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-rw-r--r--inc/Twig/Extension/Core.php1355
-rw-r--r--inc/Twig/Extension/Debug.php71
-rw-r--r--inc/Twig/Extension/Escaper.php107
-rw-r--r--inc/Twig/Extension/Optimizer.php35
-rw-r--r--inc/Twig/Extension/Sandbox.php112
-rw-r--r--inc/Twig/Extension/Staging.php113
-rw-r--r--inc/Twig/Extension/StringLoader.php64
7 files changed, 1857 insertions, 0 deletions
diff --git a/inc/Twig/Extension/Core.php b/inc/Twig/Extension/Core.php
new file mode 100644
index 00000000..e68687b4
--- /dev/null
+++ b/inc/Twig/Extension/Core.php
@@ -0,0 +1,1355 @@
1<?php
2
3if (!defined('ENT_SUBSTITUTE')) {
4 define('ENT_SUBSTITUTE', 8);
5}
6
7/*
8 * This file is part of Twig.
9 *
10 * (c) 2009 Fabien Potencier
11 *
12 * For the full copyright and license information, please view the LICENSE
13 * file that was distributed with this source code.
14 */
15class Twig_Extension_Core extends Twig_Extension
16{
17 protected $dateFormats = array('F j, Y H:i', '%d days');
18 protected $numberFormat = array(0, '.', ',');
19 protected $timezone = null;
20
21 /**
22 * Sets the default format to be used by the date filter.
23 *
24 * @param string $format The default date format string
25 * @param string $dateIntervalFormat The default date interval format string
26 */
27 public function setDateFormat($format = null, $dateIntervalFormat = null)
28 {
29 if (null !== $format) {
30 $this->dateFormats[0] = $format;
31 }
32
33 if (null !== $dateIntervalFormat) {
34 $this->dateFormats[1] = $dateIntervalFormat;
35 }
36 }
37
38 /**
39 * Gets the default format to be used by the date filter.
40 *
41 * @return array The default date format string and the default date interval format string
42 */
43 public function getDateFormat()
44 {
45 return $this->dateFormats;
46 }
47
48 /**
49 * Sets the default timezone to be used by the date filter.
50 *
51 * @param DateTimeZone|string $timezone The default timezone string or a DateTimeZone object
52 */
53 public function setTimezone($timezone)
54 {
55 $this->timezone = $timezone instanceof DateTimeZone ? $timezone : new DateTimeZone($timezone);
56 }
57
58 /**
59 * Gets the default timezone to be used by the date filter.
60 *
61 * @return DateTimeZone The default timezone currently in use
62 */
63 public function getTimezone()
64 {
65 if (null === $this->timezone) {
66 $this->timezone = new DateTimeZone(date_default_timezone_get());
67 }
68
69 return $this->timezone;
70 }
71
72 /**
73 * Sets the default format to be used by the number_format filter.
74 *
75 * @param integer $decimal The number of decimal places to use.
76 * @param string $decimalPoint The character(s) to use for the decimal point.
77 * @param string $thousandSep The character(s) to use for the thousands separator.
78 */
79 public function setNumberFormat($decimal, $decimalPoint, $thousandSep)
80 {
81 $this->numberFormat = array($decimal, $decimalPoint, $thousandSep);
82 }
83
84 /**
85 * Get the default format used by the number_format filter.
86 *
87 * @return array The arguments for number_format()
88 */
89 public function getNumberFormat()
90 {
91 return $this->numberFormat;
92 }
93
94 /**
95 * Returns the token parser instance to add to the existing list.
96 *
97 * @return array An array of Twig_TokenParser instances
98 */
99 public function getTokenParsers()
100 {
101 return array(
102 new Twig_TokenParser_For(),
103 new Twig_TokenParser_If(),
104 new Twig_TokenParser_Extends(),
105 new Twig_TokenParser_Include(),
106 new Twig_TokenParser_Block(),
107 new Twig_TokenParser_Use(),
108 new Twig_TokenParser_Filter(),
109 new Twig_TokenParser_Macro(),
110 new Twig_TokenParser_Import(),
111 new Twig_TokenParser_From(),
112 new Twig_TokenParser_Set(),
113 new Twig_TokenParser_Spaceless(),
114 new Twig_TokenParser_Flush(),
115 new Twig_TokenParser_Do(),
116 new Twig_TokenParser_Embed(),
117 );
118 }
119
120 /**
121 * Returns a list of filters to add to the existing list.
122 *
123 * @return array An array of filters
124 */
125 public function getFilters()
126 {
127 $filters = array(
128 // formatting filters
129 new Twig_SimpleFilter('date', 'twig_date_format_filter', array('needs_environment' => true)),
130 new Twig_SimpleFilter('date_modify', 'twig_date_modify_filter', array('needs_environment' => true)),
131 new Twig_SimpleFilter('format', 'sprintf'),
132 new Twig_SimpleFilter('replace', 'strtr'),
133 new Twig_SimpleFilter('number_format', 'twig_number_format_filter', array('needs_environment' => true)),
134 new Twig_SimpleFilter('abs', 'abs'),
135
136 // encoding
137 new Twig_SimpleFilter('url_encode', 'twig_urlencode_filter'),
138 new Twig_SimpleFilter('json_encode', 'twig_jsonencode_filter'),
139 new Twig_SimpleFilter('convert_encoding', 'twig_convert_encoding'),
140
141 // string filters
142 new Twig_SimpleFilter('title', 'twig_title_string_filter', array('needs_environment' => true)),
143 new Twig_SimpleFilter('capitalize', 'twig_capitalize_string_filter', array('needs_environment' => true)),
144 new Twig_SimpleFilter('upper', 'strtoupper'),
145 new Twig_SimpleFilter('lower', 'strtolower'),
146 new Twig_SimpleFilter('striptags', 'strip_tags'),
147 new Twig_SimpleFilter('trim', 'trim'),
148 new Twig_SimpleFilter('nl2br', 'nl2br', array('pre_escape' => 'html', 'is_safe' => array('html'))),
149
150 // array helpers
151 new Twig_SimpleFilter('join', 'twig_join_filter'),
152 new Twig_SimpleFilter('split', 'twig_split_filter'),
153 new Twig_SimpleFilter('sort', 'twig_sort_filter'),
154 new Twig_SimpleFilter('merge', 'twig_array_merge'),
155 new Twig_SimpleFilter('batch', 'twig_array_batch'),
156
157 // string/array filters
158 new Twig_SimpleFilter('reverse', 'twig_reverse_filter', array('needs_environment' => true)),
159 new Twig_SimpleFilter('length', 'twig_length_filter', array('needs_environment' => true)),
160 new Twig_SimpleFilter('slice', 'twig_slice', array('needs_environment' => true)),
161 new Twig_SimpleFilter('first', 'twig_first', array('needs_environment' => true)),
162 new Twig_SimpleFilter('last', 'twig_last', array('needs_environment' => true)),
163
164 // iteration and runtime
165 new Twig_SimpleFilter('default', '_twig_default_filter', array('node_class' => 'Twig_Node_Expression_Filter_Default')),
166 new Twig_SimpleFilter('keys', 'twig_get_array_keys_filter'),
167
168 // escaping
169 new Twig_SimpleFilter('escape', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
170 new Twig_SimpleFilter('e', 'twig_escape_filter', array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
171 );
172
173 if (function_exists('mb_get_info')) {
174 $filters[] = new Twig_SimpleFilter('upper', 'twig_upper_filter', array('needs_environment' => true));
175 $filters[] = new Twig_SimpleFilter('lower', 'twig_lower_filter', array('needs_environment' => true));
176 }
177
178 return $filters;
179 }
180
181 /**
182 * Returns a list of global functions to add to the existing list.
183 *
184 * @return array An array of global functions
185 */
186 public function getFunctions()
187 {
188 return array(
189 new Twig_SimpleFunction('range', 'range'),
190 new Twig_SimpleFunction('constant', 'twig_constant'),
191 new Twig_SimpleFunction('cycle', 'twig_cycle'),
192 new Twig_SimpleFunction('random', 'twig_random', array('needs_environment' => true)),
193 new Twig_SimpleFunction('date', 'twig_date_converter', array('needs_environment' => true)),
194 new Twig_SimpleFunction('include', 'twig_include', array('needs_environment' => true, 'needs_context' => true, 'is_safe' => array('all'))),
195 );
196 }
197
198 /**
199 * Returns a list of tests to add to the existing list.
200 *
201 * @return array An array of tests
202 */
203 public function getTests()
204 {
205 return array(
206 new Twig_SimpleTest('even', null, array('node_class' => 'Twig_Node_Expression_Test_Even')),
207 new Twig_SimpleTest('odd', null, array('node_class' => 'Twig_Node_Expression_Test_Odd')),
208 new Twig_SimpleTest('defined', null, array('node_class' => 'Twig_Node_Expression_Test_Defined')),
209 new Twig_SimpleTest('sameas', null, array('node_class' => 'Twig_Node_Expression_Test_Sameas')),
210 new Twig_SimpleTest('none', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
211 new Twig_SimpleTest('null', null, array('node_class' => 'Twig_Node_Expression_Test_Null')),
212 new Twig_SimpleTest('divisibleby', null, array('node_class' => 'Twig_Node_Expression_Test_Divisibleby')),
213 new Twig_SimpleTest('constant', null, array('node_class' => 'Twig_Node_Expression_Test_Constant')),
214 new Twig_SimpleTest('empty', 'twig_test_empty'),
215 new Twig_SimpleTest('iterable', 'twig_test_iterable'),
216 );
217 }
218
219 /**
220 * Returns a list of operators to add to the existing list.
221 *
222 * @return array An array of operators
223 */
224 public function getOperators()
225 {
226 return array(
227 array(
228 'not' => array('precedence' => 50, 'class' => 'Twig_Node_Expression_Unary_Not'),
229 '-' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Neg'),
230 '+' => array('precedence' => 500, 'class' => 'Twig_Node_Expression_Unary_Pos'),
231 ),
232 array(
233 'or' => array('precedence' => 10, 'class' => 'Twig_Node_Expression_Binary_Or', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
234 'and' => array('precedence' => 15, 'class' => 'Twig_Node_Expression_Binary_And', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
235 'b-or' => array('precedence' => 16, 'class' => 'Twig_Node_Expression_Binary_BitwiseOr', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
236 'b-xor' => array('precedence' => 17, 'class' => 'Twig_Node_Expression_Binary_BitwiseXor', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
237 'b-and' => array('precedence' => 18, 'class' => 'Twig_Node_Expression_Binary_BitwiseAnd', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
238 '==' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Equal', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
239 '!=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
240 '<' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Less', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
241 '>' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_Greater', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
242 '>=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_GreaterEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
243 '<=' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_LessEqual', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
244 'not in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_NotIn', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
245 'in' => array('precedence' => 20, 'class' => 'Twig_Node_Expression_Binary_In', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
246 '..' => array('precedence' => 25, 'class' => 'Twig_Node_Expression_Binary_Range', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
247 '+' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Add', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
248 '-' => array('precedence' => 30, 'class' => 'Twig_Node_Expression_Binary_Sub', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
249 '~' => array('precedence' => 40, 'class' => 'Twig_Node_Expression_Binary_Concat', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
250 '*' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mul', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
251 '/' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Div', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
252 '//' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_FloorDiv', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
253 '%' => array('precedence' => 60, 'class' => 'Twig_Node_Expression_Binary_Mod', 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
254 'is' => array('precedence' => 100, 'callable' => array($this, 'parseTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
255 'is not' => array('precedence' => 100, 'callable' => array($this, 'parseNotTestExpression'), 'associativity' => Twig_ExpressionParser::OPERATOR_LEFT),
256 '**' => array('precedence' => 200, 'class' => 'Twig_Node_Expression_Binary_Power', 'associativity' => Twig_ExpressionParser::OPERATOR_RIGHT),
257 ),
258 );
259 }
260
261 public function parseNotTestExpression(Twig_Parser $parser, $node)
262 {
263 return new Twig_Node_Expression_Unary_Not($this->parseTestExpression($parser, $node), $parser->getCurrentToken()->getLine());
264 }
265
266 public function parseTestExpression(Twig_Parser $parser, $node)
267 {
268 $stream = $parser->getStream();
269 $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
270 $arguments = null;
271 if ($stream->test(Twig_Token::PUNCTUATION_TYPE, '(')) {
272 $arguments = $parser->getExpressionParser()->parseArguments(true);
273 }
274
275 $class = $this->getTestNodeClass($parser, $name, $node->getLine());
276
277 return new $class($node, $name, $arguments, $parser->getCurrentToken()->getLine());
278 }
279
280 protected function getTestNodeClass(Twig_Parser $parser, $name, $line)
281 {
282 $env = $parser->getEnvironment();
283 $testMap = $env->getTests();
284 if (!isset($testMap[$name])) {
285 $message = sprintf('The test "%s" does not exist', $name);
286 if ($alternatives = $env->computeAlternatives($name, array_keys($env->getTests()))) {
287 $message = sprintf('%s. Did you mean "%s"', $message, implode('", "', $alternatives));
288 }
289
290 throw new Twig_Error_Syntax($message, $line, $parser->getFilename());
291 }
292
293 if ($testMap[$name] instanceof Twig_SimpleTest) {
294 return $testMap[$name]->getNodeClass();
295 }
296
297 return $testMap[$name] instanceof Twig_Test_Node ? $testMap[$name]->getClass() : 'Twig_Node_Expression_Test';
298 }
299
300 /**
301 * Returns the name of the extension.
302 *
303 * @return string The extension name
304 */
305 public function getName()
306 {
307 return 'core';
308 }
309}
310
311/**
312 * Cycles over a value.
313 *
314 * @param ArrayAccess|array $values An array or an ArrayAccess instance
315 * @param integer $position The cycle position
316 *
317 * @return string The next value in the cycle
318 */
319function twig_cycle($values, $position)
320{
321 if (!is_array($values) && !$values instanceof ArrayAccess) {
322 return $values;
323 }
324
325 return $values[$position % count($values)];
326}
327
328/**
329 * Returns a random value depending on the supplied parameter type:
330 * - a random item from a Traversable or array
331 * - a random character from a string
332 * - a random integer between 0 and the integer parameter
333 *
334 * @param Twig_Environment $env A Twig_Environment instance
335 * @param Traversable|array|integer|string $values The values to pick a random item from
336 *
337 * @throws Twig_Error_Runtime When $values is an empty array (does not apply to an empty string which is returned as is).
338 *
339 * @return mixed A random value from the given sequence
340 */
341function twig_random(Twig_Environment $env, $values = null)
342{
343 if (null === $values) {
344 return mt_rand();
345 }
346
347 if (is_int($values) || is_float($values)) {
348 return $values < 0 ? mt_rand($values, 0) : mt_rand(0, $values);
349 }
350
351 if ($values instanceof Traversable) {
352 $values = iterator_to_array($values);
353 } elseif (is_string($values)) {
354 if ('' === $values) {
355 return '';
356 }
357 if (null !== $charset = $env->getCharset()) {
358 if ('UTF-8' != $charset) {
359 $values = twig_convert_encoding($values, 'UTF-8', $charset);
360 }
361
362 // unicode version of str_split()
363 // split at all positions, but not after the start and not before the end
364 $values = preg_split('/(?<!^)(?!$)/u', $values);
365
366 if ('UTF-8' != $charset) {
367 foreach ($values as $i => $value) {
368 $values[$i] = twig_convert_encoding($value, $charset, 'UTF-8');
369 }
370 }
371 } else {
372 return $values[mt_rand(0, strlen($values) - 1)];
373 }
374 }
375
376 if (!is_array($values)) {
377 return $values;
378 }
379
380 if (0 === count($values)) {
381 throw new Twig_Error_Runtime('The random function cannot pick from an empty array.');
382 }
383
384 return $values[array_rand($values, 1)];
385}
386
387/**
388 * Converts a date to the given format.
389 *
390 * <pre>
391 * {{ post.published_at|date("m/d/Y") }}
392 * </pre>
393 *
394 * @param Twig_Environment $env A Twig_Environment instance
395 * @param DateTime|DateInterval|string $date A date
396 * @param string $format A format
397 * @param DateTimeZone|string $timezone A timezone
398 *
399 * @return string The formatted date
400 */
401function twig_date_format_filter(Twig_Environment $env, $date, $format = null, $timezone = null)
402{
403 if (null === $format) {
404 $formats = $env->getExtension('core')->getDateFormat();
405 $format = $date instanceof DateInterval ? $formats[1] : $formats[0];
406 }
407
408 if ($date instanceof DateInterval) {
409 return $date->format($format);
410 }
411
412 return twig_date_converter($env, $date, $timezone)->format($format);
413}
414
415/**
416 * Returns a new date object modified
417 *
418 * <pre>
419 * {{ post.published_at|date_modify("-1day")|date("m/d/Y") }}
420 * </pre>
421 *
422 * @param Twig_Environment $env A Twig_Environment instance
423 * @param DateTime|string $date A date
424 * @param string $modifier A modifier string
425 *
426 * @return DateTime A new date object
427 */
428function twig_date_modify_filter(Twig_Environment $env, $date, $modifier)
429{
430 $date = twig_date_converter($env, $date, false);
431 $date->modify($modifier);
432
433 return $date;
434}
435
436/**
437 * Converts an input to a DateTime instance.
438 *
439 * <pre>
440 * {% if date(user.created_at) < date('+2days') %}
441 * {# do something #}
442 * {% endif %}
443 * </pre>
444 *
445 * @param Twig_Environment $env A Twig_Environment instance
446 * @param DateTime|string $date A date
447 * @param DateTimeZone|string $timezone A timezone
448 *
449 * @return DateTime A DateTime instance
450 */
451function twig_date_converter(Twig_Environment $env, $date = null, $timezone = null)
452{
453 // determine the timezone
454 if (!$timezone) {
455 $defaultTimezone = $env->getExtension('core')->getTimezone();
456 } elseif (!$timezone instanceof DateTimeZone) {
457 $defaultTimezone = new DateTimeZone($timezone);
458 } else {
459 $defaultTimezone = $timezone;
460 }
461
462 if ($date instanceof DateTime) {
463 $date = clone $date;
464 if (false !== $timezone) {
465 $date->setTimezone($defaultTimezone);
466 }
467
468 return $date;
469 }
470
471 $asString = (string) $date;
472 if (ctype_digit($asString) || (!empty($asString) && '-' === $asString[0] && ctype_digit(substr($asString, 1)))) {
473 $date = '@'.$date;
474 }
475
476 $date = new DateTime($date, $defaultTimezone);
477 if (false !== $timezone) {
478 $date->setTimezone($defaultTimezone);
479 }
480
481 return $date;
482}
483
484/**
485 * Number format filter.
486 *
487 * All of the formatting options can be left null, in that case the defaults will
488 * be used. Supplying any of the parameters will override the defaults set in the
489 * environment object.
490 *
491 * @param Twig_Environment $env A Twig_Environment instance
492 * @param mixed $number A float/int/string of the number to format
493 * @param integer $decimal The number of decimal points to display.
494 * @param string $decimalPoint The character(s) to use for the decimal point.
495 * @param string $thousandSep The character(s) to use for the thousands separator.
496 *
497 * @return string The formatted number
498 */
499function twig_number_format_filter(Twig_Environment $env, $number, $decimal = null, $decimalPoint = null, $thousandSep = null)
500{
501 $defaults = $env->getExtension('core')->getNumberFormat();
502 if (null === $decimal) {
503 $decimal = $defaults[0];
504 }
505
506 if (null === $decimalPoint) {
507 $decimalPoint = $defaults[1];
508 }
509
510 if (null === $thousandSep) {
511 $thousandSep = $defaults[2];
512 }
513
514 return number_format((float) $number, $decimal, $decimalPoint, $thousandSep);
515}
516
517/**
518 * URL encodes a string as a path segment or an array as a query string.
519 *
520 * @param string|array $url A URL or an array of query parameters
521 * @param bool $raw true to use rawurlencode() instead of urlencode
522 *
523 * @return string The URL encoded value
524 */
525function twig_urlencode_filter($url, $raw = false)
526{
527 if (is_array($url)) {
528 return http_build_query($url, '', '&');
529 }
530
531 if ($raw) {
532 return rawurlencode($url);
533 }
534
535 return urlencode($url);
536}
537
538if (version_compare(PHP_VERSION, '5.3.0', '<')) {
539 /**
540 * JSON encodes a variable.
541 *
542 * @param mixed $value The value to encode.
543 * @param integer $options Not used on PHP 5.2.x
544 *
545 * @return mixed The JSON encoded value
546 */
547 function twig_jsonencode_filter($value, $options = 0)
548 {
549 if ($value instanceof Twig_Markup) {
550 $value = (string) $value;
551 } elseif (is_array($value)) {
552 array_walk_recursive($value, '_twig_markup2string');
553 }
554
555 return json_encode($value);
556 }
557} else {
558 /**
559 * JSON encodes a variable.
560 *
561 * @param mixed $value The value to encode.
562 * @param integer $options Bitmask consisting of JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_NUMERIC_CHECK, JSON_PRETTY_PRINT, JSON_UNESCAPED_SLASHES, JSON_FORCE_OBJECT
563 *
564 * @return mixed The JSON encoded value
565 */
566 function twig_jsonencode_filter($value, $options = 0)
567 {
568 if ($value instanceof Twig_Markup) {
569 $value = (string) $value;
570 } elseif (is_array($value)) {
571 array_walk_recursive($value, '_twig_markup2string');
572 }
573
574 return json_encode($value, $options);
575 }
576}
577
578function _twig_markup2string(&$value)
579{
580 if ($value instanceof Twig_Markup) {
581 $value = (string) $value;
582 }
583}
584
585/**
586 * Merges an array with another one.
587 *
588 * <pre>
589 * {% set items = { 'apple': 'fruit', 'orange': 'fruit' } %}
590 *
591 * {% set items = items|merge({ 'peugeot': 'car' }) %}
592 *
593 * {# items now contains { 'apple': 'fruit', 'orange': 'fruit', 'peugeot': 'car' } #}
594 * </pre>
595 *
596 * @param array $arr1 An array
597 * @param array $arr2 An array
598 *
599 * @return array The merged array
600 */
601function twig_array_merge($arr1, $arr2)
602{
603 if (!is_array($arr1) || !is_array($arr2)) {
604 throw new Twig_Error_Runtime('The merge filter only works with arrays or hashes.');
605 }
606
607 return array_merge($arr1, $arr2);
608}
609
610/**
611 * Slices a variable.
612 *
613 * @param Twig_Environment $env A Twig_Environment instance
614 * @param mixed $item A variable
615 * @param integer $start Start of the slice
616 * @param integer $length Size of the slice
617 * @param Boolean $preserveKeys Whether to preserve key or not (when the input is an array)
618 *
619 * @return mixed The sliced variable
620 */
621function twig_slice(Twig_Environment $env, $item, $start, $length = null, $preserveKeys = false)
622{
623 if ($item instanceof Traversable) {
624 $item = iterator_to_array($item, false);
625 }
626
627 if (is_array($item)) {
628 return array_slice($item, $start, $length, $preserveKeys);
629 }
630
631 $item = (string) $item;
632
633 if (function_exists('mb_get_info') && null !== $charset = $env->getCharset()) {
634 return mb_substr($item, $start, null === $length ? mb_strlen($item, $charset) - $start : $length, $charset);
635 }
636
637 return null === $length ? substr($item, $start) : substr($item, $start, $length);
638}
639
640/**
641 * Returns the first element of the item.
642 *
643 * @param Twig_Environment $env A Twig_Environment instance
644 * @param mixed $item A variable
645 *
646 * @return mixed The first element of the item
647 */
648function twig_first(Twig_Environment $env, $item)
649{
650 $elements = twig_slice($env, $item, 0, 1, false);
651
652 return is_string($elements) ? $elements[0] : current($elements);
653}
654
655/**
656 * Returns the last element of the item.
657 *
658 * @param Twig_Environment $env A Twig_Environment instance
659 * @param mixed $item A variable
660 *
661 * @return mixed The last element of the item
662 */
663function twig_last(Twig_Environment $env, $item)
664{
665 $elements = twig_slice($env, $item, -1, 1, false);
666
667 return is_string($elements) ? $elements[0] : current($elements);
668}
669
670/**
671 * Joins the values to a string.
672 *
673 * The separator between elements is an empty string per default, you can define it with the optional parameter.
674 *
675 * <pre>
676 * {{ [1, 2, 3]|join('|') }}
677 * {# returns 1|2|3 #}
678 *
679 * {{ [1, 2, 3]|join }}
680 * {# returns 123 #}
681 * </pre>
682 *
683 * @param array $value An array
684 * @param string $glue The separator
685 *
686 * @return string The concatenated string
687 */
688function twig_join_filter($value, $glue = '')
689{
690 if ($value instanceof Traversable) {
691 $value = iterator_to_array($value, false);
692 }
693
694 return implode($glue, (array) $value);
695}
696
697/**
698 * Splits the string into an array.
699 *
700 * <pre>
701 * {{ "one,two,three"|split(',') }}
702 * {# returns [one, two, three] #}
703 *
704 * {{ "one,two,three,four,five"|split(',', 3) }}
705 * {# returns [one, two, "three,four,five"] #}
706 *
707 * {{ "123"|split('') }}
708 * {# returns [1, 2, 3] #}
709 *
710 * {{ "aabbcc"|split('', 2) }}
711 * {# returns [aa, bb, cc] #}
712 * </pre>
713 *
714 * @param string $value A string
715 * @param string $delimiter The delimiter
716 * @param integer $limit The limit
717 *
718 * @return array The split string as an array
719 */
720function twig_split_filter($value, $delimiter, $limit = null)
721{
722 if (empty($delimiter)) {
723 return str_split($value, null === $limit ? 1 : $limit);
724 }
725
726 return null === $limit ? explode($delimiter, $value) : explode($delimiter, $value, $limit);
727}
728
729// The '_default' filter is used internally to avoid using the ternary operator
730// which costs a lot for big contexts (before PHP 5.4). So, on average,
731// a function call is cheaper.
732function _twig_default_filter($value, $default = '')
733{
734 if (twig_test_empty($value)) {
735 return $default;
736 }
737
738 return $value;
739}
740
741/**
742 * Returns the keys for the given array.
743 *
744 * It is useful when you want to iterate over the keys of an array:
745 *
746 * <pre>
747 * {% for key in array|keys %}
748 * {# ... #}
749 * {% endfor %}
750 * </pre>
751 *
752 * @param array $array An array
753 *
754 * @return array The keys
755 */
756function twig_get_array_keys_filter($array)
757{
758 if (is_object($array) && $array instanceof Traversable) {
759 return array_keys(iterator_to_array($array));
760 }
761
762 if (!is_array($array)) {
763 return array();
764 }
765
766 return array_keys($array);
767}
768
769/**
770 * Reverses a variable.
771 *
772 * @param Twig_Environment $env A Twig_Environment instance
773 * @param array|Traversable|string $item An array, a Traversable instance, or a string
774 * @param Boolean $preserveKeys Whether to preserve key or not
775 *
776 * @return mixed The reversed input
777 */
778function twig_reverse_filter(Twig_Environment $env, $item, $preserveKeys = false)
779{
780 if (is_object($item) && $item instanceof Traversable) {
781 return array_reverse(iterator_to_array($item), $preserveKeys);
782 }
783
784 if (is_array($item)) {
785 return array_reverse($item, $preserveKeys);
786 }
787
788 if (null !== $charset = $env->getCharset()) {
789 $string = (string) $item;
790
791 if ('UTF-8' != $charset) {
792 $item = twig_convert_encoding($string, 'UTF-8', $charset);
793 }
794
795 preg_match_all('/./us', $item, $matches);
796
797 $string = implode('', array_reverse($matches[0]));
798
799 if ('UTF-8' != $charset) {
800 $string = twig_convert_encoding($string, $charset, 'UTF-8');
801 }
802
803 return $string;
804 }
805
806 return strrev((string) $item);
807}
808
809/**
810 * Sorts an array.
811 *
812 * @param array $array An array
813 */
814function twig_sort_filter($array)
815{
816 asort($array);
817
818 return $array;
819}
820
821/* used internally */
822function twig_in_filter($value, $compare)
823{
824 if (is_array($compare)) {
825 return in_array($value, $compare, is_object($value));
826 } elseif (is_string($compare)) {
827 if (!strlen($value)) {
828 return empty($compare);
829 }
830
831 return false !== strpos($compare, (string) $value);
832 } elseif ($compare instanceof Traversable) {
833 return in_array($value, iterator_to_array($compare, false), is_object($value));
834 }
835
836 return false;
837}
838
839/**
840 * Escapes a string.
841 *
842 * @param Twig_Environment $env A Twig_Environment instance
843 * @param string $string The value to be escaped
844 * @param string $strategy The escaping strategy
845 * @param string $charset The charset
846 * @param Boolean $autoescape Whether the function is called by the auto-escaping feature (true) or by the developer (false)
847 */
848function twig_escape_filter(Twig_Environment $env, $string, $strategy = 'html', $charset = null, $autoescape = false)
849{
850 if ($autoescape && $string instanceof Twig_Markup) {
851 return $string;
852 }
853
854 if (!is_string($string)) {
855 if (is_object($string) && method_exists($string, '__toString')) {
856 $string = (string) $string;
857 } else {
858 return $string;
859 }
860 }
861
862 if (null === $charset) {
863 $charset = $env->getCharset();
864 }
865
866 switch ($strategy) {
867 case 'html':
868 // see http://php.net/htmlspecialchars
869
870 // Using a static variable to avoid initializing the array
871 // each time the function is called. Moving the declaration on the
872 // top of the function slow downs other escaping strategies.
873 static $htmlspecialcharsCharsets = array(
874 'ISO-8859-1' => true, 'ISO8859-1' => true,
875 'ISO-8859-15' => true, 'ISO8859-15' => true,
876 'utf-8' => true, 'UTF-8' => true,
877 'CP866' => true, 'IBM866' => true, '866' => true,
878 'CP1251' => true, 'WINDOWS-1251' => true, 'WIN-1251' => true,
879 '1251' => true,
880 'CP1252' => true, 'WINDOWS-1252' => true, '1252' => true,
881 'KOI8-R' => true, 'KOI8-RU' => true, 'KOI8R' => true,
882 'BIG5' => true, '950' => true,
883 'GB2312' => true, '936' => true,
884 'BIG5-HKSCS' => true,
885 'SHIFT_JIS' => true, 'SJIS' => true, '932' => true,
886 'EUC-JP' => true, 'EUCJP' => true,
887 'ISO8859-5' => true, 'ISO-8859-5' => true, 'MACROMAN' => true,
888 );
889
890 if (isset($htmlspecialcharsCharsets[$charset])) {
891 return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
892 }
893
894 if (isset($htmlspecialcharsCharsets[strtoupper($charset)])) {
895 // cache the lowercase variant for future iterations
896 $htmlspecialcharsCharsets[$charset] = true;
897
898 return htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, $charset);
899 }
900
901 $string = twig_convert_encoding($string, 'UTF-8', $charset);
902 $string = htmlspecialchars($string, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
903
904 return twig_convert_encoding($string, $charset, 'UTF-8');
905
906 case 'js':
907 // escape all non-alphanumeric characters
908 // into their \xHH or \uHHHH representations
909 if ('UTF-8' != $charset) {
910 $string = twig_convert_encoding($string, 'UTF-8', $charset);
911 }
912
913 if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) {
914 throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
915 }
916
917 $string = preg_replace_callback('#[^a-zA-Z0-9,\._]#Su', '_twig_escape_js_callback', $string);
918
919 if ('UTF-8' != $charset) {
920 $string = twig_convert_encoding($string, $charset, 'UTF-8');
921 }
922
923 return $string;
924
925 case 'css':
926 if ('UTF-8' != $charset) {
927 $string = twig_convert_encoding($string, 'UTF-8', $charset);
928 }
929
930 if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) {
931 throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
932 }
933
934 $string = preg_replace_callback('#[^a-zA-Z0-9]#Su', '_twig_escape_css_callback', $string);
935
936 if ('UTF-8' != $charset) {
937 $string = twig_convert_encoding($string, $charset, 'UTF-8');
938 }
939
940 return $string;
941
942 case 'html_attr':
943 if ('UTF-8' != $charset) {
944 $string = twig_convert_encoding($string, 'UTF-8', $charset);
945 }
946
947 if (0 == strlen($string) ? false : (1 == preg_match('/^./su', $string) ? false : true)) {
948 throw new Twig_Error_Runtime('The string to escape is not a valid UTF-8 string.');
949 }
950
951 $string = preg_replace_callback('#[^a-zA-Z0-9,\.\-_]#Su', '_twig_escape_html_attr_callback', $string);
952
953 if ('UTF-8' != $charset) {
954 $string = twig_convert_encoding($string, $charset, 'UTF-8');
955 }
956
957 return $string;
958
959 case 'url':
960 // hackish test to avoid version_compare that is much slower, this works unless PHP releases a 5.10.*
961 // at that point however PHP 5.2.* support can be removed
962 if (PHP_VERSION < '5.3.0') {
963 return str_replace('%7E', '~', rawurlencode($string));
964 }
965
966 return rawurlencode($string);
967
968 default:
969 throw new Twig_Error_Runtime(sprintf('Invalid escaping strategy "%s" (valid ones: html, js, url, css, and html_attr).', $strategy));
970 }
971}
972
973/* used internally */
974function twig_escape_filter_is_safe(Twig_Node $filterArgs)
975{
976 foreach ($filterArgs as $arg) {
977 if ($arg instanceof Twig_Node_Expression_Constant) {
978 return array($arg->getAttribute('value'));
979 }
980
981 return array();
982 }
983
984 return array('html');
985}
986
987if (function_exists('mb_convert_encoding')) {
988 function twig_convert_encoding($string, $to, $from)
989 {
990 return mb_convert_encoding($string, $to, $from);
991 }
992} elseif (function_exists('iconv')) {
993 function twig_convert_encoding($string, $to, $from)
994 {
995 return iconv($from, $to, $string);
996 }
997} else {
998 function twig_convert_encoding($string, $to, $from)
999 {
1000 throw new Twig_Error_Runtime('No suitable convert encoding function (use UTF-8 as your encoding or install the iconv or mbstring extension).');
1001 }
1002}
1003
1004function _twig_escape_js_callback($matches)
1005{
1006 $char = $matches[0];
1007
1008 // \xHH
1009 if (!isset($char[1])) {
1010 return '\\x'.strtoupper(substr('00'.bin2hex($char), -2));
1011 }
1012
1013 // \uHHHH
1014 $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
1015
1016 return '\\u'.strtoupper(substr('0000'.bin2hex($char), -4));
1017}
1018
1019function _twig_escape_css_callback($matches)
1020{
1021 $char = $matches[0];
1022
1023 // \xHH
1024 if (!isset($char[1])) {
1025 $hex = ltrim(strtoupper(bin2hex($char)), '0');
1026 if (0 === strlen($hex)) {
1027 $hex = '0';
1028 }
1029
1030 return '\\'.$hex.' ';
1031 }
1032
1033 // \uHHHH
1034 $char = twig_convert_encoding($char, 'UTF-16BE', 'UTF-8');
1035
1036 return '\\'.ltrim(strtoupper(bin2hex($char)), '0').' ';
1037}
1038
1039/**
1040 * This function is adapted from code coming from Zend Framework.
1041 *
1042 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
1043 * @license http://framework.zend.com/license/new-bsd New BSD License
1044 */
1045function _twig_escape_html_attr_callback($matches)
1046{
1047 /*
1048 * While HTML supports far more named entities, the lowest common denominator
1049 * has become HTML5's XML Serialisation which is restricted to the those named
1050 * entities that XML supports. Using HTML entities would result in this error:
1051 * XML Parsing Error: undefined entity
1052 */
1053 static $entityMap = array(
1054 34 => 'quot', /* quotation mark */
1055 38 => 'amp', /* ampersand */
1056 60 => 'lt', /* less-than sign */
1057 62 => 'gt', /* greater-than sign */
1058 );
1059
1060 $chr = $matches[0];
1061 $ord = ord($chr);
1062
1063 /**
1064 * The following replaces characters undefined in HTML with the
1065 * hex entity for the Unicode replacement character.
1066 */
1067 if (($ord <= 0x1f && $chr != "\t" && $chr != "\n" && $chr != "\r") || ($ord >= 0x7f && $ord <= 0x9f)) {
1068 return '&#xFFFD;';
1069 }
1070
1071 /**
1072 * Check if the current character to escape has a name entity we should
1073 * replace it with while grabbing the hex value of the character.
1074 */
1075 if (strlen($chr) == 1) {
1076 $hex = strtoupper(substr('00'.bin2hex($chr), -2));
1077 } else {
1078 $chr = twig_convert_encoding($chr, 'UTF-16BE', 'UTF-8');
1079 $hex = strtoupper(substr('0000'.bin2hex($chr), -4));
1080 }
1081
1082 $int = hexdec($hex);
1083 if (array_key_exists($int, $entityMap)) {
1084 return sprintf('&%s;', $entityMap[$int]);
1085 }
1086
1087 /**
1088 * Per OWASP recommendations, we'll use hex entities for any other
1089 * characters where a named entity does not exist.
1090 */
1091
1092 return sprintf('&#x%s;', $hex);
1093}
1094
1095// add multibyte extensions if possible
1096if (function_exists('mb_get_info')) {
1097 /**
1098 * Returns the length of a variable.
1099 *
1100 * @param Twig_Environment $env A Twig_Environment instance
1101 * @param mixed $thing A variable
1102 *
1103 * @return integer The length of the value
1104 */
1105 function twig_length_filter(Twig_Environment $env, $thing)
1106 {
1107 return is_scalar($thing) ? mb_strlen($thing, $env->getCharset()) : count($thing);
1108 }
1109
1110 /**
1111 * Converts a string to uppercase.
1112 *
1113 * @param Twig_Environment $env A Twig_Environment instance
1114 * @param string $string A string
1115 *
1116 * @return string The uppercased string
1117 */
1118 function twig_upper_filter(Twig_Environment $env, $string)
1119 {
1120 if (null !== ($charset = $env->getCharset())) {
1121 return mb_strtoupper($string, $charset);
1122 }
1123
1124 return strtoupper($string);
1125 }
1126
1127 /**
1128 * Converts a string to lowercase.
1129 *
1130 * @param Twig_Environment $env A Twig_Environment instance
1131 * @param string $string A string
1132 *
1133 * @return string The lowercased string
1134 */
1135 function twig_lower_filter(Twig_Environment $env, $string)
1136 {
1137 if (null !== ($charset = $env->getCharset())) {
1138 return mb_strtolower($string, $charset);
1139 }
1140
1141 return strtolower($string);
1142 }
1143
1144 /**
1145 * Returns a titlecased string.
1146 *
1147 * @param Twig_Environment $env A Twig_Environment instance
1148 * @param string $string A string
1149 *
1150 * @return string The titlecased string
1151 */
1152 function twig_title_string_filter(Twig_Environment $env, $string)
1153 {
1154 if (null !== ($charset = $env->getCharset())) {
1155 return mb_convert_case($string, MB_CASE_TITLE, $charset);
1156 }
1157
1158 return ucwords(strtolower($string));
1159 }
1160
1161 /**
1162 * Returns a capitalized string.
1163 *
1164 * @param Twig_Environment $env A Twig_Environment instance
1165 * @param string $string A string
1166 *
1167 * @return string The capitalized string
1168 */
1169 function twig_capitalize_string_filter(Twig_Environment $env, $string)
1170 {
1171 if (null !== ($charset = $env->getCharset())) {
1172 return mb_strtoupper(mb_substr($string, 0, 1, $charset), $charset).
1173 mb_strtolower(mb_substr($string, 1, mb_strlen($string, $charset), $charset), $charset);
1174 }
1175
1176 return ucfirst(strtolower($string));
1177 }
1178}
1179// and byte fallback
1180else {
1181 /**
1182 * Returns the length of a variable.
1183 *
1184 * @param Twig_Environment $env A Twig_Environment instance
1185 * @param mixed $thing A variable
1186 *
1187 * @return integer The length of the value
1188 */
1189 function twig_length_filter(Twig_Environment $env, $thing)
1190 {
1191 return is_scalar($thing) ? strlen($thing) : count($thing);
1192 }
1193
1194 /**
1195 * Returns a titlecased string.
1196 *
1197 * @param Twig_Environment $env A Twig_Environment instance
1198 * @param string $string A string
1199 *
1200 * @return string The titlecased string
1201 */
1202 function twig_title_string_filter(Twig_Environment $env, $string)
1203 {
1204 return ucwords(strtolower($string));
1205 }
1206
1207 /**
1208 * Returns a capitalized string.
1209 *
1210 * @param Twig_Environment $env A Twig_Environment instance
1211 * @param string $string A string
1212 *
1213 * @return string The capitalized string
1214 */
1215 function twig_capitalize_string_filter(Twig_Environment $env, $string)
1216 {
1217 return ucfirst(strtolower($string));
1218 }
1219}
1220
1221/* used internally */
1222function twig_ensure_traversable($seq)
1223{
1224 if ($seq instanceof Traversable || is_array($seq)) {
1225 return $seq;
1226 }
1227
1228 return array();
1229}
1230
1231/**
1232 * Checks if a variable is empty.
1233 *
1234 * <pre>
1235 * {# evaluates to true if the foo variable is null, false, or the empty string #}
1236 * {% if foo is empty %}
1237 * {# ... #}
1238 * {% endif %}
1239 * </pre>
1240 *
1241 * @param mixed $value A variable
1242 *
1243 * @return Boolean true if the value is empty, false otherwise
1244 */
1245function twig_test_empty($value)
1246{
1247 if ($value instanceof Countable) {
1248 return 0 == count($value);
1249 }
1250
1251 return '' === $value || false === $value || null === $value || array() === $value;
1252}
1253
1254/**
1255 * Checks if a variable is traversable.
1256 *
1257 * <pre>
1258 * {# evaluates to true if the foo variable is an array or a traversable object #}
1259 * {% if foo is traversable %}
1260 * {# ... #}
1261 * {% endif %}
1262 * </pre>
1263 *
1264 * @param mixed $value A variable
1265 *
1266 * @return Boolean true if the value is traversable
1267 */
1268function twig_test_iterable($value)
1269{
1270 return $value instanceof Traversable || is_array($value);
1271}
1272
1273/**
1274 * Renders a template.
1275 *
1276 * @param string $template The template to render
1277 * @param array $variables The variables to pass to the template
1278 * @param Boolean $with_context Whether to pass the current context variables or not
1279 * @param Boolean $ignore_missing Whether to ignore missing templates or not
1280 * @param Boolean $sandboxed Whether to sandbox the template or not
1281 *
1282 * @return string The rendered template
1283 */
1284function twig_include(Twig_Environment $env, $context, $template, $variables = array(), $withContext = true, $ignoreMissing = false, $sandboxed = false)
1285{
1286 if ($withContext) {
1287 $variables = array_merge($context, $variables);
1288 }
1289
1290 if ($isSandboxed = $sandboxed && $env->hasExtension('sandbox')) {
1291 $sandbox = $env->getExtension('sandbox');
1292 if (!$alreadySandboxed = $sandbox->isSandboxed()) {
1293 $sandbox->enableSandbox();
1294 }
1295 }
1296
1297 try {
1298 return $env->resolveTemplate($template)->render($variables);
1299 } catch (Twig_Error_Loader $e) {
1300 if (!$ignoreMissing) {
1301 throw $e;
1302 }
1303 }
1304
1305 if ($isSandboxed && !$alreadySandboxed) {
1306 $sandbox->disableSandbox();
1307 }
1308}
1309
1310/**
1311 * Provides the ability to get constants from instances as well as class/global constants.
1312 *
1313 * @param string $constant The name of the constant
1314 * @param null|object $object The object to get the constant from
1315 *
1316 * @return string
1317 */
1318function twig_constant($constant, $object = null)
1319{
1320 if (null !== $object) {
1321 $constant = get_class($object).'::'.$constant;
1322 }
1323
1324 return constant($constant);
1325}
1326
1327/**
1328 * Batches item.
1329 *
1330 * @param array $items An array of items
1331 * @param integer $size The size of the batch
1332 * @param string $fill A string to fill missing items
1333 *
1334 * @return array
1335 */
1336function twig_array_batch($items, $size, $fill = null)
1337{
1338 if ($items instanceof Traversable) {
1339 $items = iterator_to_array($items, false);
1340 }
1341
1342 $size = ceil($size);
1343
1344 $result = array_chunk($items, $size, true);
1345
1346 if (null !== $fill) {
1347 $last = count($result) - 1;
1348 $result[$last] = array_merge(
1349 $result[$last],
1350 array_fill(0, $size - count($result[$last]), $fill)
1351 );
1352 }
1353
1354 return $result;
1355}
diff --git a/inc/Twig/Extension/Debug.php b/inc/Twig/Extension/Debug.php
new file mode 100644
index 00000000..e3a85bfe
--- /dev/null
+++ b/inc/Twig/Extension/Debug.php
@@ -0,0 +1,71 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2011 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11class Twig_Extension_Debug extends Twig_Extension
12{
13 /**
14 * Returns a list of global functions to add to the existing list.
15 *
16 * @return array An array of global functions
17 */
18 public function getFunctions()
19 {
20 // dump is safe if var_dump is overridden by xdebug
21 $isDumpOutputHtmlSafe = extension_loaded('xdebug')
22 // false means that it was not set (and the default is on) or it explicitly enabled
23 && (false === ini_get('xdebug.overload_var_dump') || ini_get('xdebug.overload_var_dump'))
24 // false means that it was not set (and the default is on) or it explicitly enabled
25 // xdebug.overload_var_dump produces HTML only when html_errors is also enabled
26 && (false === ini_get('html_errors') || ini_get('html_errors'))
27 || 'cli' === php_sapi_name()
28 ;
29
30 return array(
31 new Twig_SimpleFunction('dump', 'twig_var_dump', array('is_safe' => $isDumpOutputHtmlSafe ? array('html') : array(), 'needs_context' => true, 'needs_environment' => true)),
32 );
33 }
34
35 /**
36 * Returns the name of the extension.
37 *
38 * @return string The extension name
39 */
40 public function getName()
41 {
42 return 'debug';
43 }
44}
45
46function twig_var_dump(Twig_Environment $env, $context)
47{
48 if (!$env->isDebug()) {
49 return;
50 }
51
52 ob_start();
53
54 $count = func_num_args();
55 if (2 === $count) {
56 $vars = array();
57 foreach ($context as $key => $value) {
58 if (!$value instanceof Twig_Template) {
59 $vars[$key] = $value;
60 }
61 }
62
63 var_dump($vars);
64 } else {
65 for ($i = 2; $i < $count; $i++) {
66 var_dump(func_get_arg($i));
67 }
68 }
69
70 return ob_get_clean();
71}
diff --git a/inc/Twig/Extension/Escaper.php b/inc/Twig/Extension/Escaper.php
new file mode 100644
index 00000000..c9a7f68e
--- /dev/null
+++ b/inc/Twig/Extension/Escaper.php
@@ -0,0 +1,107 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2009 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11class Twig_Extension_Escaper extends Twig_Extension
12{
13 protected $defaultStrategy;
14
15 public function __construct($defaultStrategy = 'html')
16 {
17 $this->setDefaultStrategy($defaultStrategy);
18 }
19
20 /**
21 * Returns the token parser instances to add to the existing list.
22 *
23 * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
24 */
25 public function getTokenParsers()
26 {
27 return array(new Twig_TokenParser_AutoEscape());
28 }
29
30 /**
31 * Returns the node visitor instances to add to the existing list.
32 *
33 * @return array An array of Twig_NodeVisitorInterface instances
34 */
35 public function getNodeVisitors()
36 {
37 return array(new Twig_NodeVisitor_Escaper());
38 }
39
40 /**
41 * Returns a list of filters to add to the existing list.
42 *
43 * @return array An array of filters
44 */
45 public function getFilters()
46 {
47 return array(
48 new Twig_SimpleFilter('raw', 'twig_raw_filter', array('is_safe' => array('all'))),
49 );
50 }
51
52 /**
53 * Sets the default strategy to use when not defined by the user.
54 *
55 * The strategy can be a valid PHP callback that takes the template
56 * "filename" as an argument and returns the strategy to use.
57 *
58 * @param mixed $defaultStrategy An escaping strategy
59 */
60 public function setDefaultStrategy($defaultStrategy)
61 {
62 // for BC
63 if (true === $defaultStrategy) {
64 $defaultStrategy = 'html';
65 }
66
67 $this->defaultStrategy = $defaultStrategy;
68 }
69
70 /**
71 * Gets the default strategy to use when not defined by the user.
72 *
73 * @param string $filename The template "filename"
74 *
75 * @return string The default strategy to use for the template
76 */
77 public function getDefaultStrategy($filename)
78 {
79 // disable string callables to avoid calling a function named html or js,
80 // or any other upcoming escaping strategy
81 if (!is_string($this->defaultStrategy) && is_callable($this->defaultStrategy)) {
82 return call_user_func($this->defaultStrategy, $filename);
83 }
84
85 return $this->defaultStrategy;
86 }
87
88 /**
89 * Returns the name of the extension.
90 *
91 * @return string The extension name
92 */
93 public function getName()
94 {
95 return 'escaper';
96 }
97}
98
99/**
100 * Marks a variable as being safe.
101 *
102 * @param string $string A PHP variable
103 */
104function twig_raw_filter($string)
105{
106 return $string;
107}
diff --git a/inc/Twig/Extension/Optimizer.php b/inc/Twig/Extension/Optimizer.php
new file mode 100644
index 00000000..013fcb62
--- /dev/null
+++ b/inc/Twig/Extension/Optimizer.php
@@ -0,0 +1,35 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2010 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11class Twig_Extension_Optimizer extends Twig_Extension
12{
13 protected $optimizers;
14
15 public function __construct($optimizers = -1)
16 {
17 $this->optimizers = $optimizers;
18 }
19
20 /**
21 * {@inheritdoc}
22 */
23 public function getNodeVisitors()
24 {
25 return array(new Twig_NodeVisitor_Optimizer($this->optimizers));
26 }
27
28 /**
29 * {@inheritdoc}
30 */
31 public function getName()
32 {
33 return 'optimizer';
34 }
35}
diff --git a/inc/Twig/Extension/Sandbox.php b/inc/Twig/Extension/Sandbox.php
new file mode 100644
index 00000000..bf76c11a
--- /dev/null
+++ b/inc/Twig/Extension/Sandbox.php
@@ -0,0 +1,112 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2009 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11class Twig_Extension_Sandbox extends Twig_Extension
12{
13 protected $sandboxedGlobally;
14 protected $sandboxed;
15 protected $policy;
16
17 public function __construct(Twig_Sandbox_SecurityPolicyInterface $policy, $sandboxed = false)
18 {
19 $this->policy = $policy;
20 $this->sandboxedGlobally = $sandboxed;
21 }
22
23 /**
24 * Returns the token parser instances to add to the existing list.
25 *
26 * @return array An array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances
27 */
28 public function getTokenParsers()
29 {
30 return array(new Twig_TokenParser_Sandbox());
31 }
32
33 /**
34 * Returns the node visitor instances to add to the existing list.
35 *
36 * @return array An array of Twig_NodeVisitorInterface instances
37 */
38 public function getNodeVisitors()
39 {
40 return array(new Twig_NodeVisitor_Sandbox());
41 }
42
43 public function enableSandbox()
44 {
45 $this->sandboxed = true;
46 }
47
48 public function disableSandbox()
49 {
50 $this->sandboxed = false;
51 }
52
53 public function isSandboxed()
54 {
55 return $this->sandboxedGlobally || $this->sandboxed;
56 }
57
58 public function isSandboxedGlobally()
59 {
60 return $this->sandboxedGlobally;
61 }
62
63 public function setSecurityPolicy(Twig_Sandbox_SecurityPolicyInterface $policy)
64 {
65 $this->policy = $policy;
66 }
67
68 public function getSecurityPolicy()
69 {
70 return $this->policy;
71 }
72
73 public function checkSecurity($tags, $filters, $functions)
74 {
75 if ($this->isSandboxed()) {
76 $this->policy->checkSecurity($tags, $filters, $functions);
77 }
78 }
79
80 public function checkMethodAllowed($obj, $method)
81 {
82 if ($this->isSandboxed()) {
83 $this->policy->checkMethodAllowed($obj, $method);
84 }
85 }
86
87 public function checkPropertyAllowed($obj, $method)
88 {
89 if ($this->isSandboxed()) {
90 $this->policy->checkPropertyAllowed($obj, $method);
91 }
92 }
93
94 public function ensureToStringAllowed($obj)
95 {
96 if (is_object($obj)) {
97 $this->policy->checkMethodAllowed($obj, '__toString');
98 }
99
100 return $obj;
101 }
102
103 /**
104 * Returns the name of the extension.
105 *
106 * @return string The extension name
107 */
108 public function getName()
109 {
110 return 'sandbox';
111 }
112}
diff --git a/inc/Twig/Extension/Staging.php b/inc/Twig/Extension/Staging.php
new file mode 100644
index 00000000..8ab0f459
--- /dev/null
+++ b/inc/Twig/Extension/Staging.php
@@ -0,0 +1,113 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2012 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12/**
13 * Internal class.
14 *
15 * This class is used by Twig_Environment as a staging area and must not be used directly.
16 *
17 * @author Fabien Potencier <fabien@symfony.com>
18 */
19class Twig_Extension_Staging extends Twig_Extension
20{
21 protected $functions = array();
22 protected $filters = array();
23 protected $visitors = array();
24 protected $tokenParsers = array();
25 protected $globals = array();
26 protected $tests = array();
27
28 public function addFunction($name, $function)
29 {
30 $this->functions[$name] = $function;
31 }
32
33 /**
34 * {@inheritdoc}
35 */
36 public function getFunctions()
37 {
38 return $this->functions;
39 }
40
41 public function addFilter($name, $filter)
42 {
43 $this->filters[$name] = $filter;
44 }
45
46 /**
47 * {@inheritdoc}
48 */
49 public function getFilters()
50 {
51 return $this->filters;
52 }
53
54 public function addNodeVisitor(Twig_NodeVisitorInterface $visitor)
55 {
56 $this->visitors[] = $visitor;
57 }
58
59 /**
60 * {@inheritdoc}
61 */
62 public function getNodeVisitors()
63 {
64 return $this->visitors;
65 }
66
67 public function addTokenParser(Twig_TokenParserInterface $parser)
68 {
69 $this->tokenParsers[] = $parser;
70 }
71
72 /**
73 * {@inheritdoc}
74 */
75 public function getTokenParsers()
76 {
77 return $this->tokenParsers;
78 }
79
80 public function addGlobal($name, $value)
81 {
82 $this->globals[$name] = $value;
83 }
84
85 /**
86 * {@inheritdoc}
87 */
88 public function getGlobals()
89 {
90 return $this->globals;
91 }
92
93 public function addTest($name, $test)
94 {
95 $this->tests[$name] = $test;
96 }
97
98 /**
99 * {@inheritdoc}
100 */
101 public function getTests()
102 {
103 return $this->tests;
104 }
105
106 /**
107 * {@inheritdoc}
108 */
109 public function getName()
110 {
111 return 'staging';
112 }
113}
diff --git a/inc/Twig/Extension/StringLoader.php b/inc/Twig/Extension/StringLoader.php
new file mode 100644
index 00000000..20f3f994
--- /dev/null
+++ b/inc/Twig/Extension/StringLoader.php
@@ -0,0 +1,64 @@
1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) 2012 Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11class Twig_Extension_StringLoader extends Twig_Extension
12{
13 /**
14 * {@inheritdoc}
15 */
16 public function getFunctions()
17 {
18 return array(
19 new Twig_SimpleFunction('template_from_string', 'twig_template_from_string', array('needs_environment' => true)),
20 );
21 }
22
23 /**
24 * {@inheritdoc}
25 */
26 public function getName()
27 {
28 return 'string_loader';
29 }
30}
31
32/**
33 * Loads a template from a string.
34 *
35 * <pre>
36 * {{ include(template_from_string("Hello {{ name }}")) }}
37 * </pre>
38 *
39 * @param Twig_Environment $env A Twig_Environment instance
40 * @param string $template A template as a string
41 *
42 * @return Twig_Template A Twig_Template instance
43 */
44function twig_template_from_string(Twig_Environment $env, $template)
45{
46 static $loader;
47
48 if (null === $loader) {
49 $loader = new Twig_Loader_String();
50 }
51
52 $current = $env->getLoader();
53 $env->setLoader($loader);
54 try {
55 $template = $env->loadTemplate($template);
56 } catch (Exception $e) {
57 $env->setLoader($current);
58
59 throw $e;
60 }
61 $env->setLoader($current);
62
63 return $template;
64}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 02:32:09 +0000