/// <summary>
/// Decodes an object.
/// </summary>
/// <param name="ContentType">Internet Content Type.</param>
/// <param name="Data">Encoded object.</param>
/// <param name="BaseUri">Base URI, if any. If not available, value is null.</param>
/// <returns>Decoded object.</returns>
/// <exception cref="ArgumentException">If the object cannot be decoded.</exception>
public static object Decode(string ContentType, byte[] Data, Uri BaseUri)
{
Encoding Encoding = null;
KeyValuePair <string, string>[] Fields;
int i;
i = ContentType.IndexOf(';');
if (i > 0)
{
Fields = CommonTypes.ParseFieldValues(ContentType.Substring(i + 1).TrimStart());
ContentType = ContentType.Substring(0, i).TrimEnd();
foreach (KeyValuePair <string, string> Field in Fields)
{
if (Field.Key.ToUpper() == "CHARSET")
{
Encoding = GetEncoding(Field.Value);
}
}
}
else
{
Fields = new KeyValuePair <string, string> [0];
}
return(Decode(ContentType, Data, Encoding, Fields, BaseUri));
}
/// <summary>
/// Decodes an object.
/// </summary>
/// <param name="ContentType">Internet Content Type.</param>
/// <param name="Data">Encoded object.</param>
/// <param name="BaseUri">Base URI, if any. If not available, value is null.</param>
/// <returns>Decoded object.</returns>
/// <exception cref="ArgumentException">If the object cannot be decoded.</exception>
public static object Decode(string ContentType, byte[] Data, Uri BaseUri)
{
Encoding Encoding = null;
KeyValuePair <string, string>[] Fields;
int i;
i = ContentType.IndexOf(';');
if (i > 0)
{
Fields = CommonTypes.ParseFieldValues(ContentType.Substring(i + 1).TrimStart());
ContentType = ContentType.Substring(0, i).TrimEnd();
foreach (KeyValuePair <string, string> Field in Fields)
{
if (Field.Key.ToUpper() == "CHARSET")
{
// Reference: http://www.iana.org/assignments/character-sets/character-sets.xhtml
switch (Field.Value.ToUpper())
{
case "ASCII":
case "US-ASCII":
Encoding = Encoding.ASCII;
break;
case "UTF-16LE":
case "UTF-16":
Encoding = Encoding.Unicode;
break;
case "UTF-16BE":
Encoding = Encoding.BigEndianUnicode;
break;
case "UTF-32":
case "UTF-32LE":
Encoding = Encoding.UTF32;
break;
case "UNICODE-1-1-UTF-7":
case "UTF-7":
Encoding = Encoding.UTF7;
break;
case "UTF-8":
Encoding = Encoding.UTF8;
break;
default:
Encoding = Encoding.GetEncoding(Field.Value);
break;
}
}
}
}
else
{
Fields = new KeyValuePair <string, string> [0];
}
return(Decode(ContentType, Data, Encoding, Fields, BaseUri));
}
