| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "flutter/shell/platform/linux/testing/fl_test.h" |
| |
| static uint8_t hex_digit_to_int(char value) { |
| if (value >= '0' && value <= '9') |
| return value - '0'; |
| else if (value >= 'a' && value <= 'f') |
| return value - 'a' + 10; |
| else if (value >= 'F' && value <= 'F') |
| return value - 'A' + 10; |
| else |
| return 0; |
| } |
| |
| static uint8_t parse_hex8(const gchar* hex_string) { |
| if (hex_string[0] == '\0') |
| return 0x00; |
| return hex_digit_to_int(hex_string[0]) << 4 | hex_digit_to_int(hex_string[1]); |
| } |
| |
| GBytes* hex_string_to_bytes(const gchar* hex_string) { |
| GByteArray* buffer = g_byte_array_new(); |
| for (int i = 0; hex_string[i] != '\0' && hex_string[i + 1] != '\0'; i += 2) { |
| uint8_t value = parse_hex8(hex_string + i); |
| g_byte_array_append(buffer, &value, 1); |
| } |
| return g_byte_array_free_to_bytes(buffer); |
| } |
| |
| gchar* bytes_to_hex_string(GBytes* bytes) { |
| GString* hex_string = g_string_new(""); |
| size_t data_length; |
| const uint8_t* data = |
| static_cast<const uint8_t*>(g_bytes_get_data(bytes, &data_length)); |
| for (size_t i = 0; i < data_length; i++) |
| g_string_append_printf(hex_string, "%02x", data[i]); |
| return g_string_free(hex_string, FALSE); |
| } |