1 |
<?php |
2 |
/* |
3 |
* Project: Smarty: the PHP compiling template engine |
4 |
* File: Smarty.class.php |
5 |
* Author: Monte Ohrt <monte@ispi.net> |
6 |
* Andrei Zmievski <andrei@ispi.net> |
7 |
* |
8 |
* Version: 1.3.0 |
9 |
* Copyright: 2001 ispi of Lincoln, Inc. |
10 |
* |
11 |
* This library is free software; you can redistribute it and/or |
12 |
* modify it under the terms of the GNU Lesser General Public |
13 |
* License as published by the Free Software Foundation; either |
14 |
* version 2.1 of the License, or (at your option) any later version. |
15 |
* |
16 |
* This library is distributed in the hope that it will be useful, |
17 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
18 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
19 |
* Lesser General Public License for more details. |
20 |
* |
21 |
* You should have received a copy of the GNU Lesser General Public |
22 |
* License along with this library; if not, write to the Free Software |
23 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
24 |
* |
25 |
* You may contact the authors of Smarty by e-mail at: |
26 |
* monte@ispi.net |
27 |
* andrei@ispi.net |
28 |
* |
29 |
* Or, write to: |
30 |
* Monte Ohrt |
31 |
* CTO, ispi |
32 |
* 237 S. 70th suite 220 |
33 |
* Lincoln, NE 68510 |
34 |
* |
35 |
* The latest version of Smarty can be obtained from: |
36 |
* http://www.phpinsider.com/ |
37 |
* |
38 |
*/ |
39 |
|
40 |
require('Smarty.addons.php'); |
41 |
require("Smarty.local.php"); |
42 |
|
43 |
define("SMARTY_PHP_PASSTHRU",0); |
44 |
define("SMARTY_PHP_QUOTE",1); |
45 |
define("SMARTY_PHP_REMOVE",2); |
46 |
define("SMARTY_PHP_ALLOW",3); |
47 |
|
48 |
class Smarty |
49 |
{ |
50 |
|
51 |
// public vars |
52 |
var $template_dir = './templates'; // name of directory for templates |
53 |
var $compile_dir = './templates_c'; // name of directory for compiled templates |
54 |
var $config_dir = './configs'; // directory where config files are located |
55 |
|
56 |
var $global_assign = array('SCRIPT_NAME'); // variables from the GLOBALS array |
57 |
// that are implicitly assigned |
58 |
// to all templates |
59 |
var $compile_check = true; // whether to check for compiling step or not: |
60 |
// This is generally set to false once the |
61 |
// application is entered into production and |
62 |
// initially compiled. Leave set to true |
63 |
// during development. true/false default true. |
64 |
|
65 |
var $force_compile = false; // force templates to compile every time. |
66 |
// if cache file exists, it will |
67 |
// override compile_check and force_compile. |
68 |
// true/false. default false. |
69 |
var $caching = false; // whether to use caching or not. true/false |
70 |
var $cache_dir = './cache'; // name of directory for template cache |
71 |
var $cache_lifetime = 3600; // number of seconds cached content will persist. |
72 |
// 0 = never expires. default is one hour (3600) |
73 |
|
74 |
var $tpl_file_ext = '.tpl'; // template file extention |
75 |
|
76 |
var $php_handling = SMARTY_PHP_PASSTHRU; // how smarty handles php tags |
77 |
// possible values: |
78 |
// SMARTY_PHP_PASSTHRU -> echo tags as is |
79 |
// SMARTY_PHP_QUOTE -> escape tags as entities |
80 |
// SMARTY_PHP_REMOVE -> remove php tags |
81 |
// SMARTY_PHP_ALLOW -> execute php tags |
82 |
// default: SMARTY_PHP_PASSTHRU |
83 |
|
84 |
var $left_delimiter = '{'; // template tag delimiters. |
85 |
var $right_delimiter = '}'; |
86 |
|
87 |
|
88 |
var $custom_funcs = array( 'html_options' => 'smarty_func_html_options', |
89 |
'html_select_date' => 'smarty_func_html_select_date', |
90 |
'header' => 'smarty_func_header', |
91 |
|
92 |
//----- local custom_funcs |
93 |
'img' => 'smarty_func_img', |
94 |
'html_checkboxes' => 'smarty_func_html_checkboxes', |
95 |
'input' => 'smarty_func_input', |
96 |
'rinput' => 'smarty_func_rinput', |
97 |
'textarea' => 'smarty_func_textarea', |
98 |
|
99 |
); |
100 |
|
101 |
var $custom_mods = array( 'lower' => 'strtolower', |
102 |
'upper' => 'strtoupper', |
103 |
'capitalize' => 'ucwords', |
104 |
'escape' => 'smarty_mod_escape', |
105 |
'truncate' => 'smarty_mod_truncate', |
106 |
'spacify' => 'smarty_mod_spacify', |
107 |
'date_format' => 'smarty_mod_date_format', |
108 |
'string_format' => 'smarty_mod_string_format', |
109 |
'replace' => 'smarty_mod_replace', |
110 |
'strip_tags' => 'smarty_mod_strip_tags', |
111 |
'default' => 'smarty_mod_default', |
112 |
|
113 |
//----- local custom_mods |
114 |
'filesize' => 'smarty_mod_filesize', |
115 |
|
116 |
); |
117 |
|
118 |
// internal vars |
119 |
var $_error_msg = false; // error messages. true/false |
120 |
var $_tpl_vars = array(); |
121 |
var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part |
122 |
var $_literal_blocks = array(); // keeps literal template blocks |
123 |
var $_current_file = null; // the current template being compiled |
124 |
var $_current_line_no = 1; // line number for error messages |
125 |
var $_smarty_md5 = 'f8d698aea36fcbead2b9d5359ffca76f'; // md5 checksum of the string 'Smarty' |
126 |
|
127 |
|
128 |
/*======================================================================*\ |
129 |
Function: Smarty |
130 |
Purpose: Constructor |
131 |
\*======================================================================*/ |
132 |
function Smarty() |
133 |
{ |
134 |
foreach ($this->global_assign as $var_name) |
135 |
$this->assign($var_name, $GLOBALS[$var_name]); |
136 |
} |
137 |
|
138 |
|
139 |
/*======================================================================*\ |
140 |
Function: assign() |
141 |
Purpose: assigns values to template variables |
142 |
\*======================================================================*/ |
143 |
|
144 |
function assign($tpl_var, $value = NULL) |
145 |
{ |
146 |
if (is_array($tpl_var)){ |
147 |
foreach ($tpl_var as $key => $val) { |
148 |
if (!empty($key)) |
149 |
$this->_tpl_vars[$key] = $val; |
150 |
} |
151 |
} else { |
152 |
if (!empty($tpl_var) && isset($value)) |
153 |
$this->_tpl_vars[$tpl_var] = $value; |
154 |
} |
155 |
} |
156 |
|
157 |
|
158 |
/*======================================================================*\ |
159 |
Function: append |
160 |
Purpose: appens values to template variables |
161 |
\*======================================================================*/ |
162 |
function append($tpl_var, $value = NULL) |
163 |
{ |
164 |
if (is_array($tpl_var)) { |
165 |
foreach ($tpl_var as $key => $val) { |
166 |
if (!empty($key)) { |
167 |
if (!is_array($this->_tpl_vars[$key])) |
168 |
settype($this->_tpl_vars[$key], 'array'); |
169 |
$this->_tpl_vars[$key][] = $val; |
170 |
} |
171 |
} |
172 |
} else { |
173 |
if (!empty($tpl_var) && isset($value)) { |
174 |
if (!is_array($this->_tpl_vars[$tpl_var])) |
175 |
settype($this->_tpl_vars[$tpl_var], 'array'); |
176 |
$this->_tpl_vars[$tpl_var][] = $value; |
177 |
} |
178 |
} |
179 |
} |
180 |
|
181 |
|
182 |
/*======================================================================*\ |
183 |
Function: clear_assign() |
184 |
Purpose: clear the given assigned template variable. |
185 |
\*======================================================================*/ |
186 |
|
187 |
function clear_assign($tpl_var) |
188 |
{ |
189 |
if(is_array($tpl_var)) |
190 |
foreach($tpl_var as $curr_var) |
191 |
unset($this->_tpl_vars[$curr_var]); |
192 |
else |
193 |
unset($this->_tpl_vars[$tpl_var]); |
194 |
} |
195 |
|
196 |
|
197 |
/*======================================================================*\ |
198 |
Function: register_function |
199 |
Purpose: Registers custom function to be used in templates |
200 |
\*======================================================================*/ |
201 |
function register_function($function, $function_impl) |
202 |
{ |
203 |
$this->custom_funcs[$function] = $function_impl; |
204 |
} |
205 |
|
206 |
|
207 |
/*======================================================================*\ |
208 |
Function: register_modifier |
209 |
Purpose: Registers modifier to be used in templates |
210 |
\*======================================================================*/ |
211 |
function register_modifier($modifier, $modifier_impl) |
212 |
{ |
213 |
$this->custom_mods[$modifier] = $modifier_impl; |
214 |
} |
215 |
|
216 |
|
217 |
/*======================================================================*\ |
218 |
Function: clear_cache() |
219 |
Purpose: clear cached content for the given template and cache id |
220 |
\*======================================================================*/ |
221 |
|
222 |
function clear_cache($tpl_file, $cache_id = null) |
223 |
{ |
224 |
$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
225 |
$cache_dir = $this->cache_dir.'/'.$cache_tpl_md5; |
226 |
|
227 |
if (!is_dir($cache_dir)) |
228 |
return false; |
229 |
|
230 |
if (isset($cache_id)) { |
231 |
$cache_id_md5 = md5($cache_id); |
232 |
$cache_id_dir = substr($cache_id_md5, 0, 2); |
233 |
$cache_file = "$cache_dir/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
234 |
return (bool)(is_file($cache_file) && unlink($cache_file)); |
235 |
} else |
236 |
return $this->_clear_tpl_cache_dir($cache_tpl_md5); |
237 |
} |
238 |
|
239 |
|
240 |
/*======================================================================*\ |
241 |
Function: clear_all_cache() |
242 |
Purpose: clear the entire contents of cache (all templates) |
243 |
\*======================================================================*/ |
244 |
|
245 |
function clear_all_cache() |
246 |
{ |
247 |
if (!is_dir($this->cache_dir)) |
248 |
return false; |
249 |
|
250 |
$dir_handle = opendir($this->cache_dir); |
251 |
while ($curr_dir = readdir($dir_handle)) { |
252 |
if ($curr_dir == '.' || $curr_dir == '..' || |
253 |
!is_dir($this->cache_dir.'/'.$curr_dir)) |
254 |
continue; |
255 |
|
256 |
$this->_clear_tpl_cache_dir($curr_dir); |
257 |
} |
258 |
closedir($dir_handle); |
259 |
|
260 |
return true; |
261 |
} |
262 |
|
263 |
|
264 |
/*======================================================================*\ |
265 |
Function: is_cached() |
266 |
Purpose: test to see if valid cache exists for this template |
267 |
\*======================================================================*/ |
268 |
|
269 |
function is_cached($tpl_file, $cache_id = null) |
270 |
{ |
271 |
if (!$this->caching) |
272 |
return false; |
273 |
|
274 |
// cache name = template path + cache_id |
275 |
$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
276 |
$cache_id_md5 = md5($cache_id); |
277 |
$cache_id_dir = substr($cache_id_md5, 0, 2); |
278 |
$cache_file = $this->cache_dir."/$cache_tpl_md5/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
279 |
|
280 |
if (file_exists($cache_file) && |
281 |
($this->cache_lifetime == 0 || |
282 |
(time() - filemtime($cache_file) <= $this->cache_lifetime))) |
283 |
return true; |
284 |
else |
285 |
return false; |
286 |
|
287 |
} |
288 |
|
289 |
|
290 |
/*======================================================================*\ |
291 |
Function: clear_all_assign() |
292 |
Purpose: clear all the assigned template variables. |
293 |
\*======================================================================*/ |
294 |
|
295 |
function clear_all_assign() |
296 |
{ |
297 |
$this->_tpl_vars = array(); |
298 |
} |
299 |
|
300 |
|
301 |
/*======================================================================*\ |
302 |
Function: get_template_vars |
303 |
Purpose: Returns an array containing template variables |
304 |
\*======================================================================*/ |
305 |
function &get_template_vars() |
306 |
{ |
307 |
return $this->_tpl_vars; |
308 |
} |
309 |
|
310 |
|
311 |
/*======================================================================*\ |
312 |
Function: display() |
313 |
Purpose: executes & displays the template results |
314 |
\*======================================================================*/ |
315 |
|
316 |
function display($tpl_file, $cache_id = null) |
317 |
{ |
318 |
$this->fetch($tpl_file, $cache_id, true); |
319 |
} |
320 |
|
321 |
/*======================================================================*\ |
322 |
Function: fetch() |
323 |
Purpose: executes & returns or displays the template results |
324 |
\*======================================================================*/ |
325 |
|
326 |
function fetch($tpl_file, $cache_id = null, $display = false) |
327 |
{ |
328 |
global $HTTP_SERVER_VARS; |
329 |
|
330 |
if ($this->caching) { |
331 |
// cache name = template path + cache_id |
332 |
$cache_tpl_md5 = md5(realpath($this->template_dir.'/'.$tpl_file)); |
333 |
$cache_id_md5 = md5($cache_id); |
334 |
$cache_id_dir = substr($cache_id_md5, 0, 2); |
335 |
$cache_file = $this->cache_dir."/$cache_tpl_md5/$cache_id_dir/{$cache_tpl_md5}_$cache_id_md5.cache"; |
336 |
|
337 |
if (file_exists($cache_file) && |
338 |
($this->cache_lifetime == 0 || |
339 |
(time() - filemtime($cache_file) <= $this->cache_lifetime))) { |
340 |
$results = $this->_read_file($cache_file); |
341 |
$results = $this->_process_cached_inserts($results); |
342 |
if ($display) { |
343 |
echo $results; |
344 |
return; |
345 |
} else |
346 |
return $results; |
347 |
} |
348 |
} |
349 |
|
350 |
// compile files |
351 |
$this->_compile($this->template_dir); |
352 |
//assemble compile directory path to file |
353 |
$_compile_file = $this->compile_dir."/".$tpl_file.".php"; |
354 |
|
355 |
extract($this->_tpl_vars); |
356 |
|
357 |
// if we just need to display the results, don't perform output |
358 |
// buffering - for speed |
359 |
if ($display && !$this->caching) |
360 |
include($_compile_file); |
361 |
else { |
362 |
ob_start(); |
363 |
include($_compile_file); |
364 |
$results = ob_get_contents(); |
365 |
ob_end_clean(); |
366 |
} |
367 |
|
368 |
if($this->caching) { |
369 |
$this->_write_file($cache_file, $results, true); |
370 |
$results = $this->_process_cached_inserts($results); |
371 |
} |
372 |
|
373 |
if ($display) { |
374 |
echo $results; |
375 |
return; |
376 |
} else |
377 |
return $results; |
378 |
} |
379 |
|
380 |
/*======================================================================*\ |
381 |
Function: compile() |
382 |
Purpose: called to compile the templates |
383 |
\*======================================================================*/ |
384 |
|
385 |
function _compile($tpl_dir) |
386 |
{ |
387 |
if($this->compile_check || $this->force_compile) |
388 |
{ |
389 |
if($this->_traverse_files($tpl_dir, 0)) |
390 |
return true; |
391 |
else |
392 |
return false; |
393 |
} else |
394 |
return false; |
395 |
} |
396 |
|
397 |
/*======================================================================*\ |
398 |
Function: _traverse_files() |
399 |
Purpose: traverse the template files & process each one |
400 |
\*======================================================================*/ |
401 |
|
402 |
function _traverse_files($tpl_dir, $depth) |
403 |
{ |
404 |
$retval = true; |
405 |
|
406 |
if (is_dir($tpl_dir)) { |
407 |
$dir_handle = opendir($tpl_dir); |
408 |
while ($curr_file = readdir($dir_handle)) { |
409 |
if ($curr_file == '.' || $curr_file == '..') |
410 |
continue; |
411 |
|
412 |
$filepath = $tpl_dir.'/'.$curr_file; |
413 |
if (is_readable($filepath)) { |
414 |
if (is_file($filepath) && substr($curr_file, -strlen($this->tpl_file_ext)) == $this->tpl_file_ext) { |
415 |
if (!$this->_process_file($filepath)) { |
416 |
$retval = false; |
417 |
break; |
418 |
} |
419 |
} else if (is_dir($filepath)) { |
420 |
if (!$this->_traverse_files($filepath, $depth + 1)) { |
421 |
$retval = false; |
422 |
break; |
423 |
} |
424 |
} else { |
425 |
// invalid file type, skipping |
426 |
$this->_set_error_msg("Invalid filetype for $filepath, skipping"); |
427 |
continue; |
428 |
} |
429 |
} |
430 |
} |
431 |
|
432 |
closedir($dir_handle); |
433 |
return $retval; |
434 |
} else { |
435 |
$this->_set_error_msg("Directory \"$tpl_dir\" does not exist or is not a directory."); |
436 |
return false; |
437 |
} |
438 |
} |
439 |
|
440 |
/*======================================================================*\ |
441 |
Function: _process_file() |
442 |
Input: test template files for modifications |
443 |
and execute the compilation for each |
444 |
one requiring it. |
445 |
\*======================================================================*/ |
446 |
|
447 |
function _process_file($filepath) |
448 |
{ |
449 |
if(preg_match("/^(.+)\/([^\/]+)$/", $filepath, $match)) { |
450 |
$tpl_file_dir = $match[1]; |
451 |
$tpl_file_name = $match[2] . '.php'; |
452 |
|
453 |
$compile_dir = preg_replace('!^' . preg_quote($this->template_dir, '!') . '!', |
454 |
$this->compile_dir, $match[1]); |
455 |
|
456 |
//create directory if none exists |
457 |
$this->_create_dir_structure($compile_dir); |
458 |
|
459 |
// compile the template file if none exists or has been modified or recompile is forced |
460 |
if ($this->force_compile || !file_exists($compile_dir."/".$tpl_file_name) || |
461 |
($this->_modified_file($filepath, $compile_dir."/".$tpl_file_name))) { |
462 |
if (!$this->_compile_file($filepath, $compile_dir."/".$tpl_file_name)) |
463 |
return false; |
464 |
} else { |
465 |
// no compilation needed |
466 |
return true; |
467 |
} |
468 |
} else { |
469 |
$this->_set_error_msg("problem matching \"$filepath.\""); |
470 |
return false; |
471 |
} |
472 |
|
473 |
return true; |
474 |
} |
475 |
|
476 |
/*======================================================================*\ |
477 |
Function: _create_dir_structure |
478 |
Purpose: create full directory structure |
479 |
\*======================================================================*/ |
480 |
function _create_dir_structure($dir) |
481 |
{ |
482 |
if (!file_exists($dir)) { |
483 |
$dir_parts = preg_split('!/+!', $dir, -1, PREG_SPLIT_NO_EMPTY); |
484 |
$new_dir = ($dir{0} == '/') ? '/' : ''; |
485 |
foreach ($dir_parts as $dir_part) { |
486 |
$new_dir .= $dir_part; |
487 |
if (!file_exists($new_dir) && !mkdir($new_dir, 0755)) { |
488 |
$this->_set_error_msg("problem creating directory \"$dir\""); |
489 |
return false; |
490 |
} |
491 |
$new_dir .= '/'; |
492 |
} |
493 |
} |
494 |
} |
495 |
|
496 |
/*======================================================================*\ |
497 |
Function: _modified_file() |
498 |
Input: return comparison of modification times of files |
499 |
\*======================================================================*/ |
500 |
|
501 |
function _modified_file($filepath, $compilepath) |
502 |
{ |
503 |
if (filemtime($filepath) >= filemtime($compilepath)) |
504 |
return true; |
505 |
return false; |
506 |
} |
507 |
|
508 |
/*======================================================================*\ |
509 |
Function: _compile_file() |
510 |
Input: compile a template file |
511 |
\*======================================================================*/ |
512 |
|
513 |
function _compile_file($filepath, $compilepath) |
514 |
{ |
515 |
if (!($template_contents = $this->_read_file($filepath))) |
516 |
return false; |
517 |
|
518 |
$this->_current_file = str_replace($this->template_dir . '/', '', $filepath); |
519 |
$this->_current_line_no = 1; |
520 |
$ldq = preg_quote($this->left_delimiter, '!'); |
521 |
$rdq = preg_quote($this->right_delimiter, '!'); |
522 |
|
523 |
/* Pull out the literal blocks. */ |
524 |
preg_match_all("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", $template_contents, $match); |
525 |
$this->_literal_blocks = $match[1]; |
526 |
$template_contents = preg_replace("!{$ldq}literal{$rdq}(.*?){$ldq}/literal{$rdq}!s", |
527 |
'{literal}', $template_contents); |
528 |
|
529 |
/* Gather all template tags. */ |
530 |
preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $template_contents, $match); |
531 |
$template_tags = $match[1]; |
532 |
/* Split content by template tags to obtain non-template content. */ |
533 |
$text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $template_contents); |
534 |
|
535 |
/* TODO: speed up the following with preg_replace and /F once we require that version of PHP */ |
536 |
|
537 |
/* loop through text blocks */ |
538 |
for ($curr_tb = 0; $curr_tb <= count($text_blocks); $curr_tb++) { |
539 |
/* match anything within <? ?> */ |
540 |
if (preg_match_all('!(<\?[^?]*?\?>|<script\s+language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $text_blocks[$curr_tb], $sp_match)) { |
541 |
/* found at least one match, loop through each one */ |
542 |
for ($curr_sp = 0; $curr_sp < count($sp_match[0]); $curr_sp++) { |
543 |
if (preg_match('!^(<\?(php\s|\s|=\s)|<script\s*language\s*=\s*[\"\']?php[\"\']?\s*>)!is', $sp_match[0][$curr_sp])) { |
544 |
/* php tag */ |
545 |
if ($this->php_handling == SMARTY_PHP_PASSTHRU) { |
546 |
/* echo php contents */ |
547 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
548 |
} else if ($this->php_handling == SMARTY_PHP_QUOTE) { |
549 |
/* quote php tags */ |
550 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], htmlspecialchars($sp_match[0][$curr_sp]), $text_blocks[$curr_tb]); |
551 |
} else if ($this->php_handling == SMARTY_PHP_REMOVE) { |
552 |
/* remove php tags */ |
553 |
if (substr($sp_match[0][$curr_sp], 0, 2) == '<?') |
554 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '', $text_blocks[$curr_tb]); |
555 |
else |
556 |
/* attempt to remove everything between <script ...> and </script> */ |
557 |
$text_blocks[$curr_tb] = preg_replace('!'.preg_quote($sp_match[0][$curr_sp], '!').'.*?</script\s*>!is', '', $text_blocks[$curr_tb]); |
558 |
} |
559 |
} else |
560 |
/* echo the non-php tags */ |
561 |
$text_blocks[$curr_tb] = str_replace($sp_match[0][$curr_sp], '<?php echo \''.str_replace("'", "\'", $sp_match[0][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); |
562 |
} |
563 |
} |
564 |
} |
565 |
|
566 |
/* Compile the template tags into PHP code. */ |
567 |
$compiled_tags = array(); |
568 |
for ($i = 0; $i < count($template_tags); $i++) { |
569 |
$this->_current_line_no += substr_count($text_blocks[$i], "\n"); |
570 |
$compiled_tags[] = $this->_compile_tag($template_tags[$i]); |
571 |
$this->_current_line_no += substr_count($template_tags[$i], "\n"); |
572 |
} |
573 |
|
574 |
$compiled_contents = ''; |
575 |
|
576 |
/* Interleave the compiled contents and text blocks to get the final result. */ |
577 |
for ($i = 0; $i < count($compiled_tags); $i++) { |
578 |
$compiled_contents .= $text_blocks[$i].$compiled_tags[$i]; |
579 |
} |
580 |
$compiled_contents .= $text_blocks[$i]; |
581 |
|
582 |
/* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */ |
583 |
if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $compiled_contents, $match)) { |
584 |
$strip_tags = $match[0]; |
585 |
$strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags); |
586 |
$strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified); |
587 |
for ($i = 0; $i < count($strip_tags); $i++) |
588 |
$compiled_contents = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", |
589 |
$strip_tags_modified[$i], $compiled_contents, 1); |
590 |
} |
591 |
|
592 |
if(!$this->_write_file($compilepath, $compiled_contents)) |
593 |
return false; |
594 |
|
595 |
return true; |
596 |
} |
597 |
|
598 |
/*======================================================================*\ |
599 |
Function: _process_cached_inserts |
600 |
Purpose: Replace cached inserts with the actual results |
601 |
\*======================================================================*/ |
602 |
function _process_cached_inserts($results) |
603 |
{ |
604 |
preg_match_all('!'.$this->_smarty_md5.'{insert_cache (.*)}'.$this->_smarty_md5.'!Uis', |
605 |
$results, $match); |
606 |
list($cached_inserts, $insert_args) = $match; |
607 |
|
608 |
for ($i = 0; $i < count($cached_inserts); $i++) { |
609 |
$args = unserialize($insert_args[$i]); |
610 |
$name = $args['name']; |
611 |
unset($args['name']); |
612 |
|
613 |
$function_name = 'insert_' . $name; |
614 |
$replace = $function_name($args); |
615 |
|
616 |
$results = str_replace($cached_inserts[$i], $replace, $results); |
617 |
} |
618 |
|
619 |
return $results; |
620 |
} |
621 |
|
622 |
|
623 |
/*======================================================================*\ |
624 |
Function: _compile_tag |
625 |
Purpose: Compile a template tag |
626 |
\*======================================================================*/ |
627 |
function _compile_tag($template_tag) |
628 |
{ |
629 |
/* Matched comment. */ |
630 |
if ($template_tag{0} == '*' && $template_tag{strlen($template_tag)-1} == '*') |
631 |
return ''; |
632 |
|
633 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
634 |
|
635 |
/* Split tag into two parts: command and the arguments. */ |
636 |
preg_match('/^( |
637 |
(?: ' . $qstr_regexp . ' | (?>[^"\'\s]+))+ |
638 |
) |
639 |
(?:\s+(.*))? |
640 |
/xs', $template_tag, $match); |
641 |
list(, $tag_command, $tag_args) = $match; |
642 |
|
643 |
/* If the tag name matches a variable or section property definition, |
644 |
we simply process it. */ |
645 |
if (preg_match('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // if a variable |
646 |
preg_match('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command) || // or a configuration variable |
647 |
preg_match('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tag_command)) { // or a section property |
648 |
settype($tag_command, 'array'); |
649 |
$this->_parse_vars_props($tag_command); |
650 |
return "<?php echo $tag_command[0]; ?>\n"; |
651 |
} |
652 |
|
653 |
switch ($tag_command) { |
654 |
case 'include': |
655 |
return $this->_compile_include_tag($tag_args); |
656 |
|
657 |
case 'if': |
658 |
return $this->_compile_if_tag($tag_args); |
659 |
|
660 |
case 'else': |
661 |
return '<?php else: ?>'; |
662 |
|
663 |
case 'elseif': |
664 |
return $this->_compile_if_tag($tag_args, true); |
665 |
|
666 |
case '/if': |
667 |
return '<?php endif; ?>'; |
668 |
|
669 |
case 'ldelim': |
670 |
return $this->left_delimiter; |
671 |
|
672 |
case 'rdelim': |
673 |
return $this->right_delimiter; |
674 |
|
675 |
case 'section': |
676 |
array_push($this->_sectionelse_stack, false); |
677 |
return $this->_compile_section_start($tag_args); |
678 |
|
679 |
case 'sectionelse': |
680 |
$this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true; |
681 |
return "<?php endfor; else: ?>"; |
682 |
|
683 |
case '/section': |
684 |
if (array_pop($this->_sectionelse_stack)) |
685 |
return "<?php endif; ?>"; |
686 |
else |
687 |
return "<?php endfor; endif; ?>"; |
688 |
|
689 |
case 'config_load': |
690 |
return $this->_compile_config_load_tag($tag_args); |
691 |
|
692 |
case 'strip': |
693 |
case '/strip': |
694 |
return $this->left_delimiter.$tag_command.$this->right_delimiter; |
695 |
|
696 |
case 'literal': |
697 |
list (,$literal_block) = each($this->_literal_blocks); |
698 |
$this->_current_line_no += substr_count($literal_block, "\n"); |
699 |
return $literal_block; |
700 |
|
701 |
case 'insert': |
702 |
return $this->_compile_insert_tag($tag_args); |
703 |
|
704 |
default: |
705 |
if (isset($this->custom_funcs[$tag_command])) { |
706 |
return $this->_compile_custom_tag($tag_command, $tag_args); |
707 |
} else { |
708 |
$this->_syntax_error("unknown tag - '$tag_command'", E_USER_WARNING); |
709 |
return; |
710 |
} |
711 |
} |
712 |
} |
713 |
|
714 |
function _compile_custom_tag($tag_command, $tag_args) |
715 |
{ |
716 |
$function = $this->custom_funcs[$tag_command]; |
717 |
|
718 |
if (!function_exists($function)) { |
719 |
$this->_syntax_error("custom function '$tag_command' is not implemented", E_USER_WARNING); |
720 |
return; |
721 |
} |
722 |
|
723 |
$attrs = $this->_parse_attrs($tag_args); |
724 |
foreach ($attrs as $arg_name => $arg_value) { |
725 |
if (is_bool($arg_value)) |
726 |
$arg_value = $arg_value ? 'true' : 'false'; |
727 |
$arg_list[] = "'$arg_name' => $arg_value"; |
728 |
} |
729 |
|
730 |
return "<?php $function(array(".implode(',', (array)$arg_list).")); ?>"; |
731 |
} |
732 |
|
733 |
|
734 |
/*======================================================================*\ |
735 |
Function: _compile_insert_tag |
736 |
Purpose: Compile {insert ...} tag |
737 |
\*======================================================================*/ |
738 |
function _compile_insert_tag($tag_args) |
739 |
{ |
740 |
$attrs = $this->_parse_attrs($tag_args); |
741 |
$name = substr($attrs['name'], 1, -1); |
742 |
|
743 |
if (empty($name)) { |
744 |
$this->_syntax_error("missing insert name"); |
745 |
} |
746 |
|
747 |
foreach ($attrs as $arg_name => $arg_value) { |
748 |
if (is_bool($arg_value)) |
749 |
$arg_value = $arg_value ? 'true' : 'false'; |
750 |
$arg_list[] = "'$arg_name' => $arg_value"; |
751 |
} |
752 |
|
753 |
return "<?php echo _smarty_insert_handler(array(".implode(', ', (array)$arg_list)."), \$this->caching, \$this->_smarty_md5); ?>\n"; |
754 |
} |
755 |
|
756 |
|
757 |
/*======================================================================*\ |
758 |
Function: _compile_config_load_tag |
759 |
Purpose: Compile {config_load ...} tag |
760 |
\*======================================================================*/ |
761 |
function _compile_config_load_tag($tag_args) |
762 |
{ |
763 |
$attrs = $this->_parse_attrs($tag_args); |
764 |
|
765 |
if (empty($attrs['file'])) { |
766 |
$this->_syntax_error("missing 'file' attribute in config_load tag"); |
767 |
} |
768 |
|
769 |
$output = "<?php if (!class_exists('Config_File'))\n" . |
770 |
" include_once 'Config_File.class.php';\n" . |
771 |
"if (!is_object(\$_conf_obj) || get_class(\$_conf_obj) != 'config_file') {\n" . |
772 |
" \$_conf_obj = new Config_File('".$this->config_dir."');\n" . |
773 |
"}\n" . |
774 |
"\$_config = array_merge((array)\$_config, \$_conf_obj->get(".$attrs['file']."));\n"; |
775 |
|
776 |
if (!empty($attrs['section'])) |
777 |
$output .= '$_config = array_merge((array)$_config, $_conf_obj->get('.$attrs['file'].', '.$attrs['section'].')); '; |
778 |
|
779 |
$output .= '?>'; |
780 |
|
781 |
return $output; |
782 |
} |
783 |
|
784 |
|
785 |
/*======================================================================*\ |
786 |
Function: _compile_include_tag |
787 |
Purpose: Compile {include ...} tag |
788 |
\*======================================================================*/ |
789 |
function _compile_include_tag($tag_args) |
790 |
{ |
791 |
$attrs = $this->_parse_attrs($tag_args); |
792 |
|
793 |
if (empty($attrs['file'])) { |
794 |
$this->_syntax_error("missing 'file' attribute in include tag"); |
795 |
} else |
796 |
$attrs['file'] = $this->_dequote($attrs['file']); |
797 |
|
798 |
if (count($attrs) > 1) { |
799 |
$include_func_name = uniqid("_include_"); |
800 |
$include_file_name = $this->compile_dir.'/'.$attrs['file']; |
801 |
|
802 |
foreach ($attrs as $arg_name => $arg_value) { |
803 |
if ($arg_name == 'file') continue; |
804 |
if (is_bool($arg_value)) |
805 |
$arg_value = $arg_value ? 'true' : 'false'; |
806 |
$arg_list[] = "'$arg_name' => $arg_value"; |
807 |
} |
808 |
|
809 |
return "<?php " . |
810 |
"if (!function_exists('$include_func_name')) {\n". |
811 |
" function $include_func_name(\$file_name, \$def_vars, \$include_vars)\n" . |
812 |
" {\n" . |
813 |
" extract(\$def_vars);\n" . |
814 |
" extract(\$include_vars);\n" . |
815 |
" include \"\$file_name.php\";\n" . |
816 |
" }\n" . |
817 |
"}\n" . |
818 |
"$include_func_name(\"$include_file_name\", get_defined_vars(), array(".implode(',', (array)$arg_list)."));\n?>"; |
819 |
} else |
820 |
return '<?php include "'.$this->compile_dir.'/'.$attrs['file'].'.php"; ?>'; |
821 |
} |
822 |
|
823 |
|
824 |
/*======================================================================*\ |
825 |
Function: _compile_section_start |
826 |
Purpose: Compile {section ...} tag |
827 |
\*======================================================================*/ |
828 |
function _compile_section_start($tag_args) |
829 |
{ |
830 |
$attrs = $this->_parse_attrs($tag_args); |
831 |
|
832 |
$output = "<?php "; |
833 |
$section_name = $attrs['name']; |
834 |
if (empty($section_name)) { |
835 |
$this->_syntax_error("missing section name"); |
836 |
} |
837 |
|
838 |
$output .= "unset(\$_sections[$section_name]);\n"; |
839 |
$section_props = "\$_sections[$section_name]['properties']"; |
840 |
|
841 |
foreach ($attrs as $attr_name => $attr_value) { |
842 |
switch ($attr_name) { |
843 |
case 'loop': |
844 |
$output .= "{$section_props}['loop'] = is_array($attr_value) ? count($attr_value) : $attr_value;\n"; |
845 |
break; |
846 |
|
847 |
case 'show': |
848 |
if (is_bool($attr_value)) |
849 |
$attr_value = $attr_value ? 'true' : 'false'; |
850 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
851 |
break; |
852 |
|
853 |
default: |
854 |
$output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
855 |
break; |
856 |
} |
857 |
} |
858 |
|
859 |
if (isset($attrs['loop'])) { |
860 |
$loop_check_code = "{$section_props}['loop'] > 0 && "; |
861 |
} else { |
862 |
$output .= "{$section_props}['loop'] = 1;\n"; |
863 |
} |
864 |
|
865 |
if (isset($attrs['show'])) { |
866 |
$show_check_code = "{$section_props}['show'] && "; |
867 |
} else { |
868 |
$output .= "{$section_props}['show'] = {$section_props}['loop'] > 0;\n"; |
869 |
} |
870 |
|
871 |
$output .= "if ($loop_check_code $show_check_code true): "; |
872 |
|
873 |
$output .= " |
874 |
for ({$section_props}['index'] = 0; |
875 |
{$section_props}['index'] < {$section_props}['loop']; |
876 |
{$section_props}['index']++):\n"; |
877 |
$output .= "{$section_props}['rownum'] = {$section_props}['index'] + 1;\n"; |
878 |
|
879 |
$output .= "?>"; |
880 |
|
881 |
return $output; |
882 |
} |
883 |
|
884 |
|
885 |
/*======================================================================*\ |
886 |
Function: _compile_if_tag |
887 |
Purpose: Compile {if ...} tag |
888 |
\*======================================================================*/ |
889 |
function _compile_if_tag($tag_args, $elseif = false) |
890 |
{ |
891 |
/* Tokenize args for 'if' tag. */ |
892 |
preg_match_all('/(?: |
893 |
"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | # match all double quoted strings allowed escaped double quotes |
894 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | # match all single quoted strings allowed escaped single quotes |
895 |
[()] | # match parentheses |
896 |
[^"\'\s()]+ # match any other token that is not any of the above |
897 |
)/x', $tag_args, $match); |
898 |
$tokens = $match[0]; |
899 |
|
900 |
$this->_parse_vars_props($tokens); |
901 |
|
902 |
$is_arg_stack = array(); |
903 |
|
904 |
for ($i = 0; $i < count($tokens); $i++) { |
905 |
$token = &$tokens[$i]; |
906 |
switch ($token) { |
907 |
case 'eq': |
908 |
$token = '=='; |
909 |
break; |
910 |
|
911 |
case 'ne': |
912 |
case 'neq': |
913 |
$token = '!='; |
914 |
break; |
915 |
|
916 |
case 'lt': |
917 |
$token = '<'; |
918 |
break; |
919 |
|
920 |
case 'le': |
921 |
case 'lte': |
922 |
$token = '<='; |
923 |
break; |
924 |
|
925 |
case 'gt': |
926 |
$token = '>'; |
927 |
break; |
928 |
|
929 |
case 'ge': |
930 |
case 'gte': |
931 |
$token = '>='; |
932 |
break; |
933 |
|
934 |
case 'and': |
935 |
$token = '&&'; |
936 |
break; |
937 |
|
938 |
case 'or': |
939 |
$token = '||'; |
940 |
break; |
941 |
|
942 |
case 'not': |
943 |
$token = '!'; |
944 |
break; |
945 |
|
946 |
case 'mod': |
947 |
$token = '%'; |
948 |
break; |
949 |
|
950 |
case '(': |
951 |
array_push($is_arg_stack, $i); |
952 |
break; |
953 |
|
954 |
case 'is': |
955 |
/* If last token was a ')', we operate on the parenthesized |
956 |
expression. The start of the expression is on the stack. |
957 |
Otherwise, we operate on the last encountered token. */ |
958 |
if ($tokens[$i-1] == ')') |
959 |
$is_arg_start = array_pop($is_arg_stack); |
960 |
else |
961 |
$is_arg_start = $i-1; |
962 |
/* Construct the argument for 'is' expression, so it knows |
963 |
what to operate on. */ |
964 |
$is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
965 |
|
966 |
/* Pass all tokens from next one until the end to the |
967 |
'is' expression parsing function. The function will |
968 |
return modified tokens, where the first one is the result |
969 |
of the 'is' expression and the rest are the tokens it |
970 |
didn't touch. */ |
971 |
$new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
972 |
|
973 |
/* Replace the old tokens with the new ones. */ |
974 |
array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
975 |
|
976 |
/* Adjust argument start so that it won't change from the |
977 |
current position for the next iteration. */ |
978 |
$i = $is_arg_start; |
979 |
break; |
980 |
} |
981 |
} |
982 |
|
983 |
if ($elseif) |
984 |
return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
985 |
else |
986 |
return '<?php if ('.implode(' ', $tokens).'): ?>'; |
987 |
} |
988 |
|
989 |
function _parse_is_expr($is_arg, $tokens) |
990 |
{ |
991 |
$expr_end = 0; |
992 |
|
993 |
if (($first_token = array_shift($tokens)) == 'not') { |
994 |
$negate_expr = true; |
995 |
$expr_type = array_shift($tokens); |
996 |
} else |
997 |
$expr_type = $first_token; |
998 |
|
999 |
switch ($expr_type) { |
1000 |
case 'even': |
1001 |
if ($tokens[$expr_end] == 'by') { |
1002 |
$expr_end++; |
1003 |
$expr_arg = $tokens[$expr_end++]; |
1004 |
$expr = "!(($is_arg / $expr_arg) % $expr_arg)"; |
1005 |
} |
1006 |
else |
1007 |
$expr = "!($is_arg % 2)"; |
1008 |
break; |
1009 |
|
1010 |
case 'odd': |
1011 |
if ($tokens[$expr_end] == 'by') { |
1012 |
$expr_end++; |
1013 |
$expr_arg = $tokens[$expr_end++]; |
1014 |
$expr = "(($is_arg / $expr_arg) % $expr_arg)"; |
1015 |
} |
1016 |
else |
1017 |
$expr = "($is_arg % 2)"; |
1018 |
break; |
1019 |
|
1020 |
case 'div': |
1021 |
if ($tokens[$expr_end] == 'by') { |
1022 |
$expr_end++; |
1023 |
$expr_arg = $tokens[$expr_end++]; |
1024 |
$expr = "!($is_arg % $expr_arg)"; |
1025 |
} else { |
1026 |
$this->_syntax_error("expecting 'by' after 'div'"); |
1027 |
} |
1028 |
break; |
1029 |
|
1030 |
default: |
1031 |
$this->_syntax_error("unknown 'is' expression - '$expr_type'"); |
1032 |
break; |
1033 |
} |
1034 |
|
1035 |
if ($negate_expr) { |
1036 |
$expr = "!($expr)"; |
1037 |
} |
1038 |
|
1039 |
array_splice($tokens, 0, $expr_end, $expr); |
1040 |
|
1041 |
return $tokens; |
1042 |
} |
1043 |
|
1044 |
|
1045 |
/*======================================================================*\ |
1046 |
Function: _parse_attrs |
1047 |
Purpose: Parse attribute string |
1048 |
\*======================================================================*/ |
1049 |
function _parse_attrs($tag_args, $quote = true) |
1050 |
{ |
1051 |
/* Tokenize tag attributes. */ |
1052 |
preg_match_all('/(?:"[^"\\\\]*(?:\\\\.[^"\\\\]*)*" | |
1053 |
\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\' | (?>[^"\'=\s]+) |
1054 |
)+ | |
1055 |
[=] |
1056 |
/x', $tag_args, $match); |
1057 |
$tokens = $match[0]; |
1058 |
$var_delims = array('$', '#', '%'); |
1059 |
|
1060 |
$attrs = array(); |
1061 |
/* Parse state: |
1062 |
0 - expecting attribute name |
1063 |
1 - expecting '=' |
1064 |
2 - expecting attribute value (not '=') */ |
1065 |
$state = 0; |
1066 |
|
1067 |
foreach ($tokens as $token) { |
1068 |
switch ($state) { |
1069 |
case 0: |
1070 |
/* If the token is a valid identifier, we set attribute name |
1071 |
and go to state 1. */ |
1072 |
if (preg_match('!^\w+$!', $token)) { |
1073 |
$attr_name = $token; |
1074 |
$state = 1; |
1075 |
} else |
1076 |
$this->_syntax_error("invalid attribute name - '$token'"); |
1077 |
break; |
1078 |
|
1079 |
case 1: |
1080 |
/* If the token is '=', then we go to state 2. */ |
1081 |
if ($token == '=') { |
1082 |
$state = 2; |
1083 |
} else |
1084 |
$this->_syntax_error("expecting '=' after attribute name"); |
1085 |
break; |
1086 |
|
1087 |
case 2: |
1088 |
/* If token is not '=', we set the attribute value and go to |
1089 |
state 0. */ |
1090 |
if ($token != '=') { |
1091 |
/* We booleanize the token if it's a non-quoted possible |
1092 |
boolean value. */ |
1093 |
if (preg_match('!^(on|yes|true)$!', $token)) |
1094 |
$token = true; |
1095 |
else if (preg_match('!^(off|no|false)$!', $token)) |
1096 |
$token = false; |
1097 |
/* If the token is not variable (doesn't start with |
1098 |
'$', '#', or '%') and not enclosed in single or |
1099 |
double quotes we single-quote it. */ |
1100 |
else if ($quote && !in_array($token{0}, $var_delims) && |
1101 |
!(($token{0} == '"' || $token[0] == "'") && |
1102 |
$token{strlen($token)-1} == $token{0})) |
1103 |
$token = "'".$token."'"; |
1104 |
|
1105 |
$attrs[$attr_name] = $token; |
1106 |
$state = 0; |
1107 |
} else |
1108 |
$this->_syntax_error("'=' cannot be an attribute value"); |
1109 |
break; |
1110 |
} |
1111 |
} |
1112 |
|
1113 |
$this->_parse_vars_props($attrs); |
1114 |
|
1115 |
return $attrs; |
1116 |
} |
1117 |
|
1118 |
|
1119 |
/*======================================================================*\ |
1120 |
Function: _preg_grep |
1121 |
Purpose: Emulate PHP's preg_grep() |
1122 |
\*======================================================================*/ |
1123 |
function _preg_grep($pattern, $array) |
1124 |
{ |
1125 |
$result = array(); |
1126 |
|
1127 |
foreach ($array as $key => $entry) { |
1128 |
if (preg_match($pattern, $entry)) |
1129 |
$result[$key] = $entry; |
1130 |
} |
1131 |
|
1132 |
return $result; |
1133 |
} |
1134 |
|
1135 |
function _parse_vars_props(&$tokens) |
1136 |
{ |
1137 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
1138 |
|
1139 |
/* preg_grep() was fixed to return keys properly in 4.0.4 and later. To |
1140 |
allow people to use older versions of PHP we emulate preg_grep() and |
1141 |
use the version check to see what function to call. */ |
1142 |
if (strnatcmp(PHP_VERSION, '4.0.4') >= 0) { |
1143 |
$var_exprs = preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1144 |
$conf_var_exprs = preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1145 |
$sect_prop_exprs = preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1146 |
} else { |
1147 |
$var_exprs = $this->_preg_grep('!^\$(\w+/)*\w+(?>\.\w+)*(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1148 |
$conf_var_exprs = $this->_preg_grep('!^#(\w+)#(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1149 |
$sect_prop_exprs = $this->_preg_grep('!^%\w+\.\w+%(?>\|@?\w+(:(?>' . $qstr_regexp . '|[^|]+))*)*$!', $tokens); |
1150 |
} |
1151 |
|
1152 |
if (count($var_exprs)) { |
1153 |
foreach ($var_exprs as $expr_index => $var_expr) { |
1154 |
$tokens[$expr_index] = $this->_parse_var($var_expr); |
1155 |
} |
1156 |
} |
1157 |
|
1158 |
if (count($conf_var_exprs)) { |
1159 |
foreach ($conf_var_exprs as $expr_index => $var_expr) { |
1160 |
$tokens[$expr_index] = $this->_parse_conf_var($var_expr); |
1161 |
} |
1162 |
} |
1163 |
|
1164 |
if (count($sect_prop_exprs)) { |
1165 |
foreach ($sect_prop_exprs as $expr_index => $section_prop_expr) { |
1166 |
$tokens[$expr_index] = $this->_parse_section_prop($section_prop_expr); |
1167 |
} |
1168 |
} |
1169 |
} |
1170 |
|
1171 |
function _parse_var($var_expr) |
1172 |
{ |
1173 |
list($var_ref, $modifiers) = explode('|', substr($var_expr, 1), 2); |
1174 |
|
1175 |
$sections = explode('/', $var_ref); |
1176 |
$props = explode('.', array_pop($sections)); |
1177 |
$var_name = array_shift($props); |
1178 |
|
1179 |
$output = "\$$var_name"; |
1180 |
|
1181 |
foreach ($sections as $section) { |
1182 |
$output .= "[\$_sections['$section']['properties']['index']]"; |
1183 |
} |
1184 |
foreach ($props as $prop) { |
1185 |
$output .= "['$prop']"; |
1186 |
} |
1187 |
|
1188 |
$this->_parse_modifiers($output, $modifiers); |
1189 |
|
1190 |
return $output; |
1191 |
} |
1192 |
|
1193 |
function _parse_conf_var($conf_var_expr) |
1194 |
{ |
1195 |
list($var_ref, $modifiers) = explode('|', $conf_var_expr, 2); |
1196 |
|
1197 |
$var_name = substr($var_ref, 1, -1); |
1198 |
|
1199 |
$output = "\$_config['$var_name']"; |
1200 |
|
1201 |
$this->_parse_modifiers($output, $modifiers); |
1202 |
|
1203 |
return $output; |
1204 |
} |
1205 |
|
1206 |
function _parse_section_prop($section_prop_expr) |
1207 |
{ |
1208 |
list($var_ref, $modifiers) = explode('|', $section_prop_expr, 2); |
1209 |
|
1210 |
preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); |
1211 |
$section_name = $match[1]; |
1212 |
$prop_name = $match[2]; |
1213 |
|
1214 |
$output = "\$_sections['$section_name']['properties']['$prop_name']"; |
1215 |
|
1216 |
$this->_parse_modifiers($output, $modifiers); |
1217 |
|
1218 |
return $output; |
1219 |
} |
1220 |
|
1221 |
function _parse_modifiers(&$output, $modifier_string) |
1222 |
{ |
1223 |
$qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"|\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; |
1224 |
preg_match_all('!\|(@?\w+)((?>:(?:'. $qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $match); |
1225 |
list(, $modifiers, $modifier_arg_strings) = $match; |
1226 |
|
1227 |
for ($i = 0; $i < count($modifiers); $i++) { |
1228 |
$modifier_name = $modifiers[$i]; |
1229 |
preg_match_all('!:(' . $qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$i], $match); |
1230 |
$modifier_args = $match[1]; |
1231 |
|
1232 |
if ($modifier_name{0} == '@') { |
1233 |
$map_array = 'false'; |
1234 |
$modifier_name = substr($modifier_name, 1); |
1235 |
} else |
1236 |
$map_array = 'true'; |
1237 |
|
1238 |
/* |
1239 |
* First we lookup the modifier function name in the registered |
1240 |
* modifiers table. |
1241 |
*/ |
1242 |
$mod_func_name = $this->custom_mods[$modifier_name]; |
1243 |
|
1244 |
/* |
1245 |
* If we don't find that modifier there, we assume it's just a PHP |
1246 |
* function name. |
1247 |
*/ |
1248 |
if (!isset($mod_func_name)) |
1249 |
$mod_func_name = $modifier_name; |
1250 |
|
1251 |
if (!function_exists($mod_func_name)) { |
1252 |
$this->_syntax_error("modifier '$modifier_name' is not implemented", E_USER_WARNING); |
1253 |
continue; |
1254 |
} |
1255 |
|
1256 |
$this->_parse_vars_props($modifier_args); |
1257 |
|
1258 |
if (count($modifier_args) > 0) |
1259 |
$modifier_args = ', '.implode(', ', $modifier_args); |
1260 |
else |
1261 |
$modifier_args = ''; |
1262 |
|
1263 |
$output = "_smarty_mod_handler('$mod_func_name', $map_array, $output$modifier_args)"; |
1264 |
} |
1265 |
} |
1266 |
|
1267 |
|
1268 |
/*======================================================================*\ |
1269 |
Function: _dequote |
1270 |
Purpose: Remove starting and ending quotes from the string |
1271 |
\*======================================================================*/ |
1272 |
function _dequote($string) |
1273 |
{ |
1274 |
if (($string{0} == "'" || $string{0} == '"') && |
1275 |
$string{strlen($string)-1} == $string{0}) |
1276 |
return substr($string, 1, -1); |
1277 |
else |
1278 |
return $string; |
1279 |
} |
1280 |
|
1281 |
|
1282 |
/*======================================================================*\ |
1283 |
Function: _read_file() |
1284 |
Purpose: read in a file |
1285 |
\*======================================================================*/ |
1286 |
|
1287 |
function _read_file($filename) |
1288 |
|
1289 |
{ |
1290 |
if (!($fd = fopen($filename, 'r'))) { |
1291 |
$this->_set_error_msg("problem reading '$filename.'"); |
1292 |
return false; |
1293 |
} |
1294 |
flock($fd, LOCK_SH); |
1295 |
$contents = fread($fd, filesize($filename)); |
1296 |
fclose($fd); |
1297 |
return $contents; |
1298 |
} |
1299 |
|
1300 |
/*======================================================================*\ |
1301 |
Function: _write_file() |
1302 |
Purpose: write out a file |
1303 |
\*======================================================================*/ |
1304 |
|
1305 |
function _write_file($filename, $contents, $create_dirs = false) |
1306 |
{ |
1307 |
if($create_dirs) |
1308 |
$this->_create_dir_structure(dirname($filename)); |
1309 |
|
1310 |
if (!($fd = fopen($filename, 'a'))) { |
1311 |
$this->_set_error_msg("problem writing '$filename.'"); |
1312 |
return false; |
1313 |
} |
1314 |
flock($fd, LOCK_EX); |
1315 |
|
1316 |
$fd_safe = fopen($filename, 'w'); |
1317 |
|
1318 |
fwrite($fd_safe, $contents); |
1319 |
fclose($fd_safe); |
1320 |
fclose($fd); |
1321 |
|
1322 |
return true; |
1323 |
} |
1324 |
|
1325 |
|
1326 |
/*======================================================================*\ |
1327 |
Function: _clear_tpl_cache_dir |
1328 |
Purpose: Clear the specified template cache |
1329 |
\*======================================================================*/ |
1330 |
function _clear_tpl_cache_dir($cache_tpl_md5) |
1331 |
{ |
1332 |
$cache_dir = $this->cache_dir.'/'.$cache_tpl_md5; |
1333 |
|
1334 |
if (!is_dir($cache_dir)) |
1335 |
return false; |
1336 |
|
1337 |
$dir_handle = opendir($cache_dir); |
1338 |
while ($curr_dir = readdir($dir_handle)) { |
1339 |
$cache_path_dir = $cache_dir.'/'.$curr_dir; |
1340 |
if ($curr_dir == '.' || $curr_dir == '..' || |
1341 |
!is_dir($cache_path_dir)) |
1342 |
continue; |
1343 |
|
1344 |
$dir_handle2 = opendir($cache_path_dir); |
1345 |
while ($curr_file = readdir($dir_handle2)) { |
1346 |
if ($curr_file == '.' || $curr_file == '..') |
1347 |
continue; |
1348 |
|
1349 |
$cache_file = $cache_path_dir.'/'.$curr_file; |
1350 |
if (is_file($cache_file)) |
1351 |
unlink($cache_file); |
1352 |
} |
1353 |
closedir($dir_handle2); |
1354 |
@rmdir($cache_path_dir); |
1355 |
} |
1356 |
closedir($dir_handle); |
1357 |
@rmdir($cache_dir); |
1358 |
|
1359 |
return true; |
1360 |
} |
1361 |
|
1362 |
|
1363 |
/*======================================================================*\ |
1364 |
Function: _set_error_msg() |
1365 |
Purpose: set the error message |
1366 |
\*======================================================================*/ |
1367 |
|
1368 |
function _set_error_msg($error_msg) |
1369 |
{ |
1370 |
$this->_error_msg="smarty error: $error_msg"; |
1371 |
return true; |
1372 |
} |
1373 |
|
1374 |
/*======================================================================*\ |
1375 |
Function: _syntax_error |
1376 |
Purpose: display Smarty syntax error |
1377 |
\*======================================================================*/ |
1378 |
function _syntax_error($error_msg, $error_type = E_USER_ERROR) |
1379 |
{ |
1380 |
trigger_error("Smarty: [in " . $this->_current_file . " line " . |
1381 |
$this->_current_line_no . "]: syntax error: $error_msg", $error_type); |
1382 |
} |
1383 |
} |
1384 |
|
1385 |
/* vim: set expandtab: */ |
1386 |
|
1387 |
?> |