flipperzero-firmware/lib/app-scened-template/file-worker.h
gornekich ecff31d228
[FL-1643] NFC emv assets (#661)
* assets: add EMV AID table for NFC app
* file-worker: add searching for value by the key
* nfc: add emv parser helpers
* assets: add country and currency codes
* nfc: add country and currency code parsing
* emv_decoder: add country and currency code support
* nfc: add AID. currency and country display
* nfc: rework bank_card view
* nfc: add currency and country save
* assets: change emv chip asset
* nfc: change asset in bank card
* gui: add frame element to widget
* nfc: add bank card frame, add documentation
* rfal: fix long APDU command emulation
* nfc: fix typos
* Scripts ReadMe: assets delivery command

Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>
2021-08-20 22:56:43 +03:00

230 lines
5.8 KiB
C

#pragma once
#include <m-string.h>
#include <storage/storage.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief File operations helper class.
* Automatically opens API records, shows error message on error.
*/
typedef struct FileWorker FileWorker;
/**
* @brief Allocate FileWorker
*
* @param silent do not show errors except from file_worker_show_error fn
* @return FileWorker*
*/
FileWorker* file_worker_alloc(bool silent);
/**
* @brief free FileWorker
*
* @param file_worker
*/
void file_worker_free(FileWorker* file_worker);
/**
* @brief Open file
*
* @param file_worker FileWorker instance
* @param filename
* @param access_mode
* @param open_mode
* @return true on success
*/
bool file_worker_open(
FileWorker* file_worker,
const char* filename,
FS_AccessMode access_mode,
FS_OpenMode open_mode);
/**
* @brief Close file
*
* @param file_worker FileWorker instance
* @return true on success
*/
bool file_worker_close(FileWorker* file_worker);
/**
* @brief Creates a directory. Doesn't show error if directory exist.
*
* @param file_worker FileWorker instance
* @param dirname
* @return true on success
*/
bool file_worker_mkdir(FileWorker* file_worker, const char* dirname);
/**
* @brief Removes the file. Doesn't show error if file doesn't exist.
*
* @param file_worker FileWorker instance
* @param filename
* @return true on success
*/
bool file_worker_remove(FileWorker* file_worker, const char* filename);
/**
* @brief Reads data from a file.
*
* @param file_worker FileWorker instance
* @param buffer
* @param bytes_to_read
* @return true on success
*/
bool file_worker_read(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read);
/**
* @brief Reads data from a file until separator or EOF is found.
* Moves seek pointer to the next symbol after the separator. The separator is not included in the result.
*
* @param file_worker FileWorker instance
* @param result
* @param separator
* @return true on success
*/
bool file_worker_read_until(FileWorker* file_worker, string_t result, char separator);
/**
* @brief Reads data in hexadecimal space-delimited format. For example "AF FF" in a file - [175, 255] in a read buffer.
*
* @param file_worker FileWorker instance
* @param buffer
* @param bytes_to_read
* @return true on success
*/
bool file_worker_read_hex(FileWorker* file_worker, uint8_t* buffer, uint16_t bytes_to_read);
/**
* @brief Read seek pointer value
*
* @param file_worker FileWorker instance
* @param position
* @return true on success
*/
bool file_worker_tell(FileWorker* file_worker, uint64_t* position);
/**
* @brief Set seek pointer value
*
* @param file_worker FileWorker instance
* @param position
* @param from_start
* @return true on success
*/
bool file_worker_seek(FileWorker* file_worker, uint64_t position, bool from_start);
/**
* @brief Write data to file.
*
* @param file_worker FileWorker instance
* @param buffer
* @param bytes_to_write
* @return true on success
*/
bool file_worker_write(FileWorker* file_worker, const void* buffer, uint16_t bytes_to_write);
/**
* @brief Write data to file in hexadecimal space-delimited format. For example [175, 255] in a write buffer - "AF FF" in a file.
*
* @param file_worker FileWorker instance
* @param buffer
* @param bytes_to_write
* @return true on success
*/
bool file_worker_write_hex(FileWorker* file_worker, const uint8_t* buffer, uint16_t bytes_to_write);
/**
* @brief Show system file error message
*
* @param file_worker FileWorker instance
* @param error_text
*/
void file_worker_show_error(FileWorker* file_worker, const char* error_text);
/**
* @brief Show system file select widget
*
* @param file_worker FileWorker instance
* @param path path to directory
* @param extension file extension to be offered for selection
* @param selected_filename buffer where the selected filename will be saved
* @param selected_filename_size and the size of this buffer
* @param preselected_filename filename to be preselected
* @return bool whether a file was selected
*/
bool file_worker_file_select(
FileWorker* file_worker,
const char* path,
const char* extension,
char* selected_filename,
uint8_t selected_filename_size,
const char* preselected_filename);
/**
* @brief Reads data from a file until separator or EOF is found.
* The separator is included in the result.
*
* @param file_worker FileWorker instance
* @param str_result
* @param file_buf
* @param file_buf_cnt
* @param max_length
* @param separator
* @return true on success
*/
bool file_worker_read_until_buffered(
FileWorker* file_worker,
string_t str_result,
char* file_buf,
size_t* file_buf_cnt,
size_t max_length,
char separator);
/**
* @brief Gets value from key
*
* @param file_worker FileWorker instance
* @param key key
* @param delimeter key-value delimeter
* @param value value for given key
* @return true on success
*/
bool file_worker_get_value_from_key(FileWorker* file_worker, string_t key, char delimiter, string_t value);
/**
* @brief Check whether file exist or not
*
* @param file_worker FileWorker instance
* @param filename
* @param exist - flag to show file exist
* @return true on success
*/
bool file_worker_is_file_exist(FileWorker* file_worker, const char* filename, bool* exist);
/**
* @brief Rename file or directory
*
* @param file_worker FileWorker instance
* @param old_filename
* @param new_filename
* @return true on success
*/
bool file_worker_rename(FileWorker* file_worker, const char* old_path, const char* new_path);
/**
* @brief Check errors
*
* @param file_worker FileWorker instance
* @return true on success
*/
bool file_worker_check_errors(FileWorker* file_worker);
#ifdef __cplusplus
}
#endif