1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Gustavo Lopes <cataphract@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php_intl.h"
#include "transliterator.h"
#include "transliterator_class.h"
#include "transliterator_methods.h"
#include "intl_data.h"
#include "intl_convert.h"
#include <zend_exceptions.h>
static int create_transliterator( char *str_id, size_t str_id_len, zend_long direction, zval *object )
{
Transliterator_object *to;
UChar *ustr_id = NULL;
int32_t ustr_id_len = 0;
UTransliterator *utrans;
UParseError parse_error = {0, -1};
intl_error_reset( NULL );
if( ( direction != TRANSLITERATOR_FORWARD ) && (direction != TRANSLITERATOR_REVERSE ) )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_create: invalid direction", 0 );
return FAILURE;
}
object_init_ex( object, Transliterator_ce_ptr );
TRANSLITERATOR_METHOD_FETCH_OBJECT_NO_CHECK; /* fetch zend object from zval "object" into "to" */
/* Convert transliterator id to UTF-16 */
intl_convert_utf8_to_utf16( &ustr_id, &ustr_id_len, str_id, str_id_len, TRANSLITERATOR_ERROR_CODE_P( to ) );
if( U_FAILURE( TRANSLITERATOR_ERROR_CODE( to ) ) )
{
intl_error_set_code( NULL, TRANSLITERATOR_ERROR_CODE( to ) );
intl_error_set_custom_msg( NULL, "String conversion of id to UTF-16 failed", 0 );
zval_dtor( object );
return FAILURE;
}
/* Open ICU Transliterator. */
utrans = utrans_openU( ustr_id, ustr_id_len, (UTransDirection ) direction,
NULL, -1, &parse_error, TRANSLITERATOR_ERROR_CODE_P( to ) );
if (ustr_id) {
efree( ustr_id );
}
if( U_FAILURE( TRANSLITERATOR_ERROR_CODE( to ) ) )
{
char *buf = NULL;
intl_error_set_code( NULL, TRANSLITERATOR_ERROR_CODE( to ) );
spprintf( &buf, 0, "transliterator_create: unable to open ICU transliterator"
" with id \"%s\"", str_id );
if( buf == NULL ) {
intl_error_set_custom_msg( NULL,
"transliterator_create: unable to open ICU transliterator", 0 );
}
else
{
intl_error_set_custom_msg( NULL, buf, /* copy message */ 1 );
efree( buf );
}
zval_dtor( object );
return FAILURE;
}
transliterator_object_construct( object, utrans, TRANSLITERATOR_ERROR_CODE_P( to ) );
/* no need to close the transliterator manually on construction error */
if( U_FAILURE( TRANSLITERATOR_ERROR_CODE( to ) ) )
{
intl_error_set_code( NULL, TRANSLITERATOR_ERROR_CODE( to ) );
intl_error_set_custom_msg( NULL,
"transliterator_create: internal constructor call failed", 0 );
zval_dtor( object );
return FAILURE;
}
return SUCCESS;
}
/* {{{ proto Transliterator transliterator_create( string id [, int direction ] )
* proto Transliterator Transliterator::create( string id [, int direction ] )
* Opens a transliterator by id.
*/
PHP_FUNCTION( transliterator_create )
{
char *str_id;
size_t str_id_len;
zend_long direction = TRANSLITERATOR_FORWARD;
int res;
TRANSLITERATOR_METHOD_INIT_VARS;
(void) to; /* unused */
if( zend_parse_parameters( ZEND_NUM_ARGS(), "s|l",
&str_id, &str_id_len, &direction ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_create: bad arguments", 0 );
RETURN_NULL();
}
object = return_value;
res = create_transliterator( str_id, str_id_len, direction, object );
if( res == FAILURE )
RETURN_NULL();
/* success, leave return_value as it is (set by create_transliterator) */
}
/* }}} */
/* {{{ proto Transliterator transliterator_create_from_rules( string rules [, int direction ] )
* proto Transliterator Transliterator::createFromRules( string rules [, int direction ] )
* Opens a transliterator by id.
*/
PHP_FUNCTION( transliterator_create_from_rules )
{
char *str_rules;
size_t str_rules_len;
UChar *ustr_rules = NULL;
int32_t ustr_rules_len = 0;
zend_long direction = TRANSLITERATOR_FORWARD;
UParseError parse_error = {0, -1};
UTransliterator *utrans;
UChar id[] = {0x52, 0x75, 0x6C, 0x65, 0x73, 0x54, 0x72,
0x61, 0x6E, 0x73, 0x50, 0x48, 0x50, 0}; /* RulesTransPHP */
TRANSLITERATOR_METHOD_INIT_VARS;
if( zend_parse_parameters( ZEND_NUM_ARGS(), "s|l",
&str_rules, &str_rules_len, &direction ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_create_from_rules: bad arguments", 0 );
RETURN_NULL();
}
if( ( direction != TRANSLITERATOR_FORWARD ) && (direction != TRANSLITERATOR_REVERSE ) )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_create_from_rules: invalid direction", 0 );
RETURN_NULL();
}
object = return_value;
object_init_ex( object, Transliterator_ce_ptr );
TRANSLITERATOR_METHOD_FETCH_OBJECT_NO_CHECK;
intl_convert_utf8_to_utf16( &ustr_rules, &ustr_rules_len,
str_rules, str_rules_len, TRANSLITERATOR_ERROR_CODE_P( to ) );
/* (I'm not a big fan of non-obvious flow control macros ).
* This one checks the error value, destroys object and returns false */
INTL_METHOD_CHECK_STATUS_OR_NULL( to, "String conversion of rules to UTF-16 failed" );
/* Open ICU Transliterator. */
utrans = utrans_openU( id, ( sizeof( id ) - 1 ) / ( sizeof( *id ) ), (UTransDirection ) direction,
ustr_rules, ustr_rules_len, &parse_error, TRANSLITERATOR_ERROR_CODE_P( to ) );
if (ustr_rules) {
efree( ustr_rules );
}
intl_error_set_code( NULL, INTL_DATA_ERROR_CODE( to ) );
if( U_FAILURE( INTL_DATA_ERROR_CODE( to ) ) )
{
char *msg = NULL;
smart_str parse_error_str;
parse_error_str = intl_parse_error_to_string( &parse_error );
spprintf( &msg, 0, "transliterator_create_from_rules: unable to "
"create ICU transliterator from rules (%s)", parse_error_str.s? ZSTR_VAL(parse_error_str.s) : "" );
smart_str_free( &parse_error_str );
if( msg != NULL )
{
intl_errors_set_custom_msg( INTL_DATA_ERROR_P( to ), msg, 1 );
efree( msg );
}
zval_dtor( return_value );
RETURN_NULL();
}
transliterator_object_construct( object, utrans, TRANSLITERATOR_ERROR_CODE_P( to ) );
/* no need to close the transliterator manually on construction error */
INTL_METHOD_CHECK_STATUS_OR_NULL( to, "transliterator_create_from_rules: internal constructor call failed" );
}
/* }}} */
/* {{{ proto Transliterator transliterator_create_inverse( Transliterator orig_trans )
* proto Transliterator Transliterator::createInverse()
* Opens the inverse transliterator transliterator.
*/
PHP_FUNCTION( transliterator_create_inverse )
{
Transliterator_object *to_orig;
UTransliterator *utrans;
TRANSLITERATOR_METHOD_INIT_VARS;
if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "O",
&object, Transliterator_ce_ptr ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_create_inverse: bad arguments", 0 );
RETURN_NULL();
}
TRANSLITERATOR_METHOD_FETCH_OBJECT;
to_orig = to;
object = return_value;
object_init_ex( object, Transliterator_ce_ptr );
TRANSLITERATOR_METHOD_FETCH_OBJECT_NO_CHECK; /* change "to" into new object (from "object" ) */
utrans = utrans_openInverse( to_orig->utrans, TRANSLITERATOR_ERROR_CODE_P( to ) );
INTL_METHOD_CHECK_STATUS_OR_NULL( to, "transliterator_create_inverse: could not create "
"inverse ICU transliterator" );
transliterator_object_construct( object, utrans, TRANSLITERATOR_ERROR_CODE_P( to ) );
/* no need to close the transliterator manually on construction error */
INTL_METHOD_CHECK_STATUS_OR_NULL( to, "transliterator_create: internal constructor call failed" );
}
/* }}} */
/* {{{ proto array transliterator_list_ids()
* proto array Transliterator::listIDs()
* Return an array with the registered transliterator IDs.
*/
PHP_FUNCTION( transliterator_list_ids )
{
UEnumeration *en;
const UChar *elem;
int32_t elem_len;
UErrorCode status = U_ZERO_ERROR;
intl_error_reset( NULL );
if( zend_parse_parameters_none() == FAILURE )
{
/* seems to be the convention in this lib to return false instead of
* null on bad parameter types, except on constructors and factory
* methods */
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_list_ids: bad arguments", 0 );
RETURN_FALSE;
}
en = utrans_openIDs( &status );
INTL_CHECK_STATUS( status,
"transliterator_list_ids: Failed to obtain registered transliterators" );
array_init( return_value );
while( (elem = uenum_unext( en, &elem_len, &status )) )
{
char *el_char = NULL;
size_t el_len = 0;
intl_convert_utf16_to_utf8( &el_char, &el_len, elem, elem_len, &status );
if( U_FAILURE( status ) )
{
efree( el_char );
break;
}
else
{
// TODO: avoid reallocation ???
add_next_index_stringl( return_value, el_char, el_len);
efree(el_char);
}
}
uenum_close( en );
intl_error_set_code( NULL, status );
if( U_FAILURE( status ) )
{
zval_dtor( return_value );
RETVAL_FALSE;
intl_error_set_custom_msg( NULL, "transliterator_list_ids: "
"Failed to build array of registered transliterators", 0 );
}
}
/* }}} */
/* {{{ proto string transliterator_transliterate( Transliterator trans, string subject [, int start = 0 [, int end = -1 ]] )
* proto string Transliterator::transliterate( string subject [, int start = 0 [, int end = -1 ]] )
* Transliterate a string. */
PHP_FUNCTION( transliterator_transliterate )
{
char *str;
UChar *ustr = NULL,
*uresult = NULL;
size_t str_len;
int32_t ustr_len = 0,
capacity,
uresult_len;
zend_long start = 0,
limit = -1;
int success = 0;
zval tmp_object;
TRANSLITERATOR_METHOD_INIT_VARS;
object = getThis();
ZVAL_UNDEF(&tmp_object);
if( object == NULL )
{
/* in non-OOP version, accept both a transliterator and a string */
zval *arg1;
if( zend_parse_parameters( ZEND_NUM_ARGS(), "zs|ll",
&arg1, &str, &str_len, &start, &limit ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_transliterate: bad arguments", 0 );
RETURN_FALSE;
}
if( Z_TYPE_P( arg1 ) == IS_OBJECT &&
instanceof_function( Z_OBJCE_P( arg1 ), Transliterator_ce_ptr ) )
{
object = arg1;
}
else
{ /* not a transliterator object as first argument */
int res;
if(Z_TYPE_P( arg1 ) != IS_STRING )
{
SEPARATE_ZVAL( arg1 );
convert_to_string( arg1 );
}
object = &tmp_object;
res = create_transliterator( Z_STRVAL_P( arg1 ), Z_STRLEN_P( arg1 ),
TRANSLITERATOR_FORWARD, object );
if( res == FAILURE )
{
zend_string *message = intl_error_get_message( NULL );
php_error_docref0( NULL, E_WARNING, "Could not create "
"transliterator with ID \"%s\" (%s)", Z_STRVAL_P( arg1 ), ZSTR_VAL(message) );
zend_string_free( message );
ZVAL_UNDEF(&tmp_object);
/* don't set U_ILLEGAL_ARGUMENT_ERROR to allow fetching of inner error */
goto cleanup;
}
}
}
else if( zend_parse_parameters( ZEND_NUM_ARGS(), "s|ll",
&str, &str_len, &start, &limit ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_transliterate: bad arguments", 0 );
RETURN_FALSE;
}
if( limit < -1 )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_transliterate: \"end\" argument should be "
"either non-negative or -1", 0 );
RETURN_FALSE;
}
if( start < 0 || ((limit != -1 ) && (start > limit )) )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_transliterate: \"start\" argument should be "
"non-negative and not bigger than \"end\" (if defined)", 0 );
RETURN_FALSE;
}
/* end argument parsing/validation */
TRANSLITERATOR_METHOD_FETCH_OBJECT;
intl_convert_utf8_to_utf16( &ustr, &ustr_len, str, str_len,
TRANSLITERATOR_ERROR_CODE_P( to ) );
INTL_METHOD_CHECK_STATUS( to, "String conversion of string to UTF-16 failed" );
/* we've started allocating resources, goto from now on */
if( ( start > ustr_len ) || (( limit != -1 ) && (limit > ustr_len ) ) )
{
char *msg;
spprintf( &msg, 0,
"transliterator_transliterate: Neither \"start\" nor the \"end\" "
"arguments can exceed the number of UTF-16 code units "
"(in this case, %d)", (int) ustr_len );
if(msg != NULL )
{
intl_errors_set( TRANSLITERATOR_ERROR_P( to ), U_ILLEGAL_ARGUMENT_ERROR,
msg, 1 );
efree( msg );
}
RETVAL_FALSE;
goto cleanup;
}
uresult = safe_emalloc( ustr_len, sizeof( UChar ), 1 * sizeof( UChar ) );
capacity = ustr_len + 1;
while( 1 )
{
int32_t temp_limit = ( limit == -1 ? ustr_len : (int32_t) limit );
memcpy( uresult, ustr, ustr_len * sizeof( UChar ) );
uresult_len = ustr_len;
utrans_transUChars( to->utrans, uresult, &uresult_len, capacity, (int32_t) start,
&temp_limit, TRANSLITERATOR_ERROR_CODE_P( to ) );
if( TRANSLITERATOR_ERROR_CODE( to ) == U_BUFFER_OVERFLOW_ERROR )
{
efree( uresult );
uresult = safe_emalloc( uresult_len, sizeof( UChar ), 1 * sizeof( UChar ) );
capacity = uresult_len + 1;
intl_error_reset( TRANSLITERATOR_ERROR_P( to ) );
}
else if(TRANSLITERATOR_ERROR_CODE( to ) == U_STRING_NOT_TERMINATED_WARNING )
{
uresult = safe_erealloc( uresult, uresult_len, sizeof( UChar ), 1 * sizeof( UChar ) );
intl_error_reset( TRANSLITERATOR_ERROR_P( to ) );
break;
}
else if( U_FAILURE( TRANSLITERATOR_ERROR_CODE( to ) ) )
{
intl_error_set_code( NULL, TRANSLITERATOR_ERROR_CODE( to ) );
intl_errors_set_custom_msg( TRANSLITERATOR_ERROR_P( to ),
"transliterator_transliterate: transliteration failed", 0 );
goto cleanup;
}
else
break;
}
uresult[uresult_len] = (UChar) 0;
success = 1;
cleanup:
if( ustr )
efree( ustr );
if( success ) {
/* frees uresult even on error */
INTL_METHOD_RETVAL_UTF8( to, uresult, uresult_len, 1 );
}
else
{
if( uresult )
efree( uresult );
RETVAL_FALSE;
}
zval_ptr_dtor( &tmp_object );
}
/* }}} */
PHP_METHOD( Transliterator, __construct )
{
/* this constructor shouldn't be called as it's private */
zend_throw_exception( NULL,
"An object of this type cannot be created with the new operator.",
0 );
}
/* {{{ proto int transliterator_get_error_code( Transliterator trans )
* proto int Transliterator::getErrorCode()
* Get the last error code for this transliterator.
*/
PHP_FUNCTION( transliterator_get_error_code )
{
TRANSLITERATOR_METHOD_INIT_VARS
if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "O",
&object, Transliterator_ce_ptr ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_get_error_code: unable to parse input params", 0 );
RETURN_FALSE;
}
/* Fetch the object (without resetting its last error code ). */
to = Z_INTL_TRANSLITERATOR_P( object );
if (to == NULL )
RETURN_FALSE;
RETURN_LONG( (zend_long) TRANSLITERATOR_ERROR_CODE( to ) );
}
/* }}} */
/* {{{ proto string transliterator_get_error_message( Transliterator trans )
* proto string Transliterator::getErrorMessage()
* Get the last error message for this transliterator.
*/
PHP_FUNCTION( transliterator_get_error_message )
{
zend_string* message = NULL;
TRANSLITERATOR_METHOD_INIT_VARS
if( zend_parse_method_parameters( ZEND_NUM_ARGS(), getThis(), "O",
&object, Transliterator_ce_ptr ) == FAILURE )
{
intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
"transliterator_get_error_message: unable to parse input params", 0 );
RETURN_FALSE;
}
/* Fetch the object (without resetting its last error code ). */
to = Z_INTL_TRANSLITERATOR_P( object );
if (to == NULL )
RETURN_FALSE;
/* Return last error message. */
message = intl_error_get_message( TRANSLITERATOR_ERROR_P( to ) );
RETURN_STR( message );
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
|