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[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_parsehtml_proc.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2004 Kasper Skaarhoj (kasper@typo3.com)
6 * All rights reserved
7 *
8 * This script is part of the TYPO3 project. The TYPO3 project is
9 * free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * The GNU General Public License can be found at
15 * http://www.gnu.org/copyleft/gpl.html.
16 * A copy is found in the textfile GPL.txt and important notices to the license
17 * from the author is found in LICENSE.txt distributed with these scripts.
18 *
19 *
20 * This script is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * This copyright notice MUST APPEAR in all copies of the script!
26 ***************************************************************/
27 /**
28 * Functions for parsing HTML, specially for TYPO3 processing in relation to TCEmain and Rich Text Editor (RTE)
29 *
30 * $Id$
31 * Revised for TYPO3 3.6 December/2003 by Kasper Skaarhoj
32 * XHTML compatible.
33 *
34 * @author Kasper Skaarhoj <kasper@typo3.com>
35 * @internal
36 */
37 /**
38 * [CLASS/FUNCTION INDEX of SCRIPT]
39 *
40 *
41 *
42 * 102: class t3lib_parsehtml_proc extends t3lib_parsehtml
43 * 137: function init($elRef='',$recPid=0)
44 * 149: function setRelPath($path)
45 * 173: function evalWriteFile($pArr,$currentRecord)
46 *
47 * SECTION: Main function
48 * 231: function RTE_transform($value,$specConf,$direction='rte',$thisConfig=array())
49 *
50 * SECTION: Specific RTE TRANSFORMATION functions
51 * 378: function TS_images_db($value)
52 * 519: function TS_images_rte($value)
53 * 553: function TS_reglinks($value,$direction)
54 * 587: function TS_links_db($value)
55 * 635: function TS_links_rte($value)
56 * 716: function TS_preserve_db($value)
57 * 740: function TS_preserve_rte($value)
58 * 761: function TS_transform_db($value,$css=FALSE)
59 * 872: function TS_transform_rte($value,$css=0)
60 * 943: function TS_strip_db($value)
61 *
62 * SECTION: Generic RTE transformation, analysis and helper functions
63 * 974: function getURL($url)
64 * 988: function HTMLcleaner_db($content,$tagList='')
65 * 1009: function getKeepTags($direction='rte',$tagList='')
66 * 1118: function divideIntoLines($value,$count=5,$returnArray=FALSE)
67 * 1222: function setDivTags($value,$dT='p')
68 * 1267: function internalizeFontTags($value)
69 * 1303: function siteUrl()
70 * 1313: function rteImageStorageDir()
71 * 1325: function removeTables($value,$breakChar='<br />')
72 * 1357: function defaultTStagMapping($code,$direction='rte')
73 * 1380: function getWHFromAttribs($attribArray)
74 * 1406: function urlInfoForLinkTags($url)
75 * 1465: function TS_AtagToAbs($value,$dontSetRTEKEEP=FALSE)
76 *
77 * TOTAL FUNCTIONS: 27
78 * (This index is automatically created/updated by the extension "extdeveval")
79 *
80 */
81
82 require_once (PATH_t3lib.'class.t3lib_parsehtml.php');
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93
94
95 /**
96 * Class for parsing HTML for the Rich Text Editor. (also called transformations)
97 *
98 * @author Kasper Skaarhoj <kasper@typo3.com>
99 * @package TYPO3
100 * @subpackage t3lib
101 */
102 class t3lib_parsehtml_proc extends t3lib_parsehtml {
103
104 // Static:
105 var $headListTags = 'PRE,UL,OL,H1,H2,H3,H4,H5,H6'; // List of tags for header, pre and list containers
106
107 // Internal, static:
108 var $recPid = 0; // Set this to the pid of the record manipulated by the class.
109 var $elRef = ''; // Element reference [table]:[field], eg. "tt_content:bodytext"
110 var $relPath=''; // Relative path
111 var $relBackPath=''; // Relative back-path
112 var $procOptions = ''; // Set to the TSconfig options coming from Page TSconfig
113
114 // Internal, dynamic
115 var $TS_transform_db_safecounter=100; // Run-away brake for recursive calls.
116 var $rte_p=''; // Parameters from TCA types configuration related to the RTE
117 var $getKeepTags_cache=array(); // Data caching for processing function
118 var $allowedClasses=array(); // Storage of the allowed CSS class names in the RTE
119 var $preserveTags = ''; // Set to tags to preserve from Page TSconfig configuration
120
121
122
123
124
125
126
127
128
129
130 /**
131 * Initialize, setting element reference and record PID
132 *
133 * @param string Element reference, eg "tt_content:bodytext"
134 * @param integer PID of the record (page id)
135 * @return void
136 */
137 function init($elRef='',$recPid=0) {
138 $this->recPid = $recPid;
139 $this->elRef = $elRef;
140 }
141
142 /**
143 * Setting the ->relPath and ->relBackPath to proper values so absolute references to links and images can be converted to relative dittos.
144 * This is used when editing files with the RTE
145 *
146 * @param string The relative path from PATH_site to the place where the file being edited is. Eg. "fileadmin/static".
147 * @return void There is no output, it is set in internal variables. With the above example of "fileadmin/static" as input this will yield ->relPath to be "fileadmin/static/" and ->relBackPath to be "../../"
148 */
149 function setRelPath($path) {
150 $path = trim($path);
151 $path = ereg_replace('^/','',$path);
152 $path = ereg_replace('/$','',$path);
153 if ($path) {
154 $this->relPath = $path;
155 $this->relBackPath = '';
156 $partsC=count(explode('/',$this->relPath));
157 for ($a=0;$a<$partsC;$a++) {
158 $this->relBackPath.='../';
159 }
160 $this->relPath.='/';
161 }
162 }
163
164 /**
165 * Evaluate the environment for editing a staticFileEdit file.
166 * Called for almost all fields being saved in the database. Is called without an instance of the object: t3lib_parsehtml_proc::evalWriteFile()
167 *
168 * @param array Parameters for the current field as found in types-config
169 * @param array Current record we are editing.
170 * @return mixed On success an array with various information is returned, otherwise a string with an error message
171 * @see t3lib_TCEmain, t3lib_transferData
172 */
173 function evalWriteFile($pArr,$currentRecord) {
174
175 // Write file configuration:
176 if (is_array($pArr)) {
177 if ($GLOBALS['TYPO3_CONF_VARS']['BE']['staticFileEditPath']
178 && substr($GLOBALS['TYPO3_CONF_VARS']['BE']['staticFileEditPath'],-1)=='/'
179 && @is_dir(PATH_site.$GLOBALS['TYPO3_CONF_VARS']['BE']['staticFileEditPath'])) {
180
181 $SW_p = $pArr['parameters'];
182 $SW_editFileField = trim($SW_p[0]);
183 $SW_editFile = $currentRecord[$SW_editFileField];
184 if ($SW_editFileField && $SW_editFile && t3lib_div::validPathStr($SW_editFile)) {
185 $SW_relpath = $GLOBALS['TYPO3_CONF_VARS']['BE']['staticFileEditPath'].$SW_editFile;
186 $SW_editFile = PATH_site.$SW_relpath;
187 if (@is_file($SW_editFile)) {
188 return array(
189 'editFile' => $SW_editFile,
190 'relEditFile' => $SW_relpath,
191 'contentField' => trim($SW_p[1]),
192 'markerField' => trim($SW_p[2]),
193 'loadFromFileField' => trim($SW_p[3]),
194 'statusField' => trim($SW_p[4])
195 );
196 } else return "ERROR: Editfile '".$SW_relpath."' did not exist";
197 } else return "ERROR: Edit file name could not be found or was bad.";
198 } else return "ERROR: staticFileEditPath was not set, not set correctly or did not exist!";
199 }
200 }
201
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211
212
213
214 /**********************************************
215 *
216 * Main function
217 *
218 **********************************************/
219
220 /**
221 * Transform value for RTE based on specConf in the direction specified by $direction (rte/db)
222 * This is the main function called from tcemain and transfer data classes
223 *
224 * @param string Input value
225 * @param array Special configuration for a field; This is coming from the types-configuration of the field in the TCA. In the types-configuration you can setup features for the field rendering and in particular the RTE takes al its major configuration options from there!
226 * @param string Direction of the transformation. Two keywords are allowed; "db" or "rte". If "db" it means the transformation will clean up content coming from the Rich Text Editor and goes into the database. The other direction, "rte", is of course when content is coming from database and must be transformed to fit the RTE.
227 * @param array Parsed TypoScript content configuring the RTE, probably coming from Page TSconfig.
228 * @return string Output value
229 * @see t3lib_TCEmain::fillInFieldArray(), t3lib_transferData::renderRecord_typesProc()
230 */
231 function RTE_transform($value,$specConf,$direction='rte',$thisConfig=array()) {
232
233 // Init:
234 $this->procOptions = $thisConfig['proc.'];
235 $this->preserveTags = strtoupper(implode(',',t3lib_div::trimExplode(',',$this->procOptions['preserveTags'])));
236
237 // Get parameters for rte_transformation:
238 $p = $this->rte_p = t3lib_BEfunc::getSpecConfParametersFromArray($specConf['rte_transform']['parameters']);
239
240 // Setting modes:
241 if (strcmp($this->procOptions['overruleMode'],'')) {
242 $modes = array_unique(t3lib_div::trimExplode(',',$this->procOptions['overruleMode']));
243 } else {
244 $modes = array_unique(t3lib_div::trimExplode('-',$p['mode']));
245 }
246 $revmodes = array_flip($modes);
247
248 // Find special modes and extract them:
249 if (isset($revmodes['ts'])) {
250 $modes[$revmodes['ts']] = 'ts_transform,ts_preserve,ts_images,ts_links';
251 }
252 // Find special modes and extract them:
253 if (isset($revmodes['ts_css'])) {
254 $modes[$revmodes['ts_css']] = 'css_transform,ts_images,ts_links';
255 }
256
257 // Make list unique
258 $modes = array_unique(t3lib_div::trimExplode(',',implode(',',$modes),1));
259
260 // Reverse order if direction is "rte"
261 if ($direction=='rte') {
262 $modes = array_reverse($modes);
263 }
264
265 // Getting additional HTML cleaner configuration. These are applied either before or after the main transformation is done and is thus totally independant processing options you can set up:
266 $entry_HTMLparser = $this->procOptions['entryHTMLparser_'.$direction] ? $this->HTMLparserConfig($this->procOptions['entryHTMLparser_'.$direction.'.']) : '';
267 $exit_HTMLparser = $this->procOptions['exitHTMLparser_'.$direction] ? $this->HTMLparserConfig($this->procOptions['exitHTMLparser_'.$direction.'.']) : '';
268
269 // Line breaks of content is unified into char-10 only (removing char 13)
270 if (!$this->procOptions['disableUnifyLineBreaks']) {
271 $value = str_replace(chr(13).chr(10),chr(10),$value);
272 }
273
274 // In an entry-cleaner was configured, pass value through the HTMLcleaner with that:
275 if (is_array($entry_HTMLparser)) {
276 $value = $this->HTMLcleaner($value,$entry_HTMLparser[0],$entry_HTMLparser[1],$entry_HTMLparser[2],$entry_HTMLparser[3]);
277 }
278
279 // Traverse modes:
280 foreach($modes as $cmd) {
281 // ->DB
282 if ($direction=='db') {
283 // Checking for user defined transformation:
284 if ($_classRef = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_parsehtml_proc.php']['transformation'][$cmd]) {
285 $_procObj = &t3lib_div::getUserObj($_classRef);
286 $_procObj->pObj = &$this;
287 $_procObj->transformationKey = $cmd;
288 $value = $_procObj->transform_db($value,$this);
289 } else { // ... else use defaults:
290 switch($cmd) {
291 case 'ts_images':
292 $value = $this->TS_images_db($value);
293 break;
294 case 'ts_reglinks':
295 $value = $this->TS_reglinks($value,'db');
296 break;
297 case 'ts_links':
298 $value = $this->TS_links_db($value);
299 break;
300 case 'ts_preserve':
301 $value = $this->TS_preserve_db($value);
302 break;
303 case 'ts_transform':
304 case 'css_transform':
305 $value = str_replace(chr(13),'',$value); // Has a very disturbing effect, so just remove all '13' - depend on '10'
306 $this->allowedClasses = t3lib_div::trimExplode(',',strtoupper($this->procOptions['allowedClasses']),1);
307 $value = $this->TS_transform_db($value,$cmd=='css_transform');
308 break;
309 case 'ts_strip':
310 $value = $this->TS_strip_db($value);
311 break;
312 default:
313 break;
314 }
315 }
316 }
317 // ->RTE
318 if ($direction=='rte') {
319 // Checking for user defined transformation:
320 if ($_classRef = $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_parsehtml_proc.php']['transformation'][$cmd]) {
321 $_procObj = &t3lib_div::getUserObj($_classRef);
322 $_procObj->pObj = &$this;
323 $value = $_procObj->transform_rte($value,$this);
324 } else { // ... else use defaults:
325 switch($cmd) {
326 case 'ts_images':
327 $value = $this->TS_images_rte($value);
328 break;
329 case 'ts_reglinks':
330 $value = $this->TS_reglinks($value,'rte');
331 break;
332 case 'ts_links':
333 $value = $this->TS_links_rte($value);
334 break;
335 case 'ts_preserve':
336 $value = $this->TS_preserve_rte($value);
337 break;
338 case 'ts_transform':
339 case 'css_transform':
340 $value = str_replace(chr(13),'',$value); // Has a very disturbing effect, so just remove all '13' - depend on '10'
341 $value = $this->TS_transform_rte($value,$cmd=='css_transform');
342 break;
343 default:
344 break;
345 }
346 }
347 }
348 }
349
350 // In an exit-cleaner was configured, pass value through the HTMLcleaner with that:
351 if (is_array($exit_HTMLparser)) {
352 $value = $this->HTMLcleaner($value,$exit_HTMLparser[0],$exit_HTMLparser[1],$exit_HTMLparser[2],$exit_HTMLparser[3]);
353 }
354
355 // Final clean up of linebreaks:
356 if (!$this->procOptions['disableUnifyLineBreaks']) {
357 $value = str_replace(chr(13).chr(10),chr(10),$value); // Make sure no \r\n sequences has entered in the meantime...
358 $value = str_replace(chr(10),chr(13).chr(10),$value); // ... and then change all \n into \r\n
359 }
360
361 // Return value:
362 return $value;
363 }
364
365
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377
378
379
380 /************************************
381 *
382 * Specific RTE TRANSFORMATION functions
383 *
384 *************************************/
385
386 /**
387 * Transformation handler: 'ts_images' / direction: "db"
388 * Processing images inserted in the RTE.
389 * This is used when content goes from the RTE to the database.
390 * Images inserted in the RTE has an absolute URL applied to the src attribute. This URL is converted to a relative URL
391 * If it turns out that the URL is from another website than the current the image is read from that external URL and moved to the local server.
392 * Also "magic" images are processed here.
393 *
394 * @param string The content from RTE going to Database
395 * @return string Processed content
396 */
397 function TS_images_db($value) {
398
399 // Split content by <img> tags and traverse the resulting array for processing:
400 $imgSplit = $this->splitTags('img',$value);
401 foreach($imgSplit as $k => $v) {
402 if ($k%2) { // image found, do processing:
403
404 // Init
405 $attribArray = $this->get_tag_attributes_classic($v,1);
406 $siteUrl = $this->siteUrl();
407 $absRef = trim($attribArray['src']); // It's always a absolute URL coming from the RTE into the Database.
408
409 // External image from another URL? In that case, fetch image (unless disabled feature).
410 if (!t3lib_div::isFirstPartOfStr($absRef,$siteUrl) && !$this->procOptions['dontFetchExtPictures']) {
411 $externalFile = $this->getUrl($absRef); // Get it
412 if ($externalFile) {
413 $pU = parse_url($absRef);
414 $pI=pathinfo($pU['path']);
415
416 if (t3lib_div::inList('gif,png,jpeg,jpg',strtolower($pI['extension']))) {
417 $filename = t3lib_div::shortMD5($absRef).'.'.$pI['extension'];
418 $origFilePath = PATH_site.$this->rteImageStorageDir().'RTEmagicP_'.$filename;
419 $C_origFilePath = PATH_site.$this->rteImageStorageDir().'RTEmagicC_'.$filename.'.'.$pI['extension'];
420 if (!@is_file($origFilePath)) {
421 t3lib_div::writeFile($origFilePath,$externalFile);
422 t3lib_div::writeFile($C_origFilePath,$externalFile);
423 }
424 $absRef = $siteUrl.$this->rteImageStorageDir().'RTEmagicC_'.$filename.'.'.$pI['extension'];
425
426 $attribArray['src']=$absRef;
427 $params = t3lib_div::implodeParams($attribArray,1);
428 $imgSplit[$k] = '<img '.$params.' />';
429 }
430 }
431 }
432 // Check image as local file (siteURL equals the one of the image)
433 if (t3lib_div::isFirstPartOfStr($absRef,$siteUrl)) {
434 $path = rawurldecode(substr($absRef,strlen($siteUrl))); // Rel-path, rawurldecoded for special characters.
435 $filepath = t3lib_div::getFileAbsFileName($path); // Abs filepath, locked to relative path of this project.
436
437 // Check file existence (in relative dir to this installation!)
438 if ($filepath && @is_file($filepath)) {
439
440 // If "magic image":
441 $pathPre=$this->rteImageStorageDir().'RTEmagicC_';
442 if (t3lib_div::isFirstPartOfStr($path,$pathPre)) {
443 // Find original file:
444 $pI=pathinfo(substr($path,strlen($pathPre)));
445 $filename = substr($pI['basename'],0,-strlen('.'.$pI['extension']));
446 $origFilePath = PATH_site.$this->rteImageStorageDir().'RTEmagicP_'.$filename;
447 if (@is_file($origFilePath)) {
448 $imgObj = t3lib_div::makeInstance('t3lib_stdGraphic');
449 $imgObj->init();
450 $imgObj->mayScaleUp=0;
451 $imgObj->tempPath=PATH_site.$imgObj->tempPath;
452
453 $curInfo = $imgObj->getImageDimensions($filepath); // Image dimensions of the current image
454 $curWH = $this->getWHFromAttribs($attribArray); // Image dimensions as set in the image tag
455 // Compare dimensions:
456 if ($curWH[0]!=$curInfo[0] || $curWH[1]!=$curInfo[1]) {
457 $origImgInfo = $imgObj->getImageDimensions($origFilePath); // Image dimensions of the current image
458 $cW = $curWH[0];
459 $cH = $curWH[1];
460 $cH = 1000; // Make the image based on the width solely...
461 $imgI = $imgObj->imageMagickConvert($origFilePath,$pI['extension'],$cW.'m',$cH.'m');
462 if ($imgI[3]) {
463 $fI=pathinfo($imgI[3]);
464 @copy($imgI[3],$filepath); // Override the child file
465 unset($attribArray['style']);
466 $attribArray['width']=$imgI[0];
467 $attribArray['height']=$imgI[1];
468 if (!$attribArray['border']) $attribArray['border']=0;
469 $params = t3lib_div::implodeParams($attribArray,1);
470 $imgSplit[$k]='<img '.$params.' />';
471 }
472 }
473 }
474
475 } elseif ($this->procOptions['plainImageMode']) { // If "plain image" has been configured:
476
477 // Image dimensions as set in the image tag
478 $curWH = $this->getWHFromAttribs($attribArray);
479 $attribArray['width'] = $curWH[0];
480 $attribArray['height'] = $curWH[1];
481
482 // Forcing values for style and border:
483 unset($attribArray['style']);
484 if (!$attribArray['border']) $attribArray['border'] = 0;
485
486 // Finding dimensions of image file:
487 $fI = @getimagesize($filepath);
488
489 // Perform corrections to aspect ratio based on configuration:
490 switch((string)$this->procOptions['plainImageMode']) {
491 case 'lockDimensions':
492 $attribArray['width']=$fI[0];
493 $attribArray['height']=$fI[1];
494 break;
495 case 'lockRatioWhenSmaller': // If the ratio has to be smaller, then first set the width...:
496 if ($attribArray['width']>$fI[0]) $attribArray['width'] = $fI[0];
497 case 'lockRatio':
498 if ($fI[0]>0) {
499 $attribArray['height']=round($attribArray['width']*($fI[1]/$fI[0]));
500 }
501 break;
502 }
503
504 // Compile the image tag again:
505 $params = t3lib_div::implodeParams($attribArray,1);
506 $imgSplit[$k]='<img '.$params.' />';
507 }
508 } else { // Remove image if it was not found in a proper position on the server!
509
510 // Commented out; removing the image tag might not be that logical...
511 #$imgSplit[$k]='';
512 }
513 }
514
515 // Convert abs to rel url
516 if ($imgSplit[$k]) {
517 $attribArray=$this->get_tag_attributes_classic($imgSplit[$k],1);
518 $absRef = trim($attribArray['src']);
519 if (t3lib_div::isFirstPartOfStr($absRef,$siteUrl)) {
520 $attribArray['src'] = $this->relBackPath.substr($absRef,strlen($siteUrl));
521 if (!isset($attribArray['alt'])) $attribArray['alt']=''; // Must have alt-attribute for XHTML compliance.
522 $imgSplit[$k]='<img '.t3lib_div::implodeParams($attribArray,1,1).' />';
523 }
524 }
525 }
526 }
527 return implode('',$imgSplit);
528 }
529
530 /**
531 * Transformation handler: 'ts_images' / direction: "rte"
532 * Processing images from database content going into the RTE.
533 * Processing includes converting the src attribute to an absolute URL.
534 *
535 * @param string Content input
536 * @return string Content output
537 */
538 function TS_images_rte($value) {
539
540 // Split content by <img> tags and traverse the resulting array for processing:
541 $imgSplit = $this->splitTags('img',$value);
542 foreach($imgSplit as $k => $v) {
543 if ($k%2) { // image found:
544
545 // Init
546 $attribArray=$this->get_tag_attributes_classic($v,1);
547 $siteUrl = $this->siteUrl();
548 $absRef = trim($attribArray['src']);
549
550 // Unless the src attribute is already pointing to an external URL:
551 if (strtolower(substr($absRef,0,4))!='http') {
552 $attribArray['src'] = $siteUrl.substr($attribArray['src'],strlen($this->relBackPath));
553 if (!isset($attribArray['alt'])) $attribArray['alt']='';
554 $params = t3lib_div::implodeParams($attribArray);
555 $imgSplit[$k]='<img '.$params.' />';
556 }
557 }
558 }
559
560 // return processed content:
561 return implode('',$imgSplit);
562 }
563
564 /**
565 * Transformation handler: 'ts_reglinks' / direction: "db"+"rte" depending on $direction variable.
566 * Converting <A>-tags to/from abs/rel
567 *
568 * @param string Content input
569 * @param string Direction of conversion; "rte" (from database to RTE) or "db" (from RTE to database)
570 * @return string Content output
571 */
572 function TS_reglinks($value,$direction) {
573 switch($direction) {
574 case 'rte':
575 return $this->TS_AtagToAbs($value,1);
576 break;
577 case 'db':
578 $siteURL = $this->siteUrl();
579 $blockSplit = $this->splitIntoBlock('A',$value);
580 reset($blockSplit);
581 while(list($k,$v)=each($blockSplit)) {
582 if ($k%2) { // block:
583 $attribArray=$this->get_tag_attributes_classic($this->getFirstTag($v),1);
584 // If the url is local, remove url-prefix
585 if ($siteURL && substr($attribArray['href'],0,strlen($siteURL))==$siteURL) {
586 $attribArray['href']=$this->relBackPath.substr($attribArray['href'],strlen($siteURL));
587 }
588 $bTag='<a '.t3lib_div::implodeParams($attribArray,1).'>';
589 $eTag='</a>';
590 $blockSplit[$k] = $bTag.$this->TS_reglinks($this->removeFirstAndLastTag($blockSplit[$k]),$direction).$eTag;
591 }
592 }
593 return implode('',$blockSplit);
594 break;
595 }
596 }
597
598 /**
599 * Transformation handler: 'ts_links' / direction: "db"
600 * Converting <A>-tags to <LINK tags>
601 *
602 * @param string Content input
603 * @return string Content output
604 * @see TS_links_rte()
605 */
606 function TS_links_db($value) {
607
608 // Split content into <a> tag blocks and process:
609 $blockSplit = $this->splitIntoBlock('A',$value);
610 foreach($blockSplit as $k => $v) {
611 if ($k%2) { // If an A-tag was found:
612 $attribArray = $this->get_tag_attributes_classic($this->getFirstTag($v),1);
613 $info = $this->urlInfoForLinkTags($attribArray['href']);
614
615 // Check options:
616 $attribArray_copy = $attribArray;
617 unset($attribArray_copy['href']);
618 unset($attribArray_copy['target']);
619 unset($attribArray_copy['class']);
620 if ($attribArray_copy['rteerror']) { // Unset "rteerror" and "style" attributes if "rteerror" is set!
621 unset($attribArray_copy['style']);
622 unset($attribArray_copy['rteerror']);
623 }
624 if (!count($attribArray_copy)) { // Only if href, target and class are the only attributes, we can alter the link!
625 // Creating the TYPO3 pseudo-tag "<LINK>" for the link (includes href/url, target and class attributes):
626 $bTag='<LINK '.$info['url'].($attribArray['target']?' '.$attribArray['target']:($attribArray['class']?' -':'')).($attribArray['class']?' '.$attribArray['class']:'').'>';
627 $eTag='</LINK>';
628 $blockSplit[$k] = $bTag.$this->TS_links_db($this->removeFirstAndLastTag($blockSplit[$k])).$eTag;
629 } else { // ... otherwise store the link as a-tag.
630 // Unsetting 'rtekeep' attribute if that had been set.
631 unset($attribArray['rtekeep']);
632 // If the url is local, remove url-prefix
633 $siteURL = $this->siteUrl();
634 if ($siteURL && substr($attribArray['href'],0,strlen($siteURL))==$siteURL) {
635 $attribArray['href']=$this->relBackPath.substr($attribArray['href'],strlen($siteURL));
636 }
637 $bTag='<a '.t3lib_div::implodeParams($attribArray,1).'>';
638 $eTag='</a>';
639 $blockSplit[$k] = $bTag.$this->TS_links_db($this->removeFirstAndLastTag($blockSplit[$k])).$eTag;
640 }
641 }
642 }
643 return implode('',$blockSplit);
644 }
645
646 /**
647 * Transformation handler: 'ts_links' / direction: "rte"
648 * Converting <LINK tags> to <A>-tags
649 *
650 * @param string Content input
651 * @return string Content output
652 * @see TS_links_rte()
653 */
654 function TS_links_rte($value) {
655 $value = $this->TS_AtagToAbs($value);
656
657 // Split content by the TYPO3 pseudo tag "<LINK>":
658 $blockSplit = $this->splitIntoBlock('link',$value,1);
659 foreach($blockSplit as $k => $v) {
660 $error = '';
661 if ($k%2) { // block:
662 $tagCode = t3lib_div::trimExplode(' ',trim(substr($this->getFirstTag($v),0,-1)),1);
663 $link_param = $tagCode[1];
664 $href = '';
665 $siteUrl = $this->siteUrl();
666 // Parsing the typolink data. This parsing is roughly done like in tslib_content->typolink()
667 if(strstr($link_param,'@')) { // mailadr
668 $href = 'mailto:'.eregi_replace('^mailto:','',$link_param);
669 } elseif (substr($link_param,0,1)=='#') { // check if anchor
670 $href = $siteUrl.$link_param;
671 } else {
672 $fileChar=intval(strpos($link_param, '/'));
673 $urlChar=intval(strpos($link_param, '.'));
674
675 // Detects if a file is found in site-root OR is a simulateStaticDocument.
676 list($rootFileDat) = explode('?',$link_param);
677 $rFD_fI = pathinfo($rootFileDat);
678 if (trim($rootFileDat) && !strstr($link_param,'/') && (@is_file(PATH_site.$rootFileDat) || t3lib_div::inList('php,html,htm',strtolower($rFD_fI['extension'])))) {
679 $href = $siteUrl.$link_param;
680 } elseif($urlChar && (strstr($link_param,'//') || !$fileChar || $urlChar<$fileChar)) { // url (external): If doubleSlash or if a '.' comes before a '/'.
681 if (!ereg('^[a-z]*://',trim(strtolower($link_param)))) {$scheme='http://';} else {$scheme='';}
682 $href = $scheme.$link_param;
683 } elseif($fileChar) { // file (internal)
684 $href = $siteUrl.$link_param;
685 } else { // integer or alias (alias is without slashes or periods or commas, that is 'nospace,alphanum_x,lower,unique' according to tables.php!!)
686 $link_params_parts = explode('#',$link_param);
687 $idPart = trim($link_params_parts[0]); // Link-data del
688 if (!strcmp($idPart,'')) { $idPart=$this->recPid; } // If no id or alias is given, set it to class record pid
689 if ($link_params_parts[1] && !$sectionMark) {
690 $sectionMark = '#'.trim($link_params_parts[1]);
691 }
692 // Splitting the parameter by ',' and if the array counts more than 1 element it's a id/type/? pair
693 $pairParts = t3lib_div::trimExplode(',',$idPart);
694 if (count($pairParts)>1) {
695 $idPart = $pairParts[0];
696 // Type ? future support for?
697 }
698 // Checking if the id-parameter is an alias.
699 if (!t3lib_div::testInt($idPart)) {
700 list($idPartR) = t3lib_BEfunc::getRecordsByField('pages','alias',$idPart);
701 $idPart = intval($idPartR['uid']);
702 }
703 $page = t3lib_BEfunc::getRecord('pages', $idPart);
704 if (is_array($page)) { // Page must exist...
705 $href = $siteUrl.'?id='.$link_param;
706 } else {
707 #$href = '';
708 $href = $siteUrl.'?id='.$link_param;
709 $error = 'No page found: '.$idPart;
710 }
711 }
712 }
713
714 // Setting the A-tag:
715 $bTag = '<a href="'.htmlspecialchars($href).'"'.
716 ($tagCode[2]&&$tagCode[2]!='-' ? ' target="'.htmlspecialchars($tagCode[2]).'"' : '').
717 ($tagCode[3] ? ' class="'.htmlspecialchars($tagCode[3]).'"' : '').
718 ($error ? ' rteerror="'.htmlspecialchars($error).'" style="background-color: yellow; border:2px red solid; color: black;"' : ''). // Should be OK to add the style; the transformation back to databsae will remove it...
719 '>';
720 $eTag = '</a>';
721 $blockSplit[$k] = $bTag.$this->TS_links_rte($this->removeFirstAndLastTag($blockSplit[$k])).$eTag;
722 }
723 }
724
725 // Return content:
726 return implode('',$blockSplit);
727 }
728
729 /**
730 * Preserve special tags
731 *
732 * @param string Content input
733 * @return string Content output
734 */
735 function TS_preserve_db($value) {
736 if (!$this->preserveTags) return $value;
737
738 // Splitting into blocks for processing (span-tags are used for special tags)
739 $blockSplit = $this->splitIntoBlock('span',$value);
740 foreach($blockSplit as $k => $v) {
741 if ($k%2) { // block:
742 $attribArray=$this->get_tag_attributes_classic($this->getFirstTag($v));
743 if ($attribArray['specialtag']) {
744 $theTag = rawurldecode($attribArray['specialtag']);
745 $theTagName = $this->getFirstTagName($theTag);
746 $blockSplit[$k] = $theTag.$this->removeFirstAndLastTag($blockSplit[$k]).'</'.$theTagName.'>';
747 }
748 }
749 }
750 return implode('',$blockSplit);
751 }
752
753 /**
754 * Preserve special tags
755 *
756 * @param string Content input
757 * @return string Content output
758 */
759 function TS_preserve_rte($value) {
760 if (!$this->preserveTags) return $value;
761
762 $blockSplit = $this->splitIntoBlock($this->preserveTags,$value);
763 foreach($blockSplit as $k => $v) {
764 if ($k%2) { // block:
765 $blockSplit[$k] = '<span specialtag="'.rawurlencode($this->getFirstTag($v)).'">'.$this->removeFirstAndLastTag($blockSplit[$k]).'</span>';
766 }
767 }
768 return implode('',$blockSplit);
769 }
770
771 /**
772 * Transformation handler: 'ts_transform' + 'css_transform' / direction: "db"
773 * Cleaning (->db) for standard content elements (ts)
774 *
775 * @param string Content input
776 * @param boolean If true, the transformation was "css_transform", otherwise "ts_transform"
777 * @return string Content output
778 * @see TS_transform_rte()
779 */
780 function TS_transform_db($value,$css=FALSE) {
781
782 // safety... so forever loops are avoided (they should not occur, but an error would potentially do this...)
783 $this->TS_transform_db_safecounter--;
784 if ($this->TS_transform_db_safecounter<0) return $value;
785
786 // Split the content from RTE by the occurence of these blocks:
787 $blockSplit = $this->splitIntoBlock('TABLE,BLOCKQUOTE,'.$this->headListTags,$value);
788
789 $cc=0;
790 $aC = count($blockSplit);
791
792 // Traverse the blocks
793 foreach($blockSplit as $k => $v) {
794 $cc++;
795 $lastBR = $cc==$aC ? '' : chr(10);
796
797 if ($k%2) { // Inside block:
798
799 // Init:
800 $tag=$this->getFirstTag($v);
801 $tagName=strtolower($this->getFirstTagName($v));
802
803 // Process based on the tag:
804 switch($tagName) {
805 case 'blockquote': // Keep blockquotes, but clean the inside recursively in the same manner as the main code
806 $blockSplit[$k]='<'.$tagName.'>'.$this->TS_transform_db($this->removeFirstAndLastTag($blockSplit[$k]),$css).'</'.$tagName.'>'.$lastBR;
807 break;
808 case 'ol':
809 case 'ul': // Transform lists into <typolist>-tags:
810 if (!$css) {
811 if (!isset($this->procOptions['typolist']) || $this->procOptions['typolist']) {
812 $parts = $this->getAllParts($this->splitIntoBlock('LI',$this->removeFirstAndLastTag($blockSplit[$k])),1,0);
813 while(list($k2)=each($parts)) {
814 $parts[$k2]=ereg_replace(chr(10).'|'.chr(13),'',$parts[$k2]); // remove all linesbreaks!
815 $parts[$k2]=$this->defaultTStagMapping($parts[$k2],'db');
816 $parts[$k2]=$this->cleanFontTags($parts[$k2],0,0,0);
817 $parts[$k2] = $this->HTMLcleaner_db($parts[$k2],strtolower($this->procOptions['allowTagsInTypolists']?$this->procOptions['allowTagsInTypolists']:'br,font,b,i,u,a,img,span,strong,em'));
818 }
819 if ($tagName=='ol') { $params=' type="1"'; } else { $params=''; }
820 $blockSplit[$k]='<typolist'.$params.'>'.chr(10).implode(chr(10),$parts).chr(10).'</typolist>'.$lastBR;
821 }
822 } else {
823 $blockSplit[$k].=$lastBR;
824 }
825 break;
826 case 'table': // Tables are NOT allowed in any form (unless preserveTables is set or CSS is the mode)
827 if (!$this->procOptions['preserveTables'] && !$css) {
828 $blockSplit[$k]=$this->TS_transform_db($this->removeTables($blockSplit[$k]));
829 } else {
830 $blockSplit[$k]=str_replace(chr(10),'',$blockSplit[$k]).$lastBR;
831 }
832 break;
833 case 'h1':
834 case 'h2':
835 case 'h3':
836 case 'h4':
837 case 'h5':
838 case 'h6':
839 if (!$css) {
840 $attribArray=$this->get_tag_attributes_classic($tag);
841 // Processing inner content here:
842 $innerContent = $this->HTMLcleaner_db($this->removeFirstAndLastTag($blockSplit[$k]));
843
844 if (!isset($this->procOptions['typohead']) || $this->procOptions['typohead']) {
845 $type = intval(substr($tagName,1));
846 $blockSplit[$k]='<typohead'.
847 ($type!=6?' type="'.$type.'"':'').
848 ($attribArray['align']?' align="'.$attribArray['align'].'"':'').
849 ($attribArray['class']?' class="'.$attribArray['class'].'"':'').
850 '>'.
851 $innerContent.
852 '</typohead>'.
853 $lastBR;
854 } else {
855 $blockSplit[$k]='<'.$tagName.
856 ($attribArray['align']?' align="'.htmlspecialchars($attribArray['align']).'"':'').
857 ($attribArray['class']?' class="'.htmlspecialchars($attribArray['class']).'"':'').
858 '>'.
859 $innerContent.
860 '</'.$tagName.'>'.
861 $lastBR;
862 }
863 } else {
864 $blockSplit[$k].=$lastBR;
865 }
866 break;
867 default:
868 $blockSplit[$k].=$lastBR;
869 break;
870 }
871 } else { // NON-block:
872 if (strcmp(trim($blockSplit[$k]),'')) {
873 $blockSplit[$k]=$this->divideIntoLines($blockSplit[$k]).$lastBR;
874 } else unset($blockSplit[$k]);
875 }
876 }
877 $this->TS_transform_db_safecounter++;
878
879 return implode('',$blockSplit);
880 }
881
882 /**
883 * Transformation handler: 'ts_transform' + 'css_transform' / direction: "rte"
884 * Set (->rte) for standard content elements (ts)
885 *
886 * @param string Content input
887 * @param boolean If true, the transformation was "css_transform", otherwise "ts_transform"
888 * @return string Content output
889 * @see TS_transform_db()
890 */
891 function TS_transform_rte($value,$css=0) {
892
893 // Split the content from Database by the occurence of these blocks:
894 $blockSplit = $this->splitIntoBlock('TABLE,BLOCKQUOTE,TYPOLIST,TYPOHEAD,'.$this->headListTags,$value);
895
896 // Traverse the blocks
897 foreach($blockSplit as $k => $v) {
898 if ($k%2) { // Inside one of the blocks:
899
900 // Init:
901 $tag = $this->getFirstTag($v);
902 $tagName = strtolower($this->getFirstTagName($v));
903 $attribArray = $this->get_tag_attributes_classic($tag);
904
905 // Based on tagname, we do transformations:
906 switch($tagName) {
907 case 'blockquote': // Keep blockquotes:
908 $blockSplit[$k] = $tag.
909 $this->TS_transform_rte($this->removeFirstAndLastTag($blockSplit[$k]),$css).
910 '</'.$tagName.'>';
911 break;
912 case 'typolist': // Transform typolist blocks into OL/UL lists. Type 1 is expected to be numerical block
913 if (!isset($this->procOptions['typolist']) || $this->procOptions['typolist']) {
914 $tListContent = $this->removeFirstAndLastTag($blockSplit[$k]);
915 $tListContent = ereg_replace('^[ ]*'.chr(10),'',$tListContent);
916 $tListContent = ereg_replace(chr(10).'[ ]*$','',$tListContent);
917 $lines = explode(chr(10),$tListContent);
918 $typ = $attribArray['type']==1 ? 'ol' : 'ul';
919 $blockSplit[$k] = '<'.$typ.'>'.chr(10).
920 '<li>'.implode('</li>'.chr(10).'<li>',$lines).'</li>'.
921 '</'.$typ.'>';
922 }
923 break;
924 case 'typohead': // Transform typohead into Hx tags.
925 if (!isset($this->procOptions['typohead']) || $this->procOptions['typohead']) {
926 $tC = $this->removeFirstAndLastTag($blockSplit[$k]);
927 $typ = t3lib_div::intInRange($attribArray['type'],0,6);
928 if (!$typ) $typ=6;
929 $align = $attribArray['align']?' align="'.$attribArray['align'].'"': '';
930 $class = $attribArray['class']?' class="'.$attribArray['class'].'"': '';
931 $blockSplit[$k] = '<h'.$typ.$align.$class.'>'.
932 $tC.
933 '</h'.$typ.'>';
934 }
935 break;
936 }
937 $blockSplit[$k+1] = ereg_replace('^[ ]*'.chr(10),'',$blockSplit[$k+1]); // Removing linebreak if typohead
938 } else { // NON-block:
939 $nextFTN = $this->getFirstTagName($blockSplit[$k+1]);
940 $singleLineBreak = $blockSplit[$k]==chr(10);
941 if (t3lib_div::inList('TABLE,BLOCKQUOTE,TYPOLIST,TYPOHEAD,'.$this->headListTags,$nextFTN)) { // Removing linebreak if typolist/typohead
942 $blockSplit[$k] = ereg_replace(chr(10).'[ ]*$','',$blockSplit[$k]);
943 }
944 // If $blockSplit[$k] is blank then unset the line. UNLESS the line happend to be a single line break.
945 if (!strcmp($blockSplit[$k],'') && !$singleLineBreak) {
946 unset($blockSplit[$k]);
947 } else {
948 $blockSplit[$k] = $this->setDivTags($blockSplit[$k],($this->procOptions['useDIVasParagraphTagForRTE']?'div':'p'));
949 }
950 }
951 }
952 return implode(chr(10),$blockSplit);
953 }
954
955 /**
956 * Transformation handler: 'ts_strip' / direction: "db"
957 * Removing all non-allowed tags
958 *
959 * @param string Content input
960 * @return string Content output
961 */
962 function TS_strip_db($value) {
963 $value = strip_tags($value,'<'.implode('><',explode(',','b,i,u,a,img,br,div,center,pre,font,hr,sub,sup,p,strong,em,li,ul,ol,blockquote')).'>');
964 return $value;
965 }
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980 /***************************************************************
981 *
982 * Generic RTE transformation, analysis and helper functions
983 *
984 **************************************************************/
985
986 /**
987 * Reads the file or url $url and returns the content
988 *
989 * @param string Filepath/URL to read
990 * @return string The content from the resource given as input.
991 * @see t3lib_div::getURL()
992 */
993 function getURL($url) {
994 return t3lib_div::getURL($url);
995 }
996
997 /**
998 * Function for cleaning content going into the database.
999 * Content is cleaned eg. by removing unallowed HTML and ds-HSC content
1000 * It is basically calling HTMLcleaner from the parent class with some preset configuration specifically set up for cleaning content going from the RTE into the db
1001 *
1002 * @param string Content to clean up
1003 * @param string Comma list of tags to specifically allow. Default comes from getKeepTags and is ""
1004 * @return string Clean content
1005 * @see getKeepTags()
1006 */
1007 function HTMLcleaner_db($content,$tagList='') {
1008 if (!$tagList) {
1009 $keepTags = $this->getKeepTags('db');
1010 } else {
1011 $keepTags = $this->getKeepTags('db',$tagList);
1012 }
1013 $kUknown = $this->procOptions['dontRemoveUnknownTags_db'] ? 1 : 0; // Default: remove unknown tags.
1014 $hSC = $this->procOptions['dontUndoHSC_db'] ? 0 : -1; // Default: re-convert literals to characters (that is &lt; to <)
1015
1016 return $this->HTMLcleaner($content,$keepTags,$kUknown,$hSC);
1017 }
1018
1019 /**
1020 * Creates an array of configuration for the HTMLcleaner function based on whether content go TO or FROM the Rich Text Editor ($direction)
1021 * 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)
1022 *
1023 * @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)
1024 * @param string Comma list of tags to keep (overriding default which is to keep all + take notice of internal configuration)
1025 * @return array Configuration array
1026 * @see HTMLcleaner_db()
1027 */
1028 function getKeepTags($direction='rte',$tagList='') {
1029 if (!is_array($this->getKeepTags_cache[$direction]) || $tagList) {
1030
1031 // Setting up allowed tags:
1032 if (strcmp($tagList,'')) { // If the $tagList input var is set, this will take precedence
1033 $keepTags = array_flip(t3lib_div::trimExplode(',',$tagList,1));
1034 } else { // Default is to get allowed/denied tags from internal array of processing options:
1035 // Construct default list of tags to keep:
1036 $typoScript_list = 'b,i,u,a,img,br,div,center,pre,font,hr,sub,sup,p,strong,em,li,ul,ol,blockquote,strike,span';
1037 $keepTags = array_flip(t3lib_div::trimExplode(',',$typoScript_list.','.strtolower($this->procOptions['allowTags']),1));
1038
1039 // For tags to deny, remove them from $keepTags array:
1040 $denyTags = t3lib_div::trimExplode(',',$this->procOptions['denyTags'],1);
1041 foreach($denyTags as $dKe) {
1042 unset($keepTags[$dKe]);
1043 }
1044 }
1045
1046 // Based on the direction of content, set further options:
1047 switch ($direction) {
1048
1049 // GOING from database to Rich Text Editor:
1050 case 'rte':
1051 // Transform bold/italics tags to strong/em
1052 if (isset($keepTags['b'])) {$keepTags['b']=array('remap'=>'STRONG');}
1053 if (isset($keepTags['i'])) {$keepTags['i']=array('remap'=>'EM');}
1054
1055 // 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.
1056 list($keepTags) = $this->HTMLparserConfig($this->procOptions['HTMLparser_rte.'],$keepTags);
1057 break;
1058
1059 // GOING from RTE to database:
1060 case 'db':
1061 // Transform strong/em back to bold/italics:
1062 if (isset($keepTags['strong'])) { $keepTags['strong']=array('remap'=>'b'); }
1063 if (isset($keepTags['em'])) { $keepTags['em']=array('remap'=>'i'); }
1064
1065 // Setting up span tags if they are allowed:
1066 if (isset($keepTags['span'])) {
1067 $classes=array_merge(array(''),$this->allowedClasses);
1068 $keepTags['span']=array(
1069 'allowedAttribs'=>'class',
1070 'fixAttrib' => Array(
1071 'class' => Array (
1072 'list' => $classes,
1073 'removeIfFalse' => 1
1074 )
1075 ),
1076 'rmTagIfNoAttrib' => 1
1077 );
1078 if (!$this->procOptions['allowedClasses']) unset($keepTags['span']['fixAttrib']['class']['list']);
1079 }
1080
1081 // Setting up font tags if they are allowed:
1082 if (isset($keepTags['font'])) {
1083 $colors=array_merge(array(''),t3lib_div::trimExplode(',',$this->procOptions['allowedFontColors'],1));
1084 $keepTags['font']=array(
1085 'allowedAttribs'=>'face,color,size',
1086 'fixAttrib' => Array(
1087 'face' => Array (
1088 'removeIfFalse' => 1
1089 ),
1090 'color' => Array (
1091 'removeIfFalse' => 1,
1092 'list'=>$colors
1093 ),
1094 'size' => Array (
1095 'removeIfFalse' => 1,
1096 )
1097 ),
1098 'rmTagIfNoAttrib' => 1
1099 );
1100 if (!$this->procOptions['allowedFontColors']) unset($keepTags['font']['fixAttrib']['color']['list']);
1101 }
1102
1103 // Setting further options, getting them from the processiong options:
1104 $TSc = $this->procOptions['HTMLparser_db.'];
1105 if (!$TSc['globalNesting']) $TSc['globalNesting']='b,i,u,a,center,font,sub,sup,strong,em,strike,span';
1106 if (!$TSc['noAttrib']) $TSc['noAttrib']='b,i,u,br,center,hr,sub,sup,strong,em,li,ul,ol,blockquote,strike';
1107
1108 // Transforming the array from TypoScript to regular array:
1109 list($keepTags) = $this->HTMLparserConfig($TSc,$keepTags);
1110 break;
1111 }
1112
1113 // Caching (internally, in object memory) the result unless tagList is set:
1114 if (!$tagList) {
1115 $this->getKeepTags_cache[$direction] = $keepTags;
1116 } else {
1117 return $keepTags;
1118 }
1119 }
1120
1121 // Return result:
1122 return $this->getKeepTags_cache[$direction];
1123 }
1124
1125 /**
1126 * This resolves the $value into parts based on <div></div>-sections and <p>-sections and <br />-tags. These are returned as lines separated by chr(10).
1127 * This point is to resolve the HTML-code returned from RTE into ordinary lines so it's 'human-readable'
1128 * The function ->setDivTags does the opposite.
1129 * This function processes content to go into the database.
1130 *
1131 * @param string Value to process.
1132 * @param integer Recursion brake. Decremented on each recursion down to zero. Default is 5 (which equals the allowed nesting levels of p/div tags).
1133 * @param boolean If true, an array with the lines is returned, otherwise a string of the processed input value.
1134 * @return string Processed input value.
1135 * @see setDivTags()
1136 */
1137 function divideIntoLines($value,$count=5,$returnArray=FALSE) {
1138
1139 // Internalize font tags (move them from OUTSIDE p/div to inside it that is the case):
1140 if ($this->procOptions['internalizeFontTags']) {$value = $this->internalizeFontTags($value);}
1141
1142 // Setting configuration for processing:
1143 $allowTagsOutside = t3lib_div::trimExplode(',',strtolower($this->procOptions['allowTagsOutside']?$this->procOptions['allowTagsOutside']:'img'),1);
1144 $remapParagraphTag = strtoupper($this->procOptions['remapParagraphTag']);
1145 $divSplit = $this->splitIntoBlock('div,p',$value,1); // Setting the third param to 1 will eliminate false end-tags. Maybe this is a good thing to do...?
1146
1147 if ($this->procOptions['keepPDIVattribs']) {
1148 $keepAttribListArr = t3lib_div::trimExplode(',',strtolower($this->procOptions['keepPDIVattribs']),1);
1149 } else {
1150 $keepAttribListArr = array();
1151 }
1152
1153 // Returns plainly the value if there was no div/p sections in it
1154 if (count($divSplit)<=1 || $count<=0) {
1155 return $value;
1156 }
1157
1158 // Traverse the splitted sections:
1159 foreach($divSplit as $k => $v) {
1160 if ($k%2) { // Inside
1161 $v=$this->removeFirstAndLastTag($v);
1162
1163 // Fetching 'sub-lines' - which will explode any further p/div nesting...
1164 $subLines = $this->divideIntoLines($v,$count-1,1);
1165 if (is_array($subLines)) { // So, if there happend to be sub-nesting of p/div, this is written directly as the new content of THIS section. (This would be considered 'an error')
1166 // No noting.
1167 } else { //... but if NO subsection was found, we process it as a TRUE line without erronous content:
1168 $subLines = array($subLines);
1169 if (!$this->procOptions['dontConvBRtoParagraph']) { // process break-tags, if configured for. Simply, the breaktags will here be treated like if each was a line of content...
1170 $subLines = spliti('<br[[:space:]]*[\/]?>',$v);
1171 }
1172
1173 // Traverse sublines (there is typically one, except if <br/> has been converted to lines as well!)
1174 reset($subLines);
1175 while(list($sk)=each($subLines)) {
1176
1177 // Clear up the subline for DB.
1178 $subLines[$sk]=$this->HTMLcleaner_db($subLines[$sk]);
1179
1180 // Get first tag, attributes etc:
1181 $fTag = $this->getFirstTag($divSplit[$k]);
1182 $tagName=strtolower($this->getFirstTagName($divSplit[$k]));
1183 $attribs=$this->get_tag_attributes($fTag);
1184
1185 // Keep attributes (lowercase)
1186 $newAttribs=array();
1187 if (count($keepAttribListArr)) {
1188 foreach($keepAttribListArr as $keepA) {
1189 if (isset($attribs[0][$keepA])) { $newAttribs[$keepA] = $attribs[0][$keepA]; }
1190 }
1191 }
1192
1193 // ALIGN attribute:
1194 if (!$this->procOptions['skipAlign'] && strcmp(trim($attribs[0]['align']),'') && strtolower($attribs[0]['align'])!='left') { // Set to value, but not 'left'
1195 $newAttribs['align']=strtolower($attribs[0]['align']);
1196 }
1197
1198 // CLASS attribute:
1199 if (!$this->procOptions['skipClass'] && strcmp(trim($attribs[0]['class']),'')) { // Set to whatever value
1200 if (!count($this->allowedClasses) || in_array(strtoupper($attribs[0]['class']),$this->allowedClasses)) {
1201 $newAttribs['class']=$attribs[0]['class'];
1202 }
1203 }
1204
1205 // Remove any line break char (10 or 13)
1206 $subLines[$sk]=ereg_replace(chr(10).'|'.chr(13),'',$subLines[$sk]);
1207
1208 // If there are any attributes or if we are supposed to remap the tag, then do so:
1209 if (count($newAttribs) && strcmp($remapParagraphTag,'1')) {
1210 if ($remapParagraphTag=='P') $tagName='p';
1211 if ($remapParagraphTag=='DIV') $tagName='div';
1212 $subLines[$sk]='<'.trim($tagName.' '.$this->compileTagAttribs($newAttribs)).'>'.$subLines[$sk].'</'.$tagName.'>';
1213 }
1214 }
1215 }
1216 // Add the processed line(s)
1217 $divSplit[$k] = implode(chr(10),$subLines);
1218
1219 // If it turns out the line is just blank (containing a &nbsp; possibly) then just make it pure blank:
1220 if (trim(strip_tags($divSplit[$k]))=='&nbsp;') $divSplit[$k]='';
1221 } else { // outside div:
1222 // Remove positions which are outside div/p tags and without content
1223 $divSplit[$k]=trim(strip_tags($divSplit[$k],'<'.implode('><',$allowTagsOutside).'>'));
1224 if (!strcmp($divSplit[$k],'')) unset($divSplit[$k]); // Remove part if it's empty
1225 }
1226 }
1227
1228 // Return value:
1229 return $returnArray ? $divSplit : implode(chr(10),$divSplit);
1230 }
1231
1232 /**
1233 * Converts all lines into <div></div>/<p></p>-sections (unless the line is a div-section already)
1234 * For processing of content going FROM database TO RTE.
1235 *
1236 * @param string Value to convert
1237 * @param string Tag to wrap with. Either "p" or "div" should it be. Lowercase preferably.
1238 * @return string Processed value.
1239 * @see divideIntoLines()
1240 */
1241 function setDivTags($value,$dT='p') {
1242
1243 // First, setting configuration for the HTMLcleaner function. This will process each line between the <div>/<p> section on their way to the RTE
1244 $keepTags = $this->getKeepTags('rte');
1245 $kUknown = $this->procOptions['dontProtectUnknownTags_rte'] ? 0 : 'protect'; // Default: remove unknown tags.
1246 $hSC = $this->procOptions['dontHSC_rte'] ? 0 : 1; // Default: re-convert literals to characters (that is &lt; to <)
1247 $convNBSP = !$this->procOptions['dontConvAmpInNBSP_rte']?1:0;
1248
1249 // Divide the content into lines, based on chr(10):
1250 $parts = explode(chr(10),$value);
1251 foreach($parts as $k => $v) {
1252
1253 // Processing of line content:
1254 if (!strcmp(trim($parts[$k]),'')) { // If the line is blank, set it to &nbsp;
1255 $parts[$k]='&nbsp;';
1256 } else { // Clean the line content:
1257 $parts[$k]=$this->HTMLcleaner($parts[$k],$keepTags,$kUknown,$hSC);
1258 if ($convNBSP) $parts[$k]=str_replace('&amp;nbsp;','&nbsp;',$parts[$k]);
1259 }
1260
1261 // Wrapping the line in <$dT> is not already wrapped:
1262 $testStr = strtolower(trim($parts[$k]));
1263 if (substr($testStr,0,4)!='<div' || substr($testStr,-6)!='</div>') {
1264 if (substr($testStr,0,2)!='<p' || substr($testStr,-4)!='</p>') {
1265 // Only set p-tags if there is not already div or p tags:
1266 $parts[$k]='<'.$dT.'>'.$parts[$k].'</'.$dT.'>';
1267 }
1268 }
1269 }
1270
1271 // Implode result:
1272 return implode(chr(10),$parts);
1273 }
1274
1275 /**
1276 * This splits the $value in font-tag chunks.
1277 * If there are any <P>/<DIV> sections inside of them, the font-tag is wrapped AROUND the content INSIDE of the P/DIV sections and the outer font-tag is removed.
1278 * This functions seems to be a good choice for pre-processing content if it has been pasted into the RTE from eg. star-office.
1279 * In that case the font-tags are normally on the OUTSIDE of the sections.
1280 * This function is used by eg. divideIntoLines() if the procesing option 'internalizeFontTags' is set.
1281 *
1282 * @param string Input content
1283 * @return string Output content
1284 * @see divideIntoLines()
1285 */
1286 function internalizeFontTags($value) {
1287
1288 // Splitting into font tag blocks:
1289 $fontSplit = $this->splitIntoBlock('font',$value);
1290
1291 foreach($fontSplit as $k => $v) {
1292 if ($k%2) { // Inside
1293 $fTag = $this->getFirstTag($v); // Fint font-tag
1294
1295 $divSplit_sub = $this->splitIntoBlock('div,p',$this->removeFirstAndLastTag($v),1);
1296 if (count($divSplit_sub)>1) { // If there were div/p sections inside the font-tag, do something about it...
1297 // traverse those sections:
1298 foreach($divSplit_sub as $k2 => $v2) {
1299 if ($k2%2) { // Inside
1300 $div_p = $this->getFirstTag($v2); // Fint font-tag
1301 $div_p_tagname = $this->getFirstTagName($v2); // Fint font-tag
1302 $v2=$this->removeFirstAndLastTag($v2); // ... and remove it from original.
1303 $divSplit_sub[$k2]=$div_p.$fTag.$v2.'</font>'.'</'.$div_p_tagname.'>';
1304 } elseif (trim(strip_tags($v2))) {
1305 $divSplit_sub[$k2]=$fTag.$v2.'</font>';
1306 }
1307 }
1308 $fontSplit[$k]=implode('',$divSplit_sub);
1309 }
1310 }
1311 }
1312
1313 return implode('',$fontSplit);
1314 }
1315
1316 /**
1317 * Returns SiteURL based on thisScript.
1318 *
1319 * @return string Value of t3lib_div::getIndpEnv('TYPO3_SITE_URL');
1320 * @see t3lib_div::getIndpEnv()
1321 */
1322 function siteUrl() {
1323 return t3lib_div::getIndpEnv('TYPO3_SITE_URL');
1324 }
1325
1326 /**
1327 * Return the storage folder of RTE image files.
1328 * Default is $GLOBALS['TYPO3_CONF_VARS']['BE']['RTE_imageStorageDir'] unless something else is configured in the types configuration for the RTE.
1329 *
1330 * @return string
1331 */
1332 function rteImageStorageDir() {
1333 return $this->rte_p['imgpath'] ? $this->rte_p['imgpath'] : $GLOBALS['TYPO3_CONF_VARS']['BE']['RTE_imageStorageDir'];
1334 }
1335
1336 /**
1337 * Remove all tables from incoming code
1338 * The function is trying to to this is some more or less respectfull way. The approach is to resolve each table cells content and implode it all by <br /> chars. Thus at least the content is preserved in some way.
1339 *
1340 * @param string Input value
1341 * @param string Break character to use for linebreaks.
1342 * @return string Output value
1343 */
1344 function removeTables($value,$breakChar='<br />') {
1345
1346 // Splitting value into table blocks:
1347 $tableSplit = $this->splitIntoBlock('table',$value);
1348
1349 // Traverse blocks of tables:
1350 foreach($tableSplit as $k => $v) {
1351 if ($k%2) {
1352 $tableSplit[$k]='';
1353 $rowSplit = $this->splitIntoBlock('tr',$v);
1354 foreach($rowSplit as $k2 => $v2) {
1355 if ($k2%2) {
1356 $cellSplit = $this->getAllParts($this->splitIntoBlock('td',$v2),1,0);
1357 foreach($cellSplit as $k3 => $v3) {
1358 $tableSplit[$k].=$v3.$breakChar;
1359 }
1360 }
1361 }
1362 }
1363 }
1364
1365 // Implode it all again:
1366 return implode($breakChar,$tableSplit);
1367 }
1368
1369 /**
1370 * Default tag mapping for TS
1371 *
1372 * @param string Input code to process
1373 * @param string Direction To databsae (db) or from database to RTE (rte)
1374 * @return string Processed value
1375 */
1376 function defaultTStagMapping($code,$direction='rte') {
1377 if ($direction=='db') {
1378 $code=$this->mapTags($code,array( // Map tags
1379 'strong' => 'b',
1380 'em' => 'i'
1381 ));
1382 }
1383 if ($direction=='rte') {
1384 $code=$this->mapTags($code,array( // Map tags
1385 'b' => 'strong',
1386 'i' => 'em'
1387 ));
1388 }
1389 return $code;
1390 }
1391
1392 /**
1393 * Finds width and height from attrib-array
1394 * If the width and height is found in the style-attribute, use that!
1395 *
1396 * @param array Array of attributes from tag in which to search. More specifically the content of the key "style" is used to extract "width:xxx / height:xxx" information
1397 * @return array Integer w/h in key 0/1. Zero is returned if not found.
1398 */
1399 function getWHFromAttribs($attribArray) {
1400 $style =trim($attribArray['style']);
1401 if ($style) {
1402 $regex='[[:space:]]*:[[:space:]]*([0-9]*)[[:space:]]*px';
1403 // Width
1404 eregi('width'.$regex,$style,$reg);
1405 $w = intval($reg[1]);
1406 // Height
1407 eregi('height'.$regex,$style,$reg);
1408 $h = intval($reg[1]);
1409 }
1410 if (!$w) {
1411 $w = $attribArray['width'];
1412 }
1413 if (!$h) {
1414 $h = $attribArray['height'];
1415 }
1416 return array(intval($w),intval($h));
1417 }
1418
1419 /**
1420 * Parse <A>-tag href and return status of email,external,file or page
1421 *
1422 * @param string URL to analyse.
1423 * @return array Information in an array about the URL
1424 */
1425 function urlInfoForLinkTags($url) {
1426 $info = array();
1427 $url = trim($url);
1428 if (substr(strtolower($url),0,7)=='mailto:') {
1429 $info['url']=trim(substr($url,7));
1430 $info['type']='email';
1431 } else {
1432 $curURL = $this->siteUrl(); // 100502, removed this: 'http://'.t3lib_div::getThisUrl(); Reason: The url returned had typo3/ in the end - should be only the site's url as far as I see...
1433 for($a=0;$a<strlen($url);$a++) {
1434 if ($url[$a]!=$curURL[$a]) {
1435 break;
1436 }
1437 }
1438
1439 $info['relScriptPath']=substr($curURL,$a);
1440 $info['relUrl']=substr($url,$a);
1441 $info['url']=$url;
1442 $info['type']='ext';
1443
1444 $siteUrl_parts = parse_url($url);
1445 $curUrl_parts = parse_url($curURL);
1446
1447 if ($siteUrl_parts['host']==$curUrl_parts['host'] // Hosts should match
1448 && (!$info['relScriptPath'] || (defined('TYPO3_mainDir') && substr($info['relScriptPath'],0,strlen(TYPO3_mainDir))==TYPO3_mainDir))) { // If the script path seems to match or is empty (FE-EDIT)
1449
1450 // New processing order 100502
1451 $uP=parse_url($info['relUrl']);
1452
1453 if (!strcmp('#'.$siteUrl_parts['fragment'],$info['relUrl'])) {
1454 $info['url']=$info['relUrl'];
1455 $info['type']='anchor';
1456 } elseif (!trim($uP['path']) || !strcmp($uP['path'],'index.php')) {
1457 $pp = explode('id=',$uP['query']);
1458 $id = trim($pp[1]);
1459 if ($id) {
1460 $info['pageid']=$id;
1461 $info['cElement']=$uP['fragment'];
1462 $info['url']=$id.($info['cElement']?'#'.$info['cElement']:'');
1463 $info['type']='page';
1464 }
1465 } else {
1466 $info['url']=$info['relUrl'];
1467 $info['type']='file';
1468 }
1469 } else {
1470 unset($info['relScriptPath']);
1471 unset($info['relUrl']);
1472 }
1473 }
1474 return $info;
1475 }
1476
1477 /**
1478 * Converting <A>-tags to absolute URLs (+ setting rtekeep attribute)
1479 *
1480 * @param string Content input
1481 * @param boolean If true, then the "rtekeep" attribute will not be set.
1482 * @return string Content output
1483 */
1484 function TS_AtagToAbs($value,$dontSetRTEKEEP=FALSE) {
1485 $blockSplit = $this->splitIntoBlock('A',$value);
1486 reset($blockSplit);
1487 while(list($k,$v)=each($blockSplit)) {
1488 if ($k%2) { // block:
1489 $attribArray = $this->get_tag_attributes_classic($this->getFirstTag($v),1);
1490
1491 // Checking if there is a scheme, and if not, prepend the current url.
1492 if (strlen($attribArray['href'])) { // ONLY do this if href has content - the <a> tag COULD be an anchor and if so, it should be preserved...
1493 $uP = parse_url(strtolower($attribArray['href']));
1494 if (!$uP['scheme']) {
1495 $attribArray['href'] = $this->siteUrl().substr($attribArray['href'],strlen($this->relBackPath));
1496 }
1497 } else {
1498 $attribArray['rtekeep'] = 1;
1499 }
1500 if (!$dontSetRTEKEEP) $attribArray['rtekeep'] = 1;
1501
1502 $bTag='<a '.t3lib_div::implodeParams($attribArray,1).'>';
1503 $eTag='</a>';
1504 $blockSplit[$k] = $bTag.$this->TS_AtagToAbs($this->removeFirstAndLastTag($blockSplit[$k])).$eTag;
1505 }
1506 }
1507 return implode('',$blockSplit);
1508 }
1509 }
1510
1511
1512 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_parsehtml_proc.php']) {
1513 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_parsehtml_proc.php']);
1514 }
1515 ?>