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Diffstat (limited to 'Emby.Common.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs')
-rw-r--r--Emby.Common.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs105
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diff --git a/Emby.Common.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs b/Emby.Common.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs
deleted file mode 100644
index e9cefa9bc..000000000
--- a/Emby.Common.Implementations/TextEncoding/UniversalDetector/Core/EscCharsetProber.cs
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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 ***** */
-
-namespace UniversalDetector.Core
-{
- public class EscCharsetProber : CharsetProber
- {
- private const int CHARSETS_NUM = 4;
- private string detectedCharset;
- private CodingStateMachine[] codingSM;
- int activeSM;
-
- public EscCharsetProber()
- {
- codingSM = new CodingStateMachine[CHARSETS_NUM];
- codingSM[0] = new CodingStateMachine(new HZSMModel());
- codingSM[1] = new CodingStateMachine(new ISO2022CNSMModel());
- codingSM[2] = new CodingStateMachine(new ISO2022JPSMModel());
- codingSM[3] = new CodingStateMachine(new ISO2022KRSMModel());
- Reset();
- }
-
- public override void Reset()
- {
- state = ProbingState.Detecting;
- for (int i = 0; i < CHARSETS_NUM; i++)
- codingSM[i].Reset();
- activeSM = CHARSETS_NUM;
- detectedCharset = null;
- }
-
- public override ProbingState HandleData(byte[] buf, int offset, int len)
- {
- int max = offset + len;
-
- for (int i = offset; i < max && state == ProbingState.Detecting; i++) {
- for (int j = activeSM - 1; j >= 0; j--) {
- // byte is feed to all active state machine
- int codingState = codingSM[j].NextState(buf[i]);
- if (codingState == SMModel.ERROR) {
- // got negative answer for this state machine, make it inactive
- activeSM--;
- if (activeSM == 0) {
- state = ProbingState.NotMe;
- return state;
- } else if (j != activeSM) {
- CodingStateMachine t = codingSM[activeSM];
- codingSM[activeSM] = codingSM[j];
- codingSM[j] = t;
- }
- } else if (codingState == SMModel.ITSME) {
- state = ProbingState.FoundIt;
- detectedCharset = codingSM[j].ModelName;
- return state;
- }
- }
- }
- return state;
- }
-
- public override string GetCharsetName()
- {
- return detectedCharset;
- }
-
- public override float GetConfidence()
- {
- return 0.99f;
- }
- }
-}