public static Dictionary <string, TarFileInfo> ListFileInfos(Stream inputStream)
{
long position = 0;
var buffer = new byte[512 * 512];
var output = new Dictionary <string, TarFileInfo>();
while (true)
{
var header = Utils.ReadStruct <Header>(inputStream);
var magic = ToString(header.Magic);
position += 512;
if (magic != "ustar ")
{
break;
}
var filename = ToString(header.Prefix) + ToString(header.Name);
var size = Convert.ToInt64(ToString(header.Size), 8);
switch (header.TypeFlag)
{
case '0': // Regular file
case '5': // Directory
output[filename] = new TarFileInfo
{
Filename = filename,
Position = position,
Modified = _utcTime.AddSeconds((Convert.ToInt64(ToString(header.MTime), 8))),
Type = (header.TypeFlag == '0') ? TarFiletype.File : TarFiletype.Directory,
Size = size
};
break;
}
// Skip contents of file and align to 512 byte chunk boundary.
var skipBytes = size + ((512 - ((position + size) % 512)) % 512);
Skip(inputStream, skipBytes);
position += skipBytes;
Logger.Debug("Listing file from tar(" + size + "): \"" + filename + "\"");
}
inputStream.Close();
return(output);
}
public static Stream SkipToData(Stream stream, TarFileInfo fileInfo)
{
Skip(stream, fileInfo.Position);
return stream;
}
public static Stream SkipToData(Stream stream, TarFileInfo fileInfo)
{
Skip(stream, fileInfo.Position);
return(stream);
}
public static Dictionary<string, TarFileInfo> ListFileInfos(Stream inputStream)
{
long position = 0;
var buffer = new byte[512 * 512];
var output = new Dictionary<string, TarFileInfo>();
while (true)
{
var header = Utils.ReadStruct<Header>(inputStream);
var magic = ToString(header.Magic);
position += 512;
if (magic != "ustar ") break;
var filename = ToString(header.Prefix) + ToString(header.Name);
var size = Convert.ToInt64(ToString(header.Size), 8);
switch (header.TypeFlag)
{
case '0': // Regular file
case '5': // Directory
output[filename] = new TarFileInfo
{
Filename = filename,
Position = position,
Modified = _utcTime.AddSeconds((Convert.ToInt64(ToString(header.MTime), 8))),
Type = (header.TypeFlag == '0') ? TarFiletype.File : TarFiletype.Directory,
Size = size
};
break;
}
// Skip contents of file and align to 512 byte chunk boundary.
var skipBytes = size + ((512 - ((position + size) % 512)) % 512);
Skip(inputStream, skipBytes);
position += skipBytes;
Logger.Debug("Listing file from tar(" + size + "): \"" + filename + "\"");
}
inputStream.Close();
return output;
}
