includes/wikiengine/Tables.php
author Dan Fuhry <dan@enanocms.org>
Sun, 08 Aug 2010 17:18:00 -0400
changeset 1289 541bb25d0b22
parent 1227 bdac73ed481e
child 1308 f9bee9b125ee
permissions -rw-r--r--
Fixed PHP warning with empty search results
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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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 * Copyright (C) 2006-2009 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 or later; 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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/**
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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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	// parse the text
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	$text = doTableStuff($text);
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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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				'<table' . fixTagAttributes( $attributes, 'table' ) . '>' ;
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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 = "</table>" . substr ( $x , 2);
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			$l = array_pop ( $ltd ) ;
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			if ( !array_pop ( $has_opened_tr ) ) $z = "<tr><td></td></tr>" . $z ;
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			if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
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			if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
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			array_pop ( $ltr ) ;
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			$t[$k] = $z . str_repeat( '</dd></dl>', $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 = '</tr>' . $z ;
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			if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $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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		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
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parents: 1081
diff changeset
   103
		else if ( '|' == $fc || '!' == $fc || '|+' == substr ( $x , 0 , 2 ) ) { # Caption
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   104
			# $x is a table row
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   105
			if ( '|+' == substr ( $x , 0 , 2 ) ) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   106
				$fc = '+' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   107
				$x = substr ( $x , 1 ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
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   108
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   109
			$after = substr ( $x , 1 ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   110
			if ( $fc == '!' ) $after = str_replace ( '!!' , '||' , $after ) ;
1027
98c052fc3337 First implementation of new parser; Text_Wiki is now gone. VERY BETA! WiP.
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   111
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   112
			// Split up multiple cells on the same line.
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   113
			// FIXME: This can result in improper nesting of tags processed
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   114
			// by earlier parser steps, but should avoid splitting up eg
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   115
			// attribute values containing literal "||".
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   116
			$after = wfExplodeMarkup( '||', $after );
1027
98c052fc3337 First implementation of new parser; Text_Wiki is now gone. VERY BETA! WiP.
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parents: 801
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   117
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   118
			$t[$k] = '' ;
1027
98c052fc3337 First implementation of new parser; Text_Wiki is now gone. VERY BETA! WiP.
Dan
parents: 801
diff changeset
   119
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   120
			# Loop through each table cell
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   121
			foreach ( $after AS $theline )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   122
			{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   123
				$z = '' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   124
				if ( $fc != '+' )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   125
				{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   126
					$tra = array_pop ( $ltr ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   127
					if ( !array_pop ( $tr ) ) $z = '<tr'.$tra.">\n" ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   128
					array_push ( $tr , true ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   129
					array_push ( $ltr , '' ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   130
					array_pop ( $has_opened_tr );
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   131
					array_push ( $has_opened_tr , true ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   132
				}
1027
98c052fc3337 First implementation of new parser; Text_Wiki is now gone. VERY BETA! WiP.
Dan
parents: 801
diff changeset
   133
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   134
				$l = array_pop ( $ltd ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   135
				if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   136
				if ( $fc == '|' ) $l = 'td' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   137
				else if ( $fc == '!' ) $l = 'th' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   138
				else if ( $fc == '+' ) $l = 'caption' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   139
				else $l = '' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   140
				array_push ( $ltd , $l ) ;
1027
98c052fc3337 First implementation of new parser; Text_Wiki is now gone. VERY BETA! WiP.
Dan
parents: 801
diff changeset
   141
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   142
				# Cell parameters
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   143
				$y = explode ( '|' , $theline , 2 ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   144
				# Note that a '|' inside an invalid link should not
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   145
				# be mistaken as delimiting cell parameters
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   146
				if ( strpos( $y[0], '[[' ) !== false ) {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   147
					$y = array ($theline);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   148
				}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   149
				if ( count ( $y ) == 1 )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   150
					$y = "{$z}<{$l}>{$y[0]}" ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   151
				else {
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   152
					$attributes = unstripForHTML( $y[0] );
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   153
					$y = "{$z}<{$l}".fixTagAttributes($attributes, $l).">{$y[1]}" ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   154
				}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   155
				$t[$k] .= $y ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   156
				array_push ( $td , true ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   157
			}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   158
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   159
	}
1
fe660c52c48f Adding /includes
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1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   161
	# Closing open td, tr && table
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   162
	while ( count ( $td ) > 0 )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   163
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   164
		$l = array_pop ( $ltd ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   165
		if ( array_pop ( $td ) ) $t[] = '</td>' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   166
		if ( array_pop ( $tr ) ) $t[] = '</tr>' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   167
		if ( !array_pop ( $has_opened_tr ) ) $t[] = "<tr><td></td></tr>" ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   168
		$t[] = '</table></_paragraph_bypass>' ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   169
	}
1
fe660c52c48f Adding /includes
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1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   171
	$t = implode ( "\n" , $t ) ;
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   172
	
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   173
	# special case: don't return empty table
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   174
	if($t == "<table>\n<tr><td></td></tr>\n</table>")
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   175
		$t = '';
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
   176
	return $t ;
1
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}
fe660c52c48f Adding /includes
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   178