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