95ddd4b23f
Co-authored-by: Metehan Tuncbilek <mtuncbilek95@gmail.com> Reviewed-by: Georg Hagen <georg.hagen@madvoxel.com> Co-authored-by: mtuncbilek <metehan.tuncbilek@madvoxel.com> Co-committed-by: mtuncbilek <metehan.tuncbilek@madvoxel.com>
48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "IO/MemMappedFile.hpp"
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#include <filesystem>
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namespace OpenVulkano
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{
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class MemMappedFileWriteHelper
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{
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public:
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MemMappedFileWriteHelper(const std::filesystem::path& path, size_t maxFileSize);
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~MemMappedFileWriteHelper();
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[[nodiscard]] void* Data() const { return m_file->Data(); }
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[[nodiscard]] size_t Size() const { return m_file->Size(); }
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bool Resize(size_t newSize);
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void Close();
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bool Trim(size_t finalFileSize);
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static constexpr size_t USE_CURRENT_FILE_SIZE = 0;
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private:
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MemMappedFile* m_file;
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std::filesystem::path m_path;
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};
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class MemMappedFileWriter final
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{
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public:
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MemMappedFileWriter(const std::filesystem::path& path, size_t maxFileSize);
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~MemMappedFileWriter();
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void Write(const char* data, size_t size);
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void SetOffset(size_t offset) { m_writtenSize = offset; }
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[[nodiscard]] size_t GetOffset() const { return m_writtenSize; }
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private:
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MemMappedFileWriteHelper m_helper;
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size_t m_writtenSize = 0;
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};
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} |