48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
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/* Copyright (C) Teemu Suutari */
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#include <cstring>
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#include "NONEDecompressor.hpp"
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#include "common/Common.hpp"
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namespace ancient::internal
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{
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bool NONEDecompressor::detectHeaderXPK(uint32_t hdr) noexcept
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{
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return hdr==FourCC("NONE");
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}
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std::shared_ptr<XPKDecompressor> NONEDecompressor::create(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify)
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{
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return std::make_shared<NONEDecompressor>(hdr,recursionLevel,packedData,state,verify);
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}
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NONEDecompressor::NONEDecompressor(uint32_t hdr,uint32_t recursionLevel,const Buffer &packedData,std::shared_ptr<XPKDecompressor::State> &state,bool verify) :
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XPKDecompressor(recursionLevel),
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_packedData(packedData)
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{
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if (!detectHeaderXPK(hdr)) throw Decompressor::InvalidFormatError();
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}
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NONEDecompressor::~NONEDecompressor()
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{
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// nothing needed
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}
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const std::string &NONEDecompressor::getSubName() const noexcept
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{
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static std::string name="XPK-NONE: Null compressor";
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return name;
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}
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void NONEDecompressor::decompressImpl(Buffer &rawData,const Buffer &previousData,bool verify)
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{
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if (rawData.size()!=_packedData.size()) throw Decompressor::DecompressionError();
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std::memcpy(rawData.data(),_packedData.data(),_packedData.size());
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}
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}
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