769ab2aef2
* [FL-1489] IRDA: move to FileWorker, fixes * Use FileWorker * Use file_select to select remotes * Fix some crashes * Add RAW parsing restrictions * Remove excess scene (LearnDoneAfter) * Move all file system logic to standalone object
375 lines
12 KiB
C
375 lines
12 KiB
C
#include "file-worker.h"
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#include "m-string.h"
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#include <hex.h>
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#include <sd-card-api.h>
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#include <furi.h>
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struct FileWorker {
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FS_Api* fs_api;
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SdCard_Api* sd_ex_api;
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bool silent;
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File file;
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char file_buf[48];
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size_t file_buf_cnt;
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};
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bool file_worker_check_common_errors(FileWorker* file_worker);
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void file_worker_show_error_internal(FileWorker* file_worker, const char* error_text);
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bool file_worker_read_internal(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read);
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bool file_worker_write_internal(
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FileWorker* file_worker,
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const void* buffer,
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uint16_t bytes_to_write);
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bool file_worker_tell_internal(FileWorker* file_worker, uint64_t* position);
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bool file_worker_seek_internal(FileWorker* file_worker, uint64_t position, bool from_start);
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FileWorker* file_worker_alloc(bool _silent) {
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FileWorker* file_worker = malloc(sizeof(FileWorker));
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file_worker->silent = _silent;
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file_worker->fs_api = furi_record_open("sdcard");
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file_worker->sd_ex_api = furi_record_open("sdcard-ex");
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file_worker->file_buf_cnt = 0;
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return file_worker;
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}
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void file_worker_free(FileWorker* file_worker) {
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furi_record_close("sdcard");
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furi_record_close("sdcard-ex");
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free(file_worker);
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}
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bool file_worker_open(
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FileWorker* file_worker,
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const char* filename,
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FS_AccessMode access_mode,
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FS_OpenMode open_mode) {
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bool result =
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file_worker->fs_api->file.open(&file_worker->file, filename, access_mode, open_mode);
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if(!result) {
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file_worker_show_error_internal(file_worker, "Cannot open\nfile");
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_close(FileWorker* file_worker) {
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file_worker->fs_api->file.close(&file_worker->file);
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_mkdir(FileWorker* file_worker, const char* dirname) {
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FS_Error fs_result = file_worker->fs_api->common.mkdir(dirname);
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if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
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file_worker_show_error_internal(file_worker, "Cannot create\nfolder");
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return false;
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};
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_remove(FileWorker* file_worker, const char* filename) {
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FS_Error fs_result = file_worker->fs_api->common.remove(filename);
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if(fs_result != FSE_OK && fs_result != FSE_NOT_EXIST) {
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file_worker_show_error_internal(file_worker, "Cannot remove\nold file");
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return false;
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};
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_read(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read) {
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if(!file_worker_read_internal(file_worker, buffer, bytes_to_read)) {
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_read_until(FileWorker* file_worker, string_t str_result, char separator) {
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string_clean(str_result);
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const uint8_t buffer_size = 32;
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uint8_t buffer[buffer_size];
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do {
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uint16_t read_count =
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file_worker->fs_api->file.read(&file_worker->file, buffer, buffer_size);
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if(file_worker->file.error_id != FSE_OK) {
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file_worker_show_error_internal(file_worker, "Cannot read\nfile");
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return false;
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}
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bool result = false;
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for(uint16_t i = 0; i < read_count; i++) {
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if(buffer[i] == separator) {
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uint64_t position;
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if(!file_worker_tell_internal(file_worker, &position)) {
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return false;
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}
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position = position - read_count + i + 1;
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if(!file_worker_seek_internal(file_worker, position, true)) {
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return false;
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}
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result = true;
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break;
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} else {
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string_push_back(str_result, buffer[i]);
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}
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}
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if(result || read_count == 0) {
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break;
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}
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} while(true);
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_read_hex(FileWorker* file_worker, uint8_t* buffer, uint16_t bytes_to_read) {
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uint8_t hi_nibble_value, low_nibble_value;
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uint8_t text[2];
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for(uint8_t i = 0; i < bytes_to_read; i++) {
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if(i != 0) {
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// space
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if(!file_worker_read_internal(file_worker, text, 1)) {
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return false;
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}
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}
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// actual data
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if(!file_worker_read_internal(file_worker, text, 2)) {
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return false;
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}
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// convert hex value to byte
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if(hex_char_to_hex_nibble(text[0], &hi_nibble_value) &&
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hex_char_to_hex_nibble(text[1], &low_nibble_value)) {
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buffer[i] = (hi_nibble_value << 4) | low_nibble_value;
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} else {
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file_worker_show_error_internal(file_worker, "Cannot parse\nfile");
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return false;
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}
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_tell(FileWorker* file_worker, uint64_t* position) {
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if(!file_worker_tell_internal(file_worker, position)) {
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_seek(FileWorker* file_worker, uint64_t position, bool from_start) {
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if(!file_worker_seek_internal(file_worker, position, from_start)) {
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_write(FileWorker* file_worker, const void* buffer, uint16_t bytes_to_write) {
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if(!file_worker_write_internal(file_worker, buffer, bytes_to_write)) {
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_write_hex(FileWorker* file_worker, const uint8_t* buffer, uint16_t bytes_to_write) {
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const uint8_t byte_text_size = 3;
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char byte_text[byte_text_size];
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for(uint8_t i = 0; i < bytes_to_write; i++) {
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sniprintf(byte_text, byte_text_size, "%02X", buffer[i]);
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if(i != 0) {
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// space
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const char* space = " ";
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if(!file_worker_write_internal(file_worker, space, 1)) {
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return false;
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}
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}
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if(!file_worker_write_internal(file_worker, byte_text, 2)) {
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return false;
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}
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}
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return file_worker_check_common_errors(file_worker);
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}
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void file_worker_show_error(FileWorker* file_worker, const char* error_text) {
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file_worker->sd_ex_api->show_error(file_worker->sd_ex_api->context, error_text);
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}
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bool file_worker_file_select(
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FileWorker* file_worker,
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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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const char* selected_filename) {
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return file_worker->sd_ex_api->file_select(
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file_worker->sd_ex_api->context, path, extension, result, result_size, selected_filename);
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}
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bool file_worker_check_common_errors(FileWorker* file_worker) {
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/* TODO: [FL-1431] Add return value to file_parser.get_sd_api().check_error() and replace get_fs_info(). */
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FS_Error fs_err = file_worker->fs_api->common.get_fs_info(NULL, NULL);
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if(fs_err != FSE_OK)
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file_worker->sd_ex_api->show_error(file_worker->sd_ex_api->context, "SD card not found");
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return fs_err == FSE_OK;
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}
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void file_worker_show_error_internal(FileWorker* file_worker, const char* error_text) {
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if(!file_worker->silent) {
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file_worker_show_error(file_worker, error_text);
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}
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}
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bool file_worker_read_internal(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read) {
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uint16_t read_count =
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file_worker->fs_api->file.read(&file_worker->file, buffer, bytes_to_read);
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if(file_worker->file.error_id != FSE_OK || read_count != bytes_to_read) {
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file_worker_show_error_internal(file_worker, "Cannot read\nfile");
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return false;
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}
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return true;
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}
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bool file_worker_write_internal(
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FileWorker* file_worker,
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const void* buffer,
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uint16_t bytes_to_write) {
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uint16_t write_count =
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file_worker->fs_api->file.write(&file_worker->file, buffer, bytes_to_write);
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if(file_worker->file.error_id != FSE_OK || write_count != bytes_to_write) {
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file_worker_show_error_internal(file_worker, "Cannot write\nto file");
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return false;
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}
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return true;
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}
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bool file_worker_tell_internal(FileWorker* file_worker, uint64_t* position) {
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*position = file_worker->fs_api->file.tell(&file_worker->file);
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if(file_worker->file.error_id != FSE_OK) {
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file_worker_show_error_internal(file_worker, "Cannot tell\nfile offset");
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return false;
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}
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return true;
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}
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bool file_worker_seek_internal(FileWorker* file_worker, uint64_t position, bool from_start) {
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file_worker->fs_api->file.seek(&file_worker->file, position, from_start);
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if(file_worker->file.error_id != FSE_OK) {
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file_worker_show_error_internal(file_worker, "Cannot seek\nfile");
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return false;
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}
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return true;
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}
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bool file_worker_read_until_buffered(FileWorker* file_worker, string_t str_result, char* file_buf, size_t* file_buf_cnt, size_t file_buf_size, char separator) {
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furi_assert(string_capacity(str_result) > 0);
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furi_assert(file_buf_size <= 512); /* fs_api->file.read now supports up to 512 bytes reading at a time */
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string_clean(str_result);
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size_t newline_index = 0;
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bool found_eol = false;
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bool max_length_exceeded = false;
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size_t max_length = string_capacity(str_result) - 1;
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while(1) {
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if(*file_buf_cnt > 0) {
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size_t end_index = 0;
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char* endline_ptr = (char*)memchr(file_buf, separator, *file_buf_cnt);
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newline_index = endline_ptr - file_buf;
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if(endline_ptr == 0) {
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end_index = *file_buf_cnt;
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} else if(newline_index < *file_buf_cnt) {
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end_index = newline_index + 1;
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found_eol = true;
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} else {
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furi_assert(0);
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}
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if (max_length && (string_size(str_result) + end_index > max_length))
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max_length_exceeded = true;
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if (!max_length_exceeded) {
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for (size_t i = 0; i < end_index; ++i) {
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string_push_back(str_result, file_buf[i]);
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}
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}
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memmove(file_buf, &file_buf[end_index], *file_buf_cnt - end_index);
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*file_buf_cnt = *file_buf_cnt - end_index;
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if(found_eol) break;
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}
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*file_buf_cnt +=
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file_worker->fs_api->file.read(&file_worker->file, &file_buf[*file_buf_cnt], file_buf_size - *file_buf_cnt);
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if(file_worker->file.error_id != FSE_OK) {
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file_worker_show_error_internal(file_worker, "Cannot read\nfile");
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string_clear(str_result);
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*file_buf_cnt = 0;
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break;
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}
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if(*file_buf_cnt == 0) {
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break; // end of reading
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}
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}
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if (max_length_exceeded)
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string_clear(str_result);
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return string_size(str_result) || *file_buf_cnt;
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}
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bool file_worker_rename(FileWorker* file_worker, const char* old_path, const char* new_path) {
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FS_Error fs_result = file_worker->fs_api->common.rename(old_path, new_path);
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if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
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file_worker_show_error_internal(file_worker, "Cannot rename\n file/directory");
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return false;
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}
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_check_errors(FileWorker* file_worker) {
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return file_worker_check_common_errors(file_worker);
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}
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bool file_worker_is_file_exist(
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FileWorker* file_worker,
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const char* filename,
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bool* exist) {
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File file;
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*exist = file_worker->fs_api->file.open(&file, filename, FSAM_READ, FSOM_OPEN_EXISTING);
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if (*exist)
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file_worker->fs_api->file.close(&file);
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return file_worker_check_common_errors(file_worker);
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}
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