private void Init(
Dictionary<string, Stream> streamDict,
SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
_streams = new Stream[streamDict.Count];
streamDict.Values.CopyTo(_streams, 0);
_entries = new string[streamDict.Count];
streamDict.Keys.CopyTo(_entries, 0);
_actualFilesCount = streamDict.Count;
foreach (Stream str in _streams)
{
if (str != null)
{
_bytesCount += str.Length;
}
}
CommonInit(compressor, updateData, directoryStructure);
}
private void Init(
FileInfo[] files, int rootLength, SevenZipCompressor compressor,
UpdateData updateData, bool directoryStructure)
{
_files = files;
_rootLength = rootLength;
if (files != null)
{
foreach (var fi in files)
{
if (fi.Exists)
{
_bytesCount += fi.Length;
if ((fi.Attributes & FileAttributes.Directory) == 0)
{
_actualFilesCount++;
}
}
}
}
CommonInit(compressor, updateData, directoryStructure);
}
private void Init(
Stream stream, SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
_fileStream = new InStreamWrapper(stream, false);
_fileStream.BytesRead += IntEventArgsHandler;
_actualFilesCount = 1;
try
{
_bytesCount = stream.Length;
}
catch (NotSupportedException)
{
_bytesCount = -1;
}
try
{
stream.Seek(0, SeekOrigin.Begin);
}
catch (NotSupportedException)
{
_bytesCount = -1;
}
CommonInit(compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="streamDict">Dictionary<file stream, name of the archive entry></param>
/// <param name="password">The archive password</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
Dictionary<string, Stream> streamDict, string password,
SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
: base(password)
{
Init(streamDict, compressor, updateData, directoryStructure);
}
private void CommonInit(SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
_compressor = compressor;
_indexInArchive = updateData.FilesCount;
_indexOffset = updateData.Mode != InternalCompressionMode.Append ? 0 : _indexInArchive;
if (_compressor.ArchiveFormat == OutArchiveFormat.Zip)
{
_wrappersToDispose = new List<InStreamWrapper>();
}
_updateData = updateData;
_directoryStructure = directoryStructure;
DefaultItemName = "default";
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="stream">The input stream</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
Stream stream, SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
Init(stream, compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="stream">The input stream</param>
/// <param name="password">The archive password</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
Stream stream, string password, SevenZipCompressor compressor, UpdateData updateData,
bool directoryStructure)
: base(password)
{
Init(stream, compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="files">Array of files to pack</param>
/// <param name="rootLength">Common file names root length</param>
/// <param name="password">The archive password</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
FileInfo[] files, int rootLength, string password,
SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
: base(password)
{
Init(files, rootLength, compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="streamDict">Dictionary<file stream, name of the archive entry></param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
Dictionary <string, Stream> streamDict,
SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
Init(streamDict, compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="stream">The input stream</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
Stream stream, SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
Init(stream, compressor, updateData, directoryStructure);
}
/// <summary>
/// Initializes a new instance of the ArchiveUpdateCallback class
/// </summary>
/// <param name="files">Array of files to pack</param>
/// <param name="rootLength">Common file names root length</param>
/// <param name="compressor">The owner of the callback</param>
/// <param name="updateData">The compression parameters.</param>
/// <param name="directoryStructure">Preserve directory structure.</param>
public ArchiveUpdateCallback(
FileInfo[] files, int rootLength,
SevenZipCompressor compressor, UpdateData updateData, bool directoryStructure)
{
Init(files, rootLength, compressor, updateData, directoryStructure);
}
private static bool CompressionBenchmark(Stream inStream, Stream outStream,
OutArchiveFormat format, CompressionMethod method,
ref LibraryFeature? features, LibraryFeature testedFeature)
{
try
{
var compr = new SevenZipCompressor {ArchiveFormat = format, CompressionMethod = method};
compr.CompressStream(inStream, outStream);
}
catch (Exception)
{
return false;
}
features |= testedFeature;
return true;
}
