mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-23 21:13:16 +00:00
536 lines
17 KiB
C
536 lines
17 KiB
C
#include <inttypes.h>
|
|
#include <toolbox/hex.h>
|
|
#include <core/check.h>
|
|
#include "flipper_format_stream.h"
|
|
#include "flipper_format_stream_i.h"
|
|
|
|
static inline bool flipper_format_stream_is_space(char c) {
|
|
return c == ' ' || c == '\t' || c == flipper_format_eolr;
|
|
}
|
|
|
|
static bool flipper_format_stream_write(Stream* stream, const void* data, size_t data_size) {
|
|
size_t bytes_written = stream_write(stream, data, data_size);
|
|
return bytes_written == data_size;
|
|
}
|
|
|
|
static bool flipper_format_stream_write_key(Stream* stream, const char* key) {
|
|
bool result = false;
|
|
|
|
do {
|
|
if(!flipper_format_stream_write(stream, key, strlen(key))) break;
|
|
if(!flipper_format_stream_write(stream, &flipper_format_delimiter, 1)) break;
|
|
if(!flipper_format_stream_write(stream, " ", 1)) break;
|
|
result = true;
|
|
} while(false);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_write_eol(Stream* stream) {
|
|
return flipper_format_stream_write(stream, &flipper_format_eoln, 1);
|
|
}
|
|
|
|
static bool flipper_format_stream_read_valid_key(Stream* stream, FuriString* key) {
|
|
furi_string_reset(key);
|
|
const size_t buffer_size = 32;
|
|
uint8_t buffer[buffer_size];
|
|
|
|
bool found = false;
|
|
bool error = false;
|
|
bool accumulate = true;
|
|
bool new_line = true;
|
|
|
|
while(true) {
|
|
size_t was_read = stream_read(stream, buffer, buffer_size);
|
|
if(was_read == 0) break;
|
|
|
|
for(size_t i = 0; i < was_read; i++) {
|
|
uint8_t data = buffer[i];
|
|
if(data == flipper_format_eoln) {
|
|
// EOL found, clean data, start accumulating data and set the new_line flag
|
|
furi_string_reset(key);
|
|
accumulate = true;
|
|
new_line = true;
|
|
} else if(data == flipper_format_eolr) {
|
|
// ignore
|
|
} else if(data == flipper_format_comment && new_line) {
|
|
// if there is a comment character and we are at the beginning of a new line
|
|
// do not accumulate comment data and reset the new_line flag
|
|
accumulate = false;
|
|
new_line = false;
|
|
} else if(data == flipper_format_delimiter) {
|
|
if(new_line) {
|
|
// we are on a "new line" and found the delimiter
|
|
// this can only be if we have previously found some kind of key, so
|
|
// clear the data, set the flag that we no longer want to accumulate data
|
|
// and reset the new_line flag
|
|
furi_string_reset(key);
|
|
accumulate = false;
|
|
new_line = false;
|
|
} else {
|
|
// parse the delimiter only if we are accumulating data
|
|
if(accumulate) {
|
|
// we found the delimiter, move the rw pointer to the delimiter location
|
|
// and signal that we have found something
|
|
if(!stream_seek(stream, i - was_read, StreamOffsetFromCurrent)) {
|
|
error = true;
|
|
break;
|
|
}
|
|
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
// just new symbol, reset the new_line flag
|
|
new_line = false;
|
|
if(accumulate) {
|
|
// and accumulate data if we want
|
|
furi_string_push_back(key, data);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(found || error) break;
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
bool flipper_format_stream_seek_to_key(Stream* stream, const char* key, bool strict_mode) {
|
|
bool found = false;
|
|
FuriString* read_key;
|
|
|
|
read_key = furi_string_alloc();
|
|
|
|
while(!stream_eof(stream)) {
|
|
if(flipper_format_stream_read_valid_key(stream, read_key)) {
|
|
if(furi_string_cmp_str(read_key, key) == 0) {
|
|
if(!stream_seek(stream, 2, StreamOffsetFromCurrent)) break;
|
|
|
|
found = true;
|
|
break;
|
|
} else if(strict_mode) {
|
|
found = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
furi_string_free(read_key);
|
|
|
|
return found;
|
|
}
|
|
|
|
static bool flipper_format_stream_read_value(Stream* stream, FuriString* value, bool* last) {
|
|
enum { LeadingSpace, ReadValue, TrailingSpace } state = LeadingSpace;
|
|
const size_t buffer_size = 32;
|
|
uint8_t buffer[buffer_size];
|
|
bool result = false;
|
|
bool error = false;
|
|
|
|
furi_string_reset(value);
|
|
|
|
while(true) {
|
|
size_t was_read = stream_read(stream, buffer, buffer_size);
|
|
|
|
if(was_read == 0) {
|
|
if(state != LeadingSpace && stream_eof(stream)) {
|
|
result = true;
|
|
*last = true;
|
|
} else {
|
|
error = true;
|
|
}
|
|
}
|
|
|
|
for(uint16_t i = 0; i < was_read; i++) {
|
|
const uint8_t data = buffer[i];
|
|
|
|
if(state == LeadingSpace) {
|
|
if(flipper_format_stream_is_space(data)) {
|
|
continue;
|
|
} else if(data == flipper_format_eoln) {
|
|
stream_seek(stream, i - was_read, StreamOffsetFromCurrent);
|
|
error = true;
|
|
break;
|
|
} else {
|
|
state = ReadValue;
|
|
furi_string_push_back(value, data);
|
|
}
|
|
} else if(state == ReadValue) {
|
|
if(flipper_format_stream_is_space(data)) {
|
|
state = TrailingSpace;
|
|
} else if(data == flipper_format_eoln) {
|
|
if(!stream_seek(stream, i - was_read, StreamOffsetFromCurrent)) {
|
|
error = true;
|
|
} else {
|
|
result = true;
|
|
*last = true;
|
|
}
|
|
break;
|
|
} else {
|
|
furi_string_push_back(value, data);
|
|
}
|
|
} else if(state == TrailingSpace) {
|
|
if(flipper_format_stream_is_space(data)) {
|
|
continue;
|
|
} else if(!stream_seek(stream, i - was_read, StreamOffsetFromCurrent)) {
|
|
error = true;
|
|
} else {
|
|
*last = (data == flipper_format_eoln);
|
|
result = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(error || result) break;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static bool flipper_format_stream_read_line(Stream* stream, FuriString* str_result) {
|
|
furi_string_reset(str_result);
|
|
const size_t buffer_size = 32;
|
|
uint8_t buffer[buffer_size];
|
|
|
|
do {
|
|
size_t was_read = stream_read(stream, buffer, buffer_size);
|
|
if(was_read == 0) break;
|
|
|
|
bool result = false;
|
|
bool error = false;
|
|
|
|
for(size_t i = 0; i < was_read; i++) {
|
|
uint8_t data = buffer[i];
|
|
if(data == flipper_format_eoln) {
|
|
if(!stream_seek(stream, i - was_read, StreamOffsetFromCurrent)) {
|
|
error = true;
|
|
break;
|
|
}
|
|
|
|
result = true;
|
|
break;
|
|
} else if(data == flipper_format_eolr) {
|
|
// Ignore
|
|
} else {
|
|
furi_string_push_back(str_result, data);
|
|
}
|
|
}
|
|
|
|
if(result || error) {
|
|
break;
|
|
}
|
|
} while(true);
|
|
|
|
return furi_string_size(str_result) != 0;
|
|
}
|
|
|
|
static bool flipper_format_stream_seek_to_next_line(Stream* stream) {
|
|
const size_t buffer_size = 32;
|
|
uint8_t buffer[buffer_size];
|
|
bool result = false;
|
|
bool error = false;
|
|
|
|
do {
|
|
size_t was_read = stream_read(stream, buffer, buffer_size);
|
|
if(was_read == 0) {
|
|
if(stream_eof(stream)) {
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(size_t i = 0; i < was_read; i++) {
|
|
if(buffer[i] == flipper_format_eoln) {
|
|
if(!stream_seek(stream, i - was_read, StreamOffsetFromCurrent)) {
|
|
error = true;
|
|
break;
|
|
}
|
|
|
|
result = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(result || error) {
|
|
break;
|
|
}
|
|
} while(true);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_write_value_line(Stream* stream, FlipperStreamWriteData* write_data) {
|
|
bool result = false;
|
|
|
|
if(write_data->type == FlipperStreamValueIgnore) {
|
|
result = true;
|
|
} else {
|
|
FuriString* value;
|
|
value = furi_string_alloc();
|
|
|
|
do {
|
|
if(!flipper_format_stream_write_key(stream, write_data->key)) break;
|
|
|
|
if(write_data->type == FlipperStreamValueStr) write_data->data_size = 1;
|
|
|
|
bool cycle_error = false;
|
|
for(uint16_t i = 0; i < write_data->data_size; i++) {
|
|
switch(write_data->type) {
|
|
case FlipperStreamValueStr: {
|
|
const char* data = write_data->data;
|
|
furi_string_printf(value, "%s", data);
|
|
}; break;
|
|
case FlipperStreamValueHex: {
|
|
const uint8_t* data = write_data->data;
|
|
furi_string_printf(value, "%02X", data[i]);
|
|
}; break;
|
|
#ifndef FLIPPER_STREAM_LITE
|
|
case FlipperStreamValueFloat: {
|
|
const float* data = write_data->data;
|
|
furi_string_printf(value, "%f", (double)data[i]);
|
|
}; break;
|
|
#endif
|
|
case FlipperStreamValueInt32: {
|
|
const int32_t* data = write_data->data;
|
|
furi_string_printf(value, "%" PRIi32, data[i]);
|
|
}; break;
|
|
case FlipperStreamValueUint32: {
|
|
const uint32_t* data = write_data->data;
|
|
furi_string_printf(value, "%" PRId32, data[i]);
|
|
}; break;
|
|
case FlipperStreamValueHexUint64: {
|
|
const uint64_t* data = write_data->data;
|
|
furi_string_printf(
|
|
value, "%08lX%08lX", (uint32_t)(data[i] >> 32), (uint32_t)data[i]);
|
|
}; break;
|
|
case FlipperStreamValueBool: {
|
|
const bool* data = write_data->data;
|
|
furi_string_printf(value, data[i] ? "true" : "false");
|
|
}; break;
|
|
default:
|
|
furi_crash("Unknown FF type");
|
|
}
|
|
|
|
if((size_t)(i + 1) < write_data->data_size) {
|
|
furi_string_cat(value, " ");
|
|
}
|
|
|
|
if(!flipper_format_stream_write(
|
|
stream, furi_string_get_cstr(value), furi_string_size(value))) {
|
|
cycle_error = true;
|
|
break;
|
|
}
|
|
}
|
|
if(cycle_error) break;
|
|
|
|
if(!flipper_format_stream_write_eol(stream)) break;
|
|
result = true;
|
|
} while(false);
|
|
|
|
furi_string_free(value);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_read_value_line(
|
|
Stream* stream,
|
|
const char* key,
|
|
FlipperStreamValue type,
|
|
void* _data,
|
|
size_t data_size,
|
|
bool strict_mode) {
|
|
bool result = false;
|
|
|
|
do {
|
|
if(!flipper_format_stream_seek_to_key(stream, key, strict_mode)) break;
|
|
|
|
if(type == FlipperStreamValueStr) {
|
|
FuriString* data = (FuriString*)_data;
|
|
if(flipper_format_stream_read_line(stream, data)) {
|
|
result = true;
|
|
break;
|
|
}
|
|
} else {
|
|
result = true;
|
|
FuriString* value;
|
|
value = furi_string_alloc();
|
|
|
|
for(size_t i = 0; i < data_size; i++) {
|
|
bool last = false;
|
|
result = flipper_format_stream_read_value(stream, value, &last);
|
|
if(result) {
|
|
int scan_values = 0;
|
|
|
|
switch(type) {
|
|
case FlipperStreamValueHex: {
|
|
uint8_t* data = _data;
|
|
if(furi_string_size(value) >= 2) {
|
|
// sscanf "%02X" does not work here
|
|
if(hex_char_to_uint8(
|
|
furi_string_get_char(value, 0),
|
|
furi_string_get_char(value, 1),
|
|
&data[i])) {
|
|
scan_values = 1;
|
|
}
|
|
}
|
|
}; break;
|
|
#ifndef FLIPPER_STREAM_LITE
|
|
case FlipperStreamValueFloat: {
|
|
float* data = _data;
|
|
// newlib-nano does not have sscanf for floats
|
|
// scan_values = sscanf(furi_string_get_cstr(value), "%f", &data[i]);
|
|
char* end_char;
|
|
data[i] = strtof(furi_string_get_cstr(value), &end_char);
|
|
if(*end_char == 0) {
|
|
// most likely ok
|
|
scan_values = 1;
|
|
}
|
|
}; break;
|
|
#endif
|
|
case FlipperStreamValueInt32: {
|
|
int32_t* data = _data;
|
|
scan_values = sscanf(furi_string_get_cstr(value), "%" PRIi32, &data[i]);
|
|
}; break;
|
|
case FlipperStreamValueUint32: {
|
|
uint32_t* data = _data;
|
|
scan_values = sscanf(furi_string_get_cstr(value), "%" PRId32, &data[i]);
|
|
}; break;
|
|
case FlipperStreamValueHexUint64: {
|
|
uint64_t* data = _data;
|
|
if(furi_string_size(value) >= 16) {
|
|
if(hex_chars_to_uint64(furi_string_get_cstr(value), &data[i])) {
|
|
scan_values = 1;
|
|
}
|
|
}
|
|
}; break;
|
|
case FlipperStreamValueBool: {
|
|
bool* data = _data;
|
|
data[i] = !furi_string_cmpi(value, "true");
|
|
scan_values = 1;
|
|
}; break;
|
|
default:
|
|
furi_crash("Unknown FF type");
|
|
}
|
|
|
|
if(scan_values != 1) {
|
|
result = false;
|
|
break;
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
if(last && ((i + 1) != data_size)) {
|
|
result = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
furi_string_free(value);
|
|
}
|
|
} while(false);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_get_value_count(
|
|
Stream* stream,
|
|
const char* key,
|
|
uint32_t* count,
|
|
bool strict_mode) {
|
|
bool result = false;
|
|
bool last = false;
|
|
|
|
FuriString* value;
|
|
value = furi_string_alloc();
|
|
|
|
uint32_t position = stream_tell(stream);
|
|
do {
|
|
if(!flipper_format_stream_seek_to_key(stream, key, strict_mode)) break;
|
|
*count = 0;
|
|
|
|
result = true;
|
|
while(true) {
|
|
if(!flipper_format_stream_read_value(stream, value, &last)) {
|
|
result = false;
|
|
break;
|
|
}
|
|
|
|
*count = *count + 1;
|
|
if(last) break;
|
|
}
|
|
|
|
} while(false);
|
|
|
|
if(!stream_seek(stream, position, StreamOffsetFromStart)) {
|
|
result = false;
|
|
}
|
|
|
|
furi_string_free(value);
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_delete_key_and_write(
|
|
Stream* stream,
|
|
FlipperStreamWriteData* write_data,
|
|
bool strict_mode) {
|
|
bool result = false;
|
|
|
|
do {
|
|
size_t size = stream_size(stream);
|
|
if(size == 0) break;
|
|
|
|
if(!stream_rewind(stream)) break;
|
|
|
|
// find key
|
|
if(!flipper_format_stream_seek_to_key(stream, write_data->key, strict_mode)) break;
|
|
|
|
// get key start position
|
|
size_t start_position = stream_tell(stream) - strlen(write_data->key);
|
|
if(start_position >= 2) {
|
|
start_position -= 2;
|
|
} else {
|
|
// something wrong
|
|
break;
|
|
}
|
|
|
|
// get value end position
|
|
if(!flipper_format_stream_seek_to_next_line(stream)) break;
|
|
size_t end_position = stream_tell(stream);
|
|
// newline symbol
|
|
if(end_position < size) {
|
|
end_position += 1;
|
|
}
|
|
|
|
if(!stream_seek(stream, start_position, StreamOffsetFromStart)) break;
|
|
if(!stream_delete_and_insert(
|
|
stream,
|
|
end_position - start_position,
|
|
(StreamWriteCB)flipper_format_stream_write_value_line,
|
|
write_data))
|
|
break;
|
|
|
|
result = true;
|
|
} while(false);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool flipper_format_stream_write_comment_cstr(Stream* stream, const char* data) {
|
|
bool result = false;
|
|
do {
|
|
const char comment_buffer[2] = {flipper_format_comment, ' '};
|
|
result = flipper_format_stream_write(stream, comment_buffer, sizeof(comment_buffer));
|
|
if(!result) break;
|
|
|
|
result = flipper_format_stream_write(stream, data, strlen(data));
|
|
if(!result) break;
|
|
|
|
result = flipper_format_stream_write_eol(stream);
|
|
} while(false);
|
|
|
|
return result;
|
|
}
|