smarty_internal_templatecompilerbase.php
21.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
<?php
/**
* Smarty Internal Plugin Smarty Template Compiler Base
*
* This file contains the basic classes and methodes for compiling Smarty templates with lexer/parser
*
* @package Smarty
* @subpackage Compiler
* @author Uwe Tews
*/
/**
* Main compiler class
*/
class Smarty_Internal_TemplateCompilerBase {
// hash for nocache sections
private $nocache_hash = null;
// suppress generation of nocache code
public $suppressNocacheProcessing = false;
// compile tag objects
static $_tag_objects = array();
// tag stack
public $_tag_stack = array();
// current template
public $template = null;
/**
* Initialize compiler
*/
public function __construct()
{
$this->nocache_hash = str_replace('.', '-', uniqid(rand(), true));
}
/**
* Methode to compile a Smarty template
*
* @param $template template object to compile
* @return bool true if compiling succeeded, false if it failed
*/
public function compileTemplate($template)
{
if (empty($template->properties['nocache_hash'])) {
$template->properties['nocache_hash'] = $this->nocache_hash;
} else {
$this->nocache_hash = $template->properties['nocache_hash'];
}
// flag for nochache sections
$this->nocache = false;
$this->tag_nocache = false;
// save template object in compiler class
$this->template = $template;
$this->smarty->_current_file = $saved_filepath = $this->template->getTemplateFilepath();
// template header code
$template_header = '';
if (!$template->suppressHeader) {
$template_header .= "<?php /* Smarty version " . Smarty::SMARTY_VERSION . ", created on " . strftime("%Y-%m-%d %H:%M:%S") . "\n";
$template_header .= " compiled from \"" . $this->template->getTemplateFilepath() . "\" */ ?>\n";
}
do {
// flag for aborting current and start recompile
$this->abort_and_recompile = false;
// get template source
$_content = $template->getTemplateSource();
// run prefilter if required
if (isset($this->smarty->autoload_filters['pre']) || isset($this->smarty->registered_filters['pre'])) {
$template->template_source = $_content = Smarty_Internal_Filter_Handler::runFilter('pre', $_content, $template);
}
// on empty template just return header
if ($_content == '') {
if ($template->suppressFileDependency) {
$template->compiled_template = '';
} else {
$template->compiled_template = $template_header . $template->createPropertyHeader();
}
return true;
}
// call compiler
$_compiled_code = $this->doCompile($_content);
} while ($this->abort_and_recompile);
// restore original filepath which could have been modified by template inheritance
$this->template->template_filepath = $saved_filepath;
// return compiled code to template object
if ($template->suppressFileDependency) {
$template->compiled_template = $_compiled_code;
} else {
$template->compiled_template = $template_header . $template->createPropertyHeader() . $_compiled_code;
}
// run postfilter if required
if (isset($this->smarty->autoload_filters['post']) || isset($this->smarty->registered_filters['post'])) {
$template->compiled_template = Smarty_Internal_Filter_Handler::runFilter('post', $template->compiled_template, $template);
}
}
/**
* Compile Tag
*
* This is a call back from the lexer/parser
* It executes the required compile plugin for the Smarty tag
*
* @param string $tag tag name
* @param array $args array with tag attributes
* @param array $parameter array with compilation parameter
* @return string compiled code
*/
public function compileTag($tag, $args, $parameter = array())
{
// $args contains the attributes parsed and compiled by the lexer/parser
// assume that tag does compile into code, but creates no HTML output
$this->has_code = true;
$this->has_output = false;
// log tag/attributes
if (isset($this->smarty->get_used_tags) && $this->smarty->get_used_tags) {
$this->template->used_tags[] = array($tag,$args);
}
// check nocache option flag
if (in_array("'nocache'",$args) || in_array(array('nocache'=>'true'),$args)
|| in_array(array('nocache'=>'"true"'),$args) || in_array(array('nocache'=>"'true'"),$args)) {
$this->tag_nocache = true;
}
// compile the smarty tag (required compile classes to compile the tag are autoloaded)
if (($_output = $this->callTagCompiler($tag, $args, $parameter)) === false) {
if (isset($this->smarty->template_functions[$tag])) {
// template defined by {template} tag
$args['_attr']['name'] = "'" . $tag . "'";
$_output = $this->callTagCompiler('call', $args, $parameter);
}
}
if ($_output !== false) {
if ($_output !== true) {
// did we get compiled code
if ($this->has_code) {
// Does it create output?
if ($this->has_output) {
$_output .= "\n";
}
// return compiled code
return $_output;
}
}
// tag did not produce compiled code
return '';
} else {
// map_named attributes
if (isset($args['_attr'])) {
foreach ($args['_attr'] as $key => $attribute) {
if (is_array($attribute)) {
$args = array_merge($args, $attribute);
}
}
}
// not an internal compiler tag
if (strlen($tag) < 6 || substr($tag, -5) != 'close') {
// check if tag is a registered object
if (isset($this->smarty->registered_objects[$tag]) && isset($parameter['object_methode'])) {
$methode = $parameter['object_methode'];
if (!in_array($methode, $this->smarty->registered_objects[$tag][3]) &&
(empty($this->smarty->registered_objects[$tag][1]) || in_array($methode, $this->smarty->registered_objects[$tag][1]))) {
return $this->callTagCompiler('private_object_function', $args, $parameter, $tag, $methode);
} elseif (in_array($methode, $this->smarty->registered_objects[$tag][3])) {
return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag, $methode);
} else {
return $this->trigger_template_error ('unallowed methode "' . $methode . '" in registered object "' . $tag . '"', $this->lex->taglineno);
}
}
// check if tag is registered
foreach (array(Smarty::PLUGIN_COMPILER, Smarty::PLUGIN_FUNCTION, Smarty::PLUGIN_BLOCK) as $type) {
if (isset($this->smarty->registered_plugins[$type][$tag])) {
// if compiler function plugin call it now
if ($type == Smarty::PLUGIN_COMPILER) {
$new_args = array();
foreach ($args as $key => $mixed) {
if (is_array($mixed)) {
$new_args = array_merge($new_args, $mixed);
} else {
$new_args[$key] = $mixed;
}
}
if (!$this->smarty->registered_plugins[$type][$tag][1]) {
$this->tag_nocache = true;
}
$function = $this->smarty->registered_plugins[$type][$tag][0];
if (!is_array($function)) {
return $function($new_args, $this);
} else if (is_object($function[0])) {
return $this->smarty->registered_plugins[$type][$tag][0][0]->$function[1]($new_args, $this);
} else {
return call_user_func_array($this->smarty->registered_plugins[$type][$tag][0], array($new_args, $this));
}
}
// compile registered function or block function
if ($type == Smarty::PLUGIN_FUNCTION || $type == Smarty::PLUGIN_BLOCK) {
return $this->callTagCompiler('private_registered_' . $type, $args, $parameter, $tag);
}
}
}
// check plugins from plugins folder
foreach ($this->smarty->plugin_search_order as $plugin_type) {
if ($plugin_type == Smarty::PLUGIN_BLOCK && $this->smarty->loadPlugin('smarty_compiler_' . $tag)) {
$plugin = 'smarty_compiler_' . $tag;
if (is_callable($plugin)) {
// convert arguments format for old compiler plugins
$new_args = array();
foreach ($args as $key => $mixed) {
if (is_array($mixed)) {
$new_args = array_merge($new_args, $mixed);
} else {
$new_args[$key] = $mixed;
}
}
return $plugin($new_args, $this->smarty);
}
if (class_exists($plugin, false)) {
$plugin_object = new $plugin;
if (method_exists($plugin_object, 'compile')) {
return $plugin_object->compile($args, $this);
}
}
throw new SmartyException("Plugin \"{$tag}\" not callable");
} else {
if ($function = $this->getPlugin($tag, $plugin_type)) {
return $this->callTagCompiler('private_' . $plugin_type . '_plugin', $args, $parameter, $tag, $function);
}
}
}
} else {
// compile closing tag of block function
$base_tag = substr($tag, 0, -5);
// check if closing tag is a registered object
if (isset($this->smarty->registered_objects[$base_tag]) && isset($parameter['object_methode'])) {
$methode = $parameter['object_methode'];
if (in_array($methode, $this->smarty->registered_objects[$base_tag][3])) {
return $this->callTagCompiler('private_object_block_function', $args, $parameter, $tag, $methode);
} else {
return $this->trigger_template_error ('unallowed closing tag methode "' . $methode . '" in registered object "' . $base_tag . '"', $this->lex->taglineno);
}
}
// registered block tag ?
if (isset($this->smarty->registered_plugins[Smarty::PLUGIN_BLOCK][$base_tag])) {
return $this->callTagCompiler('private_registered_block', $args, $parameter, $tag);
}
// block plugin?
if ($function = $this->getPlugin($base_tag, Smarty::PLUGIN_BLOCK)) {
return $this->callTagCompiler('private_block_plugin', $args, $parameter, $tag, $function);
}
if ($this->smarty->loadPlugin('smarty_compiler_' . $tag)) {
$plugin = 'smarty_compiler_' . $tag;
if (is_callable($plugin)) {
return $plugin($args, $this->smarty);
}
if (class_exists($plugin, false)) {
$plugin_object = new $plugin;
if (method_exists($plugin_object, 'compile')) {
return $plugin_object->compile($args, $this);
}
}
throw new SmartyException("Plugin \"{$tag}\" not callable");
}
}
$this->trigger_template_error ("unknown tag \"" . $tag . "\"", $this->lex->taglineno);
}
}
/**
* lazy loads internal compile plugin for tag and calls the compile methode
*
* compile objects cached for reuse.
* class name format: Smarty_Internal_Compile_TagName
* plugin filename format: Smarty_Internal_Tagname.php
*
* @param $tag string tag name
* @param $args array with tag attributes
* @param $param1 optional parameter
* @param $param2 optional parameter
* @param $param3 optional parameter
* @return string compiled code
*/
public function callTagCompiler($tag, $args, $param1 = null, $param2 = null, $param3 = null)
{
// re-use object if already exists
if (isset(self::$_tag_objects[$tag])) {
// compile this tag
return self::$_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
}
// lazy load internal compiler plugin
$class_name = 'Smarty_Internal_Compile_' . $tag;
if ($this->smarty->loadPlugin($class_name)) {
// use plugin if found
self::$_tag_objects[$tag] = new $class_name;
// compile this tag
return self::$_tag_objects[$tag]->compile($args, $this, $param1, $param2, $param3);
}
// no internal compile plugin for this tag
return false;
}
/**
* Check for plugins and return function name
*
* @param $pugin_name string name of plugin or function
* @param $type string type of plugin
* @return string call name of function
*/
public function getPlugin($plugin_name, $type)
{
$function = null;
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
if (isset($this->template->required_plugins['nocache'][$plugin_name][$type])) {
$function = $this->template->required_plugins['nocache'][$plugin_name][$type]['function'];
} else if (isset($this->template->required_plugins['compiled'][$plugin_name][$type])) {
$this->template->required_plugins['nocache'][$plugin_name][$type] = $this->template->required_plugins['compiled'][$plugin_name][$type];
$function = $this->template->required_plugins['nocache'][$plugin_name][$type]['function'];
}
} else {
if (isset($this->template->required_plugins['compiled'][$plugin_name][$type])) {
$function = $this->template->required_plugins['compiled'][$plugin_name][$type]['function'];
} else if (isset($this->template->required_plugins['nocache'][$plugin_name][$type])) {
$this->template->required_plugins['compiled'][$plugin_name][$type] = $this->template->required_plugins['nocache'][$plugin_name][$type];
$function = $this->template->required_plugins['compiled'][$plugin_name][$type]['function'];
}
}
if (isset($function)) {
if ($type == 'modifier') {
$this->template->saved_modifier[$plugin_name] = true;
}
return $function;
}
// loop through plugin dirs and find the plugin
$function = 'smarty_' . $type . '_' . $plugin_name;
$found = false;
foreach((array)$this->smarty->plugins_dir as $_plugin_dir) {
$file = rtrim($_plugin_dir, '/\\') . DS . $type . '.' . $plugin_name . '.php';
if (file_exists($file)) {
// require_once($file);
$found = true;
break;
}
}
if ($found) {
if ($this->template->caching && ($this->nocache || $this->tag_nocache)) {
$this->template->required_plugins['nocache'][$plugin_name][$type]['file'] = $file;
$this->template->required_plugins['nocache'][$plugin_name][$type]['function'] = $function;
} else {
$this->template->required_plugins['compiled'][$plugin_name][$type]['file'] = $file;
$this->template->required_plugins['compiled'][$plugin_name][$type]['function'] = $function;
}
if ($type == 'modifier') {
$this->template->saved_modifier[$plugin_name] = true;
}
return $function;
}
if (is_callable($function)) {
// plugin function is defined in the script
return $function;
}
return false;
}
/**
* Inject inline code for nocache template sections
*
* This method gets the content of each template element from the parser.
* If the content is compiled code and it should be not cached the code is injected
* into the rendered output.
*
* @param string $content content of template element
* @param boolean $tag_nocache true if the parser detected a nocache situation
* @param boolean $is_code true if content is compiled code
* @return string content
*/
public function processNocacheCode ($content, $is_code)
{
// If the template is not evaluated and we have a nocache section and or a nocache tag
if ($is_code && !empty($content)) {
// generate replacement code
if ((!$this->template->resource_object->isEvaluated || $this->template->forceNocache) && $this->template->caching && !$this->suppressNocacheProcessing &&
($this->nocache || $this->tag_nocache || $this->template->forceNocache == 2)) {
$this->template->has_nocache_code = true;
$_output = str_replace("'", "\'", $content);
$_output = str_replace("^#^", "'", $_output);
$_output = "<?php echo '/*%%SmartyNocache:{$this->nocache_hash}%%*/" . $_output . "/*/%%SmartyNocache:{$this->nocache_hash}%%*/';?>\n";
// make sure we include modifer plugins for nocache code
if (isset($this->template->saved_modifier)) {
foreach ($this->template->saved_modifier as $plugin_name => $dummy) {
if (isset($this->template->required_plugins['compiled'][$plugin_name]['modifier'])) {
$this->template->required_plugins['nocache'][$plugin_name]['modifier'] = $this->template->required_plugins['compiled'][$plugin_name]['modifier'];
}
}
$this->template->saved_modifier = null;
}
} else {
$_output = $content;
}
} else {
$_output = $content;
}
$this->suppressNocacheProcessing = false;
$this->tag_nocache = false;
return $_output;
}
/**
* display compiler error messages without dying
*
* If parameter $args is empty it is a parser detected syntax error.
* In this case the parser is called to obtain information about expected tokens.
*
* If parameter $args contains a string this is used as error message
*
* @param $args string individual error message or null
*/
public function trigger_template_error($args = null, $line = null)
{
// get template source line which has error
if (!isset($line)) {
$line = $this->lex->line;
}
$match = preg_split("/\n/", $this->lex->data);
$error_text = 'Syntax Error in template "' . $this->template->getTemplateFilepath() . '" on line ' . $line . ' "' . htmlspecialchars(trim(preg_replace('![\t\r\n]+!',' ',$match[$line-1]))) . '" ';
if (isset($args)) {
// individual error message
$error_text .= $args;
} else {
// expected token from parser
$error_text .= ' - Unexpected "' . $this->lex->value.'"';
if (count($this->parser->yy_get_expected_tokens($this->parser->yymajor)) <= 4 ) {
foreach ($this->parser->yy_get_expected_tokens($this->parser->yymajor) as $token) {
$exp_token = $this->parser->yyTokenName[$token];
if (isset($this->lex->smarty_token_names[$exp_token])) {
// token type from lexer
$expect[] = '"' . $this->lex->smarty_token_names[$exp_token] . '"';
} else {
// otherwise internal token name
$expect[] = $this->parser->yyTokenName[$token];
}
}
$error_text .= ', expected one of: ' . implode(' , ', $expect);
}
}
throw new SmartyCompilerException($error_text);
}
}
?>