7a13391b2b
* File worker: file operations helper. * Notification app: removed yield * File worker: write operations, calls to system file widgets * App ibutton: use file worker * Lfrfid: generic key loading, add path helper and hex conversion to lib * FileWorker: plain C verison * FileWorker: add to lib.mk * FileWorker: add to C sources, instead of CPP * Lfrfid: save scene * App lfrfid: add key scene, saved key menu * App lfrfid: saved key info scene * App lfrfid: delete key scene
136 lines
3.2 KiB
C++
136 lines
3.2 KiB
C++
#pragma once
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#include "file-worker.h"
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/**
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* @brief File operations helper class.
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* Automatically opens API records, shows error message on error.
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*/
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class FileWorkerCpp {
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public:
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FileWorkerCpp(bool silent = false);
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~FileWorkerCpp();
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/**
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* @brief Open file
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*
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* @param filename
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* @param access_mode
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* @param open_mode
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* @return true on success
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*/
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bool open(const char* filename, FS_AccessMode access_mode, FS_OpenMode open_mode);
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/**
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* @brief Close file
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*
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* @return true on success
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*/
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bool close();
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/**
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* @brief Creates a directory. Doesn't show error if directory exist.
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*
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* @param dirname
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* @return true on success
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*/
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bool mkdir(const char* dirname);
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/**
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* @brief Removes the file. Doesn't show error if file doesn't exist.
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*
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* @param filename
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* @return true on success
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*/
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bool remove(const char* filename);
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/**
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* @brief Reads data from a file.
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*
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* @param buffer
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* @param bytes_to_read
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* @return true on success
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*/
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bool read(void* buffer, uint16_t bytes_to_read = 1);
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/**
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* @brief Reads data from a file until separator or EOF is found.
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* Moves seek pointer to the next symbol after the separator. The separator is not included in the result.
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*
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* @param result
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* @param separator
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* @return true on success
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*/
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bool read_until(string_t result, char separator = '\n');
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/**
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* @brief Reads data in hexadecimal space-delimited format. For example "AF FF" in a file - [175, 255] in a read buffer.
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*
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* @param buffer
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* @param bytes_to_read
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* @return true on success
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*/
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bool read_hex(uint8_t* buffer, uint16_t bytes_to_read = 1);
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/**
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* @brief Read seek pointer value
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*
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* @param position
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* @return true on success
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*/
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bool tell(uint64_t* position);
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/**
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* @brief Set seek pointer value
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*
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* @param position
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* @param from_start
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* @return true on success
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*/
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bool seek(uint64_t position, bool from_start);
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/**
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* @brief Write data to file.
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*
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* @param buffer
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* @param bytes_to_write
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* @return true on success
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*/
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bool write(const void* buffer, uint16_t bytes_to_write = 1);
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/**
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* @brief Write data to file in hexadecimal space-delimited format. For example [175, 255] in a write buffer - "AF FF" in a file.
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*
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* @param buffer
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* @param bytes_to_write
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* @return true on success
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*/
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bool write_hex(const uint8_t* buffer, uint16_t bytes_to_write = 1);
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/**
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* @brief Show system file error message
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*
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* @param error_text
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*/
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void show_error(const char* error_text);
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/**
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* @brief Show system file select widget
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*
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* @param path
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* @param extension
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* @param result
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* @param result_size
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* @param selected_filename
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* @return true if file was selected
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*/
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bool file_select(
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const char* path,
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const char* extension,
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char* result,
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uint8_t result_size,
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char* selected_filename);
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private:
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FileWorker* file_worker;
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};
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