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9ea2db5bac
Classs for binary message encoding/decoding that matches the ones in the Flutter services library.
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/shell/platform/linux/testing/fl_test.h"
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static uint8_t hex_digit_to_int(char value) {
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if (value >= '0' && value <= '9')
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return value - '0';
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else if (value >= 'a' && value <= 'f')
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return value - 'a' + 10;
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else if (value >= 'F' && value <= 'F')
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return value - 'A' + 10;
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else
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return 0;
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}
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static uint8_t parse_hex8(const gchar* hex_string) {
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if (hex_string[0] == '\0')
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return 0x00;
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return hex_digit_to_int(hex_string[0]) << 4 | hex_digit_to_int(hex_string[1]);
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}
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GBytes* hex_string_to_bytes(const gchar* hex_string) {
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GByteArray* buffer = g_byte_array_new();
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for (int i = 0; hex_string[i] != '\0' && hex_string[i + 1] != '\0'; i += 2) {
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uint8_t value = parse_hex8(hex_string + i);
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g_byte_array_append(buffer, &value, 1);
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}
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return g_byte_array_free_to_bytes(buffer);
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}
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gchar* bytes_to_hex_string(GBytes* bytes) {
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GString* hex_string = g_string_new("");
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size_t data_length;
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const uint8_t* data =
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static_cast<const uint8_t*>(g_bytes_get_data(bytes, &data_length));
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for (size_t i = 0; i < data_length; i++)
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g_string_append_printf(hex_string, "%02x", data[i]);
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return g_string_free(hex_string, FALSE);
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}
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