fixed a comment in t3lib_matchcondition
[Packages/TYPO3.CMS.git] / t3lib / class.t3lib_matchcondition.php
1 <?php
2 /***************************************************************
3 * Copyright notice
4 *
5 * (c) 1999-2006 Kasper Skaarhoj (kasperYYYY@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 * Contains class for Matching TypoScript conditions
29 *
30 * $Id$
31 * Revised for TYPO3 3.6 July/2003 by Kasper Skaarhoj
32 *
33 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
34 */
35 /**
36 * [CLASS/FUNCTION INDEX of SCRIPT]
37 *
38 *
39 *
40 * 80: class t3lib_matchCondition
41 * 87: function __construct()
42 * 105: function t3lib_matchCondition()
43 * 115: function match($condition_line)
44 * 160: function evalConditionStr($string)
45 * 381: function testNumber($test,$value)
46 * 405: function matchWild($haystack,$needle)
47 * 429: function whichDevice($useragent)
48 * 498: function browserInfo($useragent)
49 * 611: function browserInfo_version($tmp)
50 * 624: function getGlobal($var, $source=NULL)
51 * 658: function getGP_ENV_TSFE($var)
52 *
53 * TOTAL FUNCTIONS: 11
54 * (This index is automatically created/updated by the extension "extdeveval")
55 *
56 */
57
58
59
60
61
62
63
64
65
66
67
68
69 /**
70 * Matching TypoScript conditions
71 *
72 * Used with the TypoScript parser.
73 * Matches browserinfo, IPnumbers for use with templates
74 *
75 * @author Kasper Skaarhoj <kasperYYYY@typo3.com>
76 * @package TYPO3
77 * @subpackage t3lib
78 * @see t3lib_TStemplate::matching(), t3lib_TStemplate::generateConfig()
79 */
80 class t3lib_matchCondition {
81 var $matchAlternative=array(); // If this array has elements, the matching returns true if a whole "matchline" is found in the array!
82 var $matchAll=0; // If set all is matched!
83
84 var $altRootLine=array();
85 var $hookObjectsArr = array();
86
87 /**
88 * Constructor for this class
89 *
90 * @return void
91 */
92 function __construct() {
93 global $TYPO3_CONF_VARS;
94
95 // Usage (ext_localconf.php):
96 // $TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_matchcondition.php']['matchConditionClass'][] =
97 // 'EXT:my_ext/class.browserinfo.php:MyBrowserInfoClass';
98 if (is_array($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_matchcondition.php']['matchConditionClass'])) {
99 foreach ($TYPO3_CONF_VARS['SC_OPTIONS']['t3lib/class.t3lib_matchcondition.php']['matchConditionClass'] as $classRef) {
100 $this->hookObjectsArr[] = &t3lib_div::getUserObj($classRef, '');
101 }
102 }
103 }
104
105 /**
106 * Constructor for this class
107 *
108 * @return void
109 */
110 function t3lib_matchCondition() {
111 $this->__construct();
112 }
113
114 /**
115 * Matching TS condition
116 *
117 * @param string Line to match
118 * @return boolean True if matched
119 */
120 function match($condition_line) {
121 if ($this->matchAll) {
122 return true;
123 }
124 if (count($this->matchAlternative)) {
125 return in_array($condition_line, $this->matchAlternative);
126 }
127
128 // Getting the value from inside of the wrapping square brackets of the condition line:
129 $insideSqrBrackets = substr(trim($condition_line), 1, strlen($condition_line) - 2);
130 $insideSqrBrackets = preg_replace('/\]\s*OR\s*\[/i', ']||[', $insideSqrBrackets);
131 $insideSqrBrackets = preg_replace('/\]\s*AND\s*\[/i', ']&&[', $insideSqrBrackets);
132
133 // The "weak" operator "||" (OR) takes precedence: backwards compatible, [XYZ][ZYX] does still work as OR
134 $orParts = preg_split('/\]\s*(\|\|){0,1}\s*\[/',$insideSqrBrackets);
135
136 foreach ($orParts as $partString) {
137 $matches = false;
138
139 // Splits by the "&&" (AND) operator:
140 $andParts = preg_split('/\]\s*&&\s*\[/',$partString);
141 foreach ($andParts as $condStr) {
142 $matches = $this->evalConditionStr($condStr);
143 if ($matches===false) {
144 break; // only true AND true = true, so we have to break here
145 }
146 }
147
148 if ($matches===true) {
149 break; // true OR false = true, so we break if we have a positive result
150 }
151 }
152
153 return $matches;
154 }
155
156
157 /**
158 * Evaluates a TypoScript condition given as input, eg. "[browser=net][...(other conditions)...]"
159 *
160 * @param string The condition to match against its criterias.
161 * @return boolean Returns true or false based on the evaluation.
162 * @see t3lib_tsparser::parse()
163 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=292&cHash=c6c7d43d2f
164 */
165 function evalConditionStr($string) {
166 if (!is_array($this->altRootLine)) {
167 $this->altRootLine = array();
168 }
169 list($key, $value) = explode('=', $string, 2);
170 $key = trim($key);
171 if (stristr(',browser,version,system,useragent,', ",$key,")) {
172 $browserInfo = $this->browserInfo(t3lib_div::getIndpEnv('HTTP_USER_AGENT'));
173 }
174 $value = trim($value);
175 switch ($key) {
176 case 'browser':
177 $values = explode(',',$value);
178 while(list(,$test)=each($values)) {
179 if (strstr($browserInfo['browser'].$browserInfo['version'],trim($test))) {
180 return true;
181 }
182 }
183 break;
184 case 'version':
185 $values = explode(',',$value);
186 while(list(,$test)=each($values)) {
187 $test = trim($test);
188 if (strlen($test)) {
189 if (strcspn($test,'=<>')==0) {
190 switch(substr($test,0,1)) {
191 case '=':
192 if (doubleval(substr($test,1))==$browserInfo['version']) return true;
193 break;
194 case '<':
195 if (doubleval(substr($test,1))>$browserInfo['version']) return true;
196 break;
197 case '>':
198 if (doubleval(substr($test,1))<$browserInfo['version']) return true;
199 break;
200 }
201 } else {
202 if (strpos(' '.$browserInfo['version'],$test)==1) {return true;}
203 }
204 }
205 }
206 break;
207 case 'system':
208 $values = explode(',',$value);
209 while(list(,$test)=each($values)) {
210 $test = trim($test);
211 if (strlen($test)) {
212 if (strpos(' '.$browserInfo['system'],$test)==1) {return true;}
213 }
214 }
215 break;
216 case 'device':
217 $values = explode(',',$value);
218 if (!isset($this->deviceInfo)) {
219 $this->deviceInfo = $this->whichDevice(t3lib_div::getIndpEnv('HTTP_USER_AGENT'));
220 }
221 while(list(,$test)=each($values)) {
222 $test = trim($test);
223 if (strlen($test)) {
224 if ($this->deviceInfo==$test) {return true;}
225 }
226 }
227 break;
228 case 'useragent':
229 $test = trim($value);
230 if (strlen($test)) {
231 return $this->matchWild($browserInfo['useragent'],$test);
232 }
233 break;
234 case 'language':
235 $values = explode(',',$value);
236 while(list(,$test)=each($values)) {
237 $test = trim($test);
238 if (strlen($test)) {
239 if (preg_match('/^\*.+\*$/',$test)) {
240 $allLanguages = split('[,;]',t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE'));
241 if (in_array(substr($test,1,-1), $allLanguages)) {return true;}
242 } else {
243 if (t3lib_div::getIndpEnv('HTTP_ACCEPT_LANGUAGE') == $test) {return true;}
244 }
245 }
246 }
247 break;
248 case 'IP':
249 if (t3lib_div::cmpIP(t3lib_div::getIndpEnv('REMOTE_ADDR'), $value)) {return true;}
250 break;
251 case 'hostname':
252 if (t3lib_div::cmpFQDN(t3lib_div::getIndpEnv('REMOTE_ADDR'), $value)) {return true;}
253 break;
254 // hour, minute, dayofweek, dayofmonth, month
255 case 'hour':
256 case 'minute':
257 case 'dayofweek':
258 case 'dayofmonth':
259 case 'month':
260 $theEvalTime = $GLOBALS['SIM_EXEC_TIME']; // In order to simulate time properly in templates.
261 switch($key) {
262 case 'hour': $theTestValue = date('H',$theEvalTime); break;
263 case 'minute': $theTestValue = date('i',$theEvalTime); break;
264 case 'dayofweek': $theTestValue = date('w',$theEvalTime); break;
265 case 'dayofmonth': $theTestValue = date('d',$theEvalTime); break;
266 case 'month': $theTestValue = date('m',$theEvalTime); break;
267 }
268 $theTestValue = intval($theTestValue);
269 // comp
270 $values = explode(',',$value);
271 reset($values);
272 while(list(,$test)=each($values)) {
273 $test = trim($test);
274 if (t3lib_div::testInt($test)) {$test='='.$test;}
275 if (strlen($test)) {
276 if ($this->testNumber($test,$theTestValue)) {return true;}
277 }
278 }
279 break;
280 case 'usergroup':
281 if ($GLOBALS['TSFE']->gr_list!='0,-1') { // '0,-1' is the default usergroups when not logged in!
282 $values = explode(',',$value);
283 while(list(,$test)=each($values)) {
284 $test = trim($test);
285 if (strlen($test)) {
286 if ($test=='*' || t3lib_div::inList($GLOBALS['TSFE']->gr_list,$test)) {return true;}
287 }
288 }
289 }
290 break;
291 case 'loginUser':
292 if ($GLOBALS['TSFE']->loginUser) {
293 $values = explode(',',$value);
294 while(list(,$test)=each($values)) {
295 $test = trim($test);
296 if (strlen($test)) {
297 if ($test=='*' || !strcmp($GLOBALS['TSFE']->fe_user->user['uid'],$test)) {return true;}
298 }
299 }
300 }
301 break;
302 case 'globalVar':
303 $values = explode(',',$value);
304 while(list(,$test)=each($values)) {
305 $test = trim($test);
306 if (strlen($test)) {
307 $point = strcspn($test,'=<>');
308 $theVarName = substr($test,0,$point);
309 $nv = $this->getGP_ENV_TSFE(trim($theVarName));
310 $testValue = substr($test,$point);
311
312 if ($this->testNumber($testValue,$nv)) {return true;}
313 }
314 }
315 break;
316 case 'globalString':
317 $values = explode(',',$value);
318 while(list(,$test)=each($values)) {
319 $test = trim($test);
320 if (strlen($test)) {
321 $point = strcspn($test,'=');
322 $theVarName = substr($test,0,$point);
323 $nv = $this->getGP_ENV_TSFE(trim($theVarName));
324 $testValue = substr($test,$point+1);
325
326 if ($this->matchWild($nv,trim($testValue))) {return true;}
327 }
328 }
329 break;
330 case 'treeLevel':
331 $values = explode(',',$value);
332 $theRootLine = is_array($GLOBALS['TSFE']->tmpl->rootLine) ? $GLOBALS['TSFE']->tmpl->rootLine : $this->altRootLine;
333 $theRLC = count($theRootLine)-1;
334 while(list(,$test)=each($values)) {
335 $test = trim($test);
336 if ($test==$theRLC) { return true; }
337 }
338 break;
339 case 'PIDupinRootline':
340 case 'PIDinRootline':
341 $values = explode(',',$value);
342 if (($key=='PIDinRootline') || (!in_array($GLOBALS['TSFE']->id,$values))) {
343 $theRootLine = is_array($GLOBALS['TSFE']->tmpl->rootLine) ? $GLOBALS['TSFE']->tmpl->rootLine : $this->altRootLine;
344 reset($values);
345 while(list(,$test)=each($values)) {
346 $test = trim($test);
347 reset($theRootLine);
348 while(list($rl_key,$rl_dat)=each($theRootLine)) {
349 if ($rl_dat['uid']==$test) { return true; }
350 }
351 }
352 }
353 break;
354 case 'compatVersion':
355 { return t3lib_div::compat_version($value); }
356 break;
357 case 'userFunc':
358 $values = split('\(|\)',$value);
359 $funcName=trim($values[0]);
360 $funcValue = t3lib_div::trimExplode(',',$values[1]);
361 $pre = $GLOBALS['TSFE']->TYPO3_CONF_VARS['FE']['userFuncClassPrefix'];
362 if ($pre &&
363 !t3lib_div::isFirstPartOfStr(trim($funcName),$pre) &&
364 !t3lib_div::isFirstPartOfStr(trim($funcName),'tx_')
365 ) {
366 if (is_object($GLOBALS['TT'])) $GLOBALS['TT']->setTSlogMessage('Match condition: Function "'.$funcName.'" was not prepended with "'.$pre.'"',3);
367 return false;
368 }
369 if (function_exists($funcName) && call_user_func($funcName, $funcValue[0])) {
370 return true;
371 }
372 break;
373 }
374
375
376 return false;
377 }
378
379 /**
380 * Will evaluate a $value based on an operator: "<", ">" or "=" (default)
381 *
382 * @param string The value to compare with on the form [operator][number]. Eg. "< 123"
383 * @param integer The number
384 * @return boolean If $value is "50" and $test is "< 123" then it will return true.
385 */
386 function testNumber($test,$value) {
387 $test = trim($test);
388 switch(substr($test,0,1)) {
389 case '<':
390 if (doubleval(substr($test,1))>$value) return true;
391 break;
392 case '>':
393 if (doubleval(substr($test,1))<$value) return true;
394 break;
395 default:
396 if (trim(substr($test,1))==$value) return true;
397 break;
398 }
399
400 return false;
401 }
402
403 /**
404 * Matching two strings against each other, supporting a "*" wildcard or (if wrapped in "/") PCRE regular expressions
405 *
406 * @param string The string in which to find $needle.
407 * @param string The string to find in $haystack
408 * @return boolean Returns true if $needle matches or is found in (according to wildcards) in $haystack. Eg. if $haystack is "Netscape 6.5" and $needle is "Net*" or "Net*ape" then it returns true.
409 */
410 function matchWild($haystack,$needle) {
411 if ($needle && $haystack) {
412 if (preg_match('/^\/.+\/$/', $needle)) { // Looks like a regular expression
413 $regex = $needle;
414 } else {
415 $needle = str_replace(array('*','?'), array('###MANY###','###ONE###'), $needle);
416 $regex = '/^'.preg_quote($needle,'/').'$/';
417 $regex = str_replace(array('###MANY###','###ONE###'), array('.*','.'), $regex); // Replace the marker with .* to match anything (wildcard)
418 }
419
420 if (preg_match($regex, $haystack)) return true;
421 }
422
423 return false;
424 }
425
426 /**
427 * Returns a code for a browsing device based on the input useragent string
428 *
429 * @param string User agent string from browser, t3lib_div::getIndpEnv('HTTP_USER_AGENT')
430 * @return string A code. See link.
431 * @access private
432 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=296&cHash=a8ae66c7d6
433 */
434 function whichDevice($useragent) {
435 foreach($this->hookObjectsArr as $hookObj) {
436 if (method_exists($hookObj, 'whichDevice')) {
437 $result = $hookObj->whichDevice($useragent);
438 if (strlen($result)) {
439 return $result;
440 }
441 }
442 }
443
444 // deprecated, see above
445 if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_matchcondition.php']['devices_class'])) {
446 foreach($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_matchcondition.php']['devices_class'] as $_classRef) {
447 $_procObj = &t3lib_div::getUserObj($_classRef);
448 return $_procObj->whichDevice_ext($useragent);
449 }
450 }
451 //
452
453 $agent=strtolower(trim($useragent));
454 // pda
455 if( strstr($agent, 'avantgo')) {
456 return 'pda';
457 }
458
459 // wap
460 $browser=substr($agent,0,4);
461 $wapviwer=substr(stristr($agent,'wap'),0,3);
462 if( $wapviwer=='wap' ||
463 $browser=='noki' ||
464 $browser== 'eric' ||
465 $browser== 'r380' ||
466 $browser== 'up.b' ||
467 $browser== 'winw' ||
468 $browser== 'wapa') {
469 return 'wap';
470 }
471
472 // grabber
473 if( strstr($agent, 'g.r.a.b.') ||
474 strstr($agent, 'utilmind httpget') ||
475 strstr($agent, 'webcapture') ||
476 strstr($agent, 'teleport') ||
477 strstr($agent, 'webcopier')) {
478 return 'grabber';
479 }
480
481 // robots
482 if( strstr($agent, 'crawler') ||
483 strstr($agent, 'spider') ||
484 strstr($agent, 'googlebot') ||
485 strstr($agent, 'searchbot') ||
486 strstr($agent, 'infoseek') ||
487 strstr($agent, 'altavista') ||
488 strstr($agent, 'diibot')) {
489 return 'robot';
490 }
491
492 }
493
494 /**
495 * Generates an array with abstracted browser information
496 * This method is used in the function match() in this class
497 *
498 * @param string The useragent string, t3lib_div::getIndpEnv('HTTP_USER_AGENT')
499 * @return array Contains keys "browser", "version", "system"
500 * @access private
501 * @see match()
502 */
503 function browserInfo($useragent) {
504 foreach($this->hookObjectsArr as $hookObj) {
505 if (method_exists($hookObj, 'browserInfo')) {
506 $result = $hookObj->browserInfo($useragent);
507 if (strlen($result)) {
508 return $result;
509 }
510 }
511 }
512
513 $useragent = trim($useragent);
514 $browserInfo=Array();
515 $browserInfo['useragent']=$useragent;
516 if ($useragent) {
517 // browser
518 if (strstr($useragent,'MSIE')) {
519 $browserInfo['browser']='msie';
520 } elseif(strstr($useragent,'Konqueror')) {
521 $browserInfo['browser']='konqueror';
522 } elseif(strstr($useragent,'Opera')) {
523 $browserInfo['browser']='opera';
524 } elseif(strstr($useragent,'Lynx')) {
525 $browserInfo['browser']='lynx';
526 } elseif(strstr($useragent,'PHP')) {
527 $browserInfo['browser']='php';
528 } elseif(strstr($useragent,'AvantGo')) {
529 $browserInfo['browser']='avantgo';
530 } elseif(strstr($useragent,'WebCapture')) {
531 $browserInfo['browser']='acrobat';
532 } elseif(strstr($useragent,'IBrowse')) {
533 $browserInfo['browser']='ibrowse';
534 } elseif(strstr($useragent,'Teleport')) {
535 $browserInfo['browser']='teleport';
536 } elseif(strstr($useragent,'Mozilla')) {
537 $browserInfo['browser']='netscape';
538 } else {
539 $browserInfo['browser']='unknown';
540 }
541 // version
542 switch($browserInfo['browser']) {
543 case 'netscape':
544 $browserInfo['version'] = $this->browserInfo_version(substr($useragent,8));
545 if (strstr($useragent,'Netscape6')) {$browserInfo['version']=6;}
546 break;
547 case 'msie':
548 $tmp = strstr($useragent,'MSIE');
549 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,4));
550 break;
551 case 'opera':
552 $tmp = strstr($useragent,'Opera');
553 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,5));
554 break;
555 case 'lynx':
556 $tmp = strstr($useragent,'Lynx/');
557 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,5));
558 break;
559 case 'php':
560 $tmp = strstr($useragent,'PHP/');
561 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,4));
562 break;
563 case 'avantgo':
564 $tmp = strstr($useragent,'AvantGo');
565 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,7));
566 break;
567 case 'acrobat':
568 $tmp = strstr($useragent,'WebCapture');
569 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,10));
570 break;
571 case 'ibrowse':
572 $tmp = strstr($useragent,'IBrowse/');
573 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,8));
574 break;
575 case 'konqueror':
576 $tmp = strstr($useragent,'Konqueror/');
577 $browserInfo['version'] = $this->browserInfo_version(substr($tmp,10));
578 break;
579 }
580 // system
581 $browserInfo['system']='';
582 if (strstr($useragent,'Win')) {
583 // windows
584 if (strstr($useragent,'Win98') || strstr($useragent,'Windows 98')) {
585 $browserInfo['system']='win98';
586 } elseif (strstr($useragent,'Win95') || strstr($useragent,'Windows 95')) {
587 $browserInfo['system']='win95';
588 } elseif (strstr($useragent,'WinNT') || strstr($useragent,'Windows NT')) {
589 $browserInfo['system']='winNT';
590 } elseif (strstr($useragent,'Win16') || strstr($useragent,'Windows 311')) {
591 $browserInfo['system']='win311';
592 }
593 } elseif (strstr($useragent,'Mac')) {
594 $browserInfo['system']='mac';
595 // unixes
596 } elseif (strstr($useragent,'Linux')) {
597 $browserInfo['system']='linux';
598 } elseif (strstr($useragent,'SGI') && strstr($useragent,' IRIX ')) {
599 $browserInfo['system']='unix_sgi';
600 } elseif (strstr($useragent,' SunOS ')) {
601 $browserInfo['system']='unix_sun';
602 } elseif (strstr($useragent,' HP-UX ')) {
603 $browserInfo['system']='unix_hp';
604 }
605 }
606
607 return $browserInfo;
608 }
609
610 /**
611 * Returns the version of a browser; Basically getting doubleval() of the input string, stripping of any non-numeric values in the beginning of the string first.
612 *
613 * @param string A string with version number, eg. "/7.32 blablabla"
614 * @return double Returns double value, eg. "7.32"
615 */
616 function browserInfo_version($tmp) {
617 return doubleval(preg_replace('/^[^0-9]*/','',$tmp));
618 }
619
620 /**
621 * Return global variable where the input string $var defines array keys separated by "|"
622 * Example: $var = "HTTP_SERVER_VARS | something" will return the value $GLOBALS['HTTP_SERVER_VARS']['something'] value
623 *
624 * @param string Global var key, eg. "HTTP_GET_VAR" or "HTTP_GET_VARS|id" to get the GET parameter "id" back.
625 * @param array Alternative array than $GLOBAL to get variables from.
626 * @return mixed Whatever value. If none, then blank string.
627 * @access private
628 */
629 function getGlobal($var, $source=NULL) {
630 $vars = explode('|',$var);
631 $c = count($vars);
632 $k = trim($vars[0]);
633 $theVar = isset($source) ? $source[$k] : $GLOBALS[$k];
634
635 for ($a=1;$a<$c;$a++) {
636 if (!isset($theVar)) { break; }
637
638 $key = trim($vars[$a]);
639 if (is_object($theVar)) {
640 $theVar = $theVar->$key;
641 } elseif (is_array($theVar)) {
642 $theVar = $theVar[$key];
643 } else {
644 return '';
645 }
646 }
647
648 if (!is_array($theVar) && !is_object($theVar)) {
649 return $theVar;
650 } else {
651 return '';
652 }
653 }
654
655 /**
656 * Returns GP / ENV / TSFE vars
657 *
658 * @param string Identifier
659 * @return mixed The value of the variable pointed to.
660 * @access private
661 * @link http://typo3.org/doc.0.html?&tx_extrepmgm_pi1[extUid]=270&tx_extrepmgm_pi1[tocEl]=311&cHash=487cbd5cdf
662 */
663 function getGP_ENV_TSFE($var) {
664 $vars = explode(':',$var,2);
665 if (count($vars)==1) {
666 $val = $this->getGlobal($var);
667 } else {
668 $splitAgain=explode('|',$vars[1],2);
669 $k=trim($splitAgain[0]);
670 if ($k) {
671 switch((string)trim($vars[0])) {
672 case 'GP':
673 $val = t3lib_div::_GP($k);
674 break;
675 case 'TSFE':
676 $val = $this->getGlobal('TSFE|'.$vars[1]);
677 $splitAgain=0; // getGlobal resolves all parts of the key, so no further splitting is needed
678 break;
679 case 'ENV':
680 $val = getenv($k);
681 break;
682 case 'IENV':
683 $val = t3lib_div::getIndpEnv($k);
684 break;
685 case 'LIT':
686 { return trim($vars[1]); } // return litteral value...
687 break;
688 }
689 // If array:
690 if (count($splitAgain)>1) {
691 if (is_array($val) && trim($splitAgain[1])) {
692 $val=$this->getGlobal($splitAgain[1],$val);
693 } else {
694 $val='';
695 }
696 }
697 }
698 }
699 return $val;
700 }
701 }
702
703
704 if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_matchcondition.php']) {
705 include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['t3lib/class.t3lib_matchcondition.php']);
706 }
707 ?>