/includes/wikiengine/Tables.php
PHP | 198 lines | 136 code | 19 blank | 43 comment | 58 complexity | 85b8c3888b9b0e8b8a9c9bcafd0a8e8b MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /*
- * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
- * Copyright (C) 2006-2009 Dan Fuhry
- *
- * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
- *
- * This script contains code originally found in MediaWiki (http://www.mediawiki.org). MediaWiki is also licensed under
- * the GPLv2 or later; see the file GPL included with this package for details.
- *
- * We're using the MW parser because the Text_Wiki version simply refused to work under PHP 5.2.0. Porting this was
- * _not_ easy. <leaves to get cup of coffee>
- */
- global $mStripState, $wgRandomKey;
- $mStripState = Array();
- /**
- * emulate mediawiki parser, including stripping, etc.
- *
- * @param string $text the text to parse
- * @return string
- * @access public
- */
-
- function process_tables( $text )
- {
- // include some globals, do some parser stuff that would normally be done in the parent parser function
- global $mStripState;
- $x =& $mStripState;
-
- // parse the text
- $text = doTableStuff($text);
- return $text;
- }
- /**
- * parse the wiki syntax used to render tables
- *
- * @param string $t the text to parse
- * @return string
- * @access private
- */
- function doTableStuff( $t ) {
-
- $t = explode ( "\n" , $t ) ;
- $td = array () ; # Is currently a td tag open?
- $ltd = array () ; # Was it TD or TH?
- $tr = array () ; # Is currently a tr tag open?
- $ltr = array () ; # tr attributes
- $has_opened_tr = array(); # Did this table open a <tr> element?
- $indent_level = 0; # indent level of the table
- $row_count = 0;
- foreach ( $t AS $k => $line )
- {
- $line = trim ( $line ) ;
- $first_char = substr ( $line , 0 , 1 ) ;
- if ( preg_match( '/^(:*)\{\|(.*)$/', $line, $matches ) ) {
- $indent_level = strlen( $matches[1] );
- $attributes = unstripForHTML( $matches[2] );
- $styled_table = false;
- if ( trim($attributes) == "styled" )
- {
- $attributes='cellspacing="1" cellpadding="4"';
- $styled_table = true;
- }
- $t[$k] = str_repeat( '<dl><dd>', $indent_level ) .
- ( $styled_table ? '<div class="tblholder">' : '' ) .
- '<table' . fixTagAttributes( $attributes, 'table' ) . '>' ;
- array_push ( $td , false ) ;
- array_push ( $ltd , '' ) ;
- array_push ( $tr , false ) ;
- array_push ( $ltr , '' ) ;
- array_push ( $has_opened_tr, false );
- }
- else if ( count ( $td ) == 0 ) { } # Don't do any of the following
- else if ( '|}' == substr ( $line , 0 , 2 ) ) {
- $z = "</table>" . ( $styled_table ? '</div>' : '' ) . substr ( $line , 2);
- $l = array_pop ( $ltd ) ;
- if ( !array_pop ( $has_opened_tr ) ) $z = "<tr><td></td></tr>" . $z ;
- if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
- if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
- array_pop ( $ltr ) ;
- $t[$k] = $z . str_repeat( '</dd></dl>', $indent_level );
- }
- else if ( '|-' == substr ( $line , 0 , 2 ) ) { # Allows for |---------------
- $row_count++;
- $line = substr ( $line , 1 ) ;
- while ( $line != '' && substr ( $line , 0 , 1 ) == '-' ) $line = substr ( $line , 1 ) ;
- $z = '' ;
- $l = array_pop ( $ltd ) ;
- array_pop ( $has_opened_tr );
- array_push ( $has_opened_tr , true ) ;
- if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
- if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
- array_pop ( $ltr ) ;
- $t[$k] = $z ;
- array_push ( $tr , false ) ;
- array_push ( $td , false ) ;
- array_push ( $ltd , '' ) ;
- $attributes = unstripForHTML( $line );
- array_push ( $ltr , fixTagAttributes( $attributes, 'tr' ) ) ;
- }
- else if ( '|' == $first_char || '!' == $first_char || '|+' == substr ( $line , 0 , 2 ) ) { # Caption
- # $line is a table row
- if ( '|+' == substr ( $line , 0 , 2 ) ) {
- $first_char = '+' ;
- $line = substr ( $line , 1 ) ;
- }
- $after = substr ( $line , 1 ) ;
- if ( $first_char == '!' ) $after = str_replace ( '!!' , '||' , $after ) ;
- // Split up multiple cells on the same line.
- // FIXME: This can result in improper nesting of tags processed
- // by earlier parser steps, but should avoid splitting up eg
- // attribute values containing literal "||".
- $after = wfExplodeMarkup( '||', $after );
- $t[$k] = '' ;
- # Loop through each table cell
- foreach ( $after AS $theline )
- {
- $z = '' ;
- if ( $first_char != '+' )
- {
- $tra = array_pop ( $ltr ) ;
- if ( !array_pop ( $tr ) ) $z = '<tr'.$tra.">\n" ;
- array_push ( $tr , true ) ;
- array_push ( $ltr , '' ) ;
- array_pop ( $has_opened_tr );
- array_push ( $has_opened_tr , true ) ;
- }
- $l = array_pop ( $ltd ) ;
- if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
- if ( $first_char == '|' ) $l = 'td' ;
- else if ( $first_char == '!' ) $l = 'th' ;
- else if ( $first_char == '+' ) $l = 'caption' ;
- else $l = '' ;
- array_push ( $ltd , $l ) ;
- # Cell parameters
- $y = explode ( '|' , $theline , 2 ) ;
- # Note that a '|' inside an invalid link should not
- # be mistaken as delimiting cell parameters
- if ( strpos( $y[0], '[[' ) !== false ) {
- $y = array ($theline);
- }
- $attr_append = '';
- if ( $styled_table && $l == 'td' )
- {
- $rowclass = 1 + ($row_count % 2);
- $attr_append .= ' class="row' . $rowclass . '"';
- }
- if ( count ( $y ) == 1 )
- {
- $y = "{$z}<{$l}{$attr_append}>{$y[0]}" ;
- }
- else
- {
- $attributes = unstripForHTML( $y[0] );
- if ( !strstr($attributes, "class=") )
- $attributes .= $attr_append;
- $y = "{$z}<{$l}".fixTagAttributes($attributes, $l).">{$y[1]}" ;
- }
- $t[$k] .= $y ;
- array_push ( $td , true ) ;
- }
- }
- }
- # Closing open td, tr && table
- while ( count ( $td ) > 0 )
- {
- $l = array_pop ( $ltd ) ;
- if ( array_pop ( $td ) ) $t[] = '</td>' ;
- if ( array_pop ( $tr ) ) $t[] = '</tr>' ;
- if ( !array_pop ( $has_opened_tr ) ) $t[] = "<tr><td></td></tr>" ;
- $t[] = '</table></_paragraph_bypass>' ;
- }
- $t = implode ( "\n" , $t ) ;
-
- # special case: don't return empty table
- if($t == "<table>\n<tr><td></td></tr>\n</table>")
- $t = '';
- return $t ;
- }