forked from enviPath/enviPy
72 lines
2.3 KiB
JavaScript
Executable File
72 lines
2.3 KiB
JavaScript
Executable File
/*
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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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* António Afonso (antonio.afonso gmail.com) - port to JavaScript
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* Mark Pilgrim - port to Python
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* Shy Shalom - original C code
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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!function(jschardet) {
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jschardet.CodingStateMachine = function(sm) {
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var self = this;
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function init(sm) {
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self._mModel = sm;
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self._mCurrentBytePos = 0;
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self._mCurrentCharLen = 0;
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self.reset();
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}
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this.reset = function() {
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this._mCurrentState = jschardet.Constants.start;
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}
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this.nextState = function(c) {
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// for each byte we get its class
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// if it is first byte, we also get byte length
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var byteCls = this._mModel.classTable[c.charCodeAt(0)];
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if( this._mCurrentState == jschardet.Constants.start ) {
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this._mCurrentBytePos = 0;
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this._mCurrentCharLen = this._mModel.charLenTable[byteCls];
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}
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// from byte's class and stateTable, we get its next state
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this._mCurrentState = this._mModel.stateTable[this._mCurrentState * this._mModel.classFactor + byteCls];
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this._mCurrentBytePos++;
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return this._mCurrentState;
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}
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this.getCurrentCharLen = function() {
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return this._mCurrentCharLen;
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}
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this.getCodingStateMachine = function() {
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return this._mModel.name;
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}
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init(sm);
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}
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}(require('./init'));
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