unleashed-firmware/lib/app-scened-template/file-worker.c
gornekich ebd158a823
[FL-1542], [FL-1603] Generate random name (#602)
* Lib: add random name library
* Text_input: add default text clearing
* All: rework all applications with new text_input API
* Nfc: fix removing dev file on save_name scene enter
* Lib: move all free radicals to toolbox and update API usage.

Co-authored-by: あく <alleteam@gmail.com>
2021-07-25 14:34:54 +03:00

381 lines
12 KiB
C

#include "file-worker.h"
#include "m-string.h"
#include <lib/toolbox/hex.h>
#include <dialogs/dialogs.h>
#include <furi.h>
struct FileWorker {
Storage* api;
bool silent;
File* file;
};
bool file_worker_check_common_errors(FileWorker* file_worker);
void file_worker_show_error_internal(FileWorker* file_worker, const char* error_text);
bool file_worker_read_internal(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read);
bool file_worker_write_internal(
FileWorker* file_worker,
const void* buffer,
uint16_t bytes_to_write);
bool file_worker_tell_internal(FileWorker* file_worker, uint64_t* position);
bool file_worker_seek_internal(FileWorker* file_worker, uint64_t position, bool from_start);
FileWorker* file_worker_alloc(bool _silent) {
FileWorker* file_worker = malloc(sizeof(FileWorker));
file_worker->silent = _silent;
file_worker->api = furi_record_open("storage");
file_worker->file = storage_file_alloc(file_worker->api);
return file_worker;
}
void file_worker_free(FileWorker* file_worker) {
storage_file_free(file_worker->file);
furi_record_close("storage");
free(file_worker);
}
bool file_worker_open(
FileWorker* file_worker,
const char* filename,
FS_AccessMode access_mode,
FS_OpenMode open_mode) {
bool result = storage_file_open(file_worker->file, filename, access_mode, open_mode);
if(!result) {
file_worker_show_error_internal(file_worker, "Cannot open\nfile");
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_close(FileWorker* file_worker) {
if(storage_file_is_open(file_worker->file)) {
storage_file_close(file_worker->file);
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_mkdir(FileWorker* file_worker, const char* dirname) {
FS_Error fs_result = storage_common_mkdir(file_worker->api, dirname);
if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
file_worker_show_error_internal(file_worker, "Cannot create\nfolder");
return false;
};
return file_worker_check_common_errors(file_worker);
}
bool file_worker_remove(FileWorker* file_worker, const char* filename) {
FS_Error fs_result = storage_common_remove(file_worker->api, filename);
if(fs_result != FSE_OK && fs_result != FSE_NOT_EXIST) {
file_worker_show_error_internal(file_worker, "Cannot remove\nold file");
return false;
};
return file_worker_check_common_errors(file_worker);
}
bool file_worker_read(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read) {
if(!file_worker_read_internal(file_worker, buffer, bytes_to_read)) {
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_read_until(FileWorker* file_worker, string_t str_result, char separator) {
string_clean(str_result);
const uint8_t buffer_size = 32;
uint8_t buffer[buffer_size];
do {
uint16_t read_count = storage_file_read(file_worker->file, buffer, buffer_size);
if(storage_file_get_error(file_worker->file) != FSE_OK) {
file_worker_show_error_internal(file_worker, "Cannot read\nfile");
return false;
}
bool result = false;
for(uint16_t i = 0; i < read_count; i++) {
if(buffer[i] == separator) {
uint64_t position;
if(!file_worker_tell_internal(file_worker, &position)) {
return false;
}
position = position - read_count + i + 1;
if(!file_worker_seek_internal(file_worker, position, true)) {
return false;
}
result = true;
break;
} else {
string_push_back(str_result, buffer[i]);
}
}
if(result || read_count == 0) {
break;
}
} while(true);
return file_worker_check_common_errors(file_worker);
}
bool file_worker_read_hex(FileWorker* file_worker, uint8_t* buffer, uint16_t bytes_to_read) {
uint8_t hi_nibble_value, low_nibble_value;
uint8_t text[2];
for(uint8_t i = 0; i < bytes_to_read; i++) {
if(i != 0) {
// space
if(!file_worker_read_internal(file_worker, text, 1)) {
return false;
}
}
// actual data
if(!file_worker_read_internal(file_worker, text, 2)) {
return false;
}
// convert hex value to byte
if(hex_char_to_hex_nibble(text[0], &hi_nibble_value) &&
hex_char_to_hex_nibble(text[1], &low_nibble_value)) {
buffer[i] = (hi_nibble_value << 4) | low_nibble_value;
} else {
file_worker_show_error_internal(file_worker, "Cannot parse\nfile");
return false;
}
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_tell(FileWorker* file_worker, uint64_t* position) {
if(!file_worker_tell_internal(file_worker, position)) {
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_seek(FileWorker* file_worker, uint64_t position, bool from_start) {
if(!file_worker_seek_internal(file_worker, position, from_start)) {
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_write(FileWorker* file_worker, const void* buffer, uint16_t bytes_to_write) {
if(!file_worker_write_internal(file_worker, buffer, bytes_to_write)) {
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_write_hex(FileWorker* file_worker, const uint8_t* buffer, uint16_t bytes_to_write) {
const uint8_t byte_text_size = 3;
char byte_text[byte_text_size];
for(uint8_t i = 0; i < bytes_to_write; i++) {
sniprintf(byte_text, byte_text_size, "%02X", buffer[i]);
if(i != 0) {
// space
const char* space = " ";
if(!file_worker_write_internal(file_worker, space, 1)) {
return false;
}
}
if(!file_worker_write_internal(file_worker, byte_text, 2)) {
return false;
}
}
return file_worker_check_common_errors(file_worker);
}
void file_worker_show_error(FileWorker* file_worker, const char* error_text) {
DialogsApp* dialogs = furi_record_open("dialogs");
DialogMessage* message = dialog_message_alloc();
dialog_message_set_text(message, error_text, 88, 32, AlignCenter, AlignCenter);
dialog_message_set_icon(message, &I_SDQuestion_35x43, 5, 6);
dialog_message_set_buttons(message, "Back", NULL, NULL);
dialog_message_show(dialogs, message);
dialog_message_free(message);
furi_record_close("dialogs");
}
bool file_worker_file_select(
FileWorker* file_worker,
const char* path,
const char* extension,
char* result,
uint8_t result_size,
const char* selected_filename) {
DialogsApp* dialogs = furi_record_open("dialogs");
bool ret =
dialog_file_select_show(dialogs, path, extension, result, result_size, selected_filename);
furi_record_close("dialogs");
return ret;
}
bool file_worker_check_common_errors(FileWorker* file_worker) {
//TODO remove
/* TODO: [FL-1431] Add return value to file_parser.get_sd_api().check_error() and replace get_fs_info(). */
return true;
}
void file_worker_show_error_internal(FileWorker* file_worker, const char* error_text) {
if(!file_worker->silent) {
file_worker_show_error(file_worker, error_text);
}
}
bool file_worker_read_internal(FileWorker* file_worker, void* buffer, uint16_t bytes_to_read) {
uint16_t read_count = storage_file_read(file_worker->file, buffer, bytes_to_read);
if(storage_file_get_error(file_worker->file) != FSE_OK || read_count != bytes_to_read) {
file_worker_show_error_internal(file_worker, "Cannot read\nfile");
return false;
}
return true;
}
bool file_worker_write_internal(
FileWorker* file_worker,
const void* buffer,
uint16_t bytes_to_write) {
uint16_t write_count = storage_file_write(file_worker->file, buffer, bytes_to_write);
if(storage_file_get_error(file_worker->file) != FSE_OK || write_count != bytes_to_write) {
file_worker_show_error_internal(file_worker, "Cannot write\nto file");
return false;
}
return true;
}
bool file_worker_tell_internal(FileWorker* file_worker, uint64_t* position) {
*position = storage_file_tell(file_worker->file);
if(storage_file_get_error(file_worker->file) != FSE_OK) {
file_worker_show_error_internal(file_worker, "Cannot tell\nfile offset");
return false;
}
return true;
}
bool file_worker_seek_internal(FileWorker* file_worker, uint64_t position, bool from_start) {
storage_file_seek(file_worker->file, position, from_start);
if(storage_file_get_error(file_worker->file) != FSE_OK) {
file_worker_show_error_internal(file_worker, "Cannot seek\nfile");
return false;
}
return true;
}
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) {
furi_assert(string_capacity(str_result) > 0);
// fs_api->file.read now supports up to 512 bytes reading at a time
furi_assert(file_buf_size <= 512);
string_clean(str_result);
size_t newline_index = 0;
bool found_eol = false;
bool max_length_exceeded = false;
size_t max_length = string_capacity(str_result) - 1;
while(1) {
if(*file_buf_cnt > 0) {
size_t end_index = 0;
char* endline_ptr = (char*)memchr(file_buf, separator, *file_buf_cnt);
newline_index = endline_ptr - file_buf;
if(endline_ptr == 0) {
end_index = *file_buf_cnt;
} else if(newline_index < *file_buf_cnt) {
end_index = newline_index + 1;
found_eol = true;
} else {
furi_assert(0);
}
if(max_length && (string_size(str_result) + end_index > max_length))
max_length_exceeded = true;
if(!max_length_exceeded) {
for(size_t i = 0; i < end_index; ++i) {
string_push_back(str_result, file_buf[i]);
}
}
memmove(file_buf, &file_buf[end_index], *file_buf_cnt - end_index);
*file_buf_cnt = *file_buf_cnt - end_index;
if(found_eol) break;
}
*file_buf_cnt += storage_file_read(
file_worker->file, &file_buf[*file_buf_cnt], file_buf_size - *file_buf_cnt);
if(storage_file_get_error(file_worker->file) != FSE_OK) {
file_worker_show_error_internal(file_worker, "Cannot read\nfile");
string_clear(str_result);
*file_buf_cnt = 0;
break;
}
if(*file_buf_cnt == 0) {
break; // end of reading
}
}
if(max_length_exceeded) string_clear(str_result);
return string_size(str_result) || *file_buf_cnt;
}
bool file_worker_rename(FileWorker* file_worker, const char* old_path, const char* new_path) {
FS_Error fs_result = storage_common_rename(file_worker->api, old_path, new_path);
if(fs_result != FSE_OK && fs_result != FSE_EXIST) {
file_worker_show_error_internal(file_worker, "Cannot rename\n file/directory");
return false;
}
return file_worker_check_common_errors(file_worker);
}
bool file_worker_check_errors(FileWorker* file_worker) {
return file_worker_check_common_errors(file_worker);
}
bool file_worker_is_file_exist(FileWorker* file_worker, const char* filename, bool* exist) {
File* file = storage_file_alloc(file_worker->api);
*exist = storage_file_open(file, filename, FSAM_READ, FSOM_OPEN_EXISTING);
storage_file_close(file);
storage_file_free(file);
return file_worker_check_common_errors(file_worker);
}