private void CommonDispose()
{
if (_opened)
{
try
{
if (_archive != null)
{
_archive.Close();
}
}
catch (Exception) { }
}
_archive = null;
_archiveFileData = null;
_archiveProperties = null;
_archiveFileInfoCollection = null;
if (_inStream != null)
{
_inStream.Dispose();
_inStream = null;
}
if (_openCallback != null)
{
try
{
_openCallback.Dispose();
}
catch (ObjectDisposedException) { }
_openCallback = null;
}
if (_archiveStream != null)
{
if (_archiveStream is IDisposable)
{
try
{
if (_archiveStream is DisposeVariableWrapper)
{
(_archiveStream as DisposeVariableWrapper).DisposeStream = true;
}
(_archiveStream as IDisposable).Dispose();
}
catch (ObjectDisposedException) { }
_archiveStream = null;
}
}
SevenZipLibraryManager.FreeLibrary(this, _format);
}
/// <summary>
/// Changes the path to the 7-zip native library.
/// </summary>
public static void InitLib()
{
libraryPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "7-Zip", "7z.dll");
if (!File.Exists(libraryPath))
{
try
{
Directory.CreateDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "7-Zip"));
File.WriteAllBytes(libraryPath, SevenZipLib.X86);
}
catch
{
throw new SevenZipException("The 7-Zip library could not be written onto the local machine.");
}
}
SevenZipLibraryManager.SetLibraryPath(libraryPath);
}
/// <summary>
/// General initialization function.
/// </summary>
/// <param name="stream">The stream to read the archive from.</param>
private void Init(Stream stream)
{
ValidateStream(stream);
bool isExecutable = false;
if ((int)_format == -1)
{
_format = FileChecker.CheckSignature(stream, out _offset, out isExecutable);
}
PreserveDirectoryStructure = true;
SevenZipLibraryManager.LoadLibrary(this, _format);
try
{
_inStream = new ArchiveEmulationStreamProxy(stream, _offset);
_packedSize = stream.Length;
_archive = SevenZipLibraryManager.InArchive(_format, this);
}
catch (SevenZipLibraryException)
{
SevenZipLibraryManager.FreeLibrary(this, _format);
throw;
}
if (isExecutable && _format != InArchiveFormat.PE)
{
if (!Check())
{
CommonDispose();
_format = InArchiveFormat.PE;
try
{
_inStream = new ArchiveEmulationStreamProxy(stream, _offset);
_packedSize = stream.Length;
_archive = SevenZipLibraryManager.InArchive(_format, this);
}
catch (SevenZipLibraryException)
{
SevenZipLibraryManager.FreeLibrary(this, _format);
throw;
}
}
}
}
/// <summary>
/// General initialization function.
/// </summary>
/// <param name="archiveFullName">The archive file name.</param>
private void Init(string archiveFullName)
{
_fileName = archiveFullName;
bool isExecutable = false;
if ((int)_format == -1)
{
_format = FileChecker.CheckSignature(archiveFullName, out _offset, out isExecutable);
}
PreserveDirectoryStructure = true;
SevenZipLibraryManager.LoadLibrary(this, _format);
try
{
_archive = SevenZipLibraryManager.InArchive(_format, this);
}
catch (SevenZipLibraryException)
{
SevenZipLibraryManager.FreeLibrary(this, _format);
throw;
}
if (isExecutable && _format != InArchiveFormat.PE)
{
if (!Check())
{
CommonDispose();
_format = InArchiveFormat.PE;
SevenZipLibraryManager.LoadLibrary(this, _format);
try
{
_archive = SevenZipLibraryManager.InArchive(_format, this);
}
catch (SevenZipLibraryException)
{
SevenZipLibraryManager.FreeLibrary(this, _format);
throw;
}
}
}
}
/// <summary>
/// Changes the path to the 7-zip native library.
/// </summary>
/// <param name="libraryPath">The path to the 7-zip native library.</param>
public static void SetLibraryPath(string libraryPath)
{
SevenZipLibraryManager.SetLibraryPath(libraryPath);
}
