/// <summary>
/// Constructor with a FileInfo object to an existing file.
/// </summary>
/// <param name="fileInfo"></param>
/// <param name="options"></param>
public static IArchive Open(FileInfo fileInfo, Options options)
{
fileInfo.CheckNotNull("fileInfo");
using (var stream = fileInfo.OpenRead())
{
if (ZipArchive.IsZipFile(stream))
{
return ZipArchive.Open(fileInfo, options);
}
stream.Seek(0, SeekOrigin.Begin);
if (RarArchive.IsRarFile(stream))
{
return RarArchive.Open(fileInfo, options);
}
throw new InvalidOperationException("Cannot determine compressed stream type.");
}
}
/// <summary>
/// Constructor with a FileInfo object to an existing file.
/// </summary>
/// <param name="fileInfo"></param>
/// <param name="options"></param>
public static IArchive Open(FileInfo fileInfo, Options options)
{
fileInfo.CheckNotNull("fileInfo");
using (var stream = fileInfo.OpenRead())
{
if (ZipArchive.IsZipFile(stream, null))
{
stream.Dispose();
return ZipArchive.Open(fileInfo, options, null);
}
stream.Seek(0, SeekOrigin.Begin);
if (RarArchive.IsRarFile(stream, Options.LookForHeader | Options.KeepStreamsOpen))
{
stream.Dispose();
return RarArchive.Open(fileInfo, options);
}
stream.Seek(0, SeekOrigin.Begin);
if (TarArchive.IsTarFile(stream))
{
stream.Dispose();
return TarArchive.Open(fileInfo, options);
}
stream.Seek(0, SeekOrigin.Begin);
if (SevenZipArchive.IsSevenZipFile(stream))
{
stream.Dispose();
return SevenZipArchive.Open(fileInfo, options);
}
stream.Seek(0, SeekOrigin.Begin);
if (GZipArchive.IsGZipFile(stream))
{
stream.Dispose();
return GZipArchive.Open(fileInfo, options);
}
throw new InvalidOperationException("Cannot determine compressed stream type.");
}
}
/// <summary>
/// Constructor with a FileInfo object to an existing file.
/// </summary>
/// <param name="fileInfo"></param>
/// <param name="options"></param>
public static RarArchive Open(FileInfo fileInfo, RarOptions options)
{
fileInfo.CheckNotNull("fileInfo");
return new RarArchive(fileInfo, options);
}
