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126 lines
3.9 KiB
126 lines
3.9 KiB
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Universal charset detector code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Shy Shalom <shooshX@gmail.com>
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* Rudi Pettazzi <rudi.pettazzi@gmail.com> (C# port)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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using System.IO;
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namespace UniversalDetector
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{
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/// <summary>
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/// Default implementation of charset detection interface.
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/// The detector can be fed by a System.IO.Stream:
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/// <example>
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/// <code>
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/// using (FileStream fs = File.OpenRead(filename)) {
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/// CharsetDetector cdet = new CharsetDetector();
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/// cdet.Feed(fs);
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/// cdet.DataEnd();
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/// Console.WriteLine("{0}, {1}", cdet.Charset, cdet.Confidence);
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/// </code>
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/// </example>
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///
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/// or by a byte a array:
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///
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/// <example>
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/// <code>
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/// byte[] buff = new byte[1024];
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/// int read;
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/// while ((read = stream.Read(buff, 0, buff.Length)) > 0 && !done)
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/// Feed(buff, 0, read);
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/// cdet.DataEnd();
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/// Console.WriteLine("{0}, {1}", cdet.Charset, cdet.Confidence);
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/// </code>
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/// </example>
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/// </summary>
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public class CharsetDetector : Core.UniversalDetector, ICharsetDetector
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{
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private string charset;
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private float confidence;
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//public event DetectorFinished Finished;
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public CharsetDetector() : base(FILTER_ALL)
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{
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}
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public void Feed(Stream stream)
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{
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byte[] buff = new byte[1024];
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int read;
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while ((read = stream.Read(buff, 0, buff.Length)) > 0 && !done)
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{
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Feed(buff, 0, read);
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}
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}
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public bool IsDone()
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{
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return done;
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}
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public override void Reset()
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{
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this.charset = null;
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this.confidence = 0.0f;
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base.Reset();
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}
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public string Charset {
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get { return charset; }
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}
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public float Confidence {
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get { return confidence; }
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}
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protected override void Report(string charset, float confidence)
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{
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this.charset = charset;
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this.confidence = confidence;
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// if (Finished != null) {
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// Finished(charset, confidence);
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// }
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}
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}
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//public delegate void DetectorFinished(string charset, float confidence);
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}
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