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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> |
24 | * @version 2.6.10 |
25 | * @copyright 2001-2005 New Digital Group, Inc. |
26 | * @package Smarty |
27 | */ |
28 | |
29 | /* $Id: Smarty_Compiler.class.php,v 1.370 2005/08/04 19:43:21 messju Exp $ */ |
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 . '|' . $this->_dvar_math_var_regexp . ')*)?)'; |
165 | |
166 | // matches valid modifier syntax: |
167 | // |foo |
168 | // |@foo |
169 | // |foo:"bar" |
170 | // |foo:$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 */ |
281 | if (preg_match_all('~(<\?(?:\w+|=)?|\?>|language\s*=\s*[\"\']?php[\"\']?)~is', $text_blocks[$curr_tb], $sp_match)) { |
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 | } |
307 | |
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]); |
336 | if ($compiled_tags[$j] == '{/strip}') { |
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 | $compiled_content = ''; |
352 | |
353 | /* Interleave the compiled contents and text blocks to get the final result. */ |
354 | for ($i = 0, $for_max = count($compiled_tags); $i < $for_max; $i++) { |
355 | if ($compiled_tags[$i] == '') { |
356 | // tag result empty, remove first newline from following text block |
357 | $text_blocks[$i+1] = preg_replace('~^(\r\n|\r|\n)~', '', $text_blocks[$i+1]); |
358 | } |
359 | $compiled_content .= $text_blocks[$i].$compiled_tags[$i]; |
360 | } |
361 | $compiled_content .= $text_blocks[$i]; |
362 | |
363 | // remove \n from the end of the file, if any |
364 | if (($_len=strlen($compiled_content)) && ($compiled_content{$_len - 1} == "\n" )) { |
365 | $compiled_content = substr($compiled_content, 0, -1); |
366 | } |
367 | |
368 | if (!empty($this->_cache_serial)) { |
369 | $compiled_content = "<?php \$this->_cache_serials['".$this->_cache_include."'] = '".$this->_cache_serial."'; ?>" . $compiled_content; |
370 | } |
371 | |
372 | // remove unnecessary close/open tags |
373 | $compiled_content = preg_replace('~\?>\n?<\?php~', '', $compiled_content); |
374 | |
375 | // run compiled template through postfilter functions |
376 | if (count($this->_plugins['postfilter']) > 0) { |
377 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
378 | if ($postfilter === false) continue; |
379 | if ($postfilter[3] || is_callable($postfilter[0])) { |
380 | $compiled_content = call_user_func_array($postfilter[0], |
381 | array($compiled_content, &$this)); |
382 | $this->_plugins['postfilter'][$filter_name][3] = true; |
383 | } else { |
384 | $this->_trigger_fatal_error("Smarty plugin error: postfilter '$filter_name' is not implemented"); |
385 | } |
386 | } |
387 | } |
388 | |
389 | // put header at the top of the compiled template |
390 | $template_header = "<?php /* Smarty version ".$this->_version.", created on ".strftime("%Y-%m-%d %H:%M:%S")."\n"; |
391 | $template_header .= " compiled from ".strtr(urlencode($resource_name), array('%2F'=>'/', '%3A'=>':'))." */ ?>\n"; |
392 | |
393 | /* Emit code to load needed plugins. */ |
394 | $this->_plugins_code = ''; |
395 | if (count($this->_plugin_info)) { |
396 | $_plugins_params = "array('plugins' => array("; |
397 | foreach ($this->_plugin_info as $plugin_type => $plugins) { |
398 | foreach ($plugins as $plugin_name => $plugin_info) { |
399 | $_plugins_params .= "array('$plugin_type', '$plugin_name', '" . strtr($plugin_info[0], array("'" => "\\'", "\\" => "\\\\")) . "', $plugin_info[1], "; |
400 | $_plugins_params .= $plugin_info[2] ? 'true),' : 'false),'; |
401 | } |
402 | } |
403 | $_plugins_params .= '))'; |
404 | $plugins_code = "<?php require_once(SMARTY_CORE_DIR . 'core.load_plugins.php');\nsmarty_core_load_plugins($_plugins_params, \$this); ?>\n"; |
405 | $template_header .= $plugins_code; |
406 | $this->_plugin_info = array(); |
407 | $this->_plugins_code = $plugins_code; |
408 | } |
409 | |
410 | if ($this->_init_smarty_vars) { |
411 | $template_header .= "<?php require_once(SMARTY_CORE_DIR . 'core.assign_smarty_interface.php');\nsmarty_core_assign_smarty_interface(null, \$this); ?>\n"; |
412 | $this->_init_smarty_vars = false; |
413 | } |
414 | |
415 | $compiled_content = $template_header . $compiled_content; |
416 | return true; |
417 | } |
418 | |
419 | /** |
420 | * Compile a template tag |
421 | * |
422 | * @param string $template_tag |
423 | * @return string |
424 | */ |
425 | function _compile_tag($template_tag) |
426 | { |
427 | /* Matched comment. */ |
428 | if ($template_tag{0} == '*' && $template_tag{strlen($template_tag) - 1} == '*') |
429 | return ''; |
430 | |
431 | /* Split tag into two three parts: command, command modifiers and the arguments. */ |
432 | if(! preg_match('~^(?:(' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp |
433 | . '|\/?' . $this->_reg_obj_regexp . '|\/?' . $this->_func_regexp . ')(' . $this->_mod_regexp . '*)) |
434 | (?:\s+(.*))?$ |
435 | ~xs', $template_tag, $match)) { |
436 | $this->_syntax_error("unrecognized tag: $template_tag", E_USER_ERROR, __FILE__, __LINE__); |
437 | } |
438 | |
439 | $tag_command = $match[1]; |
440 | $tag_modifier = isset($match[2]) ? $match[2] : null; |
441 | $tag_args = isset($match[3]) ? $match[3] : null; |
442 | |
443 | if (preg_match('~^' . $this->_num_const_regexp . '|' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '$~', $tag_command)) { |
444 | /* tag name is a variable or object */ |
445 | $_return = $this->_parse_var_props($tag_command . $tag_modifier); |
446 | return "<?php echo $_return; ?>" . $this->_additional_newline; |
447 | } |
448 | |
449 | /* If the tag name is a registered object, we process it. */ |
450 | if (preg_match('~^\/?' . $this->_reg_obj_regexp . '$~', $tag_command)) { |
451 | return $this->_compile_registered_object_tag($tag_command, $this->_parse_attrs($tag_args), $tag_modifier); |
452 | } |
453 | |
454 | switch ($tag_command) { |
455 | case 'include': |
456 | return $this->_compile_include_tag($tag_args); |
457 | |
458 | case 'include_php': |
459 | return $this->_compile_include_php_tag($tag_args); |
460 | |
461 | case 'if': |
462 | $this->_push_tag('if'); |
463 | return $this->_compile_if_tag($tag_args); |
464 | |
465 | case 'else': |
466 | list($_open_tag) = end($this->_tag_stack); |
467 | if ($_open_tag != 'if' && $_open_tag != 'elseif') |
468 | $this->_syntax_error('unexpected {else}', E_USER_ERROR, __FILE__, __LINE__); |
469 | else |
470 | $this->_push_tag('else'); |
471 | return '<?php else: ?>'; |
472 | |
473 | case 'elseif': |
474 | list($_open_tag) = end($this->_tag_stack); |
475 | if ($_open_tag != 'if' && $_open_tag != 'elseif') |
476 | $this->_syntax_error('unexpected {elseif}', E_USER_ERROR, __FILE__, __LINE__); |
477 | if ($_open_tag == 'if') |
478 | $this->_push_tag('elseif'); |
479 | return $this->_compile_if_tag($tag_args, true); |
480 | |
481 | case '/if': |
482 | $this->_pop_tag('if'); |
483 | return '<?php endif; ?>'; |
484 | |
485 | case 'capture': |
486 | return $this->_compile_capture_tag(true, $tag_args); |
487 | |
488 | case '/capture': |
489 | return $this->_compile_capture_tag(false); |
490 | |
491 | case 'ldelim': |
492 | return $this->left_delimiter; |
493 | |
494 | case 'rdelim': |
495 | return $this->right_delimiter; |
496 | |
497 | case 'section': |
498 | $this->_push_tag('section'); |
499 | return $this->_compile_section_start($tag_args); |
500 | |
501 | case 'sectionelse': |
502 | $this->_push_tag('sectionelse'); |
503 | return "<?php endfor; else: ?>"; |
504 | break; |
505 | |
506 | case '/section': |
507 | $_open_tag = $this->_pop_tag('section'); |
508 | if ($_open_tag == 'sectionelse') |
509 | return "<?php endif; ?>"; |
510 | else |
511 | return "<?php endfor; endif; ?>"; |
512 | |
513 | case 'foreach': |
514 | $this->_push_tag('foreach'); |
515 | return $this->_compile_foreach_start($tag_args); |
516 | break; |
517 | |
518 | case 'foreachelse': |
519 | $this->_push_tag('foreachelse'); |
520 | return "<?php endforeach; else: ?>"; |
521 | |
522 | case '/foreach': |
523 | $_open_tag = $this->_pop_tag('foreach'); |
524 | if ($_open_tag == 'foreachelse') |
525 | return "<?php endif; unset(\$_from); ?>"; |
526 | else |
527 | return "<?php endforeach; endif; unset(\$_from); ?>"; |
528 | break; |
529 | |
530 | case 'strip': |
531 | case '/strip': |
532 | if ($tag_command{0}=='/') { |
533 | $this->_pop_tag('strip'); |
534 | if (--$this->_strip_depth==0) { /* outermost closing {/strip} */ |
535 | $this->_additional_newline = "\n"; |
536 | return '{' . $tag_command . '}'; |
537 | } |
538 | } else { |
539 | $this->_push_tag('strip'); |
540 | if ($this->_strip_depth++==0) { /* outermost opening {strip} */ |
541 | $this->_additional_newline = ""; |
542 | return '{' . $tag_command . '}'; |
543 | } |
544 | } |
545 | return ''; |
546 | |
547 | case 'php': |
548 | /* handle folded tags replaced by {php} */ |
549 | list(, $block) = each($this->_folded_blocks); |
550 | $this->_current_line_no += substr_count($block[0], "\n"); |
551 | /* the number of matched elements in the regexp in _compile_file() |
552 | determins the type of folded tag that was found */ |
553 | switch (count($block)) { |
554 | case 2: /* comment */ |
555 | return ''; |
556 | |
557 | case 3: /* literal */ |
558 | return "<?php echo '" . strtr($block[2], array("'"=>"\'", "\\"=>"\\\\")) . "'; ?>" . $this->_additional_newline; |
559 | |
560 | case 4: /* php */ |
561 | if ($this->security && !$this->security_settings['PHP_TAGS']) { |
562 | $this->_syntax_error("(secure mode) php tags not permitted", E_USER_WARNING, __FILE__, __LINE__); |
563 | return; |
564 | } |
565 | return '<?php ' . $block[3] .' ?>'; |
566 | } |
567 | break; |
568 | |
569 | case 'insert': |
570 | return $this->_compile_insert_tag($tag_args); |
571 | |
572 | default: |
573 | if ($this->_compile_compiler_tag($tag_command, $tag_args, $output)) { |
574 | return $output; |
575 | } else if ($this->_compile_block_tag($tag_command, $tag_args, $tag_modifier, $output)) { |
576 | return $output; |
577 | } else if ($this->_compile_custom_tag($tag_command, $tag_args, $tag_modifier, $output)) { |
578 | return $output; |
579 | } else { |
580 | $this->_syntax_error("unrecognized tag '$tag_command'", E_USER_ERROR, __FILE__, __LINE__); |
581 | } |
582 | |
583 | } |
584 | } |
585 | |
586 | |
587 | /** |
588 | * compile the custom compiler tag |
589 | * |
590 | * sets $output to the compiled custom compiler tag |
591 | * @param string $tag_command |
592 | * @param string $tag_args |
593 | * @param string $output |
594 | * @return boolean |
595 | */ |
596 | function _compile_compiler_tag($tag_command, $tag_args, &$output) |
597 | { |
598 | $found = false; |
599 | $have_function = true; |
600 | |
601 | /* |
602 | * First we check if the compiler function has already been registered |
603 | * or loaded from a plugin file. |
604 | */ |
605 | if (isset($this->_plugins['compiler'][$tag_command])) { |
606 | $found = true; |
607 | $plugin_func = $this->_plugins['compiler'][$tag_command][0]; |
608 | if (!is_callable($plugin_func)) { |
609 | $message = "compiler function '$tag_command' is not implemented"; |
610 | $have_function = false; |
611 | } |
612 | } |
613 | /* |
614 | * Otherwise we need to load plugin file and look for the function |
615 | * inside it. |
616 | */ |
617 | else if ($plugin_file = $this->_get_plugin_filepath('compiler', $tag_command)) { |
618 | $found = true; |
619 | |
620 | include_once $plugin_file; |
621 | |
622 | $plugin_func = 'smarty_compiler_' . $tag_command; |
623 | if (!is_callable($plugin_func)) { |
624 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
625 | $have_function = false; |
626 | } else { |
627 | $this->_plugins['compiler'][$tag_command] = array($plugin_func, null, null, null, true); |
628 | } |
629 | } |
630 | |
631 | /* |
632 | * True return value means that we either found a plugin or a |
633 | * dynamically registered function. False means that we didn't and the |
634 | * compiler should now emit code to load custom function plugin for this |
635 | * tag. |
636 | */ |
637 | if ($found) { |
638 | if ($have_function) { |
639 | $output = call_user_func_array($plugin_func, array($tag_args, &$this)); |
640 | if($output != '') { |
641 | $output = '<?php ' . $this->_push_cacheable_state('compiler', $tag_command) |
642 | . $output |
643 | . $this->_pop_cacheable_state('compiler', $tag_command) . ' ?>'; |
644 | } |
645 | } else { |
646 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
647 | } |
648 | return true; |
649 | } else { |
650 | return false; |
651 | } |
652 | } |
653 | |
654 | |
655 | /** |
656 | * compile block function tag |
657 | * |
658 | * sets $output to compiled block function tag |
659 | * @param string $tag_command |
660 | * @param string $tag_args |
661 | * @param string $tag_modifier |
662 | * @param string $output |
663 | * @return boolean |
664 | */ |
665 | function _compile_block_tag($tag_command, $tag_args, $tag_modifier, &$output) |
666 | { |
667 | if ($tag_command{0} == '/') { |
668 | $start_tag = false; |
669 | $tag_command = substr($tag_command, 1); |
670 | } else |
671 | $start_tag = true; |
672 | |
673 | $found = false; |
674 | $have_function = true; |
675 | |
676 | /* |
677 | * First we check if the block function has already been registered |
678 | * or loaded from a plugin file. |
679 | */ |
680 | if (isset($this->_plugins['block'][$tag_command])) { |
681 | $found = true; |
682 | $plugin_func = $this->_plugins['block'][$tag_command][0]; |
683 | if (!is_callable($plugin_func)) { |
684 | $message = "block function '$tag_command' is not implemented"; |
685 | $have_function = false; |
686 | } |
687 | } |
688 | /* |
689 | * Otherwise we need to load plugin file and look for the function |
690 | * inside it. |
691 | */ |
692 | else if ($plugin_file = $this->_get_plugin_filepath('block', $tag_command)) { |
693 | $found = true; |
694 | |
695 | include_once $plugin_file; |
696 | |
697 | $plugin_func = 'smarty_block_' . $tag_command; |
698 | if (!function_exists($plugin_func)) { |
699 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
700 | $have_function = false; |
701 | } else { |
702 | $this->_plugins['block'][$tag_command] = array($plugin_func, null, null, null, true); |
703 | |
704 | } |
705 | } |
706 | |
707 | if (!$found) { |
708 | return false; |
709 | } else if (!$have_function) { |
710 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
711 | return true; |
712 | } |
713 | |
714 | /* |
715 | * Even though we've located the plugin function, compilation |
716 | * happens only once, so the plugin will still need to be loaded |
717 | * at runtime for future requests. |
718 | */ |
719 | $this->_add_plugin('block', $tag_command); |
720 | |
721 | if ($start_tag) |
722 | $this->_push_tag($tag_command); |
723 | else |
724 | $this->_pop_tag($tag_command); |
725 | |
726 | if ($start_tag) { |
727 | $output = '<?php ' . $this->_push_cacheable_state('block', $tag_command); |
728 | $attrs = $this->_parse_attrs($tag_args); |
729 | $arg_list = $this->_compile_arg_list('block', $tag_command, $attrs, $_cache_attrs=''); |
730 | $output .= "$_cache_attrs\$this->_tag_stack[] = array('$tag_command', array(".implode(',', $arg_list).')); '; |
731 | $output .= $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], null, $this, $_block_repeat=true);'; |
732 | $output .= 'while ($_block_repeat) { ob_start(); ?>'; |
733 | } else { |
734 | $output = '<?php $_block_content = ob_get_contents(); ob_end_clean(); '; |
735 | $_out_tag_text = $this->_compile_plugin_call('block', $tag_command).'($this->_tag_stack[count($this->_tag_stack)-1][1], $_block_content, $this, $_block_repeat=false)'; |
736 | if ($tag_modifier != '') { |
737 | $this->_parse_modifiers($_out_tag_text, $tag_modifier); |
738 | } |
739 | $output .= 'echo '.$_out_tag_text.'; } '; |
740 | $output .= " array_pop(\$this->_tag_stack); " . $this->_pop_cacheable_state('block', $tag_command) . '?>'; |
741 | } |
742 | |
743 | return true; |
744 | } |
745 | |
746 | |
747 | /** |
748 | * compile custom function tag |
749 | * |
750 | * @param string $tag_command |
751 | * @param string $tag_args |
752 | * @param string $tag_modifier |
753 | * @return string |
754 | */ |
755 | function _compile_custom_tag($tag_command, $tag_args, $tag_modifier, &$output) |
756 | { |
757 | $found = false; |
758 | $have_function = true; |
759 | |
760 | /* |
761 | * First we check if the custom function has already been registered |
762 | * or loaded from a plugin file. |
763 | */ |
764 | if (isset($this->_plugins['function'][$tag_command])) { |
765 | $found = true; |
766 | $plugin_func = $this->_plugins['function'][$tag_command][0]; |
767 | if (!is_callable($plugin_func)) { |
768 | $message = "custom function '$tag_command' is not implemented"; |
769 | $have_function = false; |
770 | } |
771 | } |
772 | /* |
773 | * Otherwise we need to load plugin file and look for the function |
774 | * inside it. |
775 | */ |
776 | else if ($plugin_file = $this->_get_plugin_filepath('function', $tag_command)) { |
777 | $found = true; |
778 | |
779 | include_once $plugin_file; |
780 | |
781 | $plugin_func = 'smarty_function_' . $tag_command; |
782 | if (!function_exists($plugin_func)) { |
783 | $message = "plugin function $plugin_func() not found in $plugin_file\n"; |
784 | $have_function = false; |
785 | } else { |
786 | $this->_plugins['function'][$tag_command] = array($plugin_func, null, null, null, true); |
787 | |
788 | } |
789 | } |
790 | |
791 | if (!$found) { |
792 | return false; |
793 | } else if (!$have_function) { |
794 | $this->_syntax_error($message, E_USER_WARNING, __FILE__, __LINE__); |
795 | return true; |
796 | } |
797 | |
798 | /* declare plugin to be loaded on display of the template that |
799 | we compile right now */ |
800 | $this->_add_plugin('function', $tag_command); |
801 | |
802 | $_cacheable_state = $this->_push_cacheable_state('function', $tag_command); |
803 | $attrs = $this->_parse_attrs($tag_args); |
804 | $arg_list = $this->_compile_arg_list('function', $tag_command, $attrs, $_cache_attrs=''); |
805 | |
806 | $output = $this->_compile_plugin_call('function', $tag_command).'(array('.implode(',', $arg_list)."), \$this)"; |
807 | if($tag_modifier != '') { |
808 | $this->_parse_modifiers($output, $tag_modifier); |
809 | } |
810 | |
811 | if($output != '') { |
812 | $output = '<?php ' . $_cacheable_state . $_cache_attrs . 'echo ' . $output . ';' |
813 | . $this->_pop_cacheable_state('function', $tag_command) . "?>" . $this->_additional_newline; |
814 | } |
815 | |
816 | return true; |
817 | } |
818 | |
819 | /** |
820 | * compile a registered object tag |
821 | * |
822 | * @param string $tag_command |
823 | * @param array $attrs |
824 | * @param string $tag_modifier |
825 | * @return string |
826 | */ |
827 | function _compile_registered_object_tag($tag_command, $attrs, $tag_modifier) |
828 | { |
829 | if ($tag_command{0} == '/') { |
830 | $start_tag = false; |
831 | $tag_command = substr($tag_command, 1); |
832 | } else { |
833 | $start_tag = true; |
834 | } |
835 | |
836 | list($object, $obj_comp) = explode('->', $tag_command); |
837 | |
838 | $arg_list = array(); |
839 | if(count($attrs)) { |
840 | $_assign_var = false; |
841 | foreach ($attrs as $arg_name => $arg_value) { |
842 | if($arg_name == 'assign') { |
843 | $_assign_var = $arg_value; |
844 | unset($attrs['assign']); |
845 | continue; |
846 | } |
847 | if (is_bool($arg_value)) |
848 | $arg_value = $arg_value ? 'true' : 'false'; |
849 | $arg_list[] = "'$arg_name' => $arg_value"; |
850 | } |
851 | } |
852 | |
853 | if($this->_reg_objects[$object][2]) { |
854 | // smarty object argument format |
855 | $args = "array(".implode(',', (array)$arg_list)."), \$this"; |
856 | } else { |
857 | // traditional argument format |
858 | $args = implode(',', array_values($attrs)); |
859 | if (empty($args)) { |
860 | $args = 'null'; |
861 | } |
862 | } |
863 | |
864 | $prefix = ''; |
865 | $postfix = ''; |
866 | $newline = ''; |
867 | if(!is_object($this->_reg_objects[$object][0])) { |
868 | $this->_trigger_fatal_error("registered '$object' is not an object" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
869 | } elseif(!empty($this->_reg_objects[$object][1]) && !in_array($obj_comp, $this->_reg_objects[$object][1])) { |
870 | $this->_trigger_fatal_error("'$obj_comp' is not a registered component of object '$object'", $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
871 | } elseif(method_exists($this->_reg_objects[$object][0], $obj_comp)) { |
872 | // method |
873 | if(in_array($obj_comp, $this->_reg_objects[$object][3])) { |
874 | // block method |
875 | if ($start_tag) { |
876 | $prefix = "\$this->_tag_stack[] = array('$obj_comp', $args); "; |
877 | $prefix .= "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], null, \$this, \$_block_repeat=true); "; |
878 | $prefix .= "while (\$_block_repeat) { ob_start();"; |
879 | $return = null; |
880 | $postfix = ''; |
881 | } else { |
882 | $prefix = "\$_obj_block_content = ob_get_contents(); ob_end_clean(); "; |
883 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp(\$this->_tag_stack[count(\$this->_tag_stack)-1][1], \$_obj_block_content, \$this, \$_block_repeat=false)"; |
884 | $postfix = "} array_pop(\$this->_tag_stack);"; |
885 | } |
886 | } else { |
887 | // non-block method |
888 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp($args)"; |
889 | } |
890 | } else { |
891 | // property |
892 | $return = "\$this->_reg_objects['$object'][0]->$obj_comp"; |
893 | } |
894 | |
895 | if($return != null) { |
896 | if($tag_modifier != '') { |
897 | $this->_parse_modifiers($return, $tag_modifier); |
898 | } |
899 | |
900 | if(!empty($_assign_var)) { |
901 | $output = "\$this->assign('" . $this->_dequote($_assign_var) ."', $return);"; |
902 | } else { |
903 | $output = 'echo ' . $return . ';'; |
904 | $newline = $this->_additional_newline; |
905 | } |
906 | } else { |
907 | $output = ''; |
908 | } |
909 | |
910 | return '<?php ' . $prefix . $output . $postfix . "?>" . $newline; |
911 | } |
912 | |
913 | /** |
914 | * Compile {insert ...} tag |
915 | * |
916 | * @param string $tag_args |
917 | * @return string |
918 | */ |
919 | function _compile_insert_tag($tag_args) |
920 | { |
921 | $attrs = $this->_parse_attrs($tag_args); |
922 | $name = $this->_dequote($attrs['name']); |
923 | |
924 | if (empty($name)) { |
925 | $this->_syntax_error("missing insert name", E_USER_ERROR, __FILE__, __LINE__); |
926 | } |
927 | |
928 | if (!empty($attrs['script'])) { |
929 | $delayed_loading = true; |
930 | } else { |
931 | $delayed_loading = false; |
932 | } |
933 | |
934 | foreach ($attrs as $arg_name => $arg_value) { |
935 | if (is_bool($arg_value)) |
936 | $arg_value = $arg_value ? 'true' : 'false'; |
937 | $arg_list[] = "'$arg_name' => $arg_value"; |
938 | } |
939 | |
940 | $this->_add_plugin('insert', $name, $delayed_loading); |
941 | |
942 | $_params = "array('args' => array(".implode(', ', (array)$arg_list)."))"; |
943 | |
944 | return "<?php require_once(SMARTY_CORE_DIR . 'core.run_insert_handler.php');\necho smarty_core_run_insert_handler($_params, \$this); ?>" . $this->_additional_newline; |
945 | } |
946 | |
947 | /** |
948 | * Compile {include ...} tag |
949 | * |
950 | * @param string $tag_args |
951 | * @return string |
952 | */ |
953 | function _compile_include_tag($tag_args) |
954 | { |
955 | $attrs = $this->_parse_attrs($tag_args); |
956 | $arg_list = array(); |
957 | |
958 | if (empty($attrs['file'])) { |
959 | $this->_syntax_error("missing 'file' attribute in include tag", E_USER_ERROR, __FILE__, __LINE__); |
960 | } |
961 | |
962 | foreach ($attrs as $arg_name => $arg_value) { |
963 | if ($arg_name == 'file') { |
964 | $include_file = $arg_value; |
965 | continue; |
966 | } else if ($arg_name == 'assign') { |
967 | $assign_var = $arg_value; |
968 | continue; |
969 | } |
970 | if (is_bool($arg_value)) |
971 | $arg_value = $arg_value ? 'true' : 'false'; |
972 | $arg_list[] = "'$arg_name' => $arg_value"; |
973 | } |
974 | |
975 | $output = '<?php '; |
976 | |
977 | if (isset($assign_var)) { |
978 | $output .= "ob_start();\n"; |
979 | } |
980 | |
981 | $output .= |
982 | "\$_smarty_tpl_vars = \$this->_tpl_vars;\n"; |
983 | |
984 | |
985 | $_params = "array('smarty_include_tpl_file' => " . $include_file . ", 'smarty_include_vars' => array(".implode(',', (array)$arg_list)."))"; |
986 | $output .= "\$this->_smarty_include($_params);\n" . |
987 | "\$this->_tpl_vars = \$_smarty_tpl_vars;\n" . |
988 | "unset(\$_smarty_tpl_vars);\n"; |
989 | |
990 | if (isset($assign_var)) { |
991 | $output .= "\$this->assign(" . $assign_var . ", ob_get_contents()); ob_end_clean();\n"; |
992 | } |
993 | |
994 | $output .= ' ?>'; |
995 | |
996 | return $output; |
997 | |
998 | } |
999 | |
1000 | /** |
1001 | * Compile {include ...} tag |
1002 | * |
1003 | * @param string $tag_args |
1004 | * @return string |
1005 | */ |
1006 | function _compile_include_php_tag($tag_args) |
1007 | { |
1008 | $attrs = $this->_parse_attrs($tag_args); |
1009 | |
1010 | if (empty($attrs['file'])) { |
1011 | $this->_syntax_error("missing 'file' attribute in include_php tag", E_USER_ERROR, __FILE__, __LINE__); |
1012 | } |
1013 | |
1014 | $assign_var = (empty($attrs['assign'])) ? '' : $this->_dequote($attrs['assign']); |
1015 | $once_var = (empty($attrs['once']) || $attrs['once']=='false') ? 'false' : 'true'; |
1016 | |
1017 | $arg_list = array(); |
1018 | foreach($attrs as $arg_name => $arg_value) { |
1019 | if($arg_name != 'file' AND $arg_name != 'once' AND $arg_name != 'assign') { |
1020 | if(is_bool($arg_value)) |
1021 | $arg_value = $arg_value ? 'true' : 'false'; |
1022 | $arg_list[] = "'$arg_name' => $arg_value"; |
1023 | } |
1024 | } |
1025 | |
1026 | $_params = "array('smarty_file' => " . $attrs['file'] . ", 'smarty_assign' => '$assign_var', 'smarty_once' => $once_var, 'smarty_include_vars' => array(".implode(',', $arg_list)."))"; |
1027 | |
1028 | return "<?php require_once(SMARTY_CORE_DIR . 'core.smarty_include_php.php');\nsmarty_core_smarty_include_php($_params, \$this); ?>" . $this->_additional_newline; |
1029 | } |
1030 | |
1031 | |
1032 | /** |
1033 | * Compile {section ...} tag |
1034 | * |
1035 | * @param string $tag_args |
1036 | * @return string |
1037 | */ |
1038 | function _compile_section_start($tag_args) |
1039 | { |
1040 | $attrs = $this->_parse_attrs($tag_args); |
1041 | $arg_list = array(); |
1042 | |
1043 | $output = '<?php '; |
1044 | $section_name = $attrs['name']; |
1045 | if (empty($section_name)) { |
1046 | $this->_syntax_error("missing section name", E_USER_ERROR, __FILE__, __LINE__); |
1047 | } |
1048 | |
1049 | $output .= "unset(\$this->_sections[$section_name]);\n"; |
1050 | $section_props = "\$this->_sections[$section_name]"; |
1051 | |
1052 | foreach ($attrs as $attr_name => $attr_value) { |
1053 | switch ($attr_name) { |
1054 | case 'loop': |
1055 | $output .= "{$section_props}['loop'] = is_array(\$_loop=$attr_value) ? count(\$_loop) : max(0, (int)\$_loop); unset(\$_loop);\n"; |
1056 | break; |
1057 | |
1058 | case 'show': |
1059 | if (is_bool($attr_value)) |
1060 | $show_attr_value = $attr_value ? 'true' : 'false'; |
1061 | else |
1062 | $show_attr_value = "(bool)$attr_value"; |
1063 | $output .= "{$section_props}['show'] = $show_attr_value;\n"; |
1064 | break; |
1065 | |
1066 | case 'name': |
1067 | $output .= "{$section_props}['$attr_name'] = $attr_value;\n"; |
1068 | break; |
1069 | |
1070 | case 'max': |
1071 | case 'start': |
1072 | $output .= "{$section_props}['$attr_name'] = (int)$attr_value;\n"; |
1073 | break; |
1074 | |
1075 | case 'step': |
1076 | $output .= "{$section_props}['$attr_name'] = ((int)$attr_value) == 0 ? 1 : (int)$attr_value;\n"; |
1077 | break; |
1078 | |
1079 | default: |
1080 | $this->_syntax_error("unknown section attribute - '$attr_name'", E_USER_ERROR, __FILE__, __LINE__); |
1081 | break; |
1082 | } |
1083 | } |
1084 | |
1085 | if (!isset($attrs['show'])) |
1086 | $output .= "{$section_props}['show'] = true;\n"; |
1087 | |
1088 | if (!isset($attrs['loop'])) |
1089 | $output .= "{$section_props}['loop'] = 1;\n"; |
1090 | |
1091 | if (!isset($attrs['max'])) |
1092 | $output .= "{$section_props}['max'] = {$section_props}['loop'];\n"; |
1093 | else |
1094 | $output .= "if ({$section_props}['max'] < 0)\n" . |
1095 | " {$section_props}['max'] = {$section_props}['loop'];\n"; |
1096 | |
1097 | if (!isset($attrs['step'])) |
1098 | $output .= "{$section_props}['step'] = 1;\n"; |
1099 | |
1100 | if (!isset($attrs['start'])) |
1101 | $output .= "{$section_props}['start'] = {$section_props}['step'] > 0 ? 0 : {$section_props}['loop']-1;\n"; |
1102 | else { |
1103 | $output .= "if ({$section_props}['start'] < 0)\n" . |
1104 | " {$section_props}['start'] = max({$section_props}['step'] > 0 ? 0 : -1, {$section_props}['loop'] + {$section_props}['start']);\n" . |
1105 | "else\n" . |
1106 | " {$section_props}['start'] = min({$section_props}['start'], {$section_props}['step'] > 0 ? {$section_props}['loop'] : {$section_props}['loop']-1);\n"; |
1107 | } |
1108 | |
1109 | $output .= "if ({$section_props}['show']) {\n"; |
1110 | if (!isset($attrs['start']) && !isset($attrs['step']) && !isset($attrs['max'])) { |
1111 | $output .= " {$section_props}['total'] = {$section_props}['loop'];\n"; |
1112 | } else { |
1113 | $output .= " {$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"; |
1114 | } |
1115 | $output .= " if ({$section_props}['total'] == 0)\n" . |
1116 | " {$section_props}['show'] = false;\n" . |
1117 | "} else\n" . |
1118 | " {$section_props}['total'] = 0;\n"; |
1119 | |
1120 | $output .= "if ({$section_props}['show']):\n"; |
1121 | $output .= " |
1122 | for ({$section_props}['index'] = {$section_props}['start'], {$section_props}['iteration'] = 1; |
1123 | {$section_props}['iteration'] <= {$section_props}['total']; |
1124 | {$section_props}['index'] += {$section_props}['step'], {$section_props}['iteration']++):\n"; |
1125 | $output .= "{$section_props}['rownum'] = {$section_props}['iteration'];\n"; |
1126 | $output .= "{$section_props}['index_prev'] = {$section_props}['index'] - {$section_props}['step'];\n"; |
1127 | $output .= "{$section_props}['index_next'] = {$section_props}['index'] + {$section_props}['step'];\n"; |
1128 | $output .= "{$section_props}['first'] = ({$section_props}['iteration'] == 1);\n"; |
1129 | $output .= "{$section_props}['last'] = ({$section_props}['iteration'] == {$section_props}['total']);\n"; |
1130 | |
1131 | $output .= "?>"; |
1132 | |
1133 | return $output; |
1134 | } |
1135 | |
1136 | |
1137 | /** |
1138 | * Compile {foreach ...} tag. |
1139 | * |
1140 | * @param string $tag_args |
1141 | * @return string |
1142 | */ |
1143 | function _compile_foreach_start($tag_args) |
1144 | { |
1145 | $attrs = $this->_parse_attrs($tag_args); |
1146 | $arg_list = array(); |
1147 | |
1148 | if (empty($attrs['from'])) { |
1149 | return $this->_syntax_error("foreach: missing 'from' attribute", E_USER_ERROR, __FILE__, __LINE__); |
1150 | } |
1151 | $from = $attrs['from']; |
1152 | |
1153 | if (empty($attrs['item'])) { |
1154 | return $this->_syntax_error("foreach: missing 'item' attribute", E_USER_ERROR, __FILE__, __LINE__); |
1155 | } |
1156 | $item = $this->_dequote($attrs['item']); |
1157 | if (!preg_match('~^\w+$~', $item)) { |
1158 | return $this->_syntax_error("'foreach: item' must be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
1159 | } |
1160 | |
1161 | if (isset($attrs['key'])) { |
1162 | $key = $this->_dequote($attrs['key']); |
1163 | if (!preg_match('~^\w+$~', $key)) { |
1164 | return $this->_syntax_error("foreach: 'key' must to be a variable name (literal string)", E_USER_ERROR, __FILE__, __LINE__); |
1165 | } |
1166 | $key_part = "\$this->_tpl_vars['$key'] => "; |
1167 | } else { |
1168 | $key = null; |
1169 | $key_part = ''; |
1170 | } |
1171 | |
1172 | if (isset($attrs['name'])) { |
1173 | $name = $attrs['name']; |
1174 | } else { |
1175 | $name = null; |
1176 | } |
1177 | |
1178 | $output = '<?php '; |
1179 | $output .= "\$_from = $from; if (!is_array(\$_from) && !is_object(\$_from)) { settype(\$_from, 'array'); }"; |
1180 | if (isset($name)) { |
1181 | $foreach_props = "\$this->_foreach[$name]"; |
1182 | $output .= "{$foreach_props} = array('total' => count(\$_from), 'iteration' => 0);\n"; |
1183 | $output .= "if ({$foreach_props}['total'] > 0):\n"; |
1184 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
1185 | $output .= " {$foreach_props}['iteration']++;\n"; |
1186 | } else { |
1187 | $output .= "if (count(\$_from)):\n"; |
1188 | $output .= " foreach (\$_from as $key_part\$this->_tpl_vars['$item']):\n"; |
1189 | } |
1190 | $output .= '?>'; |
1191 | |
1192 | return $output; |
1193 | } |
1194 | |
1195 | |
1196 | /** |
1197 | * Compile {capture} .. {/capture} tags |
1198 | * |
1199 | * @param boolean $start true if this is the {capture} tag |
1200 | * @param string $tag_args |
1201 | * @return string |
1202 | */ |
1203 | |
1204 | function _compile_capture_tag($start, $tag_args = '') |
1205 | { |
1206 | $attrs = $this->_parse_attrs($tag_args); |
1207 | |
1208 | if ($start) { |
1209 | if (isset($attrs['name'])) |
1210 | $buffer = $attrs['name']; |
1211 | else |
1212 | $buffer = "'default'"; |
1213 | |
1214 | if (isset($attrs['assign'])) |
1215 | $assign = $attrs['assign']; |
1216 | else |
1217 | $assign = null; |
1218 | $output = "<?php ob_start(); ?>"; |
1219 | $this->_capture_stack[] = array($buffer, $assign); |
1220 | } else { |
1221 | list($buffer, $assign) = array_pop($this->_capture_stack); |
1222 | $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); "; |
1223 | if (isset($assign)) { |
1224 | $output .= " \$this->assign($assign, ob_get_contents());"; |
1225 | } |
1226 | $output .= "ob_end_clean(); ?>"; |
1227 | } |
1228 | |
1229 | return $output; |
1230 | } |
1231 | |
1232 | /** |
1233 | * Compile {if ...} tag |
1234 | * |
1235 | * @param string $tag_args |
1236 | * @param boolean $elseif if true, uses elseif instead of if |
1237 | * @return string |
1238 | */ |
1239 | function _compile_if_tag($tag_args, $elseif = false) |
1240 | { |
1241 | |
1242 | /* Tokenize args for 'if' tag. */ |
1243 | preg_match_all('~(?> |
1244 | ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call |
1245 | ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)? | # var or quoted string |
1246 | \-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@ | # valid non-word token |
1247 | \b\w+\b | # valid word token |
1248 | \S+ # anything else |
1249 | )~x', $tag_args, $match); |
1250 | |
1251 | $tokens = $match[0]; |
1252 | |
1253 | if(empty($tokens)) { |
1254 | $_error_msg .= $elseif ? "'elseif'" : "'if'"; |
1255 | $_error_msg .= ' statement requires arguments'; |
1256 | $this->_syntax_error($_error_msg, E_USER_ERROR, __FILE__, __LINE__); |
1257 | } |
1258 | |
1259 | |
1260 | // make sure we have balanced parenthesis |
1261 | $token_count = array_count_values($tokens); |
1262 | if(isset($token_count['(']) && $token_count['('] != $token_count[')']) { |
1263 | $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__); |
1264 | } |
1265 | |
1266 | $is_arg_stack = array(); |
1267 | |
1268 | for ($i = 0; $i < count($tokens); $i++) { |
1269 | |
1270 | $token = &$tokens[$i]; |
1271 | |
1272 | switch (strtolower($token)) { |
1273 | case '!': |
1274 | case '%': |
1275 | case '!==': |
1276 | case '==': |
1277 | case '===': |
1278 | case '>': |
1279 | case '<': |
1280 | case '!=': |
1281 | case '<>': |
1282 | case '<<': |
1283 | case '>>': |
1284 | case '<=': |
1285 | case '>=': |
1286 | case '&&': |
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 | break; |
1300 | |
1301 | case 'eq': |
1302 | $token = '=='; |
1303 | break; |
1304 | |
1305 | case 'ne': |
1306 | case 'neq': |
1307 | $token = '!='; |
1308 | break; |
1309 | |
1310 | case 'lt': |
1311 | $token = '<'; |
1312 | break; |
1313 | |
1314 | case 'le': |
1315 | case 'lte': |
1316 | $token = '<='; |
1317 | break; |
1318 | |
1319 | case 'gt': |
1320 | $token = '>'; |
1321 | break; |
1322 | |
1323 | case 'ge': |
1324 | case 'gte': |
1325 | $token = '>='; |
1326 | break; |
1327 | |
1328 | case 'and': |
1329 | $token = '&&'; |
1330 | break; |
1331 | |
1332 | case 'or': |
1333 | $token = '||'; |
1334 | break; |
1335 | |
1336 | case 'not': |
1337 | $token = '!'; |
1338 | break; |
1339 | |
1340 | case 'mod': |
1341 | $token = '%'; |
1342 | break; |
1343 | |
1344 | case '(': |
1345 | array_push($is_arg_stack, $i); |
1346 | break; |
1347 | |
1348 | case 'is': |
1349 | /* If last token was a ')', we operate on the parenthesized |
1350 | expression. The start of the expression is on the stack. |
1351 | Otherwise, we operate on the last encountered token. */ |
1352 | if ($tokens[$i-1] == ')') |
1353 | $is_arg_start = array_pop($is_arg_stack); |
1354 | else |
1355 | $is_arg_start = $i-1; |
1356 | /* Construct the argument for 'is' expression, so it knows |
1357 | what to operate on. */ |
1358 | $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start)); |
1359 | |
1360 | /* Pass all tokens from next one until the end to the |
1361 | 'is' expression parsing function. The function will |
1362 | return modified tokens, where the first one is the result |
1363 | of the 'is' expression and the rest are the tokens it |
1364 | didn't touch. */ |
1365 | $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1)); |
1366 | |
1367 | /* Replace the old tokens with the new ones. */ |
1368 | array_splice($tokens, $is_arg_start, count($tokens), $new_tokens); |
1369 | |
1370 | /* Adjust argument start so that it won't change from the |
1371 | current position for the next iteration. */ |
1372 | $i = $is_arg_start; |
1373 | break; |
1374 | |
1375 | default: |
1376 | if(preg_match('~^' . $this->_func_regexp . '$~', $token) ) { |
1377 | // function call |
1378 | if($this->security && |
1379 | !in_array($token, $this->security_settings['IF_FUNCS'])) { |
1380 | $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
1381 | } |
1382 | } elseif(preg_match('~^' . $this->_var_regexp . '$~', $token) && isset($tokens[$i+1]) && $tokens[$i+1] == '(') { |
1383 | // variable function call |
1384 | $this->_syntax_error("variable function call '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__); |
1385 | } elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) { |
1386 | // object or variable |
1387 | $token = $this->_parse_var_props($token); |
1388 | } elseif(is_numeric($token)) { |
1389 | // number, skip it |
1390 | } else { |
1391 | $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__); |
1392 | } |
1393 | break; |
1394 | } |
1395 | } |
1396 | |
1397 | if ($elseif) |
1398 | return '<?php elseif ('.implode(' ', $tokens).'): ?>'; |
1399 | else |
1400 | return '<?php if ('.implode(' ', $tokens).'): ?>'; |
1401 | } |
1402 | |
1403 | |
1404 | function _compile_arg_list($type, $name, $attrs, &$cache_code) { |
1405 | $arg_list = array(); |
1406 | |
1407 | if (isset($type) && isset($name) |
1408 | && isset($this->_plugins[$type]) |
1409 | && isset($this->_plugins[$type][$name]) |
1410 | && empty($this->_plugins[$type][$name][4]) |
1411 | && is_array($this->_plugins[$type][$name][5]) |
1412 | ) { |
1413 | /* we have a list of parameters that should be cached */ |
1414 | $_cache_attrs = $this->_plugins[$type][$name][5]; |
1415 | $_count = $this->_cache_attrs_count++; |
1416 | $cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');"; |
1417 | |
1418 | } else { |
1419 | /* no parameters are cached */ |
1420 | $_cache_attrs = null; |
1421 | } |
1422 | |
1423 | foreach ($attrs as $arg_name => $arg_value) { |
1424 | if (is_bool($arg_value)) |
1425 | $arg_value = $arg_value ? 'true' : 'false'; |
1426 | if (is_null($arg_value)) |
1427 | $arg_value = 'null'; |
1428 | if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) { |
1429 | $arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)"; |
1430 | } else { |
1431 | $arg_list[] = "'$arg_name' => $arg_value"; |
1432 | } |
1433 | } |
1434 | return $arg_list; |
1435 | } |
1436 | |
1437 | /** |
1438 | * Parse is expression |
1439 | * |
1440 | * @param string $is_arg |
1441 | * @param array $tokens |
1442 | * @return array |
1443 | */ |
1444 | function _parse_is_expr($is_arg, $tokens) |
1445 | { |
1446 | $expr_end = 0; |
1447 | $negate_expr = false; |
1448 | |
1449 | if (($first_token = array_shift($tokens)) == 'not') { |
1450 | $negate_expr = true; |
1451 | $expr_type = array_shift($tokens); |
1452 | } else |
1453 | $expr_type = $first_token; |
1454 | |
1455 | switch ($expr_type) { |
1456 | case 'even': |
1457 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
1458 | $expr_end++; |
1459 | $expr_arg = $tokens[$expr_end++]; |
1460 | $expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
1461 | } else |
1462 | $expr = "!(1 & $is_arg)"; |
1463 | break; |
1464 | |
1465 | case 'odd': |
1466 | if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') { |
1467 | $expr_end++; |
1468 | $expr_arg = $tokens[$expr_end++]; |
1469 | $expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))"; |
1470 | } else |
1471 | $expr = "(1 & $is_arg)"; |
1472 | break; |
1473 | |
1474 | case 'div': |
1475 | if (@$tokens[$expr_end] == 'by') { |
1476 | $expr_end++; |
1477 | $expr_arg = $tokens[$expr_end++]; |
1478 | $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")"; |
1479 | } else { |
1480 | $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__); |
1481 | } |
1482 | break; |
1483 | |
1484 | default: |
1485 | $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__); |
1486 | break; |
1487 | } |
1488 | |
1489 | if ($negate_expr) { |
1490 | $expr = "!($expr)"; |
1491 | } |
1492 | |
1493 | array_splice($tokens, 0, $expr_end, $expr); |
1494 | |
1495 | return $tokens; |
1496 | } |
1497 | |
1498 | |
1499 | /** |
1500 | * Parse attribute string |
1501 | * |
1502 | * @param string $tag_args |
1503 | * @return array |
1504 | */ |
1505 | function _parse_attrs($tag_args) |
1506 | { |
1507 | |
1508 | /* Tokenize tag attributes. */ |
1509 | preg_match_all('~(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+) |
1510 | )+ | |
1511 | [=] |
1512 | ~x', $tag_args, $match); |
1513 | $tokens = $match[0]; |
1514 | |
1515 | $attrs = array(); |
1516 | /* Parse state: |
1517 | 0 - expecting attribute name |
1518 | 1 - expecting '=' |
1519 | 2 - expecting attribute value (not '=') */ |
1520 | $state = 0; |
1521 | |
1522 | foreach ($tokens as $token) { |
1523 | switch ($state) { |
1524 | case 0: |
1525 | /* If the token is a valid identifier, we set attribute name |
1526 | and go to state 1. */ |
1527 | if (preg_match('~^\w+$~', $token)) { |
1528 | $attr_name = $token; |
1529 | $state = 1; |
1530 | } else |
1531 | $this->_syntax_error("invalid attribute name: '$token'", E_USER_ERROR, __FILE__, __LINE__); |
1532 | break; |
1533 | |
1534 | case 1: |
1535 | /* If the token is '=', then we go to state 2. */ |
1536 | if ($token == '=') { |
1537 | $state = 2; |
1538 | } else |
1539 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); |
1540 | break; |
1541 | |
1542 | case 2: |
1543 | /* If token is not '=', we set the attribute value and go to |
1544 | state 0. */ |
1545 | if ($token != '=') { |
1546 | /* We booleanize the token if it's a non-quoted possible |
1547 | boolean value. */ |
1548 | if (preg_match('~^(on|yes|true)$~', $token)) { |
1549 | $token = 'true'; |
1550 | } else if (preg_match('~^(off|no|false)$~', $token)) { |
1551 | $token = 'false'; |
1552 | } else if ($token == 'null') { |
1553 | $token = 'null'; |
1554 | } else if (preg_match('~^' . $this->_num_const_regexp . '|0[xX][0-9a-fA-F]+$~', $token)) { |
1555 | /* treat integer literally */ |
1556 | } else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) { |
1557 | /* treat as a string, double-quote it escaping quotes */ |
1558 | $token = '"'.addslashes($token).'"'; |
1559 | } |
1560 | |
1561 | $attrs[$attr_name] = $token; |
1562 | $state = 0; |
1563 | } else |
1564 | $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__); |
1565 | break; |
1566 | } |
1567 | $last_token = $token; |
1568 | } |
1569 | |
1570 | if($state != 0) { |
1571 | if($state == 1) { |
1572 | $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__); |
1573 | } else { |
1574 | $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__); |
1575 | } |
1576 | } |
1577 | |
1578 | $this->_parse_vars_props($attrs); |
1579 | |
1580 | return $attrs; |
1581 | } |
1582 | |
1583 | /** |
1584 | * compile multiple variables and section properties tokens into |
1585 | * PHP code |
1586 | * |
1587 | * @param array $tokens |
1588 | */ |
1589 | function _parse_vars_props(&$tokens) |
1590 | { |
1591 | foreach($tokens as $key => $val) { |
1592 | $tokens[$key] = $this->_parse_var_props($val); |
1593 | } |
1594 | } |
1595 | |
1596 | /** |
1597 | * compile single variable and section properties token into |
1598 | * PHP code |
1599 | * |
1600 | * @param string $val |
1601 | * @param string $tag_attrs |
1602 | * @return string |
1603 | */ |
1604 | function _parse_var_props($val) |
1605 | { |
1606 | $val = trim($val); |
1607 | |
1608 | if(preg_match('~^(' . $this->_obj_call_regexp . '|' . $this->_dvar_regexp . ')(' . $this->_mod_regexp . '*)$~', $val, $match)) { |
1609 | // $ variable or object |
1610 | $return = $this->_parse_var($match[1]); |
1611 | $modifiers = $match[2]; |
1612 | if (!empty($this->default_modifiers) && !preg_match('~(^|\|)smarty:nodefaults($|\|)~',$modifiers)) { |
1613 | $_default_mod_string = implode('|',(array)$this->default_modifiers); |
1614 | $modifiers = empty($modifiers) ? $_default_mod_string : $_default_mod_string . '|' . $modifiers; |
1615 | } |
1616 | $this->_parse_modifiers($return, $modifiers); |
1617 | return $return; |
1618 | } elseif (preg_match('~^' . $this->_db_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
1619 | // double quoted text |
1620 | preg_match('~^(' . $this->_db_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
1621 | $return = $this->_expand_quoted_text($match[1]); |
1622 | if($match[2] != '') { |
1623 | $this->_parse_modifiers($return, $match[2]); |
1624 | } |
1625 | return $return; |
1626 | } |
1627 | elseif(preg_match('~^' . $this->_num_const_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
1628 | // numerical constant |
1629 | preg_match('~^(' . $this->_num_const_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
1630 | if($match[2] != '') { |
1631 | $this->_parse_modifiers($match[1], $match[2]); |
1632 | return $match[1]; |
1633 | } |
1634 | } |
1635 | elseif(preg_match('~^' . $this->_si_qstr_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
1636 | // single quoted text |
1637 | preg_match('~^(' . $this->_si_qstr_regexp . ')('. $this->_mod_regexp . '*)$~', $val, $match); |
1638 | if($match[2] != '') { |
1639 | $this->_parse_modifiers($match[1], $match[2]); |
1640 | return $match[1]; |
1641 | } |
1642 | } |
1643 | elseif(preg_match('~^' . $this->_cvar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
1644 | // config var |
1645 | return $this->_parse_conf_var($val); |
1646 | } |
1647 | elseif(preg_match('~^' . $this->_svar_regexp . '(?:' . $this->_mod_regexp . '*)$~', $val)) { |
1648 | // section var |
1649 | return $this->_parse_section_prop($val); |
1650 | } |
1651 | elseif(!in_array($val, $this->_permitted_tokens) && !is_numeric($val)) { |
1652 | // literal string |
1653 | return $this->_expand_quoted_text('"' . strtr($val, array('\\' => '\\\\', '"' => '\\"')) .'"'); |
1654 | } |
1655 | return $val; |
1656 | } |
1657 | |
1658 | /** |
1659 | * expand quoted text with embedded variables |
1660 | * |
1661 | * @param string $var_expr |
1662 | * @return string |
1663 | */ |
1664 | function _expand_quoted_text($var_expr) |
1665 | { |
1666 | // if contains unescaped $, expand it |
1667 | if(preg_match_all('~(?:\`(?<!\\\\)\$' . $this->_dvar_guts_regexp . '(?:' . $this->_obj_ext_regexp . ')*\`)|(?:(?<!\\\\)\$\w+(\[[a-zA-Z0-9]+\])*)~', $var_expr, $_match)) { |
1668 | $_match = $_match[0]; |
1669 | rsort($_match); |
1670 | reset($_match); |
1671 | foreach($_match as $_var) { |
1672 | $var_expr = str_replace ($_var, '".(' . $this->_parse_var(str_replace('`','',$_var)) . ')."', $var_expr); |
1673 | } |
1674 | $_return = preg_replace('~\.""|(?<!\\\\)""\.~', '', $var_expr); |
1675 | } else { |
1676 | $_return = $var_expr; |
1677 | } |
1678 | // replace double quoted literal string with single quotes |
1679 | $_return = preg_replace('~^"([\s\w]+)"$~',"'\\1'",$_return); |
1680 | return $_return; |
1681 | } |
1682 | |
1683 | /** |
1684 | * parse variable expression into PHP code |
1685 | * |
1686 | * @param string $var_expr |
1687 | * @param string $output |
1688 | * @return string |
1689 | */ |
1690 | function _parse_var($var_expr) |
1691 | { |
1692 | $_has_math = false; |
1693 | $_math_vars = preg_split('~('.$this->_dvar_math_regexp.'|'.$this->_qstr_regexp.')~', $var_expr, -1, PREG_SPLIT_DELIM_CAPTURE); |
1694 | |
1695 | if(count($_math_vars) > 1) { |
1696 | $_first_var = ""; |
1697 | $_complete_var = ""; |
1698 | $_output = ""; |
1699 | // simple check if there is any math, to stop recursion (due to modifiers with "xx % yy" as parameter) |
1700 | foreach($_math_vars as $_k => $_math_var) { |
1701 | $_math_var = $_math_vars[$_k]; |
1702 | |
1703 | if(!empty($_math_var) || is_numeric($_math_var)) { |
1704 | // hit a math operator, so process the stuff which came before it |
1705 | if(preg_match('~^' . $this->_dvar_math_regexp . '$~', $_math_var)) { |
1706 | $_has_math = true; |
1707 | if(!empty($_complete_var) || is_numeric($_complete_var)) { |
1708 | $_output .= $this->_parse_var($_complete_var); |
1709 | } |
1710 | |
1711 | // just output the math operator to php |
1712 | $_output .= $_math_var; |
1713 | |
1714 | if(empty($_first_var)) |
1715 | $_first_var = $_complete_var; |
1716 | |
1717 | $_complete_var = ""; |
1718 | } else { |
1719 | $_complete_var .= $_math_var; |
1720 | } |
1721 | } |
1722 | } |
1723 | if($_has_math) { |
1724 | if(!empty($_complete_var) || is_numeric($_complete_var)) |
1725 | $_output .= $this->_parse_var($_complete_var); |
1726 | |
1727 | // get the modifiers working (only the last var from math + modifier is left) |
1728 | $var_expr = $_complete_var; |
1729 | } |
1730 | } |
1731 | |
1732 | // prevent cutting of first digit in the number (we _definitly_ got a number if the first char is a digit) |
1733 | if(is_numeric($var_expr{0})) |
1734 | $_var_ref = $var_expr; |
1735 | else |
1736 | $_var_ref = substr($var_expr, 1); |
1737 | |
1738 | if(!$_has_math) { |
1739 | |
1740 | // get [foo] and .foo and ->foo and (...) pieces |
1741 | preg_match_all('~(?:^\w+)|' . $this->_obj_params_regexp . '|(?:' . $this->_var_bracket_regexp . ')|->\$?\w+|\.\$?\w+|\S+~', $_var_ref, $match); |
1742 | |
1743 | $_indexes = $match[0]; |
1744 | $_var_name = array_shift($_indexes); |
1745 | |
1746 | /* Handle $smarty.* variable references as a special case. */ |
1747 | if ($_var_name == 'smarty') { |
1748 | /* |
1749 | * If the reference could be compiled, use the compiled output; |
1750 | * otherwise, fall back on the $smarty variable generated at |
1751 | * run-time. |
1752 | */ |
1753 | if (($smarty_ref = $this->_compile_smarty_ref($_indexes)) !== null) { |
1754 | $_output = $smarty_ref; |
1755 | } else { |
1756 | $_var_name = substr(array_shift($_indexes), 1); |
1757 | $_output = "\$this->_smarty_vars['$_var_name']"; |
1758 | } |
1759 | } elseif(is_numeric($_var_name) && is_numeric($var_expr{0})) { |
1760 | // because . is the operator for accessing arrays thru inidizes we need to put it together again for floating point numbers |
1761 | if(count($_indexes) > 0) |
1762 | { |
1763 | $_var_name .= implode("", $_indexes); |
1764 | $_indexes = array(); |
1765 | } |
1766 | $_output = $_var_name; |
1767 | } else { |
1768 | $_output = "\$this->_tpl_vars['$_var_name']"; |
1769 | } |
1770 | |
1771 | foreach ($_indexes as $_index) { |
1772 | if ($_index{0} == '[') { |
1773 | $_index = substr($_index, 1, -1); |
1774 | if (is_numeric($_index)) { |
1775 | $_output .= "[$_index]"; |
1776 | } elseif ($_index{0} == '$') { |
1777 | if (strpos($_index, '.') !== false) { |
1778 | $_output .= '[' . $this->_parse_var($_index) . ']'; |
1779 | } else { |
1780 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 1) . "']]"; |
1781 | } |
1782 | } else { |
1783 | $_var_parts = explode('.', $_index); |
1784 | $_var_section = $_var_parts[0]; |
1785 | $_var_section_prop = isset($_var_parts[1]) ? $_var_parts[1] : 'index'; |
1786 | $_output .= "[\$this->_sections['$_var_section']['$_var_section_prop']]"; |
1787 | } |
1788 | } else if ($_index{0} == '.') { |
1789 | if ($_index{1} == '$') |
1790 | $_output .= "[\$this->_tpl_vars['" . substr($_index, 2) . "']]"; |
1791 | else |
1792 | $_output .= "['" . substr($_index, 1) . "']"; |
1793 | } else if (substr($_index,0,2) == '->') { |
1794 | if(substr($_index,2,2) == '__') { |
1795 | $this->_syntax_error('call to internal object members is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
1796 | } elseif($this->security && substr($_index, 2, 1) == '_') { |
1797 | $this->_syntax_error('(secure) call to private object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
1798 | } elseif ($_index{2} == '$') { |
1799 | if ($this->security) { |
1800 | $this->_syntax_error('(secure) call to dynamic object member is not allowed', E_USER_ERROR, __FILE__, __LINE__); |
1801 | } else { |
1802 | $_output .= '->{(($_var=$this->_tpl_vars[\''.substr($_index,3).'\']) && substr($_var,0,2)!=\'__\') ? $_var : $this->trigger_error("cannot access property \\"$_var\\"")}'; |
1803 | } |
1804 | } else { |
1805 | $_output .= $_index; |
1806 | } |
1807 | } elseif ($_index{0} == '(') { |
1808 | $_index = $this->_parse_parenth_args($_index); |
1809 | $_output .= $_index; |
1810 | } else { |
1811 | $_output .= $_index; |
1812 | } |
1813 | } |
1814 | } |
1815 | |
1816 | return $_output; |
1817 | } |
1818 | |
1819 | /** |
1820 | * parse arguments in function call parenthesis |
1821 | * |
1822 | * @param string $parenth_args |
1823 | * @return string |
1824 | */ |
1825 | function _parse_parenth_args($parenth_args) |
1826 | { |
1827 | preg_match_all('~' . $this->_param_regexp . '~',$parenth_args, $match); |
1828 | $orig_vals = $match = $match[0]; |
1829 | $this->_parse_vars_props($match); |
1830 | $replace = array(); |
1831 | for ($i = 0, $count = count($match); $i < $count; $i++) { |
1832 | $replace[$orig_vals[$i]] = $match[$i]; |
1833 | } |
1834 | return strtr($parenth_args, $replace); |
1835 | } |
1836 | |
1837 | /** |
1838 | * parse configuration variable expression into PHP code |
1839 | * |
1840 | * @param string $conf_var_expr |
1841 | */ |
1842 | function _parse_conf_var($conf_var_expr) |
1843 | { |
1844 | $parts = explode('|', $conf_var_expr, 2); |
1845 | $var_ref = $parts[0]; |
1846 | $modifiers = isset($parts[1]) ? $parts[1] : ''; |
1847 | |
1848 | $var_name = substr($var_ref, 1, -1); |
1849 | |
1850 | $output = "\$this->_config[0]['vars']['$var_name']"; |
1851 | |
1852 | $this->_parse_modifiers($output, $modifiers); |
1853 | |
1854 | return $output; |
1855 | } |
1856 | |
1857 | /** |
1858 | * parse section property expression into PHP code |
1859 | * |
1860 | * @param string $section_prop_expr |
1861 | * @return string |
1862 | */ |
1863 | function _parse_section_prop($section_prop_expr) |
1864 | { |
1865 | $parts = explode('|', $section_prop_expr, 2); |
1866 | $var_ref = $parts[0]; |
1867 | $modifiers = isset($parts[1]) ? $parts[1] : ''; |
1868 | |
1869 | preg_match('!%(\w+)\.(\w+)%!', $var_ref, $match); |
1870 | $section_name = $match[1]; |
1871 | $prop_name = $match[2]; |
1872 | |
1873 | $output = "\$this->_sections['$section_name']['$prop_name']"; |
1874 | |
1875 | $this->_parse_modifiers($output, $modifiers); |
1876 | |
1877 | return $output; |
1878 | } |
1879 | |
1880 | |
1881 | /** |
1882 | * parse modifier chain into PHP code |
1883 | * |
1884 | * sets $output to parsed modified chain |
1885 | * @param string $output |
1886 | * @param string $modifier_string |
1887 | */ |
1888 | function _parse_modifiers(&$output, $modifier_string) |
1889 | { |
1890 | preg_match_all('~\|(@?\w+)((?>:(?:'. $this->_qstr_regexp . '|[^|]+))*)~', '|' . $modifier_string, $_match); |
1891 | list(, $_modifiers, $modifier_arg_strings) = $_match; |
1892 | |
1893 | for ($_i = 0, $_for_max = count($_modifiers); $_i < $_for_max; $_i++) { |
1894 | $_modifier_name = $_modifiers[$_i]; |
1895 | |
1896 | if($_modifier_name == 'smarty') { |
1897 | // skip smarty modifier |
1898 | continue; |
1899 | } |
1900 | |
1901 | preg_match_all('~:(' . $this->_qstr_regexp . '|[^:]+)~', $modifier_arg_strings[$_i], $_match); |
1902 | $_modifier_args = $_match[1]; |
1903 | |
1904 | if ($_modifier_name{0} == '@') { |
1905 | $_map_array = false; |
1906 | $_modifier_name = substr($_modifier_name, 1); |
1907 | } else { |
1908 | $_map_array = true; |
1909 | } |
1910 | |
1911 | if (empty($this->_plugins['modifier'][$_modifier_name]) |
1912 | && !$this->_get_plugin_filepath('modifier', $_modifier_name) |
1913 | && function_exists($_modifier_name)) { |
1914 | if ($this->security && !in_array($_modifier_name, $this->security_settings['MODIFIER_FUNCS'])) { |
1915 | $this->_trigger_fatal_error("[plugin] (secure mode) modifier '$_modifier_name' is not allowed" , $this->_current_file, $this->_current_line_no, __FILE__, __LINE__); |
1916 | } else { |
1917 | $this->_plugins['modifier'][$_modifier_name] = array($_modifier_name, null, null, false); |
1918 | } |
1919 | } |
1920 | $this->_add_plugin('modifier', $_modifier_name); |
1921 | |
1922 | $this->_parse_vars_props($_modifier_args); |
1923 | |
1924 | if($_modifier_name == 'default') { |
1925 | // supress notifications of default modifier vars and args |
1926 | if($output{0} == '$') { |
1927 | $output = '@' . $output; |
1928 | } |
1929 | if(isset($_modifier_args[0]) && $_modifier_args[0]{0} == '$') { |
1930 | $_modifier_args[0] = '@' . $_modifier_args[0]; |
1931 | } |
1932 | } |
1933 | if (count($_modifier_args) > 0) |
1934 | $_modifier_args = ', '.implode(', ', $_modifier_args); |
1935 | else |
1936 | $_modifier_args = ''; |
1937 | |
1938 | if ($_map_array) { |
1939 | $output = "((is_array(\$_tmp=$output)) ? \$this->_run_mod_handler('$_modifier_name', true, \$_tmp$_modifier_args) : " . $this->_compile_plugin_call('modifier', $_modifier_name) . "(\$_tmp$_modifier_args))"; |
1940 | |
1941 | } else { |
1942 | |
1943 | $output = $this->_compile_plugin_call('modifier', $_modifier_name)."($output$_modifier_args)"; |
1944 | |
1945 | } |
1946 | } |
1947 | } |
1948 | |
1949 | |
1950 | /** |
1951 | * add plugin |
1952 | * |
1953 | * @param string $type |
1954 | * @param string $name |
1955 | * @param boolean? $delayed_loading |
1956 | */ |
1957 | function _add_plugin($type, $name, $delayed_loading = null) |
1958 | { |
1959 | if (!isset($this->_plugin_info[$type])) { |
1960 | $this->_plugin_info[$type] = array(); |
1961 | } |
1962 | if (!isset($this->_plugin_info[$type][$name])) { |
1963 | $this->_plugin_info[$type][$name] = array($this->_current_file, |
1964 | $this->_current_line_no, |
1965 | $delayed_loading); |
1966 | } |
1967 | } |
1968 | |
1969 | |
1970 | /** |
1971 | * Compiles references of type $smarty.foo |
1972 | * |
1973 | * @param string $indexes |
1974 | * @return string |
1975 | */ |
1976 | function _compile_smarty_ref(&$indexes) |
1977 | { |
1978 | /* Extract the reference name. */ |
1979 | $_ref = substr($indexes[0], 1); |
1980 | foreach($indexes as $_index_no=>$_index) { |
1981 | if ($_index{0} != '.' && $_index_no<2 || !preg_match('~^(\.|\[|->)~', $_index)) { |
1982 | $this->_syntax_error('$smarty' . implode('', array_slice($indexes, 0, 2)) . ' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
1983 | } |
1984 | } |
1985 | |
1986 | switch ($_ref) { |
1987 | case 'now': |
1988 | $compiled_ref = 'time()'; |
1989 | $_max_index = 1; |
1990 | break; |
1991 | |
1992 | case 'foreach': |
1993 | array_shift($indexes); |
1994 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); |
1995 | $_propname = substr($indexes[1], 1); |
1996 | $_max_index = 1; |
1997 | switch ($_propname) { |
1998 | case 'index': |
1999 | array_shift($indexes); |
2000 | $compiled_ref = "(\$this->_foreach[$_var]['iteration']-1)"; |
2001 | break; |
2002 | |
2003 | case 'first': |
2004 | array_shift($indexes); |
2005 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] <= 1)"; |
2006 | break; |
2007 | |
2008 | case 'last': |
2009 | array_shift($indexes); |
2010 | $compiled_ref = "(\$this->_foreach[$_var]['iteration'] == \$this->_foreach[$_var]['total'])"; |
2011 | break; |
2012 | |
2013 | case 'show': |
2014 | array_shift($indexes); |
2015 | $compiled_ref = "(\$this->_foreach[$_var]['total'] > 0)"; |
2016 | break; |
2017 | |
2018 | default: |
2019 | unset($_max_index); |
2020 | $compiled_ref = "\$this->_foreach[$_var]"; |
2021 | } |
2022 | break; |
2023 | |
2024 | case 'section': |
2025 | array_shift($indexes); |
2026 | $_var = $this->_parse_var_props(substr($indexes[0], 1)); |
2027 | $compiled_ref = "\$this->_sections[$_var]"; |
2028 | break; |
2029 | |
2030 | case 'get': |
2031 | $compiled_ref = ($this->request_use_auto_globals) ? '$_GET' : "\$GLOBALS['HTTP_GET_VARS']"; |
2032 | break; |
2033 | |
2034 | case 'post': |
2035 | $compiled_ref = ($this->request_use_auto_globals) ? '$_POST' : "\$GLOBALS['HTTP_POST_VARS']"; |
2036 | break; |
2037 | |
2038 | case 'cookies': |
2039 | $compiled_ref = ($this->request_use_auto_globals) ? '$_COOKIE' : "\$GLOBALS['HTTP_COOKIE_VARS']"; |
2040 | break; |
2041 | |
2042 | case 'env': |
2043 | $compiled_ref = ($this->request_use_auto_globals) ? '$_ENV' : "\$GLOBALS['HTTP_ENV_VARS']"; |
2044 | break; |
2045 | |
2046 | case 'server': |
2047 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SERVER' : "\$GLOBALS['HTTP_SERVER_VARS']"; |
2048 | break; |
2049 | |
2050 | case 'session': |
2051 | $compiled_ref = ($this->request_use_auto_globals) ? '$_SESSION' : "\$GLOBALS['HTTP_SESSION_VARS']"; |
2052 | break; |
2053 | |
2054 | /* |
2055 | * These cases are handled either at run-time or elsewhere in the |
2056 | * compiler. |
2057 | */ |
2058 | case 'request': |
2059 | if ($this->request_use_auto_globals) { |
2060 | $compiled_ref = '$_REQUEST'; |
2061 | break; |
2062 | } else { |
2063 | $this->_init_smarty_vars = true; |
2064 | } |
2065 | return null; |
2066 | |
2067 | case 'capture': |
2068 | return null; |
2069 | |
2070 | case 'template': |
2071 | $compiled_ref = "'$this->_current_file'"; |
2072 | $_max_index = 1; |
2073 | break; |
2074 | |
2075 | case 'version': |
2076 | $compiled_ref = "'$this->_version'"; |
2077 | $_max_index = 1; |
2078 | break; |
2079 | |
2080 | case 'const': |
2081 | if ($this->security && !$this->security_settings['ALLOW_CONSTANTS']) { |
2082 | $this->_syntax_error("(secure mode) constants not permitted", |
2083 | E_USER_WARNING, __FILE__, __LINE__); |
2084 | return; |
2085 | } |
2086 | array_shift($indexes); |
2087 | if (preg_match('!^\.\w+$!', $indexes[0])) { |
2088 | $compiled_ref = '@' . substr($indexes[0], 1); |
2089 | } else { |
2090 | $_val = $this->_parse_var_props(substr($indexes[0], 1)); |
2091 | $compiled_ref = '@constant(' . $_val . ')'; |
2092 | } |
2093 | $_max_index = 1; |
2094 | break; |
2095 | |
2096 | case 'config': |
2097 | $compiled_ref = "\$this->_config[0]['vars']"; |
2098 | $_max_index = 3; |
2099 | break; |
2100 | |
2101 | case 'ldelim': |
2102 | $compiled_ref = "'$this->left_delimiter'"; |
2103 | break; |
2104 | |
2105 | case 'rdelim': |
2106 | $compiled_ref = "'$this->right_delimiter'"; |
2107 | break; |
2108 | |
2109 | default: |
2110 | $this->_syntax_error('$smarty.' . $_ref . ' is an unknown reference', E_USER_ERROR, __FILE__, __LINE__); |
2111 | break; |
2112 | } |
2113 | |
2114 | if (isset($_max_index) && count($indexes) > $_max_index) { |
2115 | $this->_syntax_error('$smarty' . implode('', $indexes) .' is an invalid reference', E_USER_ERROR, __FILE__, __LINE__); |
2116 | } |
2117 | |
2118 | array_shift($indexes); |
2119 | return $compiled_ref; |
2120 | } |
2121 | |
2122 | /** |
2123 | * compiles call to plugin of type $type with name $name |
2124 | * returns a string containing the function-name or method call |
2125 | * without the paramter-list that would have follow to make the |
2126 | * call valid php-syntax |
2127 | * |
2128 | * @param string $type |
2129 | * @param string $name |
2130 | * @return string |
2131 | */ |
2132 | function _compile_plugin_call($type, $name) { |
2133 | if (isset($this->_plugins[$type][$name])) { |
2134 | /* plugin loaded */ |
2135 | if (is_array($this->_plugins[$type][$name][0])) { |
2136 | return ((is_object($this->_plugins[$type][$name][0][0])) ? |
2137 | "\$this->_plugins['$type']['$name'][0][0]->" /* method callback */ |
2138 | : (string)($this->_plugins[$type][$name][0][0]).'::' /* class callback */ |
2139 | ). $this->_plugins[$type][$name][0][1]; |
2140 | |
2141 | } else { |
2142 | /* function callback */ |
2143 | return $this->_plugins[$type][$name][0]; |
2144 | |
2145 | } |
2146 | } else { |
2147 | /* plugin not loaded -> auto-loadable-plugin */ |
2148 | return 'smarty_'.$type.'_'.$name; |
2149 | |
2150 | } |
2151 | } |
2152 | |
2153 | /** |
2154 | * load pre- and post-filters |
2155 | */ |
2156 | function _load_filters() |
2157 | { |
2158 | if (count($this->_plugins['prefilter']) > 0) { |
2159 | foreach ($this->_plugins['prefilter'] as $filter_name => $prefilter) { |
2160 | if ($prefilter === false) { |
2161 | unset($this->_plugins['prefilter'][$filter_name]); |
2162 | $_params = array('plugins' => array(array('prefilter', $filter_name, null, null, false))); |
2163 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
2164 | smarty_core_load_plugins($_params, $this); |
2165 | } |
2166 | } |
2167 | } |
2168 | if (count($this->_plugins['postfilter']) > 0) { |
2169 | foreach ($this->_plugins['postfilter'] as $filter_name => $postfilter) { |
2170 | if ($postfilter === false) { |
2171 | unset($this->_plugins['postfilter'][$filter_name]); |
2172 | $_params = array('plugins' => array(array('postfilter', $filter_name, null, null, false))); |
2173 | require_once(SMARTY_CORE_DIR . 'core.load_plugins.php'); |
2174 | smarty_core_load_plugins($_params, $this); |
2175 | } |
2176 | } |
2177 | } |
2178 | } |
2179 | |
2180 | |
2181 | /** |
2182 | * Quote subpattern references |
2183 | * |
2184 | * @param string $string |
2185 | * @return string |
2186 | */ |
2187 | function _quote_replace($string) |
2188 | { |
2189 | return strtr($string, array('\\' => '\\\\', '$' => '\\$')); |
2190 | } |
2191 | |
2192 | /** |
2193 | * display Smarty syntax error |
2194 | * |
2195 | * @param string $error_msg |
2196 | * @param integer $error_type |
2197 | * @param string $file |
2198 | * @param integer $line |
2199 | */ |
2200 | function _syntax_error($error_msg, $error_type = E_USER_ERROR, $file=null, $line=null) |
2201 | { |
2202 | $this->_trigger_fatal_error("syntax error: $error_msg", $this->_current_file, $this->_current_line_no, $file, $line, $error_type); |
2203 | } |
2204 | |
2205 | |
2206 | /** |
2207 | * check if the compilation changes from cacheable to |
2208 | * non-cacheable state with the beginning of the current |
2209 | * plugin. return php-code to reflect the transition. |
2210 | * @return string |
2211 | */ |
2212 | function _push_cacheable_state($type, $name) { |
2213 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
2214 | if ($_cacheable |
2215 | || 0<$this->_cacheable_state++) return ''; |
2216 | if (!isset($this->_cache_serial)) $this->_cache_serial = md5(uniqid('Smarty')); |
2217 | $_ret = 'if ($this->caching && !$this->_cache_including) { echo \'{nocache:' |
2218 | . $this->_cache_serial . '#' . $this->_nocache_count |
2219 | . '}\';}'; |
2220 | return $_ret; |
2221 | } |
2222 | |
2223 | |
2224 | /** |
2225 | * check if the compilation changes from non-cacheable to |
2226 | * cacheable state with the end of the current plugin return |
2227 | * php-code to reflect the transition. |
2228 | * @return string |
2229 | */ |
2230 | function _pop_cacheable_state($type, $name) { |
2231 | $_cacheable = !isset($this->_plugins[$type][$name]) || $this->_plugins[$type][$name][4]; |
2232 | if ($_cacheable |
2233 | || --$this->_cacheable_state>0) return ''; |
2234 | return 'if ($this->caching && !$this->_cache_including) { echo \'{/nocache:' |
2235 | . $this->_cache_serial . '#' . ($this->_nocache_count++) |
2236 | . '}\';}'; |
2237 | } |
2238 | |
2239 | |
2240 | /** |
2241 | * push opening tag-name, file-name and line-number on the tag-stack |
2242 | * @param string the opening tag's name |
2243 | */ |
2244 | function _push_tag($open_tag) |
2245 | { |
2246 | array_push($this->_tag_stack, array($open_tag, $this->_current_line_no)); |
2247 | } |
2248 | |
2249 | /** |
2250 | * pop closing tag-name |
2251 | * raise an error if this stack-top doesn't match with the closing tag |
2252 | * @param string the closing tag's name |
2253 | * @return string the opening tag's name |
2254 | */ |
2255 | function _pop_tag($close_tag) |
2256 | { |
2257 | $message = ''; |
2258 | if (count($this->_tag_stack)>0) { |
2259 | list($_open_tag, $_line_no) = array_pop($this->_tag_stack); |
2260 | if ($close_tag == $_open_tag) { |
2261 | return $_open_tag; |
2262 | } |
2263 | if ($close_tag == 'if' && ($_open_tag == 'else' || $_open_tag == 'elseif' )) { |
2264 | return $this->_pop_tag($close_tag); |
2265 | } |
2266 | if ($close_tag == 'section' && $_open_tag == 'sectionelse') { |
2267 | $this->_pop_tag($close_tag); |
2268 | return $_open_tag; |
2269 | } |
2270 | if ($close_tag == 'foreach' && $_open_tag == 'foreachelse') { |
2271 | $this->_pop_tag($close_tag); |
2272 | return $_open_tag; |
2273 | } |
2274 | if ($_open_tag == 'else' || $_open_tag == 'elseif') { |
2275 | $_open_tag = 'if'; |
2276 | } elseif ($_open_tag == 'sectionelse') { |
2277 | $_open_tag = 'section'; |
2278 | } elseif ($_open_tag == 'foreachelse') { |
2279 | $_open_tag = 'foreach'; |
2280 | } |
2281 | $message = " expected {/$_open_tag} (opened line $_line_no)."; |
2282 | } |
2283 | $this->_syntax_error("mismatched tag {/$close_tag}.$message", |
2284 | E_USER_ERROR, __FILE__, __LINE__); |
2285 | } |
2286 | |
2287 | } |
2288 | |
2289 | /** |
2290 | * compare to values by their string length |
2291 | * |
2292 | * @access private |
2293 | * @param string $a |
2294 | * @param string $b |
2295 | * @return 0|-1|1 |
2296 | */ |
2297 | function _smarty_sort_length($a, $b) |
2298 | { |
2299 | if($a == $b) |
2300 | return 0; |
2301 | |
2302 | if(strlen($a) == strlen($b)) |
2303 | return ($a > $b) ? -1 : 1; |
2304 | |
2305 | return (strlen($a) > strlen($b)) ? -1 : 1; |
2306 | } |
2307 | |
2308 | |
2309 | /* vim: set et: */ |
2310 | |
2311 | ?> |