public void Write(string filename, Stream source, DateTime? modificationTime, long? size)
{
if (!source.CanSeek && size == null)
{
throw new ArgumentException("Seekable stream is required if no size is given.");
}
long realSize = size ?? source.Length;
TarHeader header = new TarHeader();
header.LastModifiedTime = modificationTime ?? TarHeader.Epoch;
header.Name = NormalizeFilename(filename);
header.Size = realSize;
header.Write(OutputStream);
size = source.TransferTo(OutputStream);
PadTo512(size.Value, false);
}
public void Write(string filename, Stream source, DateTime? modificationTime, long? size)
{
if (!(source.CanSeek || size.HasValue))
{
throw new ArgumentException("Seekable stream is required if no size is given.");
}
long? nullable = size;
long num = nullable.HasValue ? nullable.GetValueOrDefault() : source.Length;
TarHeader header = new TarHeader();
DateTime? nullable2 = modificationTime;
header.LastModifiedTime = nullable2.HasValue ? nullable2.GetValueOrDefault() : TarHeader.Epoch;
header.Name = this.NormalizeFilename(filename);
header.Size = num;
header.Write(base.OutputStream);
size = new long?(Utility.TransferTo(source, base.OutputStream));
this.PadTo512(size.Value, false);
}
internal static IEnumerable<TarHeader> ReadHeader(StreamingMode mode, Stream stream)
{
TarHeader iteratorVariable0;
bool flag2;
goto Label_012E;
Label_010E:
yield return iteratorVariable0;
Label_012E:
flag2 = true;
iteratorVariable0 = null;
try
{
BinaryReader reader = new BinaryReader(stream);
iteratorVariable0 = new TarHeader();
if (iteratorVariable0.Read(reader))
{
switch (mode)
{
case StreamingMode.Streaming:
iteratorVariable0.PackedStream = new TarReadOnlySubStream(stream, iteratorVariable0.Size);
goto Label_010E;
case StreamingMode.Seekable:
{
iteratorVariable0.DataStartPosition = new long?(reader.BaseStream.Position);
Stream baseStream = reader.BaseStream;
baseStream.Position += PadTo512(iteratorVariable0.Size);
goto Label_010E;
}
}
throw new InvalidFormatException("Invalid StreamingMode");
}
goto Label_0135;
}
catch
{
iteratorVariable0 = null;
}
goto Label_010E;
Label_0135:;
}
internal static IEnumerable<TarHeader> ReadHeader(StreamingMode mode, Stream stream)
{
while (true)
{
TarHeader header = null;
try
{
BinaryReader reader = new BinaryReader(stream);
header = new TarHeader();
if (!header.Read(reader))
{
yield break;
}
switch (mode)
{
case StreamingMode.Seekable:
{
header.DataStartPosition = reader.BaseStream.Position;
//skip to nearest 512
reader.BaseStream.Position += PadTo512(header.Size);
}
break;
case StreamingMode.Streaming:
{
header.PackedStream = new TarReadOnlySubStream(stream, header.Size);
}
break;
default:
{
throw new InvalidFormatException("Invalid StreamingMode");
}
}
}
catch
{
header = null;
}
yield return header;
}
}
internal static IEnumerable<TarHeader> ReadHeaderNonseekable(Stream stream)
{
while (true)
{
TarHeader header = null;
try
{
BinaryReader reader = new BinaryReader(stream);
header = new TarHeader();
if (!header.Read(reader))
{
yield break;
}
header.PackedStream = new TarReadOnlySubStream(stream, header.Size);
}
catch
{
header = null;
}
yield return header;
}
}
internal TarFilePart(TarHeader header, Stream seekableStream)
{
this.seekableStream = seekableStream;
this.Header = header;
}
internal TarFilePart(TarHeader header)
{
this.Header = header;
}
