57 lines
1.6 KiB
C++
Vendored
57 lines
1.6 KiB
C++
Vendored
/* Copyright (C) Teemu Suutari */
|
|
|
|
#ifndef PPDECOMPRESSOR_HPP
|
|
#define PPDECOMPRESSOR_HPP
|
|
|
|
#include "Decompressor.hpp"
|
|
#include "XPKDecompressor.hpp"
|
|
|
|
namespace ancient::internal
|
|
{
|
|
|
|
class PPDecompressor : public Decompressor, public XPKDecompressor
|
|
{
|
|
private:
|
|
class PPState : public XPKDecompressor::State
|
|
{
|
|
public:
|
|
PPState(uint32_t mode);
|
|
virtual ~PPState();
|
|
|
|
uint32_t _cachedMode;
|
|
};
|
|
|
|
public:
|
|
PPDecompressor(const Buffer &packedData,bool exactSizeKnown,bool verify);
|
|
PPDecompressor(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify);
|
|
virtual ~PPDecompressor();
|
|
|
|
virtual const std::string &getName() const noexcept override final;
|
|
virtual const std::string &getSubName() const noexcept override final;
|
|
|
|
virtual size_t getPackedSize() const noexcept override final;
|
|
virtual size_t getRawSize() const noexcept override final;
|
|
|
|
virtual void decompressImpl(Buffer &rawData,bool verify) override final;
|
|
virtual void decompressImpl(Buffer &rawData,const Buffer &previousData,bool verify) override final;
|
|
|
|
static bool detectHeader(uint32_t hdr) noexcept;
|
|
static bool detectHeaderXPK(uint32_t hdr) noexcept;
|
|
|
|
static std::shared_ptr<Decompressor> create(const Buffer &packedData,bool exactSizeKnown,bool verify);
|
|
static std::shared_ptr<XPKDecompressor> create(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify);
|
|
|
|
private:
|
|
const Buffer &_packedData;
|
|
|
|
size_t _dataStart=0;
|
|
size_t _rawSize=0;
|
|
uint8_t _startShift=0;
|
|
uint8_t _modeTable[4];
|
|
bool _isXPK=false;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|