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Diffstat (limited to 'Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs')
| -rw-r--r-- | Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs b/Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs deleted file mode 100644 index cdbc16891..000000000 --- a/Emby.Server.Implementations/TextEncoding/UniversalDetector/Core/SBCSGroupProber.cs +++ /dev/null @@ -1,191 +0,0 @@ -/* ***** 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 ***** */ - - -namespace UniversalDetector.Core -{ - public class SBCSGroupProber : CharsetProber - { - private const int PROBERS_NUM = 13; - private CharsetProber[] probers = new CharsetProber[PROBERS_NUM]; - private bool[] isActive = new bool[PROBERS_NUM]; - private int bestGuess; - private int activeNum; - - public SBCSGroupProber() - { - probers[0] = new SingleByteCharSetProber(new Win1251Model()); - probers[1] = new SingleByteCharSetProber(new Koi8rModel()); - probers[2] = new SingleByteCharSetProber(new Latin5Model()); - probers[3] = new SingleByteCharSetProber(new MacCyrillicModel()); - probers[4] = new SingleByteCharSetProber(new Ibm866Model()); - probers[5] = new SingleByteCharSetProber(new Ibm855Model()); - probers[6] = new SingleByteCharSetProber(new Latin7Model()); - probers[7] = new SingleByteCharSetProber(new Win1253Model()); - probers[8] = new SingleByteCharSetProber(new Latin5BulgarianModel()); - probers[9] = new SingleByteCharSetProber(new Win1251BulgarianModel()); - var hebprober = new HebrewProber(); - probers[10] = hebprober; - // Logical - probers[11] = new SingleByteCharSetProber(new Win1255Model(), false, hebprober); - // Visual - probers[12] = new SingleByteCharSetProber(new Win1255Model(), true, hebprober); - hebprober.SetModelProbers(probers[11], probers[12]); - // disable latin2 before latin1 is available, otherwise all latin1 - // will be detected as latin2 because of their similarity. - //probers[13] = new SingleByteCharSetProber(new Latin2HungarianModel()); - //probers[14] = new SingleByteCharSetProber(new Win1250HungarianModel()); - Reset(); - } - - public override ProbingState HandleData(byte[] buf, int offset, int len) - { - var st = ProbingState.NotMe; - - //apply filter to original buffer, and we got new buffer back - //depend on what script it is, we will feed them the new buffer - //we got after applying proper filter - //this is done without any consideration to KeepEnglishLetters - //of each prober since as of now, there are no probers here which - //recognize languages with English characters. - byte[] newBuf = FilterWithoutEnglishLetters(buf, offset, len); - if (newBuf.Length == 0) - return state; // Nothing to see here, move on. - - for (int i = 0; i < PROBERS_NUM; i++) - { - if (!isActive[i]) - continue; - st = probers[i].HandleData(newBuf, 0, newBuf.Length); - - if (st == ProbingState.FoundIt) - { - bestGuess = i; - state = ProbingState.FoundIt; - break; - } - else if (st == ProbingState.NotMe) - { - isActive[i] = false; - activeNum--; - if (activeNum <= 0) - { - state = ProbingState.NotMe; - break; - } - } - } - return state; - } - - public override float GetConfidence() - { - float bestConf = 0.0f, cf; - switch (state) - { - case ProbingState.FoundIt: - return 0.99f; //sure yes - case ProbingState.NotMe: - return 0.01f; //sure no - default: - for (int i = 0; i < PROBERS_NUM; i++) - { - if (!isActive[i]) - continue; - cf = probers[i].GetConfidence(); - if (bestConf < cf) - { - bestConf = cf; - bestGuess = i; - } - } - break; - } - return bestConf; - } - - public override void DumpStatus() - { - float cf = GetConfidence(); - // Console.WriteLine(" SBCS Group Prober --------begin status"); - for (int i = 0; i < PROBERS_NUM; i++) - { - if (isActive[i]) - probers[i].DumpStatus(); - //else - //Console.WriteLine(" inactive: [{0}] (i.e. confidence is too low).", probers[i].GetCharsetName()); - - } - //Console.WriteLine(" SBCS Group found best match [{0}] confidence {1}.", probers[bestGuess].GetCharsetName(), cf); - } - - public override void Reset() - { - int activeNum = 0; - for (int i = 0; i < PROBERS_NUM; i++) - { - if (probers[i] != null) - { - probers[i].Reset(); - isActive[i] = true; - activeNum++; - } - else - { - isActive[i] = false; - } - } - bestGuess = -1; - state = ProbingState.Detecting; - } - - public override string GetCharsetName() - { - //if we have no answer yet - if (bestGuess == -1) - { - GetConfidence(); - //no charset seems positive - if (bestGuess == -1) - bestGuess = 0; - } - return probers[bestGuess].GetCharsetName(); - } - - } -} |