMarkup( '||', $after );
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				$t[$k] = '' ;
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				# Loop through each table cell
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				foreach ( $after AS $theline )
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				{
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					$z = '' ;
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					if ( $fc != '+' )
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					{
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						$tra = array_pop ( $ltr ) ;
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						if ( !array_pop ( $tr ) ) $z = '<nowiki><tr'.$tra."></nowiki>\n" ;
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						array_push ( $tr , true ) ;
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						array_push ( $ltr , '' ) ;
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						array_pop ( $has_opened_tr );
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						array_push ( $has_opened_tr , true ) ;
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					}
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					$l = array_pop ( $ltd ) ;
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					if ( array_pop ( $td ) ) $z = '<nowiki></'.$l.'></nowiki>' . $z ;
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					if ( $fc == '|' ) $l = 'td' ;
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					else if ( $fc == '!' ) $l = 'th' ;
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					else if ( $fc == '+' ) $l = 'caption' ;
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					else $l = '' ;
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					array_push ( $ltd , $l ) ;
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					# Cell parameters
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					$y = explode ( '|' , $theline , 2 ) ;
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					# Note that a '|' inside an invalid link should not
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					# be mistaken as delimiting cell parameters
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					if ( strpos( $y[0], '[[' ) !== false ) {
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						$y = array ($theline);
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					}
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					if ( count ( $y ) == 1 )
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						$y = "{$z}<nowiki><{$l}></nowiki>{$y[0]}" ;
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					else {
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						$attributes = unstripForHTML( $y[0] );
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						$y = "{$z}<nowiki><{$l}".fixTagAttributes($attributes, $l)."></nowiki>{$y[1]}" ;
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					}
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					$t[$k] .= $y ;
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					array_push ( $td , true ) ;
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				}
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			}
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		}
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		# Closing open td, tr && table
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		while ( count ( $td ) > 0 )
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		{
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			$l = array_pop ( $ltd ) ;
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			if ( array_pop ( $td ) ) $t[] = '<nowiki></td></nowiki>' ;
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			if ( array_pop ( $tr ) ) $t[] = '<nowiki></tr></nowiki>' ;
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			if ( !array_pop ( $has_opened_tr ) ) $t[] = "<nowiki><tr><td></td></tr></nowiki>" ;
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			$t[] = '<nowiki></table></nowiki>' ;
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		}
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		$t = implode ( "\n" , $t ) ;
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		# special case: don't return empty table
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		if($t == "<nowiki><table></nowiki>\n<nowiki><tr><td></td></tr></nowiki>\n<nowiki></table></nowiki>")
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			$t = '';
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		return $t ;
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	}
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  /**
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	 * Take a tag soup fragment listing an HTML element's attributes
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	 * and normalize it to well-formed XML, discarding unwanted attributes.
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	 * Output is safe for further wikitext processing, with escaping of
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	 * values that could trigger problems.
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	 *
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	 * - Normalizes attribute names to lowercase
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	 * - Discards attributes not on a whitelist for the given element
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	 * - Turns broken or invalid entities into plaintext
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	 * - Double-quotes all attribute values
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	 * - Attributes without values are given the name as attribute
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	 * - Double attributes are discarded
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	 * - Unsafe style attributes are discarded
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	 * - Prepends space if there are attributes.
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	 *
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	 * @param string $text
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	 * @param string $element
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	 * @return string
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	 */
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	function fixTagAttributes( $text, $element ) {
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		if( trim( $text ) == '' ) {
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			return '';
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		}
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		$stripped = validateTagAttributes(
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			decodeTagAttributes( $text ), $element );
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		$attribs = array();
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		foreach( $stripped as $attribute => $value ) {
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			$encAttribute = htmlspecialchars( $attribute );
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			$encValue = safeEncodeAttribute( $value );
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			$attribs[] = "$encAttribute=".'"'."$encValue".'"'.""; // "
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		}
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		return count( $attribs ) ? ' ' . implode( ' ', $attribs ) : '';
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	}
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  /**
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	 * Encode an attribute value for HTML tags, with extra armoring
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	 * against further wiki processing.
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	 * @param $text
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	 * @return HTML-encoded text fragment
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	 */
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	function safeEncodeAttribute( $text ) {
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		$encValue= encodeAttribute( $text );
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		# Templates and links may be expanded in later parsing,
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		# creating invalid or dangerous output. Suppress this.
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		$encValue = strtr( $encValue, array(
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			'<'    => '&lt;',   // This should never happen,
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			'>'    => '&gt;',   // we've received invalid input
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			'"'    => '&quot;', // which should have been escaped.
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			'{'    => '&#123;',
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			'['    => '&#91;',
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			"''"   => '&#39;&#39;',
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			'ISBN' => '&#73;SBN',
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			'RFC'  => '&#82;FC',
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			'PMID' => '&#80;MID',
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			'|'    => '&#124;',
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			'__'   => '&#95;_',
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		) );
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		return $encValue;
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	}
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  /**
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	 * Encode an attribute value for HTML output.
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	 * @param $text
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	 * @return HTML-encoded text fragment
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	 */
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	function encodeAttribute( $text ) {
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		$encValue = htmlspecialchars( $text );
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		// Whitespace is normalized during attribute decoding,
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		// so if we've been passed non-spaces we must encode them
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		// ahead of time or they won't be preserved.
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		$encValue = strtr( $encValue, array(
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			"\n" => '&#10;',
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			"\r" => '&#13;',
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			"\t" => '&#9;',
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		) );
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		return $encValue;
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	}
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  function unstripForHTML( $text ) {
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    global $mStripState;
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		$text = unstrip( $text, $mStripState );
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		$text = unstripNoWiki( $text, $mStripState );
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		return $text;
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	}
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  /**
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	 * Always call this after unstrip() to preserve the order
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	 *
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	 * @private
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	 */
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	function unstripNoWiki( $text, &$state ) {
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		if ( !isset( $state['nowiki'] ) ) {
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			return $text;
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		}
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		# TODO: good candidate for FSS
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		$text = strtr( $text, $state['nowiki'] );
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		return $text;
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	}
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  /**
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	 * Take an array of attribute names and values and normalize or discard
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	 * illegal values for the given element type.
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	 *
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	 * - Discards attributes not on a whitelist for the given element
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	 * - Unsafe style attributes are discarded
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	 *
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	 * @param array $attribs
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	 * @param string $element
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	 * @return array
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	 *
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	 * @todo Check for legal values where the DTD limits things.
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	 * @todo Check for unique id attribute :P
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	 */
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	function validateTagAttributes( $attribs, $element ) {
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		$whitelist = array_flip( attributeWhitelist( $element ) );
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		$out = array();
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		foreach( $attribs as $attribute => $value ) {
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			if( !isset( $whitelist[$attribute] ) ) {
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				continue;
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			}
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			# Strip javascript "expression" from stylesheets.
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			# http://msdn.microsoft.com/workshop/author/dhtml/overview/recalc.asp
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			if( $attribute == 'style' ) {
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				$value = checkCss( $value );
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				if( $value === false ) {
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					# haxx0r
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					continue;
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   345
				}
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			}
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			if ( $attribute === 'id' )
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				$value = escapeId( $value );
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			// If this attribute was previously set, override it.
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			// Output should only have one attribute of each name.
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			$out[$attribute] = $value;
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   354
		}
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   355
		return $out;
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diff changeset
   356
	}
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   357
  
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   358
  /**
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   359
	 * Pick apart some CSS and check it for forbidden or unsafe structures.
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	 * Returns a sanitized string, or false if it was just too evil.
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   361
	 *
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   362
	 * Currently URL references, 'expression', 'tps' are forbidden.
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   363
	 *
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   364
	 * @param string $value
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   365
	 * @return mixed
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diff changeset
   366
	 */
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   367
	function checkCss( $value ) {
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		$stripped = decodeCharReferences( $value );
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diff changeset
   369
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		// Remove any comments; IE gets token splitting wrong
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   371
		$stripped = preg_replace( '!/\\*.*?\\*/!S', '', $stripped );
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   372
		$value = $stripped;
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   373
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   374
		// ... and continue checks
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   375
		$stripped = preg_replace( '!\\\\([0-9A-Fa-f]{1,6})[ \\n\\r\\t\\f]?!e',
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   376
			'codepointToUtf8(hexdec("$1"))', $stripped );
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   377
		$stripped = str_replace( '\\', '', $stripped );
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diff changeset
   378
		if( preg_match( '/(expression|tps*:\/\/|url\\s*\().*/is',
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parents:
diff changeset
   379
				$stripped ) ) {
fe660c52c48f Adding /includes
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parents:
diff changeset
   380
			# haxx0r
fe660c52c48f Adding /includes
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parents:
diff changeset
   381
			return false;
fe660c52c48f Adding /includes
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parents:
diff changeset
   382
		}
fe660c52c48f Adding /includes
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parents:
diff changeset
   383
		
fe660c52c48f Adding /includes
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parents:
diff changeset
   384
		return $value;
fe660c52c48f Adding /includes
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parents:
diff changeset
   385
	}
fe660c52c48f Adding /includes
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parents:
diff changeset
   386
  
fe660c52c48f Adding /includes
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parents:
diff changeset
   387
  /**
fe660c52c48f Adding /includes
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parents:
diff changeset
   388
	 * Decode any character references, numeric or named entities,
fe660c52c48f Adding /includes
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parents:
diff changeset
   389
	 * in the text and return a UTF-8 string.
fe660c52c48f Adding /includes
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parents:
diff changeset
   390
	 *
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parents:
diff changeset
   391
	 * @param string $text
fe660c52c48f Adding /includes
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parents:
diff changeset
   392
	 * @return string
fe660c52c48f Adding /includes
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parents:
diff changeset
   393
	 * @access public
fe660c52c48f Adding /includes
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parents:
diff changeset
   394
	 * @static
fe660c52c48f Adding /includes
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parents:
diff changeset
   395
	 */
fe660c52c48f Adding /includes
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parents:
diff changeset
   396
	function decodeCharReferences( $text ) {
fe660c52c48f Adding /includes
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parents:
diff changeset
   397
		return preg_replace_callback(
fe660c52c48f Adding /includes
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parents:
diff changeset
   398
			MW_CHAR_REFS_REGEX,
fe660c52c48f Adding /includes
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parents:
diff changeset
   399
			'decodeCharReferencesCallback',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   400
			$text );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   401
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   402
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   403
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   404
	 * Fetch the whitelist of acceptable attributes for a given
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   405
	 * element name.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   406
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   407
	 * @param string $element
fe660c52c48f Adding /includes
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parents:
diff changeset
   408
	 * @return array
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   409
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   410
	function attributeWhitelist( $element ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   411
		static $list;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   412
		if( !isset( $list ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   413
			$list = setupAttributeWhitelist();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   414
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   415
		return isset( $list[$element] )
fe660c52c48f Adding /includes
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parents:
diff changeset
   416
			? $list[$element]
fe660c52c48f Adding /includes
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parents:
diff changeset
   417
			: array();
fe660c52c48f Adding /includes
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parents:
diff changeset
   418
	}
fe660c52c48f Adding /includes
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parents:
diff changeset
   419
  
fe660c52c48f Adding /includes
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parents:
diff changeset
   420
  /**
fe660c52c48f Adding /includes
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parents:
diff changeset
   421
	 * @todo Document it a bit
fe660c52c48f Adding /includes
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parents:
diff changeset
   422
	 * @return array
fe660c52c48f Adding /includes
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parents:
diff changeset
   423
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   424
	function setupAttributeWhitelist() {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   425
		$common = array( 'id', 'class', 'lang', 'dir', 'title', 'style' );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   426
		$block = array_merge( $common, array( 'align' ) );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   427
		$tablealign = array( 'align', 'char', 'charoff', 'valign' );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   428
		$tablecell = array( 'abbr',
fe660c52c48f Adding /includes
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parents:
diff changeset
   429
		                    'axis',
fe660c52c48f Adding /includes
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parents:
diff changeset
   430
		                    'headers',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   431
		                    'scope',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   432
		                    'rowspan',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   433
		                    'colspan',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   434
		                    'nowrap', # deprecated
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   435
		                    'width',  # deprecated
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   436
		                    'height', # deprecated
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   437
		                    'bgcolor' # deprecated
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   438
		                    );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   439
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   440
		# Numbers refer to sections in HTML 4.01 standard describing the element.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   441
		# See: http://www.w3.org/TR/html4/
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   442
		$whitelist = array (
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   443
			# 7.5.4
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   444
			'div'        => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   445
			'center'     => $common, # deprecated
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   446
			'span'       => $block, # ??
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   447
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   448
			# 7.5.5
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   449
			'h1'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   450
			'h2'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   451
			'h3'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   452
			'h4'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   453
			'h5'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   454
			'h6'         => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   455
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   456
			# 7.5.6
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   457
			# address
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   458
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   459
			# 8.2.4
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   460
			# bdo
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   461
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   462
			# 9.2.1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   463
			'em'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   464
			'strong'     => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   465
			'cite'       => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   466
			# dfn
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   467
			'code'       => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   468
			# samp
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   469
			# kbd
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   470
			'var'        => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   471
			# abbr
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   472
			# acronym
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   473
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   474
			# 9.2.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   475
			'blockquote' => array_merge( $common, array( 'cite' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   476
			# q
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   477
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   478
			# 9.2.3
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   479
			'sub'        => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   480
			'sup'        => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   481
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   482
			# 9.3.1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   483
			'p'          => $block,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   484
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   485
			# 9.3.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   486
			'br'         => array( 'id', 'class', 'title', 'style', 'clear' ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   487
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   488
			# 9.3.4
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   489
			'pre'        => array_merge( $common, array( 'width' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   490
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   491
			# 9.4
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   492
			'ins'        => array_merge( $common, array( 'cite', 'datetime' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   493
			'del'        => array_merge( $common, array( 'cite', 'datetime' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   494
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   495
			# 10.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   496
			'ul'         => array_merge( $common, array( 'type' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   497
			'ol'         => array_merge( $common, array( 'type', 'start' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   498
			'li'         => array_merge( $common, array( 'type', 'value' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   499
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   500
			# 10.3
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   501
			'dl'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   502
			'dd'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   503
			'dt'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   504
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   505
			# 11.2.1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   506
			'table'      => array_merge( $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   507
								array( 'summary', 'width', 'border', 'frame',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   508
										'rules', 'cellspacing', 'cellpadding',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   509
										'align', 'bgcolor',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   510
								) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   511
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   512
			# 11.2.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   513
			'caption'    => array_merge( $common, array( 'align' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   514
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   515
			# 11.2.3
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   516
			'thead'      => array_merge( $common, $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   517
			'tfoot'      => array_merge( $common, $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   518
			'tbody'      => array_merge( $common, $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   519
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   520
			# 11.2.4
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   521
			'colgroup'   => array_merge( $common, array( 'span', 'width' ), $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   522
			'col'        => array_merge( $common, array( 'span', 'width' ), $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   523
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   524
			# 11.2.5
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   525
			'tr'         => array_merge( $common, array( 'bgcolor' ), $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   526
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   527
			# 11.2.6
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   528
			'td'         => array_merge( $common, $tablecell, $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   529
			'th'         => array_merge( $common, $tablecell, $tablealign ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   530
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   531
      # 12.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   532
      # added by dan
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   533
      'a'          => array_merge( $common, array( 'href', 'name' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   534
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   535
      # 13.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   536
      # added by dan
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   537
      'img'        => array_merge( $common, array( 'src', 'width', 'height', 'alt' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   538
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   539
			# 15.2.1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   540
			'tt'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   541
			'b'          => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   542
			'i'          => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   543
			'big'        => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   544
			'small'      => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   545
			'strike'     => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   546
			's'          => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   547
			'u'          => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   548
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   549
			# 15.2.2
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   550
			'font'       => array_merge( $common, array( 'size', 'color', 'face' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   551
			# basefont
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   552
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   553
			# 15.3
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   554
			'hr'         => array_merge( $common, array( 'noshade', 'size', 'width' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   555
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   556
			# XHTML Ruby annotation text module, simple ruby only.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   557
			# http://www.w3c.org/TR/ruby/
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   558
			'ruby'       => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   559
			# rbc
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   560
			# rtc
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   561
			'rb'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   562
			'rt'         => $common, #array_merge( $common, array( 'rbspan' ) ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   563
			'rp'         => $common,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   564
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   565
      # For compatibility with the XHTML parser.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   566
      'nowiki'     => array(),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   567
      'noinclude'  => array(),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   568
      'nodisplay'  => array(),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   569
      
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   570
      # XHTML stuff
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   571
      'acronym'    => $common
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   572
			);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   573
		return $whitelist;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   574
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   575
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   576
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   577
	 * Given a value escape it so that it can be used in an id attribute and
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   578
	 * return it, this does not validate the value however (see first link)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   579
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   580
	 * @link http://www.w3.org/TR/html401/types.html#type-name Valid characters
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   581
	 *                                                          in the id and
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   582
	 *                                                          name attributes
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   583
	 * @link http://www.w3.org/TR/html401/struct/links.html#h-12.2.3 Anchors with the id attribute
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   584
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   585
	 * @bug 4461
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   586
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   587
	 * @static
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   588
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   589
	 * @param string $id
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   590
	 * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   591
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   592
	function escapeId( $id ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   593
		static $replace = array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   594
			'%3A' => ':',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   595
			'%' => '.'
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   596
		);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   597
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   598
		$id = urlencode( decodeCharReferences( strtr( $id, ' ', '_' ) ) );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   599
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   600
		return str_replace( array_keys( $replace ), array_values( $replace ), $id );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   601
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   602
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   603
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   604
   * More or less "markup-safe" explode()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   605
   * Ignores any instances of the separator inside <...>
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   606
   * @param string $separator
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   607
   * @param string $text
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   608
   * @return array
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   609
   */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   610
  function wfExplodeMarkup( $separator, $text ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   611
    $placeholder = "\x00";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   612
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   613
    // Just in case...
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   614
    $text = str_replace( $placeholder, '', $text );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   615
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   616
    // Trim stuff
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   617
    $replacer = new ReplacerCallback( $separator, $placeholder );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   618
    $cleaned = preg_replace_callback( '/(<.*?>)/', array( $replacer, 'go' ), $text );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   619
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   620
    $items = explode( $separator, $cleaned );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   621
    foreach( $items as $i => $str ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   622
      $items[$i] = str_replace( $placeholder, $separator, $str );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   623
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   624
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   625
    return $items;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   626
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   627
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   628
  class ReplacerCallback {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   629
    function ReplacerCallback( $from, $to ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   630
      $this->from = $from;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   631
      $this->to = $to;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   632
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   633
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   634
    function go( $matches ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   635
      return str_replace( $this->from, $this->to, $matches[1] );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   636
    }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   637
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   638
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   639
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   640
	 * Return an associative array of attribute names and values from
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   641
	 * a partial tag string. Attribute names are forces to lowercase,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   642
	 * character references are decoded to UTF-8 text.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   643
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   644
	 * @param string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   645
	 * @return array
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   646
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   647
	function decodeTagAttributes( $text ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   648
		$attribs = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   649
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   650
		if( trim( $text ) == '' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   651
			return $attribs;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   652
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   653
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   654
		$pairs = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   655
		if( !preg_match_all(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   656
			MW_ATTRIBS_REGEX,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   657
			$text,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   658
			$pairs,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   659
			PREG_SET_ORDER ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   660
			return $attribs;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   661
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   662
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   663
		foreach( $pairs as $set ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   664
			$attribute = strtolower( $set[1] );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   665
			$value = getTagAttributeCallback( $set );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   666
			
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   667
			// Normalize whitespace
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   668
			$value = preg_replace( '/[\t\r\n ]+/', ' ', $value );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   669
			$value = trim( $value );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   670
			
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   671
			// Decode character references
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   672
			$attribs[$attribute] = decodeCharReferences( $value );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   673
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   674
		return $attribs;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   675
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   676
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   677
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   678
	 * Pick the appropriate attribute value from a match set from the
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   679
	 * MW_ATTRIBS_REGEX matches.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   680
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   681
	 * @param array $set
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   682
	 * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   683
	 * @access private
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   684
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   685
	function getTagAttributeCallback( $set ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   686
		if( isset( $set[6] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   687
			# Illegal #XXXXXX color with no quotes.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   688
			return $set[6];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   689
		} elseif( isset( $set[5] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   690
			# No quotes.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   691
			return $set[5];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   692
		} elseif( isset( $set[4] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   693
			# Single-quoted
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   694
			return $set[4];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   695
		} elseif( isset( $set[3] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   696
			# Double-quoted
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   697
			return $set[3];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   698
		} elseif( !isset( $set[2] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   699
			# In XHTML, attributes must have a value.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   700
			# For 'reduced' form, return explicitly the attribute name here.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   701
			return $set[1];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   702
		} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   703
			die_friendly('Parser error', "<p>Tag conditions not met. This should never happen and is a bug.</p>" );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   704
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   705
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   706
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   707
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   708
	 * Strips and renders nowiki, pre, math, hiero
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   709
	 * If $render is set, performs necessary rendering operations on plugins
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   710
	 * Returns the text, and fills an array with data needed in unstrip()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   711
	 * If the $state is already a valid strip state, it adds to the state
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   712
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   713
	 * @param bool $stripcomments when set, HTML comments <!-- like this -->
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   714
	 *  will be stripped in addition to other tags. This is important
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   715
	 *  for section editing, where these comments cause confusion when
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   716
	 *  counting the sections in the wikisource
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   717
	 * 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   718
	 * @param array dontstrip contains tags which should not be stripped;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   719
	 *  used to prevent stipping of <gallery> when saving (fixes bug 2700)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   720
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   721
	 * @access private
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   722
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   723
	function mwStrip( $text, &$state, $stripcomments = false , $dontstrip = array () ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   724
    global $wgRandomKey;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   725
		$render = true;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   726
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   727
		$wgRandomKey = "\x07UNIQ" . dechex(mt_rand(0, 0x7fffffff)) . dechex(mt_rand(0, 0x7fffffff));
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   728
    $uniq_prefix =& $wgRandomKey;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   729
		$commentState = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   730
		
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   731
		$elements = array( 'nowiki', 'gallery' );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   732
		
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   733
    # Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   734
		foreach ( $elements AS $k => $v ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   735
			if ( !in_array ( $v , $dontstrip ) ) continue;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   736
			unset ( $elements[$k] );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   737
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   738
		
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   739
		$matches = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   740
		$text = extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   741
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   742
		foreach( $matches as $marker => $data ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   743
			list( $element, $content, $params, $tag ) = $data;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   744
			if( $render ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   745
				$tagName = strtolower( $element );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   746
				switch( $tagName ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   747
				case '!--':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   748
					// Comment
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   749
					if( substr( $tag, -3 ) == '-->' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   750
						$output = $tag;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   751
					} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   752
						// Unclosed comment in input.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   753
						// Close it so later stripping can remove it
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   754
						$output = "$tag-->";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   755
					}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   756
					break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   757
				case 'html':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   758
					if( $wgRawHtml ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   759
						$output = $content;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   760
						break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   761
					}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   762
					// Shouldn't happen otherwise. :)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   763
				case 'nowiki':
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   764
					$output = wfEscapeHTMLTagsOnly( $content );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   765
					break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   766
				default:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   767
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   768
			} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   769
				// Just stripping tags; keep the source
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   770
				$output = $tag;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   771
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   772
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   773
			// Unstrip the output, because unstrip() is no longer recursive so 
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   774
			// it won't do it itself
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   775
			$output = unstrip( $output, $state );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   776
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   777
			if( !$stripcomments && $element == '!--' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   778
				$commentState[$marker] = $output;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   779
			} elseif ( $element == 'html' || $element == 'nowiki' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   780
				$state['nowiki'][$marker] = $output;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   781
			} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   782
				$state['general'][$marker] = $output;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   783
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   784
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   785
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   786
		# Unstrip comments unless explicitly told otherwise.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   787
		# (The comments are always stripped prior to this point, so as to
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   788
		# not invoke any extension tags / parser hooks contained within
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   789
		# a comment.)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   790
		if ( !$stripcomments ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   791
			// Put them all back and forget them
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   792
			$text = strtr( $text, $commentState );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   793
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   794
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   795
		return $text;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   796
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   797
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   798
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   799
	 * Replaces all occurrences of HTML-style comments and the given tags
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   800
	 * in the text with a random marker and returns teh next text. The output
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   801
	 * parameter $matches will be an associative array filled with data in
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   802
	 * the form:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   803
	 *   'UNIQ-xxxxx' => array(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   804
	 *     'element',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   805
	 *     'tag content',
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   806
	 *     array( 'param' => 'x' ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   807
	 *     '<element param="x">tag content</element>' ) )
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   808
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   809
	 * @param $elements list of element names. Comments are always extracted.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   810
	 * @param $text Source text string.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   811
	 * @param $uniq_prefix
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   812
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   813
	 * @access private
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   814
	 * @static
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   815
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   816
	function extractTagsAndParams($elements, $text, &$matches, $uniq_prefix = ''){
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   817
		static $n = 1;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   818
		$stripped = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   819
		$matches = array();
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   820
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   821
		$taglist = implode( '|', $elements );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   822
		$start = "/<($taglist)(\\s+[^>]*?|\\s*?)(\/?>)|<(!--)/i";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   823
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   824
		while ( '' != $text ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   825
			$p = preg_split( $start, $text, 2, PREG_SPLIT_DELIM_CAPTURE );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   826
			$stripped .= $p[0];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   827
			if( count( $p ) < 5 ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   828
				break;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   829
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   830
			if( count( $p ) > 5 ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   831
				// comment
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   832
				$element    = $p[4];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   833
				$attributes = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   834
				$close      = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   835
				$inside     = $p[5];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   836
			} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   837
				// tag
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   838
				$element    = $p[1];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   839
				$attributes = $p[2];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   840
				$close      = $p[3];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   841
				$inside     = $p[4];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   842
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   843
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   844
			$marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . '-QINU';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   845
			$stripped .= $marker;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   846
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   847
			if ( $close === '/>' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   848
				// Empty element tag, <tag />
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   849
				$content = null;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   850
				$text = $inside;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   851
				$tail = null;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   852
			} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   853
				if( $element == '!--' ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   854
					$end = '/(-->)/';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   855
				} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   856
					$end = "/(<\\/$element\\s*>)/i";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   857
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   858
				$q = preg_split( $end, $inside, 2, PREG_SPLIT_DELIM_CAPTURE );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   859
				$content = $q[0];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   860
				if( count( $q ) < 3 ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   861
					# No end tag -- let it run out to the end of the text.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   862
					$tail = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   863
					$text = '';
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   864
				} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   865
					$tail = $q[1];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   866
					$text = $q[2];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   867
				}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   868
			}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   869
			
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   870
			$matches[$marker] = array( $element,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   871
				$content,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   872
				decodeTagAttributes( $attributes ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   873
				"<$element$attributes$close$content$tail" );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   874
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   875
		return $stripped;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   876
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   877
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   878
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   879
   * Escape html tags
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   880
   * Basically replacing " > and < with HTML entities ( &quot;, &gt;, &lt;)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   881
   *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   882
   * @param $in String: text that might contain HTML tags.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   883
   * @return string Escaped string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   884
   */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   885
  function wfEscapeHTMLTagsOnly( $in ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   886
    return str_replace(
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   887
      array( '"', '>', '<' ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   888
      array( '&quot;', '&gt;', '&lt;' ),
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   889
      $in );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   890
  }
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   891
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   892
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   893
	 * Restores pre, math, and other extensions removed by strip()
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   894
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   895
	 * always call unstripNoWiki() after this one
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   896
	 * @private
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   897
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   898
	function unstrip( $text, &$state ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   899
		if ( !isset( $state['general'] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   900
			return $text;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   901
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   902
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   903
		# TODO: good candidate for FSS
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   904
		$text = strtr( $text, $state['general'] );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   905
    
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   906
		return $text;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   907
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   908
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   909
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   910
	 * Return UTF-8 string for a codepoint if that is a valid
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   911
	 * character reference, otherwise U+FFFD REPLACEMENT CHARACTER.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   912
	 * @param int $codepoint
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   913
	 * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   914
	 * @private
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   915
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   916
	function decodeChar( $codepoint ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   917
		if( validateCodepoint( $codepoint ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   918
			return codepointToUtf8( $codepoint );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   919
		} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   920
			return UTF8_REPLACEMENT;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   921
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   922
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   923
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   924
	/**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   925
	 * If the named entity is defined in the HTML 4.0/XHTML 1.0 DTD,
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   926
	 * return the UTF-8 encoding of that character. Otherwise, returns
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   927
	 * pseudo-entity source (eg &foo;)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   928
	 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   929
	 * @param string $name
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   930
	 * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   931
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   932
	function decodeEntity( $name ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   933
		global $wgHtmlEntities;
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   934
		if( isset( $wgHtmlEntities[$name] ) ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   935
			return codepointToUtf8( $wgHtmlEntities[$name] );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   936
		} else {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   937
			return "&$name;";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   938
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   939
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   940
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   941
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   942
	 * Returns true if a given Unicode codepoint is a valid character in XML.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   943
	 * @param int $codepoint
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   944
	 * @return bool
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   945
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   946
	function validateCodepoint( $codepoint ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   947
		return ($codepoint ==    0x09)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   948
			|| ($codepoint ==    0x0a)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   949
			|| ($codepoint ==    0x0d)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   950
			|| ($codepoint >=    0x20 && $codepoint <=   0xd7ff)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   951
			|| ($codepoint >=  0xe000 && $codepoint <=   0xfffd)
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   952
			|| ($codepoint >= 0x10000 && $codepoint <= 0x10ffff);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   953
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   954
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   955
/**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   956
 * Return UTF-8 sequence for a given Unicode code point.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   957
 * May die if fed out of range data.
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   958
 *
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   959
 * @param $codepoint Integer:
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   960
 * @return String
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   961
 * @public
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   962
 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   963
function codepointToUtf8( $codepoint ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   964
	if($codepoint <		0x80) return chr($codepoint);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   965
	if($codepoint <    0x800) return chr($codepoint >>	6 & 0x3f | 0xc0) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   966
									 chr($codepoint		  & 0x3f | 0x80);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   967
	if($codepoint <  0x10000) return chr($codepoint >> 12 & 0x0f | 0xe0) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   968
									 chr($codepoint >>	6 & 0x3f | 0x80) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   969
									 chr($codepoint		  & 0x3f | 0x80);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   970
	if($codepoint < 0x110000) return chr($codepoint >> 18 & 0x07 | 0xf0) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   971
									 chr($codepoint >> 12 & 0x3f | 0x80) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   972
									 chr($codepoint >>	6 & 0x3f | 0x80) .
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   973
									 chr($codepoint		  & 0x3f | 0x80);
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   974
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   975
	echo "Asked for code outside of range ($codepoint)\n";
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   976
	die( -1 );
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   977
}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   978
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   979
  /**
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   980
	 * @param string $matches
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   981
	 * @return string
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   982
	 */
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   983
	function decodeCharReferencesCallback( $matches ) {
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   984
		if( $matches[1] != '' ) {
24
9ecc94c4c7f5 Fixed tons of bugs relating to non-templated pages
Dan
parents: 21
diff changeset
   985
			return decodeEntity( $matches[1] );
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   986
		} elseif( $matches[2] != '' ) {
24
9ecc94c4c7f5 Fixed tons of bugs relating to non-templated pages
Dan
parents: 21
diff changeset
   987
			return  decodeChar( intval( $matches[2] ) );
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   988
		} elseif( $matches[3] != ''  ) {
24
9ecc94c4c7f5 Fixed tons of bugs relating to non-templated pages
Dan
parents: 21
diff changeset
   989
			return  decodeChar( hexdec( $matches[3] ) );
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   990
		} elseif( $matches[4] != '' ) {
24
9ecc94c4c7f5 Fixed tons of bugs relating to non-templated pages
Dan
parents: 21
diff changeset
   991
			return  decodeChar( hexdec( $matches[4] ) );
1
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   992
		}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   993
		# Last case should be an ampersand by itself
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   994
		return $matches[0];
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   995
	}
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   996
  
fe660c52c48f Adding /includes
dan@scribus.fuhry.local.fuhry.local
parents:
diff changeset
   997
?>