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51ff3226 | 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 | * @link http://smarty.php.net/ | |
22 | * @author Monte Ohrt <monte at ohrt dot com> | |
23 | * @author Andrei Zmievski <andrei@php.net> | |
9b7c11be | 24 | * @version 2.6.26 |
51ff3226 | 25 | * @copyright 2001-2005 New Digital Group, Inc. |
26 | * @package Smarty | |
27 | */ | |
28 | ||
9b7c11be | 29 | /* $Id: Smarty_Compiler.class.php 3163 2009-06-17 14:39:24Z monte.ohrt $ */ |
51ff3226 | 30 | |
31 | /** | |
32 | * Template compiling class | |
33 | * @package Smarty | |
34 | */ | |
35 | class Smarty_Compiler extends Smarty { | |
36 | ||
37 | // internal vars | |
38 | /**#@+ | |
39 | * @access private | |
40 | */ | |
41 | var $_folded_blocks = array(); // keeps folded template blocks | |
42 | var $_current_file = null; // the current template being compiled | |
43 | var $_current_line_no = 1; // line number for error messages | |
44 | var $_capture_stack = array(); // keeps track of nested capture buffers | |
45 | var $_plugin_info = array(); // keeps track of plugins to load | |
46 | var $_init_smarty_vars = false; | |
47 | var $_permitted_tokens = array('true','false','yes','no','on','off','null'); | |
48 | var $_db_qstr_regexp = null; // regexps are setup in the constructor | |
49 | var $_si_qstr_regexp = null; | |
50 | var $_qstr_regexp = null; | |
51 | var $_func_regexp = null; | |
52 | var $_reg_obj_regexp = null; | |
53 | var $_var_bracket_regexp = null; | |
54 | var $_num_const_regexp = null; | |
55 | var $_dvar_guts_regexp = null; | |
56 | var $_dvar_regexp = null; | |
57 | var $_cvar_regexp = null; | |
58 | var $_svar_regexp = null; | |
59 | var $_avar_regexp = null; | |
60 | var $_mod_regexp = null; | |
61 | var $_var_regexp = null; | |
62 | var $_parenth_param_regexp = null; | |
63 | var $_func_call_regexp = null; | |
64 | var $_obj_ext_regexp = null; | |
65 | var $_obj_start_regexp = null; | |
66 | var $_obj_params_regexp = null; | |
67 | var $_obj_call_regexp = null; | |
68 | var $_cacheable_state = 0; | |
69 | var $_cache_attrs_count = 0; | |
70 | var $_nocache_count = 0; | |
71 | var $_cache_serial = null; | |
72 | var $_cache_include = null; | |
73 | ||
74 | var $_strip_depth = 0; | |
75 | var $_additional_newline = "\n"; | |
76 | ||
77 | /**#@-*/ | |
78 | /** | |
79 | * The class constructor. | |
80 | */ | |
81 | function Smarty_Compiler() | |
82 | { | |
83 | // matches double quoted strings: | |
84 | // "foobar" | |
85 | // "foo\"bar" | |
86 | $this->_db_qstr_regexp = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"'; | |
87 | ||
88 | // matches single quoted strings: | |
89 | // 'foobar' | |
90 | // 'foo\'bar' | |
91 | $this->_si_qstr_regexp = '\'[^\'\\\\]*(?:\\\\.[^\'\\\\]*)*\''; | |
92 | ||
93 | // matches single or double quoted strings | |
94 | $this->_qstr_regexp = '(?:' . $this->_db_qstr_regexp . '|' . $this->_si_qstr_regexp . ')'; | |
95 | ||
96 | // matches bracket portion of vars | |
97 | // [0] | |
98 | // [foo] | |
99 | // [$bar] | |
100 | $this->_var_bracket_regexp = '\[\$?[\w\.]+\]'; | |
101 | ||
102 | // matches numerical constants | |
103 | // 30 | |
104 | // -12 | |
105 | // 13.22 | |
106 | $this->_num_const_regexp = '(?:\-?\d+(?:\.\d+)?)'; | |
107 | ||
108 | // matches $ vars (not objects): | |
109 | // $foo | |
110 | // $foo.bar | |
111 | // $foo.bar.foobar | |
112 | // $foo[0] | |
113 | // $foo[$bar] | |
114 | // $foo[5][blah] | |
115 | // $foo[5].bar[$foobar][4] | |
116 | $this->_dvar_math_regexp = '(?:[\+\*\/\%]|(?:-(?!>)))'; | |
117 | $this->_dvar_math_var_regexp = '[\$\w\.\+\-\*\/\%\d\>\[\]]'; | |
118 | $this->_dvar_guts_regexp = '\w+(?:' . $this->_var_bracket_regexp | |
119 | . ')*(?:\.\$?\w+(?:' . $this->_var_bracket_regexp . ')*)*(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?'; | |
120 | $this->_dvar_regexp = '\$' . $this->_dvar_guts_regexp; | |
121 | ||
122 | // matches config vars: | |
123 | // #foo# | |
124 | // #foobar123_foo# | |
125 | $this->_cvar_regexp = '\#\w+\#'; | |
126 | ||
127 | // matches section vars: | |
128 | // %foo.bar% | |
129 | $this->_svar_regexp = '\%\w+\.\w+\%'; | |
130 | ||
131 | // matches all valid variables (no quotes, no modifiers) | |
132 | $this->_avar_regexp = '(?:' . $this->_dvar_regexp . '|' | |
133 | . $this->_cvar_regexp . '|' . $this->_svar_regexp . ')'; | |
134 | ||
135 | // matches valid variable syntax: | |
136 | // $foo | |
137 | // $foo | |
138 | // #foo# | |
139 | // #foo# | |
140 | // "text" | |
141 | // "text" | |
142 | $this->_var_regexp = '(?:' . $this->_avar_regexp . '|' . $this->_qstr_regexp . ')'; | |
143 | ||
144 | // matches valid object call (one level of object nesting allowed in parameters): | |
145 | // $foo->bar | |
146 | // $foo->bar() | |
147 | // $foo->bar("text") | |
148 | // $foo->bar($foo, $bar, "text") | |
149 | // $foo->bar($foo, "foo") | |
150 | // $foo->bar->foo() | |
151 | // $foo->bar->foo->bar() | |
152 | // $foo->bar($foo->bar) | |
153 | // $foo->bar($foo->bar()) | |
154 | // $foo->bar($foo->bar($blah,$foo,44,"foo",$foo[0].bar)) | |
155 | $this->_obj_ext_regexp = '\->(?:\$?' . $this->_dvar_guts_regexp . ')'; | |
156 | $this->_obj_restricted_param_regexp = '(?:' | |
157 | . '(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')(?:' . $this->_obj_ext_regexp . '(?:\((?:(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . ')' | |
158 | . '(?:\s*,\s*(?:' . $this->_var_regexp . '|' . $this->_num_const_regexp . '))*)?\))?)*)'; | |
159 | $this->_obj_single_param_regexp = '(?:\w+|' . $this->_obj_restricted_param_regexp . '(?:\s*,\s*(?:(?:\w+|' | |
160 | . $this->_var_regexp . $this->_obj_restricted_param_regexp . ')))*)'; | |
161 | $this->_obj_params_regexp = '\((?:' . $this->_obj_single_param_regexp | |
162 | . '(?:\s*,\s*' . $this->_obj_single_param_regexp . ')*)?\)'; | |
163 | $this->_obj_start_regexp = '(?:' . $this->_dvar_regexp . '(?:' . $this->_obj_ext_regexp . ')+)'; | |
164 | $this->_obj_call_regexp = '(?:' . $this->_obj_start_regexp . '(?:' . $this->_obj_params_regexp . ')?(?:' . $this->_dvar_math_regexp . '(?:' . $this->_num_const_regexp . '|' . $this->_dvar_math_var_regexp . ')*)?)'; | |
9b7c11be | 165 | |
51ff3226 | 166 | // matches valid modifier syntax: |
167 | // |foo | |
168 | // |@foo | |
169 | // |foo:"bar" | |
170 | // |foo:$bar | |
171 | // |foo:"bar":$foobar | |
172 | // |foo|bar | |
173 | // |foo:$foo->bar | |
174 | $this->_mod_regexp = '(?:\|@?\w+(?::(?:\w+|' . $this->_num_const_regexp . '|' | |
175 | . $this->_obj_call_regexp . '|' . $this->_avar_regexp . '|' . $this->_qstr_regexp .'))*)'; | |
176 | ||
177 | // matches valid function name: | |
178 | // foo123 | |
179 | // _foo_bar | |
180 | $this->_func_regexp = '[a-zA-Z_]\w*'; | |
181 | ||
182 | // matches valid registered object: | |
183 | // foo->bar | |
184 | $this->_reg_obj_regexp = '[a-zA-Z_]\w*->[a-zA-Z_]\w*'; | |
185 | ||
186 | // matches valid parameter values: | |
187 | // true | |
188 | // $foo | |
189 | // $foo|bar | |
190 | // #foo# | |
191 | // #foo#|bar | |
192 | // "text" | |
193 | // "text"|bar | |
194 | // $foo->bar | |
195 | $this->_param_regexp = '(?:\s*(?:' . $this->_obj_call_regexp . '|' | |
196 | . $this->_var_regexp . '|' . $this->_num_const_regexp . '|\w+)(?>' . $this->_mod_regexp . '*)\s*)'; | |
197 | ||
198 | // matches valid parenthesised function parameters: | |
199 | // | |
200 | // "text" | |
201 | // $foo, $bar, "text" | |
202 | // $foo|bar, "foo"|bar, $foo->bar($foo)|bar | |
203 | $this->_parenth_param_regexp = '(?:\((?:\w+|' | |
204 | . $this->_param_regexp . '(?:\s*,\s*(?:(?:\w+|' | |
205 | . $this->_param_regexp . ')))*)?\))'; | |
206 | ||
207 | // matches valid function call: | |
208 | // foo() | |
209 | // foo_bar($foo) | |
210 | // _foo_bar($foo,"bar") | |
211 | // foo123($foo,$foo->bar(),"foo") | |
212 | $this->_func_call_regexp = '(?:' . $this->_func_regexp . '\s*(?:' | |
213 | . $this->_parenth_param_regexp . '))'; | |
214 | } | |
215 | ||
216 | /** | |
217 | * compile a resource | |
218 | * | |
219 | * sets $compiled_content to the compiled source | |
220 | * @param string $resource_name | |
221 | * @param string $source_content | |
222 | * @param string $compiled_content | |
223 | * @return true | |
224 | */ | |
225 | function _compile_file($resource_name, $source_content, &$compiled_content) | |
226 | { | |
227 | ||
228 | if ($this->security) { | |
229 | // do not allow php syntax to be executed unless specified | |
230 | if ($this->php_handling == SMARTY_PHP_ALLOW && | |
231 | !$this->security_settings['PHP_HANDLING']) { | |
232 | $this->php_handling = SMARTY_PHP_PASSTHRU; | |
233 | } | |
234 | } | |
235 | ||
236 | $this->_load_filters(); | |
237 | ||
238 | $this->_current_file = $resource_name; | |
239 | $this->_current_line_no = 1; | |
240 | $ldq = preg_quote($this->left_delimiter, '~'); | |
241 | $rdq = preg_quote($this->right_delimiter, '~'); | |
242 | ||
243 | // run template source through prefilter functions | |
244 | if (count($this->_plugins['prefilter']) > 0) { | |
245 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { | |
246 | if ($prefilter === false) continue; | |
247 | if ($prefilter[3] || is_callable($prefilter[0])) { | |
248 | $source_content = call_user_func_array($prefilter[0], | |
249 | array($source_content, &$this)); | |
250 | $this->_plugins['prefilter'][$filter_name][3] = true; | |
251 | } else { | |
252 | $this->_trigger_fatal_error("[plugin] prefilter '$filter_name' is not implemented"); | |
253 | } | |
254 | } | |
255 | } | |
256 | ||
257 | /* fetch all special blocks */ | |
258 | $search = "~{$ldq}\*(.*?)\*{$rdq}|{$ldq}\s*literal\s*{$rdq}(.*?){$ldq}\s*/literal\s*{$rdq}|{$ldq}\s*php\s*{$rdq}(.*?){$ldq}\s*/php\s*{$rdq}~s"; | |
259 | ||
260 | preg_match_all($search, $source_content, $match, PREG_SET_ORDER); | |
261 | $this->_folded_blocks = $match; | |
262 | reset($this->_folded_blocks); | |
263 | ||
264 | /* replace special blocks by "{php}" */ | |
265 | $source_content = preg_replace($search.'e', "'" | |
266 | . $this->_quote_replace($this->left_delimiter) . 'php' | |
267 | . "' . str_repeat(\"\n\", substr_count('\\0', \"\n\")) .'" | |
268 | . $this->_quote_replace($this->right_delimiter) | |
269 | . "'" | |
270 | , $source_content); | |
271 | ||
272 | /* Gather all template tags. */ | |
273 | preg_match_all("~{$ldq}\s*(.*?)\s*{$rdq}~s", $source_content, $_match); | |
274 | $template_tags = $_match[1]; | |
275 | /* Split content by template tags to obtain non-template content. */ | |
276 | $text_blocks = preg_split("~{$ldq}.*?{$rdq}~s", $source_content); | |
277 | ||
278 | /* loop through text blocks */ | |
279 | for ($curr_tb = 0, $for_max = count($text_blocks); $curr_tb < $for_max; $curr_tb++) { | |
280 | /* match anything resembling php tags */ | |
9b7c11be | 281 | if (preg_match_all('~(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?\s*php\s*[\"\']?)~is', $text_blocks[$curr_tb], $sp_match)) { |
51ff3226 | 282 | /* replace tags with placeholders to prevent recursive replacements */ |
283 | $sp_match[1] = array_unique($sp_match[1]); | |
284 | usort($sp_match[1], '_smarty_sort_length'); | |
285 | for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) { | |
286 | $text_blocks[$curr_tb] = str_replace($sp_match[1][$curr_sp],'%%%SMARTYSP'.$curr_sp.'%%%',$text_blocks[$curr_tb]); | |
287 | } | |
288 | /* process each one */ | |
289 | for ($curr_sp = 0, $for_max2 = count($sp_match[1]); $curr_sp < $for_max2; $curr_sp++) { | |
290 | if ($this->php_handling == SMARTY_PHP_PASSTHRU) { | |
291 | /* echo php contents */ | |
292 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '<?php echo \''.str_replace("'", "\'", $sp_match[1][$curr_sp]).'\'; ?>'."\n", $text_blocks[$curr_tb]); | |
293 | } else if ($this->php_handling == SMARTY_PHP_QUOTE) { | |
294 | /* quote php tags */ | |
295 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', htmlspecialchars($sp_match[1][$curr_sp]), $text_blocks[$curr_tb]); | |
296 | } else if ($this->php_handling == SMARTY_PHP_REMOVE) { | |
297 | /* remove php tags */ | |
298 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', '', $text_blocks[$curr_tb]); | |
299 | } else { | |
300 | /* SMARTY_PHP_ALLOW, but echo non php starting tags */ | |
301 | $sp_match[1][$curr_sp] = preg_replace('~(<\?(?!php|=|$))~i', '<?php echo \'\\1\'?>'."\n", $sp_match[1][$curr_sp]); | |
302 | $text_blocks[$curr_tb] = str_replace('%%%SMARTYSP'.$curr_sp.'%%%', $sp_match[1][$curr_sp], $text_blocks[$curr_tb]); | |
303 | } | |
304 | } | |
305 | } | |
306 | } | |
9b7c11be | 307 | |
51ff3226 | 308 | /* Compile the template tags into PHP code. */ |
309 | $compiled_tags = array(); | |
310 | for ($i = 0, $for_max = count($template_tags); $i < $for_max; $i++) { | |
311 | $this->_current_line_no += substr_count($text_blocks[$i], "\n"); | |
312 | $compiled_tags[] = $this->_compile_tag($template_tags[$i]); | |
313 | $this->_current_line_no += substr_count($template_tags[$i], "\n"); | |
314 | } | |
315 | if (count($this->_tag_stack)>0) { | |
316 | list($_open_tag, $_line_no) = end($this->_tag_stack); | |
317 | $this->_syntax_error("unclosed tag \{$_open_tag} (opened line $_line_no).", E_USER_ERROR, __FILE__, __LINE__); | |
318 | return; | |
319 | } | |
320 | ||
321 | /* Reformat $text_blocks between 'strip' and '/strip' tags, | |
322 | removing spaces, tabs and newlines. */ | |
323 | $strip = false; | |
324 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { | |
325 | if ($compiled_tags[$i] == '{strip}') { | |
326 | $compiled_tags[$i] = ''; | |
327 | $strip = true; | |
328 | /* remove leading whitespaces */ | |
329 | $text_blocks[$i + 1] = ltrim($text_blocks[$i + 1]); | |
330 | } | |
331 | if ($strip) { | |
332 | /* strip all $text_blocks before the next '/strip' */ | |
333 | for ($j = $i + 1; $j < $for_max; $j++) { | |
334 | /* remove leading and trailing whitespaces of each line */ | |
335 | $text_blocks[$j] = preg_replace('![\t ]*[\r\n]+[\t ]*!', '', $text_blocks[$j]); | |
9b7c11be | 336 | if ($compiled_tags[$j] == '{/strip}') { |
51ff3226 | 337 | /* remove trailing whitespaces from the last text_block */ |
338 | $text_blocks[$j] = rtrim($text_blocks[$j]); | |
339 | } | |
340 | $text_blocks[$j] = "<?php echo '" . strtr($text_blocks[$j], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>"; | |
341 | if ($compiled_tags[$j] == '{/strip}') { | |
342 | $compiled_tags[$j] = "\n"; /* slurped by php, but necessary | |
343 | if a newline is following the closing strip-tag */ | |
344 | $strip = false; | |
345 | $i = $j; | |
346 | break; | |
347 | } | |
348 | } | |
349 | } | |
350 | } | |
351 | $compiled_content = ''; | |
9b7c11be H |
352 | |
353 | $tag_guard = '%%%SMARTYOTG' . md5(uniqid(rand(), true)) . '%%%'; | |
354 | ||
51ff3226 | 355 | /* Interleave the compiled contents and text blocks to get the final result. */ |
356 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { | |
357 | if ($compiled_tags[$i] == '') { | |
358 | // tag result empty, remove first newline from following text block | |
359 | $text_blocks[$i+1] = preg_replace('~^(\r\n|\r|\n)~', '', $text_blocks[$i+1]); | |
360 | } | |
9b7c11be H |
361 | // replace legit PHP tags with placeholder |
362 | $text_blocks[$i] = str_replace('<?', $tag_guard, $text_blocks[$i]); | |
363 | $compiled_tags[$i] = str_replace('<?', $tag_guard, $compiled_tags[$i]); | |
364 | ||
365 | $compiled_content .= $text_blocks[$i] . $compiled_tags[$i]; | |
51ff3226 | 366 | } |
9b7c11be H |
367 | $compiled_content .= str_replace('<?', $tag_guard, $text_blocks[$i]); |
368 | ||
369 | // escape php tags created by interleaving | |
370 | $compiled_content = str_replace('<?', "<?php echo '<?' ?>\n", $compiled_content); | |
371 | $compiled_content = preg_replace("~(?<!')language\s*=\s*[\"\']?\s*php\s*[\"\']?~", "<?php echo 'language=php' ?>\n", $compiled_content); | |
51ff3226 | 372 | |
9b7c11be H |
373 | // recover legit tags |
374 | $compiled_content = str_replace($tag_guard, '<?', $compiled_content); | |
375 | ||
51ff3226 | 376 | // remove \n from the end of the file, if any |
9b7c11be | 377 | if (strlen($compiled_content) && (substr($compiled_content, -1) == "\n") ) { |
51ff3226 | 378 | $compiled_content = substr($compiled_content, 0, -1); |
379 | } | |
380 | ||
381 | if (!empty($this->_cache_serial)) { | |
382 | $compiled_content = "<?php \$this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content; | |
383 | } | |
384 | ||
51ff3226 | 385 | // run compiled template through postfilter functions |
386 | if (count($this->_plugins['postfilter']) > 0) { | |
387 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { | |
388 | if ($postfilter === false) continue; | |
389 | if ($postfilter[3] || is_callable($postfilter[0])) { | |
390 | $compiled_content = call_user_func_array($postfilter[0], | |
391 | array($compiled_content, &$this)); | |
392 | $this->_plugins['postfilter'][$filter_name][3] = true; | |
393 | } else { | |
394 | $this->_trigger_fatal_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); | |
395 | } | |
396 | } | |
397 | } | |
398 | ||
399 | // put header at the top of the compiled template | |
400 | $template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n"; | |
401 | $template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n"; | |
402 | ||
403 | /* Emit code to load needed plugins. */ | |
404 | $this->_plugins_code = ''; | |
405 | if (count($this->_plugin_info)) { | |
406 | $_plugins_params = "array('plugins' => array("; | |
407 | foreach ($this->_plugin_info as $plugin_type => $plugins) { | |
408 | foreach ($plugins as $plugin_name => $plugin_info) { | |
409 | $_plugins_params .= "array('$plugin_type', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $plugin_info[1], "; | |
410 | $_plugins_params .= $plugin_info[2] ? 'true),' : 'false),'; | |
411 | } | |
412 | } | |
413 | $_plugins_params .= '))'; | |
414 | $plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n"; | |
415 | $template_header .= $plugins_code; | |
416 | $this->_plugin_info = array(); | |
417 | $this->_plugins_code = $plugins_code; | |
418 | } | |
419 | ||
420 | if ($this->_init_smarty_vars) { | |
421 | $template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n"; | |
422 | $this->_init_smarty_vars = false; | |
423 | } | |
424 | ||
425 | $compiled_content = $template_header . $compiled_content; | |
426 | return true; | |
427 | } | |
428 | ||
429 | /** | |
430 | * Compile a template tag | |
431 | * | |
432 | * @param string $template_tag | |
433 | * @return string | |
434 | */ | |
435 | function _compile_tag($template_tag) | |
436 | { | |
437 | /* Matched comment. */ | |
9b7c11be | 438 | if (substr($template_tag, 0, 1) == '*' && substr($template_tag, -1) == '*') |
51ff3226 | 439 | return ''; |
9b7c11be | 440 | |
51ff3226 | 441 | /* Split tag into two three parts: command, command modifiers and the arguments. */ |
442 | if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp | |
443 | . '|\/?' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*)) | |
444 | (?:\s+(.*))?$ | |
445 | ~xs', $template_tag, $match)) { | |
446 | $this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__); | |
447 | } | |
9b7c11be | 448 | |
51ff3226 | 449 | $tag_command = $match[1]; |
450 | $tag_modifier = isset($match[2]) ? $match[2] : null; | |
451 | $tag_args = isset($match[3]) ? $match[3] : null; | |
452 | ||
453 | if (preg_match('~^' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$~', $tag_command)) { | |
454 | /* tag name is a variable or object */ | |
455 | $_return = $this->_parse_var_props($tag_command . $tag_modifier); | |
456 | return "<?php echo $_return; ?>" . $this->_additional_newline; | |
457 | } | |
458 | ||
459 | /* If the tag name is a registered object, we process it. */ | |
460 | if (preg_match('~^\/?' . $this->_reg_obj_regexp . '$~', $tag_command)) { | |
461 | return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier); | |
462 | } | |
463 | ||
464 | switch ($tag_command) { | |
465 | case 'include': | |
466 | return $this->_compile_include_tag($tag_args); | |
467 | ||
468 | case 'include_php': | |
469 | return $this->_compile_include_php_tag($tag_args); | |
470 | ||
471 | case 'if': | |
472 | $this->_push_tag('if'); | |
473 | return $this->_compile_if_tag($tag_args); | |
474 | ||
475 | case 'else': | |
476 | list($_open_tag) = end($this->_tag_stack); | |
477 | if ($_open_tag != 'if' && $_open_tag != 'elseif') | |
478 | $this->_syntax_error('unexpected {else}', E_USER_ERROR, __FILE__, __LINE__); | |
479 | else | |
480 | $this->_push_tag('else'); | |
481 | return '<?php else: ?>'; | |
482 | ||
483 | case 'elseif': | |
484 | list($_open_tag) = end($this->_tag_stack); | |
485 | if ($_open_tag != 'if' && $_open_tag != 'elseif') | |
486 | $this->_syntax_error('unexpected {elseif}', E_USER_ERROR, __FILE__, __LINE__); | |
487 | if ($_open_tag == 'if') | |
488 | $this->_push_tag('elseif'); | |
489 | return $this->_compile_if_tag($tag_args, true); | |
490 | ||
491 | case '/if': | |
492 | $this->_pop_tag('if'); | |
493 | return '<?php endif; ?>'; | |
494 | ||
495 | case 'capture': | |
496 | return $this->_compile_capture_tag(true, $tag_args); | |
497 | ||
498 | case '/capture': | |
499 | return $this->_compile_capture_tag(false); | |
500 | ||
501 | case 'ldelim': | |
502 | return $this->left_delimiter; | |
503 | ||
504 | case 'rdelim': | |
505 | return $this->right_delimiter; | |
506 | ||
507 | case 'section': | |
508 | $this->_push_tag('section'); | |
509 | return $this->_compile_section_start($tag_args); | |
510 | ||
511 | case 'sectionelse': | |
512 | $this->_push_tag('sectionelse'); | |
513 | return "<?php endfor; else: ?>"; | |
514 | break; | |
515 | ||
516 | case '/section': | |
517 | $_open_tag = $this->_pop_tag('section'); | |
518 | if ($_open_tag == 'sectionelse') | |
519 | return "<?php endif; ?>"; | |
520 | else | |
521 | return "<?php endfor; endif; ?>"; | |
522 | ||
523 | case 'foreach': | |
524 | $this->_push_tag('foreach'); | |
525 | return $this->_compile_foreach_start($tag_args); | |
526 | break; | |
527 | ||
528 | case 'foreachelse': | |
529 | $this->_push_tag('foreachelse'); | |
530 | return "<?php endforeach; else: ?>"; | |
531 | ||
532 | case '/foreach': | |
533 | $_open_tag = $this->_pop_tag('foreach'); | |
534 | if ($_open_tag == 'foreachelse') | |
535 | return "<?php endif; unset(\$_from); ?>"; | |
536 | else | |
537 | return "<?php endforeach; endif; unset(\$_from); ?>"; | |
538 | break; | |
539 | ||
540 | case 'strip': | |
541 | case '/strip': | |
9b7c11be | 542 | if (substr($tag_command, 0, 1)=='/') { |
51ff3226 | 543 | $this->_pop_tag('strip'); |
544 | if (--$this->_strip_depth==0) { /* outermost closing {/strip} */ | |
545 | $this->_additional_newline = "\n"; | |
546 | return '{' . $tag_command . '}'; | |
547 | } | |
548 | } else { | |
549 | $this->_push_tag('strip'); | |
550 | if ($this->_strip_depth++==0) { /* outermost opening {strip} */ | |
551 | $this->_additional_newline = ""; | |
552 | return '{' . $tag_command . '}'; | |
553 | } | |
554 | } | |
555 | return ''; | |
556 | ||
557 | case 'php': | |
558 | /* handle folded tags replaced by {php} */ | |
559 | list(, $block) = each($this->_folded_blocks); | |
560 | $this->_current_line_no += substr_count($block[0], "\n"); | |
561 | /* the number of matched elements in the regexp in _compile_file() | |
562 | determins the type of folded tag that was found */ | |
563 | switch (count($block)) { | |
564 | case 2: /* comment */ | |
565 | return ''; | |
566 | ||
567 | case 3: /* literal */ | |
568 | return "<?php echo '" . strtr($block[2], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>" . $this->_additional_newline; | |
569 | ||
570 | case 4: /* php */ | |
571 | if ($this->security && !$this->security_settings['PHP_TAGS']) { | |
572 | $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__); | |
573 | return; | |
574 | } | |
575 | return '<?php ' . $block[3] .' ?>'; | |
576 | } | |
577 | break; | |
578 | ||
579 | case 'insert': | |
580 | return $this->_compile_insert_tag($tag_args); | |
581 | ||
582 | default: | |
583 | if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) { | |
584 | return $output; | |
585 | } else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) { | |
586 | return $output; | |
587 | } else if ($this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier, $output)) { | |
9b7c11be | 588 | return $output; |
51ff3226 | 589 | } else { |
590 | $this->_syntax_error("unrecognized tag '$tag_command'", E_USER_ERROR, __FILE__, __LINE__); | |
591 | } | |
592 | ||
593 | } | |
594 | } | |
595 | ||
596 | ||
597 | /** | |
598 | * compile the custom compiler tag | |
599 | * | |
600 | * sets $output to the compiled custom compiler tag | |
601 | * @param string $tag_command | |
602 | * @param string $tag_args | |
603 | * @param string $output | |
604 | * @return boolean | |
605 | */ | |
606 | function _compile_compiler_tag($tag_command, $tag_args, &$output) | |
607 | { | |
608 | $found = false; | |
609 | $have_function = true; | |
610 | ||
611 | /* | |
612 | * First we check if the compiler function has already been registered | |
613 | * or loaded from a plugin file. | |
614 | */ | |
615 | if (isset($this->_plugins['compiler'][$tag_command])) { | |
616 | $found = true; | |
617 | $plugin_func = $this->_plugins['compiler'][$tag_command][0]; | |
618 | if (!is_callable($plugin_func)) { | |
619 | $message = "compiler function '$tag_command' is not implemented"; | |
620 | $have_function = false; | |
621 | } | |
622 | } | |
623 | /* | |
624 | * Otherwise we need to load plugin file and look for the function | |
625 | * inside it. | |
626 | */ | |
627 | else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) { | |
628 | $found = true; | |
629 | ||
630 | include_once $plugin_file; | |
631 | ||
632 | $plugin_func = 'smarty_compiler_' . $tag_command; | |
633 | if (!is_callable($plugin_func)) { | |
634 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; | |
635 | $have_function = false; | |
636 | } else { | |
637 | $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true); | |
638 | } | |
639 | } | |
640 | ||
641 | /* | |
642 | * True return value means that we either found a plugin or a | |
643 | * dynamically registered function. False means that we didn't and the | |
644 | * compiler should now emit code to load custom function plugin for this | |
645 | * tag. | |
646 | */ | |
647 | if ($found) { | |
648 | if ($have_function) { | |
649 | $output = call_user_func_array($plugin_func, array($tag_args, &$this)); | |
650 | if($output != '') { | |
651 | $output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command) | |
652 | . $output | |
653 | . $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>'; | |
654 | } | |
655 | } else { | |
656 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); | |
657 | } | |
658 | return true; | |
659 | } else { | |
660 | return false; | |
661 | } | |
662 | } | |
663 | ||
664 | ||
665 | /** | |
666 | * compile block function tag | |
667 | * | |
668 | * sets $output to compiled block function tag | |
669 | * @param string $tag_command | |
670 | * @param string $tag_args | |
671 | * @param string $tag_modifier | |
672 | * @param string $output | |
673 | * @return boolean | |
674 | */ | |
675 | function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output) | |
676 | { | |
9b7c11be | 677 | if (substr($tag_command, 0, 1) == '/') { |
51ff3226 | 678 | $start_tag = false; |
679 | $tag_command = substr($tag_command, 1); | |
680 | } else | |
681 | $start_tag = true; | |
682 | ||
683 | $found = false; | |
684 | $have_function = true; | |
685 | ||
686 | /* | |
687 | * First we check if the block function has already been registered | |
688 | * or loaded from a plugin file. | |
689 | */ | |
690 | if (isset($this->_plugins['block'][$tag_command])) { | |
691 | $found = true; | |
692 | $plugin_func = $this->_plugins['block'][$tag_command][0]; | |
693 | if (!is_callable($plugin_func)) { | |
694 | $message = "block function '$tag_command' is not implemented"; | |
695 | $have_function = false; | |
696 | } | |
697 | } | |
698 | /* | |
699 | * Otherwise we need to load plugin file and look for the function | |
700 | * inside it. | |
701 | */ | |
702 | else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) { | |
703 | $found = true; | |
704 | ||
705 | include_once $plugin_file; | |
706 | ||
707 | $plugin_func = 'smarty_block_' . $tag_command; | |
708 | if (!function_exists($plugin_func)) { | |
709 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; | |
710 | $have_function = false; | |
711 | } else { | |
712 | $this->_plugins['block'][$tag_command] = array($plugin_func, null, null, null, true); | |
713 | ||
714 | } | |
715 | } | |
716 | ||
717 | if (!$found) { | |
718 | return false; | |
719 | } else if (!$have_function) { | |
720 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); | |
721 | return true; | |
722 | } | |
723 | ||
724 | /* | |
725 | * Even though we've located the plugin function, compilation | |
726 | * happens only once, so the plugin will still need to be loaded | |
727 | * at runtime for future requests. | |
728 | */ | |
729 | $this->_add_plugin('block', $tag_command); | |
730 | ||
731 | if ($start_tag) | |
732 | $this->_push_tag($tag_command); | |
733 | else | |
734 | $this->_pop_tag($tag_command); | |
735 | ||
736 | if ($start_tag) { | |
737 | $output = '<?php ' . $this->_push_cacheable_state('block', $tag_command); | |
738 | $attrs = $this->_parse_attrs($tag_args); | |
9b7c11be H |
739 | $_cache_attrs=''; |
740 | $arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs); | |
51ff3226 | 741 | $output .= "$_cache_attrs\$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); '; |
9b7c11be | 742 | $output .= '$_block_repeat=true;' . $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat);'; |
51ff3226 | 743 | $output .= 'while ($_block_repeat) { ob_start(); ?>'; |
744 | } else { | |
745 | $output = '<?php $_block_content = ob_get_contents(); ob_end_clean(); '; | |
9b7c11be | 746 | $_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $_block_content, $this, $_block_repeat)'; |
51ff3226 | 747 | if ($tag_modifier != '') { |
748 | $this->_parse_modifiers($_out_tag_text, $tag_modifier); | |
749 | } | |
9b7c11be | 750 | $output .= '$_block_repeat=false;echo ' . $_out_tag_text . '; } '; |
51ff3226 | 751 | $output .= " array_pop(\$this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>'; |
752 | } | |
753 | ||
754 | return true; | |
755 | } | |
756 | ||
757 | ||
758 | /** | |
759 | * compile custom function tag | |
760 | * | |
761 | * @param string $tag_command | |
762 | * @param string $tag_args | |
763 | * @param string $tag_modifier | |
764 | * @return string | |
765 | */ | |
766 | function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output) | |
767 | { | |
768 | $found = false; | |
769 | $have_function = true; | |
770 | ||
771 | /* | |
772 | * First we check if the custom function has already been registered | |
773 | * or loaded from a plugin file. | |
774 | */ | |
775 | if (isset($this->_plugins['function'][$tag_command])) { | |
776 | $found = true; | |
777 | $plugin_func = $this->_plugins['function'][$tag_command][0]; | |
778 | if (!is_callable($plugin_func)) { | |
779 | $message = "custom function '$tag_command' is not implemented"; | |
780 | $have_function = false; | |
781 | } | |
782 | } | |
783 | /* | |
784 | * Otherwise we need to load plugin file and look for the function | |
785 | * inside it. | |
786 | */ | |
787 | else if ($plugin_file = $this->_get_plugin_filepath('function', $tag_command)) { | |
788 | $found = true; | |
789 | ||
790 | include_once $plugin_file; | |
791 | ||
792 | $plugin_func = 'smarty_function_' . $tag_command; | |
793 | if (!function_exists($plugin_func)) { | |
794 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; | |
795 | $have_function = false; | |
796 | } else { | |
797 | $this->_plugins['function'][$tag_command] = array($plugin_func, null, null, null, true); | |
798 | ||
799 | } | |
800 | } | |
801 | ||
802 | if (!$found) { | |
803 | return false; | |
804 | } else if (!$have_function) { | |
805 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); | |
806 | return true; | |
807 | } | |
808 | ||
809 | /* declare plugin to be loaded on display of the template that | |
810 | we compile right now */ | |
811 | $this->_add_plugin('function', $tag_command); | |
812 | ||
813 | $_cacheable_state = $this->_push_cacheable_state('function', $tag_command); | |
814 | $attrs = $this->_parse_attrs($tag_args); | |
9b7c11be H |
815 | $_cache_attrs = ''; |
816 | $arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs); | |
51ff3226 | 817 | |
818 | $output = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), \$this)"; | |
819 | if($tag_modifier != '') { | |
820 | $this->_parse_modifiers($output, $tag_modifier); | |
821 | } | |
822 | ||
823 | if($output != '') { | |
824 | $output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';' | |
825 | . $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline; | |
826 | } | |
827 | ||
828 | return true; | |
829 | } | |
830 | ||
831 | /** | |
832 | * compile a registered object tag | |
833 | * | |
834 | * @param string $tag_command | |
835 | * @param array $attrs | |
836 | * @param string $tag_modifier | |
837 | * @return string | |
838 | */ | |
839 | function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier) | |
840 | { | |
9b7c11be | 841 | if (substr($tag_command, 0, 1) == '/') { |
51ff3226 | 842 | $start_tag = false; |
843 | $tag_command = substr($tag_command, 1); | |
844 | } else { | |
845 | $start_tag = true; | |
846 | } | |
847 | ||
848 | list($object, $obj_comp) = explode('->', $tag_command); | |
849 | ||
850 | $arg_list = array(); | |
851 | if(count($attrs)) { | |
852 | $_assign_var = false; | |
853 | foreach ($attrs as $arg_name => $arg_value) { | |
854 | if($arg_name == 'assign') { | |
855 | $_assign_var = $arg_value; | |
856 | unset($attrs['assign']); | |
857 | continue; | |
858 | } | |
859 | if (is_bool($arg_value)) | |
860 | $arg_value = $arg_value ? 'true' : 'false'; | |
861 | $arg_list[] = "'$arg_name' => $arg_value"; | |
862 | } | |
863 | } | |
864 | ||
865 | if($this->_reg_objects[$object][2]) { | |
866 | // smarty object argument format | |
867 | $args = "array(".implode(',', (array)$arg_list)."), \$this"; | |
868 | } else { | |
869 | // traditional argument format | |
870 | $args = implode(',', array_values($attrs)); | |
871 | if (empty($args)) { | |
9b7c11be | 872 | $args = ''; |
51ff3226 | 873 | } |
874 | } | |
875 | ||
876 | $prefix = ''; | |
877 | $postfix = ''; | |
878 | $newline = ''; | |
879 | if(!is_object($this->_reg_objects[$object][0])) { | |
880 | $this->_trigger_fatal_error("registered '$object' is not an object" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); | |
881 | } elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) { | |
882 | $this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'", $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); | |
883 | } elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) { | |
884 | // method | |
885 | if(in_array($obj_comp, $this->_reg_objects[$object][3])) { | |
886 | // block method | |
887 | if ($start_tag) { | |
888 | $prefix = "\$this->_tag_stack[] = array('$obj_comp', $args); "; | |
9b7c11be | 889 | $prefix .= "\$_block_repeat=true; \$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat); "; |
51ff3226 | 890 | $prefix .= "while (\$_block_repeat) { ob_start();"; |
891 | $return = null; | |
892 | $postfix = ''; | |
9b7c11be H |
893 | } else { |
894 | $prefix = "\$_obj_block_content = ob_get_contents(); ob_end_clean(); \$_block_repeat=false;"; | |
895 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$_obj_block_content, \$this, \$_block_repeat)"; | |
51ff3226 | 896 | $postfix = "} array_pop(\$this->_tag_stack);"; |
897 | } | |
898 | } else { | |
899 | // non-block method | |
900 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp($args)"; | |
901 | } | |
902 | } else { | |
903 | // property | |
904 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp"; | |
905 | } | |
906 | ||
907 | if($return != null) { | |
908 | if($tag_modifier != '') { | |
909 | $this->_parse_modifiers($return, $tag_modifier); | |
910 | } | |
911 | ||
912 | if(!empty($_assign_var)) { | |
913 | $output = "\$this->assign('" . $this->_dequote($_assign_var) ."', $return);"; | |
914 | } else { | |
915 | $output = 'echo ' . $return . ';'; | |
916 | $newline = $this->_additional_newline; | |
917 | } | |
918 | } else { | |
919 | $output = ''; | |
920 | } | |
921 | ||
922 | return '<?php ' . $prefix . $output . $postfix . "?>" . $newline; | |
923 | } | |
924 | ||
925 | /** | |
926 | * Compile {insert ...} tag | |
927 | * | |
928 | * @param string $tag_args | |
929 | * @return string | |
930 | */ | |
931 | function _compile_insert_tag($tag_args) | |
932 | { | |
933 | $attrs = $this->_parse_attrs($tag_args); | |
934 | $name = $this->_dequote($attrs['name']); | |
935 | ||
936 | if (empty($name)) { | |
9b7c11be H |
937 | return $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); |
938 | } | |
939 | ||
940 | if (!preg_match('~^\w+$~', $name)) { | |
941 | return $this->_syntax_error("'insert: 'name' must be an insert function name", E_USER_ERROR, __FILE__, __LINE__); | |
51ff3226 | 942 | } |
943 | ||
944 | if (!empty($attrs['script'])) { | |
945 | $delayed_loading = true; | |
946 | } else { | |
947 | $delayed_loading = false; | |
948 | } | |
949 | ||
950 | foreach ($attrs as $arg_name => $arg_value) { | |
951 | if (is_bool($arg_value)) | |
952 | $arg_value = $arg_value ? 'true' : 'false'; | |
953 | $arg_list[] = "'$arg_name' => $arg_value"; | |
954 | } | |
955 | ||
956 | $this->_add_plugin('insert', $name, $delayed_loading); | |
957 | ||
958 | $_params = "array('args' => array(".implode(', ', (array)$arg_list)."))"; | |
959 | ||
960 | return "<?php require_once(SMARTY_CORE_DIR . 'core.run_insert_handler.php');\necho smarty_core_run_insert_handler($_params, \$this); ?>" . $this->_additional_newline; | |
961 | } | |
962 | ||
963 | /** | |
964 | * Compile {include ...} tag | |
965 | * | |
966 | * @param string $tag_args | |
967 | * @return string | |
968 | */ | |
969 | function _compile_include_tag($tag_args) | |
970 | { | |
971 | $attrs = $this->_parse_attrs($tag_args); | |
972 | $arg_list = array(); | |
973 | ||
974 | if (empty($attrs['file'])) { | |
975 | $this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__); | |
976 | } | |
977 | ||
978 | foreach ($attrs as $arg_name => $arg_value) { | |
979 | if ($arg_name == 'file') { | |
980 | $include_file = $arg_value; | |
981 | continue; | |
982 | } else if ($arg_name == 'assign') { | |
983 | $assign_var = $arg_value; | |
984 | continue; | |
985 | } | |
986 | if (is_bool($arg_value)) | |
987 | $arg_value = $arg_value ? 'true' : 'false'; | |
988 | $arg_list[] = "'$arg_name' => $arg_value"; | |
989 | } | |
990 | ||
991 | $output = '<?php '; | |
992 | ||
993 | if (isset($assign_var)) { | |
994 | $output .= "ob_start();\n"; | |
995 | } | |
996 | ||
997 | $output .= | |
998 | "\$_smarty_tpl_vars = \$this->_tpl_vars;\n"; | |
999 | ||
1000 | ||
1001 | $_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; | |
1002 | $output .= "\$this->_smarty_include($_params);\n" . | |
1003 | "\$this->_tpl_vars = \$_smarty_tpl_vars;\n" . | |
1004 | "unset(\$_smarty_tpl_vars);\n"; | |
1005 | ||
1006 | if (isset($assign_var)) { | |
1007 | $output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n"; | |
1008 | } | |
1009 | ||
1010 | $output .= ' ?>'; | |
1011 | ||
1012 | return $output; | |
1013 | ||
1014 | } | |
1015 | ||
1016 | /** | |
1017 | * Compile {include ...} tag | |
1018 | * | |
1019 | * @param string $tag_args | |
1020 | * @return string | |
1021 | */ | |
1022 | function _compile_include_php_tag($tag_args) | |
1023 | { | |
1024 | $attrs = $this->_parse_attrs($tag_args); | |
1025 | ||
1026 | if (empty($attrs['file'])) { | |
1027 | $this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__); | |
1028 | } | |
1029 | ||
1030 | $assign_var = (empty($attrs['assign'])) ? '' : $this->_dequote($attrs['assign']); | |
1031 | $once_var = (empty($attrs['once']) || $attrs['once']=='false') ? 'false' : 'true'; | |
1032 | ||
1033 | $arg_list = array(); | |
1034 | foreach($attrs as $arg_name => $arg_value) { | |
1035 | if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') { | |
1036 | if(is_bool($arg_value)) | |
1037 | $arg_value = $arg_value ? 'true' : 'false'; | |
1038 | $arg_list[] = "'$arg_name' => $arg_value"; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | $_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', $arg_list)."))"; | |
1043 | ||
1044 | return "<?php require_once(SMARTY_CORE_DIR . 'core.smarty_include_php.php');\nsmarty_core_smarty_include_php($_params, \$this); ?>" . $this->_additional_newline; | |
1045 | } | |
1046 | ||
1047 | ||
1048 | /** | |
1049 | * Compile {section ...} tag | |
1050 | * | |
1051 | * @param string $tag_args | |
1052 | * @return string | |
1053 | */ | |
1054 | function _compile_section_start($tag_args) | |
1055 | { | |
1056 | $attrs = $this->_parse_attrs($tag_args); | |
1057 | $arg_list = array(); | |
1058 | ||
1059 | $output = '<?php '; | |
1060 | $section_name = $attrs['name']; | |
1061 | if (empty($section_name)) { | |
1062 | $this->_syntax_error("missing section name", E_USER_ERROR, __FILE__, __LINE__); | |
1063 | } | |
1064 | ||
1065 | $output .= "unset(\$this->_sections[$section_name]);\n"; | |
1066 | $section_props = "\$this->_sections[$section_name]"; | |
1067 | ||
1068 | foreach ($attrs as $attr_name => $attr_value) { | |
1069 | switch ($attr_name) { | |
1070 | case 'loop': | |
1071 | $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n"; | |
1072 | break; | |
1073 | ||
1074 | case 'show': | |
1075 | if (is_bool($attr_value)) | |
1076 | $show_attr_value = $attr_value ? 'true' : 'false'; | |
1077 | else | |
1078 | $show_attr_value = "(bool)$attr_value"; | |
1079 | $output .= "{$section_props}['show'] = $show_attr_value;\n"; | |
1080 | break; | |
1081 | ||
1082 | case 'name': | |
1083 | $output .= "{$section_props}['$attr_name'] = $attr_value;\n"; | |
1084 | break; | |
1085 | ||
1086 | case 'max': | |
1087 | case 'start': | |
1088 | $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n"; | |
1089 | break; | |
1090 | ||
1091 | case 'step': | |
1092 | $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n"; | |
1093 | break; | |
1094 | ||
1095 | default: | |
1096 | $this->_syntax_error("unknown section attribute - '$attr_name'", E_USER_ERROR, __FILE__, __LINE__); | |
1097 | break; | |
1098 | } | |
1099 | } | |
1100 | ||
1101 | if (!isset($attrs['show'])) | |
1102 | $output .= "{$section_props}['show'] = true;\n"; | |
1103 | ||
1104 | if (!isset($attrs['loop'])) | |
1105 | $output .= "{$section_props}['loop'] = 1;\n"; | |
1106 | ||
1107 | if (!isset($attrs['max'])) | |
1108 | $output .= "{$section_props}['max'] = {$section_props}['loop'];\n"; | |
1109 | else | |
1110 | $output .= "if ({$section_props}['max'] < 0)\n" . | |
1111 | " {$section_props}['max'] = {$section_props}['loop'];\n"; | |
1112 | ||
1113 | if (!isset($attrs['step'])) | |
1114 | $output .= "{$section_props}['step'] = 1;\n"; | |
1115 | ||
1116 | if (!isset($attrs['start'])) | |
1117 | $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n"; | |
1118 | else { | |
1119 | $output .= "if ({$section_props}['start'] < 0)\n" . | |
1120 | " {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . | |
1121 | "else\n" . | |
1122 | " {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n"; | |
1123 | } | |
1124 | ||
1125 | $output .= "if ({$section_props}['show']) {\n"; | |
1126 | if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) { | |
1127 | $output .= " {$section_props}['total'] = {$section_props}['loop'];\n"; | |
1128 | } else { | |
1129 | $output .= " {$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"; | |
1130 | } | |
1131 | $output .= " if ({$section_props}['total'] == 0)\n" . | |
1132 | " {$section_props}['show'] = false;\n" . | |
1133 | "} else\n" . | |
1134 | " {$section_props}['total'] = 0;\n"; | |
1135 | ||
1136 | $output .= "if ({$section_props}['show']):\n"; | |
1137 | $output .= " | |
1138 | for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1; | |
1139 | {$section_props}['iteration'] <= {$section_props}['total']; | |
1140 | {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n"; | |
1141 | $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n"; | |
1142 | $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n"; | |
1143 | $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n"; | |
1144 | $output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n"; | |
1145 | $output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n"; | |
1146 | ||
1147 | $output .= "?>"; | |
1148 | ||
1149 | return $output; | |
1150 | } | |
1151 | ||
1152 | ||
1153 | /** | |
1154 | * Compile {foreach ...} tag. | |
1155 | * | |
1156 | * @param string $tag_args | |
1157 | * @return string | |
1158 | */ | |
1159 | function _compile_foreach_start($tag_args) | |
1160 | { | |
1161 | $attrs = $this->_parse_attrs($tag_args); | |
1162 | $arg_list = array(); | |
1163 | ||
1164 | if (empty($attrs['from'])) { | |
1165 | return $this->_syntax_error("foreach: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__); | |
1166 | } | |
1167 | $from = $attrs['from']; | |
1168 | ||
1169 | if (empty($attrs['item'])) { | |
1170 | return $this->_syntax_error("foreach: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__); | |
1171 | } | |
1172 | $item = $this->_dequote($attrs['item']); | |
1173 | if (!preg_match('~^\w+$~', $item)) { | |
9b7c11be | 1174 | return $this->_syntax_error("foreach: 'item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
51ff3226 | 1175 | } |
1176 | ||
1177 | if (isset($attrs['key'])) { | |
1178 | $key = $this->_dequote($attrs['key']); | |
1179 | if (!preg_match('~^\w+$~', $key)) { | |
1180 | return $this->_syntax_error("foreach: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); | |
1181 | } | |
1182 | $key_part = "\$this->_tpl_vars['$key'] => "; | |
1183 | } else { | |
1184 | $key = null; | |
1185 | $key_part = ''; | |
1186 | } | |
1187 | ||
1188 | if (isset($attrs['name'])) { | |
1189 | $name = $attrs['name']; | |
1190 | } else { | |
1191 | $name = null; | |
1192 | } | |
1193 | ||
1194 | $output = '<?php '; | |
1195 | $output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }"; | |
1196 | if (isset($name)) { | |
1197 | $foreach_props = "\$this->_foreach[$name]"; | |
1198 | $output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n"; | |
1199 | $output .= "if ({$foreach_props}['total'] > 0):\n"; | |
1200 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; | |
1201 | $output .= " {$foreach_props}['iteration']++;\n"; | |
1202 | } else { | |
1203 | $output .= "if (count(\$_from)):\n"; | |
1204 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; | |
1205 | } | |
1206 | $output .= '?>'; | |
1207 | ||
1208 | return $output; | |
1209 | } | |
1210 | ||
1211 | ||
1212 | /** | |
1213 | * Compile {capture} .. {/capture} tags | |
1214 | * | |
1215 | * @param boolean $start true if this is the {capture} tag | |
1216 | * @param string $tag_args | |
1217 | * @return string | |
1218 | */ | |
1219 | ||
1220 | function _compile_capture_tag($start, $tag_args = '') | |
1221 | { | |
1222 | $attrs = $this->_parse_attrs($tag_args); | |
1223 | ||
1224 | if ($start) { | |
9b7c11be H |
1225 | $buffer = isset($attrs['name']) ? $attrs['name'] : "'default'"; |
1226 | $assign = isset($attrs['assign']) ? $attrs['assign'] : null; | |
1227 | $append = isset($attrs['append']) ? $attrs['append'] : null; | |
1228 | ||
51ff3226 | 1229 | $output = "<?php ob_start(); ?>"; |
9b7c11be | 1230 | $this->_capture_stack[] = array($buffer, $assign, $append); |
51ff3226 | 1231 | } else { |
9b7c11be | 1232 | list($buffer, $assign, $append) = array_pop($this->_capture_stack); |
51ff3226 | 1233 | $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; |
1234 | if (isset($assign)) { | |
1235 | $output .= " \$this->assign($assign, ob_get_contents());"; | |
1236 | } | |
9b7c11be H |
1237 | if (isset($append)) { |
1238 | $output .= " \$this->append($append, ob_get_contents());"; | |
1239 | } | |
51ff3226 | 1240 | $output .= "ob_end_clean(); ?>"; |
1241 | } | |
1242 | ||
1243 | return $output; | |
1244 | } | |
1245 | ||
1246 | /** | |
1247 | * Compile {if ...} tag | |
1248 | * | |
1249 | * @param string $tag_args | |
1250 | * @param boolean $elseif if true, uses elseif instead of if | |
1251 | * @return string | |
1252 | */ | |
1253 | function _compile_if_tag($tag_args, $elseif = false) | |
1254 | { | |
1255 | ||
1256 | /* Tokenize args for 'if' tag. */ | |
1257 | preg_match_all('~(?> | |
1258 | ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call | |
1259 | ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)? | # var or quoted string | |
1260 | \-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@ | # valid non-word token | |
1261 | \b\w+\b | # valid word token | |
1262 | \S+ # anything else | |
1263 | )~x', $tag_args, $match); | |
1264 | ||
1265 | $tokens = $match[0]; | |
1266 | ||
1267 | if(empty($tokens)) { | |
9b7c11be H |
1268 | $_error_msg = $elseif ? "'elseif'" : "'if'"; |
1269 | $_error_msg .= ' statement requires arguments'; | |
51ff3226 | 1270 | $this->_syntax_error($_error_msg, E_USER_ERROR, __FILE__, __LINE__); |
1271 | } | |
9b7c11be H |
1272 | |
1273 | ||
51ff3226 | 1274 | // make sure we have balanced parenthesis |
1275 | $token_count = array_count_values($tokens); | |
1276 | if(isset($token_count['(']) && $token_count['('] != $token_count[')']) { | |
1277 | $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__); | |
1278 | } | |
1279 | ||
1280 | $is_arg_stack = array(); | |
1281 | ||
1282 | for ($i = 0; $i < count($tokens); $i++) { | |
1283 | ||
1284 | $token = &$tokens[$i]; | |
1285 | ||
1286 | switch (strtolower($token)) { | |
1287 | case '!': | |
1288 | case '%': | |
1289 | case '!==': | |
1290 | case '==': | |
1291 | case '===': | |
1292 | case '>': | |
1293 | case '<': | |
1294 | case '!=': | |
1295 | case '<>': | |
1296 | case '<<': | |
1297 | case '>>': | |
1298 | case '<=': | |
1299 | case '>=': | |
1300 | case '&&': | |
1301 | case '||': | |
1302 | case '|': | |
1303 | case '^': | |
1304 | case '&': | |
1305 | case '~': | |
1306 | case ')': | |
1307 | case ',': | |
1308 | case '+': | |
1309 | case '-': | |
1310 | case '*': | |
1311 | case '/': | |
1312 | case '@': | |
1313 | break; | |
1314 | ||
1315 | case 'eq': | |
1316 | $token = '=='; | |
1317 | break; | |
1318 | ||
1319 | case 'ne': | |
1320 | case 'neq': | |
1321 | $token = '!='; | |
1322 | break; | |
1323 | ||
1324 | case 'lt': | |
1325 | $token = '<'; | |
1326 | break; | |
1327 | ||
1328 | case 'le': | |
1329 | case 'lte': | |
1330 | $token = '<='; | |
1331 | break; | |
1332 | ||
1333 | case 'gt': | |
1334 | $token = '>'; | |
1335 | break; | |
1336 | ||
1337 | case 'ge': | |
1338 | case 'gte': | |
1339 | $token = '>='; | |
1340 | break; | |
1341 | ||
1342 | case 'and': | |
1343 | $token = '&&'; | |
1344 | break; | |
1345 | ||
1346 | case 'or': | |
1347 | $token = '||'; | |
1348 | break; | |
1349 | ||
1350 | case 'not': | |
1351 | $token = '!'; | |
1352 | break; | |
1353 | ||
1354 | case 'mod': | |
1355 | $token = '%'; | |
1356 | break; | |
1357 | ||
1358 | case '(': | |
1359 | array_push($is_arg_stack, $i); | |
1360 | break; | |
1361 | ||
1362 | case 'is': | |
1363 | /* If last token was a ')', we operate on the parenthesized | |
1364 | expression. The start of the expression is on the stack. | |
1365 | Otherwise, we operate on the last encountered token. */ | |
9b7c11be | 1366 | if ($tokens[$i-1] == ')') { |
51ff3226 | 1367 | $is_arg_start = array_pop($is_arg_stack); |
9b7c11be H |
1368 | if ($is_arg_start != 0) { |
1369 | if (preg_match('~^' . $this->_func_regexp . '$~', $tokens[$is_arg_start-1])) { | |
1370 | $is_arg_start--; | |
1371 | } | |
1372 | } | |
1373 | } else | |
51ff3226 | 1374 | $is_arg_start = $i-1; |
1375 | /* Construct the argument for 'is' expression, so it knows | |
1376 | what to operate on. */ | |
1377 | $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); | |
1378 | ||
1379 | /* Pass all tokens from next one until the end to the | |
1380 | 'is' expression parsing function. The function will | |
1381 | return modified tokens, where the first one is the result | |
1382 | of the 'is' expression and the rest are the tokens it | |
1383 | didn't touch. */ | |
1384 | $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); | |
1385 | ||
1386 | /* Replace the old tokens with the new ones. */ | |
1387 | array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); | |
1388 | ||
1389 | /* Adjust argument start so that it won't change from the | |
1390 | current position for the next iteration. */ | |
1391 | $i = $is_arg_start; | |
1392 | break; | |
1393 | ||
1394 | default: | |
1395 | if(preg_match('~^' . $this->_func_regexp . '$~', $token) ) { | |
1396 | // function call | |
1397 | if($this->security && | |
1398 | !in_array($token, $this->security_settings['IF_FUNCS'])) { | |
1399 | $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); | |
1400 | } | |
9b7c11be | 1401 | } elseif(preg_match('~^' . $this->_var_regexp . '$~', $token) && (strpos('+-*/^%&|', substr($token, -1)) === false) && isset($tokens[$i+1]) && $tokens[$i+1] == '(') { |
51ff3226 | 1402 | // variable function call |
9b7c11be | 1403 | $this->_syntax_error("variable function call '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
51ff3226 | 1404 | } elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) { |
1405 | // object or variable | |
1406 | $token = $this->_parse_var_props($token); | |
1407 | } elseif(is_numeric($token)) { | |
1408 | // number, skip it | |
1409 | } else { | |
1410 | $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__); | |
1411 | } | |
1412 | break; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | if ($elseif) | |
1417 | return '<?php elseif ('.implode(' ', $tokens).'): ?>'; | |
1418 | else | |
1419 | return '<?php if ('.implode(' ', $tokens).'): ?>'; | |
1420 | } | |
1421 | ||
1422 | ||
1423 | function _compile_arg_list($type, $name, $attrs, &$cache_code) { | |
1424 | $arg_list = array(); | |
1425 | ||
1426 | if (isset($type) && isset($name) | |
1427 | && isset($this->_plugins[$type]) | |
1428 | && isset($this->_plugins[$type][$name]) | |
1429 | && empty($this->_plugins[$type][$name][4]) | |
1430 | && is_array($this->_plugins[$type][$name][5]) | |
1431 | ) { | |
1432 | /* we have a list of parameters that should be cached */ | |
1433 | $_cache_attrs = $this->_plugins[$type][$name][5]; | |
1434 | $_count = $this->_cache_attrs_count++; | |
1435 | $cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');"; | |
1436 | ||
1437 | } else { | |
1438 | /* no parameters are cached */ | |
1439 | $_cache_attrs = null; | |
1440 | } | |
1441 | ||
1442 | foreach ($attrs as $arg_name => $arg_value) { | |
1443 | if (is_bool($arg_value)) | |
1444 | $arg_value = $arg_value ? 'true' : 'false'; | |
1445 | if (is_null($arg_value)) | |
1446 | $arg_value = 'null'; | |
1447 | if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) { | |
1448 | $arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)"; | |
1449 | } else { | |
1450 | $arg_list[] = "'$arg_name' => $arg_value"; | |
1451 | } | |
1452 | } | |
1453 | return $arg_list; | |
1454 | } | |
1455 | ||
1456 | /** | |
1457 | * Parse is expression | |
1458 | * | |
1459 | * @param string $is_arg | |
1460 | * @param array $tokens | |
1461 | * @return array | |
1462 | */ | |
1463 | function _parse_is_expr($is_arg, $tokens) | |
1464 | { | |
1465 | $expr_end = 0; | |
1466 | $negate_expr = false; | |
1467 | ||
1468 | if (($first_token = array_shift($tokens)) == 'not') { | |
1469 | $negate_expr = true; | |
1470 | $expr_type = array_shift($tokens); | |
1471 | } else | |
1472 | $expr_type = $first_token; | |
1473 | ||
1474 | switch ($expr_type) { | |
1475 | case 'even': | |
1476 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { | |
1477 | $expr_end++; | |
1478 | $expr_arg = $tokens[$expr_end++]; | |
1479 | $expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; | |
1480 | } else | |
1481 | $expr = "!(1 & $is_arg)"; | |
1482 | break; | |
1483 | ||
1484 | case 'odd': | |
1485 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { | |
1486 | $expr_end++; | |
1487 | $expr_arg = $tokens[$expr_end++]; | |
1488 | $expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; | |
1489 | } else | |
1490 | $expr = "(1 & $is_arg)"; | |
1491 | break; | |
1492 | ||
1493 | case 'div': | |
1494 | if (@$tokens[$expr_end] == 'by') { | |
1495 | $expr_end++; | |
1496 | $expr_arg = $tokens[$expr_end++]; | |
1497 | $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")"; | |
1498 | } else { | |
1499 | $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__); | |
1500 | } | |
1501 | break; | |
1502 | ||
1503 | default: | |
1504 | $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__); | |
1505 | break; | |
1506 | } | |
1507 | ||
1508 | if ($negate_expr) { | |
1509 | $expr = "!($expr)"; | |
1510 | } | |
1511 | ||
1512 | array_splice($tokens, 0, $expr_end, $expr); | |
1513 | ||
1514 | return $tokens; | |
1515 | } | |
1516 | ||
1517 | ||
1518 | /** | |
1519 | * Parse attribute string | |
1520 | * | |
1521 | * @param string $tag_args | |
1522 | * @return array | |
1523 | */ | |
1524 | function _parse_attrs($tag_args) | |
1525 | { | |
1526 | ||
1527 | /* Tokenize tag attributes. */ | |
1528 | preg_match_all('~(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+) | |
1529 | )+ | | |
1530 | [=] | |
1531 | ~x', $tag_args, $match); | |
1532 | $tokens = $match[0]; | |
1533 | ||
1534 | $attrs = array(); | |
1535 | /* Parse state: | |
1536 | 0 - expecting attribute name | |
1537 | 1 - expecting '=' | |
1538 | 2 - expecting attribute value (not '=') */ | |
1539 | $state = 0; | |
1540 | ||
1541 | foreach ($tokens as $token) { | |
1542 | switch ($state) { | |
1543 | case 0: | |
1544 | /* If the token is a valid identifier, we set attribute name | |
1545 | and go to state 1. */ | |
1546 | if (preg_match('~^\w+$~', $token)) { | |
1547 | $attr_name = $token; | |
1548 | $state = 1; | |
1549 | } else | |
1550 | $this->_syntax_error("invalid attribute name: '$token'", E_USER_ERROR, __FILE__, __LINE__); | |
1551 | break; | |
1552 | ||
1553 | case 1: | |
1554 | /* If the token is '=', then we go to state 2. */ | |
1555 | if ($token == '=') { | |
1556 | $state = 2; | |
1557 | } else | |
1558 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); | |
1559 | break; | |
1560 | ||
1561 | case 2: | |
1562 | /* If token is not '=', we set the attribute value and go to | |
1563 | state 0. */ | |
1564 | if ($token != '=') { | |
1565 | /* We booleanize the token if it's a non-quoted possible | |
1566 | boolean value. */ | |
1567 | if (preg_match('~^(on|yes|true)$~', $token)) { | |
1568 | $token = 'true'; | |
1569 | } else if (preg_match('~^(off|no|false)$~', $token)) { | |
1570 | $token = 'false'; | |
1571 | } else if ($token == 'null') { | |
1572 | $token = 'null'; | |
1573 | } else if (preg_match('~^' . $this->_num_const_regexp . '|0[xX][0-9a-fA-F]+$~', $token)) { | |
1574 | /* treat integer literally */ | |
1575 | } else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) { | |
1576 | /* treat as a string, double-quote it escaping quotes */ | |
1577 | $token = '"'.addslashes($token).'"'; | |
1578 | } | |
1579 | ||
1580 | $attrs[$attr_name] = $token; | |
1581 | $state = 0; | |
1582 | } else | |
1583 | $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__); | |
1584 | break; | |
1585 | } | |
1586 | $last_token = $token; | |
1587 | } | |
1588 | ||
1589 | if($state != 0) { | |
1590 | if($state == 1) { | |
1591 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); | |
1592 | } else { | |
1593 | $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__); | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | $this->_parse_vars_props($attrs); | |
1598 | ||
1599 | return $attrs; | |
1600 | } | |
1601 | ||
1602 | /** | |
1603 | * compile multiple variables and section properties tokens into | |
1604 | * PHP code | |
1605 | * | |
1606 | * @param array $tokens | |
1607 | */ | |
1608 | function _parse_vars_props(&$tokens) | |
1609 | { | |
1610 | foreach($tokens as $key => $val) { | |
1611 | $tokens[$key] = $this->_parse_var_props($val); | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | /** | |
1616 | * compile single variable and section properties token into | |
1617 | * PHP code | |
1618 | * | |
1619 | * @param string $val | |
1620 | * @param string $tag_attrs | |
1621 | * @return string | |
1622 | */ | |
1623 | function _parse_var_props($val) | |
1624 | { | |
1625 | $val = trim($val); | |
1626 | ||
1627 | if(preg_match('~^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(' . $this->_mod_regexp . '*)$~', $val, $match)) { | |
1628 | // $ variable or object | |
1629 | $return = $this->_parse_var($match[1]); | |
1630 | $modifiers = $match[2]; | |
1631 | if (!empty($this->default_modifiers) && !preg_match('~(^|\|)smarty:nodefaults($|\|)~',$modifiers)) { | |
1632 | $_default_mod_string = implode('|',(array)$this->default_modifiers); | |
1633 | $modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers; | |
1634 | } | |
1635 | $this->_parse_modifiers($return, $modifiers); | |
1636 | return $return; | |
1637 | } elseif (preg_match('~^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { | |
1638 | // double quoted text | |
1639 | preg_match('~^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); | |
1640 | $return = $this->_expand_quoted_text($match[1]); | |
1641 | if($match[2] != '') { | |
1642 | $this->_parse_modifiers($return, $match[2]); | |
1643 | } | |
1644 | return $return; | |
1645 | } | |
1646 | elseif(preg_match('~^' . $this->_num_const_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { | |
1647 | // numerical constant | |
1648 | preg_match('~^(' . $this->_num_const_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); | |
1649 | if($match[2] != '') { | |
1650 | $this->_parse_modifiers($match[1], $match[2]); | |
1651 | return $match[1]; | |
1652 | } | |
1653 | } | |
1654 | elseif(preg_match('~^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { | |
1655 | // single quoted text | |
1656 | preg_match('~^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); | |
1657 | if($match[2] != '') { | |
1658 | $this->_parse_modifiers($match[1], $match[2]); | |
1659 | return $match[1]; | |
1660 | } | |
1661 | } | |
1662 | elseif(preg_match('~^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { | |
1663 | // config var | |
1664 | return $this->_parse_conf_var($val); | |
1665 | } | |
1666 | elseif(preg_match('~^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { | |
1667 | // section var | |
1668 | return $this->_parse_section_prop($val); | |
1669 | } | |
1670 | elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) { | |
1671 | // literal string | |
1672 | return $this->_expand_quoted_text('"' . strtr($val, array('\\' => '\\\\', '"' => '\\"')) .'"'); | |
1673 | } | |
1674 | return $val; | |
1675 | } | |
1676 | ||
1677 | /** | |
1678 | * expand quoted text with embedded variables | |
1679 | * | |
1680 | * @param string $var_expr | |
1681 | * @return string | |
1682 | */ | |
1683 | function _expand_quoted_text($var_expr) | |
1684 | { | |
1685 | // if contains unescaped $, expand it | |
1686 | if(preg_match_all('~(?:\`(?<!\\\\)\$' . $this->_dvar_guts_regexp . '(?:' . $this->_obj_ext_regexp . ')*\`)|(?:(?<!\\\\)\$\w+(\[[a-zA-Z0-9]+\])*)~', $var_expr, $_match)) { | |
1687 | $_match = $_match[0]; | |
9b7c11be | 1688 | $_replace = array(); |
51ff3226 | 1689 | foreach($_match as $_var) { |
9b7c11be | 1690 | $_replace[$_var] = '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."'; |
51ff3226 | 1691 | } |
9b7c11be | 1692 | $var_expr = strtr($var_expr, $_replace); |
51ff3226 | 1693 | $_return = preg_replace('~\.""|(?<!\\\\)""\.~', '', $var_expr); |
1694 | } else { | |
1695 | $_return = $var_expr; | |
1696 | } | |
1697 | // replace double quoted literal string with single quotes | |
1698 | $_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return); | |
1699 | return $_return; | |
1700 | } | |
1701 | ||
1702 | /** | |
1703 | * parse variable expression into PHP code | |
1704 | * | |
1705 | * @param string $var_expr | |
1706 | * @param string $output | |
1707 | * @return string | |
1708 | */ | |
1709 | function _parse_var($var_expr) | |
1710 | { | |
1711 | $_has_math = false; | |
1712 | $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE); | |
1713 | ||
1714 | if(count($_math_vars) > 1) { | |
1715 | $_first_var = ""; | |
1716 | $_complete_var = ""; | |
1717 | $_output = ""; | |
1718 | // simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter) | |
1719 | foreach($_math_vars as $_k => $_math_var) { | |
1720 | $_math_var = $_math_vars[$_k]; | |
1721 | ||
1722 | if(!empty($_math_var) || is_numeric($_math_var)) { | |
1723 | // hit a math operator, so process the stuff which came before it | |
1724 | if(preg_match('~^' . $this->_dvar_math_regexp . '$~', $_math_var)) { | |
1725 | $_has_math = true; | |
1726 | if(!empty($_complete_var) || is_numeric($_complete_var)) { | |
1727 | $_output .= $this->_parse_var($_complete_var); | |
1728 | } | |
1729 | ||
1730 | // just output the math operator to php | |
1731 | $_output .= $_math_var; | |
1732 | ||
1733 | if(empty($_first_var)) | |
1734 | $_first_var = $_complete_var; | |
1735 | ||
1736 | $_complete_var = ""; | |
1737 | } else { | |
1738 | $_complete_var .= $_math_var; | |
1739 | } | |
1740 | } | |
1741 | } | |
1742 | if($_has_math) { | |
1743 | if(!empty($_complete_var) || is_numeric($_complete_var)) | |
1744 | $_output .= $this->_parse_var($_complete_var); | |
1745 | ||
1746 | // get the modifiers working (only the last var from math + modifier is left) | |
1747 | $var_expr = $_complete_var; | |
1748 | } | |
1749 | } | |
1750 | ||
1751 | // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) | |
9b7c11be | 1752 | if(is_numeric(substr($var_expr, 0, 1))) |
51ff3226 | 1753 | $_var_ref = $var_expr; |
1754 | else | |
1755 | $_var_ref = substr($var_expr, 1); | |
9b7c11be | 1756 | |
51ff3226 | 1757 | if(!$_has_math) { |
9b7c11be | 1758 | |
51ff3226 | 1759 | // get [foo] and .foo and ->foo and (...) pieces |
1760 | preg_match_all('~(?:^\w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->\$?\w+|\.\$?\w+|\S+~', $_var_ref, $match); | |
9b7c11be | 1761 | |
51ff3226 | 1762 | $_indexes = $match[0]; |
1763 | $_var_name = array_shift($_indexes); | |
1764 | ||
1765 | /* Handle $smarty.* variable references as a special case. */ | |
1766 | if ($_var_name == 'smarty') { | |
1767 | /* | |
1768 | * If the reference could be compiled, use the compiled output; | |
1769 | * otherwise, fall back on the $smarty variable generated at | |
1770 | * run-time. | |
1771 | */ | |
1772 | if (($smarty_ref = $this->_compile_smarty_ref($_indexes)) !== null) { | |
1773 | $_output = $smarty_ref; | |
1774 | } else { | |
1775 | $_var_name = substr(array_shift($_indexes), 1); | |
1776 | $_output = "\$this->_smarty_vars['$_var_name']"; | |
1777 | } | |
9b7c11be | 1778 | } elseif(is_numeric($_var_name) && is_numeric(substr($var_expr, 0, 1))) { |
51ff3226 | 1779 | // because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers |
1780 | if(count($_indexes) > 0) | |
1781 | { | |
1782 | $_var_name .= implode("", $_indexes); | |
1783 | $_indexes = array(); | |
1784 | } | |
1785 | $_output = $_var_name; | |
1786 | } else { | |
1787 | $_output = "\$this->_tpl_vars['$_var_name']"; | |
1788 | } | |
1789 | ||
1790 | foreach ($_indexes as $_index) { | |
9b7c11be | 1791 | if (substr($_index, 0, 1) == '[') { |
51ff3226 | 1792 | $_index = substr($_index, 1, -1); |
1793 | if (is_numeric($_index)) { | |
1794 | $_output .= "[$_index]"; | |
9b7c11be | 1795 | } elseif (substr($_index, 0, 1) == '$') { |
51ff3226 | 1796 | if (strpos($_index, '.') !== false) { |
1797 | $_output .= '[' . $this->_parse_var($_index) . ']'; | |
1798 | } else { | |
1799 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 1) . "']]"; | |
1800 | } | |
1801 | } else { | |
1802 | $_var_parts = explode('.', $_index); | |
1803 | $_var_section = $_var_parts[0]; | |
1804 | $_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index'; | |
1805 | $_output .= "[\$this->_sections['$_var_section']['$_var_section_prop']]"; | |
1806 | } | |
9b7c11be H |
1807 | } else if (substr($_index, 0, 1) == '.') { |
1808 | if (substr($_index, 1, 1) == '$') | |
51ff3226 | 1809 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 2) . "']]"; |
1810 | else | |
1811 | $_output .= "['" . substr($_index, 1) . "']"; | |
1812 | } else if (substr($_index,0,2) == '->') { | |
1813 | if(substr($_index,2,2) == '__') { | |
1814 | $this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
1815 | } elseif($this->security && substr($_index, 2, 1) == '_') { | |
1816 | $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
9b7c11be | 1817 | } elseif (substr($_index, 2, 1) == '$') { |
51ff3226 | 1818 | if ($this->security) { |
1819 | $this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); | |
1820 | } else { | |
1821 | $_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}'; | |
1822 | } | |
1823 | } else { | |
1824 | $_output .= $_index; | |
1825 | } | |
9b7c11be | 1826 | } elseif (substr($_index, 0, 1) == '(') { |
51ff3226 | 1827 | $_index = $this->_parse_parenth_args($_index); |
1828 | $_output .= $_index; | |
1829 | } else { | |
1830 | $_output .= $_index; | |
1831 | } | |
1832 | } | |
1833 | } | |
1834 | ||
1835 | return $_output; | |
1836 | } | |
1837 | ||
1838 | /** | |
1839 | * parse arguments in function call parenthesis | |
1840 | * | |
1841 | * @param string $parenth_args | |
1842 | * @return string | |
1843 | */ | |
1844 | function _parse_parenth_args($parenth_args) | |
1845 | { | |
1846 | preg_match_all('~' . $this->_param_regexp . '~',$parenth_args, $match); | |
1847 | $orig_vals = $match = $match[0]; | |
1848 | $this->_parse_vars_props($match); | |
1849 | $replace = array(); | |
1850 | for ($i = 0, $count = count($match); $i < $count; $i++) { | |
1851 | $replace[$orig_vals[$i]] = $match[$i]; | |
1852 | } | |
1853 | return strtr($parenth_args, $replace); | |
1854 | } | |
1855 | ||
1856 | /** | |
1857 | * parse configuration variable expression into PHP code | |
1858 | * | |
1859 | * @param string $conf_var_expr | |
1860 | */ | |
1861 | function _parse_conf_var($conf_var_expr) | |
1862 | { | |
1863 | $parts = explode('|', $conf_var_expr, 2); | |
1864 | $var_ref = $parts[0]; | |
1865 | $modifiers = isset($parts[1]) ? $parts[1] : ''; | |
1866 | ||
1867 | $var_name = substr($var_ref, 1, -1); | |
1868 | ||
1869 | $output = "\$this->_config[0]['vars']['$var_name']"; | |
1870 | ||
1871 | $this->_parse_modifiers($output, $modifiers); | |
1872 | ||
1873 | return $output; | |
1874 | } | |
1875 | ||
1876 | /** | |
1877 | * parse section property expression into PHP code | |
1878 | * | |
1879 | * @param string $section_prop_expr | |
1880 | * @return string | |
1881 | */ | |
1882 | function _parse_section_prop($section_prop_expr) | |
1883 | { | |
1884 | $parts = explode('|', $section_prop_expr, 2); | |
1885 | $var_ref = $parts[0]; | |
1886 | $modifiers = isset($parts[1]) ? $parts[1] : ''; | |
1887 | ||
1888 | preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); | |
1889 | $section_name = $match[1]; | |
1890 | $prop_name = $match[2]; | |
1891 | ||
1892 | $output = "\$this->_sections['$section_name']['$prop_name']"; | |
1893 | ||
1894 | $this->_parse_modifiers($output, $modifiers); | |
1895 | ||
1896 | return $output; | |
1897 | } | |
1898 | ||
1899 | ||
1900 | /** | |
1901 | * parse modifier chain into PHP code | |
1902 | * | |
1903 | * sets $output to parsed modified chain | |
1904 | * @param string $output | |
1905 | * @param string $modifier_string | |
1906 | */ | |
1907 | function _parse_modifiers(&$output, $modifier_string) | |
1908 | { | |
1909 | preg_match_all('~\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)~', '|' . $modifier_string, $_match); | |
1910 | list(, $_modifiers, $modifier_arg_strings) = $_match; | |
1911 | ||
1912 | for ($_i = 0, $_for_max = count($_modifiers); $_i < $_for_max; $_i++) { | |
1913 | $_modifier_name = $_modifiers[$_i]; | |
1914 | ||
1915 | if($_modifier_name == 'smarty') { | |
1916 | // skip smarty modifier | |
1917 | continue; | |
1918 | } | |
1919 | ||
1920 | preg_match_all('~:(' . $this->_qstr_regexp . '|[^:]+)~', $modifier_arg_strings[$_i], $_match); | |
1921 | $_modifier_args = $_match[1]; | |
1922 | ||
9b7c11be | 1923 | if (substr($_modifier_name, 0, 1) == '@') { |
51ff3226 | 1924 | $_map_array = false; |
1925 | $_modifier_name = substr($_modifier_name, 1); | |
1926 | } else { | |
1927 | $_map_array = true; | |
1928 | } | |
1929 | ||
1930 | if (empty($this->_plugins['modifier'][$_modifier_name]) | |
1931 | && !$this->_get_plugin_filepath('modifier', $_modifier_name) | |
1932 | && function_exists($_modifier_name)) { | |
1933 | if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) { | |
1934 | $this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); | |
1935 | } else { | |
1936 | $this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false); | |
1937 | } | |
1938 | } | |
1939 | $this->_add_plugin('modifier', $_modifier_name); | |
1940 | ||
1941 | $this->_parse_vars_props($_modifier_args); | |
1942 | ||
1943 | if($_modifier_name == 'default') { | |
1944 | // supress notifications of default modifier vars and args | |
9b7c11be | 1945 | if(substr($output, 0, 1) == '$') { |
51ff3226 | 1946 | $output = '@' . $output; |
1947 | } | |
9b7c11be | 1948 | if(isset($_modifier_args[0]) && substr($_modifier_args[0], 0, 1) == '$') { |
51ff3226 | 1949 | $_modifier_args[0] = '@' . $_modifier_args[0]; |
1950 | } | |
1951 | } | |
1952 | if (count($_modifier_args) > 0) | |
1953 | $_modifier_args = ', '.implode(', ', $_modifier_args); | |
1954 | else | |
1955 | $_modifier_args = ''; | |
1956 | ||
1957 | if ($_map_array) { | |
1958 | $output = "((is_array(\$_tmp=$output)) ? \$this->_run_mod_handler('$_modifier_name', true, \$_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "(\$_tmp$_modifier_args))"; | |
1959 | ||
1960 | } else { | |
1961 | ||
1962 | $output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)"; | |
1963 | ||
1964 | } | |
1965 | } | |
1966 | } | |
1967 | ||
1968 | ||
1969 | /** | |
1970 | * add plugin | |
1971 | * | |
1972 | * @param string $type | |
1973 | * @param string $name | |
1974 | * @param boolean? $delayed_loading | |
1975 | */ | |
1976 | function _add_plugin($type, $name, $delayed_loading = null) | |
1977 | { | |
1978 | if (!isset($this->_plugin_info[$type])) { | |
1979 | $this->_plugin_info[$type] = array(); | |
1980 | } | |
1981 | if (!isset($this->_plugin_info[$type][$name])) { | |
1982 | $this->_plugin_info[$type][$name] = array($this->_current_file, | |
1983 | $this->_current_line_no, | |
1984 | $delayed_loading); | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | ||
1989 | /** | |
1990 | * Compiles references of type $smarty.foo | |
1991 | * | |
1992 | * @param string $indexes | |
1993 | * @return string | |
1994 | */ | |
1995 | function _compile_smarty_ref(&$indexes) | |
1996 | { | |
1997 | /* Extract the reference name. */ | |
1998 | $_ref = substr($indexes[0], 1); | |
1999 | foreach($indexes as $_index_no=>$_index) { | |
9b7c11be | 2000 | if (substr($_index, 0, 1) != '.' && $_index_no<2 || !preg_match('~^(\.|\[|->)~', $_index)) { |
51ff3226 | 2001 | $this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
2002 | } | |
2003 | } | |
2004 | ||
2005 | switch ($_ref) { | |
2006 | case 'now': | |
2007 | $compiled_ref = 'time()'; | |
2008 | $_max_index = 1; | |
2009 | break; | |
2010 | ||
2011 | case 'foreach': | |
2012 | array_shift($indexes); | |
2013 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); | |
2014 | $_propname = substr($indexes[1], 1); | |
2015 | $_max_index = 1; | |
2016 | switch ($_propname) { | |
2017 | case 'index': | |
2018 | array_shift($indexes); | |
2019 | $compiled_ref = "(\$this->_foreach[$_var]['iteration']-1)"; | |
2020 | break; | |
9b7c11be | 2021 | |
51ff3226 | 2022 | case 'first': |
2023 | array_shift($indexes); | |
2024 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] <= 1)"; | |
2025 | break; | |
2026 | ||
2027 | case 'last': | |
2028 | array_shift($indexes); | |
2029 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] == \$this->_foreach[$_var]['total'])"; | |
2030 | break; | |
9b7c11be | 2031 | |
51ff3226 | 2032 | case 'show': |
2033 | array_shift($indexes); | |
2034 | $compiled_ref = "(\$this->_foreach[$_var]['total'] > 0)"; | |
2035 | break; | |
9b7c11be | 2036 | |
51ff3226 | 2037 | default: |
2038 | unset($_max_index); | |
2039 | $compiled_ref = "\$this->_foreach[$_var]"; | |
2040 | } | |
2041 | break; | |
2042 | ||
2043 | case 'section': | |
2044 | array_shift($indexes); | |
2045 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); | |
2046 | $compiled_ref = "\$this->_sections[$_var]"; | |
2047 | break; | |
2048 | ||
2049 | case 'get': | |
9b7c11be H |
2050 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2051 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2052 | E_USER_WARNING, __FILE__, __LINE__); | |
2053 | return; | |
2054 | } | |
2055 | $compiled_ref = "\$_GET"; | |
51ff3226 | 2056 | break; |
2057 | ||
2058 | case 'post': | |
9b7c11be H |
2059 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2060 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2061 | E_USER_WARNING, __FILE__, __LINE__); | |
2062 | return; | |
2063 | } | |
2064 | $compiled_ref = "\$_POST"; | |
51ff3226 | 2065 | break; |
2066 | ||
2067 | case 'cookies': | |
9b7c11be H |
2068 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2069 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2070 | E_USER_WARNING, __FILE__, __LINE__); | |
2071 | return; | |
2072 | } | |
2073 | $compiled_ref = "\$_COOKIE"; | |
51ff3226 | 2074 | break; |
2075 | ||
2076 | case 'env': | |
9b7c11be H |
2077 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2078 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2079 | E_USER_WARNING, __FILE__, __LINE__); | |
2080 | return; | |
2081 | } | |
2082 | $compiled_ref = "\$_ENV"; | |
51ff3226 | 2083 | break; |
2084 | ||
2085 | case 'server': | |
9b7c11be H |
2086 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2087 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2088 | E_USER_WARNING, __FILE__, __LINE__); | |
2089 | return; | |
2090 | } | |
2091 | $compiled_ref = "\$_SERVER"; | |
51ff3226 | 2092 | break; |
2093 | ||
2094 | case 'session': | |
9b7c11be H |
2095 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2096 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2097 | E_USER_WARNING, __FILE__, __LINE__); | |
2098 | return; | |
2099 | } | |
2100 | $compiled_ref = "\$_SESSION"; | |
51ff3226 | 2101 | break; |
2102 | ||
2103 | /* | |
2104 | * These cases are handled either at run-time or elsewhere in the | |
2105 | * compiler. | |
2106 | */ | |
2107 | case 'request': | |
9b7c11be H |
2108 | if ($this->security && !$this->security_settings['ALLOW_SUPER_GLOBALS']) { |
2109 | $this->_syntax_error("(secure mode) super global access not permitted", | |
2110 | E_USER_WARNING, __FILE__, __LINE__); | |
2111 | return; | |
2112 | } | |
51ff3226 | 2113 | if ($this->request_use_auto_globals) { |
9b7c11be | 2114 | $compiled_ref = "\$_REQUEST"; |
51ff3226 | 2115 | break; |
2116 | } else { | |
2117 | $this->_init_smarty_vars = true; | |
2118 | } | |
2119 | return null; | |
2120 | ||
2121 | case 'capture': | |
2122 | return null; | |
2123 | ||
2124 | case 'template': | |
2125 | $compiled_ref = "'$this->_current_file'"; | |
2126 | $_max_index = 1; | |
2127 | break; | |
2128 | ||
2129 | case 'version': | |
2130 | $compiled_ref = "'$this->_version'"; | |
2131 | $_max_index = 1; | |
2132 | break; | |
2133 | ||
2134 | case 'const': | |
2135 | if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) { | |
2136 | $this->_syntax_error("(secure mode) constants not permitted", | |
2137 | E_USER_WARNING, __FILE__, __LINE__); | |
2138 | return; | |
2139 | } | |
2140 | array_shift($indexes); | |
2141 | if (preg_match('!^\.\w+$!', $indexes[0])) { | |
2142 | $compiled_ref = '@' . substr($indexes[0], 1); | |
2143 | } else { | |
2144 | $_val = $this->_parse_var_props(substr($indexes[0], 1)); | |
2145 | $compiled_ref = '@constant(' . $_val . ')'; | |
2146 | } | |
2147 | $_max_index = 1; | |
2148 | break; | |
2149 | ||
2150 | case 'config': | |
2151 | $compiled_ref = "\$this->_config[0]['vars']"; | |
2152 | $_max_index = 3; | |
2153 | break; | |
2154 | ||
2155 | case 'ldelim': | |
2156 | $compiled_ref = "'$this->left_delimiter'"; | |
2157 | break; | |
2158 | ||
2159 | case 'rdelim': | |
2160 | $compiled_ref = "'$this->right_delimiter'"; | |
2161 | break; | |
9b7c11be | 2162 | |
51ff3226 | 2163 | default: |
2164 | $this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__); | |
2165 | break; | |
2166 | } | |
2167 | ||
2168 | if (isset($_max_index) && count($indexes) > $_max_index) { | |
2169 | $this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); | |
2170 | } | |
2171 | ||
2172 | array_shift($indexes); | |
2173 | return $compiled_ref; | |
2174 | } | |
2175 | ||
2176 | /** | |
2177 | * compiles call to plugin of type $type with name $name | |
2178 | * returns a string containing the function-name or method call | |
2179 | * without the paramter-list that would have follow to make the | |
2180 | * call valid php-syntax | |
2181 | * | |
2182 | * @param string $type | |
2183 | * @param string $name | |
2184 | * @return string | |
2185 | */ | |
2186 | function _compile_plugin_call($type, $name) { | |
2187 | if (isset($this->_plugins[$type][$name])) { | |
2188 | /* plugin loaded */ | |
2189 | if (is_array($this->_plugins[$type][$name][0])) { | |
2190 | return ((is_object($this->_plugins[$type][$name][0][0])) ? | |
2191 | "\$this->_plugins['$type']['$name'][0][0]->" /* method callback */ | |
2192 | : (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */ | |
2193 | ). $this->_plugins[$type][$name][0][1]; | |
2194 | ||
2195 | } else { | |
2196 | /* function callback */ | |
2197 | return $this->_plugins[$type][$name][0]; | |
2198 | ||
2199 | } | |
2200 | } else { | |
2201 | /* plugin not loaded -> auto-loadable-plugin */ | |
2202 | return 'smarty_'.$type.'_'.$name; | |
2203 | ||
2204 | } | |
2205 | } | |
2206 | ||
2207 | /** | |
2208 | * load pre- and post-filters | |
2209 | */ | |
2210 | function _load_filters() | |
2211 | { | |
2212 | if (count($this->_plugins['prefilter']) > 0) { | |
2213 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { | |
2214 | if ($prefilter === false) { | |
2215 | unset($this->_plugins['prefilter'][$filter_name]); | |
2216 | $_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false))); | |
2217 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); | |
2218 | smarty_core_load_plugins($_params, $this); | |
2219 | } | |
2220 | } | |
2221 | } | |
2222 | if (count($this->_plugins['postfilter']) > 0) { | |
2223 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { | |
2224 | if ($postfilter === false) { | |
2225 | unset($this->_plugins['postfilter'][$filter_name]); | |
2226 | $_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false))); | |
2227 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); | |
2228 | smarty_core_load_plugins($_params, $this); | |
2229 | } | |
2230 | } | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | ||
2235 | /** | |
2236 | * Quote subpattern references | |
2237 | * | |
2238 | * @param string $string | |
2239 | * @return string | |
2240 | */ | |
2241 | function _quote_replace($string) | |
2242 | { | |
2243 | return strtr($string, array('\\' => '\\\\', '$' => '\\$')); | |
2244 | } | |
2245 | ||
2246 | /** | |
2247 | * display Smarty syntax error | |
2248 | * | |
2249 | * @param string $error_msg | |
2250 | * @param integer $error_type | |
2251 | * @param string $file | |
2252 | * @param integer $line | |
2253 | */ | |
2254 | function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null) | |
2255 | { | |
2256 | $this->_trigger_fatal_error("syntax error: $error_msg", $this->_current_file, $this->_current_line_no, $file, $line, $error_type); | |
2257 | } | |
2258 | ||
2259 | ||
2260 | /** | |
2261 | * check if the compilation changes from cacheable to | |
2262 | * non-cacheable state with the beginning of the current | |
2263 | * plugin. return php-code to reflect the transition. | |
2264 | * @return string | |
2265 | */ | |
2266 | function _push_cacheable_state($type, $name) { | |
2267 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; | |
2268 | if ($_cacheable | |
2269 | || 0<$this->_cacheable_state++) return ''; | |
2270 | if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty')); | |
9b7c11be | 2271 | $_ret = 'if ($this->caching && !$this->_cache_including): echo \'{nocache:' |
51ff3226 | 2272 | . $this->_cache_serial . '#' . $this->_nocache_count |
9b7c11be | 2273 | . '}\'; endif;'; |
51ff3226 | 2274 | return $_ret; |
2275 | } | |
2276 | ||
2277 | ||
2278 | /** | |
2279 | * check if the compilation changes from non-cacheable to | |
2280 | * cacheable state with the end of the current plugin return | |
2281 | * php-code to reflect the transition. | |
2282 | * @return string | |
2283 | */ | |
2284 | function _pop_cacheable_state($type, $name) { | |
2285 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; | |
2286 | if ($_cacheable | |
2287 | || --$this->_cacheable_state>0) return ''; | |
9b7c11be | 2288 | return 'if ($this->caching && !$this->_cache_including): echo \'{/nocache:' |
51ff3226 | 2289 | . $this->_cache_serial . '#' . ($this->_nocache_count++) |
9b7c11be | 2290 | . '}\'; endif;'; |
51ff3226 | 2291 | } |
2292 | ||
2293 | ||
2294 | /** | |
2295 | * push opening tag-name, file-name and line-number on the tag-stack | |
2296 | * @param string the opening tag's name | |
2297 | */ | |
2298 | function _push_tag($open_tag) | |
2299 | { | |
2300 | array_push($this->_tag_stack, array($open_tag, $this->_current_line_no)); | |
2301 | } | |
2302 | ||
2303 | /** | |
2304 | * pop closing tag-name | |
2305 | * raise an error if this stack-top doesn't match with the closing tag | |
2306 | * @param string the closing tag's name | |
2307 | * @return string the opening tag's name | |
2308 | */ | |
2309 | function _pop_tag($close_tag) | |
2310 | { | |
2311 | $message = ''; | |
2312 | if (count($this->_tag_stack)>0) { | |
2313 | list($_open_tag, $_line_no) = array_pop($this->_tag_stack); | |
2314 | if ($close_tag == $_open_tag) { | |
2315 | return $_open_tag; | |
2316 | } | |
2317 | if ($close_tag == 'if' && ($_open_tag == 'else' || $_open_tag == 'elseif' )) { | |
2318 | return $this->_pop_tag($close_tag); | |
2319 | } | |
2320 | if ($close_tag == 'section' && $_open_tag == 'sectionelse') { | |
2321 | $this->_pop_tag($close_tag); | |
2322 | return $_open_tag; | |
2323 | } | |
2324 | if ($close_tag == 'foreach' && $_open_tag == 'foreachelse') { | |
2325 | $this->_pop_tag($close_tag); | |
2326 | return $_open_tag; | |
2327 | } | |
2328 | if ($_open_tag == 'else' || $_open_tag == 'elseif') { | |
2329 | $_open_tag = 'if'; | |
2330 | } elseif ($_open_tag == 'sectionelse') { | |
2331 | $_open_tag = 'section'; | |
2332 | } elseif ($_open_tag == 'foreachelse') { | |
2333 | $_open_tag = 'foreach'; | |
2334 | } | |
2335 | $message = " expected {/$_open_tag} (opened line $_line_no)."; | |
2336 | } | |
2337 | $this->_syntax_error("mismatched tag {/$close_tag}.$message", | |
2338 | E_USER_ERROR, __FILE__, __LINE__); | |
2339 | } | |
2340 | ||
2341 | } | |
2342 | ||
2343 | /** | |
2344 | * compare to values by their string length | |
2345 | * | |
2346 | * @access private | |
2347 | * @param string $a | |
2348 | * @param string $b | |
2349 | * @return 0|-1|1 | |
2350 | */ | |
2351 | function _smarty_sort_length($a, $b) | |
2352 | { | |
2353 | if($a == $b) | |
2354 | return 0; | |
2355 | ||
2356 | if(strlen($a) == strlen($b)) | |
2357 | return ($a > $b) ? -1 : 1; | |
2358 | ||
2359 | return (strlen($a) > strlen($b)) ? -1 : 1; | |
2360 | } | |
2361 | ||
2362 | ||
2363 | /* vim: set et: */ | |
2364 | ||
2365 | ?> |