Commit | Line | Data |
---|---|---|
e586807d H |
1 | <?php |
2 | ||
3 | /** | |
4 | * Project: Smarty: the PHP compiling template engine | |
5 | * File: Smarty_Compiler.class.php | |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
10 | * version 2.1 of the License, or (at your option) any later version. | |
11 | * | |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * Lesser General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | * You may contact the authors of Smarty by e-mail at: | |
22 | * monte@ispi.net | |
23 | * andrei@php.net | |
24 | * | |
25 | * Or, write to: | |
26 | * Monte Ohrt | |
27 | * Director of Technology, ispi | |
28 | * 237 S. 70th suite 220 | |
29 | * Lincoln, NE 68510 | |
30 | * | |
31 | * The latest version of Smarty can be obtained from: | |
32 | * http://smarty.php.net/ | |
33 | * | |
34 | * @link http://smarty.php.net/ | |
35 | * @author Monte Ohrt <monte@ispi.net> | |
36 | * @author Andrei Zmievski <andrei@php.net> | |
37 | * @version 2.6.0-RC2 | |
38 | * @copyright 2001-2003 ispi of Lincoln, Inc. | |
39 | * @package Smarty | |
40 | */ | |
41 | ||
42 | /* $Id: Smarty_Compiler.class.php,v 1.286 2003/10/08 23:43:34 mohrt Exp $ */ | |
43 | ||
44 | /** | |
45 | * Template compiling class | |
46 | * @package Smarty | |
47 | */ | |
48 | class Smarty_Compiler extends Smarty { | |
49 | ||
50 | // internal vars | |
51 | /**#@+ | |
52 | * @access private | |
53 | */ | |
54 | var $_sectionelse_stack = array(); // keeps track of whether section had 'else' part | |
55 | var $_foreachelse_stack = array(); // keeps track of whether foreach had 'else' part | |
56 | var $_literal_blocks = array(); // keeps literal template blocks | |
57 | var $_php_blocks = array(); // keeps php code blocks | |
58 | var $_current_file = null; // the current template being compiled | |
59 | var $_current_line_no = 1; // line number for error messages | |
60 | var $_capture_stack = array(); // keeps track of nested capture buffers | |
61 | var $_plugin_info = array(); // keeps track of plugins to load | |
62 | var $_init_smarty_vars = false; | |
63 | var $_permitted_tokens = array('true','false','yes','no','on','off','null'); | |
64 | var $_output_type = 'php'; | |
65 | var $_db_qstr_regexp = null; // regexps are setup in the constructor | |
66 | var $_si_qstr_regexp = null; | |
67 | var $_qstr_regexp = null; | |
68 | var $_func_regexp = null; | |
69 | var $_var_bracket_regexp = null; | |
70 | var $_dvar_guts_regexp = null; | |
71 | var $_dvar_regexp = null; | |
72 | var $_cvar_regexp = null; | |
73 | var $_svar_regexp = null; | |
74 | var $_avar_regexp = null; | |
75 | var $_mod_regexp = null; | |
76 | var $_var_regexp = null; | |
77 | var $_parenth_param_regexp = null; | |
78 | var $_func_call_regexp = null; | |
79 | var $_obj_ext_regexp = null; | |
80 | var $_obj_start_regexp = null; | |
81 | var $_obj_params_regexp = null; | |
82 | var $_obj_call_regexp = null; | |
83 | ||
84 | var $_cacheable_state = 0; | |
85 | var $_cache_attrs_count = 0; | |
86 | var $_nocache_count = 0; | |
87 | var $_cache_serial = null; | |
88 | var $_cache_include = null; | |
89 | ||
90 | var $_strip_depth = 0; | |
91 | var $_additional_newline = "\n"; | |
92 | ||
93 | /**#@-*/ | |
94 | /** | |
95 | * The class constructor. | |
96 | */ | |
97 | function Smarty_Compiler() | |
98 | { | |
99 | // matches double quoted strings: | |
100 | // "foobar" | |
101 | // "foo\"bar" | |
102 | $this->_db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"'; | |
103 | ||
104 | // matches single quoted strings: | |
105 | // 'foobar' | |
106 | // 'foo\'bar' | |
107 | $this->_si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; | |
108 | ||
109 | // matches single or double quoted strings | |
110 | $this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')'; | |
111 | ||
112 | // matches bracket portion of vars | |
113 | // [0] | |
114 | // [foo] | |
115 | // [$bar] | |
116 | $this->_var_bracket_regexp = '\[\$?[\w\.]+\]'; | |
117 | ||
118 | // matches $ vars (not objects): | |
119 | // $foo | |
120 | // $foo.bar | |
121 | // $foo.bar.foobar | |
122 | // $foo[0] | |
123 | // $foo[$bar] | |
124 | // $foo[5][blah] | |
125 | // $foo[5].bar[$foobar][4] | |
126 | $this->_dvar_math_regexp = '[\+\-\*\/\%]'; | |
127 | $this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\|\>\[\]]'; | |
128 | $this->_dvar_num_var_regexp = '\-?\d+(?:\.\d+)?' . $this->_dvar_math_var_regexp; | |
129 | $this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp | |
130 | . ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:\-?\d+(?:\.\d+)?|' . $this->_dvar_math_var_regexp . '*))?'; | |
131 | $this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; | |
132 | ||
133 | // matches config vars: | |
134 | // #foo# | |
135 | // #foobar123_foo# | |
136 | $this->_cvar_regexp = '\#\w+\#'; | |
137 | ||
138 | // matches section vars: | |
139 | // %foo.bar% | |
140 | $this->_svar_regexp = '\%\w+\.\w+\%'; | |
141 | ||
142 | // matches all valid variables (no quotes, no modifiers) | |
143 | $this->_avar_regexp = '(?:' . $this->_dvar_regexp . '|' | |
144 | . $this->_cvar_regexp . '|' . $this->_svar_regexp . ')'; | |
145 | ||
146 | // matches valid variable syntax: | |
147 | // $foo | |
148 | // $foo | |
149 | // #foo# | |
150 | // #foo# | |
151 | // "text" | |
152 | // "text" | |
153 | $this->_var_regexp = '(?:' . $this->_avar_regexp . '|' . $this->_qstr_regexp . ')'; | |
154 | ||
155 | // matches valid object call (no objects allowed in parameters): | |
156 | // $foo->bar | |
157 | // $foo->bar() | |
158 | // $foo->bar("text") | |
159 | // $foo->bar($foo, $bar, "text") | |
160 | // $foo->bar($foo, "foo") | |
161 | // $foo->bar->foo() | |
162 | // $foo->bar->foo->bar() | |
163 | $this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')'; | |
164 | $this->_obj_params_regexp = '\((?:\w+|' | |
165 | . $this->_var_regexp . '(?:\s*,\s*(?:(?:\w+|' | |
166 | . $this->_var_regexp . ')))*)?\)'; | |
167 | $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)'; | |
168 | $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?)'; | |
169 | ||
170 | // matches valid modifier syntax: | |
171 | // |foo | |
172 | // |@foo | |
173 | // |foo:"bar" | |
174 | // |foo:$bar | |
175 | // |foo:"bar":$foobar | |
176 | // |foo|bar | |
177 | // |foo:$foo->bar | |
178 | $this->_mod_regexp = '(?:\|@?\w+(?::(?>-?\w+|' | |
179 | . $this->_obj_call_regexp . '|' . $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)'; | |
180 | ||
181 | // matches valid function name: | |
182 | // foo123 | |
183 | // _foo_bar | |
184 | $this->_func_regexp = '[a-zA-Z_]\w*'; | |
185 | ||
186 | // matches valid registered object: | |
187 | // foo->bar | |
188 | $this->_reg_obj_regexp = '[a-zA-Z_]\w*->[a-zA-Z_]\w*'; | |
189 | ||
190 | // matches valid parameter values: | |
191 | // true | |
192 | // $foo | |
193 | // $foo|bar | |
194 | // #foo# | |
195 | // #foo#|bar | |
196 | // "text" | |
197 | // "text"|bar | |
198 | // $foo->bar | |
199 | $this->_param_regexp = '(?:\s*(?:' . $this->_obj_call_regexp . '|' | |
200 | . $this->_var_regexp . '|\w+)(?>' . $this->_mod_regexp . '*)\s*)'; | |
201 | ||
202 | // matches valid parenthesised function parameters: | |
203 | // | |
204 | // "text" | |
205 | // $foo, $bar, "text" | |
206 | // $foo|bar, "foo"|bar, $foo->bar($foo)|bar | |
207 | $this->_parenth_param_regexp = '(?:\((?:\w+|' | |
208 | . $this->_param_regexp . '(?:\s*,\s*(?:(?:\w+|' | |
209 | . $this->_param_regexp . ')))*)?\))'; | |
210 | ||
211 | // matches valid function call: | |
212 | // foo() | |
213 | // foo_bar($foo) | |
214 | // _foo_bar($foo,"bar") | |
215 | // foo123($foo,$foo->bar(),"foo") | |
216 | $this->_func_call_regexp = '(?:' . $this->_func_regexp . '\s*(?:' | |
217 | . $this->_parenth_param_regexp . '))'; | |
218 | } | |
219 | ||
220 | /** | |
221 | * compile a resource | |
222 | * | |
223 | * sets $compiled_content to the compiled source | |
224 | * @param string $resource_name | |
225 | * @param string $source_content | |
226 | * @param string $compiled_content | |
227 | * @return true | |
228 | */ | |
229 | function _compile_file($resource_name, $source_content, &$compiled_content) | |
230 | { | |
231 | ||
232 | if ($this->security) { | |
233 | // do not allow php syntax to be executed unless specified | |
234 | if ($this->php_handling == SMARTY_PHP_ALLOW && | |
235 | !$this->security_settings['PHP_HANDLING']) { | |
236 | $this->php_handling = SMARTY_PHP_PASSTHRU; | |
237 | } | |
238 | } | |
239 | ||
240 | $this->_load_filters(); | |
241 | ||
242 | $this->_current_file = $resource_name; | |
243 | $this->_current_line_no = 1; | |
244 | $ldq = preg_quote($this->left_delimiter, '!'); | |
245 | $rdq = preg_quote($this->right_delimiter, '!'); | |
246 | ||
247 | // run template source through prefilter functions | |
248 | if (count($this->_plugins['prefilter']) > 0) { | |
249 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { | |
250 | if ($prefilter === false) continue; | |
251 | if ($prefilter[3] || is_callable($prefilter[0])) { | |
252 | $source_content = call_user_func_array($prefilter[0], | |
253 | array($source_content, &$this)); | |
254 | $this->_plugins['prefilter'][$filter_name][3] = true; | |
255 | } else { | |
256 | $this->_trigger_fatal_error("[plugin] prefilter '$filter_name' is not implemented"); | |
257 | } | |
258 | } | |
259 | } | |
260 | ||
261 | /* Annihilate the comments. */ | |
262 | $source_content = preg_replace("!({$ldq})\*(.*?)\*({$rdq})!se", | |
263 | "'\\1*'.str_repeat(\"\n\", substr_count('\\2', \"\n\")) .'*\\3'", | |
264 | $source_content); | |
265 | ||
266 | /* Pull out the literal blocks. */ | |
267 | preg_match_all("!{$ldq}\s*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}!s", $source_content, $_match); | |
268 | $this->_literal_blocks = $_match[1]; | |
269 | $source_content = preg_replace("!{$ldq}\s*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}!s", | |
270 | $this->quote_replace($this->left_delimiter.'literal'.$this->right_delimiter), $source_content); | |
271 | ||
272 | /* Pull out the php code blocks. */ | |
273 | preg_match_all("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", $source_content, $_match); | |
274 | $this->_php_blocks = $_match[1]; | |
275 | $source_content = preg_replace("!{$ldq}php{$rdq}(.*?){$ldq}/php{$rdq}!s", | |
276 | $this->quote_replace($this->left_delimiter.'php'.$this->right_delimiter), $source_content); | |
277 | ||
278 | /* Gather all template tags. */ | |
279 | preg_match_all("!{$ldq}\s*(.*?)\s*{$rdq}!s", $source_content, $_match); | |
280 | $template_tags = $_match[1]; | |
281 | /* Split content by template tags to obtain non-template content. */ | |
282 | $text_blocks = preg_split("!{$ldq}.*?{$rdq}!s", $source_content); | |
283 | ||
284 | /* loop through text blocks */ | |
285 | for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) { | |
286 | /* match anything resembling php tags */ | |
287 | if (preg_match_all('!(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?php[\"\']?)!is', $text_blocks[$curr_tb], $sp_match)) { | |
288 | /* replace tags with placeholders to prevent recursive replacements */ | |
289 | $sp_match[1] = array_unique($sp_match[1]); | |
290 | usort($sp_match[1], '_smarty_sort_length'); | |
291 | for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) { | |
292 | $text_blocks[$curr_tb] = str_replace($sp_match[1][$curr_sp],'%%%SMARTYSP'.$curr_sp.'%%%',$text_blocks[$curr_tb]); | |
293 | } | |
294 | /* process each one */ | |
295 | for ($curr_sp = 0, $for_max2 = count($sp_match[0]); $curr_sp < $for_max2; $curr_sp++) { | |
296 | if ($this->php_handling == SMARTY_PHP_PASSTHRU) { | |
297 | /* echo php contents */ | |
298 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '<?php echo \''.str_replace("'", "\'", $sp_match[1][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); | |
299 | } else if ($this->php_handling == SMARTY_PHP_QUOTE) { | |
300 | /* quote php tags */ | |
301 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', htmlspecialchars($sp_match[1][$curr_sp]), $text_blocks[$curr_tb]); | |
302 | } else if ($this->php_handling == SMARTY_PHP_REMOVE) { | |
303 | /* remove php tags */ | |
304 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '', $text_blocks[$curr_tb]); | |
305 | } else { | |
306 | /* SMARTY_PHP_ALLOW, but echo non php starting tags */ | |
307 | $sp_match[1][$curr_sp] = preg_replace('%(<\?(?!php|=|$))%i', '<?php echo \'\\1\'?>'."\n", $sp_match[1][$curr_sp]); | |
308 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', $sp_match[1][$curr_sp], $text_blocks[$curr_tb]); | |
309 | } | |
310 | } | |
311 | } | |
312 | } | |
313 | ||
314 | /* Compile the template tags into PHP code. */ | |
315 | $compiled_tags = array(); | |
316 | for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) { | |
317 | $this->_current_line_no += substr_count($text_blocks[$i], "\n"); | |
318 | $compiled_tags[] = $this->_compile_tag($template_tags[$i]); | |
319 | $this->_current_line_no += substr_count($template_tags[$i], "\n"); | |
320 | } | |
321 | ||
322 | $compiled_content = ''; | |
323 | ||
324 | /* Interleave the compiled contents and text blocks to get the final result. */ | |
325 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { | |
326 | if ($compiled_tags[$i] == '') { | |
327 | // tag result empty, remove first newline from following text block | |
328 | $text_blocks[$i+1] = preg_replace('!^(\r\n|\r|\n)!', '', $text_blocks[$i+1]); | |
329 | } | |
330 | $compiled_content .= $text_blocks[$i].$compiled_tags[$i]; | |
331 | } | |
332 | $compiled_content .= $text_blocks[$i]; | |
333 | ||
334 | /* Reformat data between 'strip' and '/strip' tags, removing spaces, tabs and newlines. */ | |
335 | if (preg_match_all("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", $compiled_content, $_match)) { | |
336 | $strip_tags = $_match[0]; | |
337 | $strip_tags_modified = preg_replace("!{$ldq}/?strip{$rdq}|[\t ]+$|^[\t ]+!m", '', $strip_tags); | |
338 | $strip_tags_modified = preg_replace('![\r\n]+!m', '', $strip_tags_modified); | |
339 | for ($i = 0, $for_max = count($strip_tags); $i < $for_max; $i++) | |
340 | $compiled_content = preg_replace("!{$ldq}strip{$rdq}.*?{$ldq}/strip{$rdq}!s", | |
341 | $this->quote_replace($strip_tags_modified[$i]), | |
342 | $compiled_content, 1); | |
343 | } | |
344 | ||
345 | // remove \n from the end of the file, if any | |
346 | if (($_len=strlen($compiled_content)) && ($compiled_content{$_len - 1} == "\n" )) { | |
347 | $compiled_content = substr($compiled_content, 0, -1); | |
348 | } | |
349 | ||
350 | if (!empty($this->_cache_serial)) { | |
351 | $compiled_content = "<?php \$this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content; | |
352 | } | |
353 | ||
354 | // remove unnecessary close/open tags | |
355 | $compiled_content = preg_replace('!\?>\n?<\?php!', '', $compiled_content); | |
356 | ||
357 | // run compiled template through postfilter functions | |
358 | if (count($this->_plugins['postfilter']) > 0) { | |
359 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { | |
360 | if ($postfilter === false) continue; | |
361 | if ($postfilter[3] || is_callable($postfilter[0])) { | |
362 | $compiled_content = call_user_func_array($postfilter[0], | |
363 | array($compiled_content, &$this)); | |
364 | $this->_plugins['postfilter'][$filter_name][3] = true; | |
365 | } else { | |
366 | $this->_trigger_fatal_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); | |
367 | } | |
368 | } | |
369 | } | |
370 | ||
371 | // put header at the top of the compiled template | |
372 | $template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n"; | |
373 | $template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n"; | |
374 | ||
375 | /* Emit code to load needed plugins. */ | |
376 | $this->_plugins_code = ''; | |
377 | if (count($this->_plugin_info)) { | |
378 | $_plugins_params = "array('plugins' => array("; | |
379 | foreach ($this->_plugin_info as $plugin_type => $plugins) { | |
380 | foreach ($plugins as $plugin_name => $plugin_info) { | |
381 | $_plugins_params .= "array('$plugin_type', '$plugin_name', '$plugin_info[0]', $plugin_info[1], "; | |
382 | $_plugins_params .= $plugin_info[2] ? 'true),' : 'false),'; | |
383 | } | |
384 | } | |
385 | $_plugins_params .= '))'; | |
386 | $plugins_code = "<?php require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n"; | |
387 | $template_header .= $plugins_code; | |
388 | $this->_plugin_info = array(); | |
389 | $this->_plugins_code = $plugins_code; | |
390 | } | |
391 | ||
392 | if ($this->_init_smarty_vars) { | |
393 | $template_header .= "<?php require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n"; | |
394 | $this->_init_smarty_vars = false; | |
395 | } | |
396 | ||
397 | $compiled_content = $template_header . $compiled_content; | |
398 | ||
399 | return true; | |
400 | } | |
401 | ||
402 | /** | |
403 | * Compile a template tag | |
404 | * | |
405 | * @param string $template_tag | |
406 | * @return string | |
407 | */ | |
408 | function _compile_tag($template_tag) | |
409 | { | |
410 | // default to php output | |
411 | $this->_output_type = 'php'; | |
412 | ||
413 | /* Matched comment. */ | |
414 | if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*') | |
415 | return ''; | |
416 | ||
417 | /* Split tag into two three parts: command, command modifiers and the arguments. */ | |
418 | if(! preg_match('/^(?:(' . $this->_obj_call_regexp . '|' . $this->_var_regexp | |
419 | . '|\/?' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*)) | |
420 | (?:\s+(.*))?$ | |
421 | /xs', $template_tag, $match)) { | |
422 | $this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__); | |
423 | } | |
424 | ||
425 | $tag_command = $match[1]; | |
426 | $tag_modifier = isset($match[2]) ? $match[2] : null; | |
427 | $tag_args = isset($match[3]) ? $match[3] : null; | |
428 | ||
429 | if (preg_match('!^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$!', $tag_command)) { | |
430 | /* tag name is a variable or object */ | |
431 | $_return = $this->_parse_var_props($tag_command . $tag_modifier, $this->_parse_attrs($tag_args)); | |
432 | if(isset($_tag_attrs['assign'])) { | |
433 | return "<?php \$this->assign('" . $this->_dequote($_tag_attrs['assign']) . "', $_return ); ?>\n"; | |
434 | } elseif ($this->_output_type == 'php') { | |
435 | return "<?php echo $_return; ?>" . $this->_additional_newline; | |
436 | } else { | |
437 | // static | |
438 | return $_return; | |
439 | } | |
440 | } | |
441 | ||
442 | /* If the tag name is a registered object, we process it. */ | |
443 | if (preg_match('!^\/?' . $this->_reg_obj_regexp . '$!', $tag_command)) { | |
444 | return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier); | |
445 | } | |
446 | ||
447 | switch ($tag_command) { | |
448 | case 'include': | |
449 | return $this->_compile_include_tag($tag_args); | |
450 | ||
451 | case 'include_php': | |
452 | return $this->_compile_include_php_tag($tag_args); | |
453 | ||
454 | case 'if': | |
455 | return $this->_compile_if_tag($tag_args); | |
456 | ||
457 | case 'else': | |
458 | return '<?php else: ?>'; | |
459 | ||
460 | case 'elseif': | |
461 | return $this->_compile_if_tag($tag_args, true); | |
462 | ||
463 | case '/if': | |
464 | return '<?php endif; ?>'; | |
465 | ||
466 | case 'capture': | |
467 | return $this->_compile_capture_tag(true, $tag_args); | |
468 | ||
469 | case '/capture': | |
470 | return $this->_compile_capture_tag(false); | |
471 | ||
472 | case 'ldelim': | |
473 | return $this->left_delimiter; | |
474 | ||
475 | case 'rdelim': | |
476 | return $this->right_delimiter; | |
477 | ||
478 | case 'section': | |
479 | array_push($this->_sectionelse_stack, false); | |
480 | return $this->_compile_section_start($tag_args); | |
481 | ||
482 | case 'sectionelse': | |
483 | $this->_sectionelse_stack[count($this->_sectionelse_stack)-1] = true; | |
484 | return "<?php endfor; else: ?>"; | |
485 | ||
486 | case '/section': | |
487 | if (array_pop($this->_sectionelse_stack)) | |
488 | return "<?php endif; ?>"; | |
489 | else | |
490 | return "<?php endfor; endif; ?>"; | |
491 | ||
492 | case 'foreach': | |
493 | array_push($this->_foreachelse_stack, false); | |
494 | return $this->_compile_foreach_start($tag_args); | |
495 | break; | |
496 | ||
497 | case 'foreachelse': | |
498 | $this->_foreachelse_stack[count($this->_foreachelse_stack)-1] = true; | |
499 | return "<?php endforeach; unset(\$_from); else: ?>"; | |
500 | ||
501 | case '/foreach': | |
502 | if (array_pop($this->_foreachelse_stack)) | |
503 | return "<?php endif; ?>"; | |
504 | else | |
505 | return "<?php endforeach; unset(\$_from); endif; ?>"; | |
506 | ||
507 | case 'strip': | |
508 | case '/strip': | |
509 | if ($tag_command{0}=='/') { | |
510 | if (--$this->_strip_depth==0) { /* outermost closing {/strip} */ | |
511 | $this->_additional_newline = "\n"; | |
512 | return $this->left_delimiter.$tag_command.$this->right_delimiter; | |
513 | } | |
514 | } else { | |
515 | if ($this->_strip_depth++==0) { /* outermost opening {strip} */ | |
516 | $this->_additional_newline = ""; | |
517 | return $this->left_delimiter.$tag_command.$this->right_delimiter; | |
518 | } | |
519 | } | |
520 | return ''; | |
521 | ||
522 | case 'literal': | |
523 | list (,$literal_block) = each($this->_literal_blocks); | |
524 | $this->_current_line_no += substr_count($literal_block, "\n"); | |
525 | return "<?php echo '".str_replace("'", "\'", str_replace("\\", "\\\\", $literal_block))."'; ?>" . $this->_additional_newline; | |
526 | ||
527 | case 'php': | |
528 | if ($this->security && !$this->security_settings['PHP_TAGS']) { | |
529 | $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__); | |
530 | return; | |
531 | } | |
532 | list (,$php_block) = each($this->_php_blocks); | |
533 | $this->_current_line_no += substr_count($php_block, "\n"); | |
534 | return '<?php '.$php_block.' ?>'; | |
535 | ||
536 | case 'insert': | |
537 | return $this->_compile_insert_tag($tag_args); | |
538 | ||
539 | default: | |
540 | if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) { | |
541 | return $output; | |
542 | } else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) { | |
543 | return $output; | |
544 | } else { | |
545 | return $this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier); | |
546 | } | |
547 | } | |
548 | } | |
549 | ||
550 | ||
551 | /** | |
552 | * compile the custom compiler tag | |
553 | * | |
554 | * sets $output to the compiled custom compiler tag | |
555 | * @param string $tag_command | |
556 | * @param string $tag_args | |
557 | * @param string $output | |
558 | * @return boolean | |
559 | */ | |
560 | function _compile_compiler_tag($tag_command, $tag_args, &$output) | |
561 | { | |
562 | $found = false; | |
563 | $have_function = true; | |
564 | ||
565 | /* | |
566 | * First we check if the compiler function has already been registered | |
567 | * or loaded from a plugin file. | |
568 | */ | |
569 | if (isset($this->_plugins['compiler'][$tag_command])) { | |
570 | $found = true; | |
571 | $plugin_func = $this->_plugins['compiler'][$tag_command][0]; | |
572 | if (!is_callable($plugin_func)) { | |
573 | $message = "compiler function '$tag_command' is not implemented"; | |
574 | $have_function = false; | |
575 | } | |
576 | } | |
577 | /* | |
578 | * Otherwise we need to load plugin file and look for the function | |
579 | * inside it. | |
580 | */ | |
581 | else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) { | |
582 | $found = true; | |
583 | ||
584 | include_once $plugin_file; | |
585 | ||
586 | $plugin_func = 'smarty_compiler_' . $tag_command; | |
587 | if (!is_callable($plugin_func)) { | |
588 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; | |
589 | $have_function = false; | |
590 | } else { | |
591 | $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true); | |
592 | } | |
593 | } | |
594 | ||
595 | /* | |
596 | * True return value means that we either found a plugin or a | |
597 | * dynamically registered function. False means that we didn't and the | |
598 | * compiler should now emit code to load custom function plugin for this | |
599 | * tag. | |
600 | */ | |
601 | if ($found) { | |
602 | if ($have_function) { | |
603 | $output = call_user_func_array($plugin_func, array($tag_args, &$this)); | |
604 | if($output != '') { | |
605 | $output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command) | |
606 | . $output | |
607 | . $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>'; | |
608 | } | |
609 | } else { | |
610 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); | |
611 | } | |
612 | return true; | |
613 | } else { | |
614 | return false; | |
615 | } | |
616 | } | |
617 | ||
618 | ||
619 | /** | |
620 | * compile block function tag | |
621 | * | |
622 | * sets $output to compiled block function tag | |
623 | * @param string $tag_command | |
624 | * @param string $tag_args | |
625 | * @param string $tag_modifier | |
626 | * @param string $output | |
627 | * @return boolean | |
628 | */ | |
629 | function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output) | |
630 | { | |
631 | if ($tag_command{0} == '/') { | |
632 | $start_tag = false; | |
633 | $tag_command = substr($tag_command, 1); | |
634 | } else | |
635 | $start_tag = true; | |
636 | ||
637 | $found = false; | |
638 | $have_function = true; | |
639 | ||
640 | /* | |
641 | * First we check if the block function has already been registered | |
642 | * or loaded from a plugin file. | |
643 | */ | |
644 | if (isset($this->_plugins['block'][$tag_command])) { | |
645 | $found = true; | |
646 | $plugin_func = $this->_plugins['block'][$tag_command][0]; | |
647 | if (!is_callable($plugin_func)) { | |
648 | $message = "block function '$tag_command' is not implemented"; | |
649 | $have_function = false; | |
650 | } | |
651 | } | |
652 | /* | |
653 | * Otherwise we need to load plugin file and look for the function | |
654 | * inside it. | |
655 | */ | |
656 | else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) { | |
657 | $found = true; | |
658 | ||
659 | include_once $plugin_file; | |
660 | ||
661 | $plugin_func = 'smarty_block_' . $tag_command; | |
662 | if (!function_exists($plugin_func)) { | |
663 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; | |
664 | $have_function = false; | |
665 | } else { | |
666 | $this->_plugins['block'][$tag_command] = array($plugin_func, null, null, null, true); | |
667 | ||
668 | } | |
669 | } | |
670 | ||
671 | if (!$found) { | |
672 | return false; | |
673 | } else if (!$have_function) { | |
674 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); | |
675 | return true; | |
676 | } | |
677 | ||
678 | /* | |
679 | * Even though we've located the plugin function, compilation | |
680 | * happens only once, so the plugin will still need to be loaded | |
681 | * at runtime for future requests. | |
682 | */ | |
683 | $this->_add_plugin('block', $tag_command); | |
684 | ||
685 | if ($start_tag) { | |
686 | $output = '<?php ' . $this->_push_cacheable_state('block', $tag_command); | |
687 | $attrs = $this->_parse_attrs($tag_args); | |
688 | $arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs=''); | |
689 | $output .= "$_cache_attrs\$_params = \$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); '; | |
690 | $output .= $this->_compile_plugin_call('block', $tag_command).'($_params[1], null, $this, $_block_repeat=true); unset($_params);'; | |
691 | $output .= 'while ($_block_repeat) { ob_start(); ?>'; | |
692 | } else { | |
693 | $output = '<?php $this->_block_content = ob_get_contents(); ob_end_clean(); '; | |
694 | $_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $this->_block_content, $this, $_block_repeat=false)'; | |
695 | if ($tag_modifier != '') { | |
696 | $this->_parse_modifiers($_out_tag_text, $tag_modifier); | |
697 | } | |
698 | $output .= 'echo '.$_out_tag_text.'; } '; | |
699 | $output .= " array_pop(\$this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>'; | |
700 | } | |
701 | ||
702 | return true; | |
703 | } | |
704 | ||
705 | ||
706 | /** | |
707 | * compile custom function tag | |
708 | * | |
709 | * @param string $tag_command | |
710 | * @param string $tag_args | |
711 | * @param string $tag_modifier | |
712 | * @return string | |
713 | */ | |
714 | function _compile_custom_tag($tag_command, $tag_args, $tag_modifier) | |
715 | { | |
716 | $this->_add_plugin('function', $tag_command); | |
717 | ||
718 | $_cacheable_state = $this->_push_cacheable_state('function', $tag_command); | |
719 | $attrs = $this->_parse_attrs($tag_args); | |
720 | $arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs=''); | |
721 | ||
722 | $_return = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), \$this)"; | |
723 | if($tag_modifier != '') { | |
724 | $this->_parse_modifiers($_return, $tag_modifier); | |
725 | } | |
726 | ||
727 | if($_return != '') { | |
728 | $_return = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $_return . ';' | |
729 | . $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline; | |
730 | } | |
731 | ||
732 | return $_return; | |
733 | } | |
734 | ||
735 | /** | |
736 | * compile a registered object tag | |
737 | * | |
738 | * @param string $tag_command | |
739 | * @param array $attrs | |
740 | * @param string $tag_modifier | |
741 | * @return string | |
742 | */ | |
743 | function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier) | |
744 | { | |
745 | if ($tag_command{0} == '/') { | |
746 | $start_tag = false; | |
747 | $tag_command = substr($tag_command, 1); | |
748 | } else { | |
749 | $start_tag = true; | |
750 | } | |
751 | ||
752 | list($object, $obj_comp) = explode('->', $tag_command); | |
753 | ||
754 | $arg_list = array(); | |
755 | if(count($attrs)) { | |
756 | $_assign_var = false; | |
757 | foreach ($attrs as $arg_name => $arg_value) { | |
758 | if($arg_name == 'assign') { | |
759 | $_assign_var = $arg_value; | |
760 | unset($attrs['assign']); | |
761 | continue; | |
762 | } | |
763 | if (is_bool($arg_value)) | |
764 | $arg_value = $arg_value ? 'true' : 'false'; | |
765 | $arg_list[] = "'$arg_name' => $arg_value"; | |
766 | } | |
767 | } | |
768 | ||
769 | if($this->_reg_objects[$object][2]) { | |
770 | // smarty object argument format | |
771 | $args = "array(".implode(',', (array)$arg_list)."), \$this"; | |
772 | } else { | |
773 | // traditional argument format | |
774 | $args = implode(',', array_values($attrs)); | |
775 | if (empty($args)) { | |
776 | $args = 'null'; | |
777 | } | |
778 | } | |
779 | ||
780 | $prefix = ''; | |
781 | $postfix = ''; | |
782 | $newline = ''; | |
783 | if(!is_object($this->_reg_objects[$object][0])) { | |
784 | $this->_trigger_fatal_error("registered '$object' is not an object"); | |
785 | } elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) { | |
786 | $this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'"); | |
787 | } elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) { | |
788 | // method | |
789 | if(in_array($obj_comp, $this->_reg_objects[$object][3])) { | |
790 | // block method | |
791 | if ($start_tag) { | |
792 | $prefix = "\$this->_tag_stack[] = array('$obj_comp', $args); "; | |
793 | $prefix .= "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat=true); "; | |
794 | $prefix .= "while (\$_block_repeat) { ob_start();"; | |
795 | $return = null; | |
796 | $postfix = ''; | |
797 | } else { | |
798 | $prefix = "\$this->_obj_block_content = ob_get_contents(); ob_end_clean(); "; | |
799 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$this->_obj_block_content, \$this, \$_block_repeat=false)"; | |
800 | $postfix = "} array_pop(\$this->_tag_stack);"; | |
801 | } | |
802 | } else { | |
803 | // non-block method | |
804 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp($args)"; | |
805 | } | |
806 | } else { | |
807 | // property | |
808 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp"; | |
809 | } | |
810 | ||
811 | if($return != null) { | |
812 | if($tag_modifier != '') { | |
813 | $this->_parse_modifiers($return, $tag_modifier); | |
814 | } | |
815 | ||
816 | if(!empty($_assign_var)) { | |
817 | $output = "\$this->assign('" . $this->_dequote($_assign_var) ."', $return);"; | |
818 | } else { | |
819 | $output = 'echo ' . $return . ';'; | |
820 | $newline = $this->_additional_newline; | |
821 | } | |
822 | } else { | |
823 | $output = ''; | |
824 | } | |
825 | ||
826 | return '<?php ' . $prefix . $output . $postfix . "?>" . $newline; | |
827 | } | |
828 | ||
829 | /** | |
830 | * Compile {insert ...} tag | |
831 | * | |
832 | * @param string $tag_args | |
833 | * @return string | |
834 | */ | |
835 | function _compile_insert_tag($tag_args) | |
836 | { | |
837 | $attrs = $this->_parse_attrs($tag_args); | |
838 | $name = $this->_dequote($attrs['name']); | |
839 | ||
840 | if (empty($name)) { | |
841 | $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); | |
842 | } | |
843 | ||
844 | if (!empty($attrs['script'])) { | |
845 | $delayed_loading = true; | |
846 | } else { | |
847 | $delayed_loading = false; | |
848 | } | |
849 | ||
850 | foreach ($attrs as $arg_name => $arg_value) { | |
851 | if (is_bool($arg_value)) | |
852 | $arg_value = $arg_value ? 'true' : 'false'; | |
853 | $arg_list[] = "'$arg_name' => $arg_value"; | |
854 | } | |
855 | ||
856 | $this->_add_plugin('insert', $name, $delayed_loading); | |
857 | ||
858 | $_params = "array('args' => array(".implode(', ', (array)$arg_list)."))"; | |
859 | ||
860 | return "<?php require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.run_insert_handler.php');\necho smarty_core_run_insert_handler($_params, \$this); ?>" . $this->_additional_newline; | |
861 | } | |
862 | ||
863 | /** | |
864 | * Compile {include ...} tag | |
865 | * | |
866 | * @param string $tag_args | |
867 | * @return string | |
868 | */ | |
869 | function _compile_include_tag($tag_args) | |
870 | { | |
871 | $attrs = $this->_parse_attrs($tag_args); | |
872 | $arg_list = array(); | |
873 | ||
874 | if (empty($attrs['file'])) { | |
875 | $this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__); | |
876 | } | |
877 | ||
878 | foreach ($attrs as $arg_name => $arg_value) { | |
879 | if ($arg_name == 'file') { | |
880 | $include_file = $arg_value; | |
881 | continue; | |
882 | } else if ($arg_name == 'assign') { | |
883 | $assign_var = $arg_value; | |
884 | continue; | |
885 | } | |
886 | if (is_bool($arg_value)) | |
887 | $arg_value = $arg_value ? 'true' : 'false'; | |
888 | $arg_list[] = "'$arg_name' => $arg_value"; | |
889 | } | |
890 | ||
891 | $output = '<?php '; | |
892 | ||
893 | if (isset($assign_var)) { | |
894 | $output .= "ob_start();\n"; | |
895 | } | |
896 | ||
897 | $output .= | |
898 | "\$_smarty_tpl_vars = \$this->_tpl_vars;\n"; | |
899 | ||
900 | ||
901 | $_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; | |
902 | $output .= "\$this->_smarty_include($_params);\n" . | |
903 | "\$this->_tpl_vars = \$_smarty_tpl_vars;\n" . | |
904 | "unset(\$_smarty_tpl_vars);\n"; | |
905 | ||
906 | if (isset($assign_var)) { | |
907 | $output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n"; | |
908 | } | |
909 | ||
910 | $output .= ' ?>'; | |
911 | ||
912 | return $output; | |
913 | ||
914 | } | |
915 | ||
916 | /** | |
917 | * Compile {include ...} tag | |
918 | * | |
919 | * @param string $tag_args | |
920 | * @return string | |
921 | */ | |
922 | function _compile_include_php_tag($tag_args) | |
923 | { | |
924 | $attrs = $this->_parse_attrs($tag_args); | |
925 | ||
926 | if (empty($attrs['file'])) { | |
927 | $this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__); | |
928 | } | |
929 | ||
930 | $assign_var = $this->_dequote($attrs['assign']); | |
931 | $once_var = ( $attrs['once'] == 'false' ) ? 'false' : 'true'; | |
932 | ||
933 | foreach($attrs as $arg_name => $arg_value) { | |
934 | if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') { | |
935 | if(is_bool($arg_value)) | |
936 | $arg_value = $arg_value ? 'true' : 'false'; | |
937 | $arg_list[] = "'$arg_name' => $arg_value"; | |
938 | } | |
939 | } | |
940 | ||
941 | $_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; | |
942 | ||
943 | return "<?php require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.smarty_include_php.php');\nsmarty_core_smarty_include_php($_params, \$this); ?>" . $this->_additional_newline; | |
944 | } | |
945 | ||
946 | ||
947 | /** | |
948 | * Compile {section ...} tag | |
949 | * | |
950 | * @param string $tag_args | |
951 | * @return string | |
952 | */ | |
953 | function _compile_section_start($tag_args) | |
954 | { | |
955 | $attrs = $this->_parse_attrs($tag_args); | |
956 | $arg_list = array(); | |
957 | ||
958 | $output = '<?php '; | |
959 | $section_name = $attrs['name']; | |
960 | if (empty($section_name)) { | |
961 | $this->_syntax_error("missing section name", E_USER_ERROR, __FILE__, __LINE__); | |
962 | } | |
963 | ||
964 | $output .= "if (isset(\$this->_sections[$section_name])) unset(\$this->_sections[$section_name]);\n"; | |
965 | $section_props = "\$this->_sections[$section_name]"; | |
966 | ||
967 | foreach ($attrs as $attr_name => $attr_value) { | |
968 | switch ($attr_name) { | |
969 | case 'loop': | |
970 | $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n"; | |
971 | break; | |
972 | ||
973 | case 'show': | |
974 | if (is_bool($attr_value)) | |
975 | $show_attr_value = $attr_value ? 'true' : 'false'; | |
976 | else | |
977 | $show_attr_value = "(bool)$attr_value"; | |
978 | $output .= "{$section_props}['show'] = $show_attr_value;\n"; | |
979 | break; | |
980 | ||
981 | case 'name': | |
982 | $output .= "{$section_props}['$attr_name'] = $attr_value;\n"; | |
983 | break; | |
984 | ||
985 | case 'max': | |
986 | case 'start': | |
987 | $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n"; | |
988 | break; | |
989 | ||
990 | case 'step': | |
991 | $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n"; | |
992 | break; | |
993 | ||
994 | default: | |
995 | $this->_syntax_error("unknown section attribute - '$attr_name'", E_USER_ERROR, __FILE__, __LINE__); | |
996 | break; | |
997 | } | |
998 | } | |
999 | ||
1000 | if (!isset($attrs['show'])) | |
1001 | $output .= "{$section_props}['show'] = true;\n"; | |
1002 | ||
1003 | if (!isset($attrs['loop'])) | |
1004 | $output .= "{$section_props}['loop'] = 1;\n"; | |
1005 | ||
1006 | if (!isset($attrs['max'])) | |
1007 | $output .= "{$section_props}['max'] = {$section_props}['loop'];\n"; | |
1008 | else | |
1009 | $output .= "if ({$section_props}['max'] < 0)\n" . | |
1010 | " {$section_props}['max'] = {$section_props}['loop'];\n"; | |
1011 | ||
1012 | if (!isset($attrs['step'])) | |
1013 | $output .= "{$section_props}['step'] = 1;\n"; | |
1014 | ||
1015 | if (!isset($attrs['start'])) | |
1016 | $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n"; | |
1017 | else { | |
1018 | $output .= "if ({$section_props}['start'] < 0)\n" . | |
1019 | " {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . | |
1020 | "else\n" . | |
1021 | " {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n"; | |
1022 | } | |
1023 | ||
1024 | $output .= "if ({$section_props}['show']) {\n"; | |
1025 | if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) { | |
1026 | $output .= " {$section_props}['total'] = {$section_props}['loop'];\n"; | |
1027 | } else { | |
1028 | $output .= " {$section_props}['total'] = min(ceil(({$section_props}['step'] > 0 ? {$section_props}['loop'] - {$section_props}['start'] : {$section_props}['start']+1)/abs({$section_props}['step'])), {$section_props}['max']);\n"; | |
1029 | } | |
1030 | $output .= " if ({$section_props}['total'] == 0)\n" . | |
1031 | " {$section_props}['show'] = false;\n" . | |
1032 | "} else\n" . | |
1033 | " {$section_props}['total'] = 0;\n"; | |
1034 | ||
1035 | $output .= "if ({$section_props}['show']):\n"; | |
1036 | $output .= " | |
1037 | for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1; | |
1038 | {$section_props}['iteration'] <= {$section_props}['total']; | |
1039 | {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n"; | |
1040 | $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n"; | |
1041 | $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n"; | |
1042 | $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n"; | |
1043 | $output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n"; | |
1044 | $output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n"; | |
1045 | ||
1046 | $output .= "?>"; | |
1047 | ||
1048 | return $output; | |
1049 | } | |
1050 | ||
1051 | ||
1052 | /** | |
1053 | * Compile {foreach ...} tag. | |
1054 | * | |
1055 | * @param string $tag_args | |
1056 | * @return string | |
1057 | */ | |
1058 | function _compile_foreach_start($tag_args) | |
1059 | { | |
1060 | $attrs = $this->_parse_attrs($tag_args); | |
1061 | $arg_list = array(); | |
1062 | ||
1063 | if (empty($attrs['from'])) { | |
1064 | $this->_syntax_error("missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__); | |
1065 | } | |
1066 | ||
1067 | if (empty($attrs['item'])) { | |
1068 | $this->_syntax_error("missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__); | |
1069 | } | |
1070 | ||
1071 | $from = $attrs['from']; | |
1072 | $item = $this->_dequote($attrs['item']); | |
1073 | if (isset($attrs['name'])) | |
1074 | $name = $attrs['name']; | |
1075 | ||
1076 | $output = '<?php '; | |
1077 | if (isset($name)) { | |
1078 | $output .= "if (isset(\$this->_foreach[$name])) unset(\$this->_foreach[$name]);\n"; | |
1079 | $foreach_props = "\$this->_foreach[$name]"; | |
1080 | } | |
1081 | ||
1082 | $key_part = ''; | |
1083 | ||
1084 | foreach ($attrs as $attr_name => $attr_value) { | |
1085 | switch ($attr_name) { | |
1086 | case 'key': | |
1087 | $key = $this->_dequote($attrs['key']); | |
1088 | $key_part = "\$this->_tpl_vars['$key'] => "; | |
1089 | break; | |
1090 | ||
1091 | case 'name': | |
1092 | $output .= "{$foreach_props}['$attr_name'] = $attr_value;\n"; | |
1093 | break; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | if (isset($name)) { | |
1098 | $output .= "{$foreach_props}['total'] = count(\$_from = (array)$from);\n"; | |
1099 | $output .= "{$foreach_props}['show'] = {$foreach_props}['total'] > 0;\n"; | |
1100 | $output .= "if ({$foreach_props}['show']):\n"; | |
1101 | $output .= "{$foreach_props}['iteration'] = 0;\n"; | |
1102 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; | |
1103 | $output .= " {$foreach_props}['iteration']++;\n"; | |
1104 | $output .= " {$foreach_props}['first'] = ({$foreach_props}['iteration'] == 1);\n"; | |
1105 | $output .= " {$foreach_props}['last'] = ({$foreach_props}['iteration'] == {$foreach_props}['total']);\n"; | |
1106 | } else { | |
1107 | $output .= "if (count(\$_from = (array)$from)):\n"; | |
1108 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; | |
1109 | } | |
1110 | $output .= '?>'; | |
1111 | ||
1112 | return $output; | |
1113 | } | |
1114 | ||
1115 | ||
1116 | /** | |
1117 | * Compile {capture} .. {/capture} tags | |
1118 | * | |
1119 | * @param boolean $start true if this is the {capture} tag | |
1120 | * @param string $tag_args | |
1121 | * @return string | |
1122 | */ | |
1123 | ||
1124 | function _compile_capture_tag($start, $tag_args = '') | |
1125 | { | |
1126 | $attrs = $this->_parse_attrs($tag_args); | |
1127 | ||
1128 | if ($start) { | |
1129 | if (isset($attrs['name'])) | |
1130 | $buffer = $attrs['name']; | |
1131 | else | |
1132 | $buffer = "'default'"; | |
1133 | ||
1134 | if (isset($attrs['assign'])) | |
1135 | $assign = $attrs['assign']; | |
1136 | else | |
1137 | $assign = null; | |
1138 | $output = "<?php ob_start(); ?>"; | |
1139 | $this->_capture_stack[] = array($buffer, $assign); | |
1140 | } else { | |
1141 | list($buffer, $assign) = array_pop($this->_capture_stack); | |
1142 | $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; | |
1143 | if (isset($assign)) { | |
1144 | $output .= " \$this->assign($assign, ob_get_contents());"; | |
1145 | } | |
1146 | $output .= "ob_end_clean(); ?>"; | |
1147 | } | |
1148 | ||
1149 | return $output; | |
1150 | } | |
1151 | ||
1152 | /** | |
1153 | * Compile {if ...} tag | |
1154 | * | |
1155 | * @param string $tag_args | |
1156 | * @param boolean $elseif if true, uses elseif instead of if | |
1157 | * @return string | |
1158 | */ | |
1159 | function _compile_if_tag($tag_args, $elseif = false) | |
1160 | { | |
1161 | ||
1162 | /* Tokenize args for 'if' tag. */ | |
1163 | preg_match_all('/(?> | |
1164 | ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call | |
1165 | ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)? | # var or quoted string | |
1166 | \-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@ | # valid non-word token | |
1167 | \b\w+\b | # valid word token | |
1168 | \S+ # anything else | |
1169 | )/x', $tag_args, $match); | |
1170 | ||
1171 | $tokens = $match[0]; | |
1172 | ||
1173 | // make sure we have balanced parenthesis | |
1174 | $token_count = array_count_values($tokens); | |
1175 | if(isset($token_count['(']) && $token_count['('] != $token_count[')']) { | |
1176 | $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__); | |
1177 | } | |
1178 | ||
1179 | $is_arg_stack = array(); | |
1180 | ||
1181 | for ($i = 0; $i < count($tokens); $i++) { | |
1182 | ||
1183 | $token = &$tokens[$i]; | |
1184 | ||
1185 | switch (strtolower($token)) { | |
1186 | case '!': | |
1187 | case '%': | |
1188 | case '!==': | |
1189 | case '==': | |
1190 | case '===': | |
1191 | case '>': | |
1192 | case '<': | |
1193 | case '!=': | |
1194 | case '<>': | |
1195 | case '<<': | |
1196 | case '>>': | |
1197 | case '<=': | |
1198 | case '>=': | |
1199 | case '&&': | |
1200 | case '||': | |
1201 | case '|': | |
1202 | case '^': | |
1203 | case '&': | |
1204 | case '~': | |
1205 | case ')': | |
1206 | case ',': | |
1207 | case '+': | |
1208 | case '-': | |
1209 | case '*': | |
1210 | case '/': | |
1211 | case '@': | |
1212 | break; | |
1213 | ||
1214 | case 'eq': | |
1215 | $token = '=='; | |
1216 | break; | |
1217 | ||
1218 | case 'ne': | |
1219 | case 'neq': | |
1220 | $token = '!='; | |
1221 | break; | |
1222 | ||
1223 | case 'lt': | |
1224 | $token = '<'; | |
1225 | break; | |
1226 | ||
1227 | case 'le': | |
1228 | case 'lte': | |
1229 | $token = '<='; | |
1230 | break; | |
1231 | ||
1232 | case 'gt': | |
1233 | $token = '>'; | |
1234 | break; | |
1235 | ||
1236 | case 'ge': | |
1237 | case 'gte': | |
1238 | $token = '>='; | |
1239 | break; | |
1240 | ||
1241 | case 'and': | |
1242 | $token = '&&'; | |
1243 | break; | |
1244 | ||
1245 | case 'or': | |
1246 | $token = '||'; | |
1247 | break; | |
1248 | ||
1249 | case 'not': | |
1250 | $token = '!'; | |
1251 | break; | |
1252 | ||
1253 | case 'mod': | |
1254 | $token = '%'; | |
1255 | break; | |
1256 | ||
1257 | case '(': | |
1258 | array_push($is_arg_stack, $i); | |
1259 | break; | |
1260 | ||
1261 | case 'is': | |
1262 | /* If last token was a ')', we operate on the parenthesized | |
1263 | expression. The start of the expression is on the stack. | |
1264 | Otherwise, we operate on the last encountered token. */ | |
1265 | if ($tokens[$i-1] == ')') | |
1266 | $is_arg_start = array_pop($is_arg_stack); | |
1267 | else | |
1268 | $is_arg_start = $i-1; | |
1269 | /* Construct the argument for 'is' expression, so it knows | |
1270 | what to operate on. */ | |
1271 | $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); | |
1272 | ||
1273 | /* Pass all tokens from next one until the end to the | |
1274 | 'is' expression parsing function. The function will | |
1275 | return modified tokens, where the first one is the result | |
1276 | of the 'is' expression and the rest are the tokens it | |
1277 | didn't touch. */ | |
1278 | $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); | |
1279 | ||
1280 | /* Replace the old tokens with the new ones. */ | |
1281 | array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); | |
1282 | ||
1283 | /* Adjust argument start so that it won't change from the | |
1284 | current position for the next iteration. */ | |
1285 | $i = $is_arg_start; | |
1286 | break; | |
1287 | ||
1288 | default: | |
1289 | if(preg_match('!^' . $this->_func_regexp . '$!', $token) ) { | |
1290 | // function call | |
1291 | if($this->security && | |
1292 | !in_array($token, $this->security_settings['IF_FUNCS'])) { | |
1293 | $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); | |
1294 | } | |
1295 | } elseif(preg_match('!^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$!', $token)) { | |
1296 | // object or variable | |
1297 | $token = $this->_parse_var_props($token); | |
1298 | } elseif(is_numeric($token)) { | |
1299 | // number, skip it | |
1300 | } else { | |
1301 | $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__); | |
1302 | } | |
1303 | break; | |
1304 | } | |
1305 | } | |
1306 | ||
1307 | if ($elseif) | |
1308 | return '<?php elseif ('.implode(' ', $tokens).'): ?>'; | |
1309 | else | |
1310 | return '<?php if ('.implode(' ', $tokens).'): ?>'; | |
1311 | } | |
1312 | ||
1313 | ||
1314 | function _compile_arg_list($type, $name, $attrs, &$cache_code) { | |
1315 | $arg_list = array(); | |
1316 | ||
1317 | if (isset($type) && isset($name) | |
1318 | && isset($this->_plugins[$type]) | |
1319 | && isset($this->_plugins[$type][$name]) | |
1320 | && empty($this->_plugins[$type][$name][4]) | |
1321 | && is_array($this->_plugins[$type][$name][5]) | |
1322 | ) { | |
1323 | /* we have a list of parameters that should be cached */ | |
1324 | $_cache_attrs = $this->_plugins[$type][$name][5]; | |
1325 | $_count = $this->_cache_attrs_count++; | |
1326 | $cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');"; | |
1327 | ||
1328 | } else { | |
1329 | /* no parameters are cached */ | |
1330 | $_cache_attrs = null; | |
1331 | } | |
1332 | ||
1333 | foreach ($attrs as $arg_name => $arg_value) { | |
1334 | if (is_bool($arg_value)) | |
1335 | $arg_value = $arg_value ? 'true' : 'false'; | |
1336 | if (is_null($arg_value)) | |
1337 | $arg_value = 'null'; | |
1338 | if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) { | |
1339 | $arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)"; | |
1340 | } else { | |
1341 | $arg_list[] = "'$arg_name' => $arg_value"; | |
1342 | } | |
1343 | } | |
1344 | return $arg_list; | |
1345 | } | |
1346 | ||
1347 | /** | |
1348 | * Parse is expression | |
1349 | * | |
1350 | * @param string $is_arg | |
1351 | * @param array $tokens | |
1352 | * @return array | |
1353 | */ | |
1354 | function _parse_is_expr($is_arg, $tokens) | |
1355 | { | |
1356 | $expr_end = 0; | |
1357 | $negate_expr = false; | |
1358 | ||
1359 | if (($first_token = array_shift($tokens)) == 'not') { | |
1360 | $negate_expr = true; | |
1361 | $expr_type = array_shift($tokens); | |
1362 | } else | |
1363 | $expr_type = $first_token; | |
1364 | ||
1365 | switch ($expr_type) { | |
1366 | case 'even': | |
1367 | if (@$tokens[$expr_end] == 'by') { | |
1368 | $expr_end++; | |
1369 | $expr_arg = $tokens[$expr_end++]; | |
1370 | $expr = "!(($is_arg / $expr_arg) % " . $this->_parse_var_props($expr_arg) . ")"; | |
1371 | } else | |
1372 | $expr = "!($is_arg % 2)"; | |
1373 | break; | |
1374 | ||
1375 | case 'odd': | |
1376 | if (@$tokens[$expr_end] == 'by') { | |
1377 | $expr_end++; | |
1378 | $expr_arg = $tokens[$expr_end++]; | |
1379 | $expr = "(($is_arg / $expr_arg) % ". $this->_parse_var_props($expr_arg) . ")"; | |
1380 | } else | |
1381 | $expr = "($is_arg % 2)"; | |
1382 | break; | |
1383 | ||
1384 | case 'div': | |
1385 | if (@$tokens[$expr_end] == 'by') { | |
1386 | $expr_end++; | |
1387 | $expr_arg = $tokens[$expr_end++]; | |
1388 | $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")"; | |
1389 | } else { | |
1390 | $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__); | |
1391 | } | |
1392 | break; | |
1393 | ||
1394 | default: | |
1395 | $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__); | |
1396 | break; | |
1397 | } | |
1398 | ||
1399 | if ($negate_expr) { | |
1400 | $expr = "!($expr)"; | |
1401 | } | |
1402 | ||
1403 | array_splice($tokens, 0, $expr_end, $expr); | |
1404 | ||
1405 | return $tokens; | |
1406 | } | |
1407 | ||
1408 | ||
1409 | /** | |
1410 | * Parse attribute string | |
1411 | * | |
1412 | * @param string $tag_args | |
1413 | * @return array | |
1414 | */ | |
1415 | function _parse_attrs($tag_args) | |
1416 | { | |
1417 | ||
1418 | /* Tokenize tag attributes. */ | |
1419 | preg_match_all('/(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+) | |
1420 | )+ | | |
1421 | [=] | |
1422 | /x', $tag_args, $match); | |
1423 | $tokens = $match[0]; | |
1424 | ||
1425 | $attrs = array(); | |
1426 | /* Parse state: | |
1427 | 0 - expecting attribute name | |
1428 | 1 - expecting '=' | |
1429 | 2 - expecting attribute value (not '=') */ | |
1430 | $state = 0; | |
1431 | ||
1432 | foreach ($tokens as $token) { | |
1433 | switch ($state) { | |
1434 | case 0: | |
1435 | /* If the token is a valid identifier, we set attribute name | |
1436 | and go to state 1. */ | |
1437 | if (preg_match('!^\w+$!', $token)) { | |
1438 | $attr_name = $token; | |
1439 | $state = 1; | |
1440 | } else | |
1441 | $this->_syntax_error("invalid attribute name: '$token'", E_USER_ERROR, __FILE__, __LINE__); | |
1442 | break; | |
1443 | ||
1444 | case 1: | |
1445 | /* If the token is '=', then we go to state 2. */ | |
1446 | if ($token == '=') { | |
1447 | $state = 2; | |
1448 | } else | |
1449 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); | |
1450 | break; | |
1451 | ||
1452 | case 2: | |
1453 | /* If token is not '=', we set the attribute value and go to | |
1454 | state 0. */ | |
1455 | if ($token != '=') { | |
1456 | /* We booleanize the token if it's a non-quoted possible | |
1457 | boolean value. */ | |
1458 | if (preg_match('!^(on|yes|true)$!', $token)) { | |
1459 | $token = 'true'; | |
1460 | } else if (preg_match('!^(off|no|false)$!', $token)) { | |
1461 | $token = 'false'; | |
1462 | } else if ($token == 'null') { | |
1463 | $token = 'null'; | |
1464 | } else if (preg_match('!^-?([0-9]+|0[xX][0-9a-fA-F]+)$!', $token)) { | |
1465 | /* treat integer literally */ | |
1466 | } else if (!preg_match('!^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$!', $token)) { | |
1467 | /* treat as a string, double-quote it escaping quotes */ | |
1468 | $token = '"'.addslashes($token).'"'; | |
1469 | } | |
1470 | ||
1471 | $attrs[$attr_name] = $token; | |
1472 | $state = 0; | |
1473 | } else | |
1474 | $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__); | |
1475 | break; | |
1476 | } | |
1477 | $last_token = $token; | |
1478 | } | |
1479 | ||
1480 | if($state != 0) { | |
1481 | if($state == 1) { | |
1482 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); | |
1483 | } else { | |
1484 | $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__); | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | $this->_parse_vars_props($attrs); | |
1489 | ||
1490 | return $attrs; | |
1491 | } | |
1492 | ||
1493 | /** | |
1494 | * compile multiple variables and section properties tokens into | |
1495 | * PHP code | |
1496 | * | |
1497 | * @param array $tokens | |
1498 | */ | |
1499 | function _parse_vars_props(&$tokens) | |
1500 | { | |
1501 | foreach($tokens as $key => $val) { | |
1502 | $tokens[$key] = $this->_parse_var_props($val); | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * compile single variable and section properties token into | |
1508 | * PHP code | |
1509 | * | |
1510 | * @param string $val | |
1511 | * @param string $tag_attrs | |
1512 | * @return string | |
1513 | */ | |
1514 | function _parse_var_props($val, $tag_attrs = null) | |
1515 | { | |
1516 | $val = trim($val); | |
1517 | ||
1518 | if(preg_match('!^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(?:' . $this->_mod_regexp . '*)$!', $val)) { | |
1519 | // $ variable or object | |
1520 | return $this->_parse_var($val); | |
1521 | } | |
1522 | elseif(preg_match('!^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) { | |
1523 | // double quoted text | |
1524 | preg_match('!^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$!', $val, $match); | |
1525 | $return = $this->_expand_quoted_text($match[1]); | |
1526 | if($match[2] != '') { | |
1527 | $this->_parse_modifiers($return, $match[2]); | |
1528 | } | |
1529 | return $return; | |
1530 | } | |
1531 | elseif(preg_match('!^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) { | |
1532 | // single quoted text | |
1533 | preg_match('!^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$!', $val, $match); | |
1534 | if($match[2] != '') { | |
1535 | $this->_parse_modifiers($match[1], $match[2]); | |
1536 | return $match[1]; | |
1537 | } | |
1538 | } | |
1539 | elseif(preg_match('!^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) { | |
1540 | // config var | |
1541 | return $this->_parse_conf_var($val); | |
1542 | } | |
1543 | elseif(preg_match('!^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$!', $val)) { | |
1544 | // section var | |
1545 | return $this->_parse_section_prop($val); | |
1546 | } | |
1547 | elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) { | |
1548 | // literal string | |
1549 | return $this->_expand_quoted_text('"' . $val .'"'); | |
1550 | } | |
1551 | return $val; | |
1552 | } | |
1553 | ||
1554 | /** | |
1555 | * expand quoted text with embedded variables | |
1556 | * | |
1557 | * @param string $var_expr | |
1558 | * @return string | |
1559 | */ | |
1560 | function _expand_quoted_text($var_expr) | |
1561 | { | |
1562 | // if contains unescaped $, expand it | |
1563 | if(preg_match_all('%(?:\`(?<!\\\\)\$' . $this->_dvar_guts_regexp . '\`)|(?:(?<!\\\\)\$\w+(\[[a-zA-Z0-9]+\])*)%', $var_expr, $_match)) { | |
1564 | $_match = $_match[0]; | |
1565 | rsort($_match); | |
1566 | reset($_match); | |
1567 | foreach($_match as $_var) { | |
1568 | $var_expr = str_replace ($_var, '".' . $this->_parse_var(str_replace('`','',$_var)) . '."', $var_expr); | |
1569 | } | |
1570 | $_return = preg_replace('%\.""|(?<!\\\\)""\.%', '', $var_expr); | |
1571 | } else { | |
1572 | $_return = $var_expr; | |
1573 | } | |
1574 | // replace double quoted literal string with single quotes | |
1575 | $_return = preg_replace('!^"([\s\w]+)"$!',"'\\1'",$_return); | |
1576 | return $_return; | |
1577 | } | |
1578 | ||
1579 | /** | |
1580 | * parse variable expression into PHP code or static value | |
1581 | * | |
1582 | * @param string $var_expr | |
1583 | * @return string | |
1584 | */ | |
1585 | function _parse_var($var_expr) | |
1586 | { | |
1587 | // inform the calling expression the return type (php, static) | |
1588 | $this->_output_type = 'php'; | |
1589 | ||
1590 | $_math_vars = preg_split('!('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')!', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE); | |
1591 | if(count($_math_vars) > 1) | |
1592 | { | |
1593 | $_output = ""; | |
1594 | $_complete_var = ""; | |
1595 | // simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter) | |
1596 | $_has_math = false; | |
1597 | foreach($_math_vars as $_k => $_math_var) | |
1598 | { | |
1599 | $_math_var = $_math_vars[$_k]; | |
1600 | if(!empty($_math_var)) | |
1601 | { | |
1602 | // hit a math operator, so process the stuff which came before it | |
1603 | if(preg_match('!^' . $this->_dvar_math_regexp . '$!', $_math_var)) | |
1604 | { | |
1605 | $_has_math = true; | |
1606 | if(!empty($_complete_var)) | |
1607 | { | |
1608 | $_output .= $this->_parse_var($_complete_var); | |
1609 | } | |
1610 | ||
1611 | // just output the math operator to php | |
1612 | $_output .= $_math_var; | |
1613 | ||
1614 | $_complete_var = ""; | |
1615 | } | |
1616 | else | |
1617 | { | |
1618 | // fetch multiple -> (like $foo->bar->baz ) which wouldn't get fetched else, because it would only get $foo->bar and treat the ->baz as "-" ">baz" then | |
1619 | for($_i = $_k + 1; $_i <= count($_math_vars); $_i += 2) | |
1620 | { | |
1621 | // fetch -> because it gets splitted at - and move it back together | |
1622 | if( /* prevent notice */ (isset($_math_vars[$_i]) && isset($_math_vars[$_i+1])) && ($_math_vars[$_i] === '-' && $_math_vars[$_i+1]{0} === '>')) | |
1623 | { | |
1624 | $_math_var .= $_math_vars[$_i].$_math_vars[$_i+1]; | |
1625 | $_math_vars[$_i] = $_math_vars[$_i+1] = ''; | |
1626 | } | |
1627 | else | |
1628 | break; | |
1629 | } | |
1630 | $_complete_var .= $_math_var; | |
1631 | } | |
1632 | } | |
1633 | } | |
1634 | if($_has_math) | |
1635 | { | |
1636 | if(!empty($_complete_var)) | |
1637 | $_output .= $this->_parse_var($_complete_var); | |
1638 | ||
1639 | return $_output; | |
1640 | } | |
1641 | } | |
1642 | ||
1643 | ||
1644 | preg_match('!(' . $this->_dvar_num_var_regexp . '*|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . ')(' . $this->_mod_regexp . '*)$!', $var_expr, $match); | |
1645 | ||
1646 | // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) | |
1647 | if(!is_numeric($match[1]{0})) | |
1648 | $_var_ref = substr($match[1],1); | |
1649 | else | |
1650 | $_var_ref = $match[1]; | |
1651 | ||
1652 | $modifiers = $match[2]; | |
1653 | ||
1654 | ||
1655 | if(!empty($this->default_modifiers) && !preg_match('!(^|\|)smarty:nodefaults($|\|)!',$modifiers)) { | |
1656 | $_default_mod_string = implode('|',(array)$this->default_modifiers); | |
1657 | $modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers; | |
1658 | } | |
1659 | ||
1660 | // get [foo] and .foo and ->foo and (...) pieces | |
1661 | preg_match_all('!(?:^\w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->\$?\w+|\.\$?\w+|\S+!', $_var_ref, $match); | |
1662 | ||
1663 | $_indexes = $match[0]; | |
1664 | $_var_name = array_shift($_indexes); | |
1665 | ||
1666 | /* Handle $smarty.* variable references as a special case. */ | |
1667 | if ($_var_name == 'smarty') { | |
1668 | /* | |
1669 | * If the reference could be compiled, use the compiled output; | |
1670 | * otherwise, fall back on the $smarty variable generated at | |
1671 | * run-time. | |
1672 | */ | |
1673 | if (($smarty_ref = $this->_compile_smarty_ref($_indexes)) !== null) { | |
1674 | $_output = $smarty_ref; | |
1675 | } else { | |
1676 | $_var_name = substr(array_shift($_indexes), 1); | |
1677 | $_output = "\$this->_smarty_vars['$_var_name']"; | |
1678 | } | |
1679 | } elseif(is_numeric($_var_name) && is_numeric($var_expr{0})) { | |
1680 | // because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers | |
1681 | if(count($_indexes) > 0) | |
1682 | { | |
1683 | $_var_name .= implode("", $_indexes); | |
1684 | $_indexes = array(); | |
1685 | } | |
1686 | $_output = $_var_name; | |
1687 | } else { | |
1688 | $_output = "\$this->_tpl_vars['$_var_name']"; | |
1689 | } | |
1690 | ||
1691 | foreach ($_indexes as $_index) { | |
1692 | if ($_index{0} == '[') { | |
1693 | $_index = substr($_index, 1, -1); | |
1694 | if (is_numeric($_index)) { | |
1695 | $_output .= "[$_index]"; | |
1696 | } elseif ($_index{0} == '$') { | |
1697 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 1) . "']]"; | |
1698 | } else { | |
1699 | $_var_parts = explode('.', $_index); | |
1700 | $_var_section = $_var_parts[0]; | |
1701 | $_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index'; | |
1702 | $_output .= "[\$this->_sections['$_var_section']['$_var_section_prop']]"; | |
1703 | } | |
1704 | } else if ($_index{0} == '.') { | |
1705 | if ($_index{1} == '$') | |
1706 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 2) . "']]"; | |
1707 | else | |
1708 | $_output .= "['" . substr($_index, 1) . "']"; | |
1709 | } else if (substr($_index,0,2) == '->') { | |
1710 | if(substr($_index,2,2) == '__') { | |
1711 | $this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
1712 | } elseif($this->security && substr($_index, 2, 1) == '_') { | |
1713 | $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
1714 | } elseif ($_index{2} == '$') { | |
1715 | if ($this->security) { | |
1716 | $this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
1717 | } else { | |
1718 | $_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}'; | |
1719 | } | |
1720 | } else { | |
1721 | $_output .= $_index; | |
1722 | } | |
1723 | } elseif ($_index{0} == '(') { | |
1724 | $_index = $this->_parse_parenth_args($_index); | |
1725 | $_output .= $_index; | |
1726 | } else { | |
1727 | $_output .= $_index; | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | $this->_parse_modifiers($_output, $modifiers); | |
1732 | ||
1733 | return $_output; | |
1734 | } | |
1735 | ||
1736 | /** | |
1737 | * parse arguments in function call parenthesis | |
1738 | * | |
1739 | * @param string $parenth_args | |
1740 | * @return string | |
1741 | */ | |
1742 | function _parse_parenth_args($parenth_args) | |
1743 | { | |
1744 | preg_match_all('!' . $this->_param_regexp . '!',$parenth_args, $match); | |
1745 | $match = $match[0]; | |
1746 | rsort($match); | |
1747 | reset($match); | |
1748 | $orig_vals = $match; | |
1749 | $this->_parse_vars_props($match); | |
1750 | return str_replace($orig_vals, $match, $parenth_args); | |
1751 | } | |
1752 | ||
1753 | /** | |
1754 | * parse configuration variable expression into PHP code | |
1755 | * | |
1756 | * @param string $conf_var_expr | |
1757 | */ | |
1758 | function _parse_conf_var($conf_var_expr) | |
1759 | { | |
1760 | $parts = explode('|', $conf_var_expr, 2); | |
1761 | $var_ref = $parts[0]; | |
1762 | $modifiers = isset($parts[1]) ? $parts[1] : ''; | |
1763 | ||
1764 | $var_name = substr($var_ref, 1, -1); | |
1765 | ||
1766 | $output = "\$this->_config[0]['vars']['$var_name']"; | |
1767 | ||
1768 | $this->_parse_modifiers($output, $modifiers); | |
1769 | ||
1770 | return $output; | |
1771 | } | |
1772 | ||
1773 | /** | |
1774 | * parse section property expression into PHP code | |
1775 | * | |
1776 | * @param string $section_prop_expr | |
1777 | * @return string | |
1778 | */ | |
1779 | function _parse_section_prop($section_prop_expr) | |
1780 | { | |
1781 | $parts = explode('|', $section_prop_expr, 2); | |
1782 | $var_ref = $parts[0]; | |
1783 | $modifiers = isset($parts[1]) ? $parts[1] : ''; | |
1784 | ||
1785 | preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); | |
1786 | $section_name = $match[1]; | |
1787 | $prop_name = $match[2]; | |
1788 | ||
1789 | $output = "\$this->_sections['$section_name']['$prop_name']"; | |
1790 | ||
1791 | $this->_parse_modifiers($output, $modifiers); | |
1792 | ||
1793 | return $output; | |
1794 | } | |
1795 | ||
1796 | ||
1797 | /** | |
1798 | * parse modifier chain into PHP code | |
1799 | * | |
1800 | * sets $output to parsed modified chain | |
1801 | * @param string $output | |
1802 | * @param string $modifier_string | |
1803 | */ | |
1804 | function _parse_modifiers(&$output, $modifier_string) | |
1805 | { | |
1806 | preg_match_all('!\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)!', '|' . $modifier_string, $_match); | |
1807 | list(, $_modifiers, $modifier_arg_strings) = $_match; | |
1808 | ||
1809 | for ($_i = 0, $_for_max = count($_modifiers); $_i < $_for_max; $_i++) { | |
1810 | $_modifier_name = $_modifiers[$_i]; | |
1811 | ||
1812 | if($_modifier_name == 'smarty') { | |
1813 | // skip smarty modifier | |
1814 | continue; | |
1815 | } | |
1816 | ||
1817 | preg_match_all('!:(' . $this->_qstr_regexp . '|[^:]+)!', $modifier_arg_strings[$_i], $_match); | |
1818 | $_modifier_args = $_match[1]; | |
1819 | ||
1820 | if ($_modifier_name{0} == '@') { | |
1821 | $_map_array = false; | |
1822 | $_modifier_name = substr($_modifier_name, 1); | |
1823 | } else { | |
1824 | $_map_array = true; | |
1825 | } | |
1826 | ||
1827 | $this->_add_plugin('modifier', $_modifier_name); | |
1828 | if (empty($this->_plugins['modifier'][$_modifier_name]) | |
1829 | && !$this->_get_plugin_filepath('modifier', $_modifier_name) | |
1830 | && function_exists($_modifier_name)) { | |
1831 | if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) { | |
1832 | $this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $_tpl_file, $_tpl_line, __FILE__, __LINE__); | |
1833 | } else { | |
1834 | $this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false); | |
1835 | } | |
1836 | } | |
1837 | ||
1838 | $this->_parse_vars_props($_modifier_args); | |
1839 | ||
1840 | if($_modifier_name == 'default') { | |
1841 | // supress notifications of default modifier vars and args | |
1842 | if($output{0} == '$') { | |
1843 | $output = '@' . $output; | |
1844 | } | |
1845 | if(isset($_modifier_args[0]) && $_modifier_args[0]{0} == '$') { | |
1846 | $_modifier_args[0] = '@' . $_modifier_args[0]; | |
1847 | } | |
1848 | } | |
1849 | if (count($_modifier_args) > 0) | |
1850 | $_modifier_args = ', '.implode(', ', $_modifier_args); | |
1851 | else | |
1852 | $_modifier_args = ''; | |
1853 | ||
1854 | if ($_map_array) { | |
1855 | $output = "((is_array(\$_tmp=$output)) ? \$this->_run_mod_handler('$_modifier_name', true, \$_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "(\$_tmp$_modifier_args))"; | |
1856 | ||
1857 | } else { | |
1858 | ||
1859 | $output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)"; | |
1860 | ||
1861 | } | |
1862 | } | |
1863 | } | |
1864 | ||
1865 | ||
1866 | /** | |
1867 | * add plugin | |
1868 | * | |
1869 | * @param string $type | |
1870 | * @param string $name | |
1871 | * @param boolean? $delayed_loading | |
1872 | */ | |
1873 | function _add_plugin($type, $name, $delayed_loading = null) | |
1874 | { | |
1875 | if (!isset($this->_plugin_info[$type])) { | |
1876 | $this->_plugin_info[$type] = array(); | |
1877 | } | |
1878 | if (!isset($this->_plugin_info[$type][$name])) { | |
1879 | $this->_plugin_info[$type][$name] = array($this->_current_file, | |
1880 | $this->_current_line_no, | |
1881 | $delayed_loading); | |
1882 | } | |
1883 | } | |
1884 | ||
1885 | ||
1886 | /** | |
1887 | * Compiles references of type $smarty.foo | |
1888 | * | |
1889 | * @param string $indexes | |
1890 | * @return string | |
1891 | */ | |
1892 | function _compile_smarty_ref(&$indexes) | |
1893 | { | |
1894 | /* Extract the reference name. */ | |
1895 | $_ref = substr($indexes[0], 1); | |
1896 | foreach($indexes as $_index_no=>$_index) { | |
1897 | if ($_index{0} != '.' && $_index_no<2 || !preg_match('!^(\.|\[|->)!', $_index)) { | |
1898 | $this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | switch ($_ref) { | |
1903 | case 'now': | |
1904 | $compiled_ref = 'time()'; | |
1905 | $_max_index = 1; | |
1906 | break; | |
1907 | ||
1908 | case 'foreach': | |
1909 | case 'section': | |
1910 | array_shift($indexes); | |
1911 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); | |
1912 | if ($_ref == 'foreach') | |
1913 | $compiled_ref = "\$this->_foreach[$_var]"; | |
1914 | else | |
1915 | $compiled_ref = "\$this->_sections[$_var]"; | |
1916 | break; | |
1917 | ||
1918 | case 'get': | |
1919 | $compiled_ref = ($this->request_use_auto_globals) ? '$_GET' : "\$GLOBALS['HTTP_GET_VARS']"; | |
1920 | break; | |
1921 | ||
1922 | case 'post': | |
1923 | $compiled_ref = ($this->request_use_auto_globals) ? '$_POST' : "\$GLOBALS['HTTP_POST_VARS']"; | |
1924 | break; | |
1925 | ||
1926 | case 'cookies': | |
1927 | $compiled_ref = ($this->request_use_auto_globals) ? '$_COOKIE' : "\$GLOBALS['HTTP_COOKIE_VARS']"; | |
1928 | break; | |
1929 | ||
1930 | case 'env': | |
1931 | $compiled_ref = ($this->request_use_auto_globals) ? '$_ENV' : "\$GLOBALS['HTTP_ENV_VARS']"; | |
1932 | break; | |
1933 | ||
1934 | case 'server': | |
1935 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SERVER' : "\$GLOBALS['HTTP_SERVER_VARS']"; | |
1936 | break; | |
1937 | ||
1938 | case 'session': | |
1939 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SESSION' : "\$GLOBALS['HTTP_SESSION_VARS']"; | |
1940 | break; | |
1941 | ||
1942 | /* | |
1943 | * These cases are handled either at run-time or elsewhere in the | |
1944 | * compiler. | |
1945 | */ | |
1946 | case 'request': | |
1947 | if ($this->request_use_auto_globals) { | |
1948 | $compiled_ref = '$_REQUEST'; | |
1949 | break; | |
1950 | } else { | |
1951 | $this->_init_smarty_vars = true; | |
1952 | } | |
1953 | return null; | |
1954 | ||
1955 | case 'capture': | |
1956 | return null; | |
1957 | ||
1958 | case 'template': | |
1959 | $compiled_ref = "'$this->_current_file'"; | |
1960 | $_max_index = 1; | |
1961 | break; | |
1962 | ||
1963 | case 'version': | |
1964 | $compiled_ref = "'$this->_version'"; | |
1965 | $_max_index = 1; | |
1966 | break; | |
1967 | ||
1968 | case 'const': | |
1969 | array_shift($indexes); | |
1970 | $_val = $this->_parse_var_props(substr($indexes[0],1)); | |
1971 | $compiled_ref = '@constant(' . $_val . ')'; | |
1972 | $_max_index = 1; | |
1973 | break; | |
1974 | ||
1975 | case 'config': | |
1976 | $compiled_ref = "\$this->_config[0]['vars']"; | |
1977 | $_max_index = 2; | |
1978 | break; | |
1979 | ||
1980 | default: | |
1981 | $this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__); | |
1982 | break; | |
1983 | } | |
1984 | ||
1985 | if (isset($_max_index) && count($indexes) > $_max_index) { | |
1986 | $this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); | |
1987 | } | |
1988 | ||
1989 | array_shift($indexes); | |
1990 | return $compiled_ref; | |
1991 | } | |
1992 | ||
1993 | /** | |
1994 | * compiles call to plugin of type $type with name $name | |
1995 | * returns a string containing the function-name or method call | |
1996 | * without the paramter-list that would have follow to make the | |
1997 | * call valid php-syntax | |
1998 | * | |
1999 | * @param string $type | |
2000 | * @param string $name | |
2001 | * @return string | |
2002 | */ | |
2003 | function _compile_plugin_call($type, $name) { | |
2004 | if (isset($this->_plugins[$type][$name])) { | |
2005 | /* plugin loaded */ | |
2006 | if (is_array($this->_plugins[$type][$name][0])) { | |
2007 | return ((is_object($this->_plugins[$type][$name][0][0])) ? | |
2008 | "\$this->_plugins['$type']['$name'][0][0]->" /* method callback */ | |
2009 | : (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */ | |
2010 | ). $this->_plugins[$type][$name][0][1]; | |
2011 | ||
2012 | } else { | |
2013 | /* function callback */ | |
2014 | return $this->_plugins[$type][$name][0]; | |
2015 | ||
2016 | } | |
2017 | } else { | |
2018 | /* plugin not loaded -> auto-loadable-plugin */ | |
2019 | return 'smarty_'.$type.'_'.$name; | |
2020 | ||
2021 | } | |
2022 | } | |
2023 | ||
2024 | /** | |
2025 | * load pre- and post-filters | |
2026 | */ | |
2027 | function _load_filters() | |
2028 | { | |
2029 | if (count($this->_plugins['prefilter']) > 0) { | |
2030 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { | |
2031 | if ($prefilter === false) { | |
2032 | unset($this->_plugins['prefilter'][$filter_name]); | |
2033 | $_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false))); | |
2034 | require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.load_plugins.php'); | |
2035 | smarty_core_load_plugins($_params, $this); | |
2036 | } | |
2037 | } | |
2038 | } | |
2039 | if (count($this->_plugins['postfilter']) > 0) { | |
2040 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { | |
2041 | if ($postfilter === false) { | |
2042 | unset($this->_plugins['postfilter'][$filter_name]); | |
2043 | $_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false))); | |
2044 | require_once(SMARTY_DIR . 'core' . DIRECTORY_SEPARATOR . 'core.load_plugins.php'); | |
2045 | smarty_core_load_plugins($_params, $this); | |
2046 | } | |
2047 | } | |
2048 | } | |
2049 | } | |
2050 | ||
2051 | ||
2052 | /** | |
2053 | * display Smarty syntax error | |
2054 | * | |
2055 | * @param string $error_msg | |
2056 | * @param integer $error_type | |
2057 | * @param string $file | |
2058 | * @param integer $line | |
2059 | */ | |
2060 | function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null) | |
2061 | { | |
2062 | if(isset($file) && isset($line)) { | |
2063 | $info = ' ('.basename($file).", line $line)"; | |
2064 | } else { | |
2065 | $info = null; | |
2066 | } | |
2067 | trigger_error('Smarty: [in ' . $this->_current_file . ' line ' . | |
2068 | $this->_current_line_no . "]: syntax error: $error_msg$info", $error_type); | |
2069 | } | |
2070 | ||
2071 | ||
2072 | /** | |
2073 | * check if the compilation changes from cacheable to | |
2074 | * non-cacheable state with the beginning of the current | |
2075 | * plugin. return php-code to reflect the transition. | |
2076 | * @return string | |
2077 | */ | |
2078 | function _push_cacheable_state($type, $name) { | |
2079 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; | |
2080 | if ($_cacheable | |
2081 | || 0<$this->_cacheable_state++) return ''; | |
2082 | if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty')); | |
2083 | $_ret = 'if ($this->caching) { echo \'{nocache:' | |
2084 | . $this->_cache_serial . '#' . $this->_nocache_count | |
2085 | . '}\';}'; | |
2086 | return $_ret; | |
2087 | } | |
2088 | ||
2089 | ||
2090 | /** | |
2091 | * check if the compilation changes from non-cacheable to | |
2092 | * cacheable state with the end of the current plugin return | |
2093 | * php-code to reflect the transition. | |
2094 | * @return string | |
2095 | */ | |
2096 | function _pop_cacheable_state($type, $name) { | |
2097 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; | |
2098 | if ($_cacheable | |
2099 | || --$this->_cacheable_state>0) return ''; | |
2100 | return 'if ($this->caching) { echo \'{/nocache:' | |
2101 | . $this->_cache_serial . '#' . ($this->_nocache_count++) | |
2102 | . '}\';}'; | |
2103 | } | |
2104 | ||
2105 | } | |
2106 | ||
2107 | /** | |
2108 | * compare to values by their string length | |
2109 | * | |
2110 | * @access private | |
2111 | * @param string $a | |
2112 | * @param string $b | |
2113 | * @return 0|-1|1 | |
2114 | */ | |
2115 | function _smarty_sort_length($a, $b) | |
2116 | { | |
2117 | if($a == $b) | |
2118 | return 0; | |
2119 | ||
2120 | if(strlen($a) == strlen($b)) | |
2121 | return ($a > $b) ? -1 : 1; | |
2122 | ||
2123 | return (strlen($a) > strlen($b)) ? -1 : 1; | |
2124 | } | |
2125 | ||
2126 | ||
2127 | /* vim: set et: */ | |
2128 | ||
2129 | ?> |