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/* ***** 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
{
/// <summary>
/// Default implementation of charset detection interface.
/// The detector can be fed by a System.IO.Stream:
/// <example>
/// <code>
/// using (FileStream fs = File.OpenRead(filename)) {
/// CharsetDetector cdet = new CharsetDetector();
/// cdet.Feed(fs);
/// cdet.DataEnd();
/// Console.WriteLine("{0}, {1}", cdet.Charset, cdet.Confidence);
/// </code>
/// </example>
///
/// or by a byte a array:
///
/// <example>
/// <code>
/// byte[] buff = new byte[1024];
/// int read;
/// while ((read = stream.Read(buff, 0, buff.Length)) > 0 && !done)
/// Feed(buff, 0, read);
/// cdet.DataEnd();
/// Console.WriteLine("{0}, {1}", cdet.Charset, cdet.Confidence);
/// </code>
/// </example>
/// </summary>
public class CharsetDetector : Core.UniversalDetector, ICharsetDetector
{
private string charset;
private float confidence;
//public event DetectorFinished Finished;
public CharsetDetector() : base(FILTER_ALL)
{
}
public void Feed(Stream stream)
{
byte[] buff = new byte[1024];
int read;
while ((read = stream.Read(buff, 0, buff.Length)) > 0 && !done)
{
Feed(buff, 0, read);
}
}
public bool IsDone()
{
return done;
}
public override void Reset()
{
this.charset = null;
this.confidence = 0.0f;
base.Reset();
}
public string Charset {
get { return charset; }
}
public float Confidence {
get { return confidence; }
}
protected override void Report(string charset, float confidence)
{
this.charset = charset;
this.confidence = confidence;
// if (Finished != null) {
// Finished(charset, confidence);
// }
}
}
//public delegate void DetectorFinished(string charset, float confidence);
}
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