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93 lines
3.2 KiB
93 lines
3.2 KiB
/****************************************************************************
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Copyright (c) 2021-2023 Xiamen Yaji Software Co., Ltd.
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https://www.cocos.com/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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***************************************************************************/
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#pragma once
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#include <cstdint>
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#include <istream>
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#include <ostream>
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#include "cocos/base/std/container/string.h"
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#include "cocos/renderer/pipeline/custom/ArchiveTypes.h"
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namespace cc {
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namespace render {
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class BinaryOutputArchive final : public OutputArchive {
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public:
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BinaryOutputArchive(std::ostream& os, boost::container::pmr::memory_resource* scratch)
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: _os(os), _scratch(scratch) {}
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void writeBool(bool value) override {
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uint8_t v = value ? 1 : 0;
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_os.write(reinterpret_cast<const char*>(&v), sizeof(v));
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}
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void writeNumber(double value) override {
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_os.write(reinterpret_cast<const char*>(&value), sizeof(value));
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}
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void writeString(std::string_view value) override {
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writeNumber(static_cast<double>(value.size()));
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_os.write(value.data(), static_cast<std::streamsize>(value.size()));
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}
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boost::container::pmr::memory_resource* scratch() const noexcept override {
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return _scratch;
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}
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private:
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std::ostream& _os;
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boost::container::pmr::memory_resource* _scratch;
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};
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class BinaryInputArchive final : public InputArchive {
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public:
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BinaryInputArchive(std::istream& is, boost::container::pmr::memory_resource* scratch)
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: _is(is), _temp(scratch) {}
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bool readBool() override {
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uint8_t v;
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_is.read(reinterpret_cast<char*>(&v), sizeof(v));
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return v != 0;
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}
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double readNumber() override {
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double v;
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_is.read(reinterpret_cast<char*>(&v), sizeof(v));
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return v;
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}
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std::string_view readString() override {
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double size = readNumber();
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_temp.resize(static_cast<size_t>(size));
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_is.read(_temp.data(), static_cast<std::streamsize>(size));
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return _temp;
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}
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boost::container::pmr::memory_resource* scratch() const noexcept override {
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return _temp.get_allocator().resource();
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}
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private:
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std::istream& _is;
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ccstd::pmr::string _temp;
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};
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} // namespace render
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} // namespace cc
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