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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-03-25 17:53:14 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-03-25 17:53:14 +0100
commitf2902217b38cf2e16e851ae84d61247f8e828180 (patch)
tree0156a6db6aa8b4d87bf041ece5cf5229c59fe9de /other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp
parent917a2c450f08ab4c934c9938319f10a1114272b4 (diff)
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Update the 7z installer stub source to 18.05.
Tag #1022
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp')
-rw-r--r--other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp666
1 files changed, 666 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp b/other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp
new file mode 100644
index 000000000..4e083bf19
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Compress/Bcj2Coder.cpp
@@ -0,0 +1,666 @@
+// Bcj2Coder.cpp
+
+#include "StdAfx.h"
+
+#include "../../../C/Alloc.h"
+
+#include "../Common/StreamUtils.h"
+
+#include "Bcj2Coder.h"
+
+namespace NCompress {
+namespace NBcj2 {
+
+CBaseCoder::CBaseCoder()
+{
+ for (int i = 0; i < BCJ2_NUM_STREAMS + 1; i++)
+ {
+ _bufs[i] = NULL;
+ _bufsCurSizes[i] = 0;
+ _bufsNewSizes[i] = (1 << 18);
+ }
+}
+
+CBaseCoder::~CBaseCoder()
+{
+ for (int i = 0; i < BCJ2_NUM_STREAMS + 1; i++)
+ ::MidFree(_bufs[i]);
+}
+
+HRESULT CBaseCoder::Alloc(bool allocForOrig)
+{
+ unsigned num = allocForOrig ? BCJ2_NUM_STREAMS + 1 : BCJ2_NUM_STREAMS;
+ for (unsigned i = 0; i < num; i++)
+ {
+ UInt32 newSize = _bufsNewSizes[i];
+ const UInt32 kMinBufSize = 1;
+ if (newSize < kMinBufSize)
+ newSize = kMinBufSize;
+ if (!_bufs[i] || newSize != _bufsCurSizes[i])
+ {
+ if (_bufs[i])
+ {
+ ::MidFree(_bufs[i]);
+ _bufs[i] = 0;
+ }
+ _bufsCurSizes[i] = 0;
+ Byte *buf = (Byte *)::MidAlloc(newSize);
+ _bufs[i] = buf;
+ if (!buf)
+ return E_OUTOFMEMORY;
+ _bufsCurSizes[i] = newSize;
+ }
+ }
+ return S_OK;
+}
+
+
+
+#ifndef EXTRACT_ONLY
+
+CEncoder::CEncoder(): _relatLim(BCJ2_RELAT_LIMIT) {}
+CEncoder::~CEncoder() {}
+
+STDMETHODIMP CEncoder::SetInBufSize(UInt32, UInt32 size) { _bufsNewSizes[BCJ2_NUM_STREAMS] = size; return S_OK; }
+STDMETHODIMP CEncoder::SetOutBufSize(UInt32 streamIndex, UInt32 size) { _bufsNewSizes[streamIndex] = size; return S_OK; }
+
+STDMETHODIMP CEncoder::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps)
+{
+ UInt32 relatLim = BCJ2_RELAT_LIMIT;
+
+ for (UInt32 i = 0; i < numProps; i++)
+ {
+ const PROPVARIANT &prop = props[i];
+ PROPID propID = propIDs[i];
+ if (propID >= NCoderPropID::kReduceSize)
+ continue;
+ switch (propID)
+ {
+ /*
+ case NCoderPropID::kDefaultProp:
+ {
+ if (prop.vt != VT_UI4)
+ return E_INVALIDARG;
+ UInt32 v = prop.ulVal;
+ if (v > 31)
+ return E_INVALIDARG;
+ relatLim = (UInt32)1 << v;
+ break;
+ }
+ */
+ case NCoderPropID::kDictionarySize:
+ {
+ if (prop.vt != VT_UI4)
+ return E_INVALIDARG;
+ relatLim = prop.ulVal;
+ if (relatLim > ((UInt32)1 << 31))
+ return E_INVALIDARG;
+ break;
+ }
+
+ case NCoderPropID::kNumThreads:
+ continue;
+ case NCoderPropID::kLevel:
+ continue;
+
+ default: return E_INVALIDARG;
+ }
+ }
+
+ _relatLim = relatLim;
+
+ return S_OK;
+}
+
+
+HRESULT CEncoder::CodeReal(ISequentialInStream * const *inStreams, const UInt64 * const *inSizes, UInt32 numInStreams,
+ ISequentialOutStream * const *outStreams, const UInt64 * const * /* outSizes */, UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ if (numInStreams != 1 || numOutStreams != BCJ2_NUM_STREAMS)
+ return E_INVALIDARG;
+
+ RINOK(Alloc());
+
+ UInt32 fileSize_for_Conv = 0;
+ if (inSizes && inSizes[0])
+ {
+ UInt64 inSize = *inSizes[0];
+ if (inSize <= BCJ2_FileSize_MAX)
+ fileSize_for_Conv = (UInt32)inSize;
+ }
+
+ CMyComPtr<ICompressGetSubStreamSize> getSubStreamSize;
+ inStreams[0]->QueryInterface(IID_ICompressGetSubStreamSize, (void **)&getSubStreamSize);
+
+ CBcj2Enc enc;
+
+ enc.src = _bufs[BCJ2_NUM_STREAMS];
+ enc.srcLim = enc.src;
+
+ {
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ {
+ enc.bufs[i] = _bufs[i];
+ enc.lims[i] = _bufs[i] + _bufsCurSizes[i];
+ }
+ }
+
+ size_t numBytes_in_ReadBuf = 0;
+ UInt64 prevProgress = 0;
+ UInt64 totalStreamRead = 0; // size read from InputStream
+ UInt64 currentInPos = 0; // data that was processed, it doesn't include data in input buffer and data in enc.temp
+ UInt64 outSizeRc = 0;
+
+ Bcj2Enc_Init(&enc);
+
+ enc.fileIp = 0;
+ enc.fileSize = fileSize_for_Conv;
+
+ enc.relatLimit = _relatLim;
+
+ enc.finishMode = BCJ2_ENC_FINISH_MODE_CONTINUE;
+
+ bool needSubSize = false;
+ UInt64 subStreamIndex = 0;
+ UInt64 subStreamStartPos = 0;
+ bool readWasFinished = false;
+
+ for (;;)
+ {
+ if (needSubSize && getSubStreamSize)
+ {
+ enc.fileIp = 0;
+ enc.fileSize = fileSize_for_Conv;
+ enc.finishMode = BCJ2_ENC_FINISH_MODE_CONTINUE;
+
+ for (;;)
+ {
+ UInt64 subStreamSize = 0;
+ HRESULT result = getSubStreamSize->GetSubStreamSize(subStreamIndex, &subStreamSize);
+ needSubSize = false;
+
+ if (result == S_OK)
+ {
+ UInt64 newEndPos = subStreamStartPos + subStreamSize;
+
+ bool isAccurateEnd = (newEndPos < totalStreamRead ||
+ (newEndPos <= totalStreamRead && readWasFinished));
+
+ if (newEndPos <= currentInPos && isAccurateEnd)
+ {
+ subStreamStartPos = newEndPos;
+ subStreamIndex++;
+ continue;
+ }
+
+ enc.srcLim = _bufs[BCJ2_NUM_STREAMS] + numBytes_in_ReadBuf;
+
+ if (isAccurateEnd)
+ {
+ // data in enc.temp is possible here
+ size_t rem = (size_t)(totalStreamRead - newEndPos);
+
+ /* Pos_of(enc.src) <= old newEndPos <= newEndPos
+ in another case, it's fail in some code */
+ if ((size_t)(enc.srcLim - enc.src) < rem)
+ return E_FAIL;
+
+ enc.srcLim -= rem;
+ enc.finishMode = BCJ2_ENC_FINISH_MODE_END_BLOCK;
+ }
+
+ if (subStreamSize <= BCJ2_FileSize_MAX)
+ {
+ enc.fileIp = enc.ip + (UInt32)(subStreamStartPos - currentInPos);
+ enc.fileSize = (UInt32)subStreamSize;
+ }
+ break;
+ }
+
+ if (result == S_FALSE)
+ break;
+ if (result == E_NOTIMPL)
+ {
+ getSubStreamSize.Release();
+ break;
+ }
+ return result;
+ }
+ }
+
+ if (readWasFinished && totalStreamRead - currentInPos == Bcj2Enc_Get_InputData_Size(&enc))
+ enc.finishMode = BCJ2_ENC_FINISH_MODE_END_STREAM;
+
+ Bcj2Enc_Encode(&enc);
+
+ currentInPos = totalStreamRead - numBytes_in_ReadBuf + (enc.src - _bufs[BCJ2_NUM_STREAMS]) - enc.tempPos;
+
+ if (Bcj2Enc_IsFinished(&enc))
+ break;
+
+ if (enc.state < BCJ2_NUM_STREAMS)
+ {
+ size_t curSize = enc.bufs[enc.state] - _bufs[enc.state];
+ // printf("Write stream = %2d %6d\n", enc.state, curSize);
+ RINOK(WriteStream(outStreams[enc.state], _bufs[enc.state], curSize));
+ if (enc.state == BCJ2_STREAM_RC)
+ outSizeRc += curSize;
+
+ enc.bufs[enc.state] = _bufs[enc.state];
+ enc.lims[enc.state] = _bufs[enc.state] + _bufsCurSizes[enc.state];
+ }
+ else if (enc.state != BCJ2_ENC_STATE_ORIG)
+ return E_FAIL;
+ else
+ {
+ needSubSize = true;
+
+ if (numBytes_in_ReadBuf != (size_t)(enc.src - _bufs[BCJ2_NUM_STREAMS]))
+ {
+ enc.srcLim = _bufs[BCJ2_NUM_STREAMS] + numBytes_in_ReadBuf;
+ continue;
+ }
+
+ if (readWasFinished)
+ continue;
+
+ numBytes_in_ReadBuf = 0;
+ enc.src = _bufs[BCJ2_NUM_STREAMS];
+ enc.srcLim = _bufs[BCJ2_NUM_STREAMS];
+
+ UInt32 curSize = _bufsCurSizes[BCJ2_NUM_STREAMS];
+ RINOK(inStreams[0]->Read(_bufs[BCJ2_NUM_STREAMS], curSize, &curSize));
+
+ // printf("Read %6d bytes\n", curSize);
+ if (curSize == 0)
+ {
+ readWasFinished = true;
+ continue;
+ }
+
+ numBytes_in_ReadBuf = curSize;
+ totalStreamRead += numBytes_in_ReadBuf;
+ enc.srcLim = _bufs[BCJ2_NUM_STREAMS] + numBytes_in_ReadBuf;
+ }
+
+ if (progress && currentInPos - prevProgress >= (1 << 20))
+ {
+ UInt64 outSize2 = currentInPos + outSizeRc + enc.bufs[BCJ2_STREAM_RC] - enc.bufs[BCJ2_STREAM_RC];
+ prevProgress = currentInPos;
+ // printf("progress %8d, %8d\n", (int)inSize2, (int)outSize2);
+ RINOK(progress->SetRatioInfo(&currentInPos, &outSize2));
+ }
+ }
+
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ {
+ RINOK(WriteStream(outStreams[i], _bufs[i], enc.bufs[i] - _bufs[i]));
+ }
+
+ // if (currentInPos != subStreamStartPos + subStreamSize) return E_FAIL;
+
+ return S_OK;
+}
+
+STDMETHODIMP CEncoder::Code(ISequentialInStream * const *inStreams, const UInt64 * const *inSizes, UInt32 numInStreams,
+ ISequentialOutStream * const *outStreams, const UInt64 * const *outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ try
+ {
+ return CodeReal(inStreams, inSizes, numInStreams, outStreams, outSizes,numOutStreams, progress);
+ }
+ catch(...) { return E_FAIL; }
+}
+
+#endif
+
+
+
+
+
+
+STDMETHODIMP CDecoder::SetInBufSize(UInt32 streamIndex, UInt32 size) { _bufsNewSizes[streamIndex] = size; return S_OK; }
+STDMETHODIMP CDecoder::SetOutBufSize(UInt32 , UInt32 size) { _bufsNewSizes[BCJ2_NUM_STREAMS] = size; return S_OK; }
+
+CDecoder::CDecoder(): _finishMode(false), _outSizeDefined(false), _outSize(0)
+{}
+
+STDMETHODIMP CDecoder::SetFinishMode(UInt32 finishMode)
+{
+ _finishMode = (finishMode != 0);
+ return S_OK;
+}
+
+void CDecoder::InitCommon()
+{
+ {
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ dec.lims[i] = dec.bufs[i] = _bufs[i];
+ }
+
+ {
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ {
+ _extraReadSizes[i] = 0;
+ _inStreamsProcessed[i] = 0;
+ _readRes[i] = S_OK;
+ }
+ }
+
+ Bcj2Dec_Init(&dec);
+}
+
+HRESULT CDecoder::Code(ISequentialInStream * const *inStreams, const UInt64 * const *inSizes, UInt32 numInStreams,
+ ISequentialOutStream * const *outStreams, const UInt64 * const *outSizes, UInt32 numOutStreams,
+ ICompressProgressInfo *progress)
+{
+ if (numInStreams != BCJ2_NUM_STREAMS || numOutStreams != 1)
+ return E_INVALIDARG;
+
+ RINOK(Alloc());
+
+ InitCommon();
+
+ dec.destLim = dec.dest = _bufs[BCJ2_NUM_STREAMS];
+
+ UInt64 outSizeProcessed = 0;
+ UInt64 prevProgress = 0;
+
+ HRESULT res = S_OK;
+
+ for (;;)
+ {
+ if (Bcj2Dec_Decode(&dec) != SZ_OK)
+ return S_FALSE;
+
+ if (dec.state < BCJ2_NUM_STREAMS)
+ {
+ size_t totalRead = _extraReadSizes[dec.state];
+ {
+ Byte *buf = _bufs[dec.state];
+ for (size_t i = 0; i < totalRead; i++)
+ buf[i] = dec.bufs[dec.state][i];
+ dec.lims[dec.state] =
+ dec.bufs[dec.state] = buf;
+ }
+
+ if (_readRes[dec.state] != S_OK)
+ {
+ res = _readRes[dec.state];
+ break;
+ }
+
+ do
+ {
+ UInt32 curSize = _bufsCurSizes[dec.state] - (UInt32)totalRead;
+ /*
+ we want to call Read even even if size is 0
+ if (inSizes && inSizes[dec.state])
+ {
+ UInt64 rem = *inSizes[dec.state] - _inStreamsProcessed[dec.state];
+ if (curSize > rem)
+ curSize = (UInt32)rem;
+ }
+ */
+
+ HRESULT res2 = inStreams[dec.state]->Read(_bufs[dec.state] + totalRead, curSize, &curSize);
+ _readRes[dec.state] = res2;
+ if (curSize == 0)
+ break;
+ _inStreamsProcessed[dec.state] += curSize;
+ totalRead += curSize;
+ if (res2 != S_OK)
+ break;
+ }
+ while (totalRead < 4 && BCJ2_IS_32BIT_STREAM(dec.state));
+
+ if (_readRes[dec.state] != S_OK)
+ res = _readRes[dec.state];
+
+ if (totalRead == 0)
+ break;
+
+ // res == S_OK;
+
+ if (BCJ2_IS_32BIT_STREAM(dec.state))
+ {
+ unsigned extraSize = ((unsigned)totalRead & 3);
+ _extraReadSizes[dec.state] = extraSize;
+ if (totalRead < 4)
+ {
+ res = (_readRes[dec.state] != S_OK) ? _readRes[dec.state] : S_FALSE;
+ break;
+ }
+ totalRead -= extraSize;
+ }
+
+ dec.lims[dec.state] = _bufs[dec.state] + totalRead;
+ }
+ else // if (dec.state <= BCJ2_STATE_ORIG)
+ {
+ size_t curSize = dec.dest - _bufs[BCJ2_NUM_STREAMS];
+ if (curSize != 0)
+ {
+ outSizeProcessed += curSize;
+ RINOK(WriteStream(outStreams[0], _bufs[BCJ2_NUM_STREAMS], curSize));
+ }
+ dec.dest = _bufs[BCJ2_NUM_STREAMS];
+ {
+ size_t rem = _bufsCurSizes[BCJ2_NUM_STREAMS];
+ if (outSizes && outSizes[0])
+ {
+ UInt64 outSize = *outSizes[0] - outSizeProcessed;
+ if (rem > outSize)
+ rem = (size_t)outSize;
+ }
+ dec.destLim = dec.dest + rem;
+ if (rem == 0)
+ break;
+ }
+ }
+
+ if (progress)
+ {
+ const UInt64 outSize2 = outSizeProcessed + (dec.dest - _bufs[BCJ2_NUM_STREAMS]);
+ if (outSize2 - prevProgress >= (1 << 22))
+ {
+ const UInt64 inSize2 = outSize2 + _inStreamsProcessed[BCJ2_STREAM_RC] - (dec.lims[BCJ2_STREAM_RC] - dec.bufs[BCJ2_STREAM_RC]);
+ RINOK(progress->SetRatioInfo(&inSize2, &outSize2));
+ prevProgress = outSize2;
+ }
+ }
+ }
+
+ size_t curSize = dec.dest - _bufs[BCJ2_NUM_STREAMS];
+ if (curSize != 0)
+ {
+ outSizeProcessed += curSize;
+ RINOK(WriteStream(outStreams[0], _bufs[BCJ2_NUM_STREAMS], curSize));
+ }
+
+ if (res != S_OK)
+ return res;
+
+ if (_finishMode)
+ {
+ if (!Bcj2Dec_IsFinished(&dec))
+ return S_FALSE;
+
+ // we still allow the cases when input streams are larger than required for decoding.
+ // so the case (dec.state == BCJ2_STATE_ORIG) is also allowed, if MAIN stream is larger than required.
+ if (dec.state != BCJ2_STREAM_MAIN &&
+ dec.state != BCJ2_DEC_STATE_ORIG)
+ return S_FALSE;
+
+ if (inSizes)
+ {
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ {
+ size_t rem = dec.lims[i] - dec.bufs[i] + _extraReadSizes[i];
+ /*
+ if (rem != 0)
+ return S_FALSE;
+ */
+ if (inSizes[i] && *inSizes[i] != _inStreamsProcessed[i] - rem)
+ return S_FALSE;
+ }
+ }
+ }
+
+ return S_OK;
+}
+
+STDMETHODIMP CDecoder::SetInStream2(UInt32 streamIndex, ISequentialInStream *inStream)
+{
+ _inStreams[streamIndex] = inStream;
+ return S_OK;
+}
+
+STDMETHODIMP CDecoder::ReleaseInStream2(UInt32 streamIndex)
+{
+ _inStreams[streamIndex].Release();
+ return S_OK;
+}
+
+STDMETHODIMP CDecoder::SetOutStreamSize(const UInt64 *outSize)
+{
+ _outSizeDefined = (outSize != NULL);
+ _outSize = 0;
+ if (_outSizeDefined)
+ _outSize = *outSize;
+
+ _outSize_Processed = 0;
+
+ HRESULT res = Alloc(false);
+
+ InitCommon();
+ dec.destLim = dec.dest = NULL;
+
+ return res;
+}
+
+
+STDMETHODIMP CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+ if (processedSize)
+ *processedSize = 0;
+
+ if (size == 0)
+ return S_OK;
+
+ UInt32 totalProcessed = 0;
+
+ if (_outSizeDefined)
+ {
+ UInt64 rem = _outSize - _outSize_Processed;
+ if (size > rem)
+ size = (UInt32)rem;
+ }
+ dec.dest = (Byte *)data;
+ dec.destLim = (const Byte *)data + size;
+
+ HRESULT res = S_OK;
+
+ for (;;)
+ {
+ SRes sres = Bcj2Dec_Decode(&dec);
+ if (sres != SZ_OK)
+ return S_FALSE;
+
+ {
+ UInt32 curSize = (UInt32)(dec.dest - (Byte *)data);
+ if (curSize != 0)
+ {
+ totalProcessed += curSize;
+ if (processedSize)
+ *processedSize = totalProcessed;
+ data = (void *)((Byte *)data + curSize);
+ size -= curSize;
+ _outSize_Processed += curSize;
+ }
+ }
+
+ if (dec.state >= BCJ2_NUM_STREAMS)
+ break;
+
+ {
+ size_t totalRead = _extraReadSizes[dec.state];
+ {
+ Byte *buf = _bufs[dec.state];
+ for (size_t i = 0; i < totalRead; i++)
+ buf[i] = dec.bufs[dec.state][i];
+ dec.lims[dec.state] =
+ dec.bufs[dec.state] = buf;
+ }
+
+ if (_readRes[dec.state] != S_OK)
+ return _readRes[dec.state];
+
+ do
+ {
+ UInt32 curSize = _bufsCurSizes[dec.state] - (UInt32)totalRead;
+ HRESULT res2 = _inStreams[dec.state]->Read(_bufs[dec.state] + totalRead, curSize, &curSize);
+ _readRes[dec.state] = res2;
+ if (curSize == 0)
+ break;
+ _inStreamsProcessed[dec.state] += curSize;
+ totalRead += curSize;
+ if (res2 != S_OK)
+ break;
+ }
+ while (totalRead < 4 && BCJ2_IS_32BIT_STREAM(dec.state));
+
+ if (totalRead == 0)
+ {
+ if (totalProcessed == 0)
+ res = _readRes[dec.state];
+ break;
+ }
+
+ if (BCJ2_IS_32BIT_STREAM(dec.state))
+ {
+ unsigned extraSize = ((unsigned)totalRead & 3);
+ _extraReadSizes[dec.state] = extraSize;
+ if (totalRead < 4)
+ {
+ if (totalProcessed != 0)
+ return S_OK;
+ return (_readRes[dec.state] != S_OK) ? _readRes[dec.state] : S_FALSE;
+ }
+ totalRead -= extraSize;
+ }
+
+ dec.lims[dec.state] = _bufs[dec.state] + totalRead;
+ }
+ }
+
+ if (_finishMode && _outSizeDefined && _outSize == _outSize_Processed)
+ {
+ if (!Bcj2Dec_IsFinished(&dec))
+ return S_FALSE;
+
+ if (dec.state != BCJ2_STREAM_MAIN &&
+ dec.state != BCJ2_DEC_STATE_ORIG)
+ return S_FALSE;
+
+ /*
+ for (int i = 0; i < BCJ2_NUM_STREAMS; i++)
+ if (dec.bufs[i] != dec.lims[i] || _extraReadSizes[i] != 0)
+ return S_FALSE;
+ */
+ }
+
+ return res;
+}
+
+
+STDMETHODIMP CDecoder::GetInStreamProcessedSize2(UInt32 streamIndex, UInt64 *value)
+{
+ const size_t rem = dec.lims[streamIndex] - dec.bufs[streamIndex] + _extraReadSizes[streamIndex];
+ *value = _inStreamsProcessed[streamIndex] - rem;
+ return S_OK;
+}
+
+}}