C++ CObjectVector::Clear方法代码示例

bool MyGetLogicalDriveStrings(CObjectVector<FString> &driveStrings)
{
  driveStrings.Clear();
  #ifndef _UNICODE
  if (!g_IsNT)
  {
    driveStrings.Clear();
    UINT32 size = GetLogicalDriveStrings(0, NULL);
    if (size == 0)
      return false;
    CObjArray<char> buf(size);
    UINT32 newSize = GetLogicalDriveStrings(size, buf);
    if (newSize == 0 || newSize > size)
      return false;
    AString s;
    UINT32 prev = 0;
    for (UINT32 i = 0; i < newSize; i++)
    {
      if (buf[i] == 0)
      {
        s = buf + prev;
        prev = i + 1;
        driveStrings.Add(fas2fs(s));
      }
    }
    return prev == newSize;
  }
  else
  #endif
  {
    UINT32 size = GetLogicalDriveStringsW(0, NULL);
    if (size == 0)
      return false;
    CObjArray<wchar_t> buf(size);
    UINT32 newSize = GetLogicalDriveStringsW(size, buf);
    if (newSize == 0 || newSize > size)
      return false;
    UString s;
    UINT32 prev = 0;
    for (UINT32 i = 0; i < newSize; i++)
    {
      if (buf[i] == 0)
      {
        s = buf + prev;
        prev = i + 1;
        driveStrings.Add(us2fs(s));
      }
    }
    return prev == newSize;
  }
}

void ReadInternalAssociations(CObjectVector<CExtInfo> &items)
{
  items.Clear();
  NSynchronization::CCriticalSectionLock lock(g_CriticalSection);
  CKey associationsKey;
  if (associationsKey.Open(HKEY_CURRENT_USER, kAssociationsPath, KEY_READ) != ERROR_SUCCESS)
    return;
  CSysStringVector extNames;
  associationsKey.EnumKeys(extNames);
  for(int i = 0; i < extNames.Size(); i++)
  {
    const CSysString extName = extNames[i];
    CExtInfo extInfo;
    // extInfo.Enabled = false;
    extInfo.Ext = GetUnicodeString(extName);
    CKey key;
    if (key.Open(associationsKey, extName, KEY_READ) != ERROR_SUCCESS)
      return;
    UString pluginsString;
    key.QueryValue(kExtPlugins, pluginsString);
    SplitString(pluginsString, extInfo.Plugins);
    /*
    if (key.QueryValue(kExtEnabled, extInfo.Enabled) != ERROR_SUCCESS)
      extInfo.Enabled = false;
    */
    items.Add(extInfo);
  }
}

 void Clear()
 {
   CID.Empty();
   parentCID.Empty();
   createType.Empty();
   Extents.Clear();
 }

void ReadPluginInfoList(CObjectVector<CPluginInfo> &plugins)
{
  plugins.Clear();

  UString baseFolderPrefix;
  GetProgramFolderPath(baseFolderPrefix);
  {
    CPluginInfo pluginInfo;
    pluginInfo.FilePath = baseFolderPrefix + L"7-zip.dll";
    if (::ReadPluginInfo(pluginInfo, false))
      plugins.Add(pluginInfo);
  }
  UString folderPath = baseFolderPrefix + L"Plugins" WSTRING_PATH_SEPARATOR;
  NFind::CEnumeratorW enumerator(folderPath + L"*");
  NFind::CFileInfoW fileInfo;
  while (enumerator.Next(fileInfo))
  {
    if (fileInfo.IsDir())
      continue;
    CPluginInfo pluginInfo;
    pluginInfo.FilePath = folderPath + fileInfo.Name;
    if (::ReadPluginInfo(pluginInfo, true))
      plugins.Add(pluginInfo);
  }
}

static bool GetTextPairs(const UString &srcString, CObjectVector<CTextPair> &pairs)
{
  pairs.Clear();
  unsigned pos = 0;
  
  if (srcString.Len() > 0)
  {
    if (srcString[0] == kBOM)
      pos++;
  }
  while (pos < srcString.Len())
  {
    unsigned finishPos;
    UString id = GetIDString((const wchar_t *)srcString + pos, finishPos);
    pos += finishPos;
    if (id.IsEmpty())
      continue;
    UString value = GetValueString((const wchar_t *)srcString + pos, finishPos);
    pos += finishPos;
    if (!id.IsEmpty())
    {
      CTextPair pair;
      pair.ID = id;
      pair.Value = value;
      pairs.Add(pair);
    }
  }
  return true;
}

bool GetTextConfig(const AString &s, CObjectVector<CTextConfigPair> &pairs)
{
  pairs.Clear();
  unsigned pos = 0;

  /////////////////////
  // read strings

  for (;;)
  {
    if (!SkipSpaces(s, pos))
      break;
    CTextConfigPair pair;
    unsigned finishPos;
    AString temp = GetIDString(((const char *)s) + pos, finishPos);
    if (!ConvertUTF8ToUnicode(temp, pair.ID))
      return false;
    if (finishPos == 0)
      return false;
    pos += finishPos;
    if (!SkipSpaces(s, pos))
      return false;
    if (s[pos] != '=')
      return false;
    pos++;
    if (!SkipSpaces(s, pos))
      return false;
    if (s[pos] != '\"')
      return false;
    pos++;
    AString message;
    for (;;)
    {
      if (pos >= s.Len())
        return false;
      char c = s[pos++];
      if (c == '\"')
        break;
      if (c == '\\')
      {
        c = s[pos++];
        switch (c)
        {
          case 'n': message += '\n'; break;
          case 't': message += '\t'; break;
          case '\\': message += '\\'; break;
          case '\"': message += '\"'; break;
          default: message += '\\'; message += c; break;
        }
      }
      else
        message += c;
    }
    if (!ConvertUTF8ToUnicode(message, pair.String))
      return false;
    pairs.Add(pair);
  }
  return true;
}

void CInArchive::ReadUnpackInfo(
    const CObjectVector<CByteBuffer> *dataVector,
    CObjectVector<CFolder> &folders)
{
  WaitAttribute(NID::kFolder);
  CNum numFolders = ReadNum();

  {
    CStreamSwitch streamSwitch;
    streamSwitch.Set(this, dataVector);
    folders.Clear();
    folders.Reserve(numFolders);
    for (CNum i = 0; i < numFolders; i++)
    {
      folders.Add(CFolder());
      GetNextFolderItem(folders.Back());
    }
  }

  WaitAttribute(NID::kCodersUnpackSize);

  CNum i;
  for (i = 0; i < numFolders; i++)
  {
    CFolder &folder = folders[i];
    CNum numOutStreams = folder.GetNumOutStreams();
    folder.UnpackSizes.Reserve(numOutStreams);
    for (CNum j = 0; j < numOutStreams; j++)
      folder.UnpackSizes.Add(ReadNumber());
  }

  for (;;)
  {
    UInt64 type = ReadID();
    if (type == NID::kEnd)
      return;
    if (type == NID::kCRC)
    {
      CBoolVector crcsDefined;
      CRecordVector<UInt32> crcs;
      ReadHashDigests(numFolders, crcsDefined, crcs);
      for (i = 0; i < numFolders; i++)
      {
        CFolder &folder = folders[i];
        folder.UnpackCRCDefined = crcsDefined[i];
        folder.UnpackCRC = crcs[i];
      }
      continue;
    }
    SkipData();
  }
}

bool CStartupInfo::ControlGetActivePanelSelectedOrCurrentItems(
    CObjectVector<PluginPanelItem> &pluginPanelItems)
{
  pluginPanelItems.Clear();
  PanelInfo panelInfo;
  if(!ControlGetActivePanelInfo(panelInfo))
    return false;
  if(panelInfo.ItemsNumber <= 0)
    throw "There are no items";
  if (panelInfo.SelectedItemsNumber == 0)
    pluginPanelItems.Add(panelInfo.PanelItems[panelInfo.CurrentItem]);
  else
    for (int i = 0; i < panelInfo.SelectedItemsNumber; i++)
      pluginPanelItems.Add(panelInfo.SelectedItems[i]);
  return true;
}

static void SplitFilesToGroups(
    const CCompressionMethodMode &method, 
    bool useFilters, bool maxFilter,
    const CObjectVector<CUpdateItem> &updateItems,
    CObjectVector<CSolidGroup> &groups)
{
  if (method.Methods.Size() != 1 || method.Binds.Size() != 0)
    useFilters = false;
  groups.Clear();
  groups.Add(CSolidGroup());
  groups.Add(CSolidGroup());
  CSolidGroup &generalGroup = groups[0];
  CSolidGroup &exeGroup = groups[1];
  generalGroup.Method = method;
  int i;
  for (i = 0; i < updateItems.Size(); i++)
  {
    const CUpdateItem &updateItem = updateItems[i];
    if (!updateItem.NewData)
      continue;
    if (!updateItem.HasStream())
      continue;
    if (useFilters)
    {
      const UString name = updateItem.Name;
      int dotPos = name.ReverseFind(L'.');
      if (dotPos >= 0)
      {
        UString ext = name.Mid(dotPos + 1);
        if (IsExeFile(ext))
        {
          exeGroup.Indices.Add(i);
          continue;
        }
      }
    }
    generalGroup.Indices.Add(i);
  }
  if (exeGroup.Indices.Size() > 0)
    if (!MakeExeMethod(method, maxFilter, exeGroup.Method))
      exeGroup.Method = method;
  for (i = 0; i < groups.Size();)
    if (groups[i].Indices.Size() == 0)
      groups.Delete(i);
    else
      i++;
}

HRESULT CInArchive::TryReadCd(CObjectVector<CItemEx> &items, UInt64 cdOffset, UInt64 cdSize, CProgressVirt *progress)
{
  items.Clear();
  RINOK(Stream->Seek(cdOffset, STREAM_SEEK_SET, &m_Position));
  if (m_Position != cdOffset)
    return S_FALSE;

  _inBuffer.Init();
  _inBufMode = true;

  while (m_Position - cdOffset < cdSize)
  {
    if (ReadUInt32() != NSignature::kCentralFileHeader)
      return S_FALSE;
    CItemEx cdItem;
    RINOK(ReadCdItem(cdItem));
    items.Add(cdItem);
    if (progress && items.Size() % 1 == 0)
      RINOK(progress->SetCompletedCD(items.Size()));
  }
  return (m_Position - cdOffset == cdSize) ? S_OK : S_FALSE;
}

static void GetSnapshot(CObjectVector<CSnapshotProcess> &items)
{
  items.Clear();

  CProcessSnapshot snapshot;
  if (!snapshot.Create())
    return;

  DEBUG_PRINT("snapshot.Create() OK");
  PROCESSENTRY32 pe;
  CSnapshotProcess item;
  memset(&pe, 0, sizeof(pe));
  pe.dwSize = sizeof(pe);
  BOOL res = snapshot.GetFirstProcess(&pe);
  while (res)
  {
    item.Id = pe.th32ProcessID;
    item.ParentId = pe.th32ParentProcessID;
    item.Name = GetUnicodeString(pe.szExeFile);
    items.Add(item);
    res = snapshot.GetNextProcess(&pe);
  }
}

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;
}

void ReadPluginInfoList(CObjectVector<CPluginInfo> &plugins)
{
  plugins.Clear();

  FString baseFolderPrefix = NDLL::GetModuleDirPrefix();
  {
    CPluginInfo pluginInfo;
    pluginInfo.FilePath = baseFolderPrefix + FTEXT("7-zip.dll");
    if (::ReadPluginInfo(pluginInfo, false))
      plugins.Add(pluginInfo);
  }
  FString folderPath = baseFolderPrefix + FTEXT("Plugins") FSTRING_PATH_SEPARATOR;
  NFind::CEnumerator enumerator(folderPath + FCHAR_ANY_MASK);
  NFind::CFileInfo fileInfo;
  while (enumerator.Next(fileInfo))
  {
    if (fileInfo.IsDir())
      continue;
    CPluginInfo pluginInfo;
    pluginInfo.FilePath = folderPath + fileInfo.Name;
    if (::ReadPluginInfo(pluginInfo, true))
      plugins.Add(pluginInfo);
  }
}

HRESULT CHashBundle::SetMethods(DECL_EXTERNAL_CODECS_LOC_VARS const UStringVector &hashMethods)
{
  UStringVector names = hashMethods;
  if (names.IsEmpty())
  {
    UString s;
    s.SetFromAscii(k_DefaultHashMethod);
    names.Add(s);
  }

  CRecordVector<CMethodId> ids;
  CObjectVector<COneMethodInfo> methods;
  
  unsigned i;
  for (i = 0; i < names.Size(); i++)
  {
    COneMethodInfo m;
    RINOK(m.ParseMethodFromString(names[i]));

    if (m.MethodName.IsEmpty())
      m.MethodName = k_DefaultHashMethod;
    
    if (m.MethodName == "*")
    {
      CRecordVector<CMethodId> tempMethods;
      GetHashMethods(EXTERNAL_CODECS_LOC_VARS tempMethods);
      methods.Clear();
      ids.Clear();
      FOR_VECTOR (t, tempMethods)
      {
        unsigned index = ids.AddToUniqueSorted(tempMethods[t]);
        if (ids.Size() != methods.Size())
          methods.Insert(index, m);
      }
      break;
    }

void CDirEnumerator::Init()
{
    Enumerators.Clear();
    Prefixes.Clear();
    Index = 0;
}