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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* CFL
* ===
* Copyright (C) 2022 The CFL Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cfl/cfl.h>
#include <cfl/cfl_kv.h>
#include <cfl/cfl_log.h>
void cfl_kv_init(struct cfl_list *list)
{
cfl_list_init(list);
}
struct cfl_kv *cfl_kv_item_create_len(struct cfl_list *list,
char *k_buf, size_t k_len,
char *v_buf, size_t v_len)
{
struct cfl_kv *kv;
kv = calloc(1, sizeof(struct cfl_kv));
if (kv == NULL) {
cfl_report_runtime_error();
return NULL;
}
kv->key = cfl_sds_create_len(k_buf, k_len);
if (kv->key == NULL) {
free(kv);
return NULL;
}
if (v_len > 0) {
kv->val = cfl_sds_create_len(v_buf, v_len);
if (kv->val == NULL) {
cfl_sds_destroy(kv->key);
free(kv);
return NULL;
}
}
cfl_list_add(&kv->_head, list);
return kv;
}
struct cfl_kv *cfl_kv_item_create(struct cfl_list *list,
char *k_buf, char *v_buf)
{
int k_len;
int v_len;
if (k_buf == NULL) {
return NULL;
}
k_len = strlen(k_buf);
if (v_buf != NULL) {
v_len = strlen(v_buf);
}
else {
v_len = 0;
}
return cfl_kv_item_create_len(list, k_buf, k_len, v_buf, v_len);
}
void cfl_kv_item_destroy(struct cfl_kv *kv)
{
if (kv->key != NULL) {
cfl_sds_destroy(kv->key);
}
if (kv->val != NULL) {
cfl_sds_destroy(kv->val);
}
cfl_list_del(&kv->_head);
free(kv);
}
void cfl_kv_release(struct cfl_list *list)
{
struct cfl_list *head;
struct cfl_list *tmp;
struct cfl_kv *kv;
cfl_list_foreach_safe(head, tmp, list) {
kv = cfl_list_entry(head, struct cfl_kv, _head);
cfl_kv_item_destroy(kv);
}
}
const char *cfl_kv_get_key_value(const char *key, struct cfl_list *list)
{
struct cfl_list *head;
int len;
struct cfl_kv *kv;
if (key == NULL) {
return NULL;
}
len = strlen(key);
if (len == 0) {
return NULL;
}
cfl_list_foreach(head, list) {
kv = cfl_list_entry(head, struct cfl_kv, _head);
if (cfl_sds_len(kv->key) != len) {
continue;
}
if (strncasecmp(kv->key, key, len) == 0) {
return kv->val;
}
}
return NULL;
}
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