52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/* Copyright (C) Teemu Suutari */
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#ifndef SXSCDECOMPRESSOR_HPP
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#define SXSCDECOMPRESSOR_HPP
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#include <cstdint>
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#include "XPKDecompressor.hpp"
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#include "InputStream.hpp"
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#include "RangeDecoder.hpp"
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namespace ancient::internal
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{
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class SXSCDecompressor : public XPKDecompressor
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{
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public:
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SXSCDecompressor(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify);
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virtual ~SXSCDecompressor();
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virtual const std::string &getSubName() const noexcept override final;
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virtual void decompressImpl(Buffer &rawData,const Buffer &previousData,bool verify) override final;
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static bool detectHeaderXPK(uint32_t hdr) noexcept;
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static std::shared_ptr<XPKDecompressor> create(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify);
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private:
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class SXSCReader : public RangeDecoder::BitReader
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{
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public:
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SXSCReader(ForwardInputStream &stream);
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virtual ~SXSCReader();
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virtual uint32_t readBit() override final;
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private:
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MSBBitReader<ForwardInputStream> _reader;
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};
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void decompressASC(Buffer &rawData,ForwardInputStream &inputStream);
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void decompressHSC(Buffer &rawData,ForwardInputStream &inputStream);
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const Buffer &_packedData;
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bool _isHSC;
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};
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}
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#endif
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