2 * Copyright (c) 2000 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 * Implementation of keyval_array object
26 #include "keyval_array.h"
28 #include "keyval_type.h"
30 #include "bundle_log.h"
32 static keyval_method_collection_t method = {
33 (keyval_method_free_t) keyval_array_free,
34 (keyval_method_compare_t) keyval_array_compare,
35 (keyval_method_get_encoded_size_t) keyval_array_get_encoded_size,
36 (keyval_method_encode_t) keyval_array_encode,
37 (keyval_method_decode_t) keyval_array_decode
40 keyval_array_t *keyval_array_new(keyval_array_t *kva, const char *key,
41 const int type, const void **array_val, const unsigned int len)
43 int must_free_obj = kva ? 0 : 1;
47 kva = calloc(1, sizeof(keyval_array_t));
48 if (unlikely(kva == NULL)) {
49 set_last_result(BUNDLE_ERROR_OUT_OF_MEMORY);
55 kv = keyval_new((keyval_t *)kva, key, type, NULL, 0);
56 if (unlikely(kv == NULL)) {
57 set_last_result(BUNDLE_ERROR_OUT_OF_MEMORY);
61 kv->type = kv->type | BUNDLE_TYPE_ARRAY;
64 /* Set array value, if exist */
66 set_last_result(BUNDLE_ERROR_INVALID_PARAMETER);
68 keyval_array_free(kva, 1);
71 kva->array_val = calloc(len, sizeof(void *));
72 if (!(kva->array_val)) {
73 set_last_result(BUNDLE_ERROR_OUT_OF_MEMORY);
74 keyval_array_free(kva, 1);
77 /* array_element_size */
78 kva->array_element_size = calloc(len, sizeof(size_t));
79 if (!(kva->array_element_size)) {
80 set_last_result(BUNDLE_ERROR_OUT_OF_MEMORY);
81 keyval_array_free(kva, 1);
84 /* If available, copy array val */
86 && keyval_type_is_measurable(type)
87 && keyval_type_get_measure_size_func(type)) {
88 /* array_val have original data array. copy it! */
90 if (keyval_array_copy_array((keyval_array_t *)kv,
93 keyval_type_get_measure_size_func(type))
95 keyval_array_free(kva, 1);
101 kv->method = &method;
106 void keyval_array_free(keyval_array_t *kva, int do_free_object)
113 /* free keyval_array elements */
114 free(kva->array_element_size);
115 for (i = 0; i < kva->len; i++) {
116 if (kva->array_val[i])
117 free(kva->array_val[i]);
119 free(kva->array_val);
122 keyval_free((keyval_t *)kva, 0);
129 /* LCOV_EXCL_START */
130 int keyval_array_compare(keyval_array_t *kva1, keyval_array_t *kva2)
139 kv1 = (keyval_t *)kva1;
140 kv2 = (keyval_t *)kva2;
142 if (strcmp(kv1->key, kv2->key) != 0)
144 if (kv1->type != kv2->type)
146 if (kva1->len != kva2->len)
149 for (i = 0; i < kva1->len; i++) {
150 if (kva1->array_val[i] == NULL && kva2->array_val[i] == NULL)
152 if (kva1->array_val[i] == NULL || kva2->array_val[i] == NULL)
154 if (memcmp(kva1->array_val[i], kva2->array_val[i],
155 kva1->array_element_size[i]) != 0)
163 int keyval_array_copy_array(keyval_array_t *kva, void **array_val,
164 unsigned int array_len, size_t (*measure_val_len)(void *val))
166 keyval_t *kv = (keyval_t *)kva;
167 keyval_type_measure_size_func_t measure_size;
170 /* Get measure_size function of the value type */
171 measure_size = keyval_type_get_measure_size_func(kv->type);
175 /* Copy each array item */
176 for (i = 0; i < array_len; i++) {
177 kva->array_val[i] = malloc(measure_size(array_val[i]));
178 if (!(kva->array_val[i])) {
179 set_last_result(BUNDLE_ERROR_OUT_OF_MEMORY);
182 memcpy(kva->array_val[i], array_val[i],
183 measure_size(array_val[i]));
184 kva->array_element_size[i] = measure_size(array_val[i]);
189 for (i = 0; i < array_len; i++) {
190 if (kva->array_val[i]) {
191 free(kva->array_val[i]);
192 kva->array_val[i] = NULL;
198 int keyval_array_is_idx_valid(keyval_array_t *kva, int idx)
200 if (kva && kva->len > idx && 0 <= idx)
205 int keyval_array_set_element(keyval_array_t *kva, int idx, void *val, size_t size)
207 /* An element is already exist in the idx! */
208 if (kva->array_val[idx]) {
209 /* val==NULL means 'Free this element!' */
211 free(kva->array_val[idx]);
212 kva->array_val[idx] = NULL;
213 kva->array_element_size[idx] = 0;
216 return BUNDLE_ERROR_INVALID_PARAMETER;
219 /* Normal case. Copy value into the array. */
220 kva->array_val[idx] = malloc(size);
221 if (!(kva->array_val[idx]))
222 return BUNDLE_ERROR_OUT_OF_MEMORY;
224 memcpy(kva->array_val[idx], val, size);
225 kva->array_element_size[idx] = size;
229 return BUNDLE_ERROR_NONE;
232 int keyval_array_get_data(keyval_array_t *kva, int *type, void ***array_val,
233 unsigned int *len, size_t **array_element_size)
238 return BUNDLE_ERROR_INVALID_PARAMETER;
240 kv = (keyval_t *)kva;
241 if (!keyval_type_is_array(kv->type))
242 return BUNDLE_ERROR_INVALID_PARAMETER;
248 *array_val = kva->array_val;
251 if (array_element_size)
252 *array_element_size = kva->array_element_size;
254 return BUNDLE_ERROR_NONE;
257 size_t keyval_array_get_encoded_size(keyval_array_t *kva)
259 size_t sum_array_element_size = 0;
263 for (i = 0; i < kva->len; i++)
264 sum_array_element_size += kva->array_element_size[i];
266 encoded_size = sizeof(size_t) /* total size */
267 + sizeof(int) /* type */
268 + sizeof(size_t) /* keysize */
269 + strlen(((keyval_t *)kva)->key) + 1 /* key (+ null byte) */
270 + sizeof(int) /* len */
271 + kva->len * sizeof(size_t) /* array_element_size */
272 + sum_array_element_size;
277 size_t keyval_array_encode(keyval_array_t *kva, void **byte, size_t *byte_len)
279 keyval_t *kv = (keyval_t *)kva;
281 /* Calculate memory size for kva */
282 static const size_t sz_type = sizeof(int);
283 static const size_t sz_keysize = sizeof(size_t);
284 size_t sz_key = strlen(kv->key) + 1;
285 static const unsigned int sz_len = sizeof(int);
286 size_t sz_array_element_size = kva->len * sizeof(size_t);
287 size_t sz_array_val = 0;
290 for (i = 0; i < kva->len; i++)
291 sz_array_val += kva->array_element_size[i];
293 /* Allocate memory */
294 *byte_len = keyval_array_get_encoded_size(kva);
295 *byte = calloc(1, *byte_len);
302 memcpy(p, byte_len, sizeof(size_t));
304 memcpy(p, &(kv->type), sz_type);
306 memcpy(p, &sz_key, sz_keysize);
308 memcpy(p, kv->key, sz_key);
310 memcpy(p, &(kva->len), sz_len);
312 memcpy(p, kva->array_element_size, sz_array_element_size);
313 p += sz_array_element_size;
315 for (i = 0; i < kva->len; i++) {
316 memcpy(p, kva->array_val[i], kva->array_element_size[i]);
317 p += kva->array_element_size[i];
323 size_t keyval_array_decode(void *byte, keyval_array_t **kva, size_t byte_size)
325 static const size_t sz_byte_len = sizeof(size_t);
326 static const size_t sz_type = sizeof(int);
327 static const size_t sz_keysize = sizeof(size_t);
328 static const int sz_len = sizeof(unsigned int);
329 unsigned char *p = byte;
335 size_t *array_element_size;
338 size_t elem_size = 0;
339 size_t sum_array_element_size = 0;
343 byte_len = *((size_t *)p);
345 if (byte_size < sz_byte_len)
348 byte_size -= sz_byte_len;
352 if (byte_size < sz_type)
355 byte_size -= sz_type;
357 keysize = *((size_t *)p);
359 if (byte_size < sz_keysize)
362 byte_size -= sz_keysize;
366 if (byte_size < keysize)
369 if (!key || (strnlen(key, keysize) + 1) != keysize)
372 byte_size -= keysize;
374 len = *((unsigned int *)p);
376 if (byte_size < sz_len)
381 array_element_size = (size_t *)p;
383 if (byte_size < (sizeof(size_t) * len))
386 p += sizeof(size_t) * len;
387 array_val = (void *)p;
389 for (i = 0; i < len; ++i)
390 sum_array_element_size += array_element_size[i];
392 encoded_size = sz_byte_len + sz_type + sz_keysize + keysize +
393 sz_len + (sizeof(size_t) * len) + sum_array_element_size;
394 if (encoded_size != byte_len)
397 *kva = keyval_array_new(NULL, key, type, NULL, len);
398 for (i = 0; i < len; i++) {
399 elem_size += i ? array_element_size[i - 1] : 0;
400 if (keyval_array_set_element(*kva, i,
401 (void *)(array_val + elem_size),
402 array_element_size[i])) {
403 keyval_array_free(*kva, 1);