47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
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/* Copyright (C) Teemu Suutari */
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#ifndef CRMDECOMPRESSOR_HPP
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#define CRMDECOMPRESSOR_HPP
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#include "Decompressor.hpp"
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#include "XPKDecompressor.hpp"
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namespace ancient::internal
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{
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class CRMDecompressor : public Decompressor, public XPKDecompressor
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{
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public:
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CRMDecompressor(const Buffer &packedData,uint32_t recursionLevel,bool verify);
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CRMDecompressor(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify);
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virtual ~CRMDecompressor();
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virtual const std::string &getName() const noexcept override final;
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virtual const std::string &getSubName() const noexcept override final;
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virtual size_t getPackedSize() const noexcept override final;
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virtual size_t getRawSize() const noexcept override final;
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virtual void decompressImpl(Buffer &rawData,bool verify) override final;
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virtual void decompressImpl(Buffer &rawData,const Buffer &previousData,bool verify) override final;
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static bool detectHeader(uint32_t hdr) noexcept;
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static bool detectHeaderXPK(uint32_t hdr) noexcept;
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static std::shared_ptr<Decompressor> create(const Buffer &packedData,bool exactSizeKnown,bool verify);
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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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const Buffer &_packedData;
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uint32_t _packedSize=0;
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uint32_t _rawSize=0;
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bool _isLZH=false; // "normal" compression or LZH compression
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bool _isSampled=false; // normal or "sampled" i.e. obsfuscated
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bool _isXPKDelta=false; // If delta encoding defined in XPK
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};
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}
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#endif
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