/// <summary>
/// Retrieves all information about the archive.
/// </summary>
/// <exception cref="SevenZip.SevenZipArchiveException"/>
private void GetArchiveInfo(bool disposeStream)
{
if (_archive == null)
{
if (!ThrowException(null, new SevenZipArchiveException()))
{
return;
}
}
else
{
IInStream archiveStream;
using ((archiveStream = GetArchiveStream(disposeStream)) as IDisposable)
{
var openCallback = GetArchiveOpenCallback();
if (!_opened)
{
if (!OpenArchive(archiveStream, openCallback))
{
return;
}
_opened = !disposeStream;
}
_filesCount = _archive.GetNumberOfItems();
_archiveFileData = new List<ArchiveFileInfo>((int)_filesCount);
if (_filesCount != 0)
{
var data = new PropVariant();
try
{
#region Getting archive items data
for (uint i = 0; i < _filesCount; i++)
{
try
{
var fileInfo = new ArchiveFileInfo { Index = (int)i };
_archive.GetProperty(i, ItemPropId.Path, ref data);
fileInfo.FileName = NativeMethods.SafeCast(data, "[no name]");
_archive.GetProperty(i, ItemPropId.LastWriteTime, ref data);
fileInfo.LastWriteTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.CreationTime, ref data);
fileInfo.CreationTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.LastAccessTime, ref data);
fileInfo.LastAccessTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.Size, ref data);
fileInfo.Size = NativeMethods.SafeCast<ulong>(data, 0);
if (fileInfo.Size == 0)
{
fileInfo.Size = NativeMethods.SafeCast<uint>(data, 0);
}
_archive.GetProperty(i, ItemPropId.Attributes, ref data);
fileInfo.Attributes = NativeMethods.SafeCast<uint>(data, 0);
_archive.GetProperty(i, ItemPropId.IsDirectory, ref data);
fileInfo.IsDirectory = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Encrypted, ref data);
fileInfo.Encrypted = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Crc, ref data);
fileInfo.Crc = NativeMethods.SafeCast<uint>(data, 0);
_archive.GetProperty(i, ItemPropId.Comment, ref data);
fileInfo.Comment = NativeMethods.SafeCast(data, "");
_archiveFileData.Add(fileInfo);
}
catch (InvalidCastException)
{
ThrowException(null, new SevenZipArchiveException("probably archive is corrupted."));
}
}
#endregion
#region Getting archive properties
uint numProps = _archive.GetNumberOfArchiveProperties();
var archProps = new List<ArchiveProperty>((int)numProps);
for (uint i = 0; i < numProps; i++)
{
string propName;
ItemPropId propId;
ushort varType;
_archive.GetArchivePropertyInfo(i, out propName, out propId, out varType);
_archive.GetArchiveProperty(propId, ref data);
if (propId == ItemPropId.Solid)
{
_isSolid = NativeMethods.SafeCast(data, true);
}
// TODO Add more archive properties
if (PropIdToName.PropIdNames.ContainsKey(propId))
{
archProps.Add(new ArchiveProperty
{
Name = PropIdToName.PropIdNames[propId],
Value = data.Object
});
}
else
{
Debug.WriteLine(
"An unknown archive property encountered (code " +
((int)propId).ToString(CultureInfo.InvariantCulture) + ')');
}
}
_archiveProperties = new ReadOnlyCollection<ArchiveProperty>(archProps);
if (!_isSolid.HasValue && _format == InArchiveFormat.Zip)
{
_isSolid = false;
}
if (!_isSolid.HasValue)
{
_isSolid = true;
}
#endregion
}
catch (Exception)
{
if (openCallback.ThrowException())
{
throw;
}
}
}
}
if (disposeStream)
{
_archive.Close();
_archiveStream = null;
}
_archiveFileInfoCollection = new ReadOnlyCollection<ArchiveFileInfo>(_archiveFileData);
}
}
public int GetProperty(ItemPropId propId, ref PropVariant value)
{
switch (propId)
{
case ItemPropId.Name:
value.VarType = VarEnum.VT_BSTR;
value.Value = Marshal.StringToBSTR(_fileInfo.FullName);
break;
case ItemPropId.IsDirectory:
value.VarType = VarEnum.VT_BOOL;
value.UInt64Value = (byte) (_fileInfo.Attributes & FileAttributes.Directory);
break;
case ItemPropId.Size:
value.VarType = VarEnum.VT_UI8;
value.UInt64Value = (UInt64) _fileInfo.Length;
break;
case ItemPropId.Attributes:
value.VarType = VarEnum.VT_UI4;
value.UInt32Value = (uint) _fileInfo.Attributes;
break;
case ItemPropId.CreationTime:
value.VarType = VarEnum.VT_FILETIME;
value.Int64Value = _fileInfo.CreationTime.ToFileTime();
break;
case ItemPropId.LastAccessTime:
value.VarType = VarEnum.VT_FILETIME;
value.Int64Value = _fileInfo.LastAccessTime.ToFileTime();
break;
case ItemPropId.LastWriteTime:
value.VarType = VarEnum.VT_FILETIME;
value.Int64Value = _fileInfo.LastWriteTime.ToFileTime();
break;
}
return 0;
}
/// <summary>
/// Determines whether the specified PropVariant is equal to the current PropVariant.
/// </summary>
/// <param name="afi">The PropVariant to compare with the current PropVariant.</param>
/// <returns>true if the specified PropVariant is equal to the current PropVariant; otherwise, false.</returns>
private bool Equals(PropVariant afi){
if (afi.VarType != VarType)
return false;
if (VarType != VarEnum.VT_BSTR)
return afi.Int64Value == Int64Value;
return afi.Value == Value;
}
/// <summary>
/// Sets the compression properties
/// </summary>
private void SetCompressionProperties()
{
switch (_archiveFormat)
{
case OutArchiveFormat.Tar:
break;
default:
ISetProperties setter = CompressionMode == CompressionMode.Create && _updateData.FileNamesToModify == null
? (ISetProperties)SevenZipLibraryManager.OutArchive(
_archiveFormat, this)
: (ISetProperties)SevenZipLibraryManager.InArchive(
Formats.InForOutFormats[_archiveFormat], this);
if (setter == null)
{
if (!ThrowException(null,
new CompressionFailedException(
"The specified archive format is unsupported.")))
{
return;
}
}
if (_volumeSize > 0 && ArchiveFormat != OutArchiveFormat.SevenZip)
{
throw new CompressionFailedException("Unfortunately, the creation of multivolume non-7Zip archives is not implemented. It will be one day, though.");
}
if (CustomParameters.ContainsKey("x") || CustomParameters.ContainsKey("m"))
{
if (
!ThrowException(null,
new CompressionFailedException(
"The specified compression parameters are invalid.")))
{
return;
}
}
var names = new List<IntPtr>(2 + CustomParameters.Count);
var values = new List<PropVariant>(2 + CustomParameters.Count);
#if !WINCE
var sp = new SecurityPermission(SecurityPermissionFlag.UnmanagedCode);
sp.Demand();
#endif
#region Initialize compression properties
if (_compressionMethod == CompressionMethod.Default)
{
names.Add(Marshal.StringToBSTR("x"));
values.Add(new PropVariant());
foreach (var pair in CustomParameters)
{
names.Add(Marshal.StringToBSTR(pair.Key));
var pv = new PropVariant();
if (pair.Key == "fb" || pair.Key == "pass" || pair.Key == "d")
{
pv.VarType = VarEnum.VT_UI4;
pv.UInt32Value = Convert.ToUInt32(pair.Value, CultureInfo.InvariantCulture);
}
else
{
pv.VarType = VarEnum.VT_BSTR;
pv.Value = Marshal.StringToBSTR(pair.Value);
}
values.Add(pv);
}
}
else
{
names.Add(Marshal.StringToBSTR("x"));
names.Add(_archiveFormat == OutArchiveFormat.Zip
? Marshal.StringToBSTR("m")
: Marshal.StringToBSTR("0"));
values.Add(new PropVariant());
var pv = new PropVariant
{
VarType = VarEnum.VT_BSTR,
Value = Marshal.StringToBSTR(Formats.MethodNames[_compressionMethod])
};
values.Add(pv);
foreach (var pair in CustomParameters)
{
names.Add(Marshal.StringToBSTR(pair.Key));
pv = new PropVariant();
if (pair.Key == "fb" || pair.Key == "pass" || pair.Key == "d")
{
pv.VarType = VarEnum.VT_UI4;
pv.UInt32Value = Convert.ToUInt32(pair.Value, CultureInfo.InvariantCulture);
}
else
{
pv.VarType = VarEnum.VT_BSTR;
pv.Value = Marshal.StringToBSTR(pair.Value);
}
values.Add(pv);
}
}
#endregion
#region Set compression level
PropVariant clpv = values[0];
clpv.VarType = VarEnum.VT_UI4;
switch (CompressionLevel)
{
case CompressionLevel.None:
clpv.UInt32Value = 0;
break;
case CompressionLevel.Fast:
clpv.UInt32Value = 1;
break;
case CompressionLevel.Low:
clpv.UInt32Value = 3;
break;
case CompressionLevel.Normal:
clpv.UInt32Value = 5;
break;
case CompressionLevel.High:
clpv.UInt32Value = 7;
break;
case CompressionLevel.Ultra:
clpv.UInt32Value = 9;
break;
}
values[0] = clpv;
#endregion
#region Encrypt headers
if (EncryptHeaders && _archiveFormat == OutArchiveFormat.SevenZip &&
!SwitchIsInCustomParameters("he"))
{
names.Add(Marshal.StringToBSTR("he"));
var tmp = new PropVariant { VarType = VarEnum.VT_BSTR, Value = Marshal.StringToBSTR("on") };
values.Add(tmp);
}
#endregion
#region Zip Encryption
if (_archiveFormat == OutArchiveFormat.Zip && ZipEncryptionMethod != ZipEncryptionMethod.ZipCrypto &&
!SwitchIsInCustomParameters("em"))
{
names.Add(Marshal.StringToBSTR("em"));
var tmp = new PropVariant
{
VarType = VarEnum.VT_BSTR,
Value = Marshal.StringToBSTR(
#if !WINCE
Enum.GetName(typeof(ZipEncryptionMethod), ZipEncryptionMethod))
#else
OpenNETCF.Enum2.GetName(typeof (ZipEncryptionMethod), ZipEncryptionMethod))
#endif
};
values.Add(tmp);
}
#endregion
var namesHandle = GCHandle.Alloc(names.ToArray(), GCHandleType.Pinned);
var valuesHandle = GCHandle.Alloc(values.ToArray(), GCHandleType.Pinned);
try
{
if (setter != null) //ReSharper
setter.SetProperties(namesHandle.AddrOfPinnedObject(), valuesHandle.AddrOfPinnedObject(),
names.Count);
}
finally
{
namesHandle.Free();
valuesHandle.Free();
}
break;
}
}
public int GetProperty(uint index, ItemPropId propID, ref PropVariant value)
{
index -= _indexOffset;
try
{
switch (propID)
{
case ItemPropId.IsAnti:
value.VarType = VarEnum.VT_BOOL;
value.UInt64Value = 0;
break;
case ItemPropId.Path:
#region Path
value.VarType = VarEnum.VT_BSTR;
string val = DefaultItemName;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_entries != null)
{
val = _entries[index];
}
}
else
{
if (_directoryStructure)
{
if (_rootLength > 0)
{
val = _files[index].FullName.Substring(_rootLength);
}
else
{
val = _files[index].FullName[0] + _files[index].FullName.Substring(2);
}
}
else
{
val = _files[index].Name;
}
}
}
else
{
val = _updateData.FileNamesToModify[(int) index];
}
value.Value = Marshal.StringToBSTR(val);
#endregion
break;
case ItemPropId.IsDirectory:
value.VarType = VarEnum.VT_BOOL;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
value.UInt64Value = 0;
}
else
{
value.UInt64Value = (ulong)(_streams[index] == null ? 1 : 0);
}
}
else
{
value.UInt64Value = (byte)(_files[index].Attributes & FileAttributes.Directory);
}
}
else
{
value.UInt64Value = Convert.ToUInt64(_updateData.ArchiveFileData[(int) index].IsDirectory);
}
break;
case ItemPropId.Size:
#region Size
//zero 11-oct-2014 - this doesnt matter, we think it's only used for updating the progress indicator
value.VarType = VarEnum.VT_UI8;
//value.UInt64Value = unchecked((ulong)-1);
break;
value.VarType = VarEnum.VT_UI8;
UInt64 size;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
size = _bytesCount > 0 ? (ulong) _bytesCount : 0;
}
else
{
size = (ulong) (_streams[index] == null? 0 : _streams[index].Length);
}
}
else
{
size = (_files[index].Attributes & FileAttributes.Directory) == 0
? (ulong) _files[index].Length
: 0;
}
}
else
{
size = _updateData.ArchiveFileData[(int) index].Size;
}
value.UInt64Value = size;
#endregion
break;
case ItemPropId.Attributes:
value.VarType = VarEnum.VT_UI4;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
value.UInt32Value = (uint)FileAttributes.Normal;
}
else
{
value.UInt32Value = (uint)(_streams[index] == null ? FileAttributes.Directory : FileAttributes.Normal);
}
}
else
{
value.UInt32Value = (uint) _files[index].Attributes;
}
}
else
{
value.UInt32Value = _updateData.ArchiveFileData[(int) index].Attributes;
}
break;
#region Times
case ItemPropId.CreationTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].CreationTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int) index].CreationTime.ToFileTime();
}
break;
case ItemPropId.LastAccessTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].LastAccessTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int) index].LastAccessTime.ToFileTime();
}
break;
case ItemPropId.LastWriteTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].LastWriteTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int) index].LastWriteTime.ToFileTime();
}
break;
#endregion
case ItemPropId.Extension:
#region Extension
value.VarType = VarEnum.VT_BSTR;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
try
{
val = _files != null
? _files[index].Extension.Substring(1)
: _entries == null
? ""
: Path.GetExtension(_entries[index]);
value.Value = Marshal.StringToBSTR(val);
}
catch (ArgumentException)
{
value.Value = Marshal.StringToBSTR("");
}
}
else
{
val = Path.GetExtension(_updateData.ArchiveFileData[(int) index].FileName);
value.Value = Marshal.StringToBSTR(val);
}
#endregion
break;
}
}
catch (Exception e)
{
AddException(e);
}
return 0;
}
/// <summary>
/// Sets output stream for writing unpacked data
/// </summary>
/// <param name="index">Current file index</param>
/// <param name="outStream">Output stream pointer</param>
/// <param name="askExtractMode">Extraction mode</param>
/// <returns>0 if OK</returns>
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
outStream = null;
if (Canceled)
{
return(-1);
}
_currentIndex = (int)index;
if (askExtractMode == AskMode.Extract)
{
var fileName = _directory;
if (!_fileIndex.HasValue)
{
#region Extraction to a file
if (_actualIndexes == null || _actualIndexes.Contains(index))
{
var data = new PropVariant();
_archive.GetProperty(index, ItemPropId.Path, ref data);
string entryName = NativeMethods.SafeCast(data, "");
#region Get entryName
if (String.IsNullOrEmpty(entryName))
{
if (_filesCount == 1)
{
var archName = Path.GetFileName(_extractor.FileName);
archName = archName.Substring(0, archName.LastIndexOf('.'));
if (!archName.EndsWith(".tar", StringComparison.OrdinalIgnoreCase))
{
archName += ".tar";
}
entryName = archName;
}
else
{
entryName = "[no name] " + index.ToString(CultureInfo.InvariantCulture);
}
}
#endregion
//ExtractionPath - TODO: Allow customization of where file is output to.
if (outputFilenameMapping != null)
{
fileName = outputFilenameMapping.Invoke(_extractor.ArchiveFileData.FirstOrDefault(x => x.Index == index));
}
else
{
fileName = Path.Combine(_directory, _directoryStructure ? entryName : Path.GetFileName(entryName));
}
_archive.GetProperty(index, ItemPropId.IsDirectory, ref data);
try
{
fileName = ValidateFileName(fileName);
}
catch (Exception e)
{
AddException(e);
goto FileExtractionStartedLabel;
}
if (!NativeMethods.SafeCast(data, false))
{
#region Branch
_archive.GetProperty(index, ItemPropId.LastWriteTime, ref data);
var time = NativeMethods.SafeCast(data, DateTime.MinValue);
if (File.Exists(fileName))
{
var fnea = new FileOverwriteEventArgs(fileName);
OnFileExists(fnea);
if (fnea.Cancel)
{
Canceled = true;
return(-1);
}
if (String.IsNullOrEmpty(fnea.FileName))
{
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
fileName = fnea.FileName;
}
try
{
if (File.Exists(fileName))
{
//Ensure existing file is not read only
FileAttributes attributes = File.GetAttributes(fileName);
if ((attributes & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
// Make the file RW
attributes = attributes & ~FileAttributes.ReadOnly;
File.SetAttributes(fileName, attributes);
}
}
_fileStream = new OutStreamWrapper(File.Create(fileName), fileName, time, true);
}
catch (Exception e)
{
if (e is FileNotFoundException)
{
AddException(
new IOException("The file \"" + fileName +
"\" was not extracted due to the File.Create fail."));
}
else
{
AddException(e);
}
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
_fileStream.BytesWritten += IntEventArgsHandler;
outStream = _fileStream;
#endregion
}
else
{
#region Branch
if (!Directory.Exists(fileName))
{
try
{
Directory.CreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
}
outStream = _fakeStream;
}
#endregion
}
}
else
{
outStream = _fakeStream;
}
#endregion
}
else
{
#region Extraction to a stream
if (index == _fileIndex)
{
outStream = _fileStream;
_fileIndex = null;
}
else
{
outStream = _fakeStream;
}
#endregion
}
FileExtractionStartedLabel:
_doneRate += 1.0f / _filesCount;
var iea = new FileInfoEventArgs(
_extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(_doneRate));
OnFileExtractionStarted(iea);
if (iea.Cancel)
{
if (!String.IsNullOrEmpty(fileName))
{
_fileStream.Dispose();
if (File.Exists(fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception e)
{
AddException(e);
}
}
}
Canceled = true;
return(-1);
}
}
return(0);
}
public int GetProperty(uint index, ItemPropId propID, ref PropVariant value)
{
index -= _indexOffset;
try
{
switch (propID)
{
case ItemPropId.IsAnti:
value.VarType = VarEnum.VT_BOOL;
value.UInt64Value = 0;
break;
case ItemPropId.Path:
#region Path
value.VarType = VarEnum.VT_BSTR;
string val = DefaultItemName;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_entries != null)
{
val = _entries[index];
}
}
else
{
if (_directoryStructure)
{
if (_rootLength > 0)
{
val = _files[index].FullName.Substring(_rootLength);
}
else
{
val = _files[index].FullName[0] + _files[index].FullName.Substring(2);
}
}
else
{
val = _files[index].Name;
}
}
}
else
{
val = _updateData.FileNamesToModify[(int)index];
}
value.Value = Marshal.StringToBSTR(val);
#endregion
break;
case ItemPropId.IsDirectory:
value.VarType = VarEnum.VT_BOOL;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
value.UInt64Value = 0;
}
else
{
value.UInt64Value = (ulong)(_streams[index] == null ? 1 : 0);
}
}
else
{
value.UInt64Value = (byte)(_files[index].Attributes & FileAttributes.Directory);
}
}
else
{
value.UInt64Value = Convert.ToUInt64(_updateData.ArchiveFileData[(int)index].IsDirectory);
}
break;
case ItemPropId.Size:
#region Size
value.VarType = VarEnum.VT_UI8;
UInt64 size;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
size = _bytesCount > 0 ? (ulong)_bytesCount : 0;
}
else
{
size = (ulong)(_streams[index] == null? 0 : _streams[index].Length);
}
}
else
{
size = (_files[index].Attributes & FileAttributes.Directory) == 0
? (ulong)_files[index].Length
: 0;
}
}
else
{
size = _updateData.ArchiveFileData[(int)index].Size;
}
value.UInt64Value = size;
#endregion
break;
case ItemPropId.Attributes:
value.VarType = VarEnum.VT_UI4;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
if (_files == null)
{
if (_streams == null)
{
value.UInt32Value = (uint)FileAttributes.Normal;
}
else
{
value.UInt32Value = (uint)(_streams[index] == null ? FileAttributes.Directory : FileAttributes.Normal);
}
}
else
{
value.UInt32Value = (uint)_files[index].Attributes;
}
}
else
{
value.UInt32Value = _updateData.ArchiveFileData[(int)index].Attributes;
}
break;
#region Times
case ItemPropId.CreationTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].CreationTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int)index].CreationTime.ToFileTime();
}
break;
case ItemPropId.LastAccessTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].LastAccessTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int)index].LastAccessTime.ToFileTime();
}
break;
case ItemPropId.LastWriteTime:
value.VarType = VarEnum.VT_FILETIME;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
value.Int64Value = _files == null
? DateTime.Now.ToFileTime()
: _files[index].LastWriteTime.ToFileTime();
}
else
{
value.Int64Value = _updateData.ArchiveFileData[(int)index].LastWriteTime.ToFileTime();
}
break;
#endregion
case ItemPropId.Extension:
#region Extension
value.VarType = VarEnum.VT_BSTR;
if (_updateData.Mode != InternalCompressionMode.Modify)
{
try
{
val = _files != null
? _files[index].Extension.Substring(1)
: _entries == null
? ""
: Path.GetExtension(_entries[index]);
value.Value = Marshal.StringToBSTR(val);
}
catch (ArgumentException)
{
value.Value = Marshal.StringToBSTR("");
}
}
else
{
val = Path.GetExtension(_updateData.ArchiveFileData[(int)index].FileName);
value.Value = Marshal.StringToBSTR(val);
}
#endregion
break;
}
}
catch (Exception e)
{
AddException(e);
}
return(0);
}
/// <summary>
/// Sets output stream for writing unpacked data
/// </summary>
/// <param name="index">Current file index</param>
/// <param name="outStream">Output stream pointer</param>
/// <param name="askExtractMode">Extraction mode</param>
/// <returns>0 if OK</returns>
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
outStream = null;
if (Canceled)
{
return(-1);
}
_currentIndex = (int)index;
if (askExtractMode == AskMode.Extract)
{
var fileName = _directory;
if (!_fileIndex.HasValue)
{
// Extraction to a file
if (_actualIndexes == null || _actualIndexes.Contains(index))
{
var data = new PropVariant();
_archive.GetProperty(index, ItemPropId.Path, ref data);
var entryName = NativeMethods.SafeCast(data, "");
#region Get entryName
if (string.IsNullOrEmpty(entryName))
{
if (_filesCount == 1)
{
var archName = Path.GetFileName(_extractor.FileName);
archName = archName.Substring(0,
archName.LastIndexOf('.'));
if (!archName.EndsWith(".tar",
StringComparison.OrdinalIgnoreCase))
{
archName += ".tar";
}
entryName = archName;
}
else
{
entryName = "[no name] " + index.ToString(CultureInfo.InvariantCulture);
}
}
#endregion
try
{
fileName = Path.Combine(RemoveIllegalCharacters(_directory, true), RemoveIllegalCharacters(_directoryStructure ? entryName : Path.GetFileName(entryName)));
if (string.IsNullOrEmpty(fileName))
{
throw new SevenZipArchiveException("Some archive name is null or empty.");
}
}
catch (Exception e)
{
AddException(e);
outStream = _fakeStream;
return(0);
}
_archive.GetProperty(index, ItemPropId.IsDirectory, ref data);
if (!NativeMethods.SafeCast(data, false))
{
_archive.GetProperty(index, ItemPropId.LastWriteTime, ref data);
var time = NativeMethods.SafeCast(data, DateTime.MinValue);
if (File.Exists(fileName))
{
var fnea = new FileOverwriteEventArgs(fileName);
FileExists?.Invoke(this, fnea);
if (fnea.Cancel)
{
Canceled = true;
return(-1);
}
if (string.IsNullOrEmpty(fnea.FileName))
{
outStream = _fakeStream;
}
else
{
fileName = fnea.FileName;
}
}
_doneRate += 1.0f / _filesCount;
var iea = new FileInfoEventArgs(_extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(_doneRate));
FileExtractionStarted?.Invoke(this, iea);
if (iea.Cancel)
{
Canceled = true;
return(-1);
}
if (iea.Skip)
{
outStream = _fakeStream;
return(0);
}
CreateDirectory(fileName);
try
{
_fileStream = new OutStreamWrapper(File.Create(fileName), fileName, time, true);
}
catch (Exception e)
{
AddException(e is FileNotFoundException
? new IOException($"The file \"{fileName}\" was not extracted due to the File.Create fail.")
: e);
outStream = _fakeStream;
return(0);
}
_fileStream.BytesWritten += IntEventArgsHandler;
outStream = _fileStream;
}
else
{
_doneRate += 1.0f / _filesCount;
var iea = new FileInfoEventArgs(_extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(_doneRate));
FileExtractionStarted?.Invoke(this, iea);
if (iea.Cancel)
{
Canceled = true;
return(-1);
}
if (iea.Skip)
{
outStream = _fakeStream;
return(0);
}
if (!Directory.Exists(fileName))
{
try
{
Directory.CreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
}
outStream = _fakeStream;
}
}
}
else
{
outStream = _fakeStream;
}
}
else
{
// Extraction to a stream.
if (index == _fileIndex)
{
outStream = _fileStream;
_fileIndex = null;
}
else
{
outStream = _fakeStream;
}
}
}
return(0);
}