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<?php
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/***************************************************************
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* Copyright notice
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*
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* (c) 1999-2004 Kasper Skaarhoj (kasper@typo3.com)
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* (c) 2004-2005 Stanislas Rolland (stanislas.rolland@fructifor.com)
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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* A copy is found in the textfile GPL.txt and important notices to the license
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* from the author is found in LICENSE.txt distributed with these scripts.
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*
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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/**
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* Functions for parsing HTML, specially for TYPO3 processing in relation to TCEmain and Rich Text Editor (RTE)
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*
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* $Id: class.ux_t3lib_parsehtml_proc.php,v 1.8 2005/08/05 14:47:00 stanrolland Exp $
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* Revised for TYPO3 3.6 December/2003 by Kasper Skaarhoj
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* XHTML compatible.
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*
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* @author Kasper Skaarhoj <kasper@typo3.com>
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* @internal
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*/
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require_once (PATH_t3lib.'class.t3lib_parsehtml_proc.php');
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/**
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* Class for parsing HTML for the Rich Text Editor. (also called transformations)
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*
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* @author Kasper Skaarhoj <kasper@typo3.com>
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* @package TYPO3
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* @subpackage t3lib
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* Modification by Stanislas Rolland 2004-12-10 to allow style attribute on span tags
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* Modification by Stanislas Rolland 2005-02-10 to include hr in headListTags
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* Modification by Stanislas Rolland 2005-03-27 to avoid insertion of superfluous linebreaks by transform_db
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* Modification by Stanislas Rolland 2005-04-06 to eliminate true linebreaks inside hx tags
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* Modification by Johannes Bornhold 2005-05-09 to convert linebreaks to spaces instead of deleting them
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* Modification by Stanislas Rolland 2005-07-28 to include address and dl in headListTags
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*/
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class ux_t3lib_parsehtml_proc extends t3lib_parsehtml_proc {
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// <Stanislas Rolland 2005-02-10 and 2005-07-28 to include hr, address and dl in headListTags>
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var $headListTags = 'PRE,UL,OL,H1,H2,H3,H4,H5,H6,HR,ADDRESS,DL';
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// </Stanislas Rolland 2005-02-10 and 2005-07-28 to include hr, address and dl in headListTags>
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/**
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* Creates an array of configuration for the HTMLcleaner function based on whether content go TO or FROM the Rich Text Editor ($direction)
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* Unless "tagList" is given, the function will cache the configuration for next time processing goes on. (In this class that is the case only if we are processing a bulletlist)
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*
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* @param string The direction of the content being processed by the output configuration; "db" (content going into the database FROM the rte) or "rte" (content going into the form)
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* @param string Comma list of tags to keep (overriding default which is to keep all + take notice of internal configuration)
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* @return array Configuration array
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* @see HTMLcleaner_db()
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*/
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function getKeepTags($direction='rte',$tagList='') {
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if (!is_array($this->getKeepTags_cache[$direction]) || $tagList) {
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// Setting up allowed tags:
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if (strcmp($tagList,'')) { // If the $tagList input var is set, this will take precedence
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$keepTags = array_flip(t3lib_div::trimExplode(',',$tagList,1));
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} else { // Default is to get allowed/denied tags from internal array of processing options:
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// Construct default list of tags to keep:
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$typoScript_list = 'b,i,u,a,img,br,div,center,pre,font,hr,sub,sup,p,strong,em,li,ul,ol,blockquote,strike,span';
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$keepTags = array_flip(t3lib_div::trimExplode(',',$typoScript_list.','.strtolower($this->procOptions['allowTags']),1));
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// For tags to deny, remove them from $keepTags array:
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$denyTags = t3lib_div::trimExplode(',',$this->procOptions['denyTags'],1);
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foreach($denyTags as $dKe) {
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unset($keepTags[$dKe]);
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}
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}
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// Based on the direction of content, set further options:
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switch ($direction) {
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// GOING from database to Rich Text Editor:
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case 'rte':
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// Transform bold/italics tags to strong/em
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if (isset($keepTags['b'])) {$keepTags['b']=array('remap'=>'STRONG');}
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if (isset($keepTags['i'])) {$keepTags['i']=array('remap'=>'EM');}
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// Transforming keepTags array so it can be understood by the HTMLcleaner function. This basically converts the format of the array from TypoScript (having .'s) to plain multi-dimensional array.
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list($keepTags) = $this->HTMLparserConfig($this->procOptions['HTMLparser_rte.'],$keepTags);
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break;
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// GOING from RTE to database:
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case 'db':
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// Transform strong/em back to bold/italics:
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if (isset($keepTags['strong'])) { $keepTags['strong']=array('remap'=>'b'); }
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if (isset($keepTags['em'])) { $keepTags['em']=array('remap'=>'i'); }
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// Setting up span tags if they are allowed:
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if (isset($keepTags['span'])) {
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$classes=array_merge(array(''),$this->allowedClasses);
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// <Stanislas Rolland 2004-12-10 to allow style attribute on span tags>
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$keepTags['span']=array(
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'allowedAttribs'=> 'class,style',
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'fixAttrib' => Array(
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'class' => Array (
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'list' => $classes,
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'removeIfFalse' => 1
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)
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),
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'rmTagIfNoAttrib' => 1
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);
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if (!$this->procOptions['allowedClasses']) unset($keepTags['span']['fixAttrib']['class']['list']);
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}
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// </Stanislas Rolland 2004-12-10 to allow style attribute on span tags>
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// Setting up font tags if they are allowed:
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if (isset($keepTags['font'])) {
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$colors=array_merge(array(''),t3lib_div::trimExplode(',',$this->procOptions['allowedFontColors'],1));
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$keepTags['font']=array(
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'allowedAttribs'=>'face,color,size,style',
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'fixAttrib' => Array(
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'face' => Array (
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'removeIfFalse' => 1
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),
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'color' => Array (
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'removeIfFalse' => 1,
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'list'=>$colors
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),
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'size' => Array (
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'removeIfFalse' => 1,
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)
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),
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'rmTagIfNoAttrib' => 1
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);
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if (!$this->procOptions['allowedFontColors']) unset($keepTags['font']['fixAttrib']['color']['list']);
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}
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// Setting further options, getting them from the processiong options:
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$TSc = $this->procOptions['HTMLparser_db.'];
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if (!$TSc['globalNesting']) $TSc['globalNesting']='b,i,u,a,center,font,sub,sup,strong,em,strike,span';
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if (!$TSc['noAttrib']) $TSc['noAttrib']='b,i,u,br,center,hr,sub,sup,strong,em,li,ul,ol,blockquote,strike';
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// Transforming the array from TypoScript to regular array:
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list($keepTags) = $this->HTMLparserConfig($TSc,$keepTags);
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break;
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}
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// Caching (internally, in object memory) the result unless tagList is set:
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if (!$tagList) {
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$this->getKeepTags_cache[$direction] = $keepTags;
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} else {
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return $keepTags;
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}
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}
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// Return result:
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return $this->getKeepTags_cache[$direction];
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}
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/**
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* Transformation handler: 'ts_transform' + 'css_transform' / direction: "db"
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* Cleaning (->db) for standard content elements (ts)
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*
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* @param string Content input
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* @param boolean If true, the transformation was "css_transform", otherwise "ts_transform"
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* @return string Content output
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* @see TS_transform_rte()
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*/
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function TS_transform_db($value,$css=FALSE) {
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// safety... so forever loops are avoided (they should not occur, but an error would potentially do this...)
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$this->TS_transform_db_safecounter--;
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if ($this->TS_transform_db_safecounter<0) return $value;
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// Split the content from RTE by the occurence of these blocks:
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$blockSplit = $this->splitIntoBlock('TABLE,BLOCKQUOTE,'.$this->headListTags,$value);
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$cc=0;
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$aC = count($blockSplit);
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// <Stanislas Rolland 2005-04-02 to avoid superfluous linebreak after ending headListTag>
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while($aC && !strcmp(trim($blockSplit[$aC-1]),'')) {
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unset($blockSplit[$aC-1]);
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$aC = count($blockSplit);
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}
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// </Stanislas Rolland 2005-04-02 to avoid superfluous linebreak>
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// Traverse the blocks
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foreach($blockSplit as $k => $v) {
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$cc++;
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$lastBR = $cc==$aC ? '' : chr(10);
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if ($k%2) { // Inside block:
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// Init:
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$tag=$this->getFirstTag($v);
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$tagName=strtolower($this->getFirstTagName($v));
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// Process based on the tag:
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switch($tagName) {
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case 'blockquote': // Keep blockquotes, but clean the inside recursively in the same manner as the main code
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$blockSplit[$k]='<'.$tagName.'>'.$this->TS_transform_db($this->removeFirstAndLastTag($blockSplit[$k]),$css).'</'.$tagName.'>'.$lastBR;
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break;
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case 'ol':
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case 'ul': // Transform lists into <typolist>-tags:
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if (!$css) {
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if (!isset($this->procOptions['typolist']) || $this->procOptions['typolist']) {
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$parts = $this->getAllParts($this->splitIntoBlock('LI',$this->removeFirstAndLastTag($blockSplit[$k])),1,0);
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while(list($k2)=each($parts)) {
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$parts[$k2]=ereg_replace(chr(10).'|'.chr(13),'',$parts[$k2]); // remove all linesbreaks!
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$parts[$k2]=$this->defaultTStagMapping($parts[$k2],'db');
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$parts[$k2]=$this->cleanFontTags($parts[$k2],0,0,0);
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$parts[$k2] = $this->HTMLcleaner_db($parts[$k2],strtolower($this->procOptions['allowTagsInTypolists']?$this->procOptions['allowTagsInTypolists']:'br,font,b,i,u,a,img,span,strong,em'));
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}
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if ($tagName=='ol') { $params=' type="1"'; } else { $params=''; }
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$blockSplit[$k]='<typolist'.$params.'>'.chr(10).implode(chr(10),$parts).chr(10).'</typolist>'.$lastBR;
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}
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} else {
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$blockSplit[$k].=$lastBR;
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}
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break;
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case 'table': // Tables are NOT allowed in any form (unless preserveTables is set or CSS is the mode)
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if (!$this->procOptions['preserveTables'] && !$css) {
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$blockSplit[$k]=$this->TS_transform_db($this->removeTables($blockSplit[$k]));
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} else {
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// <Johannes Bornhold 2005-05-09 linebreaks are spaces>
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$blockSplit[$k]=str_replace(chr(10),' ',$blockSplit[$k]).$lastBR;
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// </Johannes Bornhold 2005-05-09 linebreaks are spaces>
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$blockSplit[$k]=str_replace(chr(10),'',$blockSplit[$k]).$lastBR;
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}
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break;
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case 'h1':
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case 'h2':
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case 'h3':
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case 'h4':
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case 'h5':
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case 'h6':
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if (!$css) {
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$attribArray=$this->get_tag_attributes_classic($tag);
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// Processing inner content here:
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$innerContent = $this->HTMLcleaner_db($this->removeFirstAndLastTag($blockSplit[$k]));
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if (!isset($this->procOptions['typohead']) || $this->procOptions['typohead']) {
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$type = intval(substr($tagName,1));
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$blockSplit[$k]='<typohead'.
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($type!=6?' type="'.$type.'"':'').
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($attribArray['align']?' align="'.$attribArray['align'].'"':'').
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($attribArray['class']?' class="'.$attribArray['class'].'"':'').
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'>'.
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$innerContent.
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'</typohead>'.
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$lastBR;
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} else {
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$blockSplit[$k]='<'.$tagName.
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($attribArray['align']?' align="'.htmlspecialchars($attribArray['align']).'"':'').
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($attribArray['class']?' class="'.htmlspecialchars($attribArray['class']).'"':'').
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'>'.
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$innerContent.
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'</'.$tagName.'>'.
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$lastBR;
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}
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} else {
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// <Stanislas Rolland 2005-04-06 to eliminate true linebreaks inside hx tags>
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// <Johannes Bornhold 2005-05-09 linebreaks are spaces>
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$blockSplit[$k]=str_replace(chr(10),chr(32),$blockSplit[$k]).$lastBR;
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// </Johannes Bornhold 2005-05-09 linebreaks are spaces>
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//$blockSplit[$k].=$lastBR;
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// </Stanislas Rolland 2005-04-06 to eliminate true linebreaks inside hx tags>
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}
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break;
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default:
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$blockSplit[$k].=$lastBR;
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break;
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}
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} else { // NON-block:
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if (strcmp(trim($blockSplit[$k]),'')) {
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// <Johannes Bornhold 2005-05-09 linebreaks are spaces>
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$blockSplit[$k]=$this->divideIntoLines(str_replace(chr(10),chr(32), $blockSplit[$k])).$lastBR;
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//$blockSplit[$k]=$this->divideIntoLines($blockSplit[$k]).$lastBR;
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// <Dimitrij Denissenko 2005-11-15 wrap a-tags that contain a style attribute with a span-tag>
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$blockSplit[$k]=$this->transformStyledATags($blockSplit[$k]);
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// </Dimitrij Denissenko 2005-11-15>
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// </Johannes Bornhold 2005-05-09 linebreaks are spaces>
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} else unset($blockSplit[$k]);
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}
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}
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$this->TS_transform_db_safecounter++;
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debug(implode('',$blockSplit));
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if($this->procOptions['windows_remap']) {
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return $this->remap_chars(implode('',$blockSplit));
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} else {
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return implode('',$blockSplit);
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}
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}
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// <Dimitrij Denissenko 2005-11-15 wraps a-tags that contain a style attribute with a span-tag>
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function transformStyledATags($value) {
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$blockSplit = $this->splitIntoBlock('A',$value);
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foreach($blockSplit as $k => $v) {
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if ($k%2) { // If an A-tag was found:
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$attribArray = $this->get_tag_attributes_classic($this->getFirstTag($v),1);
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if ($attribArray['style']) { // If "style" attribute is set!
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$attribArray_copy['style'] = $attribArray['style'];
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unset($attribArray['style']);
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unset($attribArray['rtekeep']);
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$bTag='<a '.t3lib_div::implodeAttributes($attribArray,1).'><span '.t3lib_div::implodeAttributes($$attribArray_copy,1).'>';
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$eTag='</span></a>';
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$blockSplit[$k] = $bTag.$this->removeFirstAndLastTag($blockSplit[$k]).$eTag;
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}
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}
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}
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return implode('',$blockSplit);
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}
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// </Dimitrij Denissenko 2005-11-15>
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function remap_chars($html) {
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$replacements = array(
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chr(128) => '€',
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chr(129) => '',
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chr(130) => '‚',
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chr(131) => 'ƒ',
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chr(132) => '„',
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chr(133) => '…',
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chr(134) => '†',
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chr(135) => '‡',
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chr(136) => 'ˆ',
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chr(137) => '‰',
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chr(138) => 'Š',
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chr(139) => '‹',
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chr(140) => 'Œ',
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chr(141) => '',
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chr(142) => 'Ž',
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chr(143) => '',
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chr(144) => '',
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chr(145) => '‘',
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chr(146) => '’',
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chr(147) => '“',
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chr(148) => '”',
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chr(149) => '•',
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chr(150) => '–',
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chr(151) => '—',
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chr(152) => '˜',
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chr(153) => '™',
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chr(154) => 'š',
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chr(155) => '›',
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chr(156) => 'œ',
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chr(157) => '',
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chr(158) => 'ž',
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chr(159) => 'Ÿ'
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);
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return str_replace(array_keys($replacements),array_values($replacements),$html);
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}
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}
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?>
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