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pictcode / lib / Cake / Console / Command / Task / ExtractTask.php @ 635eef61

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1
<?php
2
/**
3
 * Language string extractor
4
 *
5
 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
6
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
7
 *
8
 * Licensed under The MIT License
9
 * For full copyright and license information, please see the LICENSE.txt
10
 * Redistributions of files must retain the above copyright notice.
11
 *
12
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
13
 * @link          http://cakephp.org CakePHP(tm) Project
14
 * @since         CakePHP(tm) v 1.2.0.5012
15
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
16
 */
17

    
18
App::uses('AppShell', 'Console/Command');
19
App::uses('File', 'Utility');
20
App::uses('Folder', 'Utility');
21
App::uses('Hash', 'Utility');
22

    
23
/**
24
 * Language string extractor
25
 *
26
 * @package       Cake.Console.Command.Task
27
 */
28
class ExtractTask extends AppShell {
29

    
30
/**
31
 * Paths to use when looking for strings
32
 *
33
 * @var string
34
 */
35
        protected $_paths = array();
36

    
37
/**
38
 * Files from where to extract
39
 *
40
 * @var array
41
 */
42
        protected $_files = array();
43

    
44
/**
45
 * Merge all domain and category strings into the default.pot file
46
 *
47
 * @var bool
48
 */
49
        protected $_merge = false;
50

    
51
/**
52
 * Current file being processed
53
 *
54
 * @var string
55
 */
56
        protected $_file = null;
57

    
58
/**
59
 * Contains all content waiting to be write
60
 *
61
 * @var string
62
 */
63
        protected $_storage = array();
64

    
65
/**
66
 * Extracted tokens
67
 *
68
 * @var array
69
 */
70
        protected $_tokens = array();
71

    
72
/**
73
 * Extracted strings indexed by category, domain, msgid and context.
74
 *
75
 * @var array
76
 */
77
        protected $_translations = array();
78

    
79
/**
80
 * Destination path
81
 *
82
 * @var string
83
 */
84
        protected $_output = null;
85

    
86
/**
87
 * An array of directories to exclude.
88
 *
89
 * @var array
90
 */
91
        protected $_exclude = array();
92

    
93
/**
94
 * Holds whether this call should extract model validation messages
95
 *
96
 * @var bool
97
 */
98
        protected $_extractValidation = true;
99

    
100
/**
101
 * Holds the validation string domain to use for validation messages when extracting
102
 *
103
 * @var bool
104
 */
105
        protected $_validationDomain = 'default';
106

    
107
/**
108
 * Holds whether this call should extract the CakePHP Lib messages
109
 *
110
 * @var bool
111
 */
112
        protected $_extractCore = false;
113

    
114
/**
115
 * Method to interact with the User and get path selections.
116
 *
117
 * @return void
118
 */
119
        protected function _getPaths() {
120
                $defaultPath = APP;
121
                while (true) {
122
                        $currentPaths = count($this->_paths) > 0 ? $this->_paths : array('None');
123
                        $message = __d(
124
                                'cake_console',
125
                                "Current paths: %s\nWhat is the path you would like to extract?\n[Q]uit [D]one",
126
                                implode(', ', $currentPaths)
127
                        );
128
                        $response = $this->in($message, null, $defaultPath);
129
                        if (strtoupper($response) === 'Q') {
130
                                $this->err(__d('cake_console', 'Extract Aborted'));
131
                                return $this->_stop();
132
                        } elseif (strtoupper($response) === 'D' && count($this->_paths)) {
133
                                $this->out();
134
                                return;
135
                        } elseif (strtoupper($response) === 'D') {
136
                                $this->err(__d('cake_console', '<warning>No directories selected.</warning> Please choose a directory.'));
137
                        } elseif (is_dir($response)) {
138
                                $this->_paths[] = $response;
139
                                $defaultPath = 'D';
140
                        } else {
141
                                $this->err(__d('cake_console', 'The directory path you supplied was not found. Please try again.'));
142
                        }
143
                        $this->out();
144
                }
145
        }
146

    
147
/**
148
 * Execution method always used for tasks
149
 *
150
 * @return void
151
 */
152
        public function execute() {
153
                if (!empty($this->params['exclude'])) {
154
                        $this->_exclude = explode(',', $this->params['exclude']);
155
                }
156
                if (isset($this->params['files']) && !is_array($this->params['files'])) {
157
                        $this->_files = explode(',', $this->params['files']);
158
                }
159
                if (isset($this->params['paths'])) {
160
                        $this->_paths = explode(',', $this->params['paths']);
161
                } elseif (isset($this->params['plugin'])) {
162
                        $plugin = Inflector::camelize($this->params['plugin']);
163
                        if (!CakePlugin::loaded($plugin)) {
164
                                CakePlugin::load($plugin);
165
                        }
166
                        $this->_paths = array(CakePlugin::path($plugin));
167
                        $this->params['plugin'] = $plugin;
168
                } else {
169
                        $this->_getPaths();
170
                }
171

    
172
                if (isset($this->params['extract-core'])) {
173
                        $this->_extractCore = !(strtolower($this->params['extract-core']) === 'no');
174
                } else {
175
                        $response = $this->in(__d('cake_console', 'Would you like to extract the messages from the CakePHP core?'), array('y', 'n'), 'n');
176
                        $this->_extractCore = strtolower($response) === 'y';
177
                }
178

    
179
                if (!empty($this->params['exclude-plugins']) && $this->_isExtractingApp()) {
180
                        $this->_exclude = array_merge($this->_exclude, App::path('plugins'));
181
                }
182

    
183
                if (!empty($this->params['ignore-model-validation']) || (!$this->_isExtractingApp() && empty($plugin))) {
184
                        $this->_extractValidation = false;
185
                }
186
                if (!empty($this->params['validation-domain'])) {
187
                        $this->_validationDomain = $this->params['validation-domain'];
188
                }
189

    
190
                if ($this->_extractCore) {
191
                        $this->_paths[] = CAKE;
192
                        $this->_exclude = array_merge($this->_exclude, array(
193
                                CAKE . 'Test',
194
                                CAKE . 'Console' . DS . 'Templates'
195
                        ));
196
                }
197

    
198
                if (isset($this->params['output'])) {
199
                        $this->_output = $this->params['output'];
200
                } elseif (isset($this->params['plugin'])) {
201
                        $this->_output = $this->_paths[0] . DS . 'Locale';
202
                } else {
203
                        $message = __d('cake_console', "What is the path you would like to output?\n[Q]uit", $this->_paths[0] . DS . 'Locale');
204
                        while (true) {
205
                                $response = $this->in($message, null, rtrim($this->_paths[0], DS) . DS . 'Locale');
206
                                if (strtoupper($response) === 'Q') {
207
                                        $this->err(__d('cake_console', 'Extract Aborted'));
208
                                        return $this->_stop();
209
                                } elseif ($this->_isPathUsable($response)) {
210
                                        $this->_output = $response . DS;
211
                                        break;
212
                                } else {
213
                                        $this->err(__d('cake_console', 'The directory path you supplied was not found. Please try again.'));
214
                                }
215
                                $this->out();
216
                        }
217
                }
218

    
219
                if (isset($this->params['merge'])) {
220
                        $this->_merge = !(strtolower($this->params['merge']) === 'no');
221
                } else {
222
                        $this->out();
223
                        $response = $this->in(__d('cake_console', 'Would you like to merge all domain and category strings into the default.pot file?'), array('y', 'n'), 'n');
224
                        $this->_merge = strtolower($response) === 'y';
225
                }
226

    
227
                if (empty($this->_files)) {
228
                        $this->_searchFiles();
229
                }
230

    
231
                $this->_output = rtrim($this->_output, DS) . DS;
232
                if (!$this->_isPathUsable($this->_output)) {
233
                        $this->err(__d('cake_console', 'The output directory %s was not found or writable.', $this->_output));
234
                        return $this->_stop();
235
                }
236

    
237
                $this->_extract();
238
        }
239

    
240
/**
241
 * Add a translation to the internal translations property
242
 *
243
 * Takes care of duplicate translations
244
 *
245
 * @param string $category The category
246
 * @param string $domain The domain
247
 * @param string $msgid The message string
248
 * @param array $details The file and line references
249
 * @return void
250
 */
251
        protected function _addTranslation($category, $domain, $msgid, $details = array()) {
252
                $context = '';
253
                if (isset($details['msgctxt'])) {
254
                        $context = $details['msgctxt'];
255
                }
256

    
257
                if (empty($this->_translations[$category][$domain][$msgid][$context])) {
258
                        $this->_translations[$category][$domain][$msgid][$context] = array(
259
                                'msgid_plural' => false,
260
                        );
261
                }
262

    
263
                if (isset($details['msgid_plural'])) {
264
                        $this->_translations[$category][$domain][$msgid][$context]['msgid_plural'] = $details['msgid_plural'];
265
                }
266
                if (isset($details['file'])) {
267
                        $line = 0;
268
                        if (isset($details['line'])) {
269
                                $line = $details['line'];
270
                        }
271
                        $this->_translations[$category][$domain][$msgid][$context]['references'][$details['file']][] = $line;
272
                }
273
        }
274

    
275
/**
276
 * Extract text
277
 *
278
 * @return void
279
 */
280
        protected function _extract() {
281
                $this->out();
282
                $this->out();
283
                $this->out(__d('cake_console', 'Extracting...'));
284
                $this->hr();
285
                $this->out(__d('cake_console', 'Paths:'));
286
                foreach ($this->_paths as $path) {
287
                        $this->out('   ' . $path);
288
                }
289
                $this->out(__d('cake_console', 'Output Directory: ') . $this->_output);
290
                $this->hr();
291
                $this->_extractTokens();
292
                $this->_extractValidationMessages();
293
                $this->_buildFiles();
294
                $this->_writeFiles();
295
                $this->_paths = $this->_files = $this->_storage = array();
296
                $this->_translations = $this->_tokens = array();
297
                $this->_extractValidation = true;
298
                $this->out();
299
                $this->out(__d('cake_console', 'Done.'));
300
        }
301

    
302
/**
303
 * Gets the option parser instance and configures it.
304
 *
305
 * @return ConsoleOptionParser
306
 */
307
        public function getOptionParser() {
308
                $parser = parent::getOptionParser();
309

    
310
                $parser->description(
311
                        __d('cake_console', 'CakePHP Language String Extraction:')
312
                )->addOption('app', array(
313
                        'help' => __d('cake_console', 'Directory where your application is located.')
314
                ))->addOption('paths', array(
315
                        'help' => __d('cake_console', 'Comma separated list of paths.')
316
                ))->addOption('merge', array(
317
                        'help' => __d('cake_console', 'Merge all domain and category strings into the default.po file.'),
318
                        'choices' => array('yes', 'no')
319
                ))->addOption('output', array(
320
                        'help' => __d('cake_console', 'Full path to output directory.')
321
                ))->addOption('files', array(
322
                        'help' => __d('cake_console', 'Comma separated list of files.')
323
                ))->addOption('exclude-plugins', array(
324
                        'boolean' => true,
325
                        'default' => true,
326
                        'help' => __d('cake_console', 'Ignores all files in plugins if this command is run inside from the same app directory.')
327
                ))->addOption('plugin', array(
328
                        'help' => __d('cake_console', 'Extracts tokens only from the plugin specified and puts the result in the plugin\'s Locale directory.')
329
                ))->addOption('ignore-model-validation', array(
330
                        'boolean' => true,
331
                        'default' => false,
332
                        'help' => __d('cake_console', 'Ignores validation messages in the $validate property.' .
333
                                ' If this flag is not set and the command is run from the same app directory,' .
334
                                ' all messages in model validation rules will be extracted as tokens.'
335
                        )
336
                ))->addOption('validation-domain', array(
337
                        'help' => __d('cake_console', 'If set to a value, the localization domain to be used for model validation messages.')
338
                ))->addOption('exclude', array(
339
                        'help' => __d('cake_console', 'Comma separated list of directories to exclude.' .
340
                                ' Any path containing a path segment with the provided values will be skipped. E.g. test,vendors'
341
                        )
342
                ))->addOption('overwrite', array(
343
                        'boolean' => true,
344
                        'default' => false,
345
                        'help' => __d('cake_console', 'Always overwrite existing .pot files.')
346
                ))->addOption('extract-core', array(
347
                        'help' => __d('cake_console', 'Extract messages from the CakePHP core libs.'),
348
                        'choices' => array('yes', 'no')
349
                ));
350

    
351
                return $parser;
352
        }
353

    
354
/**
355
 * Extract tokens out of all files to be processed
356
 *
357
 * @return void
358
 */
359
        protected function _extractTokens() {
360
                foreach ($this->_files as $file) {
361
                        $this->_file = $file;
362
                        $this->out(__d('cake_console', 'Processing %s...', $file), 1, Shell::VERBOSE);
363

    
364
                        $code = file_get_contents($file);
365
                        $allTokens = token_get_all($code);
366

    
367
                        $this->_tokens = array();
368
                        foreach ($allTokens as $token) {
369
                                if (!is_array($token) || ($token[0] !== T_WHITESPACE && $token[0] !== T_INLINE_HTML)) {
370
                                        $this->_tokens[] = $token;
371
                                }
372
                        }
373
                        unset($allTokens);
374
                        $this->_parse('__', array('singular'));
375
                        $this->_parse('__n', array('singular', 'plural'));
376
                        $this->_parse('__d', array('domain', 'singular'));
377
                        $this->_parse('__c', array('singular', 'category'));
378
                        $this->_parse('__dc', array('domain', 'singular', 'category'));
379
                        $this->_parse('__dn', array('domain', 'singular', 'plural'));
380
                        $this->_parse('__dcn', array('domain', 'singular', 'plural', 'count', 'category'));
381

    
382
                        $this->_parse('__x', array('context', 'singular'));
383
                        $this->_parse('__xn', array('context', 'singular', 'plural'));
384
                        $this->_parse('__dx', array('domain', 'context', 'singular'));
385
                        $this->_parse('__dxc', array('domain', 'context', 'singular', 'category'));
386
                        $this->_parse('__dxn', array('domain', 'context', 'singular', 'plural'));
387
                        $this->_parse('__dxcn', array('domain', 'context', 'singular', 'plural', 'count', 'category'));
388
                        $this->_parse('__xc', array('context', 'singular', 'category'));
389

    
390
                }
391
        }
392

    
393
/**
394
 * Parse tokens
395
 *
396
 * @param string $functionName Function name that indicates translatable string (e.g: '__')
397
 * @param array $map Array containing what variables it will find (e.g: category, domain, singular, plural)
398
 * @return void
399
 */
400
        protected function _parse($functionName, $map) {
401
                $count = 0;
402
                $categories = array('LC_ALL', 'LC_COLLATE', 'LC_CTYPE', 'LC_MONETARY', 'LC_NUMERIC', 'LC_TIME', 'LC_MESSAGES');
403
                $tokenCount = count($this->_tokens);
404

    
405
                while (($tokenCount - $count) > 1) {
406
                        $countToken = $this->_tokens[$count];
407
                        $firstParenthesis = $this->_tokens[$count + 1];
408
                        if (!is_array($countToken)) {
409
                                $count++;
410
                                continue;
411
                        }
412

    
413
                        list($type, $string, $line) = $countToken;
414
                        if (($type == T_STRING) && ($string === $functionName) && ($firstParenthesis === '(')) {
415
                                $position = $count;
416
                                $depth = 0;
417

    
418
                                while (!$depth) {
419
                                        if ($this->_tokens[$position] === '(') {
420
                                                $depth++;
421
                                        } elseif ($this->_tokens[$position] === ')') {
422
                                                $depth--;
423
                                        }
424
                                        $position++;
425
                                }
426

    
427
                                $mapCount = count($map);
428
                                $strings = $this->_getStrings($position, $mapCount);
429

    
430
                                if ($mapCount === count($strings)) {
431
                                        extract(array_combine($map, $strings));
432
                                        $category = isset($category) ? $category : 6;
433
                                        $category = (int)$category;
434
                                        $categoryName = $categories[$category];
435

    
436
                                        $domain = isset($domain) ? $domain : 'default';
437
                                        $details = array(
438
                                                'file' => $this->_file,
439
                                                'line' => $line,
440
                                        );
441
                                        if (isset($plural)) {
442
                                                $details['msgid_plural'] = $plural;
443
                                        }
444
                                        if (isset($context)) {
445
                                                $details['msgctxt'] = $context;
446
                                        }
447
                                        // Skip LC_TIME files as we use a special file format for them.
448
                                        if ($categoryName !== 'LC_TIME') {
449
                                                $this->_addTranslation($categoryName, $domain, $singular, $details);
450
                                        }
451
                                } elseif (!is_array($this->_tokens[$count - 1]) || $this->_tokens[$count - 1][0] != T_FUNCTION) {
452
                                        $this->_markerError($this->_file, $line, $functionName, $count);
453
                                }
454
                        }
455
                        $count++;
456
                }
457
        }
458

    
459
/**
460
 * Looks for models in the application and extracts the validation messages
461
 * to be added to the translation map
462
 *
463
 * @return void
464
 */
465
        protected function _extractValidationMessages() {
466
                if (!$this->_extractValidation) {
467
                        return;
468
                }
469

    
470
                $plugins = array(null);
471
                if (empty($this->params['exclude-plugins'])) {
472
                        $plugins = array_merge($plugins, App::objects('plugin', null, false));
473
                }
474
                foreach ($plugins as $plugin) {
475
                        $this->_extractPluginValidationMessages($plugin);
476
                }
477
        }
478

    
479
/**
480
 * Extract validation messages from application or plugin models
481
 *
482
 * @param string $plugin Plugin name or `null` to process application models
483
 * @return void
484
 */
485
        protected function _extractPluginValidationMessages($plugin = null) {
486
                App::uses('AppModel', 'Model');
487
                if (!empty($plugin)) {
488
                        if (!CakePlugin::loaded($plugin)) {
489
                                return;
490
                        }
491
                        App::uses($plugin . 'AppModel', $plugin . '.Model');
492
                        $plugin = $plugin . '.';
493
                }
494
                $models = App::objects($plugin . 'Model', null, false);
495

    
496
                foreach ($models as $model) {
497
                        App::uses($model, $plugin . 'Model');
498
                        $reflection = new ReflectionClass($model);
499
                        if (!$reflection->isSubClassOf('Model')) {
500
                                continue;
501
                        }
502
                        $properties = $reflection->getDefaultProperties();
503
                        $validate = $properties['validate'];
504
                        if (empty($validate)) {
505
                                continue;
506
                        }
507

    
508
                        $file = $reflection->getFileName();
509
                        $domain = $this->_validationDomain;
510
                        if (!empty($properties['validationDomain'])) {
511
                                $domain = $properties['validationDomain'];
512
                        }
513
                        foreach ($validate as $field => $rules) {
514
                                $this->_processValidationRules($field, $rules, $file, $domain);
515
                        }
516
                }
517
        }
518

    
519
/**
520
 * Process a validation rule for a field and looks for a message to be added
521
 * to the translation map
522
 *
523
 * @param string $field the name of the field that is being processed
524
 * @param array $rules the set of validation rules for the field
525
 * @param string $file the file name where this validation rule was found
526
 * @param string $domain default domain to bind the validations to
527
 * @param string $category the translation category
528
 * @return void
529
 */
530
        protected function _processValidationRules($field, $rules, $file, $domain, $category = 'LC_MESSAGES') {
531
                if (!is_array($rules)) {
532
                        return;
533
                }
534

    
535
                $dims = Hash::dimensions($rules);
536
                if ($dims === 1 || ($dims === 2 && isset($rules['message']))) {
537
                        $rules = array($rules);
538
                }
539

    
540
                foreach ($rules as $rule => $validateProp) {
541
                        $msgid = null;
542
                        if (isset($validateProp['message'])) {
543
                                if (is_array($validateProp['message'])) {
544
                                        $msgid = $validateProp['message'][0];
545
                                } else {
546
                                        $msgid = $validateProp['message'];
547
                                }
548
                        } elseif (is_string($rule)) {
549
                                $msgid = $rule;
550
                        }
551
                        if ($msgid) {
552
                                $msgid = $this->_formatString(sprintf("'%s'", $msgid));
553
                                $details = array(
554
                                        'file' => $file,
555
                                        'line' => 'validation for field ' . $field
556
                                );
557
                                $this->_addTranslation($category, $domain, $msgid, $details);
558
                        }
559
                }
560
        }
561

    
562
/**
563
 * Build the translate template file contents out of obtained strings
564
 *
565
 * @return void
566
 */
567
        protected function _buildFiles() {
568
                $paths = $this->_paths;
569
                $paths[] = realpath(APP) . DS;
570
                foreach ($this->_translations as $category => $domains) {
571
                        foreach ($domains as $domain => $translations) {
572
                                foreach ($translations as $msgid => $contexts) {
573
                                        foreach ($contexts as $context => $details) {
574
                                                $plural = $details['msgid_plural'];
575
                                                $files = $details['references'];
576
                                                $occurrences = array();
577
                                                foreach ($files as $file => $lines) {
578
                                                        $lines = array_unique($lines);
579
                                                        $occurrences[] = $file . ':' . implode(';', $lines);
580
                                                }
581
                                                $occurrences = implode("\n#: ", $occurrences);
582
                                                $header = '#: ' . str_replace(DS, '/', str_replace($paths, '', $occurrences)) . "\n";
583

    
584
                                                $sentence = '';
585
                                                if ($context) {
586
                                                        $sentence .= "msgctxt \"{$context}\"\n";
587
                                                }
588
                                                if ($plural === false) {
589
                                                        $sentence .= "msgid \"{$msgid}\"\n";
590
                                                        $sentence .= "msgstr \"\"\n\n";
591
                                                } else {
592
                                                        $sentence .= "msgid \"{$msgid}\"\n";
593
                                                        $sentence .= "msgid_plural \"{$plural}\"\n";
594
                                                        $sentence .= "msgstr[0] \"\"\n";
595
                                                        $sentence .= "msgstr[1] \"\"\n\n";
596
                                                }
597

    
598
                                                $this->_store($category, $domain, $header, $sentence);
599
                                                if (($category !== 'LC_MESSAGES' || $domain !== 'default') && $this->_merge) {
600
                                                        $this->_store('LC_MESSAGES', 'default', $header, $sentence);
601
                                                }
602
                                        }
603
                                }
604
                        }
605
                }
606
        }
607

    
608
/**
609
 * Prepare a file to be stored
610
 *
611
 * @param string $category The category
612
 * @param string $domain The domain
613
 * @param string $header The header content.
614
 * @param string $sentence The sentence to store.
615
 * @return void
616
 */
617
        protected function _store($category, $domain, $header, $sentence) {
618
                if (!isset($this->_storage[$category])) {
619
                        $this->_storage[$category] = array();
620
                }
621
                if (!isset($this->_storage[$category][$domain])) {
622
                        $this->_storage[$category][$domain] = array();
623
                }
624
                if (!isset($this->_storage[$category][$domain][$sentence])) {
625
                        $this->_storage[$category][$domain][$sentence] = $header;
626
                } else {
627
                        $this->_storage[$category][$domain][$sentence] .= $header;
628
                }
629
        }
630

    
631
/**
632
 * Write the files that need to be stored
633
 *
634
 * @return void
635
 */
636
        protected function _writeFiles() {
637
                $overwriteAll = false;
638
                if (!empty($this->params['overwrite'])) {
639
                        $overwriteAll = true;
640
                }
641
                foreach ($this->_storage as $category => $domains) {
642
                        foreach ($domains as $domain => $sentences) {
643
                                $output = $this->_writeHeader();
644
                                foreach ($sentences as $sentence => $header) {
645
                                        $output .= $header . $sentence;
646
                                }
647

    
648
                                $filename = $domain . '.pot';
649
                                if ($category === 'LC_MESSAGES') {
650
                                        $File = new File($this->_output . $filename);
651
                                } else {
652
                                        new Folder($this->_output . $category, true);
653
                                        $File = new File($this->_output . $category . DS . $filename);
654
                                }
655
                                $response = '';
656
                                while ($overwriteAll === false && $File->exists() && strtoupper($response) !== 'Y') {
657
                                        $this->out();
658
                                        $response = $this->in(
659
                                                __d('cake_console', 'Error: %s already exists in this location. Overwrite? [Y]es, [N]o, [A]ll', $filename),
660
                                                array('y', 'n', 'a'),
661
                                                'y'
662
                                        );
663
                                        if (strtoupper($response) === 'N') {
664
                                                $response = '';
665
                                                while (!$response) {
666
                                                        $response = $this->in(__d('cake_console', "What would you like to name this file?"), null, 'new_' . $filename);
667
                                                        $File = new File($this->_output . $response);
668
                                                        $filename = $response;
669
                                                }
670
                                        } elseif (strtoupper($response) === 'A') {
671
                                                $overwriteAll = true;
672
                                        }
673
                                }
674
                                $File->write($output);
675
                                $File->close();
676
                        }
677
                }
678
        }
679

    
680
/**
681
 * Build the translation template header
682
 *
683
 * @return string Translation template header
684
 */
685
        protected function _writeHeader() {
686
                $output = "# LANGUAGE translation of CakePHP Application\n";
687
                $output .= "# Copyright YEAR NAME <EMAIL@ADDRESS>\n";
688
                $output .= "#\n";
689
                $output .= "#, fuzzy\n";
690
                $output .= "msgid \"\"\n";
691
                $output .= "msgstr \"\"\n";
692
                $output .= "\"Project-Id-Version: PROJECT VERSION\\n\"\n";
693
                $output .= "\"PO-Revision-Date: YYYY-mm-DD HH:MM+ZZZZ\\n\"\n";
694
                $output .= "\"Last-Translator: NAME <EMAIL@ADDRESS>\\n\"\n";
695
                $output .= "\"Language-Team: LANGUAGE <EMAIL@ADDRESS>\\n\"\n";
696
                $output .= "\"MIME-Version: 1.0\\n\"\n";
697
                $output .= "\"Content-Type: text/plain; charset=utf-8\\n\"\n";
698
                $output .= "\"Content-Transfer-Encoding: 8bit\\n\"\n";
699
                $output .= "\"Plural-Forms: nplurals=INTEGER; plural=EXPRESSION;\\n\"\n\n";
700
                return $output;
701
        }
702

    
703
/**
704
 * Get the strings from the position forward
705
 *
706
 * @param int &$position Actual position on tokens array
707
 * @param int $target Number of strings to extract
708
 * @return array Strings extracted
709
 */
710
        protected function _getStrings(&$position, $target) {
711
                $strings = array();
712
                $count = count($strings);
713
                while ($count < $target && ($this->_tokens[$position] === ',' || $this->_tokens[$position][0] == T_CONSTANT_ENCAPSED_STRING || $this->_tokens[$position][0] == T_LNUMBER)) {
714
                        $count = count($strings);
715
                        if ($this->_tokens[$position][0] == T_CONSTANT_ENCAPSED_STRING && $this->_tokens[$position + 1] === '.') {
716
                                $string = '';
717
                                while ($this->_tokens[$position][0] == T_CONSTANT_ENCAPSED_STRING || $this->_tokens[$position] === '.') {
718
                                        if ($this->_tokens[$position][0] == T_CONSTANT_ENCAPSED_STRING) {
719
                                                $string .= $this->_formatString($this->_tokens[$position][1]);
720
                                        }
721
                                        $position++;
722
                                }
723
                                $strings[] = $string;
724
                        } elseif ($this->_tokens[$position][0] == T_CONSTANT_ENCAPSED_STRING) {
725
                                $strings[] = $this->_formatString($this->_tokens[$position][1]);
726
                        } elseif ($this->_tokens[$position][0] == T_LNUMBER) {
727
                                $strings[] = $this->_tokens[$position][1];
728
                        }
729
                        $position++;
730
                }
731
                return $strings;
732
        }
733

    
734
/**
735
 * Format a string to be added as a translatable string
736
 *
737
 * @param string $string String to format
738
 * @return string Formatted string
739
 */
740
        protected function _formatString($string) {
741
                $quote = substr($string, 0, 1);
742
                $string = substr($string, 1, -1);
743
                if ($quote === '"') {
744
                        $string = stripcslashes($string);
745
                } else {
746
                        $string = strtr($string, array("\\'" => "'", "\\\\" => "\\"));
747
                }
748
                $string = str_replace("\r\n", "\n", $string);
749
                return addcslashes($string, "\0..\37\\\"");
750
        }
751

    
752
/**
753
 * Indicate an invalid marker on a processed file
754
 *
755
 * @param string $file File where invalid marker resides
756
 * @param int $line Line number
757
 * @param string $marker Marker found
758
 * @param int $count Count
759
 * @return void
760
 */
761
        protected function _markerError($file, $line, $marker, $count) {
762
                $this->err(__d('cake_console', "Invalid marker content in %s:%s\n* %s(", $file, $line, $marker));
763
                $count += 2;
764
                $tokenCount = count($this->_tokens);
765
                $parenthesis = 1;
766

    
767
                while ((($tokenCount - $count) > 0) && $parenthesis) {
768
                        if (is_array($this->_tokens[$count])) {
769
                                $this->err($this->_tokens[$count][1], false);
770
                        } else {
771
                                $this->err($this->_tokens[$count], false);
772
                                if ($this->_tokens[$count] === '(') {
773
                                        $parenthesis++;
774
                                }
775

    
776
                                if ($this->_tokens[$count] === ')') {
777
                                        $parenthesis--;
778
                                }
779
                        }
780
                        $count++;
781
                }
782
                $this->err("\n", true);
783
        }
784

    
785
/**
786
 * Search files that may contain translatable strings
787
 *
788
 * @return void
789
 */
790
        protected function _searchFiles() {
791
                $pattern = false;
792
                if (!empty($this->_exclude)) {
793
                        $exclude = array();
794
                        foreach ($this->_exclude as $e) {
795
                                if (DS !== '\\' && $e[0] !== DS) {
796
                                        $e = DS . $e;
797
                                }
798
                                $exclude[] = preg_quote($e, '/');
799
                        }
800
                        $pattern = '/' . implode('|', $exclude) . '/';
801
                }
802
                foreach ($this->_paths as $path) {
803
                        $Folder = new Folder($path);
804
                        $files = $Folder->findRecursive('.*\.(php|ctp|thtml|inc|tpl)', true);
805
                        if (!empty($pattern)) {
806
                                foreach ($files as $i => $file) {
807
                                        if (preg_match($pattern, $file)) {
808
                                                unset($files[$i]);
809
                                        }
810
                                }
811
                                $files = array_values($files);
812
                        }
813
                        $this->_files = array_merge($this->_files, $files);
814
                }
815
        }
816

    
817
/**
818
 * Returns whether this execution is meant to extract string only from directories in folder represented by the
819
 * APP constant, i.e. this task is extracting strings from same application.
820
 *
821
 * @return bool
822
 */
823
        protected function _isExtractingApp() {
824
                return $this->_paths === array(APP);
825
        }
826

    
827
/**
828
 * Checks whether or not a given path is usable for writing.
829
 *
830
 * @param string $path Path to folder
831
 * @return bool true if it exists and is writable, false otherwise
832
 */
833
        protected function _isPathUsable($path) {
834
                return is_dir($path) && is_writable($path);
835
        }
836
}