1 /* Copyright JS Foundation and other contributors, http://js.foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ecma-alloc.h"
17 #include "ecma-helpers.h"
18 #include "ecma-builtin-helpers.h"
19 #include "lit-char-helpers.h"
20
21 #if ENABLED (JERRY_BUILTIN_JSON)
22
23 /** \addtogroup ecma ECMA
24 * @{
25 *
26 * \addtogroup ecmabuiltinhelpers ECMA builtin helper operations
27 * @{
28 */
29
30 /**
31 * Check whether the object is pushed onto the occurence stack
32 *
33 * Used by:
34 * - ecma_builtin_json_object step 1
35 * - ecma_builtin_json_array step 1
36 *
37 * @return true - if the object is pushed onto the occurence stack
38 * false - otherwise
39 */
40 bool
ecma_json_has_object_in_stack(ecma_json_occurence_stack_item_t * stack_p,ecma_object_t * object_p)41 ecma_json_has_object_in_stack (ecma_json_occurence_stack_item_t *stack_p, /**< stack */
42 ecma_object_t *object_p) /**< object */
43 {
44 while (stack_p != NULL)
45 {
46 if (stack_p->object_p == object_p)
47 {
48 return true;
49 }
50
51 stack_p = stack_p->next_p;
52 }
53
54 return false;
55 } /* ecma_json_has_object_in_stack */
56
57 /**
58 * Check the string value existance in the collection.
59 *
60 * Used by:
61 * - ecma_builtin_json_stringify step 4.b.ii.5
62 *
63 * @return true, if the string is already in the collection.
64 */
65 bool
ecma_has_string_value_in_collection(ecma_collection_t * collection_p,ecma_string_t * string_p)66 ecma_has_string_value_in_collection (ecma_collection_t *collection_p, /**< collection */
67 ecma_string_t *string_p) /**< string */
68 {
69 ecma_value_t *buffer_p = collection_p->buffer_p;
70
71 for (uint32_t i = 0; i < collection_p->item_count; i++)
72 {
73 ecma_string_t *current_p = ecma_get_string_from_value (buffer_p[i]);
74
75 if (ecma_compare_ecma_strings (current_p, string_p))
76 {
77 return true;
78 }
79 }
80
81 return false;
82 } /* ecma_has_string_value_in_collection */
83
84 #endif /* ENABLED (JERRY_BUILTIN_JSON) */
85
86 /**
87 * @}
88 * @}
89 */
90