1 /*
2 +----------------------------------------------------------------------+
3 | This source file is subject to version 3.01 of the PHP license, |
4 | that is bundled with this package in the file LICENSE, and is |
5 | available through the world-wide-web at the following url: |
6 | https://www.php.net/license/3_01.txt |
7 | If you did not receive a copy of the PHP license and are unable to |
8 | obtain it through the world-wide-web, please send a note to |
9 | license@php.net so we can mail you a copy immediately. |
10 +----------------------------------------------------------------------+
11 | Authors: Gustavo Lopes <cataphract@php.net> |
12 +----------------------------------------------------------------------+
13 */
14
15 #ifdef HAVE_CONFIG_H
16 #include "config.h"
17 #endif
18
19 #include <unicode/brkiter.h>
20 #include <unicode/rbbi.h>
21 #include "codepointiterator_internal.h"
22
23 #include "breakiterator_iterators.h"
24
25 #include <typeinfo>
26
27 extern "C" {
28 #define USE_BREAKITERATOR_POINTER 1
29 #include "breakiterator_class.h"
30 #include "breakiterator_arginfo.h"
31 #include <zend_exceptions.h>
32 #include <zend_interfaces.h>
33 #include <assert.h>
34 }
35
36 using PHP::CodePointBreakIterator;
37 using icu::RuleBasedBreakIterator;
38
39 /* {{{ Global variables */
40 zend_class_entry *BreakIterator_ce_ptr;
41 zend_class_entry *RuleBasedBreakIterator_ce_ptr;
42 zend_class_entry *CodePointBreakIterator_ce_ptr;
43 zend_object_handlers BreakIterator_handlers;
44 /* }}} */
45
breakiterator_object_create(zval * object,BreakIterator * biter,int brand_new)46 U_CFUNC void breakiterator_object_create(zval *object,
47 BreakIterator *biter, int brand_new)
48 {
49 UClassID classId = biter->getDynamicClassID();
50 zend_class_entry *ce;
51
52 if (classId == RuleBasedBreakIterator::getStaticClassID()) {
53 ce = RuleBasedBreakIterator_ce_ptr;
54 } else if (classId == CodePointBreakIterator::getStaticClassID()) {
55 ce = CodePointBreakIterator_ce_ptr;
56 } else {
57 ce = BreakIterator_ce_ptr;
58 }
59
60 if (brand_new) {
61 object_init_ex(object, ce);
62 }
63 breakiterator_object_construct(object, biter);
64 }
65
breakiterator_object_construct(zval * object,BreakIterator * biter)66 U_CFUNC void breakiterator_object_construct(zval *object,
67 BreakIterator *biter)
68 {
69 BreakIterator_object *bio;
70
71 BREAKITER_METHOD_FETCH_OBJECT_NO_CHECK; //populate to from object
72 ZEND_ASSERT(bio->biter == NULL);
73 bio->biter = biter;
74 }
75
76 /* {{{ compare handler for BreakIterator */
BreakIterator_compare_objects(zval * object1,zval * object2)77 static int BreakIterator_compare_objects(zval *object1,
78 zval *object2)
79 {
80 BreakIterator_object *bio1,
81 *bio2;
82
83 ZEND_COMPARE_OBJECTS_FALLBACK(object1, object2);
84
85 bio1 = Z_INTL_BREAKITERATOR_P(object1);
86 bio2 = Z_INTL_BREAKITERATOR_P(object2);
87
88 if (bio1->biter == NULL || bio2->biter == NULL) {
89 return bio1->biter == bio2->biter ? 0 : 1;
90 }
91
92 return *bio1->biter == *bio2->biter ? 0 : 1;
93 }
94 /* }}} */
95
96 /* {{{ clone handler for BreakIterator */
BreakIterator_clone_obj(zend_object * object)97 static zend_object *BreakIterator_clone_obj(zend_object *object)
98 {
99 BreakIterator_object *bio_orig,
100 *bio_new;
101 zend_object *ret_val;
102
103 bio_orig = php_intl_breakiterator_fetch_object(object);
104 intl_errors_reset(INTL_DATA_ERROR_P(bio_orig));
105
106 ret_val = BreakIterator_ce_ptr->create_object(object->ce);
107 bio_new = php_intl_breakiterator_fetch_object(ret_val);
108
109 zend_objects_clone_members(&bio_new->zo, &bio_orig->zo);
110
111 if (bio_orig->biter != NULL) {
112 BreakIterator *new_biter;
113
114 new_biter = bio_orig->biter->clone();
115 if (!new_biter) {
116 zend_string *err_msg;
117 intl_errors_set_code(BREAKITER_ERROR_P(bio_orig),
118 U_MEMORY_ALLOCATION_ERROR);
119 intl_errors_set_custom_msg(BREAKITER_ERROR_P(bio_orig),
120 "Could not clone BreakIterator", 0);
121 err_msg = intl_error_get_message(BREAKITER_ERROR_P(bio_orig));
122 zend_throw_exception(NULL, ZSTR_VAL(err_msg), 0);
123 zend_string_free(err_msg);
124 } else {
125 bio_new->biter = new_biter;
126 ZVAL_COPY(&bio_new->text, &bio_orig->text);
127 }
128 } else {
129 zend_throw_exception(NULL, "Cannot clone unconstructed BreakIterator", 0);
130 }
131
132 return ret_val;
133 }
134 /* }}} */
135
136 /* {{{ get_debug_info handler for BreakIterator */
BreakIterator_get_debug_info(zend_object * object,int * is_temp)137 static HashTable *BreakIterator_get_debug_info(zend_object *object, int *is_temp)
138 {
139 zval val;
140 HashTable *debug_info;
141 BreakIterator_object *bio;
142 const BreakIterator *biter;
143
144 *is_temp = 1;
145
146 debug_info = zend_new_array(8);
147
148 bio = php_intl_breakiterator_fetch_object(object);
149 biter = bio->biter;
150
151 if (biter == NULL) {
152 ZVAL_FALSE(&val);
153 zend_hash_str_update(debug_info, "valid", sizeof("valid") - 1, &val);
154 return debug_info;
155 }
156 ZVAL_TRUE(&val);
157 zend_hash_str_update(debug_info, "valid", sizeof("valid") - 1, &val);
158
159 if (Z_ISUNDEF(bio->text)) {
160 ZVAL_NULL(&val);
161 zend_hash_str_update(debug_info, "text", sizeof("text") - 1, &val);
162 } else {
163 Z_TRY_ADDREF(bio->text);
164 zend_hash_str_update(debug_info, "text", sizeof("text") - 1, &bio->text);
165 }
166
167 ZVAL_STRING(&val, const_cast<char*>(typeid(*biter).name()));
168 zend_hash_str_update(debug_info, "type", sizeof("type") - 1, &val);
169
170 return debug_info;
171 }
172 /* }}} */
173
174 /* {{{ void breakiterator_object_init(BreakIterator_object* to)
175 * Initialize internals of BreakIterator_object not specific to zend standard objects.
176 */
breakiterator_object_init(BreakIterator_object * bio)177 static void breakiterator_object_init(BreakIterator_object *bio)
178 {
179 intl_error_init(BREAKITER_ERROR_P(bio));
180 bio->biter = NULL;
181 ZVAL_UNDEF(&bio->text);
182 }
183 /* }}} */
184
185 /* {{{ BreakIterator_objects_free */
BreakIterator_objects_free(zend_object * object)186 static void BreakIterator_objects_free(zend_object *object)
187 {
188 BreakIterator_object* bio = php_intl_breakiterator_fetch_object(object);
189
190 zval_ptr_dtor(&bio->text);
191 if (bio->biter) {
192 delete bio->biter;
193 bio->biter = NULL;
194 }
195 intl_error_reset(BREAKITER_ERROR_P(bio));
196
197 zend_object_std_dtor(&bio->zo);
198 }
199 /* }}} */
200
201 /* {{{ BreakIterator_object_create */
BreakIterator_object_create(zend_class_entry * ce)202 static zend_object *BreakIterator_object_create(zend_class_entry *ce)
203 {
204 BreakIterator_object* intern;
205
206 intern = (BreakIterator_object*) zend_object_alloc(sizeof(BreakIterator_object), ce);
207
208 zend_object_std_init(&intern->zo, ce);
209 object_properties_init(&intern->zo, ce);
210 breakiterator_object_init(intern);
211
212 return &intern->zo;
213 }
214 /* }}} */
215
216 /* {{{ breakiterator_register_BreakIterator_class
217 * Initialize 'BreakIterator' class
218 */
breakiterator_register_BreakIterator_class(void)219 U_CFUNC void breakiterator_register_BreakIterator_class(void)
220 {
221 /* Create and register 'BreakIterator' class. */
222
223 BreakIterator_ce_ptr = register_class_IntlBreakIterator(zend_ce_aggregate);
224 BreakIterator_ce_ptr->create_object = BreakIterator_object_create;
225 BreakIterator_ce_ptr->default_object_handlers = &BreakIterator_handlers;
226 BreakIterator_ce_ptr->get_iterator = _breakiterator_get_iterator;
227
228 memcpy(&BreakIterator_handlers, &std_object_handlers,
229 sizeof BreakIterator_handlers);
230 BreakIterator_handlers.offset = XtOffsetOf(BreakIterator_object, zo);
231 BreakIterator_handlers.compare = BreakIterator_compare_objects;
232 BreakIterator_handlers.clone_obj = BreakIterator_clone_obj;
233 BreakIterator_handlers.get_debug_info = BreakIterator_get_debug_info;
234 BreakIterator_handlers.free_obj = BreakIterator_objects_free;
235
236 /* Create and register 'RuleBasedBreakIterator' class. */
237 RuleBasedBreakIterator_ce_ptr = register_class_IntlRuleBasedBreakIterator(BreakIterator_ce_ptr);
238
239 /* Create and register 'CodePointBreakIterator' class. */
240 CodePointBreakIterator_ce_ptr = register_class_IntlCodePointBreakIterator(BreakIterator_ce_ptr);
241 }
242 /* }}} */
243
