flipperzero-firmware/lib/app-scened-template/file-worker-cpp.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

190 lines
4.6 KiB
C++

#pragma once
#include "file-worker.h"
/**
* @brief File operations helper class.
* Automatically opens API records, shows error message on error.
*/
class FileWorkerCpp {
public:
FileWorkerCpp(bool silent = false);
~FileWorkerCpp();
/**
* @brief Open file
*
* @param filename
* @param access_mode
* @param open_mode
* @return true on success
*/
bool open(const char* filename, FS_AccessMode access_mode, FS_OpenMode open_mode);
/**
* @brief Close file
*
* @return true on success
*/
bool close();
/**
* @brief Creates a directory. Doesn't show error if directory exist.
*
* @param dirname
* @return true on success
*/
bool mkdir(const char* dirname);
/**
* @brief Removes the file. Doesn't show error if file doesn't exist.
*
* @param filename
* @return true on success
*/
bool remove(const char* filename);
/**
* @brief Reads data from a file.
*
* @param buffer
* @param bytes_to_read
* @return true on success
*/
bool read(void* buffer, uint16_t bytes_to_read = 1);
/**
* @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 result
* @param separator
* @return true on success
*/
bool read_until(string_t result, char separator = '\n');
/**
* @brief Reads data in hexadecimal space-delimited format. For example "AF FF" in a file - [175, 255] in a read buffer.
*
* @param buffer
* @param bytes_to_read
* @return true on success
*/
bool read_hex(uint8_t* buffer, uint16_t bytes_to_read = 1);
/**
* @brief Read seek pointer value
*
* @param position
* @return true on success
*/
bool tell(uint64_t* position);
/**
* @brief Set seek pointer value
*
* @param position
* @param from_start
* @return true on success
*/
bool seek(uint64_t position, bool from_start);
/**
* @brief Write data to file.
*
* @param buffer
* @param bytes_to_write
* @return true on success
*/
bool write(const void* buffer, uint16_t bytes_to_write = 1);
/**
* @brief Write data to file in hexadecimal space-delimited format. For example [175, 255] in a write buffer - "AF FF" in a file.
*
* @param buffer
* @param bytes_to_write
* @return true on success
*/
bool write_hex(const uint8_t* buffer, uint16_t bytes_to_write = 1);
/**
* @brief Show system file error message
*
* @param error_text
*/
void show_error(const char* error_text);
/**
* @brief Show system file select widget
*
* @param path
* @param extension
* @param result
* @param result_size
* @param selected_filename
* @return true if file was selected
*/
bool file_select(
const char* path,
const char* extension,
char* result,
uint8_t result_size,
const char* selected_filename);
/**
* @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 included in the result.
*
* @param result
* @param file_buf
* @param file_buf_cnt
* @param max_length
* @param separator
* @return true on success
*/
bool read_until_buffered(string_t str_result, char* file_buf, size_t* file_buf_cnt, size_t max_length, char separator = '\n');
/**
* @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 get_value_from_key(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 is_file_exist(
const char* filename,
bool* exist);
/**
* @brief Rename file or directory
*
* @param old_filename
* @param new_filename
* @return true on success
*/
bool rename(
const char* old_path,
const char* new_path);
/**
* @brief Check errors
*
* @return true if no errors
*/
bool check_errors();
private:
FileWorker* file_worker;
};