WiiUPluginSystem/include/wups/storage.h

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#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
#include <stdint.h>
typedef enum wups_storage_type_t_ {
WUPS_STORAGE_TYPE_INVALID,
WUPS_STORAGE_TYPE_STRING,
WUPS_STORAGE_TYPE_INT,
WUPS_STORAGE_TYPE_ITEM,
} wups_storage_type_t;
typedef enum {
WUPS_STORAGE_ERROR_SUCCESS = 0,
WUPS_STORAGE_ERROR_NOT_OPENED = -1,
WUPS_STORAGE_ERROR_ALREADY_OPENED = -2,
WUPS_STORAGE_ERROR_INVALID_ARGS = -3,
WUPS_STORAGE_ERROR_NOT_FOUND = -4,
WUPS_STORAGE_ERROR_NOT_INITIALIZED = -5,
WUPS_STORAGE_ERROR_INVALID_BACKEND_PARAMS = -6,
WUPS_STORAGE_ERROR_INVALID_JSON = -7,
WUPS_STORAGE_ERROR_IO = -8,
WUPS_STORAGE_ERROR_B64_DECODE_FAILED = -9,
WUPS_STORAGE_ERROR_BUFFER_TOO_SMALL = -10,
WUPS_STORAGE_ERROR_MALLOC_FAILED = -11,
WUPS_STORAGE_ERROR_NOT_ACTIVE_CATEGORY = -13,
} WUPSStorageError;
typedef struct wups_storage_item_t_ {
char *key;
void *data;
uint32_t data_size;
uint32_t deleted;
wups_storage_type_t type;
} wups_storage_item_t;
typedef WUPSStorageError (*OpenStorageFunction)(const char *plugin_id, wups_storage_item_t *items);
typedef WUPSStorageError (*CloseStorageFunction)(const char *plugin_id, wups_storage_item_t *items);
typedef struct wups_loader_init_storage_args_t_ {
OpenStorageFunction open_storage_ptr;
CloseStorageFunction close_storage_ptr;
const char *plugin_id;
} wups_loader_init_storage_args_t;
/* called by backend */
void WUPS_InitStorage(wups_loader_init_storage_args_t args);
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const char *WUPS_GetStorageStatusStr(WUPSStorageError status);
/* opens storage for reading and writing */
WUPSStorageError WUPS_OpenStorage(void);
/* closes storage and saves changes */
WUPSStorageError WUPS_CloseStorage(void);
/* deletes key from storage */
WUPSStorageError WUPS_DeleteItem(wups_storage_item_t *parent, const char *key);
/* returns the size of key on success, or an error code */
// TODO do we need this? what about binary data?
// int32_t WUPS_GetSize(const char* key);
WUPSStorageError WUPS_CreateSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem);
WUPSStorageError WUPS_GetSubItem(wups_storage_item_t *parent, const char *key, wups_storage_item_t **outItem);
WUPSStorageError WUPS_StoreString(wups_storage_item_t *parent, const char *key, const char *string);
WUPSStorageError WUPS_StoreBool(wups_storage_item_t *parent, const char *key, bool value);
WUPSStorageError WUPS_StoreInt(wups_storage_item_t *parent, const char *key, int32_t value);
WUPSStorageError WUPS_StoreBinary(wups_storage_item_t *parent, const char *key, const void *data, uint32_t size);
WUPSStorageError WUPS_GetString(wups_storage_item_t *parent, const char *key, char *outString, uint32_t maxSize);
WUPSStorageError WUPS_GetBool(wups_storage_item_t *parent, const char *key, bool *outBool);
WUPSStorageError WUPS_GetInt(wups_storage_item_t *parent, const char *key, int32_t *outInt);
WUPSStorageError WUPS_GetBinary(wups_storage_item_t *parent, const char *key, void *outData, uint32_t maxSize);
#ifdef __cplusplus
}
#endif