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C++ CItemEx类代码示例

本文整理汇总了C++中CItemEx类的典型用法代码示例。如果您正苦于以下问题：C++ CItemEx类的具体用法？C++ CItemEx怎么用？C++ CItemEx使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了CItemEx类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ReadLocalItemAfterCdItemFull

HRESULT CInArchive::ReadLocalItemAfterCdItemFull(CItemEx &item)
{
  if (item.FromLocal)
    return S_OK;
  try
  {
    RINOK(ReadLocalItemAfterCdItem(item));
    if (item.HasDescriptor())
    {
      RINOK(Seek(ArcInfo.Base + item.GetDataPosition() + item.PackSize));
      if (ReadUInt32() != NSignature::kDataDescriptor)
        return S_FALSE;
      UInt32 crc = ReadUInt32();
      UInt64 packSize, unpackSize;

      /*
      if (IsZip64)
      {
        packSize = ReadUInt64();
        unpackSize = ReadUInt64();
      }
      else
      */
      {
        packSize = ReadUInt32();
        unpackSize = ReadUInt32();
      }

      if (crc != item.Crc || item.PackSize != packSize || item.Size != unpackSize)
        return S_FALSE;
    }
  }
  catch(...) { return S_FALSE; }
  return S_OK;
}
开发者ID:borneq，项目名称:bind7z，代码行数:35，代码来源:ZipIn.cpp

示例2: ReadHeaderReal

void CInArchive::ReadHeaderReal(CItemEx &item)
{
  item.Flags = m_BlockHeader.Flags;
  item.PackSize = ReadUInt32();
  item.Size = ReadUInt32();
  item.HostOS = ReadByte();
  item.FileCRC = ReadUInt32();
  item.MTime.DosTime = ReadUInt32();
  item.UnPackVersion = ReadByte();
  item.Method = ReadByte();
  int nameSize = ReadUInt16();
  item.Attrib = ReadUInt32();

  item.MTime.LowSecond = 0;
  item.MTime.SubTime[0] =
      item.MTime.SubTime[1] =
      item.MTime.SubTime[2] = 0;

  if((item.Flags & NHeader::NFile::kSize64Bits) != 0)
  {
    item.PackSize |= ((UInt64)ReadUInt32() << 32);
    item.Size |= ((UInt64)ReadUInt32() << 32);
  }

  ReadName(item, nameSize);

  if (item.HasSalt())
    for (int i = 0; i < sizeof(item.Salt); i++)
      item.Salt[i] = ReadByte();

  // some rar archives have HasExtTime flag without field.
  if (m_CurPos < m_PosLimit && item.HasExtTime())
  {
    Byte accessMask = (Byte)(ReadByte() >> 4);
    Byte b = ReadByte();
    Byte modifMask = (Byte)(b >> 4);
    Byte createMask = (Byte)(b & 0xF);
    if ((modifMask & 8) != 0)
      ReadTime(modifMask, item.MTime);
    item.CTimeDefined = ((createMask & 8) != 0);
    if (item.CTimeDefined)
    {
      item.CTime.DosTime = ReadUInt32();
      ReadTime(createMask, item.CTime);
    }
    item.ATimeDefined = ((accessMask & 8) != 0);
    if (item.ATimeDefined)
    {
      item.ATime.DosTime = ReadUInt32();
      ReadTime(accessMask, item.ATime);
    }
  }
开发者ID:anchowee，项目名称:libcodecs，代码行数:52，代码来源:RarIn.cpp

示例3: UpdateItemOldData

static HRESULT UpdateItemOldData(
    COutArchive &archive,
    CInArchive *inArchive,
    const CItemEx &itemEx,
    const CUpdateItem &ui,
    CItemOut &item,
    /* bool izZip64, */
    ICompressProgressInfo *progress,
    UInt64 &complexity)
{
  if (ui.NewProps)
  {
    if (item.HasDescriptor())
      return E_NOTIMPL;
    
    // use old name size.
    // CUpdateRange range(item.GetLocalExtraPosition(), item.LocalExtraSize + item.PackSize);
    CUpdateRange range(inArchive->GetOffsetInStream(itemEx.GetDataPosition()), itemEx.PackSize);
    
    // we keep ExternalAttrib and some another properties from old archive
    // item.ExternalAttrib = ui.Attrib;

    item.Name = ui.Name;
    item.SetUtf8(ui.IsUtf8);
    item.Time = ui.Time;
    item.Ntfs_MTime = ui.Ntfs_MTime;
    item.Ntfs_ATime = ui.Ntfs_ATime;
    item.Ntfs_CTime = ui.Ntfs_CTime;
    item.NtfsTimeIsDefined = ui.NtfsTimeIsDefined;

    item.CentralExtra.RemoveUnknownSubBlocks();
    item.LocalExtra.RemoveUnknownSubBlocks();
    item.LocalHeaderPos = archive.GetCurPos();

    archive.PrepareWriteCompressedData2(item.Name.Len(), item.Size, item.PackSize, item.LocalExtra.HasWzAes());
    archive.WriteLocalHeader(item);
    RINOK(WriteRange(inArchive->Stream, archive, range, progress));
    complexity += range.Size;
  }
  else
  {
    CUpdateRange range(inArchive->GetOffsetInStream(itemEx.LocalHeaderPos), itemEx.GetLocalFullSize());
    
    // set new header position
    item.LocalHeaderPos = archive.GetCurPos();
    
    RINOK(WriteRange(inArchive->Stream, archive, range, progress));
    complexity += range.Size;
    archive.MoveCurPos(range.Size);
  }
  return S_OK;
}
开发者ID:basinilya，项目名称:7zip，代码行数:52，代码来源:ZipUpdate.cpp

示例4: ReadName

void CInArchive::ReadName(CItemEx &item, int nameSize)
{
  item.UnicodeName.Empty();
  if (nameSize > 0)
  {
    m_NameBuffer.EnsureCapacity(nameSize + 1);
    char *buffer = (char *)m_NameBuffer;

    for (int i = 0; i < nameSize; i++)
      buffer[i] = ReadByte();

    int mainLen;
    for (mainLen = 0; mainLen < nameSize; mainLen++)
      if (buffer[mainLen] == '\0')
        break;
    buffer[mainLen] = '\0';
    item.Name = buffer;

    if(item.HasUnicodeName())
    {
      if(mainLen < nameSize)
      {
        int unicodeNameSizeMax = MyMin(nameSize, (0x400));
        _unicodeNameBuffer.EnsureCapacity(unicodeNameSizeMax + 1);
        DecodeUnicodeFileName(buffer, (const Byte *)buffer + mainLen + 1,
            nameSize - (mainLen + 1), _unicodeNameBuffer, unicodeNameSizeMax);
        item.UnicodeName = _unicodeNameBuffer;
      }
      else if (!ConvertUTF8ToUnicode(item.Name, item.UnicodeName))
        item.UnicodeName.Empty();
    }
  }
  else
    item.Name.Empty();
}
开发者ID:anchowee，项目名称:libcodecs，代码行数:35，代码来源:RarIn.cpp

示例5: while

HRESULT CInArchive::ReadLocals(
    CObjectVector<CItemEx> &items, CProgressVirt *progress)
{
  items.Clear();
  while (m_Signature == NSignature::kLocalFileHeader)
  {
    CItemEx item;
    item.LocalHeaderPos = m_Position - 4 - ArcInfo.MarkerPos;
    // we write ralative LocalHeaderPos here. Later we can correct it to real Base.
    try
    {
      ReadLocalItem(item);
      item.FromLocal = true;
      if (item.HasDescriptor())
        ReadLocalItemDescriptor(item);
      else
      {
        RINOK(IncreaseRealPosition(item.PackSize));
      }
      items.Add(item);
      m_Signature = ReadUInt32();
    }
    catch (CUnexpectEnd &)
    {
      if (items.IsEmpty() || items.Size() == 1 && IsStrangeItem(items[0]))
        return S_FALSE;
      throw;
    }
    if (progress && items.Size() % 1 == 0)
      RINOK(progress->SetCompletedLocal(items.Size(), item.LocalHeaderPos));
  }

  if (items.Size() == 1 && m_Signature != NSignature::kCentralFileHeader)
    if (IsStrangeItem(items[0]))
      return S_FALSE;
  return S_OK;
}
开发者ID:borneq，项目名称:bind7z，代码行数:37，代码来源:ZipIn.cpp

示例6: AreItemsEqual

static bool AreItemsEqual(const CItemEx &localItem, const CItemEx &cdItem)
{
  if (!FlagsAreSame(cdItem, localItem))
    return false;
  if (!localItem.HasDescriptor())
  {
    if (cdItem.Crc != localItem.Crc ||
        cdItem.PackSize != localItem.PackSize ||
        cdItem.Size != localItem.Size)
      return false;
  }
  /* pkzip 2.50 creates incorrect archives. It uses
       - WIN encoding for name in local header
       - OEM encoding for name in central header
     We don't support these strange items. */

  /* if (cdItem.Name.Len() != localItem.Name.Len())
    return false;
  */
  if (cdItem.Name != localItem.Name)
    return false;
  return true;
}
开发者ID:borneq，项目名称:bind7z，代码行数:23，代码来源:ZipIn.cpp

示例7: RINOK

HRESULT CHandler::Open2(IInStream *stream,
    const UInt64 *maxCheckStartPosition,
    IArchiveOpenCallback *openArchiveCallback)
{
  {
    CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
    CMyComPtr<ICryptoGetTextPassword> getTextPassword;
    CMyComPtr<IArchiveOpenCallback> openArchiveCallbackWrap = openArchiveCallback;
    
    CVolumeName seqName;

    UInt64 totalBytes = 0;
    UInt64 curBytes = 0;

    if (openArchiveCallback != NULL)
    {
      openArchiveCallbackWrap.QueryInterface(IID_IArchiveOpenVolumeCallback, &openVolumeCallback);
      openArchiveCallbackWrap.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
    }

    for (;;)
    {
      CMyComPtr<IInStream> inStream;
      if (!_archives.IsEmpty())
      {
        if (!openVolumeCallback)
          break;
        
        if (_archives.Size() == 1)
        {
          if (!_archiveInfo.IsVolume())
            break;
          UString baseName;
          {
            NCOM::CPropVariant prop;
            RINOK(openVolumeCallback->GetProperty(kpidName, &prop));
            if (prop.vt != VT_BSTR)
              break;
            baseName = prop.bstrVal;
          }
          seqName.InitName(baseName, _archiveInfo.HaveNewVolumeName());
        }

        UString fullName = seqName.GetNextName();
        HRESULT result = openVolumeCallback->GetStream(fullName, &inStream);
        if (result == S_FALSE)
          break;
        if (result != S_OK)
          return result;
        if (!stream)
          break;
      }
      else
        inStream = stream;

      UInt64 endPos = 0;
      if (openArchiveCallback != NULL)
      {
        RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
        RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
        totalBytes += endPos;
        RINOK(openArchiveCallback->SetTotal(NULL, &totalBytes));
      }
      
      NArchive::NRar::CInArchive archive;
      RINOK(archive.Open(inStream, maxCheckStartPosition));

      if (_archives.IsEmpty())
        archive.GetArchiveInfo(_archiveInfo);
     
      CItemEx item;
      for (;;)
      {
        bool decryptionError;
        HRESULT result = archive.GetNextItem(item, getTextPassword, decryptionError);
        if (result == S_FALSE)
        {
          if (decryptionError && _items.IsEmpty())
            return S_FALSE;
          break;
        }
        RINOK(result);
        if (item.IgnoreItem())
          continue;

        bool needAdd = true;
        if (item.IsSplitBefore())
        {
          if (!_refItems.IsEmpty())
          {
            CRefItem &refItem = _refItems.Back();
            refItem.NumItems++;
            needAdd = false;
          }
        }
        if (needAdd)
        {
          CRefItem refItem;
          refItem.ItemIndex = _items.Size();
          refItem.NumItems = 1;
//.........这里部分代码省略.........
开发者ID:urbanalloy，项目名称:threeoaks，代码行数:101，代码来源:RarHandler.cpp

示例8: UInt32

STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
    Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
{
  COM_TRY_BEGIN
  CZipDecoder myDecoder;
  bool testMode = (_aTestMode != 0);
  UInt64 totalUnPacked = 0, totalPacked = 0;
  bool allFilesMode = (numItems == UInt32(-1));
  if (allFilesMode)
    numItems = m_Items.Size();
  if(numItems == 0)
    return S_OK;
  UInt32 i;
  for(i = 0; i < numItems; i++)
  {
    const CItemEx &item = m_Items[allFilesMode ? i : indices[i]];
    totalUnPacked += item.UnPackSize;
    totalPacked += item.PackSize;
  }
  RINOK(extractCallback->SetTotal(totalUnPacked));

  UInt64 currentTotalUnPacked = 0, currentTotalPacked = 0;
  UInt64 currentItemUnPacked, currentItemPacked;
  
  CLocalProgress *lps = new CLocalProgress;
  CMyComPtr<ICompressProgressInfo> progress = lps;
  lps->Init(extractCallback, false);

  for (i = 0; i < numItems; i++, currentTotalUnPacked += currentItemUnPacked,
      currentTotalPacked += currentItemPacked)
  {
    currentItemUnPacked = 0;
    currentItemPacked = 0;

    lps->InSize = currentTotalPacked;
    lps->OutSize = currentTotalUnPacked;
    RINOK(lps->SetCur());

    CMyComPtr<ISequentialOutStream> realOutStream;
    Int32 askMode = testMode ?
        NArchive::NExtract::NAskMode::kTest :
        NArchive::NExtract::NAskMode::kExtract;
    Int32 index = allFilesMode ? i : indices[i];

    RINOK(extractCallback->GetStream(index, &realOutStream, askMode));

    CItemEx item = m_Items[index];
    if (!item.FromLocal)
    {
      HRESULT res = m_Archive.ReadLocalItemAfterCdItem(item);
      if (res == S_FALSE)
      {
        if (item.IsDir() || realOutStream || testMode)
        {
          RINOK(extractCallback->PrepareOperation(askMode));
          realOutStream.Release();
          RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
        }
        continue;
      }
      RINOK(res);
    }

    if (item.IsDir() || item.IgnoreItem())
    {
      // if (!testMode)
      {
        RINOK(extractCallback->PrepareOperation(askMode));
        realOutStream.Release();
        RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
      }
      continue;
    }

    currentItemUnPacked = item.UnPackSize;
    currentItemPacked = item.PackSize;

    if (!testMode && (!realOutStream))
      continue;

    RINOK(extractCallback->PrepareOperation(askMode));

    Int32 res;
    RINOK(myDecoder.Decode(
        EXTERNAL_CODECS_VARS
        m_Archive, item, realOutStream, extractCallback,
        progress, _numThreads, res));
    realOutStream.Release();
    
    RINOK(extractCallback->SetOperationResult(res))
  }
  return S_OK;
  COM_TRY_END
}
开发者ID:Bernieboy，项目名称:nds4ios，代码行数:94，代码来源:ZipHandler.cpp

示例9: Decode

HRESULT CZipDecoder::Decode(
    DECL_EXTERNAL_CODECS_LOC_VARS
    CInArchive &archive, const CItemEx &item,
    ISequentialOutStream *realOutStream,
    IArchiveExtractCallback *extractCallback,
    ICompressProgressInfo *compressProgress,
    UInt32 numThreads, Int32 &res)
{
  res = NArchive::NExtract::NOperationResult::kDataError;
  CInStreamReleaser inStreamReleaser;

  bool needCRC = true;
  bool wzAesMode = false;
  bool pkAesMode = false;
  UInt16 methodId = item.CompressionMethod;
  if (item.IsEncrypted())
  {
    if (item.IsStrongEncrypted())
    {
      CStrongCryptoField f;
      if (item.CentralExtra.GetStrongCryptoField(f))
      {
        pkAesMode = true;
      }
      if (!pkAesMode)
      {
        res = NArchive::NExtract::NOperationResult::kUnSupportedMethod;
        return S_OK;
      }
    }
    if (methodId == NFileHeader::NCompressionMethod::kWzAES)
    {
      CWzAesExtraField aesField;
      if (item.CentralExtra.GetWzAesField(aesField))
      {
        wzAesMode = true;
        needCRC = aesField.NeedCrc();
      }
    }
  }
    
  COutStreamWithCRC *outStreamSpec = new COutStreamWithCRC;
  CMyComPtr<ISequentialOutStream> outStream = outStreamSpec;
  outStreamSpec->SetStream(realOutStream);
  outStreamSpec->Init(needCRC);
  
  UInt64 authenticationPos;
  
  CMyComPtr<ISequentialInStream> inStream;
  {
    UInt64 packSize = item.PackSize;
    if (wzAesMode)
    {
      if (packSize < NCrypto::NWzAes::kMacSize)
        return S_OK;
      packSize -= NCrypto::NWzAes::kMacSize;
    }
    UInt64 dataPos = item.GetDataPosition();
    inStream.Attach(archive.CreateLimitedStream(dataPos, packSize));
    authenticationPos = dataPos + packSize;
  }
  
  CMyComPtr<ICompressFilter> cryptoFilter;
  if (item.IsEncrypted())
  {
    if (wzAesMode)
    {
      CWzAesExtraField aesField;
      if (!item.CentralExtra.GetWzAesField(aesField))
        return S_OK;
      methodId = aesField.Method;
      if (!_wzAesDecoder)
      {
        _wzAesDecoderSpec = new NCrypto::NWzAes::CDecoder;
        _wzAesDecoder = _wzAesDecoderSpec;
      }
      cryptoFilter = _wzAesDecoder;
      Byte properties = aesField.Strength;
      RINOK(_wzAesDecoderSpec->SetDecoderProperties2(&properties, 1));
    }
    else if (pkAesMode)
    {
      if (!_pkAesDecoder)
      {
        _pkAesDecoderSpec = new NCrypto::NZipStrong::CDecoder;
        _pkAesDecoder = _pkAesDecoderSpec;
      }
      cryptoFilter = _pkAesDecoder;
    }
    else
    {
      if (!_zipCryptoDecoder)
      {
        _zipCryptoDecoderSpec = new NCrypto::NZip::CDecoder;
        _zipCryptoDecoder = _zipCryptoDecoderSpec;
      }
      cryptoFilter = _zipCryptoDecoder;
    }
    CMyComPtr<ICryptoSetPassword> cryptoSetPassword;
    RINOK(cryptoFilter.QueryInterface(IID_ICryptoSetPassword, &cryptoSetPassword));
//.........这里部分代码省略.........
开发者ID:Bernieboy，项目名称:nds4ios，代码行数:101，代码来源:ZipHandler.cpp

示例10: kungFuGrip

STDMETHODIMP CHandler::Extract(const quint32* indices, quint32 numItems,
                               qint32 _aTestMode, IArchiveExtractCallback *extractCallback)
{
    RefPtr<IArchiveExtractCallback> kungFuGrip(extractCallback);

    CZipDecoder myDecoder;
    bool testMode = (_aTestMode != 0);
    quint64 totalUnPacked = 0, totalPacked = 0;
    bool allFilesMode = (numItems == quint32(-1));
    if (allFilesMode)
        numItems = m_Items.size();
    if (numItems == 0)
        return S_OK;
    quint32 i;
    for (i = 0; i < numItems; i++) {
        const CItemEx &item = *m_Items[allFilesMode ? i : indices[i]];
        totalUnPacked += item.UnPackSize;
        totalPacked += item.PackSize;
    }
    RINOK(extractCallback->SetTotal(totalUnPacked));

    quint64 currentTotalUnPacked = 0, currentTotalPacked = 0;
    quint64 currentItemUnPacked, currentItemPacked;

    for (i = 0; i < numItems; i++, currentTotalUnPacked += currentItemUnPacked,
        currentTotalPacked += currentItemPacked) {
        currentItemUnPacked = 0;
        currentItemPacked = 0;

        qint32 askMode = testMode ?
                         NArchive::NExtract::NAskMode::kTest :
                         NArchive::NExtract::NAskMode::kExtract;
        qint32 index = allFilesMode ? i : indices[i];

        ISequentialOutStream *prealOutStream;
        RINOK(extractCallback->GetStream(index, &prealOutStream, askMode));
        RefPtr<ISequentialOutStream> realOutStream(prealOutStream);

        CItemEx item = *m_Items[index];
        if (!item.FromLocal) {
            HRESULT res = m_Archive.ReadLocalItemAfterCdItem(item);
            if (res == S_FALSE) {
                if (item.IsDirectory() || realOutStream || testMode) {
                    RINOK(extractCallback->PrepareOperation(askMode));
                    realOutStream = 0;
                    RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
                }
                continue;
            }
            RINOK(res);
        }

        if (item.IsDirectory() || item.IgnoreItem()) {
            // if (!testMode)
            {
                RINOK(extractCallback->PrepareOperation(askMode));
                RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
            }
            continue;
        }

        currentItemUnPacked = item.UnPackSize;
        currentItemPacked = item.PackSize;

        if (!testMode && (!realOutStream))
            continue;

        RINOK(extractCallback->PrepareOperation(askMode));

        qint32 res;
        RINOK(myDecoder.Decode(
                  m_Archive, item, realOutStream, extractCallback,
                  _numThreads, res));

        RINOK(extractCallback->SetOperationResult(res))
    }
    return S_OK;
}
开发者ID:bks，项目名称:qz7，代码行数:78，代码来源:ZipHandler.cpp

示例11: Decode

HRESULT CZipDecoder::Decode(
    CInArchive &archive, const CItemEx &item,
    ISequentialOutStream *realOutStream,
    IArchiveExtractCallback *_extractCallback,
    quint32 numThreads, qint32 &res)
{
    RefPtr<IArchiveExtractCallback> extractCallback(_extractCallback);

    res = NArchive::NExtract::NOperationResult::kDataError;
    CInStreamReleaser inStreamReleaser;

    bool needCRC = true;
    bool aesMode = false;
#ifdef ZIP_STRONG_SUPORT
    bool pkAesMode = false;
#endif
    quint16 methodId = item.CompressionMethod;
    if (item.IsEncrypted()) {
        if (item.IsStrongEncrypted()) {
#ifdef ZIP_STRONG_SUPORT
            CStrongCryptoField f;
            if (item.CentralExtra.GetStrongCryptoField(f)) {
                pkAesMode = true;
            }
            if (!pkAesMode)
#endif
            {
                res = NArchive::NExtract::NOperationResult::kUnSupportedMethod;
                return S_OK;
            }
        }
        if (methodId == NFileHeader::NCompressionMethod::kWzAES) {
            CWzAesExtraField aesField;
            if (item.CentralExtra.GetWzAesField(aesField)) {
                aesMode = true;
                needCRC = aesField.NeedCrc();
            }
        }
    }

    COutStreamWithCRC *outStreamSpec = new COutStreamWithCRC;
    RefPtr<ISequentialOutStream> outStream = outStreamSpec;
    outStreamSpec->SetStream(realOutStream);
    outStreamSpec->Init(needCRC);

    quint64 authenticationPos;

    RefPtr<ISequentialInStream> inStream;
    {
        quint64 packSize = item.PackSize;
        if (aesMode) {
            if (packSize < NCrypto::NWzAES::kMacSize)
                return S_OK;
            packSize -= NCrypto::NWzAES::kMacSize;
        }
        quint64 dataPos = item.GetDataPosition();
        inStream = archive.CreateLimitedStream(dataPos, packSize);
        authenticationPos = dataPos + packSize;
    }

    RefPtr<ICompressFilter> cryptoFilter;
    if (item.IsEncrypted()) {
        if (aesMode) {
            CWzAesExtraField aesField;
            if (!item.CentralExtra.GetWzAesField(aesField))
                return S_OK;
            methodId = aesField.Method;
            if (!_aesDecoder) {
                _aesDecoderSpec = new NCrypto::NWzAES::CDecoder;
                _aesDecoder = _aesDecoderSpec;
            }
            cryptoFilter = _aesDecoder;
            quint8 properties = aesField.Strength;
            RINOK(_aesDecoderSpec->SetDecoderProperties2(&properties, 1));
        }
#ifdef ZIP_STRONG_SUPORT
        else if (pkAesMode) {
            if (!_zsDecoder) {
                _zsDecoderSpec = new NCrypto::NZipStrong::CDecoder;
                _zsDecoder = _zsDecoderSpec;
            }
            cryptoFilter = _zsDecoder;
        }
#endif
        else {
            if (!_zipCryptoDecoder) {
                _zipCryptoDecoderSpec = new NCrypto::NZip::CDecoder;
                _zipCryptoDecoder = _zipCryptoDecoderSpec;
            }
            cryptoFilter = _zipCryptoDecoder;
        }
        RefPtr<ICryptoSetPassword> cryptoSetPassword;
        RINOK(cryptoFilter.QueryInterface(&cryptoSetPassword));

        if (!getTextPassword)
            extractCallback.QueryInterface(&getTextPassword);

        if (getTextPassword) {
            QString password;
            RINOK(getTextPassword->CryptoGetTextPassword(&password));
//.........这里部分代码省略.........
开发者ID:bks，项目名称:qz7，代码行数:101，代码来源:ZipHandler.cpp

示例12: RINOK

HRESULT CHandler::Open2(IInStream *stream, IArchiveOpenCallback *callback)
{
  UInt64 endPos = 0;
  {
    RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
    RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
  }
  
  _phySizeDefined = true;
  for (;;)
  {
    CItemEx item;
    bool filled;
    RINOK(ReadItem2(stream, filled, item));
    if (!filled)
      break;
    _items.Add(item);
    
    RINOK(stream->Seek(item.GetPackSizeAligned(), STREAM_SEEK_CUR, &_phySize));
    if (_phySize > endPos)
    {
      _errorMessage = kUnexpectedEnd;
      break;
    }
    /*
    if (_phySize == endPos)
    {
      _errorMessage = "There are no trailing zero-filled records";
      break;
    }
    */
    if (callback != NULL)
    {
      if (_items.Size() == 1)
      {
        RINOK(callback->SetTotal(NULL, &endPos));
      }
      if (_items.Size() % 100 == 0)
      {
        UInt64 numFiles = _items.Size();
        RINOK(callback->SetCompleted(&numFiles, &_phySize));
      }
    }
  }

  if (_items.Size() == 0)
  {
    CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
    if (!callback)
      return S_FALSE;
    callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
    if (!openVolumeCallback)
      return S_FALSE;
    NCOM::CPropVariant prop;
    if (openVolumeCallback->GetProperty(kpidName, &prop) != S_OK)
      return S_FALSE;
    if (prop.vt != VT_BSTR)
      return S_FALSE;
    UString baseName = prop.bstrVal;
    baseName = baseName.Right(4);
    if (baseName.CompareNoCase(L".tar") != 0)
      return S_FALSE;
  }
  return S_OK;
}
开发者ID:walrus8u，项目名称:extract，代码行数:65，代码来源:TarHandler.cpp

示例13: GetNextItem

HRESULT CInArchive::GetNextItem(bool &filled, CItemEx &item)
{
  filled = false;

  UInt32 processedSize;
  Byte startHeader[2];
  RINOK(ReadBytes(startHeader, 2, processedSize))
  if (processedSize == 0)
    return S_OK;
  if (processedSize == 1)
    return (startHeader[0] == 0) ? S_OK: S_FALSE;
  if (startHeader[0] == 0 && startHeader[1] == 0)
    return S_OK;

  Byte header[256];
  const UInt32 kBasicPartSize = 22;
  RINOK(ReadBytes(header, kBasicPartSize, processedSize));
  if (processedSize != kBasicPartSize)
    return (startHeader[0] == 0) ? S_OK: S_FALSE;

  const Byte *p = header;
  memmove(item.Method, p, kMethodIdSize);
  if (!item.IsValidMethod())
    return S_OK;
  p += kMethodIdSize;
  p = ReadUInt32(p, item.PackSize);
  p = ReadUInt32(p, item.Size);
  p = ReadUInt32(p, item.ModifiedTime);
  item.Attributes = *p++;
  item.Level = *p++;
  if (item.Level > 2)
    return S_FALSE;
  UInt32 headerSize;
  if (item.Level < 2)
  {
    headerSize = startHeader[0];
    if (headerSize < kBasicPartSize)
      return S_FALSE;
    UInt32 remain = headerSize - kBasicPartSize;
    RINOK(CheckReadBytes(header + kBasicPartSize, remain));
    if (startHeader[1] != CalcSum(header, headerSize))
      return S_FALSE;
    size_t nameLength = *p++;
    if ((p - header) + nameLength + 2 > headerSize)
      return S_FALSE;
    p = ReadString(p, nameLength, item.Name);
  }
  else
   headerSize = startHeader[0] | ((UInt32)startHeader[1] << 8);
  p = ReadUInt16(p, item.CRC);
  if (item.Level != 0)
  {
    if (item.Level == 2)
    {
      RINOK(CheckReadBytes(header + kBasicPartSize, 2));
    }
    if ((size_t)(p - header) + 3 > headerSize)
      return S_FALSE;
    item.OsId = *p++;
    UInt16 nextSize;
    p = ReadUInt16(p, nextSize);
    while (nextSize != 0)
    {
      if (nextSize < 3)
        return S_FALSE;
      if (item.Level == 1)
      {
        if (item.PackSize < nextSize)
          return S_FALSE;
        item.PackSize -= nextSize;
      }
      CExtension ext;
      RINOK(CheckReadBytes(&ext.Type, 1))
      nextSize -= 3;
      ext.Data.SetCapacity(nextSize);
      RINOK(CheckReadBytes((Byte *)ext.Data, nextSize))
      item.Extensions.Add(ext);
      Byte hdr2[2];
      RINOK(CheckReadBytes(hdr2, 2));
      ReadUInt16(hdr2, nextSize);
    }
  }
  item.DataPosition = m_Position;
  filled = true;
  return S_OK;
}
开发者ID:AlcatrazTr，项目名称:vba-rerecording，代码行数:86，代码来源:LzhIn.cpp

示例14: UpdateItemOldData

static HRESULT UpdateItemOldData(
    COutArchive &archive,
    CInArchive *inArchive,
    const CItemEx &itemEx,
    const CUpdateItem &ui,
    CItemOut &item,
    /* bool izZip64, */
    ICompressProgressInfo *progress,
    IArchiveUpdateCallbackFile *opCallback,
    UInt64 &complexity)
{
  if (opCallback)
  {
    RINOK(opCallback->ReportOperation(
        NEventIndexType::kInArcIndex, (UInt32)ui.IndexInArc,
        NUpdateNotifyOp::kReplicate))
  }

  if (ui.NewProps)
  {
    if (item.HasDescriptor())
      return E_NOTIMPL;
    
    // use old name size.
    
    CMyComPtr<ISequentialInStream> packStream;
    RINOK(inArchive->GetItemStream(itemEx, true, packStream));
    if (!packStream)
      return E_NOTIMPL;

    // we keep ExternalAttrib and some another properties from old archive
    // item.ExternalAttrib = ui.Attrib;

    item.Name = ui.Name;
    item.SetUtf8(ui.IsUtf8);
    item.Time = ui.Time;
    item.Ntfs_MTime = ui.Ntfs_MTime;
    item.Ntfs_ATime = ui.Ntfs_ATime;
    item.Ntfs_CTime = ui.Ntfs_CTime;
    item.NtfsTimeIsDefined = ui.NtfsTimeIsDefined;

    item.CentralExtra.RemoveUnknownSubBlocks();
    item.LocalExtra.RemoveUnknownSubBlocks();
    item.LocalHeaderPos = archive.GetCurPos();

    archive.PrepareWriteCompressedData2(item.Name.Len(), item.Size, item.PackSize, item.LocalExtra.HasWzAes());
    archive.WriteLocalHeader(item);

    RINOK(CopyBlockToArchive(packStream, itemEx.PackSize, archive, progress));

    complexity += itemEx.PackSize;
  }
  else
  {
    CMyComPtr<ISequentialInStream> packStream;
    RINOK(inArchive->GetItemStream(itemEx, false, packStream));
    if (!packStream)
      return E_NOTIMPL;
    
    // set new header position
    item.LocalHeaderPos = archive.GetCurPos();
    
    const UInt64 rangeSize = itemEx.GetLocalFullSize();
    
    RINOK(CopyBlockToArchive(packStream, rangeSize, archive, progress));

    complexity += rangeSize;
    archive.MoveCurPos(rangeSize);
  }

  return S_OK;
}
开发者ID:endlessm，项目名称:rufus，代码行数:72，代码来源:ZipUpdate.cpp

示例15: RINOK

HRESULT CHandler::Open2(IInStream *stream, IArchiveOpenCallback *callback)
{
  UInt64 endPos = 0;
  {
    RINOK(stream->Seek(0, STREAM_SEEK_END, &endPos));
    RINOK(stream->Seek(0, STREAM_SEEK_SET, NULL));
  }
  
  _phySizeDefined = true;
  
  bool utf8_OK = true;
  if (!_forceCodePage)
  {
    if (!utf8_OK)
      _curCodePage = k_DefaultCodePage;
  }

  for (;;)
  {
    CItemEx item;
    bool filled;
    RINOK(ReadItem2(stream, filled, item));
    if (!filled)
      break;

    _isArc = true;
    _items.Add(item);

    if (!_forceCodePage)
    {
      if (utf8_OK) utf8_OK = CheckUTF8(item.Name, item.NameCouldBeReduced);
      if (utf8_OK) utf8_OK = CheckUTF8(item.LinkName, item.LinkNameCouldBeReduced);
      if (utf8_OK) utf8_OK = CheckUTF8(item.User);
      if (utf8_OK) utf8_OK = CheckUTF8(item.Group);
    }
    
    RINOK(stream->Seek(item.GetPackSizeAligned(), STREAM_SEEK_CUR, &_phySize));
    if (_phySize > endPos)
    {
      _error = k_ErrorType_UnexpectedEnd;
      break;
    }
    /*
    if (_phySize == endPos)
    {
      _errorMessage = "There are no trailing zero-filled records";
      break;
    }
    */
    if (callback)
    {
      if (_items.Size() == 1)
      {
        RINOK(callback->SetTotal(NULL, &endPos));
      }
      if ((_items.Size() & 0x3FF) == 0)
      {
        UInt64 numFiles = _items.Size();
        RINOK(callback->SetCompleted(&numFiles, &_phySize));
      }
    }
  }

  if (!_forceCodePage)
  {
    if (!utf8_OK)
      _curCodePage = k_DefaultCodePage;
  }
  _openCodePage = _curCodePage;

  if (_items.Size() == 0)
  {
    if (_error != k_ErrorType_OK)
    {
      _isArc = false;
      return S_FALSE;
    }
    CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
    if (!callback)
      return S_FALSE;
    callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
    if (!openVolumeCallback)
      return S_FALSE;
    NCOM::CPropVariant prop;
    if (openVolumeCallback->GetProperty(kpidName, &prop) != S_OK)
      return S_FALSE;
    if (prop.vt != VT_BSTR)
      return S_FALSE;
    unsigned len = MyStringLen(prop.bstrVal);
    if (len < 4 || MyStringCompareNoCase(prop.bstrVal + len - 4, L".tar") != 0)
      return S_FALSE;
  }

  _isArc = true;
  return S_OK;
}
开发者ID:670232921，项目名称:pfm_archive，代码行数:96，代码来源:TarHandler.cpp


注：本文中的CItemEx类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。