private void NewVolumeStream()
{
CurrentStream++;
Streams.Add(File.Create(_archiveName + VolumeNumber(CurrentStream + 1)));
Streams[CurrentStream].SetLength(_volumeSize);
StreamOffsets.Add(CurrentStream, new KeyValuePair <long, long>(0, _volumeSize - 1));
}
private void NewVolumeStream()
{
CurrentStream++;
string newVolumeName = null;
int p = _archiveName.LastIndexOf(".");
if (p >= 0 && _altNames && (p + 1) == _archiveName.Length - 3)
{
if (CurrentStream == 0)
{
newVolumeName = _archiveName;
}
else
{
newVolumeName = _archiveName.Substring(0, p + 1) + (CurrentStream > 9 ? (CurrentStream > 99 ? CurrentStream.ToString() : "0" + CurrentStream) : "00" + CurrentStream);
}
}
else
{
newVolumeName = _archiveName + VolumeNumber(CurrentStream + 1);
}
Streams.Add(File.Create(newVolumeName));
Streams[CurrentStream].SetLength(_volumeSize);
StreamOffsets.Add(CurrentStream, new KeyValuePair <long, long>(0, _volumeSize - 1));
}
/// <summary>
/// Initializes a new instance of the InMultiStreamWrapper class.
/// </summary>
/// <param name="fileName">The archive file name.</param>
/// <param name="dispose">Perform Dispose() if requested to.</param>
public InMultiStreamWrapper(string fileName, bool dispose) :
base(dispose)
{
string baseName = fileName.Substring(0, fileName.Length - 4);
int i = 0;
while (File.Exists(fileName))
{
Streams.Add(new FileStream(fileName, FileMode.Open));
long length = Streams[i].Length;
StreamOffsets.Add(i++, new KeyValuePair <long, long>(StreamLength, StreamLength + length));
StreamLength += length;
fileName = baseName + VolumeNumber(i + 1);
}
}
/// <summary> Initializes a new instance of the InMultiStreamWrapper class.</summary>
/// <param name="fileName"> The archive file name.</param>
/// <param name="altVolumeNaming"> true to alternate volume naming.</param>
/// <param name="zipMultiVolume"> true to zip multi volume.</param>
/// <param name="dispose"> Perform Dispose() if requested to.</param>
public InMultiStreamWrapper(string fileName, bool altVolumeNaming, bool zipMultiVolume, bool dispose) :
base(dispose, zipMultiVolume)
{
string baseName;
string originalName = fileName;
long length = 0;
int i = 0;
zipFormat = zipMultiVolume;
if (zipMultiVolume)
{
baseName = fileName.Substring(0, fileName.Length - 2);
while (true)
{
int j = i + 1;
fileName = baseName + (j > 9 ? j.ToString() : "0" + j);
if (!File.Exists(fileName))
{
break;
}
Streams.Add(new FileStream(fileName, FileMode.Open, FileAccess.Read));
length = Streams[i].Length;
StreamOffsets.Add(i++, new KeyValuePair <long, long>(StreamLength, StreamLength + length));
StreamLength += length;
}
Streams.Add(new FileStream(originalName, FileMode.Open, FileAccess.Read));
length = Streams[i].Length;
StreamOffsets.Add(i++, new KeyValuePair <long, long>(StreamLength, StreamLength + length));
StreamLength += length;
}
else
{
baseName = fileName.Substring(0, fileName.Length - 4);
while (File.Exists(fileName))
{
Streams.Add(new FileStream(fileName, FileMode.Open, FileAccess.Read));
length = Streams[i].Length;
StreamOffsets.Add(i++, new KeyValuePair <long, long>(StreamLength, StreamLength + length));
StreamLength += length;
fileName = baseName + VolumeNumber(i + (altVolumeNaming ? 0 : 1));
}
}
}
