mirror of
https://github.com/DarkFlippers/unleashed-firmware.git
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7642d67cae
* toolbox(keys_dict): generalize nfc_dict * nfc: rework nfc app and tests * toolbox(keys_dict): improve code readability
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum {
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KeysDictModeOpenExisting,
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KeysDictModeOpenAlways,
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} KeysDictMode;
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typedef struct KeysDict KeysDict;
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/** Check if the file list exists
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*
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* @param path - list path
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*
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* @return true if list exists, false otherwise
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*/
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bool keys_dict_check_presence(const char* path);
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/** Open or create list
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* Depending on mode, list will be opened or created.
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*
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* @param path - Path of the file that contain the list
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* @param mode - ListKeysMode value
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* @param key_size - Size of each key in bytes
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*
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* @return Returns KeysDict list instance
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*/
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KeysDict* keys_dict_alloc(const char* path, KeysDictMode mode, size_t key_size);
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/** Close list
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*
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* @param instance - KeysDict list instance
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*/
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void keys_dict_free(KeysDict* instance);
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/** Get total number of keys in list
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*
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* @param instance - KeysDict list instance
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*
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* @return Returns total number of keys in list
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*/
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size_t keys_dict_get_total_keys(KeysDict* instance);
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/** Rewind list
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*
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* @param instance - KeysDict list instance
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*
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* @return Returns true if rewind was successful, false otherwise
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*/
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bool keys_dict_rewind(KeysDict* instance);
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/** Check if key is present in list
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*
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* @param instance - KeysDict list instance
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* @param key - key to check
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* @param key_size - Size of the key in bytes
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*
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* @return Returns true if key is present, false otherwise
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*/
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bool keys_dict_is_key_present(KeysDict* instance, const uint8_t* key, size_t key_size);
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/** Get next key from the list
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* This function will return next key from list. If there are no more
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* keys, it will return false, and keys_dict_rewind() should be called.
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*
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* @param instance - KeysDict list instance
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* @param key - Array where to store key
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* @param key_size - Size of key in bytes
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*
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* @return Returns true if key was successfully retrieved, false otherwise
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*/
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bool keys_dict_get_next_key(KeysDict* instance, uint8_t* key, size_t key_size);
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/** Add key to list
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*
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* @param instance - KeysDict list instance
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* @param key - Key to add
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* @param key_size - Size of the key in bytes
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*
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* @return Returns true if key was successfully added, false otherwise
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*/
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bool keys_dict_add_key(KeysDict* instance, const uint8_t* key, size_t key_size);
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/** Delete key from list
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*
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* @param instance - KeysDict list instance
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* @param key - Key to delete
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* @param key_size - Size of the key in bytes
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*
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* @return Returns true if key was successfully deleted, false otherwise
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*/
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bool keys_dict_delete_key(KeysDict* instance, const uint8_t* key, size_t key_size);
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#ifdef __cplusplus
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}
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#endif
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