5 #include "../../../C/CpuArch.h"
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7 #include "Common/ComTry.h"
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8 #include "Common/IntToString.h"
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10 #include "Windows/PropVariant.h"
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12 #include "../Common/CreateCoder.h"
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13 #include "../Common/ProgressUtils.h"
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14 #include "../Common/RegisterArc.h"
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15 #include "../Common/StreamUtils.h"
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17 #include "../Compress/LzmaDecoder.h"
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19 #include "Common/DummyOutStream.h"
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21 using namespace NWindows;
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23 namespace NArchive {
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26 static bool CheckDicSize(const Byte *p)
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28 UInt32 dicSize = GetUi32(p);
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29 for (int i = 1; i <= 30; i++)
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30 if (dicSize == ((UInt32)2 << i) || dicSize == ((UInt32)3 << i))
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32 return (dicSize == 0xFFFFFFFF);
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35 STATPROPSTG kProps[] =
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37 { NULL, kpidSize, VT_UI8},
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38 { NULL, kpidPackSize, VT_UI8},
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39 { NULL, kpidMethod, VT_BSTR}
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48 UInt32 GetDicSize() const { return GetUi32(LzmaProps + 1); }
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49 bool HasSize() const { return (Size != (UInt64)(Int64)-1); }
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50 bool Parse(const Byte *buf, bool isThereFilter);
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53 bool CHeader::Parse(const Byte *buf, bool isThereFilter)
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58 const Byte *sig = buf + (isThereFilter ? 1 : 0);
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59 for (int i = 0; i < 5; i++)
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60 LzmaProps[i] = sig[i];
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61 Size = GetUi64(sig + 5);
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63 LzmaProps[0] < 5 * 5 * 9 &&
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65 (!HasSize() || Size < ((UInt64)1 << 56)) &&
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66 CheckDicSize(LzmaProps + 1);
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71 NCompress::NLzma::CDecoder *_lzmaDecoderSpec;
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72 CMyComPtr<ICompressCoder> _lzmaDecoder;
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73 CMyComPtr<ISequentialOutStream> _bcjStream;
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76 HRESULT Create(DECL_EXTERNAL_CODECS_LOC_VARS
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77 bool filtered, ISequentialInStream *inStream);
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79 HRESULT Code(const CHeader &header, ISequentialOutStream *outStream, ICompressProgressInfo *progress);
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81 UInt64 GetInputProcessedSize() const { return _lzmaDecoderSpec->GetInputProcessedSize(); }
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83 void ReleaseInStream() { if (_lzmaDecoder) _lzmaDecoderSpec->ReleaseInStream(); }
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85 HRESULT ReadInput(Byte *data, UInt32 size, UInt32 *processedSize)
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86 { return _lzmaDecoderSpec->ReadFromInputStream(data, size, processedSize); }
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89 static const UInt64 k_BCJ = 0x03030103;
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91 HRESULT CDecoder::Create(
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92 DECL_EXTERNAL_CODECS_LOC_VARS
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93 bool filteredMode, ISequentialInStream *inStream)
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97 _lzmaDecoderSpec = new NCompress::NLzma::CDecoder;
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98 _lzmaDecoder = _lzmaDecoderSpec;
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105 CMyComPtr<ICompressCoder> coder;
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106 RINOK(CreateCoder(EXTERNAL_CODECS_LOC_VARS k_BCJ, coder, false));
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109 coder.QueryInterface(IID_ISequentialOutStream, &_bcjStream);
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115 return _lzmaDecoderSpec->SetInStream(inStream);
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118 CDecoder::~CDecoder()
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123 HRESULT CDecoder::Code(const CHeader &header, ISequentialOutStream *outStream,
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124 ICompressProgressInfo *progress)
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126 if (header.FilterID > 1)
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130 CMyComPtr<ICompressSetDecoderProperties2> setDecoderProperties;
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131 _lzmaDecoder.QueryInterface(IID_ICompressSetDecoderProperties2, &setDecoderProperties);
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132 if (!setDecoderProperties)
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134 RINOK(setDecoderProperties->SetDecoderProperties2(header.LzmaProps, 5));
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137 CMyComPtr<ICompressSetOutStream> setOutStream;
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139 bool filteredMode = (header.FilterID == 1);
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143 _bcjStream.QueryInterface(IID_ICompressSetOutStream, &setOutStream);
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146 RINOK(setOutStream->SetOutStream(outStream));
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147 outStream = _bcjStream;
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150 const UInt64 *Size = header.HasSize() ? &header.Size : NULL;
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151 HRESULT res = _lzmaDecoderSpec->CodeResume(outStream, Size, progress);
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155 CMyComPtr<IOutStreamFlush> flush;
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156 _bcjStream.QueryInterface(IID_IOutStreamFlush, &flush);
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159 HRESULT res2 = flush->Flush();
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163 HRESULT res2 = setOutStream->ReleaseOutStream();
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175 public IArchiveOpenSeq,
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176 PUBLIC_ISetCompressCodecsInfo
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177 public CMyUnknownImp
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181 UInt64 _startPosition;
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183 bool _packSizeDefined;
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184 CMyComPtr<IInStream> _stream;
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185 CMyComPtr<ISequentialInStream> _seqStream;
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187 DECL_EXTERNAL_CODECS_VARS
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188 DECL_ISetCompressCodecsInfo
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191 MY_QUERYINTERFACE_BEGIN2(IInArchive)
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192 MY_QUERYINTERFACE_ENTRY(IArchiveOpenSeq)
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193 QUERY_ENTRY_ISetCompressCodecsInfo
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194 MY_QUERYINTERFACE_END
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197 INTERFACE_IInArchive(;)
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198 STDMETHOD(OpenSeq)(ISequentialInStream *stream);
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200 CHandler(bool lzma86) { _lzma86 = lzma86; }
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202 unsigned GetHeaderSize() const { return 5 + 8 + (_lzma86 ? 1 : 0); }
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206 IMP_IInArchive_Props
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207 IMP_IInArchive_ArcProps_NO_Table
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209 STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
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211 NCOM::CPropVariant prop;
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214 case kpidPhySize: if (_packSizeDefined) prop = _packSize; break;
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216 prop.Detach(value);
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220 STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
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226 static void DictSizeToString(UInt32 value, char *s)
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228 for (int i = 0; i <= 31; i++)
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229 if ((UInt32(1) << i) == value)
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231 ::ConvertUInt32ToString(i, s);
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235 if ((value & ((1 << 20) - 1)) == 0)
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240 else if ((value & ((1 << 10) - 1)) == 0)
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245 ::ConvertUInt32ToString(value, s);
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246 int p = MyStringLen(s);
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251 static void MyStrCat(char *d, const char *s)
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253 MyStringCopy(d + MyStringLen(d), s);
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256 STDMETHODIMP CHandler::GetProperty(UInt32 /* index */, PROPID propID, PROPVARIANT *value)
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258 NCOM::CPropVariant prop;
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261 case kpidSize: if (_stream && _header.HasSize()) prop = _header.Size; break;
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262 case kpidPackSize: if (_packSizeDefined) prop = _packSize; break;
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268 if (_header.FilterID != 0)
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269 MyStrCat(s, "BCJ ");
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270 MyStrCat(s, "LZMA:");
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271 DictSizeToString(_header.GetDicSize(), s + MyStringLen(s));
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276 prop.Detach(value);
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280 STDMETHODIMP CHandler::Open(IInStream *inStream, const UInt64 *, IArchiveOpenCallback *)
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282 RINOK(inStream->Seek(0, STREAM_SEEK_CUR, &_startPosition));
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284 const UInt32 kBufSize = 1 + 5 + 8 + 1;
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285 Byte buf[kBufSize];
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287 RINOK(ReadStream_FALSE(inStream, buf, kBufSize));
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289 if (!_header.Parse(buf, _lzma86))
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291 const Byte *start = buf + GetHeaderSize();
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296 RINOK(inStream->Seek(0, STREAM_SEEK_END, &endPos));
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297 _packSize = endPos - _startPosition;
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298 _packSizeDefined = true;
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300 _stream = inStream;
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301 _seqStream = inStream;
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305 STDMETHODIMP CHandler::OpenSeq(ISequentialInStream *stream)
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308 _seqStream = stream;
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312 STDMETHODIMP CHandler::Close()
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314 _packSizeDefined = false;
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316 _seqStream.Release();
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321 STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
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322 Int32 testMode, IArchiveExtractCallback *extractCallback)
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327 if (numItems != (UInt32)-1 && (numItems != 1 || indices[0] != 0))
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328 return E_INVALIDARG;
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331 extractCallback->SetTotal(_packSize);
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334 CMyComPtr<ISequentialOutStream> realOutStream;
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335 Int32 askMode = testMode ?
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336 NExtract::NAskMode::kTest :
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337 NExtract::NAskMode::kExtract;
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338 RINOK(extractCallback->GetStream(0, &realOutStream, askMode));
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339 if (!testMode && !realOutStream)
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342 extractCallback->PrepareOperation(askMode);
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344 CDummyOutStream *outStreamSpec = new CDummyOutStream;
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345 CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
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346 outStreamSpec->SetStream(realOutStream);
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347 outStreamSpec->Init();
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348 realOutStream.Release();
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350 CLocalProgress *lps = new CLocalProgress;
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351 CMyComPtr<ICompressProgressInfo> progress = lps;
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352 lps->Init(extractCallback, true);
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356 RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL));
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360 HRESULT result = decoder.Create(
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361 EXTERNAL_CODECS_VARS
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362 _lzma86, _seqStream);
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365 Int32 opRes = NExtract::NOperationResult::kOK;
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366 bool firstItem = true;
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370 lps->OutSize = outStreamSpec->GetSize();
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371 lps->InSize = _packSize = decoder.GetInputProcessedSize();
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372 _packSizeDefined = true;
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373 RINOK(lps->SetCur());
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377 const UInt32 kBufSize = 1 + 5 + 8;
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378 Byte buf[kBufSize];
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379 const UInt32 headerSize = GetHeaderSize();
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381 RINOK(decoder.ReadInput(buf, headerSize, &processed));
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382 if (processed != headerSize)
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385 if (!st.Parse(buf, _lzma86))
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389 result = decoder.Code(st, outStream, progress);
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390 if (result == E_NOTIMPL)
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392 opRes = NExtract::NOperationResult::kUnSupportedMethod;
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395 if (result == S_FALSE)
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397 opRes = NExtract::NOperationResult::kDataError;
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404 outStream.Release();
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405 return extractCallback->SetOperationResult(opRes);
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409 IMPL_ISetCompressCodecsInfo
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411 static IInArchive *CreateArc() { return new CHandler(false); }
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412 static IInArchive *CreateArc86() { return new CHandler(true); }
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414 namespace NLzmaAr {
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416 static CArcInfo g_ArcInfo =
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417 { L"lzma", L"lzma", 0, 0xA, { 0 }, 0, true, CreateArc, NULL };
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422 namespace NLzma86Ar {
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424 static CArcInfo g_ArcInfo =
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425 { L"lzma86", L"lzma86", 0, 0xB, { 0 }, 0, true, CreateArc86, NULL };
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426 REGISTER_ARC(Lzma86)
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