You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
4.0 KiB
126 lines
4.0 KiB
/* ***** 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);
|
|
|
|
}
|
|
|