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Diffstat (limited to 'src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.cpp')
-rw-r--r--src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.cpp223
1 files changed, 0 insertions, 223 deletions
diff --git a/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.cpp b/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.cpp
deleted file mode 100644
index e83d979c3..000000000
--- a/src/libs/7zip/win/CPP/7zip/Compress/PpmdZip.cpp
+++ /dev/null
@@ -1,223 +0,0 @@
-// PpmdZip.cpp
-// 2010-03-24 : Igor Pavlov : Public domain
-
-#include "StdAfx.h"
-
-#include "../../../C/CpuArch.h"
-
-#include "../Common/StreamUtils.h"
-
-#include "PpmdZip.h"
-
-namespace NCompress {
-namespace NPpmdZip {
-
-static void *SzBigAlloc(void *, size_t size) { return BigAlloc(size); }
-static void SzBigFree(void *, void *address) { BigFree(address); }
-static ISzAlloc g_BigAlloc = { SzBigAlloc, SzBigFree };
-
-CDecoder::CDecoder(bool fullFileMode):
- _fullFileMode(fullFileMode)
-{
- _ppmd.Stream.In = &_inStream.p;
- Ppmd8_Construct(&_ppmd);
-}
-
-CDecoder::~CDecoder()
-{
- Ppmd8_Free(&_ppmd, &g_BigAlloc);
-}
-
-STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
- const UInt64 * /* inSize */, const UInt64 *outSize, ICompressProgressInfo *progress)
-{
- if (!_outStream.Alloc())
- return E_OUTOFMEMORY;
- if (!_inStream.Alloc(1 << 20))
- return E_OUTOFMEMORY;
-
- _inStream.Stream = inStream;
- _inStream.Init();
-
- {
- Byte buf[2];
- for (int i = 0; i < 2; i++)
- buf[i] = _inStream.ReadByte();
- if (_inStream.Extra)
- return S_FALSE;
-
- UInt32 val = GetUi16(buf);
- UInt32 order = (val & 0xF) + 1;
- UInt32 mem = ((val >> 4) & 0xFF) + 1;
- UInt32 restor = (val >> 12);
- if (order < 2 || restor > 2)
- return S_FALSE;
-
- #ifndef PPMD8_FREEZE_SUPPORT
- if (restor == 2)
- return E_NOTIMPL;
- #endif
-
- if (!Ppmd8_Alloc(&_ppmd, mem << 20, &g_BigAlloc))
- return E_OUTOFMEMORY;
-
- if (!Ppmd8_RangeDec_Init(&_ppmd))
- return S_FALSE;
- Ppmd8_Init(&_ppmd, order, restor);
- }
-
- bool wasFinished = false;
- UInt64 processedSize = 0;
- while (!outSize || processedSize < *outSize)
- {
- size_t size = kBufSize;
- if (outSize != NULL)
- {
- const UInt64 rem = *outSize - processedSize;
- if (size > rem)
- size = (size_t)rem;
- }
- Byte *data = _outStream.Buf;
- size_t i = 0;
- int sym = 0;
- do
- {
- sym = Ppmd8_DecodeSymbol(&_ppmd);
- if (_inStream.Extra || sym < 0)
- break;
- data[i] = (Byte)sym;
- }
- while (++i != size);
- processedSize += i;
-
- RINOK(WriteStream(outStream, _outStream.Buf, i));
-
- RINOK(_inStream.Res);
- if (_inStream.Extra)
- return S_FALSE;
-
- if (sym < 0)
- {
- if (sym != -1)
- return S_FALSE;
- wasFinished = true;
- break;
- }
- if (progress)
- {
- UInt64 inSize = _inStream.GetProcessed();
- RINOK(progress->SetRatioInfo(&inSize, &processedSize));
- }
- }
- RINOK(_inStream.Res);
- if (_fullFileMode)
- {
- if (!wasFinished)
- {
- int res = Ppmd8_DecodeSymbol(&_ppmd);
- RINOK(_inStream.Res);
- if (_inStream.Extra || res != -1)
- return S_FALSE;
- }
- if (!Ppmd8_RangeDec_IsFinishedOK(&_ppmd))
- return S_FALSE;
- }
- return S_OK;
-}
-
-
-// ---------- Encoder ----------
-
-CEncoder::~CEncoder()
-{
- Ppmd8_Free(&_ppmd, &g_BigAlloc);
-}
-
-HRESULT CEncoder::SetCoderProperties(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps)
-{
- for (UInt32 i = 0; i < numProps; i++)
- {
- const PROPVARIANT &prop = props[i];
- if (prop.vt != VT_UI4)
- return E_INVALIDARG;
- UInt32 v = (UInt32)prop.ulVal;
- switch(propIDs[i])
- {
- case NCoderPropID::kAlgorithm:
- if (v > 1)
- return E_INVALIDARG;
- _restor = v;
- break;
- case NCoderPropID::kUsedMemorySize:
- if (v < (1 << 20) || v > (1 << 28))
- return E_INVALIDARG;
- _usedMemInMB = v >> 20;
- break;
- case NCoderPropID::kOrder:
- if (v < PPMD8_MIN_ORDER || v > PPMD8_MAX_ORDER)
- return E_INVALIDARG;
- _order = (Byte)v;
- break;
- default:
- return E_INVALIDARG;
- }
- }
- return S_OK;
-}
-
-CEncoder::CEncoder():
- _usedMemInMB(16),
- _order(6),
- _restor(PPMD8_RESTORE_METHOD_RESTART)
-{
- _ppmd.Stream.Out = &_outStream.p;
- Ppmd8_Construct(&_ppmd);
-}
-
-HRESULT CEncoder::Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
- const UInt64 * /* inSize */, const UInt64 * /* outSize */, ICompressProgressInfo *progress)
-{
- if (!_inStream.Alloc())
- return E_OUTOFMEMORY;
- if (!_outStream.Alloc(1 << 20))
- return E_OUTOFMEMORY;
- if (!Ppmd8_Alloc(&_ppmd, _usedMemInMB << 20, &g_BigAlloc))
- return E_OUTOFMEMORY;
-
- _outStream.Stream = outStream;
- _outStream.Init();
-
- Ppmd8_RangeEnc_Init(&_ppmd);
- Ppmd8_Init(&_ppmd, _order, _restor);
-
- UInt32 val = (UInt32)((_order - 1) + ((_usedMemInMB - 1) << 4) + (_restor << 12));
- _outStream.WriteByte((Byte)(val & 0xFF));
- _outStream.WriteByte((Byte)(val >> 8));
- RINOK(_outStream.Res);
-
- UInt64 processed = 0;
- for (;;)
- {
- UInt32 size;
- RINOK(inStream->Read(_inStream.Buf, kBufSize, &size));
- if (size == 0)
- {
- Ppmd8_EncodeSymbol(&_ppmd, -1);
- Ppmd8_RangeEnc_FlushData(&_ppmd);
- return _outStream.Flush();
- }
- for (UInt32 i = 0; i < size; i++)
- {
- Ppmd8_EncodeSymbol(&_ppmd, _inStream.Buf[i]);
- RINOK(_outStream.Res);
- }
- processed += size;
- if (progress != NULL)
- {
- UInt64 outSize = _outStream.GetProcessed();
- RINOK(progress->SetRatioInfo(&processed, &outSize));
- }
- }
-}
-
-}}