kvstore.h

/*
 * Copyright regify
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef REGIFY_UTIL_KVSTORE_H
#define REGIFY_UTIL_KVSTORE_H
/* Only need to export C interface if used by C++ source code */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct KvStore_;
 
typedef int32_t (*kvset) (struct KvStore_* kvs, const char* key,
        const char* val, rusize len);
 
typedef int32_t (*kvget) (struct KvStore_* kvs, const char* key,
        char** val, rusize* len);
 
typedef int32_t (*kvlist) (struct KvStore_* kvs, const char* key,
                          ruList* list);
 
typedef struct KvStore_ {
    // internal
    ru_uint type;
    ruFreeFunc ctxFree;
    kvset set;
    kvget get;
    kvlist list;
    void* ctx;
} KvStore;
 
RUAPI KvStore* ruNewStore(void);
 
RUAPI void ruFreeStore(void* obj);
 
RUAPI int32_t ruValidStore(void* obj);
 
typedef void* ruFileStore;
 
RUAPI KvStore* ruNewFileStore (const char *folderPath, int32_t* code);
 
RUAPI int32_t ruFileStoreSet (KvStore *kvs, const char* key, const char *val, rusize len);
 
RUAPI int32_t ruFileStoreGet (KvStore *kvs, const char* key, char **val, rusize* len);
 
RUAPI int32_t ruFileStoreList (KvStore *kvs, const char* key, ruList* result);
 
typedef void* ruNullStore;
 
RUAPI KvStore* ruNewNullStore(void);
 
RUAPI int32_t ruNullStoreSet (KvStore *kvs, const char* key, const char *val, rusize len);
 
RUAPI int32_t ruNullStoreGet (KvStore *kvs, const char* key, char **val, rusize* len);
 
RUAPI int32_t ruNullStoreList (KvStore *kvs, const char* key, ruList* list);
 
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif //REGIFY_UTIL_KVSTORE_H