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