jellyfin/Emby.Common.Implementations/TextEncoding/UniversalDetector/ICharsetDetector.cs
2017-04-18 01:53:39 -04:00

89 lines
3.2 KiB
C#

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Universal charset detector code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Shy Shalom <shooshX@gmail.com>
* Rudi Pettazzi <rudi.pettazzi@gmail.com> (C# port)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
using System.IO;
namespace UniversalDetector
{
public interface ICharsetDetector
{
/// <summary>
/// The detected charset. It can be null.
/// </summary>
string Charset { get; }
/// <summary>
/// The confidence of the detected charset, if any
/// </summary>
float Confidence { get; }
/// <summary>
/// Feed a block of bytes to the detector.
/// </summary>
/// <param name="buf">input buffer</param>
/// <param name="offset">offset into buffer</param>
/// <param name="len">number of available bytes</param>
void Feed(byte[] buf, int offset, int len);
/// <summary>
/// Feed a bytes stream to the detector.
/// </summary>
/// <param name="stream">an input stream</param>
void Feed(Stream stream);
/// <summary>
/// Resets the state of the detector.
/// </summary>
void Reset();
/// <summary>
/// Returns true if the detector has found a result and it is sure about it.
/// </summary>
/// <returns>true if the detector has detected the encoding</returns>
bool IsDone();
/// <summary>
/// Tell the detector that there is no more data and it must take its
/// decision.
/// </summary>
void DataEnd();
}
}