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52 lines
2.4 KiB
C++
52 lines
2.4 KiB
C++
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#pragma once
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#include "common/heap_array.h"
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#include <optional>
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#include <span>
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class Error;
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namespace CompressHelpers {
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enum class CompressType
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{
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Uncompressed,
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Zstandard,
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XZ,
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Count
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};
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using ByteBuffer = DynamicHeapArray<u8>;
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using OptionalByteBuffer = std::optional<ByteBuffer>;
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OptionalByteBuffer DecompressBuffer(CompressType type, std::span<const u8> data,
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std::optional<size_t> decompressed_size = std::nullopt, Error* error = nullptr);
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OptionalByteBuffer DecompressBuffer(CompressType type, OptionalByteBuffer data,
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std::optional<size_t> decompressed_size = std::nullopt, Error* error = nullptr);
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OptionalByteBuffer DecompressFile(std::string_view path, std::span<const u8> data,
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std::optional<size_t> decompressed_size = std::nullopt, Error* error = nullptr);
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OptionalByteBuffer DecompressFile(std::string_view path, OptionalByteBuffer data,
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std::optional<size_t> decompressed_size = std::nullopt, Error* error = nullptr);
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OptionalByteBuffer DecompressFile(const char* path, std::optional<size_t> decompressed_size = std::nullopt,
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Error* error = nullptr);
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OptionalByteBuffer DecompressFile(CompressType type, const char* path,
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std::optional<size_t> decompressed_size = std::nullopt, Error* error = nullptr);
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OptionalByteBuffer CompressToBuffer(CompressType type, const void* data, size_t data_size, int clevel = -1,
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Error* error = nullptr);
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OptionalByteBuffer CompressToBuffer(CompressType type, std::span<const u8> data, int clevel = -1,
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Error* error = nullptr);
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OptionalByteBuffer CompressToBuffer(CompressType type, OptionalByteBuffer data, int clevel = -1,
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Error* error = nullptr);
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bool CompressToFile(const char* path, std::span<const u8> data, int clevel = -1, bool atomic_write = true,
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Error* error = nullptr);
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bool CompressToFile(CompressType type, const char* path, std::span<const u8> data, int clevel = -1,
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bool atomic_write = true, Error* error = nullptr);
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const char* SZErrorToString(int res);
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} // namespace CompressHelpers
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