/// <summary>
/// Packs the stream.
/// </summary>
public static Stream Pack(Stream stream)
{
if (stream == null || stream.Length == 0 || !AllowPacking)
{
return(stream);
}
return(StiGZipHelper.Pack(stream));
}
/// <summary>
/// Packs the byte array.
/// </summary>
public static byte[] Pack(byte[] bytes)
{
if (bytes == null || bytes.Length == 0 || !AllowPacking)
{
return(bytes);
}
return(AddZipSignature(StiGZipHelper.Pack(bytes)));
}
/// <summary>
/// Unpacks byte array and convert it to string.
/// </summary>
public static string UnpackToString(byte[] bytes)
{
if (bytes == null || bytes.Length == 0)
{
return(null);
}
bytes = Unpack(bytes);
return(StiGZipHelper.ConvertByteArrayToString(bytes));
}
/// <summary>
/// Packs string and convert it to byte array.
/// </summary>
public static byte[] PackToBytes(string str)
{
if (string.IsNullOrEmpty(str))
{
return(null);
}
var bytes = StiGZipHelper.ConvertStringToByteArray(str);
if (bytes != null && bytes.Length != 0 && AllowPacking)
{
bytes = AddZipSignature(StiGZipHelper.Pack(bytes));
}
return(bytes);
}
/// <summary>
/// Unpacks stream.
/// </summary>
public static Stream Unpack(Stream stream)
{
if (stream == null || stream.Length == 0 || !IsPacked(stream))
{
return(stream);
}
try
{
return(StiGZipHelper.Unpack(stream));
}
catch (InvalidDataException)//Bad unpacking
{
return(stream);
}
}
/// <summary>
/// Unpacks byte array.
/// </summary>
public static byte[] Unpack(byte[] bytes)
{
if (bytes == null || bytes.Length == 0 || !IsPacked(bytes))
{
return(bytes);
}
try
{
Array.Resize(ref bytes, bytes.Length - 3);
return(StiGZipHelper.Unpack(bytes));
}
catch (InvalidDataException)//Bad unpacking
{
return(bytes);
}
}