mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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84 lines
3 KiB
C++
84 lines
3 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vapours/common.hpp>
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#include <vapours/assert.hpp>
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#include <vapours/util/util_format_string.hpp>
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namespace ams::util {
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struct Uuid {
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static constexpr size_t Size = 0x10;
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static constexpr size_t StringSize = sizeof("XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX");
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u8 data[Size];
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friend bool operator==(const Uuid &lhs, const Uuid &rhs) {
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return std::memcmp(lhs.data, rhs.data, Size) == 0;
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}
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friend bool operator!=(const Uuid &lhs, const Uuid &rhs) {
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return !(lhs == rhs);
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}
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const char *ToString(char *dst, size_t dst_size) const {
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util::SNPrintf(dst, dst_size, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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this->data[ 0], this->data[ 1], this->data[ 2], this->data[ 3], this->data[ 4], this->data[ 5], this->data[ 6], this->data[ 7],
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this->data[ 8], this->data[ 9], this->data[10], this->data[11], this->data[12], this->data[13], this->data[14], this->data[15]);
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return dst;
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}
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void FromString(const char *str) {
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char buf[2 + 1] = {};
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char *end;
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s32 i = 0;
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for (/* ... */; i < 4; ++i, str += 2) {
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std::memcpy(buf, str, 2);
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this->data[i] = static_cast<u8>(std::strtoul(buf, std::addressof(end), 16));
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}
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++str;
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for (/* ... */; i < 6; ++i, str += 2) {
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std::memcpy(buf, str, 2);
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this->data[i] = static_cast<u8>(std::strtoul(buf, std::addressof(end), 16));
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}
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++str;
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for (/* ... */; i < 8; ++i, str += 2) {
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std::memcpy(buf, str, 2);
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this->data[i] = static_cast<u8>(std::strtoul(buf, std::addressof(end), 16));
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}
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++str;
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for (/* ... */; i < 10; ++i, str += 2) {
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std::memcpy(buf, str, 2);
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this->data[i] = static_cast<u8>(std::strtoul(buf, std::addressof(end), 16));
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}
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++str;
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for (/* ... */; i < 16; ++i, str += 2) {
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std::memcpy(buf, str, 2);
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this->data[i] = static_cast<u8>(std::strtoul(buf, std::addressof(end), 16));
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}
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}
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};
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constexpr inline Uuid InvalidUuid = {};
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}
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