1 | <?php |
---|
2 | |
---|
3 | include dirname(__FILE__) . '/Compilation/Exception.php'; |
---|
4 | |
---|
5 | /** |
---|
6 | * default dwoo compiler class, compiles dwoo templates into php |
---|
7 | * |
---|
8 | * This software is provided 'as-is', without any express or implied warranty. |
---|
9 | * In no event will the authors be held liable for any damages arising from the use of this software. |
---|
10 | * |
---|
11 | * @author Jordi Boggiano <j.boggiano@seld.be> |
---|
12 | * @copyright Copyright (c) 2008, Jordi Boggiano |
---|
13 | * @license http://dwoo.org/LICENSE Modified BSD License |
---|
14 | * @link http://dwoo.org/ |
---|
15 | * @version 1.1.0 |
---|
16 | * @date 2009-07-18 |
---|
17 | * @package Dwoo |
---|
18 | */ |
---|
19 | class Dwoo_Compiler implements Dwoo_ICompiler |
---|
20 | { |
---|
21 | /** |
---|
22 | * constant that represents a php opening tag |
---|
23 | * |
---|
24 | * use it in case it needs to be adjusted |
---|
25 | * |
---|
26 | * @var string |
---|
27 | */ |
---|
28 | const PHP_OPEN = "<?php "; |
---|
29 | |
---|
30 | /** |
---|
31 | * constant that represents a php closing tag |
---|
32 | * |
---|
33 | * use it in case it needs to be adjusted |
---|
34 | * |
---|
35 | * @var string |
---|
36 | */ |
---|
37 | const PHP_CLOSE = "?>"; |
---|
38 | |
---|
39 | /** |
---|
40 | * boolean flag to enable or disable debugging output |
---|
41 | * |
---|
42 | * @var bool |
---|
43 | */ |
---|
44 | public $debug = false; |
---|
45 | |
---|
46 | /** |
---|
47 | * left script delimiter |
---|
48 | * |
---|
49 | * @var string |
---|
50 | */ |
---|
51 | protected $ld = '{'; |
---|
52 | |
---|
53 | /** |
---|
54 | * left script delimiter with escaped regex meta characters |
---|
55 | * |
---|
56 | * @var string |
---|
57 | */ |
---|
58 | protected $ldr = '\\{'; |
---|
59 | |
---|
60 | /** |
---|
61 | * right script delimiter |
---|
62 | * |
---|
63 | * @var string |
---|
64 | */ |
---|
65 | protected $rd = '}'; |
---|
66 | |
---|
67 | /** |
---|
68 | * right script delimiter with escaped regex meta characters |
---|
69 | * |
---|
70 | * @var string |
---|
71 | */ |
---|
72 | protected $rdr = '\\}'; |
---|
73 | |
---|
74 | /** |
---|
75 | * defines whether the nested comments should be parsed as nested or not |
---|
76 | * |
---|
77 | * defaults to false (classic block comment parsing as in all languages) |
---|
78 | * |
---|
79 | * @var bool |
---|
80 | */ |
---|
81 | protected $allowNestedComments = false; |
---|
82 | |
---|
83 | /** |
---|
84 | * defines whether opening and closing tags can contain spaces before valid data or not |
---|
85 | * |
---|
86 | * turn to true if you want to be sloppy with the syntax, but when set to false it allows |
---|
87 | * to skip javascript and css tags as long as they are in the form "{ something", which is |
---|
88 | * nice. default is false. |
---|
89 | * |
---|
90 | * @var bool |
---|
91 | */ |
---|
92 | protected $allowLooseOpenings = false; |
---|
93 | |
---|
94 | /** |
---|
95 | * defines whether the compiler will automatically html-escape variables or not |
---|
96 | * |
---|
97 | * default is false |
---|
98 | * |
---|
99 | * @var bool |
---|
100 | */ |
---|
101 | protected $autoEscape = false; |
---|
102 | |
---|
103 | /** |
---|
104 | * security policy object |
---|
105 | * |
---|
106 | * @var Dwoo_Security_Policy |
---|
107 | */ |
---|
108 | protected $securityPolicy; |
---|
109 | |
---|
110 | /** |
---|
111 | * stores the custom plugins registered with this compiler |
---|
112 | * |
---|
113 | * @var array |
---|
114 | */ |
---|
115 | protected $customPlugins = array(); |
---|
116 | |
---|
117 | /** |
---|
118 | * stores the template plugins registered with this compiler |
---|
119 | * |
---|
120 | * @var array |
---|
121 | */ |
---|
122 | protected $templatePlugins = array(); |
---|
123 | |
---|
124 | /** |
---|
125 | * stores the pre- and post-processors callbacks |
---|
126 | * |
---|
127 | * @var array |
---|
128 | */ |
---|
129 | protected $processors = array('pre'=>array(), 'post'=>array()); |
---|
130 | |
---|
131 | /** |
---|
132 | * stores a list of plugins that are used in the currently compiled |
---|
133 | * template, and that are not compilable. these plugins will be loaded |
---|
134 | * during the template's runtime if required. |
---|
135 | * |
---|
136 | * it is a 1D array formatted as key:pluginName value:pluginType |
---|
137 | * |
---|
138 | * @var array |
---|
139 | */ |
---|
140 | protected $usedPlugins; |
---|
141 | |
---|
142 | /** |
---|
143 | * stores the template undergoing compilation |
---|
144 | * |
---|
145 | * @var string |
---|
146 | */ |
---|
147 | protected $template; |
---|
148 | |
---|
149 | /** |
---|
150 | * stores the current pointer position inside the template |
---|
151 | * |
---|
152 | * @var int |
---|
153 | */ |
---|
154 | protected $pointer; |
---|
155 | |
---|
156 | /** |
---|
157 | * stores the current line count inside the template for debugging purposes |
---|
158 | * |
---|
159 | * @var int |
---|
160 | */ |
---|
161 | protected $line; |
---|
162 | |
---|
163 | /** |
---|
164 | * stores the current template source while compiling it |
---|
165 | * |
---|
166 | * @var string |
---|
167 | */ |
---|
168 | protected $templateSource; |
---|
169 | |
---|
170 | /** |
---|
171 | * stores the data within which the scope moves |
---|
172 | * |
---|
173 | * @var array |
---|
174 | */ |
---|
175 | protected $data; |
---|
176 | |
---|
177 | /** |
---|
178 | * variable scope of the compiler, set to null if |
---|
179 | * it can not be resolved to a static string (i.e. if some |
---|
180 | * plugin defines a new scope based on a variable array key) |
---|
181 | * |
---|
182 | * @var mixed |
---|
183 | */ |
---|
184 | protected $scope; |
---|
185 | |
---|
186 | /** |
---|
187 | * variable scope tree, that allows to rebuild the current |
---|
188 | * scope if required, i.e. when going to a parent level |
---|
189 | * |
---|
190 | * @var array |
---|
191 | */ |
---|
192 | protected $scopeTree; |
---|
193 | |
---|
194 | /** |
---|
195 | * block plugins stack, accessible through some methods |
---|
196 | * |
---|
197 | * @see findBlock |
---|
198 | * @see getCurrentBlock |
---|
199 | * @see addBlock |
---|
200 | * @see addCustomBlock |
---|
201 | * @see injectBlock |
---|
202 | * @see removeBlock |
---|
203 | * @see removeTopBlock |
---|
204 | * |
---|
205 | * @var array |
---|
206 | */ |
---|
207 | protected $stack = array(); |
---|
208 | |
---|
209 | /** |
---|
210 | * current block at the top of the block plugins stack, |
---|
211 | * accessible through getCurrentBlock |
---|
212 | * |
---|
213 | * @see getCurrentBlock |
---|
214 | * |
---|
215 | * @var Dwoo_Block_Plugin |
---|
216 | */ |
---|
217 | protected $curBlock; |
---|
218 | |
---|
219 | /** |
---|
220 | * current dwoo object that uses this compiler, or null |
---|
221 | * |
---|
222 | * @var Dwoo |
---|
223 | */ |
---|
224 | protected $dwoo; |
---|
225 | |
---|
226 | /** |
---|
227 | * holds an instance of this class, used by getInstance when you don't |
---|
228 | * provide a custom compiler in order to save resources |
---|
229 | * |
---|
230 | * @var Dwoo_Compiler |
---|
231 | */ |
---|
232 | protected static $instance; |
---|
233 | |
---|
234 | /** |
---|
235 | * token types |
---|
236 | * @var int |
---|
237 | */ |
---|
238 | const T_UNQUOTED_STRING = 1; |
---|
239 | const T_NUMERIC = 2; |
---|
240 | const T_NULL = 4; |
---|
241 | const T_BOOL = 8; |
---|
242 | const T_MATH = 16; |
---|
243 | const T_BREAKCHAR = 32; |
---|
244 | |
---|
245 | /** |
---|
246 | * constructor |
---|
247 | * |
---|
248 | * saves the created instance so that child templates get the same one |
---|
249 | */ |
---|
250 | public function __construct() |
---|
251 | { |
---|
252 | self::$instance = $this; |
---|
253 | } |
---|
254 | |
---|
255 | /** |
---|
256 | * sets the delimiters to use in the templates |
---|
257 | * |
---|
258 | * delimiters can be multi-character strings but should not be one of those as they will |
---|
259 | * make it very hard to work with templates or might even break the compiler entirely : "\", "$", "|", ":" and finally "#" only if you intend to use config-vars with the #var# syntax. |
---|
260 | * |
---|
261 | * @param string $left left delimiter |
---|
262 | * @param string $right right delimiter |
---|
263 | */ |
---|
264 | public function setDelimiters($left, $right) |
---|
265 | { |
---|
266 | $this->ld = $left; |
---|
267 | $this->rd = $right; |
---|
268 | $this->ldr = preg_quote($left, '/'); |
---|
269 | $this->rdr = preg_quote($right, '/'); |
---|
270 | } |
---|
271 | |
---|
272 | /** |
---|
273 | * returns the left and right template delimiters |
---|
274 | * |
---|
275 | * @return array containing the left and the right delimiters |
---|
276 | */ |
---|
277 | public function getDelimiters() |
---|
278 | { |
---|
279 | return array($this->ld, $this->rd); |
---|
280 | } |
---|
281 | |
---|
282 | /** |
---|
283 | * sets the way to handle nested comments, if set to true |
---|
284 | * {* foo {* some other *} comment *} will be stripped correctly. |
---|
285 | * |
---|
286 | * if false it will remove {* foo {* some other *} and leave "comment *}" alone, |
---|
287 | * this is the default behavior |
---|
288 | * |
---|
289 | * @param bool $allow allow nested comments or not, defaults to true (but the default internal value is false) |
---|
290 | */ |
---|
291 | public function setNestedCommentsHandling($allow = true) { |
---|
292 | $this->allowNestedComments = (bool) $allow; |
---|
293 | } |
---|
294 | |
---|
295 | /** |
---|
296 | * returns the nested comments handling setting |
---|
297 | * |
---|
298 | * @see setNestedCommentsHandling |
---|
299 | * @return bool true if nested comments are allowed |
---|
300 | */ |
---|
301 | public function getNestedCommentsHandling() { |
---|
302 | return $this->allowNestedComments; |
---|
303 | } |
---|
304 | |
---|
305 | /** |
---|
306 | * sets the tag openings handling strictness, if set to true, template tags can |
---|
307 | * contain spaces before the first function/string/variable such as { $foo} is valid. |
---|
308 | * |
---|
309 | * if set to false (default setting), { $foo} is invalid but that is however a good thing |
---|
310 | * as it allows css (i.e. #foo { color:red; }) to be parsed silently without triggering |
---|
311 | * an error, same goes for javascript. |
---|
312 | * |
---|
313 | * @param bool $allow true to allow loose handling, false to restore default setting |
---|
314 | */ |
---|
315 | public function setLooseOpeningHandling($allow = false) |
---|
316 | { |
---|
317 | $this->allowLooseOpenings = (bool) $allow; |
---|
318 | } |
---|
319 | |
---|
320 | /** |
---|
321 | * returns the tag openings handling strictness setting |
---|
322 | * |
---|
323 | * @see setLooseOpeningHandling |
---|
324 | * @return bool true if loose tags are allowed |
---|
325 | */ |
---|
326 | public function getLooseOpeningHandling() |
---|
327 | { |
---|
328 | return $this->allowLooseOpenings; |
---|
329 | } |
---|
330 | |
---|
331 | /** |
---|
332 | * changes the auto escape setting |
---|
333 | * |
---|
334 | * if enabled, the compiler will automatically html-escape variables, |
---|
335 | * unless they are passed through the safe function such as {$var|safe} |
---|
336 | * or {safe $var} |
---|
337 | * |
---|
338 | * default setting is disabled/false |
---|
339 | * |
---|
340 | * @param bool $enabled set to true to enable, false to disable |
---|
341 | */ |
---|
342 | public function setAutoEscape($enabled) |
---|
343 | { |
---|
344 | $this->autoEscape = (bool) $enabled; |
---|
345 | } |
---|
346 | |
---|
347 | /** |
---|
348 | * returns the auto escape setting |
---|
349 | * |
---|
350 | * default setting is disabled/false |
---|
351 | * |
---|
352 | * @return bool |
---|
353 | */ |
---|
354 | public function getAutoEscape() |
---|
355 | { |
---|
356 | return $this->autoEscape; |
---|
357 | } |
---|
358 | |
---|
359 | /** |
---|
360 | * adds a preprocessor to the compiler, it will be called |
---|
361 | * before the template is compiled |
---|
362 | * |
---|
363 | * @param mixed $callback either a valid callback to the preprocessor or a simple name if the autoload is set to true |
---|
364 | * @param bool $autoload if set to true, the preprocessor is auto-loaded from one of the plugin directories, else you must provide a valid callback |
---|
365 | */ |
---|
366 | public function addPreProcessor($callback, $autoload = false) |
---|
367 | { |
---|
368 | if ($autoload) { |
---|
369 | $name = str_replace('Dwoo_Processor_', '', $callback); |
---|
370 | $class = 'Dwoo_Processor_'.$name; |
---|
371 | |
---|
372 | if (class_exists($class, false)) { |
---|
373 | $callback = array(new $class($this), 'process'); |
---|
374 | } elseif (function_exists($class)) { |
---|
375 | $callback = $class; |
---|
376 | } else { |
---|
377 | $callback = array('autoload'=>true, 'class'=>$class, 'name'=>$name); |
---|
378 | } |
---|
379 | |
---|
380 | $this->processors['pre'][] = $callback; |
---|
381 | } else { |
---|
382 | $this->processors['pre'][] = $callback; |
---|
383 | } |
---|
384 | } |
---|
385 | |
---|
386 | /** |
---|
387 | * removes a preprocessor from the compiler |
---|
388 | * |
---|
389 | * @param mixed $callback either a valid callback to the preprocessor or a simple name if it was autoloaded |
---|
390 | */ |
---|
391 | public function removePreProcessor($callback) |
---|
392 | { |
---|
393 | if (($index = array_search($callback, $this->processors['pre'], true)) !== false) { |
---|
394 | unset($this->processors['pre'][$index]); |
---|
395 | } elseif (($index = array_search('Dwoo_Processor_'.str_replace('Dwoo_Processor_', '', $callback), $this->processors['pre'], true)) !== false) { |
---|
396 | unset($this->processors['pre'][$index]); |
---|
397 | } else { |
---|
398 | $class = 'Dwoo_Processor_' . str_replace('Dwoo_Processor_', '', $callback); |
---|
399 | foreach ($this->processors['pre'] as $index=>$proc) { |
---|
400 | if (is_array($proc) && ($proc[0] instanceof $class) || (isset($proc['class']) && $proc['class'] == $class)) { |
---|
401 | unset($this->processors['pre'][$index]); |
---|
402 | break; |
---|
403 | } |
---|
404 | } |
---|
405 | } |
---|
406 | } |
---|
407 | |
---|
408 | /** |
---|
409 | * adds a postprocessor to the compiler, it will be called |
---|
410 | * before the template is compiled |
---|
411 | * |
---|
412 | * @param mixed $callback either a valid callback to the postprocessor or a simple name if the autoload is set to true |
---|
413 | * @param bool $autoload if set to true, the postprocessor is auto-loaded from one of the plugin directories, else you must provide a valid callback |
---|
414 | */ |
---|
415 | public function addPostProcessor($callback, $autoload = false) |
---|
416 | { |
---|
417 | if ($autoload) { |
---|
418 | $name = str_replace('Dwoo_Processor_', '', $callback); |
---|
419 | $class = 'Dwoo_Processor_'.$name; |
---|
420 | |
---|
421 | if (class_exists($class, false)) { |
---|
422 | $callback = array(new $class($this), 'process'); |
---|
423 | } elseif (function_exists($class)) { |
---|
424 | $callback = $class; |
---|
425 | } else { |
---|
426 | $callback = array('autoload'=>true, 'class'=>$class, 'name'=>$name); |
---|
427 | } |
---|
428 | |
---|
429 | $this->processors['post'][] = $callback; |
---|
430 | } else { |
---|
431 | $this->processors['post'][] = $callback; |
---|
432 | } |
---|
433 | } |
---|
434 | |
---|
435 | /** |
---|
436 | * removes a postprocessor from the compiler |
---|
437 | * |
---|
438 | * @param mixed $callback either a valid callback to the postprocessor or a simple name if it was autoloaded |
---|
439 | */ |
---|
440 | public function removePostProcessor($callback) |
---|
441 | { |
---|
442 | if (($index = array_search($callback, $this->processors['post'], true)) !== false) { |
---|
443 | unset($this->processors['post'][$index]); |
---|
444 | } elseif (($index = array_search('Dwoo_Processor_'.str_replace('Dwoo_Processor_', '', $callback), $this->processors['post'], true)) !== false) { |
---|
445 | unset($this->processors['post'][$index]); |
---|
446 | } else { |
---|
447 | $class = 'Dwoo_Processor_' . str_replace('Dwoo_Processor_', '', $callback); |
---|
448 | foreach ($this->processors['post'] as $index=>$proc) { |
---|
449 | if (is_array($proc) && ($proc[0] instanceof $class) || (isset($proc['class']) && $proc['class'] == $class)) { |
---|
450 | unset($this->processors['post'][$index]); |
---|
451 | break; |
---|
452 | } |
---|
453 | } |
---|
454 | } |
---|
455 | } |
---|
456 | |
---|
457 | /** |
---|
458 | * internal function to autoload processors at runtime if required |
---|
459 | * |
---|
460 | * @param string $class the class/function name |
---|
461 | * @param string $name the plugin name (without Dwoo_Plugin_ prefix) |
---|
462 | */ |
---|
463 | protected function loadProcessor($class, $name) |
---|
464 | { |
---|
465 | if (!class_exists($class, false) && !function_exists($class)) { |
---|
466 | try { |
---|
467 | $this->dwoo->getLoader()->loadPlugin($name); |
---|
468 | } catch (Dwoo_Exception $e) { |
---|
469 | throw new Dwoo_Exception('Processor '.$name.' could not be found in your plugin directories, please ensure it is in a file named '.$name.'.php in the plugin directory'); |
---|
470 | } |
---|
471 | } |
---|
472 | |
---|
473 | if (class_exists($class, false)) { |
---|
474 | return array(new $class($this), 'process'); |
---|
475 | } |
---|
476 | |
---|
477 | if (function_exists($class)) { |
---|
478 | return $class; |
---|
479 | } |
---|
480 | |
---|
481 | throw new Dwoo_Exception('Wrong processor name, when using autoload the processor must be in one of your plugin dir as "name.php" containg a class or function named "Dwoo_Processor_name"'); |
---|
482 | } |
---|
483 | |
---|
484 | /** |
---|
485 | * adds an used plugin, this is reserved for use by the {template} plugin |
---|
486 | * |
---|
487 | * this is required so that plugin loading bubbles up from loaded |
---|
488 | * template files to the current one |
---|
489 | * |
---|
490 | * @private |
---|
491 | * @param string $name function name |
---|
492 | * @param int $type plugin type (Dwoo_Core::*_PLUGIN) |
---|
493 | */ |
---|
494 | public function addUsedPlugin($name, $type) |
---|
495 | { |
---|
496 | $this->usedPlugins[$name] = $type; |
---|
497 | } |
---|
498 | |
---|
499 | /** |
---|
500 | * returns all the plugins this template uses |
---|
501 | * |
---|
502 | * @private |
---|
503 | * @return array the list of used plugins in the parsed template |
---|
504 | */ |
---|
505 | public function getUsedPlugins() |
---|
506 | { |
---|
507 | return $this->usedPlugins; |
---|
508 | } |
---|
509 | |
---|
510 | /** |
---|
511 | * adds a template plugin, this is reserved for use by the {template} plugin |
---|
512 | * |
---|
513 | * this is required because the template functions are not declared yet |
---|
514 | * during compilation, so we must have a way of validating their argument |
---|
515 | * signature without using the reflection api |
---|
516 | * |
---|
517 | * @private |
---|
518 | * @param string $name function name |
---|
519 | * @param array $params parameter array to help validate the function call |
---|
520 | * @param string $uuid unique id of the function |
---|
521 | * @param string $body function php code |
---|
522 | */ |
---|
523 | public function addTemplatePlugin($name, array $params, $uuid, $body = null) |
---|
524 | { |
---|
525 | $this->templatePlugins[$name] = array('params'=> $params, 'body' => $body, 'uuid' => $uuid); |
---|
526 | } |
---|
527 | |
---|
528 | /** |
---|
529 | * returns all the parsed sub-templates |
---|
530 | * |
---|
531 | * @private |
---|
532 | * @return array the parsed sub-templates |
---|
533 | */ |
---|
534 | public function getTemplatePlugins() |
---|
535 | { |
---|
536 | return $this->templatePlugins; |
---|
537 | } |
---|
538 | |
---|
539 | /** |
---|
540 | * marks a template plugin as being called, which means its source must be included in the compiled template |
---|
541 | * |
---|
542 | * @param string $name function name |
---|
543 | */ |
---|
544 | public function useTemplatePlugin($name) |
---|
545 | { |
---|
546 | $this->templatePlugins[$name]['called'] = true; |
---|
547 | } |
---|
548 | |
---|
549 | /** |
---|
550 | * adds the custom plugins loaded into Dwoo to the compiler so it can load them |
---|
551 | * |
---|
552 | * @see Dwoo_Core::addPlugin |
---|
553 | * @param array $customPlugins an array of custom plugins |
---|
554 | */ |
---|
555 | public function setCustomPlugins(array $customPlugins) |
---|
556 | { |
---|
557 | $this->customPlugins = $customPlugins; |
---|
558 | } |
---|
559 | |
---|
560 | /** |
---|
561 | * sets the security policy object to enforce some php security settings |
---|
562 | * |
---|
563 | * use this if untrusted persons can modify templates, |
---|
564 | * set it on the Dwoo object as it will be passed onto the compiler automatically |
---|
565 | * |
---|
566 | * @param Dwoo_Security_Policy $policy the security policy object |
---|
567 | */ |
---|
568 | public function setSecurityPolicy(Dwoo_Security_Policy $policy = null) |
---|
569 | { |
---|
570 | $this->securityPolicy = $policy; |
---|
571 | } |
---|
572 | |
---|
573 | /** |
---|
574 | * returns the current security policy object or null by default |
---|
575 | * |
---|
576 | * @return Dwoo_Security_Policy|null the security policy object if any |
---|
577 | */ |
---|
578 | public function getSecurityPolicy() |
---|
579 | { |
---|
580 | return $this->securityPolicy; |
---|
581 | } |
---|
582 | |
---|
583 | /** |
---|
584 | * sets the pointer position |
---|
585 | * |
---|
586 | * @param int $position the new pointer position |
---|
587 | * @param bool $isOffset if set to true, the position acts as an offset and not an absolute position |
---|
588 | */ |
---|
589 | public function setPointer($position, $isOffset = false) |
---|
590 | { |
---|
591 | if ($isOffset) { |
---|
592 | $this->pointer += $position; |
---|
593 | } else { |
---|
594 | $this->pointer = $position; |
---|
595 | } |
---|
596 | } |
---|
597 | |
---|
598 | /** |
---|
599 | * returns the current pointer position, only available during compilation of a template |
---|
600 | * |
---|
601 | * @return int |
---|
602 | */ |
---|
603 | public function getPointer() |
---|
604 | { |
---|
605 | return $this->pointer; |
---|
606 | } |
---|
607 | |
---|
608 | /** |
---|
609 | * sets the line number |
---|
610 | * |
---|
611 | * @param int $number the new line number |
---|
612 | * @param bool $isOffset if set to true, the position acts as an offset and not an absolute position |
---|
613 | */ |
---|
614 | public function setLine($number, $isOffset = false) |
---|
615 | { |
---|
616 | if ($isOffset) { |
---|
617 | $this->line += $number; |
---|
618 | } else { |
---|
619 | $this->line = $number; |
---|
620 | } |
---|
621 | } |
---|
622 | |
---|
623 | /** |
---|
624 | * returns the current line number, only available during compilation of a template |
---|
625 | * |
---|
626 | * @return int |
---|
627 | */ |
---|
628 | public function getLine() |
---|
629 | { |
---|
630 | return $this->line; |
---|
631 | } |
---|
632 | |
---|
633 | /** |
---|
634 | * returns the dwoo object that initiated this template compilation, only available during compilation of a template |
---|
635 | * |
---|
636 | * @return Dwoo |
---|
637 | */ |
---|
638 | public function getDwoo() |
---|
639 | { |
---|
640 | return $this->dwoo; |
---|
641 | } |
---|
642 | |
---|
643 | /** |
---|
644 | * overwrites the template that is being compiled |
---|
645 | * |
---|
646 | * @param string $newSource the template source that must replace the current one |
---|
647 | * @param bool $fromPointer if set to true, only the source from the current pointer position is replaced |
---|
648 | * @return string the template or partial template |
---|
649 | */ |
---|
650 | public function setTemplateSource($newSource, $fromPointer = false) |
---|
651 | { |
---|
652 | if ($fromPointer === true) { |
---|
653 | $this->templateSource = substr($this->templateSource, 0, $this->pointer) . $newSource; |
---|
654 | } else { |
---|
655 | $this->templateSource = $newSource; |
---|
656 | } |
---|
657 | } |
---|
658 | |
---|
659 | /** |
---|
660 | * returns the template that is being compiled |
---|
661 | * |
---|
662 | * @param mixed $fromPointer if set to true, only the source from the current pointer |
---|
663 | * position is returned, if a number is given it overrides the current pointer |
---|
664 | * @return string the template or partial template |
---|
665 | */ |
---|
666 | public function getTemplateSource($fromPointer = false) |
---|
667 | { |
---|
668 | if ($fromPointer === true) { |
---|
669 | return substr($this->templateSource, $this->pointer); |
---|
670 | } elseif (is_numeric($fromPointer)) { |
---|
671 | return substr($this->templateSource, $fromPointer); |
---|
672 | } else { |
---|
673 | return $this->templateSource; |
---|
674 | } |
---|
675 | } |
---|
676 | |
---|
677 | /** |
---|
678 | * resets the compilation pointer, effectively restarting the compilation process |
---|
679 | * |
---|
680 | * this is useful if a plugin modifies the template source since it might need to be recompiled |
---|
681 | */ |
---|
682 | public function recompile() |
---|
683 | { |
---|
684 | $this->setPointer(0); |
---|
685 | } |
---|
686 | |
---|
687 | /** |
---|
688 | * compiles the provided string down to php code |
---|
689 | * |
---|
690 | * @param string $tpl the template to compile |
---|
691 | * @return string a compiled php string |
---|
692 | */ |
---|
693 | public function compile(Dwoo_Core $dwoo, Dwoo_ITemplate $template) |
---|
694 | { |
---|
695 | // init vars |
---|
696 | $tpl = $template->getSource(); |
---|
697 | $ptr = 0; |
---|
698 | $this->dwoo = $dwoo; |
---|
699 | $this->template = $template; |
---|
700 | $this->templateSource =& $tpl; |
---|
701 | $this->pointer =& $ptr; |
---|
702 | |
---|
703 | while (true) { |
---|
704 | // if pointer is at the beginning, reset everything, that allows a plugin to externally reset the compiler if everything must be reparsed |
---|
705 | if ($ptr===0) { |
---|
706 | // resets variables |
---|
707 | $this->usedPlugins = array(); |
---|
708 | $this->data = array(); |
---|
709 | $this->scope =& $this->data; |
---|
710 | $this->scopeTree = array(); |
---|
711 | $this->stack = array(); |
---|
712 | $this->line = 1; |
---|
713 | $this->templatePlugins = array(); |
---|
714 | // add top level block |
---|
715 | $compiled = $this->addBlock('topLevelBlock', array(), 0); |
---|
716 | $this->stack[0]['buffer'] = ''; |
---|
717 | |
---|
718 | if ($this->debug) echo 'COMPILER INIT<br />'; |
---|
719 | |
---|
720 | if ($this->debug) echo 'PROCESSING PREPROCESSORS ('.count($this->processors['pre']).')<br>'; |
---|
721 | |
---|
722 | // runs preprocessors |
---|
723 | foreach ($this->processors['pre'] as $preProc) { |
---|
724 | if (is_array($preProc) && isset($preProc['autoload'])) { |
---|
725 | $preProc = $this->loadProcessor($preProc['class'], $preProc['name']); |
---|
726 | } |
---|
727 | if (is_array($preProc) && $preProc[0] instanceof Dwoo_Processor) { |
---|
728 | $tpl = call_user_func($preProc, $tpl); |
---|
729 | } else { |
---|
730 | $tpl = call_user_func($preProc, $this, $tpl); |
---|
731 | } |
---|
732 | } |
---|
733 | unset($preProc); |
---|
734 | |
---|
735 | // show template source if debug |
---|
736 | if ($this->debug) echo '<pre>'.print_r(htmlentities($tpl), true).'</pre><hr />'; |
---|
737 | |
---|
738 | // strips php tags if required by the security policy |
---|
739 | if ($this->securityPolicy !== null) { |
---|
740 | $search = array('{<\?php.*?\?>}'); |
---|
741 | if (ini_get('short_open_tags')) { |
---|
742 | $search = array('{<\?.*?\?>}', '{<%.*?%>}'); |
---|
743 | } |
---|
744 | switch($this->securityPolicy->getPhpHandling()) { |
---|
745 | |
---|
746 | case Dwoo_Security_Policy::PHP_ALLOW: |
---|
747 | break; |
---|
748 | case Dwoo_Security_Policy::PHP_ENCODE: |
---|
749 | $tpl = preg_replace_callback($search, array($this, 'phpTagEncodingHelper'), $tpl); |
---|
750 | break; |
---|
751 | case Dwoo_Security_Policy::PHP_REMOVE: |
---|
752 | $tpl = preg_replace($search, '', $tpl); |
---|
753 | |
---|
754 | } |
---|
755 | } |
---|
756 | } |
---|
757 | |
---|
758 | $pos = strpos($tpl, $this->ld, $ptr); |
---|
759 | |
---|
760 | if ($pos === false) { |
---|
761 | $this->push(substr($tpl, $ptr), 0); |
---|
762 | break; |
---|
763 | } elseif (substr($tpl, $pos-1, 1) === '\\' && substr($tpl, $pos-2, 1) !== '\\') { |
---|
764 | $this->push(substr($tpl, $ptr, $pos-$ptr-1) . $this->ld); |
---|
765 | $ptr = $pos+strlen($this->ld); |
---|
766 | } elseif (preg_match('/^'.$this->ldr . ($this->allowLooseOpenings ? '\s*' : '') . 'literal' . ($this->allowLooseOpenings ? '\s*' : '') . $this->rdr.'/s', substr($tpl, $pos), $litOpen)) { |
---|
767 | if (!preg_match('/'.$this->ldr . ($this->allowLooseOpenings ? '\s*' : '') . '\/literal' . ($this->allowLooseOpenings ? '\s*' : '') . $this->rdr.'/s', $tpl, $litClose, PREG_OFFSET_CAPTURE, $pos)) { |
---|
768 | throw new Dwoo_Compilation_Exception($this, 'The {literal} blocks must be closed explicitly with {/literal}'); |
---|
769 | } |
---|
770 | $endpos = $litClose[0][1]; |
---|
771 | $this->push(substr($tpl, $ptr, $pos-$ptr) . substr($tpl, $pos + strlen($litOpen[0]), $endpos-$pos-strlen($litOpen[0]))); |
---|
772 | $ptr = $endpos+strlen($litClose[0][0]); |
---|
773 | } else { |
---|
774 | if (substr($tpl, $pos-2, 1) === '\\' && substr($tpl, $pos-1, 1) === '\\') { |
---|
775 | $this->push(substr($tpl, $ptr, $pos-$ptr-1)); |
---|
776 | $ptr = $pos; |
---|
777 | } |
---|
778 | |
---|
779 | $this->push(substr($tpl, $ptr, $pos-$ptr)); |
---|
780 | $ptr = $pos; |
---|
781 | |
---|
782 | $pos += strlen($this->ld); |
---|
783 | if ($this->allowLooseOpenings) { |
---|
784 | while (substr($tpl, $pos, 1) === ' ') { |
---|
785 | $pos+=1; |
---|
786 | } |
---|
787 | } else { |
---|
788 | if (substr($tpl, $pos, 1) === ' ' || substr($tpl, $pos, 1) === "\r" || substr($tpl, $pos, 1) === "\n" || substr($tpl, $pos, 1) === "\t") { |
---|
789 | $ptr = $pos; |
---|
790 | $this->push($this->ld); |
---|
791 | continue; |
---|
792 | } |
---|
793 | } |
---|
794 | |
---|
795 | // check that there is an end tag present |
---|
796 | if (strpos($tpl, $this->rd, $pos) === false) { |
---|
797 | throw new Dwoo_Compilation_Exception($this, 'A template tag was not closed, started with "'.substr($tpl, $ptr, 30).'"'); |
---|
798 | } |
---|
799 | |
---|
800 | |
---|
801 | $ptr += strlen($this->ld); |
---|
802 | $subptr = $ptr; |
---|
803 | |
---|
804 | while (true) { |
---|
805 | $parsed = $this->parse($tpl, $subptr, null, false, 'root', $subptr); |
---|
806 | |
---|
807 | // reload loop if the compiler was reset |
---|
808 | if ($ptr === 0) { |
---|
809 | continue 2; |
---|
810 | } |
---|
811 | |
---|
812 | $len = $subptr - $ptr; |
---|
813 | $this->push($parsed, substr_count(substr($tpl, $ptr, $len), "\n")); |
---|
814 | $ptr += $len; |
---|
815 | |
---|
816 | if ($parsed === false) { |
---|
817 | break; |
---|
818 | } |
---|
819 | } |
---|
820 | |
---|
821 | // adds additional line breaks between php closing and opening tags because the php parser removes those if there is just a single line break |
---|
822 | if (substr($this->curBlock['buffer'], -2) === '?>' && preg_match('{^(([\r\n])([\r\n]?))}', substr($tpl, $ptr, 3), $m)) { |
---|
823 | if ($m[3] === '') { |
---|
824 | $ptr+=1; |
---|
825 | $this->push($m[1].$m[1], 1); |
---|
826 | } else { |
---|
827 | $ptr+=2; |
---|
828 | $this->push($m[1]."\n", 2); |
---|
829 | } |
---|
830 | } |
---|
831 | } |
---|
832 | } |
---|
833 | |
---|
834 | $compiled .= $this->removeBlock('topLevelBlock'); |
---|
835 | |
---|
836 | if ($this->debug) echo 'PROCESSING POSTPROCESSORS<br>'; |
---|
837 | |
---|
838 | foreach ($this->processors['post'] as $postProc) { |
---|
839 | if (is_array($postProc) && isset($postProc['autoload'])) { |
---|
840 | $postProc = $this->loadProcessor($postProc['class'], $postProc['name']); |
---|
841 | } |
---|
842 | if (is_array($postProc) && $postProc[0] instanceof Dwoo_Processor) { |
---|
843 | $compiled = call_user_func($postProc, $compiled); |
---|
844 | } else { |
---|
845 | $compiled = call_user_func($postProc, $this, $compiled); |
---|
846 | } |
---|
847 | } |
---|
848 | unset($postProc); |
---|
849 | |
---|
850 | if ($this->debug) echo 'COMPILATION COMPLETE : MEM USAGE : '.memory_get_usage().'<br>'; |
---|
851 | |
---|
852 | $output = "<?php\n/* template head */\n"; |
---|
853 | |
---|
854 | // build plugin preloader |
---|
855 | foreach ($this->usedPlugins as $plugin=>$type) { |
---|
856 | if ($type & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
857 | continue; |
---|
858 | } |
---|
859 | |
---|
860 | switch($type) { |
---|
861 | |
---|
862 | case Dwoo_Core::BLOCK_PLUGIN: |
---|
863 | case Dwoo_Core::CLASS_PLUGIN: |
---|
864 | $output .= "if (class_exists('Dwoo_Plugin_$plugin', false)===false)\n\t\$this->getLoader()->loadPlugin('$plugin');\n"; |
---|
865 | break; |
---|
866 | case Dwoo_Core::FUNC_PLUGIN: |
---|
867 | $output .= "if (function_exists('Dwoo_Plugin_$plugin')===false)\n\t\$this->getLoader()->loadPlugin('$plugin');\n"; |
---|
868 | break; |
---|
869 | case Dwoo_Core::SMARTY_MODIFIER: |
---|
870 | $output .= "if (function_exists('smarty_modifier_$plugin')===false)\n\t\$this->getLoader()->loadPlugin('$plugin');\n"; |
---|
871 | break; |
---|
872 | case Dwoo_Core::SMARTY_FUNCTION: |
---|
873 | $output .= "if (function_exists('smarty_function_$plugin')===false)\n\t\$this->getLoader()->loadPlugin('$plugin');\n"; |
---|
874 | break; |
---|
875 | case Dwoo_Core::SMARTY_BLOCK: |
---|
876 | $output .= "if (function_exists('smarty_block_$plugin')===false)\n\t\$this->getLoader()->loadPlugin('$plugin');\n"; |
---|
877 | break; |
---|
878 | case Dwoo_Core::PROXY_PLUGIN: |
---|
879 | $output .= $this->getDwoo()->getPluginProxy()->getPreloader($plugin); |
---|
880 | break; |
---|
881 | default: |
---|
882 | throw new Dwoo_Compilation_Exception($this, 'Type error for '.$plugin.' with type'.$type); |
---|
883 | |
---|
884 | } |
---|
885 | } |
---|
886 | |
---|
887 | foreach ($this->templatePlugins as $function => $attr) { |
---|
888 | if (isset($attr['called']) && $attr['called'] === true && !isset($attr['checked'])) { |
---|
889 | $this->resolveSubTemplateDependencies($function); |
---|
890 | } |
---|
891 | } |
---|
892 | foreach ($this->templatePlugins as $function) { |
---|
893 | if (isset($function['called']) && $function['called'] === true) { |
---|
894 | $output .= $function['body'].PHP_EOL; |
---|
895 | } |
---|
896 | } |
---|
897 | |
---|
898 | $output .= $compiled."\n?>"; |
---|
899 | |
---|
900 | $output = preg_replace('/(?<!;|\}|\*\/|\n|\{)(\s*'.preg_quote(self::PHP_CLOSE, '/') . preg_quote(self::PHP_OPEN, '/').')/', ";\n", $output); |
---|
901 | $output = str_replace(self::PHP_CLOSE . self::PHP_OPEN, "\n", $output); |
---|
902 | |
---|
903 | // handle <?xml tag at the beginning |
---|
904 | $output = preg_replace('#(/\* template body \*/ \?>\s*)<\?xml#is', '$1<?php echo \'<?xml\'; ?>', $output); |
---|
905 | |
---|
906 | if ($this->debug) { |
---|
907 | echo '<hr><pre>'; |
---|
908 | $lines = preg_split('{\r\n|\n|<br />}', highlight_string(($output), true)); |
---|
909 | array_shift($lines); |
---|
910 | foreach ($lines as $i=>$line) { |
---|
911 | echo ($i+1).'. '.$line."\r\n"; |
---|
912 | } |
---|
913 | } |
---|
914 | if ($this->debug) echo '<hr></pre></pre>'; |
---|
915 | |
---|
916 | $this->template = $this->dwoo = null; |
---|
917 | $tpl = null; |
---|
918 | |
---|
919 | return $output; |
---|
920 | } |
---|
921 | |
---|
922 | /** |
---|
923 | * checks what sub-templates are used in every sub-template so that we're sure they are all compiled |
---|
924 | * |
---|
925 | * @param string $function the sub-template name |
---|
926 | */ |
---|
927 | protected function resolveSubTemplateDependencies($function) |
---|
928 | { |
---|
929 | $body = $this->templatePlugins[$function]['body']; |
---|
930 | foreach ($this->templatePlugins as $func => $attr) { |
---|
931 | if ($func !== $function && !isset($attr['called']) && strpos($body, 'Dwoo_Plugin_'.$func) !== false) { |
---|
932 | $this->templatePlugins[$func]['called'] = true; |
---|
933 | $this->resolveSubTemplateDependencies($func); |
---|
934 | } |
---|
935 | } |
---|
936 | $this->templatePlugins[$function]['checked'] = true; |
---|
937 | } |
---|
938 | |
---|
939 | /** |
---|
940 | * adds compiled content to the current block |
---|
941 | * |
---|
942 | * @param string $content the content to push |
---|
943 | * @param int $lineCount newlines count in content, optional |
---|
944 | */ |
---|
945 | public function push($content, $lineCount = null) |
---|
946 | { |
---|
947 | if ($lineCount === null) { |
---|
948 | $lineCount = substr_count($content, "\n"); |
---|
949 | } |
---|
950 | |
---|
951 | if ($this->curBlock['buffer'] === null && count($this->stack) > 1) { |
---|
952 | // buffer is not initialized yet (the block has just been created) |
---|
953 | $this->stack[count($this->stack)-2]['buffer'] .= (string) $content; |
---|
954 | $this->curBlock['buffer'] = ''; |
---|
955 | } else { |
---|
956 | if (!isset($this->curBlock['buffer'])) { |
---|
957 | throw new Dwoo_Compilation_Exception($this, 'The template has been closed too early, you probably have an extra block-closing tag somewhere'); |
---|
958 | } |
---|
959 | // append current content to current block's buffer |
---|
960 | $this->curBlock['buffer'] .= (string) $content; |
---|
961 | } |
---|
962 | $this->line += $lineCount; |
---|
963 | } |
---|
964 | |
---|
965 | /** |
---|
966 | * sets the scope |
---|
967 | * |
---|
968 | * set to null if the scope becomes "unstable" (i.e. too variable or unknown) so that |
---|
969 | * variables are compiled in a more evaluative way than just $this->scope['key'] |
---|
970 | * |
---|
971 | * @param mixed $scope a string i.e. "level1.level2" or an array i.e. array("level1", "level2") |
---|
972 | * @param bool $absolute if true, the scope is set from the top level scope and not from the current scope |
---|
973 | * @return array the current scope tree |
---|
974 | */ |
---|
975 | public function setScope($scope, $absolute = false) |
---|
976 | { |
---|
977 | $old = $this->scopeTree; |
---|
978 | |
---|
979 | if ($scope===null) { |
---|
980 | unset($this->scope); |
---|
981 | $this->scope = null; |
---|
982 | } |
---|
983 | |
---|
984 | if (is_array($scope)===false) { |
---|
985 | $scope = explode('.', $scope); |
---|
986 | } |
---|
987 | |
---|
988 | if ($absolute===true) { |
---|
989 | $this->scope =& $this->data; |
---|
990 | $this->scopeTree = array(); |
---|
991 | } |
---|
992 | |
---|
993 | while (($bit = array_shift($scope)) !== null) { |
---|
994 | if ($bit === '_parent' || $bit === '_') { |
---|
995 | array_pop($this->scopeTree); |
---|
996 | reset($this->scopeTree); |
---|
997 | $this->scope =& $this->data; |
---|
998 | $cnt = count($this->scopeTree); |
---|
999 | for ($i=0;$i<$cnt;$i++) |
---|
1000 | $this->scope =& $this->scope[$this->scopeTree[$i]]; |
---|
1001 | } elseif ($bit === '_root' || $bit === '__') { |
---|
1002 | $this->scope =& $this->data; |
---|
1003 | $this->scopeTree = array(); |
---|
1004 | } elseif (isset($this->scope[$bit])) { |
---|
1005 | $this->scope =& $this->scope[$bit]; |
---|
1006 | $this->scopeTree[] = $bit; |
---|
1007 | } else { |
---|
1008 | $this->scope[$bit] = array(); |
---|
1009 | $this->scope =& $this->scope[$bit]; |
---|
1010 | $this->scopeTree[] = $bit; |
---|
1011 | } |
---|
1012 | } |
---|
1013 | |
---|
1014 | return $old; |
---|
1015 | } |
---|
1016 | |
---|
1017 | /** |
---|
1018 | * adds a block to the top of the block stack |
---|
1019 | * |
---|
1020 | * @param string $type block type (name) |
---|
1021 | * @param array $params the parameters array |
---|
1022 | * @param int $paramtype the parameters type (see mapParams), 0, 1 or 2 |
---|
1023 | * @return string the preProcessing() method's output |
---|
1024 | */ |
---|
1025 | public function addBlock($type, array $params, $paramtype) |
---|
1026 | { |
---|
1027 | $class = 'Dwoo_Plugin_'.$type; |
---|
1028 | if (class_exists($class, false) === false) { |
---|
1029 | $this->dwoo->getLoader()->loadPlugin($type); |
---|
1030 | } |
---|
1031 | |
---|
1032 | $params = $this->mapParams($params, array($class, 'init'), $paramtype); |
---|
1033 | |
---|
1034 | $this->stack[] = array('type' => $type, 'params' => $params, 'custom' => false, 'class' => $class, 'buffer' => null); |
---|
1035 | $this->curBlock =& $this->stack[count($this->stack)-1]; |
---|
1036 | return call_user_func(array($class,'preProcessing'), $this, $params, '', '', $type); |
---|
1037 | } |
---|
1038 | |
---|
1039 | /** |
---|
1040 | * adds a custom block to the top of the block stack |
---|
1041 | * |
---|
1042 | * @param string $type block type (name) |
---|
1043 | * @param array $params the parameters array |
---|
1044 | * @param int $paramtype the parameters type (see mapParams), 0, 1 or 2 |
---|
1045 | * @return string the preProcessing() method's output |
---|
1046 | */ |
---|
1047 | public function addCustomBlock($type, array $params, $paramtype) |
---|
1048 | { |
---|
1049 | $callback = $this->customPlugins[$type]['callback']; |
---|
1050 | if (is_array($callback)) { |
---|
1051 | $class = is_object($callback[0]) ? get_class($callback[0]) : $callback[0]; |
---|
1052 | } else { |
---|
1053 | $class = $callback; |
---|
1054 | } |
---|
1055 | |
---|
1056 | $params = $this->mapParams($params, array($class, 'init'), $paramtype); |
---|
1057 | |
---|
1058 | $this->stack[] = array('type' => $type, 'params' => $params, 'custom' => true, 'class' => $class, 'buffer' => null); |
---|
1059 | $this->curBlock =& $this->stack[count($this->stack)-1]; |
---|
1060 | return call_user_func(array($class,'preProcessing'), $this, $params, '', '', $type); |
---|
1061 | } |
---|
1062 | |
---|
1063 | /** |
---|
1064 | * injects a block at the top of the plugin stack without calling its preProcessing method |
---|
1065 | * |
---|
1066 | * used by {else} blocks to re-add themselves after having closed everything up to their parent |
---|
1067 | * |
---|
1068 | * @param string $type block type (name) |
---|
1069 | * @param array $params parameters array |
---|
1070 | */ |
---|
1071 | public function injectBlock($type, array $params) |
---|
1072 | { |
---|
1073 | $class = 'Dwoo_Plugin_'.$type; |
---|
1074 | if (class_exists($class, false) === false) { |
---|
1075 | $this->dwoo->getLoader()->loadPlugin($type); |
---|
1076 | } |
---|
1077 | $this->stack[] = array('type' => $type, 'params' => $params, 'custom' => false, 'class' => $class, 'buffer' => null); |
---|
1078 | $this->curBlock =& $this->stack[count($this->stack)-1]; |
---|
1079 | } |
---|
1080 | |
---|
1081 | /** |
---|
1082 | * removes the closest-to-top block of the given type and all other |
---|
1083 | * blocks encountered while going down the block stack |
---|
1084 | * |
---|
1085 | * @param string $type block type (name) |
---|
1086 | * @return string the output of all postProcessing() method's return values of the closed blocks |
---|
1087 | */ |
---|
1088 | public function removeBlock($type) |
---|
1089 | { |
---|
1090 | $output = ''; |
---|
1091 | |
---|
1092 | $pluginType = $this->getPluginType($type); |
---|
1093 | if ($pluginType & Dwoo_Core::SMARTY_BLOCK) { |
---|
1094 | $type = 'smartyinterface'; |
---|
1095 | } |
---|
1096 | while (true) { |
---|
1097 | while ($top = array_pop($this->stack)) { |
---|
1098 | if ($top['custom']) { |
---|
1099 | $class = $top['class']; |
---|
1100 | } else { |
---|
1101 | $class = 'Dwoo_Plugin_'.$top['type']; |
---|
1102 | } |
---|
1103 | if (count($this->stack)) { |
---|
1104 | $this->curBlock =& $this->stack[count($this->stack)-1]; |
---|
1105 | $this->push(call_user_func(array($class, 'postProcessing'), $this, $top['params'], '', '', $top['buffer']), 0); |
---|
1106 | } else { |
---|
1107 | $null = null; |
---|
1108 | $this->curBlock =& $null; |
---|
1109 | $output = call_user_func(array($class, 'postProcessing'), $this, $top['params'], '', '', $top['buffer']); |
---|
1110 | } |
---|
1111 | |
---|
1112 | if ($top['type'] === $type) { |
---|
1113 | break 2; |
---|
1114 | } |
---|
1115 | } |
---|
1116 | |
---|
1117 | throw new Dwoo_Compilation_Exception($this, 'Syntax malformation, a block of type "'.$type.'" was closed but was not opened'); |
---|
1118 | break; |
---|
1119 | } |
---|
1120 | |
---|
1121 | return $output; |
---|
1122 | } |
---|
1123 | |
---|
1124 | /** |
---|
1125 | * returns a reference to the first block of the given type encountered and |
---|
1126 | * optionally closes all blocks until it finds it |
---|
1127 | * |
---|
1128 | * this is mainly used by {else} plugins to close everything that was opened |
---|
1129 | * between their parent and themselves |
---|
1130 | * |
---|
1131 | * @param string $type the block type (name) |
---|
1132 | * @param bool $closeAlong whether to close all blocks encountered while going down the block stack or not |
---|
1133 | * @return &array the array is as such: array('type'=>pluginName, 'params'=>parameter array, |
---|
1134 | * 'custom'=>bool defining whether it's a custom plugin or not, for internal use) |
---|
1135 | */ |
---|
1136 | public function &findBlock($type, $closeAlong = false) |
---|
1137 | { |
---|
1138 | if ($closeAlong===true) { |
---|
1139 | while ($b = end($this->stack)) { |
---|
1140 | if ($b['type']===$type) { |
---|
1141 | return $this->stack[key($this->stack)]; |
---|
1142 | } |
---|
1143 | $this->push($this->removeTopBlock(), 0); |
---|
1144 | } |
---|
1145 | } else { |
---|
1146 | end($this->stack); |
---|
1147 | while ($b = current($this->stack)) { |
---|
1148 | if ($b['type']===$type) { |
---|
1149 | return $this->stack[key($this->stack)]; |
---|
1150 | } |
---|
1151 | prev($this->stack); |
---|
1152 | } |
---|
1153 | } |
---|
1154 | |
---|
1155 | throw new Dwoo_Compilation_Exception($this, 'A parent block of type "'.$type.'" is required and can not be found'); |
---|
1156 | } |
---|
1157 | |
---|
1158 | /** |
---|
1159 | * returns a reference to the current block array |
---|
1160 | * |
---|
1161 | * @return &array the array is as such: array('type'=>pluginName, 'params'=>parameter array, |
---|
1162 | * 'custom'=>bool defining whether it's a custom plugin or not, for internal use) |
---|
1163 | */ |
---|
1164 | public function &getCurrentBlock() |
---|
1165 | { |
---|
1166 | return $this->curBlock; |
---|
1167 | } |
---|
1168 | |
---|
1169 | /** |
---|
1170 | * removes the block at the top of the stack and calls its postProcessing() method |
---|
1171 | * |
---|
1172 | * @return string the postProcessing() method's output |
---|
1173 | */ |
---|
1174 | public function removeTopBlock() |
---|
1175 | { |
---|
1176 | $o = array_pop($this->stack); |
---|
1177 | if ($o === null) { |
---|
1178 | throw new Dwoo_Compilation_Exception($this, 'Syntax malformation, a block of unknown type was closed but was not opened.'); |
---|
1179 | } |
---|
1180 | if ($o['custom']) { |
---|
1181 | $class = $o['class']; |
---|
1182 | } else { |
---|
1183 | $class = 'Dwoo_Plugin_'.$o['type']; |
---|
1184 | } |
---|
1185 | |
---|
1186 | $this->curBlock =& $this->stack[count($this->stack)-1]; |
---|
1187 | |
---|
1188 | return call_user_func(array($class, 'postProcessing'), $this, $o['params'], '', '', $o['buffer']); |
---|
1189 | } |
---|
1190 | |
---|
1191 | /** |
---|
1192 | * returns the compiled parameters (for example a variable's compiled parameter will be "$this->scope['key']") out of the given parameter array |
---|
1193 | * |
---|
1194 | * @param array $params parameter array |
---|
1195 | * @return array filtered parameters |
---|
1196 | */ |
---|
1197 | public function getCompiledParams(array $params) |
---|
1198 | { |
---|
1199 | foreach ($params as $k=>$p) { |
---|
1200 | if (is_array($p)) { |
---|
1201 | $params[$k] = $p[0]; |
---|
1202 | } |
---|
1203 | } |
---|
1204 | return $params; |
---|
1205 | } |
---|
1206 | |
---|
1207 | /** |
---|
1208 | * returns the real parameters (for example a variable's real parameter will be its key, etc) out of the given parameter array |
---|
1209 | * |
---|
1210 | * @param array $params parameter array |
---|
1211 | * @return array filtered parameters |
---|
1212 | */ |
---|
1213 | public function getRealParams(array $params) |
---|
1214 | { |
---|
1215 | foreach ($params as $k=>$p) { |
---|
1216 | if (is_array($p)) { |
---|
1217 | $params[$k] = $p[1]; |
---|
1218 | } |
---|
1219 | } |
---|
1220 | return $params; |
---|
1221 | } |
---|
1222 | |
---|
1223 | /** |
---|
1224 | * returns the token of each parameter out of the given parameter array |
---|
1225 | * |
---|
1226 | * @param array $params parameter array |
---|
1227 | * @return array tokens |
---|
1228 | */ |
---|
1229 | public function getParamTokens(array $params) |
---|
1230 | { |
---|
1231 | foreach ($params as $k=>$p) { |
---|
1232 | if (is_array($p)) { |
---|
1233 | $params[$k] = isset($p[2]) ? $p[2] : 0; |
---|
1234 | } |
---|
1235 | } |
---|
1236 | return $params; |
---|
1237 | } |
---|
1238 | |
---|
1239 | /** |
---|
1240 | * entry point of the parser, it redirects calls to other parse* functions |
---|
1241 | * |
---|
1242 | * @param string $in the string within which we must parse something |
---|
1243 | * @param int $from the starting offset of the parsed area |
---|
1244 | * @param int $to the ending offset of the parsed area |
---|
1245 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
1246 | * @param string $curBlock the current parser-block being processed |
---|
1247 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
1248 | * @return string parsed values |
---|
1249 | */ |
---|
1250 | protected function parse($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
1251 | { |
---|
1252 | if ($to === null) { |
---|
1253 | $to = strlen($in); |
---|
1254 | } |
---|
1255 | $first = substr($in, $from, 1); |
---|
1256 | |
---|
1257 | if ($first === false) { |
---|
1258 | throw new Dwoo_Compilation_Exception($this, 'Unexpected EOF, a template tag was not closed'); |
---|
1259 | } |
---|
1260 | |
---|
1261 | while ($first===" " || $first==="\n" || $first==="\t" || $first==="\r") { |
---|
1262 | if ($curBlock === 'root' && substr($in, $from, strlen($this->rd)) === $this->rd) { |
---|
1263 | // end template tag |
---|
1264 | $pointer += strlen($this->rd); |
---|
1265 | if ($this->debug) echo 'TEMPLATE PARSING ENDED<br />'; |
---|
1266 | return false; |
---|
1267 | } |
---|
1268 | $from++; |
---|
1269 | if ($pointer !== null) { |
---|
1270 | $pointer++; |
---|
1271 | } |
---|
1272 | if ($from >= $to) { |
---|
1273 | if (is_array($parsingParams)) { |
---|
1274 | return $parsingParams; |
---|
1275 | } else { |
---|
1276 | return ''; |
---|
1277 | } |
---|
1278 | } |
---|
1279 | $first = $in[$from]; |
---|
1280 | } |
---|
1281 | |
---|
1282 | $substr = substr($in, $from, $to-$from); |
---|
1283 | |
---|
1284 | if ($this->debug) echo '<br />PARSE CALL : PARSING "<b>'.htmlentities(substr($in, $from, min($to-$from, 50))).(($to-$from) > 50 ? '...':'').'</b>" @ '.$from.':'.$to.' in '.$curBlock.' : pointer='.$pointer.'<br/>'; |
---|
1285 | $parsed = ""; |
---|
1286 | |
---|
1287 | if ($curBlock === 'root' && $first === '*') { |
---|
1288 | $src = $this->getTemplateSource(); |
---|
1289 | $startpos = $this->getPointer() - strlen($this->ld); |
---|
1290 | if (substr($src, $startpos, strlen($this->ld)) === $this->ld) { |
---|
1291 | if ($startpos > 0) { |
---|
1292 | do { |
---|
1293 | $char = substr($src, --$startpos, 1); |
---|
1294 | if ($char == "\n") { |
---|
1295 | $startpos++; |
---|
1296 | $whitespaceStart = true; |
---|
1297 | break; |
---|
1298 | } |
---|
1299 | } while ($startpos > 0 && ($char == ' ' || $char == "\t")); |
---|
1300 | } |
---|
1301 | |
---|
1302 | if (!isset($whitespaceStart)) { |
---|
1303 | $startpos = $this->getPointer(); |
---|
1304 | } else { |
---|
1305 | $pointer -= $this->getPointer() - $startpos; |
---|
1306 | } |
---|
1307 | |
---|
1308 | if ($this->allowNestedComments && strpos($src, $this->ld.'*', $this->getPointer()) !== false) { |
---|
1309 | $comOpen = $this->ld.'*'; |
---|
1310 | $comClose = '*'.$this->rd; |
---|
1311 | $level = 1; |
---|
1312 | $start = $startpos; |
---|
1313 | $ptr = $this->getPointer() + '*'; |
---|
1314 | |
---|
1315 | while ($level > 0 && $ptr < strlen($src)) { |
---|
1316 | $open = strpos($src, $comOpen, $ptr); |
---|
1317 | $close = strpos($src, $comClose, $ptr); |
---|
1318 | |
---|
1319 | if ($open !== false && $close !== false) { |
---|
1320 | if ($open < $close) { |
---|
1321 | $ptr = $open + strlen($comOpen); |
---|
1322 | $level++; |
---|
1323 | } else { |
---|
1324 | $ptr = $close + strlen($comClose); |
---|
1325 | $level--; |
---|
1326 | } |
---|
1327 | } elseif ($open !== false) { |
---|
1328 | $ptr = $open + strlen($comOpen); |
---|
1329 | $level++; |
---|
1330 | } elseif ($close !== false) { |
---|
1331 | $ptr = $close + strlen($comClose); |
---|
1332 | $level--; |
---|
1333 | } else { |
---|
1334 | $ptr = strlen($src); |
---|
1335 | } |
---|
1336 | } |
---|
1337 | $endpos = $ptr - strlen('*'.$this->rd); |
---|
1338 | } else { |
---|
1339 | $endpos = strpos($src, '*'.$this->rd, $startpos); |
---|
1340 | if ($endpos == false) { |
---|
1341 | throw new Dwoo_Compilation_Exception($this, 'Un-ended comment'); |
---|
1342 | } |
---|
1343 | } |
---|
1344 | $pointer += $endpos - $startpos + strlen('*'.$this->rd); |
---|
1345 | if (isset($whitespaceStart) && preg_match('#^[\t ]*\r?\n#', substr($src, $endpos+strlen('*'.$this->rd)), $m)) { |
---|
1346 | $pointer += strlen($m[0]); |
---|
1347 | $this->curBlock['buffer'] = substr($this->curBlock['buffer'], 0, strlen($this->curBlock['buffer']) - ($this->getPointer() - $startpos - strlen($this->ld))); |
---|
1348 | } |
---|
1349 | return false; |
---|
1350 | } |
---|
1351 | } |
---|
1352 | |
---|
1353 | if ($first==='$') { |
---|
1354 | // var |
---|
1355 | $out = $this->parseVar($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1356 | $parsed = 'var'; |
---|
1357 | } elseif ($first==='%' && preg_match('#^%[a-z_]#i', $substr)) { |
---|
1358 | // const |
---|
1359 | $out = $this->parseConst($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1360 | } elseif (($first==='"' || $first==="'") && !(is_array($parsingParams) && preg_match('#^([\'"])[a-z0-9_]+\1\s*=>?(?:\s+|[^=])#i', $substr))) { |
---|
1361 | // string |
---|
1362 | $out = $this->parseString($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1363 | } elseif (preg_match('/^\\\\?[a-z_](?:\\\\?[a-z0-9_]+)*(?:::[a-z_][a-z0-9_]*)?('.(is_array($parsingParams)||$curBlock!='root'?'':'\s+[^(]|').'\s*\(|\s*'.$this->rdr.'|\s*;)/i', $substr)) { |
---|
1364 | // func |
---|
1365 | $out = $this->parseFunction($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1366 | $parsed = 'func'; |
---|
1367 | } elseif ($first === ';') { |
---|
1368 | // instruction end |
---|
1369 | if ($this->debug) echo 'END OF INSTRUCTION<br />'; |
---|
1370 | if ($pointer !== null) { |
---|
1371 | $pointer++; |
---|
1372 | } |
---|
1373 | return $this->parse($in, $from+1, $to, false, 'root', $pointer); |
---|
1374 | } elseif ($curBlock === 'root' && preg_match('#^/([a-z_][a-z0-9_]*)?#i', $substr, $match)) { |
---|
1375 | // close block |
---|
1376 | if (!empty($match[1]) && $match[1] == 'else') { |
---|
1377 | throw new Dwoo_Compilation_Exception($this, 'Else blocks must not be closed explicitly, they are automatically closed when their parent block is closed'); |
---|
1378 | } |
---|
1379 | if (!empty($match[1]) && $match[1] == 'elseif') { |
---|
1380 | throw new Dwoo_Compilation_Exception($this, 'Elseif blocks must not be closed explicitly, they are automatically closed when their parent block is closed or a new else/elseif block is declared after them'); |
---|
1381 | } |
---|
1382 | if ($pointer !== null) { |
---|
1383 | $pointer += strlen($match[0]); |
---|
1384 | } |
---|
1385 | if (empty($match[1])) { |
---|
1386 | if ($this->curBlock['type'] == 'else' || $this->curBlock['type'] == 'elseif') { |
---|
1387 | $pointer -= strlen($match[0]); |
---|
1388 | } |
---|
1389 | if ($this->debug) echo 'TOP BLOCK CLOSED<br />'; |
---|
1390 | return $this->removeTopBlock(); |
---|
1391 | } else { |
---|
1392 | if ($this->debug) echo 'BLOCK OF TYPE '.$match[1].' CLOSED<br />'; |
---|
1393 | return $this->removeBlock($match[1]); |
---|
1394 | } |
---|
1395 | } elseif ($curBlock === 'root' && substr($substr, 0, strlen($this->rd)) === $this->rd) { |
---|
1396 | // end template tag |
---|
1397 | if ($this->debug) echo 'TAG PARSING ENDED<br />'; |
---|
1398 | $pointer += strlen($this->rd); |
---|
1399 | return false; |
---|
1400 | } elseif (is_array($parsingParams) && preg_match('#^(([\'"]?)[a-z0-9_]+\2\s*='.($curBlock === 'array' ? '>?':'').')(?:\s+|[^=]).*#i', $substr, $match)) { |
---|
1401 | // named parameter |
---|
1402 | if ($this->debug) echo 'NAMED PARAM FOUND<br />'; |
---|
1403 | $len = strlen($match[1]); |
---|
1404 | while (substr($in, $from+$len, 1)===' ') { |
---|
1405 | $len++; |
---|
1406 | } |
---|
1407 | if ($pointer !== null) { |
---|
1408 | $pointer += $len; |
---|
1409 | } |
---|
1410 | |
---|
1411 | $output = array(trim($match[1], " \t\r\n=>'\""), $this->parse($in, $from+$len, $to, false, 'namedparam', $pointer)); |
---|
1412 | |
---|
1413 | $parsingParams[] = $output; |
---|
1414 | return $parsingParams; |
---|
1415 | } elseif (preg_match('#^(\\\\?[a-z_](?:\\\\?[a-z0-9_]+)*::\$[a-z0-9_]+)#i', $substr, $match)) { |
---|
1416 | // static member access |
---|
1417 | $parsed = 'var'; |
---|
1418 | if (is_array($parsingParams)) { |
---|
1419 | $parsingParams[] = array($match[1], $match[1]); |
---|
1420 | $out = $parsingParams; |
---|
1421 | } else { |
---|
1422 | $out = $match[1]; |
---|
1423 | } |
---|
1424 | $pointer += strlen($match[1]); |
---|
1425 | } elseif ($substr!=='' && (is_array($parsingParams) || $curBlock === 'namedparam' || $curBlock === 'condition' || $curBlock === 'expression')) { |
---|
1426 | // unquoted string, bool or number |
---|
1427 | $out = $this->parseOthers($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1428 | } else { |
---|
1429 | // parse error |
---|
1430 | throw new Dwoo_Compilation_Exception($this, 'Parse error in "'.substr($in, $from, $to-$from).'"'); |
---|
1431 | } |
---|
1432 | |
---|
1433 | if (empty($out)) { |
---|
1434 | return ''; |
---|
1435 | } |
---|
1436 | |
---|
1437 | $substr = substr($in, $pointer, $to-$pointer); |
---|
1438 | |
---|
1439 | // var parsed, check if any var-extension applies |
---|
1440 | if ($parsed==='var') { |
---|
1441 | if (preg_match('#^\s*([/%+*-])\s*([a-z0-9]|\$)#i', $substr, $match)) { |
---|
1442 | if($this->debug) echo 'PARSING POST-VAR EXPRESSION '.$substr.'<br />'; |
---|
1443 | // parse expressions |
---|
1444 | $pointer += strlen($match[0]) - 1; |
---|
1445 | if (is_array($parsingParams)) { |
---|
1446 | if ($match[2] == '$') { |
---|
1447 | $expr = $this->parseVar($in, $pointer, $to, array(), $curBlock, $pointer); |
---|
1448 | } else { |
---|
1449 | $expr = $this->parse($in, $pointer, $to, array(), 'expression', $pointer); |
---|
1450 | } |
---|
1451 | $out[count($out)-1][0] .= $match[1] . $expr[0][0]; |
---|
1452 | $out[count($out)-1][1] .= $match[1] . $expr[0][1]; |
---|
1453 | } else { |
---|
1454 | if ($match[2] == '$') { |
---|
1455 | $expr = $this->parseVar($in, $pointer, $to, false, $curBlock, $pointer); |
---|
1456 | } else { |
---|
1457 | $expr = $this->parse($in, $pointer, $to, false, 'expression', $pointer); |
---|
1458 | } |
---|
1459 | if (is_array($out) && is_array($expr)) { |
---|
1460 | $out[0] .= $match[1] . $expr[0]; |
---|
1461 | $out[1] .= $match[1] . $expr[1]; |
---|
1462 | } elseif (is_array($out)) { |
---|
1463 | $out[0] .= $match[1] . $expr; |
---|
1464 | $out[1] .= $match[1] . $expr; |
---|
1465 | } elseif (is_array($expr)) { |
---|
1466 | $out .= $match[1] . $expr[0]; |
---|
1467 | } else { |
---|
1468 | $out .= $match[1] . $expr; |
---|
1469 | } |
---|
1470 | } |
---|
1471 | } else if ($curBlock === 'root' && preg_match('#^(\s*(?:[+/*%-.]=|=|\+\+|--)\s*)(.*)#s', $substr, $match)) { |
---|
1472 | if($this->debug) echo 'PARSING POST-VAR ASSIGNMENT '.$substr.'<br />'; |
---|
1473 | // parse assignment |
---|
1474 | $value = $match[2]; |
---|
1475 | $operator = trim($match[1]); |
---|
1476 | if (substr($value, 0, 1) == '=') { |
---|
1477 | throw new Dwoo_Compilation_Exception($this, 'Unexpected "=" in <em>'.$substr.'</em>'); |
---|
1478 | } |
---|
1479 | |
---|
1480 | if ($pointer !== null) { |
---|
1481 | $pointer += strlen($match[1]); |
---|
1482 | } |
---|
1483 | |
---|
1484 | if ($operator !== '++' && $operator !== '--') { |
---|
1485 | $parts = array(); |
---|
1486 | $ptr = 0; |
---|
1487 | $parts = $this->parse($value, 0, strlen($value), $parts, 'condition', $ptr); |
---|
1488 | $pointer += $ptr; |
---|
1489 | |
---|
1490 | // load if plugin |
---|
1491 | try { |
---|
1492 | $this->getPluginType('if'); |
---|
1493 | } catch (Dwoo_Exception $e) { |
---|
1494 | throw new Dwoo_Compilation_Exception($this, 'Assignments require the "if" plugin to be accessible'); |
---|
1495 | } |
---|
1496 | |
---|
1497 | $parts = $this->mapParams($parts, array('Dwoo_Plugin_if', 'init'), 1); |
---|
1498 | $tokens = $this->getParamTokens($parts); |
---|
1499 | $parts = $this->getCompiledParams($parts); |
---|
1500 | |
---|
1501 | $value = Dwoo_Plugin_if::replaceKeywords($parts['*'], $tokens['*'], $this); |
---|
1502 | $echo = ''; |
---|
1503 | } else { |
---|
1504 | $value = array(); |
---|
1505 | $echo = 'echo '; |
---|
1506 | } |
---|
1507 | |
---|
1508 | if ($this->autoEscape) { |
---|
1509 | $out = preg_replace('#\(is_string\(\$tmp=(.+?)\) \? htmlspecialchars\(\$tmp, ENT_QUOTES, \$this->charset\) : \$tmp\)#', '$1', $out); |
---|
1510 | } |
---|
1511 | $out = Dwoo_Compiler::PHP_OPEN. $echo . $out . $operator . implode(' ', $value) . Dwoo_Compiler::PHP_CLOSE; |
---|
1512 | } else if ($curBlock === 'array' && is_array($parsingParams) && preg_match('#^(\s*=>?\s*)#', $substr, $match)) { |
---|
1513 | // parse namedparam with var as name (only for array) |
---|
1514 | if ($this->debug) echo 'VARIABLE NAMED PARAM (FOR ARRAY) FOUND<br />'; |
---|
1515 | $len = strlen($match[1]); |
---|
1516 | $var = $out[count($out)-1]; |
---|
1517 | $pointer += $len; |
---|
1518 | |
---|
1519 | $output = array($var[0], $this->parse($substr, $len, null, false, 'namedparam', $pointer)); |
---|
1520 | |
---|
1521 | $parsingParams[] = $output; |
---|
1522 | return $parsingParams; |
---|
1523 | } |
---|
1524 | } |
---|
1525 | |
---|
1526 | if ($curBlock !== 'modifier' && ($parsed === 'func' || $parsed === 'var') && preg_match('#^\|@?[a-z0-9_]+(:.*)?#i', $substr, $match)) { |
---|
1527 | // parse modifier on funcs or vars |
---|
1528 | $srcPointer = $pointer; |
---|
1529 | if (is_array($parsingParams)) { |
---|
1530 | $tmp = $this->replaceModifiers(array(null, null, $out[count($out)-1][0], $match[0]), 'var', $pointer); |
---|
1531 | $out[count($out)-1][0] = $tmp; |
---|
1532 | $out[count($out)-1][1] .= substr($substr, $srcPointer, $srcPointer - $pointer); |
---|
1533 | } else { |
---|
1534 | $out = $this->replaceModifiers(array(null, null, $out, $match[0]), 'var', $pointer); |
---|
1535 | } |
---|
1536 | } |
---|
1537 | |
---|
1538 | // func parsed, check if any func-extension applies |
---|
1539 | if ($parsed==='func' && preg_match('#^->[a-z0-9_]+(\s*\(.+|->[a-z_].*)?#is', $substr, $match)) { |
---|
1540 | // parse method call or property read |
---|
1541 | $ptr = 0; |
---|
1542 | |
---|
1543 | if (is_array($parsingParams)) { |
---|
1544 | $output = $this->parseMethodCall($out[count($out)-1][1], $match[0], $curBlock, $ptr); |
---|
1545 | |
---|
1546 | $out[count($out)-1][0] = $output; |
---|
1547 | $out[count($out)-1][1] .= substr($match[0], 0, $ptr); |
---|
1548 | } else { |
---|
1549 | $out = $this->parseMethodCall($out, $match[0], $curBlock, $ptr); |
---|
1550 | } |
---|
1551 | |
---|
1552 | $pointer += $ptr; |
---|
1553 | } |
---|
1554 | |
---|
1555 | if ($curBlock === 'root' && substr($out, 0, strlen(self::PHP_OPEN)) !== self::PHP_OPEN) { |
---|
1556 | return self::PHP_OPEN .'echo '.$out.';'. self::PHP_CLOSE; |
---|
1557 | } else { |
---|
1558 | return $out; |
---|
1559 | } |
---|
1560 | } |
---|
1561 | |
---|
1562 | /** |
---|
1563 | * parses a function call |
---|
1564 | * |
---|
1565 | * @param string $in the string within which we must parse something |
---|
1566 | * @param int $from the starting offset of the parsed area |
---|
1567 | * @param int $to the ending offset of the parsed area |
---|
1568 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
1569 | * @param string $curBlock the current parser-block being processed |
---|
1570 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
1571 | * @return string parsed values |
---|
1572 | */ |
---|
1573 | protected function parseFunction($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
1574 | { |
---|
1575 | $cmdstr = substr($in, $from, $to-$from); |
---|
1576 | preg_match('/^(\\\\?[a-z_](?:\\\\?[a-z0-9_]+)*(?:::[a-z_][a-z0-9_]*)?)(\s*'.$this->rdr.'|\s*;)?/i', $cmdstr, $match); |
---|
1577 | |
---|
1578 | if (empty($match[1])) { |
---|
1579 | throw new Dwoo_Compilation_Exception($this, 'Parse error, invalid function name : '.substr($cmdstr, 0, 15)); |
---|
1580 | } |
---|
1581 | |
---|
1582 | $func = $match[1]; |
---|
1583 | |
---|
1584 | if (!empty($match[2])) { |
---|
1585 | $cmdstr = $match[1]; |
---|
1586 | } |
---|
1587 | |
---|
1588 | if ($this->debug) echo 'FUNC FOUND ('.$func.')<br />'; |
---|
1589 | |
---|
1590 | $paramsep = ''; |
---|
1591 | |
---|
1592 | if (is_array($parsingParams) || $curBlock != 'root') { |
---|
1593 | $paramspos = strpos($cmdstr, '('); |
---|
1594 | $paramsep = ')'; |
---|
1595 | } elseif(preg_match_all('#^\s*[\\\\:a-z0-9_]+(\s*\(|\s+[^(])#i', $cmdstr, $match, PREG_OFFSET_CAPTURE)) { |
---|
1596 | $paramspos = $match[1][0][1]; |
---|
1597 | $paramsep = substr($match[1][0][0], -1) === '(' ? ')':''; |
---|
1598 | if($paramsep === ')') { |
---|
1599 | $paramspos += strlen($match[1][0][0]) - 1; |
---|
1600 | if(substr($cmdstr, 0, 2) === 'if' || substr($cmdstr, 0, 6) === 'elseif') { |
---|
1601 | $paramsep = ''; |
---|
1602 | if(strlen($match[1][0][0]) > 1) { |
---|
1603 | $paramspos--; |
---|
1604 | } |
---|
1605 | } |
---|
1606 | } |
---|
1607 | } else { |
---|
1608 | $paramspos = false; |
---|
1609 | } |
---|
1610 | |
---|
1611 | $state = 0; |
---|
1612 | |
---|
1613 | if ($paramspos === false) { |
---|
1614 | $params = array(); |
---|
1615 | |
---|
1616 | if ($curBlock !== 'root') { |
---|
1617 | return $this->parseOthers($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1618 | } |
---|
1619 | } else { |
---|
1620 | if ($curBlock === 'condition') { |
---|
1621 | // load if plugin |
---|
1622 | $this->getPluginType('if'); |
---|
1623 | |
---|
1624 | if (Dwoo_Plugin_if::replaceKeywords(array($func), array(self::T_UNQUOTED_STRING), $this) !== array($func)) { |
---|
1625 | return $this->parseOthers($in, $from, $to, $parsingParams, $curBlock, $pointer); |
---|
1626 | } |
---|
1627 | } |
---|
1628 | $whitespace = strlen(substr($cmdstr, strlen($func), $paramspos-strlen($func))); |
---|
1629 | $paramstr = substr($cmdstr, $paramspos+1); |
---|
1630 | if (substr($paramstr, -1, 1) === $paramsep) { |
---|
1631 | $paramstr = substr($paramstr, 0, -1); |
---|
1632 | } |
---|
1633 | |
---|
1634 | if (strlen($paramstr)===0) { |
---|
1635 | $params = array(); |
---|
1636 | $paramstr = ''; |
---|
1637 | } else { |
---|
1638 | $ptr = 0; |
---|
1639 | $params = array(); |
---|
1640 | if ($func === 'empty') { |
---|
1641 | $params = $this->parseVar($paramstr, $ptr, strlen($paramstr), $params, 'root', $ptr); |
---|
1642 | } else { |
---|
1643 | while ($ptr < strlen($paramstr)) { |
---|
1644 | while (true) { |
---|
1645 | if ($ptr >= strlen($paramstr)) { |
---|
1646 | break 2; |
---|
1647 | } |
---|
1648 | |
---|
1649 | if ($func !== 'if' && $func !== 'elseif' && $paramstr[$ptr] === ')') { |
---|
1650 | if ($this->debug) echo 'PARAM PARSING ENDED, ")" FOUND, POINTER AT '.$ptr.'<br/>'; |
---|
1651 | break 2; |
---|
1652 | } elseif ($paramstr[$ptr] === ';') { |
---|
1653 | $ptr++; |
---|
1654 | if ($this->debug) echo 'PARAM PARSING ENDED, ";" FOUND, POINTER AT '.$ptr.'<br/>'; |
---|
1655 | break 2; |
---|
1656 | } elseif ($func !== 'if' && $func !== 'elseif' && $paramstr[$ptr] === '/') { |
---|
1657 | if ($this->debug) echo 'PARAM PARSING ENDED, "/" FOUND, POINTER AT '.$ptr.'<br/>'; |
---|
1658 | break 2; |
---|
1659 | } elseif (substr($paramstr, $ptr, strlen($this->rd)) === $this->rd) { |
---|
1660 | if ($this->debug) echo 'PARAM PARSING ENDED, RIGHT DELIMITER FOUND, POINTER AT '.$ptr.'<br/>'; |
---|
1661 | break 2; |
---|
1662 | } |
---|
1663 | |
---|
1664 | if ($paramstr[$ptr] === ' ' || $paramstr[$ptr] === ',' || $paramstr[$ptr] === "\r" || $paramstr[$ptr] === "\n" || $paramstr[$ptr] === "\t") { |
---|
1665 | $ptr++; |
---|
1666 | } else { |
---|
1667 | break; |
---|
1668 | } |
---|
1669 | } |
---|
1670 | |
---|
1671 | if ($this->debug) echo 'FUNC START PARAM PARSING WITH POINTER AT '.$ptr.'<br/>'; |
---|
1672 | |
---|
1673 | if ($func === 'if' || $func === 'elseif' || $func === 'tif') { |
---|
1674 | $params = $this->parse($paramstr, $ptr, strlen($paramstr), $params, 'condition', $ptr); |
---|
1675 | } elseif ($func === 'array') { |
---|
1676 | $params = $this->parse($paramstr, $ptr, strlen($paramstr), $params, 'array', $ptr); |
---|
1677 | } else { |
---|
1678 | $params = $this->parse($paramstr, $ptr, strlen($paramstr), $params, 'function', $ptr); |
---|
1679 | } |
---|
1680 | |
---|
1681 | if ($this->debug) echo 'PARAM PARSED, POINTER AT '.$ptr.' ('.substr($paramstr, $ptr-1, 3).')<br/>'; |
---|
1682 | } |
---|
1683 | } |
---|
1684 | $paramstr = substr($paramstr, 0, $ptr); |
---|
1685 | $state = 0; |
---|
1686 | foreach ($params as $k=>$p) { |
---|
1687 | if (is_array($p) && is_array($p[1])) { |
---|
1688 | $state |= 2; |
---|
1689 | } else { |
---|
1690 | if (($state & 2) && preg_match('#^(["\'])(.+?)\1$#', $p[0], $m) && $func !== 'array') { |
---|
1691 | $params[$k] = array($m[2], array('true', 'true')); |
---|
1692 | } else { |
---|
1693 | if ($state & 2 && $func !== 'array') { |
---|
1694 | throw new Dwoo_Compilation_Exception($this, 'You can not use an unnamed parameter after a named one'); |
---|
1695 | } |
---|
1696 | $state |= 1; |
---|
1697 | } |
---|
1698 | } |
---|
1699 | } |
---|
1700 | } |
---|
1701 | } |
---|
1702 | |
---|
1703 | if ($pointer !== null) { |
---|
1704 | $pointer += (isset($paramstr) ? strlen($paramstr) : 0) + (')' === $paramsep ? 2 : ($paramspos === false ? 0 : 1)) + strlen($func) + (isset($whitespace) ? $whitespace : 0); |
---|
1705 | if ($this->debug) echo 'FUNC ADDS '.((isset($paramstr) ? strlen($paramstr) : 0) + (')' === $paramsep ? 2 : ($paramspos === false ? 0 : 1)) + strlen($func)).' TO POINTER<br/>'; |
---|
1706 | } |
---|
1707 | |
---|
1708 | if ($curBlock === 'method' || $func === 'do' || strstr($func, '::') !== false) { |
---|
1709 | // handle static method calls with security policy |
---|
1710 | if (strstr($func, '::') !== false && $this->securityPolicy !== null && $this->securityPolicy->isMethodAllowed(explode('::', strtolower($func))) !== true) { |
---|
1711 | throw new Dwoo_Security_Exception('Call to a disallowed php function : '.$func); |
---|
1712 | } |
---|
1713 | $pluginType = Dwoo::NATIVE_PLUGIN; |
---|
1714 | } else { |
---|
1715 | $pluginType = $this->getPluginType($func); |
---|
1716 | } |
---|
1717 | |
---|
1718 | // blocks |
---|
1719 | if ($pluginType & Dwoo_Core::BLOCK_PLUGIN) { |
---|
1720 | if ($curBlock !== 'root' || is_array($parsingParams)) { |
---|
1721 | throw new Dwoo_Compilation_Exception($this, 'Block plugins can not be used as other plugin\'s arguments'); |
---|
1722 | } |
---|
1723 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1724 | return $this->addCustomBlock($func, $params, $state); |
---|
1725 | } else { |
---|
1726 | return $this->addBlock($func, $params, $state); |
---|
1727 | } |
---|
1728 | } elseif ($pluginType & Dwoo_Core::SMARTY_BLOCK) { |
---|
1729 | if ($curBlock !== 'root' || is_array($parsingParams)) { |
---|
1730 | throw new Dwoo_Compilation_Exception($this, 'Block plugins can not be used as other plugin\'s arguments'); |
---|
1731 | } |
---|
1732 | |
---|
1733 | if ($state & 2) { |
---|
1734 | array_unshift($params, array('__functype', array($pluginType, $pluginType))); |
---|
1735 | array_unshift($params, array('__funcname', array($func, $func))); |
---|
1736 | } else { |
---|
1737 | array_unshift($params, array($pluginType, $pluginType)); |
---|
1738 | array_unshift($params, array($func, $func)); |
---|
1739 | } |
---|
1740 | |
---|
1741 | return $this->addBlock('smartyinterface', $params, $state); |
---|
1742 | } |
---|
1743 | |
---|
1744 | // funcs |
---|
1745 | if ($pluginType & Dwoo_Core::NATIVE_PLUGIN || $pluginType & Dwoo_Core::SMARTY_FUNCTION || $pluginType & Dwoo_Core::SMARTY_BLOCK) { |
---|
1746 | $params = $this->mapParams($params, null, $state); |
---|
1747 | } elseif ($pluginType & Dwoo_Core::CLASS_PLUGIN) { |
---|
1748 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1749 | $params = $this->mapParams($params, array($this->customPlugins[$func]['class'], $this->customPlugins[$func]['function']), $state); |
---|
1750 | } else { |
---|
1751 | $params = $this->mapParams($params, array('Dwoo_Plugin_'.$func, ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) ? 'compile' : 'process'), $state); |
---|
1752 | } |
---|
1753 | } elseif ($pluginType & Dwoo_Core::FUNC_PLUGIN) { |
---|
1754 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1755 | $params = $this->mapParams($params, $this->customPlugins[$func]['callback'], $state); |
---|
1756 | } else { |
---|
1757 | $params = $this->mapParams($params, 'Dwoo_Plugin_'.$func.(($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) ? '_compile' : ''), $state); |
---|
1758 | } |
---|
1759 | } elseif ($pluginType & Dwoo_Core::SMARTY_MODIFIER) { |
---|
1760 | $output = 'smarty_modifier_'.$func.'('.implode(', ', $params).')'; |
---|
1761 | } elseif ($pluginType & Dwoo_Core::PROXY_PLUGIN) { |
---|
1762 | $params = $this->mapParams($params, $this->getDwoo()->getPluginProxy()->getCallback($func), $state); |
---|
1763 | } elseif ($pluginType & Dwoo_Core::TEMPLATE_PLUGIN) { |
---|
1764 | // transforms the parameter array from (x=>array('paramname'=>array(values))) to (paramname=>array(values)) |
---|
1765 | $map = array(); |
---|
1766 | foreach ($this->templatePlugins[$func]['params'] as $param=>$defValue) { |
---|
1767 | if ($param == 'rest') { |
---|
1768 | $param = '*'; |
---|
1769 | } |
---|
1770 | $hasDefault = $defValue !== null; |
---|
1771 | if ($defValue === 'null') { |
---|
1772 | $defValue = null; |
---|
1773 | } elseif ($defValue === 'false') { |
---|
1774 | $defValue = false; |
---|
1775 | } elseif ($defValue === 'true') { |
---|
1776 | $defValue = true; |
---|
1777 | } elseif (preg_match('#^([\'"]).*?\1$#', $defValue)) { |
---|
1778 | $defValue = substr($defValue, 1, -1); |
---|
1779 | } |
---|
1780 | $map[] = array($param, $hasDefault, $defValue); |
---|
1781 | } |
---|
1782 | |
---|
1783 | $params = $this->mapParams($params, null, $state, $map); |
---|
1784 | } |
---|
1785 | |
---|
1786 | // only keep php-syntax-safe values for non-block plugins |
---|
1787 | $tokens = array(); |
---|
1788 | foreach ($params as $k => $p) { |
---|
1789 | $tokens[$k] = isset($p[2]) ? $p[2] : 0; |
---|
1790 | $params[$k] = $p[0]; |
---|
1791 | } |
---|
1792 | if ($pluginType & Dwoo_Core::NATIVE_PLUGIN) { |
---|
1793 | if ($func === 'do') { |
---|
1794 | if (isset($params['*'])) { |
---|
1795 | $output = implode(';', $params['*']).';'; |
---|
1796 | } else { |
---|
1797 | $output = ''; |
---|
1798 | } |
---|
1799 | |
---|
1800 | if (is_array($parsingParams) || $curBlock !== 'root') { |
---|
1801 | throw new Dwoo_Compilation_Exception($this, 'Do can not be used inside another function or block'); |
---|
1802 | } else { |
---|
1803 | return self::PHP_OPEN.$output.self::PHP_CLOSE; |
---|
1804 | } |
---|
1805 | } else { |
---|
1806 | if (isset($params['*'])) { |
---|
1807 | $output = $func.'('.implode(', ', $params['*']).')'; |
---|
1808 | } else { |
---|
1809 | $output = $func.'()'; |
---|
1810 | } |
---|
1811 | } |
---|
1812 | } elseif ($pluginType & Dwoo_Core::FUNC_PLUGIN) { |
---|
1813 | if ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) { |
---|
1814 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1815 | $funcCompiler = $this->customPlugins[$func]['callback']; |
---|
1816 | } else { |
---|
1817 | $funcCompiler = 'Dwoo_Plugin_'.$func.'_compile'; |
---|
1818 | } |
---|
1819 | array_unshift($params, $this); |
---|
1820 | if ($func === 'tif') { |
---|
1821 | $params[] = $tokens; |
---|
1822 | } |
---|
1823 | $output = call_user_func_array($funcCompiler, $params); |
---|
1824 | } else { |
---|
1825 | array_unshift($params, '$this'); |
---|
1826 | $params = self::implode_r($params); |
---|
1827 | |
---|
1828 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1829 | $callback = $this->customPlugins[$func]['callback']; |
---|
1830 | $output = 'call_user_func(\''.$callback.'\', '.$params.')'; |
---|
1831 | } else { |
---|
1832 | $output = 'Dwoo_Plugin_'.$func.'('.$params.')'; |
---|
1833 | } |
---|
1834 | } |
---|
1835 | } elseif ($pluginType & Dwoo_Core::CLASS_PLUGIN) { |
---|
1836 | if ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) { |
---|
1837 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1838 | $callback = $this->customPlugins[$func]['callback']; |
---|
1839 | if (!is_array($callback)) { |
---|
1840 | if (!method_exists($callback, 'compile')) { |
---|
1841 | throw new Dwoo_Exception('Custom plugin '.$func.' must implement the "compile" method to be compilable, or you should provide a full callback to the method to use'); |
---|
1842 | } |
---|
1843 | if (($ref = new ReflectionMethod($callback, 'compile')) && $ref->isStatic()) { |
---|
1844 | $funcCompiler = array($callback, 'compile'); |
---|
1845 | } else { |
---|
1846 | $funcCompiler = array(new $callback, 'compile'); |
---|
1847 | } |
---|
1848 | } else { |
---|
1849 | $funcCompiler = $callback; |
---|
1850 | } |
---|
1851 | } else { |
---|
1852 | $funcCompiler = array('Dwoo_Plugin_'.$func, 'compile'); |
---|
1853 | array_unshift($params, $this); |
---|
1854 | } |
---|
1855 | $output = call_user_func_array($funcCompiler, $params); |
---|
1856 | } else { |
---|
1857 | $params = self::implode_r($params); |
---|
1858 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1859 | $callback = $this->customPlugins[$func]['callback']; |
---|
1860 | if (!is_array($callback)) { |
---|
1861 | if (!method_exists($callback, 'process')) { |
---|
1862 | throw new Dwoo_Exception('Custom plugin '.$func.' must implement the "process" method to be usable, or you should provide a full callback to the method to use'); |
---|
1863 | } |
---|
1864 | if (($ref = new ReflectionMethod($callback, 'process')) && $ref->isStatic()) { |
---|
1865 | $output = 'call_user_func(array(\''.$callback.'\', \'process\'), '.$params.')'; |
---|
1866 | } else { |
---|
1867 | $output = 'call_user_func(array($this->getObjectPlugin(\''.$callback.'\'), \'process\'), '.$params.')'; |
---|
1868 | } |
---|
1869 | } elseif (is_object($callback[0])) { |
---|
1870 | $output = 'call_user_func(array($this->plugins[\''.$func.'\'][\'callback\'][0], \''.$callback[1].'\'), '.$params.')'; |
---|
1871 | } elseif (($ref = new ReflectionMethod($callback[0], $callback[1])) && $ref->isStatic()) { |
---|
1872 | $output = 'call_user_func(array(\''.$callback[0].'\', \''.$callback[1].'\'), '.$params.')'; |
---|
1873 | } else { |
---|
1874 | $output = 'call_user_func(array($this->getObjectPlugin(\''.$callback[0].'\'), \''.$callback[1].'\'), '.$params.')'; |
---|
1875 | } |
---|
1876 | if (empty($params)) { |
---|
1877 | $output = substr($output, 0, -3).')'; |
---|
1878 | } |
---|
1879 | } else { |
---|
1880 | $output = '$this->classCall(\''.$func.'\', array('.$params.'))'; |
---|
1881 | } |
---|
1882 | } |
---|
1883 | } elseif ($pluginType & Dwoo_Core::PROXY_PLUGIN) { |
---|
1884 | $output = call_user_func(array($this->dwoo->getPluginProxy(), 'getCode'), $func, $params); |
---|
1885 | } elseif ($pluginType & Dwoo_Core::SMARTY_FUNCTION) { |
---|
1886 | if (isset($params['*'])) { |
---|
1887 | $params = self::implode_r($params['*'], true); |
---|
1888 | } else { |
---|
1889 | $params = ''; |
---|
1890 | } |
---|
1891 | |
---|
1892 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
1893 | $callback = $this->customPlugins[$func]['callback']; |
---|
1894 | if (is_array($callback)) { |
---|
1895 | if (is_object($callback[0])) { |
---|
1896 | $output = 'call_user_func_array(array($this->plugins[\''.$func.'\'][\'callback\'][0], \''.$callback[1].'\'), array(array('.$params.'), $this))'; |
---|
1897 | } else { |
---|
1898 | $output = 'call_user_func_array(array(\''.$callback[0].'\', \''.$callback[1].'\'), array(array('.$params.'), $this))'; |
---|
1899 | } |
---|
1900 | } else { |
---|
1901 | $output = $callback.'(array('.$params.'), $this)'; |
---|
1902 | } |
---|
1903 | } else { |
---|
1904 | $output = 'smarty_function_'.$func.'(array('.$params.'), $this)'; |
---|
1905 | } |
---|
1906 | } elseif ($pluginType & Dwoo_Core::TEMPLATE_PLUGIN) { |
---|
1907 | array_unshift($params, '$this'); |
---|
1908 | $params = self::implode_r($params); |
---|
1909 | $output = 'Dwoo_Plugin_'.$func.'_'.$this->templatePlugins[$func]['uuid'].'('.$params.')'; |
---|
1910 | $this->templatePlugins[$func]['called'] = true; |
---|
1911 | } |
---|
1912 | |
---|
1913 | if (is_array($parsingParams)) { |
---|
1914 | $parsingParams[] = array($output, $output); |
---|
1915 | return $parsingParams; |
---|
1916 | } elseif ($curBlock === 'namedparam') { |
---|
1917 | return array($output, $output); |
---|
1918 | } else { |
---|
1919 | return $output; |
---|
1920 | } |
---|
1921 | } |
---|
1922 | |
---|
1923 | /** |
---|
1924 | * parses a string |
---|
1925 | * |
---|
1926 | * @param string $in the string within which we must parse something |
---|
1927 | * @param int $from the starting offset of the parsed area |
---|
1928 | * @param int $to the ending offset of the parsed area |
---|
1929 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
1930 | * @param string $curBlock the current parser-block being processed |
---|
1931 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
1932 | * @return string parsed values |
---|
1933 | */ |
---|
1934 | protected function parseString($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
1935 | { |
---|
1936 | $substr = substr($in, $from, $to-$from); |
---|
1937 | $first = $substr[0]; |
---|
1938 | |
---|
1939 | if ($this->debug) echo 'STRING FOUND (in '.htmlentities(substr($in, $from, min($to-$from, 50))).(($to-$from) > 50 ? '...':'').')<br />'; |
---|
1940 | $strend = false; |
---|
1941 | $o = $from+1; |
---|
1942 | while ($strend === false) { |
---|
1943 | $strend = strpos($in, $first, $o); |
---|
1944 | if ($strend === false) { |
---|
1945 | throw new Dwoo_Compilation_Exception($this, 'Unfinished string, started with '.substr($in, $from, $to-$from)); |
---|
1946 | } |
---|
1947 | if (substr($in, $strend-1, 1) === '\\') { |
---|
1948 | $o = $strend+1; |
---|
1949 | $strend = false; |
---|
1950 | } |
---|
1951 | } |
---|
1952 | if ($this->debug) echo 'STRING DELIMITED: '.substr($in, $from, $strend+1-$from).'<br/>'; |
---|
1953 | |
---|
1954 | $srcOutput = substr($in, $from, $strend+1-$from); |
---|
1955 | |
---|
1956 | if ($pointer !== null) { |
---|
1957 | $pointer += strlen($srcOutput); |
---|
1958 | } |
---|
1959 | |
---|
1960 | $output = $this->replaceStringVars($srcOutput, $first); |
---|
1961 | |
---|
1962 | // handle modifiers |
---|
1963 | if ($curBlock !== 'modifier' && preg_match('#^((?:\|(?:@?[a-z0-9_]+(?::.*)*))+)#i', substr($substr, $strend+1-$from), $match)) { |
---|
1964 | $modstr = $match[1]; |
---|
1965 | |
---|
1966 | if ($curBlock === 'root' && substr($modstr, -1) === '}') { |
---|
1967 | $modstr = substr($modstr, 0, -1); |
---|
1968 | } |
---|
1969 | $modstr = str_replace('\\'.$first, $first, $modstr); |
---|
1970 | $ptr = 0; |
---|
1971 | $output = $this->replaceModifiers(array(null, null, $output, $modstr), 'string', $ptr); |
---|
1972 | |
---|
1973 | $strend += $ptr; |
---|
1974 | if ($pointer !== null) { |
---|
1975 | $pointer += $ptr; |
---|
1976 | } |
---|
1977 | $srcOutput .= substr($substr, $strend+1-$from, $ptr); |
---|
1978 | } |
---|
1979 | |
---|
1980 | if (is_array($parsingParams)) { |
---|
1981 | $parsingParams[] = array($output, substr($srcOutput, 1, -1)); |
---|
1982 | return $parsingParams; |
---|
1983 | } elseif ($curBlock === 'namedparam') { |
---|
1984 | return array($output, substr($srcOutput, 1, -1)); |
---|
1985 | } else { |
---|
1986 | return $output; |
---|
1987 | } |
---|
1988 | } |
---|
1989 | |
---|
1990 | /** |
---|
1991 | * parses a constant |
---|
1992 | * |
---|
1993 | * @param string $in the string within which we must parse something |
---|
1994 | * @param int $from the starting offset of the parsed area |
---|
1995 | * @param int $to the ending offset of the parsed area |
---|
1996 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
1997 | * @param string $curBlock the current parser-block being processed |
---|
1998 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
1999 | * @return string parsed values |
---|
2000 | */ |
---|
2001 | protected function parseConst($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
2002 | { |
---|
2003 | $substr = substr($in, $from, $to-$from); |
---|
2004 | |
---|
2005 | if ($this->debug) { |
---|
2006 | echo 'CONST FOUND : '.$substr.'<br />'; |
---|
2007 | } |
---|
2008 | |
---|
2009 | if (!preg_match('#^%([a-z0-9_:]+)#i', $substr, $m)) { |
---|
2010 | throw new Dwoo_Compilation_Exception($this, 'Invalid constant'); |
---|
2011 | } |
---|
2012 | |
---|
2013 | if ($pointer !== null) { |
---|
2014 | $pointer += strlen($m[0]); |
---|
2015 | } |
---|
2016 | |
---|
2017 | $output = $this->parseConstKey($m[1], $curBlock); |
---|
2018 | |
---|
2019 | if (is_array($parsingParams)) { |
---|
2020 | $parsingParams[] = array($output, $m[1]); |
---|
2021 | return $parsingParams; |
---|
2022 | } elseif ($curBlock === 'namedparam') { |
---|
2023 | return array($output, $m[1]); |
---|
2024 | } else { |
---|
2025 | return $output; |
---|
2026 | } |
---|
2027 | } |
---|
2028 | |
---|
2029 | /** |
---|
2030 | * parses a constant |
---|
2031 | * |
---|
2032 | * @param string $key the constant to parse |
---|
2033 | * @param string $curBlock the current parser-block being processed |
---|
2034 | * @return string parsed constant |
---|
2035 | */ |
---|
2036 | protected function parseConstKey($key, $curBlock) |
---|
2037 | { |
---|
2038 | if ($this->securityPolicy !== null && $this->securityPolicy->getConstantHandling() === Dwoo_Security_Policy::CONST_DISALLOW) { |
---|
2039 | return 'null'; |
---|
2040 | } |
---|
2041 | |
---|
2042 | if ($curBlock !== 'root') { |
---|
2043 | $output = '(defined("'.$key.'") ? '.$key.' : null)'; |
---|
2044 | } else { |
---|
2045 | $output = $key; |
---|
2046 | } |
---|
2047 | |
---|
2048 | return $output; |
---|
2049 | } |
---|
2050 | |
---|
2051 | /** |
---|
2052 | * parses a variable |
---|
2053 | * |
---|
2054 | * @param string $in the string within which we must parse something |
---|
2055 | * @param int $from the starting offset of the parsed area |
---|
2056 | * @param int $to the ending offset of the parsed area |
---|
2057 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
2058 | * @param string $curBlock the current parser-block being processed |
---|
2059 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
2060 | * @return string parsed values |
---|
2061 | */ |
---|
2062 | protected function parseVar($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
2063 | { |
---|
2064 | $substr = substr($in, $from, $to-$from); |
---|
2065 | |
---|
2066 | if (preg_match('#(\$?\.?[a-z0-9_:]*(?:(?:(?:\.|->)(?:[a-z0-9_:]+|(?R))|\[(?:[a-z0-9_:]+|(?R)|(["\'])[^\2]*?\2)\]))*)' . // var key |
---|
2067 | ($curBlock==='root' || $curBlock==='function' || $curBlock==='namedparam' || $curBlock==='condition' || $curBlock==='variable' || $curBlock==='expression' ? '(\(.*)?' : '()') . // method call |
---|
2068 | ($curBlock==='root' || $curBlock==='function' || $curBlock==='namedparam' || $curBlock==='condition' || $curBlock==='variable' || $curBlock==='delimited_string' ? '((?:(?:[+/*%=-])(?:(?<!=)=?-?[$%][a-z0-9.[\]>_:-]+(?:\([^)]*\))?|(?<!=)=?-?[0-9.,]*|[+-]))*)':'()') . // simple math expressions |
---|
2069 | ($curBlock!=='modifier' ? '((?:\|(?:@?[a-z0-9_]+(?:(?::("|\').*?\5|:[^`]*))*))+)?':'(())') . // modifiers |
---|
2070 | '#i', $substr, $match)) { |
---|
2071 | $key = substr($match[1], 1); |
---|
2072 | |
---|
2073 | $matchedLength = strlen($match[0]); |
---|
2074 | $hasModifiers = !empty($match[5]); |
---|
2075 | $hasExpression = !empty($match[4]); |
---|
2076 | $hasMethodCall = !empty($match[3]); |
---|
2077 | |
---|
2078 | if (substr($key, -1) == ".") { |
---|
2079 | $key = substr($key, 0, -1); |
---|
2080 | $matchedLength--; |
---|
2081 | } |
---|
2082 | |
---|
2083 | if ($hasMethodCall) { |
---|
2084 | $matchedLength -= strlen($match[3]) + strlen(substr($match[1], strrpos($match[1], '->'))); |
---|
2085 | $key = substr($match[1], 1, strrpos($match[1], '->')-1); |
---|
2086 | $methodCall = substr($match[1], strrpos($match[1], '->')) . $match[3]; |
---|
2087 | } |
---|
2088 | |
---|
2089 | if ($hasModifiers) { |
---|
2090 | $matchedLength -= strlen($match[5]); |
---|
2091 | } |
---|
2092 | |
---|
2093 | if ($pointer !== null) { |
---|
2094 | $pointer += $matchedLength; |
---|
2095 | } |
---|
2096 | |
---|
2097 | // replace useless brackets by dot accessed vars and strip enclosing quotes if present |
---|
2098 | $key = preg_replace('#\[(["\']?)([^$%\[.>-]+)\1\]#', '.$2', $key); |
---|
2099 | |
---|
2100 | if ($this->debug) { |
---|
2101 | if ($hasMethodCall) { |
---|
2102 | echo 'METHOD CALL FOUND : $'.$key.substr($methodCall, 0, 30).'<br />'; |
---|
2103 | } else { |
---|
2104 | echo 'VAR FOUND : $'.$key.'<br />'; |
---|
2105 | } |
---|
2106 | } |
---|
2107 | |
---|
2108 | $key = str_replace('"', '\\"', $key); |
---|
2109 | |
---|
2110 | $cnt=substr_count($key, '$'); |
---|
2111 | if ($cnt > 0) { |
---|
2112 | $uid = 0; |
---|
2113 | $parsed = array($uid => ''); |
---|
2114 | $current =& $parsed; |
---|
2115 | $curTxt =& $parsed[$uid++]; |
---|
2116 | $tree = array(); |
---|
2117 | $chars = str_split($key, 1); |
---|
2118 | $inSplittedVar = false; |
---|
2119 | $bracketCount = 0; |
---|
2120 | |
---|
2121 | while (($char = array_shift($chars)) !== null) { |
---|
2122 | if ($char === '[') { |
---|
2123 | if (count($tree) > 0) { |
---|
2124 | $bracketCount++; |
---|
2125 | } else { |
---|
2126 | $tree[] =& $current; |
---|
2127 | $current[$uid] = array($uid+1 => ''); |
---|
2128 | $current =& $current[$uid++]; |
---|
2129 | $curTxt =& $current[$uid++]; |
---|
2130 | continue; |
---|
2131 | } |
---|
2132 | } elseif ($char === ']') { |
---|
2133 | if ($bracketCount > 0) { |
---|
2134 | $bracketCount--; |
---|
2135 | } else { |
---|
2136 | $current =& $tree[count($tree)-1]; |
---|
2137 | array_pop($tree); |
---|
2138 | if (current($chars) !== '[' && current($chars) !== false && current($chars) !== ']') { |
---|
2139 | $current[$uid] = ''; |
---|
2140 | $curTxt =& $current[$uid++]; |
---|
2141 | } |
---|
2142 | continue; |
---|
2143 | } |
---|
2144 | } elseif ($char === '$') { |
---|
2145 | if (count($tree) == 0) { |
---|
2146 | $curTxt =& $current[$uid++]; |
---|
2147 | $inSplittedVar = true; |
---|
2148 | } |
---|
2149 | } elseif (($char === '.' || $char === '-') && count($tree) == 0 && $inSplittedVar) { |
---|
2150 | $curTxt =& $current[$uid++]; |
---|
2151 | $inSplittedVar = false; |
---|
2152 | } |
---|
2153 | |
---|
2154 | $curTxt .= $char; |
---|
2155 | } |
---|
2156 | unset($uid, $current, $curTxt, $tree, $chars); |
---|
2157 | |
---|
2158 | if ($this->debug) echo 'RECURSIVE VAR REPLACEMENT : '.$key.'<br>'; |
---|
2159 | |
---|
2160 | $key = $this->flattenVarTree($parsed); |
---|
2161 | |
---|
2162 | if ($this->debug) echo 'RECURSIVE VAR REPLACEMENT DONE : '.$key.'<br>'; |
---|
2163 | |
---|
2164 | $output = preg_replace('#(^""\.|""\.|\.""$|(\()""\.|\.""(\)))#', '$2$3', '$this->readVar("'.$key.'")'); |
---|
2165 | } else { |
---|
2166 | $output = $this->parseVarKey($key, $hasModifiers ? 'modifier' : $curBlock); |
---|
2167 | } |
---|
2168 | |
---|
2169 | // methods |
---|
2170 | if ($hasMethodCall) { |
---|
2171 | $ptr = 0; |
---|
2172 | |
---|
2173 | $output = $this->parseMethodCall($output, $methodCall, $curBlock, $ptr); |
---|
2174 | |
---|
2175 | if ($pointer !== null) { |
---|
2176 | $pointer += $ptr; |
---|
2177 | } |
---|
2178 | $matchedLength += $ptr; |
---|
2179 | } |
---|
2180 | |
---|
2181 | if ($hasExpression) { |
---|
2182 | // expressions |
---|
2183 | preg_match_all('#(?:([+/*%=-])(=?-?[%$][a-z0-9.[\]>_:-]+(?:\([^)]*\))?|=?-?[0-9.,]+|\1))#i', $match[4], $expMatch); |
---|
2184 | |
---|
2185 | foreach ($expMatch[1] as $k=>$operator) { |
---|
2186 | if (substr($expMatch[2][$k], 0, 1)==='=') { |
---|
2187 | $assign = true; |
---|
2188 | if ($operator === '=') { |
---|
2189 | throw new Dwoo_Compilation_Exception($this, 'Invalid expression <em>'.$substr.'</em>, can not use "==" in expressions'); |
---|
2190 | } |
---|
2191 | if ($curBlock !== 'root') { |
---|
2192 | throw new Dwoo_Compilation_Exception($this, 'Invalid expression <em>'.$substr.'</em>, assignments can only be used in top level expressions like {$foo+=3} or {$foo="bar"}'); |
---|
2193 | } |
---|
2194 | $operator .= '='; |
---|
2195 | $expMatch[2][$k] = substr($expMatch[2][$k], 1); |
---|
2196 | } |
---|
2197 | |
---|
2198 | if (substr($expMatch[2][$k], 0, 1)==='-' && strlen($expMatch[2][$k]) > 1) { |
---|
2199 | $operator .= '-'; |
---|
2200 | $expMatch[2][$k] = substr($expMatch[2][$k], 1); |
---|
2201 | } |
---|
2202 | if (($operator==='+'||$operator==='-') && $expMatch[2][$k]===$operator) { |
---|
2203 | $output = '('.$output.$operator.$operator.')'; |
---|
2204 | break; |
---|
2205 | } elseif (substr($expMatch[2][$k], 0, 1) === '$') { |
---|
2206 | $output = '('.$output.' '.$operator.' '.$this->parseVar($expMatch[2][$k], 0, strlen($expMatch[2][$k]), false, 'expression').')'; |
---|
2207 | } elseif (substr($expMatch[2][$k], 0, 1) === '%') { |
---|
2208 | $output = '('.$output.' '.$operator.' '.$this->parseConst($expMatch[2][$k], 0, strlen($expMatch[2][$k]), false, 'expression').')'; |
---|
2209 | } elseif (!empty($expMatch[2][$k])) { |
---|
2210 | $output = '('.$output.' '.$operator.' '.str_replace(',', '.', $expMatch[2][$k]).')'; |
---|
2211 | } else { |
---|
2212 | throw new Dwoo_Compilation_Exception($this, 'Unfinished expression <em>'.$substr.'</em>, missing var or number after math operator'); |
---|
2213 | } |
---|
2214 | } |
---|
2215 | } |
---|
2216 | |
---|
2217 | if ($this->autoEscape === true && $curBlock !== 'condition') { |
---|
2218 | $output = '(is_string($tmp='.$output.') ? htmlspecialchars($tmp, ENT_QUOTES, $this->charset) : $tmp)'; |
---|
2219 | } |
---|
2220 | |
---|
2221 | // handle modifiers |
---|
2222 | if ($curBlock !== 'modifier' && $hasModifiers) { |
---|
2223 | $ptr = 0; |
---|
2224 | $output = $this->replaceModifiers(array(null, null, $output, $match[5]), 'var', $ptr); |
---|
2225 | if ($pointer !== null) { |
---|
2226 | $pointer += $ptr; |
---|
2227 | } |
---|
2228 | $matchedLength += $ptr; |
---|
2229 | } |
---|
2230 | |
---|
2231 | if (is_array($parsingParams)) { |
---|
2232 | $parsingParams[] = array($output, $key); |
---|
2233 | return $parsingParams; |
---|
2234 | } elseif ($curBlock === 'namedparam') { |
---|
2235 | return array($output, $key); |
---|
2236 | } elseif ($curBlock === 'string' || $curBlock === 'delimited_string') { |
---|
2237 | return array($matchedLength, $output); |
---|
2238 | } elseif ($curBlock === 'expression' || $curBlock === 'variable') { |
---|
2239 | return $output; |
---|
2240 | } elseif (isset($assign)) { |
---|
2241 | return self::PHP_OPEN.$output.';'.self::PHP_CLOSE; |
---|
2242 | } else { |
---|
2243 | return $output; |
---|
2244 | } |
---|
2245 | } else { |
---|
2246 | if ($curBlock === 'string' || $curBlock === 'delimited_string') { |
---|
2247 | return array(0, ''); |
---|
2248 | } else { |
---|
2249 | throw new Dwoo_Compilation_Exception($this, 'Invalid variable name <em>'.$substr.'</em>'); |
---|
2250 | } |
---|
2251 | } |
---|
2252 | } |
---|
2253 | |
---|
2254 | /** |
---|
2255 | * parses any number of chained method calls/property reads |
---|
2256 | * |
---|
2257 | * @param string $output the variable or whatever upon which the method are called |
---|
2258 | * @param string $methodCall method call source, starting at "->" |
---|
2259 | * @param string $curBlock the current parser-block being processed |
---|
2260 | * @param int $pointer a reference to a pointer that will be increased by the amount of characters parsed |
---|
2261 | * @return string parsed call(s)/read(s) |
---|
2262 | */ |
---|
2263 | protected function parseMethodCall($output, $methodCall, $curBlock, &$pointer) |
---|
2264 | { |
---|
2265 | $ptr = 0; |
---|
2266 | $len = strlen($methodCall); |
---|
2267 | |
---|
2268 | while ($ptr < $len) { |
---|
2269 | if (strpos($methodCall, '->', $ptr) === $ptr) { |
---|
2270 | $ptr += 2; |
---|
2271 | } |
---|
2272 | |
---|
2273 | if (in_array($methodCall[$ptr], array(';', ',', '/', ' ', "\t", "\r", "\n", ')', '+', '*', '%', '=', '-', '|')) || substr($methodCall, $ptr, strlen($this->rd)) === $this->rd) { |
---|
2274 | // break char found |
---|
2275 | break; |
---|
2276 | } |
---|
2277 | |
---|
2278 | if(!preg_match('/^([a-z0-9_]+)(\(.*?\))?/i', substr($methodCall, $ptr), $methMatch)) { |
---|
2279 | throw new Dwoo_Compilation_Exception($this, 'Invalid method name : '.substr($methodCall, $ptr, 20)); |
---|
2280 | } |
---|
2281 | |
---|
2282 | if (empty($methMatch[2])) { |
---|
2283 | // property |
---|
2284 | if ($curBlock === 'root') { |
---|
2285 | $output .= '->'.$methMatch[1]; |
---|
2286 | } else { |
---|
2287 | $output = '(($tmp = '.$output.') ? $tmp->'.$methMatch[1].' : null)'; |
---|
2288 | } |
---|
2289 | $ptr += strlen($methMatch[1]); |
---|
2290 | } else { |
---|
2291 | // method |
---|
2292 | if (substr($methMatch[2], 0, 2) === '()') { |
---|
2293 | $parsedCall = $methMatch[1].'()'; |
---|
2294 | $ptr += strlen($methMatch[1]) + 2; |
---|
2295 | } else { |
---|
2296 | $parsedCall = $this->parseFunction($methodCall, $ptr, strlen($methodCall), false, 'method', $ptr); |
---|
2297 | } |
---|
2298 | if ($this->securityPolicy !== null) { |
---|
2299 | $argPos = strpos($parsedCall, '('); |
---|
2300 | $method = strtolower(substr($parsedCall, 0, $argPos)); |
---|
2301 | $args = substr($parsedCall, $argPos); |
---|
2302 | if ($curBlock === 'root') { |
---|
2303 | $output = '$this->getSecurityPolicy()->callMethod($this, '.$output.', '.var_export($method, true).', array'.$args.')'; |
---|
2304 | } else { |
---|
2305 | $output = '(($tmp = '.$output.') ? $this->getSecurityPolicy()->callMethod($this, $tmp, '.var_export($method, true).', array'.$args.') : null)'; |
---|
2306 | } |
---|
2307 | } else { |
---|
2308 | if ($curBlock === 'root') { |
---|
2309 | $output .= '->'.$parsedCall; |
---|
2310 | } else { |
---|
2311 | $output = '(($tmp = '.$output.') ? $tmp->'.$parsedCall.' : null)'; |
---|
2312 | } |
---|
2313 | } |
---|
2314 | } |
---|
2315 | } |
---|
2316 | |
---|
2317 | $pointer += $ptr; |
---|
2318 | return $output; |
---|
2319 | } |
---|
2320 | |
---|
2321 | /** |
---|
2322 | * parses a constant variable (a variable that doesn't contain another variable) and preprocesses it to save runtime processing time |
---|
2323 | * |
---|
2324 | * @param string $key the variable to parse |
---|
2325 | * @param string $curBlock the current parser-block being processed |
---|
2326 | * @return string parsed variable |
---|
2327 | */ |
---|
2328 | protected function parseVarKey($key, $curBlock) |
---|
2329 | { |
---|
2330 | if ($key === '') { |
---|
2331 | return '$this->scope'; |
---|
2332 | } |
---|
2333 | if (substr($key, 0, 1) === '.') { |
---|
2334 | $key = 'dwoo'.$key; |
---|
2335 | } |
---|
2336 | if (preg_match('#dwoo\.(get|post|server|cookies|session|env|request)((?:\.[a-z0-9_-]+)+)#i', $key, $m)) { |
---|
2337 | $global = strtoupper($m[1]); |
---|
2338 | if ($global === 'COOKIES') { |
---|
2339 | $global = 'COOKIE'; |
---|
2340 | } |
---|
2341 | $key = '$_'.$global; |
---|
2342 | foreach (explode('.', ltrim($m[2], '.')) as $part) |
---|
2343 | $key .= '['.var_export($part, true).']'; |
---|
2344 | if ($curBlock === 'root') { |
---|
2345 | $output = $key; |
---|
2346 | } else { |
---|
2347 | $output = '(isset('.$key.')?'.$key.':null)'; |
---|
2348 | } |
---|
2349 | } elseif (preg_match('#dwoo\.const\.([a-z0-9_:]+)#i', $key, $m)) { |
---|
2350 | return $this->parseConstKey($m[1], $curBlock); |
---|
2351 | } elseif ($this->scope !== null) { |
---|
2352 | if (strstr($key, '.') === false && strstr($key, '[') === false && strstr($key, '->') === false) { |
---|
2353 | if ($key === 'dwoo') { |
---|
2354 | $output = '$this->globals'; |
---|
2355 | } elseif ($key === '_root' || $key === '__') { |
---|
2356 | $output = '$this->data'; |
---|
2357 | } elseif ($key === '_parent' || $key === '_') { |
---|
2358 | $output = '$this->readParentVar(1)'; |
---|
2359 | } elseif ($key === '_key') { |
---|
2360 | $output = '$tmp_key'; |
---|
2361 | } else { |
---|
2362 | if ($curBlock === 'root') { |
---|
2363 | $output = '$this->scope["'.$key.'"]'; |
---|
2364 | } else { |
---|
2365 | $output = '(isset($this->scope["'.$key.'"]) ? $this->scope["'.$key.'"] : null)'; |
---|
2366 | } |
---|
2367 | } |
---|
2368 | } else { |
---|
2369 | preg_match_all('#(\[|->|\.)?((?:[a-z0-9_]|-(?!>))+|(\\\?[\'"])[^\3]*?\3)\]?#i', $key, $m); |
---|
2370 | |
---|
2371 | $i = $m[2][0]; |
---|
2372 | if ($i === '_parent' || $i === '_') { |
---|
2373 | $parentCnt = 0; |
---|
2374 | |
---|
2375 | while (true) { |
---|
2376 | $parentCnt++; |
---|
2377 | array_shift($m[2]); |
---|
2378 | array_shift($m[1]); |
---|
2379 | if (current($m[2]) === '_parent') { |
---|
2380 | continue; |
---|
2381 | } |
---|
2382 | break; |
---|
2383 | } |
---|
2384 | |
---|
2385 | $output = '$this->readParentVar('.$parentCnt.')'; |
---|
2386 | } else { |
---|
2387 | if ($i === 'dwoo') { |
---|
2388 | $output = '$this->globals'; |
---|
2389 | array_shift($m[2]); |
---|
2390 | array_shift($m[1]); |
---|
2391 | } elseif ($i === '_root' || $i === '__') { |
---|
2392 | $output = '$this->data'; |
---|
2393 | array_shift($m[2]); |
---|
2394 | array_shift($m[1]); |
---|
2395 | } elseif ($i === '_key') { |
---|
2396 | $output = '$tmp_key'; |
---|
2397 | } else { |
---|
2398 | $output = '$this->scope'; |
---|
2399 | } |
---|
2400 | |
---|
2401 | while (count($m[1]) && $m[1][0] !== '->') { |
---|
2402 | $m[2][0] = preg_replace('/(^\\\([\'"])|\\\([\'"])$)/x', '$2$3', $m[2][0]); |
---|
2403 | if(substr($m[2][0], 0, 1) == '"' || substr($m[2][0], 0, 1) == "'") { |
---|
2404 | $output .= '['.$m[2][0].']'; |
---|
2405 | } else { |
---|
2406 | $output .= '["'.$m[2][0].'"]'; |
---|
2407 | } |
---|
2408 | array_shift($m[2]); |
---|
2409 | array_shift($m[1]); |
---|
2410 | } |
---|
2411 | |
---|
2412 | if ($curBlock !== 'root') { |
---|
2413 | $output = '(isset('.$output.') ? '.$output.':null)'; |
---|
2414 | } |
---|
2415 | } |
---|
2416 | |
---|
2417 | if (count($m[2])) { |
---|
2418 | unset($m[0]); |
---|
2419 | $output = '$this->readVarInto('.str_replace("\n", '', var_export($m, true)).', '.$output.', '.($curBlock == 'root' ? 'false': 'true').')'; |
---|
2420 | } |
---|
2421 | } |
---|
2422 | } else { |
---|
2423 | preg_match_all('#(\[|->|\.)?((?:[a-z0-9_]|-(?!>))+)\]?#i', $key, $m); |
---|
2424 | unset($m[0]); |
---|
2425 | $output = '$this->readVar('.str_replace("\n", '', var_export($m, true)).')'; |
---|
2426 | } |
---|
2427 | |
---|
2428 | return $output; |
---|
2429 | } |
---|
2430 | |
---|
2431 | /** |
---|
2432 | * flattens a variable tree, this helps in parsing very complex variables such as $var.foo[$foo.bar->baz].baz, |
---|
2433 | * it computes the contents of the brackets first and works out from there |
---|
2434 | * |
---|
2435 | * @param array $tree the variable tree parsed by he parseVar() method that must be flattened |
---|
2436 | * @param bool $recursed leave that to false by default, it is only for internal use |
---|
2437 | * @return string flattened tree |
---|
2438 | */ |
---|
2439 | protected function flattenVarTree(array $tree, $recursed=false) |
---|
2440 | { |
---|
2441 | $out = $recursed ? '".$this->readVarInto(' : ''; |
---|
2442 | foreach ($tree as $bit) { |
---|
2443 | if (is_array($bit)) { |
---|
2444 | $out.='.'.$this->flattenVarTree($bit, false); |
---|
2445 | } else { |
---|
2446 | $key = str_replace('"', '\\"', $bit); |
---|
2447 | |
---|
2448 | if (substr($key, 0, 1)==='$') { |
---|
2449 | $out .= '".'.$this->parseVar($key, 0, strlen($key), false, 'variable').'."'; |
---|
2450 | } else { |
---|
2451 | $cnt = substr_count($key, '$'); |
---|
2452 | |
---|
2453 | if ($this->debug) echo 'PARSING SUBVARS IN : '.$key.'<br>'; |
---|
2454 | if ($cnt > 0) { |
---|
2455 | while (--$cnt >= 0) { |
---|
2456 | if (isset($last)) { |
---|
2457 | $last = strrpos($key, '$', - (strlen($key) - $last + 1)); |
---|
2458 | } else { |
---|
2459 | $last = strrpos($key, '$'); |
---|
2460 | } |
---|
2461 | preg_match('#\$[a-z0-9_]+((?:(?:\.|->)(?:[a-z0-9_]+|(?R))|\[(?:[a-z0-9_]+|(?R))\]))*'. |
---|
2462 | '((?:(?:[+/*%-])(?:\$[a-z0-9.[\]>_:-]+(?:\([^)]*\))?|[0-9.,]*))*)#i', substr($key, $last), $submatch); |
---|
2463 | |
---|
2464 | $len = strlen($submatch[0]); |
---|
2465 | $key = substr_replace( |
---|
2466 | $key, |
---|
2467 | preg_replace_callback( |
---|
2468 | '#(\$[a-z0-9_]+((?:(?:\.|->)(?:[a-z0-9_]+|(?R))|\[(?:[a-z0-9_]+|(?R))\]))*)'. |
---|
2469 | '((?:(?:[+/*%-])(?:\$[a-z0-9.[\]>_:-]+(?:\([^)]*\))?|[0-9.,]*))*)#i', |
---|
2470 | array($this, 'replaceVarKeyHelper'), substr($key, $last, $len) |
---|
2471 | ), |
---|
2472 | $last, |
---|
2473 | $len |
---|
2474 | ); |
---|
2475 | if ($this->debug) echo 'RECURSIVE VAR REPLACEMENT DONE : '.$key.'<br>'; |
---|
2476 | } |
---|
2477 | unset($last); |
---|
2478 | |
---|
2479 | $out .= $key; |
---|
2480 | } else { |
---|
2481 | $out .= $key; |
---|
2482 | } |
---|
2483 | } |
---|
2484 | } |
---|
2485 | } |
---|
2486 | $out .= $recursed ? ', true)."' : ''; |
---|
2487 | return $out; |
---|
2488 | } |
---|
2489 | |
---|
2490 | /** |
---|
2491 | * helper function that parses a variable |
---|
2492 | * |
---|
2493 | * @param array $match the matched variable, array(1=>"string match") |
---|
2494 | * @return string parsed variable |
---|
2495 | */ |
---|
2496 | protected function replaceVarKeyHelper($match) |
---|
2497 | { |
---|
2498 | return '".'.$this->parseVar($match[0], 0, strlen($match[0]), false, 'variable').'."'; |
---|
2499 | } |
---|
2500 | |
---|
2501 | /** |
---|
2502 | * parses various constants, operators or non-quoted strings |
---|
2503 | * |
---|
2504 | * @param string $in the string within which we must parse something |
---|
2505 | * @param int $from the starting offset of the parsed area |
---|
2506 | * @param int $to the ending offset of the parsed area |
---|
2507 | * @param mixed $parsingParams must be an array if we are parsing a function or modifier's parameters, or false by default |
---|
2508 | * @param string $curBlock the current parser-block being processed |
---|
2509 | * @param mixed $pointer a reference to a pointer that will be increased by the amount of characters parsed, or null by default |
---|
2510 | * @return string parsed values |
---|
2511 | */ |
---|
2512 | protected function parseOthers($in, $from, $to, $parsingParams = false, $curBlock='', &$pointer = null) |
---|
2513 | { |
---|
2514 | $first = $in[$from]; |
---|
2515 | $substr = substr($in, $from, $to-$from); |
---|
2516 | |
---|
2517 | $end = strlen($substr); |
---|
2518 | |
---|
2519 | if ($curBlock === 'condition') { |
---|
2520 | $breakChars = array('(', ')', ' ', '||', '&&', '|', '&', '>=', '<=', '===', '==', '=', '!==', '!=', '<<', '<', '>>', '>', '^', '~', ',', '+', '-', '*', '/', '%', '!', '?', ':', $this->rd, ';'); |
---|
2521 | } elseif ($curBlock === 'modifier') { |
---|
2522 | $breakChars = array(' ', ',', ')', ':', '|', "\r", "\n", "\t", ";", $this->rd); |
---|
2523 | } elseif ($curBlock === 'expression') { |
---|
2524 | $breakChars = array('/', '%', '+', '-', '*', ' ', ',', ')', "\r", "\n", "\t", ";", $this->rd); |
---|
2525 | } else { |
---|
2526 | $breakChars = array(' ', ',', ')', "\r", "\n", "\t", ";", $this->rd); |
---|
2527 | } |
---|
2528 | |
---|
2529 | $breaker = false; |
---|
2530 | while (list($k,$char) = each($breakChars)) { |
---|
2531 | $test = strpos($substr, $char); |
---|
2532 | if ($test !== false && $test < $end) { |
---|
2533 | $end = $test; |
---|
2534 | $breaker = $k; |
---|
2535 | } |
---|
2536 | } |
---|
2537 | |
---|
2538 | if ($curBlock === 'condition') { |
---|
2539 | if ($end === 0 && $breaker !== false) { |
---|
2540 | $end = strlen($breakChars[$breaker]); |
---|
2541 | } |
---|
2542 | } |
---|
2543 | |
---|
2544 | if ($end !== false) { |
---|
2545 | $substr = substr($substr, 0, $end); |
---|
2546 | } |
---|
2547 | |
---|
2548 | if ($pointer !== null) { |
---|
2549 | $pointer += strlen($substr); |
---|
2550 | } |
---|
2551 | |
---|
2552 | $src = $substr; |
---|
2553 | $substr = trim($substr); |
---|
2554 | |
---|
2555 | if (strtolower($substr) === 'false' || strtolower($substr) === 'no' || strtolower($substr) === 'off') { |
---|
2556 | if ($this->debug) echo 'BOOLEAN(FALSE) PARSED<br />'; |
---|
2557 | $substr = 'false'; |
---|
2558 | $type = self::T_BOOL; |
---|
2559 | } elseif (strtolower($substr) === 'true' || strtolower($substr) === 'yes' || strtolower($substr) === 'on') { |
---|
2560 | if ($this->debug) echo 'BOOLEAN(TRUE) PARSED<br />'; |
---|
2561 | $substr = 'true'; |
---|
2562 | $type = self::T_BOOL; |
---|
2563 | } elseif ($substr === 'null' || $substr === 'NULL') { |
---|
2564 | if ($this->debug) echo 'NULL PARSED<br />'; |
---|
2565 | $substr = 'null'; |
---|
2566 | $type = self::T_NULL; |
---|
2567 | } elseif (is_numeric($substr)) { |
---|
2568 | $substr = (float) $substr; |
---|
2569 | if ((int) $substr == $substr) { |
---|
2570 | $substr = (int) $substr; |
---|
2571 | } |
---|
2572 | $type = self::T_NUMERIC; |
---|
2573 | if ($this->debug) echo 'NUMBER ('.$substr.') PARSED<br />'; |
---|
2574 | } elseif (preg_match('{^-?(\d+|\d*(\.\d+))\s*([/*%+-]\s*-?(\d+|\d*(\.\d+)))+$}', $substr)) { |
---|
2575 | if ($this->debug) echo 'SIMPLE MATH PARSED<br />'; |
---|
2576 | $type = self::T_MATH; |
---|
2577 | $substr = '('.$substr.')'; |
---|
2578 | } elseif ($curBlock === 'condition' && array_search($substr, $breakChars, true) !== false) { |
---|
2579 | if ($this->debug) echo 'BREAKCHAR ('.$substr.') PARSED<br />'; |
---|
2580 | $type = self::T_BREAKCHAR; |
---|
2581 | //$substr = '"'.$substr.'"'; |
---|
2582 | } else { |
---|
2583 | $substr = $this->replaceStringVars('\''.str_replace('\'', '\\\'', $substr).'\'', '\'', $curBlock); |
---|
2584 | $type = self::T_UNQUOTED_STRING; |
---|
2585 | if ($this->debug) echo 'BLABBER ('.$substr.') CASTED AS STRING<br />'; |
---|
2586 | } |
---|
2587 | |
---|
2588 | if (is_array($parsingParams)) { |
---|
2589 | $parsingParams[] = array($substr, $src, $type); |
---|
2590 | return $parsingParams; |
---|
2591 | } elseif ($curBlock === 'namedparam') { |
---|
2592 | return array($substr, $src, $type); |
---|
2593 | } elseif ($curBlock === 'expression') { |
---|
2594 | return $substr; |
---|
2595 | } else { |
---|
2596 | throw new Exception('Something went wrong'); |
---|
2597 | } |
---|
2598 | } |
---|
2599 | |
---|
2600 | /** |
---|
2601 | * replaces variables within a parsed string |
---|
2602 | * |
---|
2603 | * @param string $string the parsed string |
---|
2604 | * @param string $first the first character parsed in the string, which is the string delimiter (' or ") |
---|
2605 | * @param string $curBlock the current parser-block being processed |
---|
2606 | * @return string the original string with variables replaced |
---|
2607 | */ |
---|
2608 | protected function replaceStringVars($string, $first, $curBlock='') |
---|
2609 | { |
---|
2610 | $pos = 0; |
---|
2611 | if ($this->debug) echo 'STRING VAR REPLACEMENT : '.$string.'<br>'; |
---|
2612 | // replace vars |
---|
2613 | while (($pos = strpos($string, '$', $pos)) !== false) { |
---|
2614 | $prev = substr($string, $pos-1, 1); |
---|
2615 | if ($prev === '\\') { |
---|
2616 | $pos++; |
---|
2617 | continue; |
---|
2618 | } |
---|
2619 | |
---|
2620 | $var = $this->parse($string, $pos, null, false, ($curBlock === 'modifier' ? 'modifier' : ($prev === '`' ? 'delimited_string':'string'))); |
---|
2621 | $len = $var[0]; |
---|
2622 | $var = $this->parse(str_replace('\\'.$first, $first, $string), $pos, null, false, ($curBlock === 'modifier' ? 'modifier' : ($prev === '`' ? 'delimited_string':'string'))); |
---|
2623 | |
---|
2624 | if ($prev === '`' && substr($string, $pos+$len, 1) === '`') { |
---|
2625 | $string = substr_replace($string, $first.'.'.$var[1].'.'.$first, $pos-1, $len+2); |
---|
2626 | } else { |
---|
2627 | $string = substr_replace($string, $first.'.'.$var[1].'.'.$first, $pos, $len); |
---|
2628 | } |
---|
2629 | $pos += strlen($var[1]) + 2; |
---|
2630 | if ($this->debug) echo 'STRING VAR REPLACEMENT DONE : '.$string.'<br>'; |
---|
2631 | } |
---|
2632 | |
---|
2633 | // handle modifiers |
---|
2634 | // TODO Obsolete? |
---|
2635 | $string = preg_replace_callback('#("|\')\.(.+?)\.\1((?:\|(?:@?[a-z0-9_]+(?:(?::("|\').+?\4|:[^`]*))*))+)#i', array($this, 'replaceModifiers'), $string); |
---|
2636 | |
---|
2637 | // replace escaped dollar operators by unescaped ones if required |
---|
2638 | if ($first==="'") { |
---|
2639 | $string = str_replace('\\$', '$', $string); |
---|
2640 | } |
---|
2641 | |
---|
2642 | return $string; |
---|
2643 | } |
---|
2644 | |
---|
2645 | /** |
---|
2646 | * replaces the modifiers applied to a string or a variable |
---|
2647 | * |
---|
2648 | * @param array $m the regex matches that must be array(1=>"double or single quotes enclosing a string, when applicable", 2=>"the string or var", 3=>"the modifiers matched") |
---|
2649 | * @param string $curBlock the current parser-block being processed |
---|
2650 | * @return string the input enclosed with various function calls according to the modifiers found |
---|
2651 | */ |
---|
2652 | protected function replaceModifiers(array $m, $curBlock = null, &$pointer = null) |
---|
2653 | { |
---|
2654 | if ($this->debug) echo 'PARSING MODIFIERS : '.$m[3].'<br />'; |
---|
2655 | |
---|
2656 | if ($pointer !== null) { |
---|
2657 | $pointer += strlen($m[3]); |
---|
2658 | } |
---|
2659 | // remove first pipe |
---|
2660 | $cmdstrsrc = substr($m[3], 1); |
---|
2661 | // remove last quote if present |
---|
2662 | if (substr($cmdstrsrc, -1, 1) === $m[1]) { |
---|
2663 | $cmdstrsrc = substr($cmdstrsrc, 0, -1); |
---|
2664 | $add = $m[1]; |
---|
2665 | } |
---|
2666 | |
---|
2667 | $output = $m[2]; |
---|
2668 | |
---|
2669 | $continue = true; |
---|
2670 | while (strlen($cmdstrsrc) > 0 && $continue) { |
---|
2671 | if ($cmdstrsrc[0] === '|') { |
---|
2672 | $cmdstrsrc = substr($cmdstrsrc, 1); |
---|
2673 | continue; |
---|
2674 | } |
---|
2675 | if ($cmdstrsrc[0] === ' ' || $cmdstrsrc[0] === ';' || substr($cmdstrsrc, 0, strlen($this->rd)) === $this->rd) { |
---|
2676 | if ($this->debug) echo 'MODIFIER PARSING ENDED, RIGHT DELIMITER or ";" FOUND<br/>'; |
---|
2677 | $continue = false; |
---|
2678 | if ($pointer !== null) { |
---|
2679 | $pointer -= strlen($cmdstrsrc); |
---|
2680 | } |
---|
2681 | break; |
---|
2682 | } |
---|
2683 | $cmdstr = $cmdstrsrc; |
---|
2684 | $paramsep = ':'; |
---|
2685 | if (!preg_match('/^(@{0,2}[a-z_][a-z0-9_]*)(:)?/i', $cmdstr, $match)) { |
---|
2686 | throw new Dwoo_Compilation_Exception($this, 'Invalid modifier name, started with : '.substr($cmdstr, 0, 10)); |
---|
2687 | } |
---|
2688 | $paramspos = !empty($match[2]) ? strlen($match[1]) : false; |
---|
2689 | $func = $match[1]; |
---|
2690 | |
---|
2691 | $state = 0; |
---|
2692 | if ($paramspos === false) { |
---|
2693 | $cmdstrsrc = substr($cmdstrsrc, strlen($func)); |
---|
2694 | $params = array(); |
---|
2695 | if ($this->debug) echo 'MODIFIER ('.$func.') CALLED WITH NO PARAMS<br/>'; |
---|
2696 | } else { |
---|
2697 | $paramstr = substr($cmdstr, $paramspos+1); |
---|
2698 | if (substr($paramstr, -1, 1) === $paramsep) { |
---|
2699 | $paramstr = substr($paramstr, 0, -1); |
---|
2700 | } |
---|
2701 | |
---|
2702 | $ptr = 0; |
---|
2703 | $params = array(); |
---|
2704 | while ($ptr < strlen($paramstr)) { |
---|
2705 | if ($this->debug) echo 'MODIFIER ('.$func.') START PARAM PARSING WITH POINTER AT '.$ptr.'<br/>'; |
---|
2706 | if ($this->debug) echo $paramstr.'--'.$ptr.'--'.strlen($paramstr).'--modifier<br/>'; |
---|
2707 | $params = $this->parse($paramstr, $ptr, strlen($paramstr), $params, 'modifier', $ptr); |
---|
2708 | if ($this->debug) echo 'PARAM PARSED, POINTER AT '.$ptr.'<br/>'; |
---|
2709 | |
---|
2710 | if ($ptr >= strlen($paramstr)) { |
---|
2711 | if ($this->debug) echo 'PARAM PARSING ENDED, PARAM STRING CONSUMED<br/>'; |
---|
2712 | break; |
---|
2713 | } |
---|
2714 | |
---|
2715 | if ($paramstr[$ptr] === ' ' || $paramstr[$ptr] === '|' || $paramstr[$ptr] === ';' || substr($paramstr, $ptr, strlen($this->rd)) === $this->rd) { |
---|
2716 | if ($this->debug) echo 'PARAM PARSING ENDED, " ", "|", RIGHT DELIMITER or ";" FOUND, POINTER AT '.$ptr.'<br/>'; |
---|
2717 | if ($paramstr[$ptr] !== '|') { |
---|
2718 | $continue = false; |
---|
2719 | if ($pointer !== null) { |
---|
2720 | $pointer -= strlen($paramstr) - $ptr; |
---|
2721 | } |
---|
2722 | } |
---|
2723 | $ptr++; |
---|
2724 | break; |
---|
2725 | } |
---|
2726 | if ($ptr < strlen($paramstr) && $paramstr[$ptr] === ':') { |
---|
2727 | $ptr++; |
---|
2728 | } |
---|
2729 | } |
---|
2730 | $cmdstrsrc = substr($cmdstrsrc, strlen($func)+1+$ptr); |
---|
2731 | $paramstr = substr($paramstr, 0, $ptr); |
---|
2732 | foreach ($params as $k=>$p) { |
---|
2733 | if (is_array($p) && is_array($p[1])) { |
---|
2734 | $state |= 2; |
---|
2735 | } else { |
---|
2736 | if (($state & 2) && preg_match('#^(["\'])(.+?)\1$#', $p[0], $m)) { |
---|
2737 | $params[$k] = array($m[2], array('true', 'true')); |
---|
2738 | } else { |
---|
2739 | if ($state & 2) { |
---|
2740 | throw new Dwoo_Compilation_Exception($this, 'You can not use an unnamed parameter after a named one'); |
---|
2741 | } |
---|
2742 | $state |= 1; |
---|
2743 | } |
---|
2744 | } |
---|
2745 | } |
---|
2746 | } |
---|
2747 | |
---|
2748 | // check if we must use array_map with this plugin or not |
---|
2749 | $mapped = false; |
---|
2750 | if (substr($func, 0, 1) === '@') { |
---|
2751 | $func = substr($func, 1); |
---|
2752 | $mapped = true; |
---|
2753 | } |
---|
2754 | |
---|
2755 | $pluginType = $this->getPluginType($func); |
---|
2756 | |
---|
2757 | if ($state & 2) { |
---|
2758 | array_unshift($params, array('value', array($output, $output))); |
---|
2759 | } else { |
---|
2760 | array_unshift($params, array($output, $output)); |
---|
2761 | } |
---|
2762 | |
---|
2763 | if ($pluginType & Dwoo_Core::NATIVE_PLUGIN) { |
---|
2764 | $params = $this->mapParams($params, null, $state); |
---|
2765 | |
---|
2766 | $params = $params['*'][0]; |
---|
2767 | |
---|
2768 | $params = self::implode_r($params); |
---|
2769 | |
---|
2770 | if ($mapped) { |
---|
2771 | $output = '$this->arrayMap(\''.$func.'\', array('.$params.'))'; |
---|
2772 | } else { |
---|
2773 | $output = $func.'('.$params.')'; |
---|
2774 | } |
---|
2775 | } elseif ($pluginType & Dwoo_Core::PROXY_PLUGIN) { |
---|
2776 | $params = $this->mapParams($params, $this->getDwoo()->getPluginProxy()->getCallback($func), $state); |
---|
2777 | foreach ($params as &$p) |
---|
2778 | $p = $p[0]; |
---|
2779 | $output = call_user_func(array($this->dwoo->getPluginProxy(), 'getCode'), $func, $params); |
---|
2780 | } elseif ($pluginType & Dwoo_Core::SMARTY_MODIFIER) { |
---|
2781 | $params = $this->mapParams($params, null, $state); |
---|
2782 | $params = $params['*'][0]; |
---|
2783 | |
---|
2784 | $params = self::implode_r($params); |
---|
2785 | |
---|
2786 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
2787 | $callback = $this->customPlugins[$func]['callback']; |
---|
2788 | if (is_array($callback)) { |
---|
2789 | if (is_object($callback[0])) { |
---|
2790 | $output = ($mapped ? '$this->arrayMap' : 'call_user_func_array').'(array($this->plugins[\''.$func.'\'][\'callback\'][0], \''.$callback[1].'\'), array('.$params.'))'; |
---|
2791 | } else { |
---|
2792 | $output = ($mapped ? '$this->arrayMap' : 'call_user_func_array').'(array(\''.$callback[0].'\', \''.$callback[1].'\'), array('.$params.'))'; |
---|
2793 | } |
---|
2794 | } elseif ($mapped) { |
---|
2795 | $output = '$this->arrayMap(\''.$callback.'\', array('.$params.'))'; |
---|
2796 | } else { |
---|
2797 | $output = $callback.'('.$params.')'; |
---|
2798 | } |
---|
2799 | } elseif ($mapped) { |
---|
2800 | $output = '$this->arrayMap(\'smarty_modifier_'.$func.'\', array('.$params.'))'; |
---|
2801 | } else { |
---|
2802 | $output = 'smarty_modifier_'.$func.'('.$params.')'; |
---|
2803 | } |
---|
2804 | } else { |
---|
2805 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
2806 | $callback = $this->customPlugins[$func]['callback']; |
---|
2807 | $pluginName = $callback; |
---|
2808 | } else { |
---|
2809 | $pluginName = 'Dwoo_Plugin_'.$func; |
---|
2810 | |
---|
2811 | if ($pluginType & Dwoo_Core::CLASS_PLUGIN) { |
---|
2812 | $callback = array($pluginName, ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) ? 'compile' : 'process'); |
---|
2813 | } else { |
---|
2814 | $callback = $pluginName . (($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) ? '_compile' : ''); |
---|
2815 | } |
---|
2816 | } |
---|
2817 | |
---|
2818 | $params = $this->mapParams($params, $callback, $state); |
---|
2819 | |
---|
2820 | foreach ($params as &$p) |
---|
2821 | $p = $p[0]; |
---|
2822 | |
---|
2823 | if ($pluginType & Dwoo_Core::FUNC_PLUGIN) { |
---|
2824 | if ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) { |
---|
2825 | if ($mapped) { |
---|
2826 | throw new Dwoo_Compilation_Exception($this, 'The @ operator can not be used on compiled plugins.'); |
---|
2827 | } |
---|
2828 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
2829 | $funcCompiler = $this->customPlugins[$func]['callback']; |
---|
2830 | } else { |
---|
2831 | $funcCompiler = 'Dwoo_Plugin_'.$func.'_compile'; |
---|
2832 | } |
---|
2833 | array_unshift($params, $this); |
---|
2834 | $output = call_user_func_array($funcCompiler, $params); |
---|
2835 | } else { |
---|
2836 | array_unshift($params, '$this'); |
---|
2837 | |
---|
2838 | $params = self::implode_r($params); |
---|
2839 | if ($mapped) { |
---|
2840 | $output = '$this->arrayMap(\''.$pluginName.'\', array('.$params.'))'; |
---|
2841 | } else { |
---|
2842 | $output = $pluginName.'('.$params.')'; |
---|
2843 | } |
---|
2844 | } |
---|
2845 | } else { |
---|
2846 | if ($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) { |
---|
2847 | if ($mapped) { |
---|
2848 | throw new Dwoo_Compilation_Exception($this, 'The @ operator can not be used on compiled plugins.'); |
---|
2849 | } |
---|
2850 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
2851 | $callback = $this->customPlugins[$func]['callback']; |
---|
2852 | if (!is_array($callback)) { |
---|
2853 | if (!method_exists($callback, 'compile')) { |
---|
2854 | throw new Dwoo_Exception('Custom plugin '.$func.' must implement the "compile" method to be compilable, or you should provide a full callback to the method to use'); |
---|
2855 | } |
---|
2856 | if (($ref = new ReflectionMethod($callback, 'compile')) && $ref->isStatic()) { |
---|
2857 | $funcCompiler = array($callback, 'compile'); |
---|
2858 | } else { |
---|
2859 | $funcCompiler = array(new $callback, 'compile'); |
---|
2860 | } |
---|
2861 | } else { |
---|
2862 | $funcCompiler = $callback; |
---|
2863 | } |
---|
2864 | } else { |
---|
2865 | $funcCompiler = array('Dwoo_Plugin_'.$func, 'compile'); |
---|
2866 | array_unshift($params, $this); |
---|
2867 | } |
---|
2868 | $output = call_user_func_array($funcCompiler, $params); |
---|
2869 | } else { |
---|
2870 | $params = self::implode_r($params); |
---|
2871 | |
---|
2872 | if ($pluginType & Dwoo_Core::CUSTOM_PLUGIN) { |
---|
2873 | if (is_object($callback[0])) { |
---|
2874 | $output = ($mapped ? '$this->arrayMap' : 'call_user_func_array').'(array($this->plugins[\''.$func.'\'][\'callback\'][0], \''.$callback[1].'\'), array('.$params.'))'; |
---|
2875 | } else { |
---|
2876 | $output = ($mapped ? '$this->arrayMap' : 'call_user_func_array').'(array(\''.$callback[0].'\', \''.$callback[1].'\'), array('.$params.'))'; |
---|
2877 | } |
---|
2878 | } elseif ($mapped) { |
---|
2879 | $output = '$this->arrayMap(array($this->getObjectPlugin(\'Dwoo_Plugin_'.$func.'\'), \'process\'), array('.$params.'))'; |
---|
2880 | } else { |
---|
2881 | $output = '$this->classCall(\''.$func.'\', array('.$params.'))'; |
---|
2882 | } |
---|
2883 | } |
---|
2884 | } |
---|
2885 | } |
---|
2886 | } |
---|
2887 | |
---|
2888 | if ($curBlock === 'var' || $m[1] === null) { |
---|
2889 | return $output; |
---|
2890 | } elseif ($curBlock === 'string' || $curBlock === 'root') { |
---|
2891 | return $m[1].'.'.$output.'.'.$m[1].(isset($add)?$add:null); |
---|
2892 | } |
---|
2893 | } |
---|
2894 | |
---|
2895 | /** |
---|
2896 | * recursively implodes an array in a similar manner as var_export() does but with some tweaks |
---|
2897 | * to handle pre-compiled values and the fact that we do not need to enclose everything with |
---|
2898 | * "array" and do not require top-level keys to be displayed |
---|
2899 | * |
---|
2900 | * @param array $params the array to implode |
---|
2901 | * @param bool $recursiveCall if set to true, the function outputs key names for the top level |
---|
2902 | * @return string the imploded array |
---|
2903 | */ |
---|
2904 | public static function implode_r(array $params, $recursiveCall = false) |
---|
2905 | { |
---|
2906 | $out = ''; |
---|
2907 | foreach ($params as $k=>$p) { |
---|
2908 | if (is_array($p)) { |
---|
2909 | $out2 = 'array('; |
---|
2910 | foreach ($p as $k2=>$v) |
---|
2911 | $out2 .= var_export($k2, true).' => '.(is_array($v) ? 'array('.self::implode_r($v, true).')' : $v).', '; |
---|
2912 | $p = rtrim($out2, ', ').')'; |
---|
2913 | } |
---|
2914 | if ($recursiveCall) { |
---|
2915 | $out .= var_export($k, true).' => '.$p.', '; |
---|
2916 | } else { |
---|
2917 | $out .= $p.', '; |
---|
2918 | } |
---|
2919 | } |
---|
2920 | return rtrim($out, ', '); |
---|
2921 | } |
---|
2922 | |
---|
2923 | /** |
---|
2924 | * returns the plugin type of a plugin and adds it to the used plugins array if required |
---|
2925 | * |
---|
2926 | * @param string $name plugin name, as found in the template |
---|
2927 | * @return int type as a multi bit flag composed of the Dwoo plugin types constants |
---|
2928 | */ |
---|
2929 | protected function getPluginType($name) |
---|
2930 | { |
---|
2931 | $pluginType = -1; |
---|
2932 | |
---|
2933 | if (($this->securityPolicy === null && (function_exists($name) || strtolower($name) === 'isset' || strtolower($name) === 'empty')) || |
---|
2934 | ($this->securityPolicy !== null && array_key_exists(strtolower($name), $this->securityPolicy->getAllowedPhpFunctions()) !== false)) { |
---|
2935 | $phpFunc = true; |
---|
2936 | } elseif ($this->securityPolicy !== null && function_exists($name) && array_key_exists(strtolower($name), $this->securityPolicy->getAllowedPhpFunctions()) === false) { |
---|
2937 | throw new Dwoo_Security_Exception('Call to a disallowed php function : '.$name); |
---|
2938 | } |
---|
2939 | |
---|
2940 | while ($pluginType <= 0) { |
---|
2941 | if (isset($this->templatePlugins[$name])) { |
---|
2942 | $pluginType = Dwoo_Core::TEMPLATE_PLUGIN | Dwoo_Core::COMPILABLE_PLUGIN; |
---|
2943 | } elseif (isset($this->customPlugins[$name])) { |
---|
2944 | $pluginType = $this->customPlugins[$name]['type'] | Dwoo_Core::CUSTOM_PLUGIN; |
---|
2945 | } elseif (class_exists('Dwoo_Plugin_'.$name, false) !== false) { |
---|
2946 | if (is_subclass_of('Dwoo_Plugin_'.$name, 'Dwoo_Block_Plugin')) { |
---|
2947 | $pluginType = Dwoo_Core::BLOCK_PLUGIN; |
---|
2948 | } else { |
---|
2949 | $pluginType = Dwoo_Core::CLASS_PLUGIN; |
---|
2950 | } |
---|
2951 | $interfaces = class_implements('Dwoo_Plugin_'.$name, false); |
---|
2952 | if (in_array('Dwoo_ICompilable', $interfaces) !== false || in_array('Dwoo_ICompilable_Block', $interfaces) !== false) { |
---|
2953 | $pluginType |= Dwoo_Core::COMPILABLE_PLUGIN; |
---|
2954 | } |
---|
2955 | } elseif (function_exists('Dwoo_Plugin_'.$name) !== false) { |
---|
2956 | $pluginType = Dwoo_Core::FUNC_PLUGIN; |
---|
2957 | } elseif (function_exists('Dwoo_Plugin_'.$name.'_compile')) { |
---|
2958 | $pluginType = Dwoo_Core::FUNC_PLUGIN | Dwoo_Core::COMPILABLE_PLUGIN; |
---|
2959 | } elseif (function_exists('smarty_modifier_'.$name) !== false) { |
---|
2960 | $pluginType = Dwoo_Core::SMARTY_MODIFIER; |
---|
2961 | } elseif (function_exists('smarty_function_'.$name) !== false) { |
---|
2962 | $pluginType = Dwoo_Core::SMARTY_FUNCTION; |
---|
2963 | } elseif (function_exists('smarty_block_'.$name) !== false) { |
---|
2964 | $pluginType = Dwoo_Core::SMARTY_BLOCK; |
---|
2965 | } else { |
---|
2966 | if ($pluginType===-1) { |
---|
2967 | try { |
---|
2968 | $this->dwoo->getLoader()->loadPlugin($name, isset($phpFunc)===false); |
---|
2969 | } catch (Exception $e) { |
---|
2970 | if (isset($phpFunc)) { |
---|
2971 | $pluginType = Dwoo_Core::NATIVE_PLUGIN; |
---|
2972 | } elseif (is_object($this->dwoo->getPluginProxy()) && $this->dwoo->getPluginProxy()->handles($name)) { |
---|
2973 | $pluginType = Dwoo_Core::PROXY_PLUGIN; |
---|
2974 | break; |
---|
2975 | } else { |
---|
2976 | throw $e; |
---|
2977 | } |
---|
2978 | } |
---|
2979 | } else { |
---|
2980 | throw new Dwoo_Exception('Plugin "'.$name.'" could not be found'); |
---|
2981 | } |
---|
2982 | $pluginType++; |
---|
2983 | } |
---|
2984 | } |
---|
2985 | |
---|
2986 | if (($pluginType & Dwoo_Core::COMPILABLE_PLUGIN) === 0 && ($pluginType & Dwoo_Core::NATIVE_PLUGIN) === 0 && ($pluginType & Dwoo_Core::PROXY_PLUGIN) === 0) { |
---|
2987 | $this->addUsedPlugin($name, $pluginType); |
---|
2988 | } |
---|
2989 | |
---|
2990 | return $pluginType; |
---|
2991 | } |
---|
2992 | |
---|
2993 | /** |
---|
2994 | * allows a plugin to load another one at compile time, this will also mark |
---|
2995 | * it as used by this template so it will be loaded at runtime (which can be |
---|
2996 | * useful for compiled plugins that rely on another plugin when their compiled |
---|
2997 | * code runs) |
---|
2998 | * |
---|
2999 | * @param string $name the plugin name |
---|
3000 | */ |
---|
3001 | public function loadPlugin($name) { |
---|
3002 | $this->getPluginType($name); |
---|
3003 | } |
---|
3004 | |
---|
3005 | /** |
---|
3006 | * runs htmlentities over the matched <?php ?> blocks when the security policy enforces that |
---|
3007 | * |
---|
3008 | * @param array $match matched php block |
---|
3009 | * @return string the htmlentities-converted string |
---|
3010 | */ |
---|
3011 | protected function phpTagEncodingHelper($match) |
---|
3012 | { |
---|
3013 | return htmlspecialchars($match[0]); |
---|
3014 | } |
---|
3015 | |
---|
3016 | /** |
---|
3017 | * maps the parameters received from the template onto the parameters required by the given callback |
---|
3018 | * |
---|
3019 | * @param array $params the array of parameters |
---|
3020 | * @param callback $callback the function or method to reflect on to find out the required parameters |
---|
3021 | * @param int $callType the type of call in the template, 0 = no params, 1 = php-style call, 2 = named parameters call |
---|
3022 | * @param array $map the parameter map to use, if not provided it will be built from the callback |
---|
3023 | * @return array parameters sorted in the correct order with missing optional parameters filled |
---|
3024 | */ |
---|
3025 | protected function mapParams(array $params, $callback, $callType=2, $map = null) |
---|
3026 | { |
---|
3027 | if (!$map) { |
---|
3028 | $map = $this->getParamMap($callback); |
---|
3029 | } |
---|
3030 | |
---|
3031 | $paramlist = array(); |
---|
3032 | |
---|
3033 | // transforms the parameter array from (x=>array('paramname'=>array(values))) to (paramname=>array(values)) |
---|
3034 | $ps = array(); |
---|
3035 | foreach ($params as $p) { |
---|
3036 | if (is_array($p[1])) { |
---|
3037 | $ps[$p[0]] = $p[1]; |
---|
3038 | } else { |
---|
3039 | $ps[] = $p; |
---|
3040 | } |
---|
3041 | } |
---|
3042 | |
---|
3043 | // loops over the param map and assigns values from the template or default value for unset optional params |
---|
3044 | while (list($k,$v) = each($map)) { |
---|
3045 | if ($v[0] === '*') { |
---|
3046 | // "rest" array parameter, fill every remaining params in it and then break |
---|
3047 | if (count($ps) === 0) { |
---|
3048 | if ($v[1]===false) { |
---|
3049 | throw new Dwoo_Compilation_Exception($this, 'Rest argument missing for '.str_replace(array('Dwoo_Plugin_', '_compile'), '', (is_array($callback) ? $callback[0] : $callback))); |
---|
3050 | } else { |
---|
3051 | break; |
---|
3052 | } |
---|
3053 | } |
---|
3054 | $tmp = array(); |
---|
3055 | $tmp2 = array(); |
---|
3056 | $tmp3 = array(); |
---|
3057 | foreach ($ps as $i=>$p) { |
---|
3058 | $tmp[$i] = $p[0]; |
---|
3059 | $tmp2[$i] = $p[1]; |
---|
3060 | $tmp3[$i] = isset($p[2]) ? $p[2] : 0; |
---|
3061 | unset($ps[$i]); |
---|
3062 | } |
---|
3063 | $paramlist[$v[0]] = array($tmp, $tmp2, $tmp3); |
---|
3064 | unset($tmp, $tmp2, $i, $p); |
---|
3065 | break; |
---|
3066 | } elseif (isset($ps[$v[0]])) { |
---|
3067 | // parameter is defined as named param |
---|
3068 | $paramlist[$v[0]] = $ps[$v[0]]; |
---|
3069 | unset($ps[$v[0]]); |
---|
3070 | } elseif (isset($ps[$k])) { |
---|
3071 | // parameter is defined as ordered param |
---|
3072 | $paramlist[$v[0]] = $ps[$k]; |
---|
3073 | unset($ps[$k]); |
---|
3074 | } elseif ($v[1]===false) { |
---|
3075 | // parameter is not defined and not optional, throw error |
---|
3076 | if (is_array($callback)) { |
---|
3077 | if (is_object($callback[0])) { |
---|
3078 | $name = get_class($callback[0]) . '::' . $callback[1]; |
---|
3079 | } else { |
---|
3080 | $name = $callback[0]; |
---|
3081 | } |
---|
3082 | } else { |
---|
3083 | $name = $callback; |
---|
3084 | } |
---|
3085 | |
---|
3086 | throw new Dwoo_Compilation_Exception($this, 'Argument '.$k.'/'.$v[0].' missing for '.str_replace(array('Dwoo_Plugin_', '_compile'), '', $name)); |
---|
3087 | } elseif ($v[2]===null) { |
---|
3088 | // enforce lowercased null if default value is null (php outputs NULL with var export) |
---|
3089 | $paramlist[$v[0]] = array('null', null, self::T_NULL); |
---|
3090 | } else { |
---|
3091 | // outputs default value with var_export |
---|
3092 | $paramlist[$v[0]] = array(var_export($v[2], true), $v[2]); |
---|
3093 | } |
---|
3094 | } |
---|
3095 | |
---|
3096 | if (count($ps)) { |
---|
3097 | foreach ($ps as $i=>$p) { |
---|
3098 | array_push($paramlist, $p); |
---|
3099 | } |
---|
3100 | } |
---|
3101 | |
---|
3102 | return $paramlist; |
---|
3103 | } |
---|
3104 | |
---|
3105 | /** |
---|
3106 | * returns the parameter map of the given callback, it filters out entries typed as Dwoo and Dwoo_Compiler and turns the rest parameter into a "*" |
---|
3107 | * |
---|
3108 | * @param callback $callback the function/method to reflect on |
---|
3109 | * @return array processed parameter map |
---|
3110 | */ |
---|
3111 | protected function getParamMap($callback) |
---|
3112 | { |
---|
3113 | if (is_null($callback)) { |
---|
3114 | return array(array('*', true)); |
---|
3115 | } |
---|
3116 | if (is_array($callback)) { |
---|
3117 | $ref = new ReflectionMethod($callback[0], $callback[1]); |
---|
3118 | } else { |
---|
3119 | $ref = new ReflectionFunction($callback); |
---|
3120 | } |
---|
3121 | |
---|
3122 | $out = array(); |
---|
3123 | foreach ($ref->getParameters() as $param) { |
---|
3124 | if (($class = $param->getClass()) !== null && ($class->name === 'Dwoo' || $class->name === 'Dwoo_Core')) { |
---|
3125 | continue; |
---|
3126 | } |
---|
3127 | if (($class = $param->getClass()) !== null && $class->name === 'Dwoo_Compiler') { |
---|
3128 | continue; |
---|
3129 | } |
---|
3130 | if ($param->getName() === 'rest' && $param->isArray() === true) { |
---|
3131 | $out[] = array('*', $param->isOptional(), null); |
---|
3132 | continue; |
---|
3133 | } |
---|
3134 | $out[] = array($param->getName(), $param->isOptional(), $param->isOptional() ? $param->getDefaultValue() : null); |
---|
3135 | } |
---|
3136 | |
---|
3137 | return $out; |
---|
3138 | } |
---|
3139 | |
---|
3140 | /** |
---|
3141 | * returns a default instance of this compiler, used by default by all Dwoo templates that do not have a |
---|
3142 | * specific compiler assigned and when you do not override the default compiler factory function |
---|
3143 | * |
---|
3144 | * @see Dwoo_Core::setDefaultCompilerFactory() |
---|
3145 | * @return Dwoo_Compiler |
---|
3146 | */ |
---|
3147 | public static function compilerFactory() |
---|
3148 | { |
---|
3149 | if (self::$instance === null) { |
---|
3150 | new self; |
---|
3151 | } |
---|
3152 | return self::$instance; |
---|
3153 | } |
---|
3154 | } |
---|