mirror of https://github.com/odrling/Aegisub
627 lines
24 KiB
C++
627 lines
24 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** 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.org 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) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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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#include "nsCodingStateMachine.h"
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/*
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Modification from frank tang's original work:
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. 0x00 is allowed as a legal character. Since some web pages contains this char in
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text stream.
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*/
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// BIG5
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static PRUint32 BIG5_cls [ 256 / 8 ] = {
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//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07
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PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07 //allow 0x00 as legal value
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PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
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PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
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PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
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PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
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PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
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PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37
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PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f
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PCK4BITS(2,2,2,2,2,2,2,2), // 40 - 47
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PCK4BITS(2,2,2,2,2,2,2,2), // 48 - 4f
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PCK4BITS(2,2,2,2,2,2,2,2), // 50 - 57
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PCK4BITS(2,2,2,2,2,2,2,2), // 58 - 5f
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PCK4BITS(2,2,2,2,2,2,2,2), // 60 - 67
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PCK4BITS(2,2,2,2,2,2,2,2), // 68 - 6f
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PCK4BITS(2,2,2,2,2,2,2,2), // 70 - 77
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PCK4BITS(2,2,2,2,2,2,2,1), // 78 - 7f
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PCK4BITS(4,4,4,4,4,4,4,4), // 80 - 87
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PCK4BITS(4,4,4,4,4,4,4,4), // 88 - 8f
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PCK4BITS(4,4,4,4,4,4,4,4), // 90 - 97
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PCK4BITS(4,4,4,4,4,4,4,4), // 98 - 9f
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PCK4BITS(4,3,3,3,3,3,3,3), // a0 - a7
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PCK4BITS(3,3,3,3,3,3,3,3), // a8 - af
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PCK4BITS(3,3,3,3,3,3,3,3), // b0 - b7
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PCK4BITS(3,3,3,3,3,3,3,3), // b8 - bf
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PCK4BITS(3,3,3,3,3,3,3,3), // c0 - c7
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PCK4BITS(3,3,3,3,3,3,3,3), // c8 - cf
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PCK4BITS(3,3,3,3,3,3,3,3), // d0 - d7
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PCK4BITS(3,3,3,3,3,3,3,3), // d8 - df
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PCK4BITS(3,3,3,3,3,3,3,3), // e0 - e7
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PCK4BITS(3,3,3,3,3,3,3,3), // e8 - ef
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PCK4BITS(3,3,3,3,3,3,3,3), // f0 - f7
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PCK4BITS(3,3,3,3,3,3,3,0) // f8 - ff
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};
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static PRUint32 BIG5_st [ 3] = {
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PCK4BITS(eError,eStart,eStart, 3,eError,eError,eError,eError),//00-07
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PCK4BITS(eError,eError,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eError),//08-0f
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PCK4BITS(eError,eStart,eStart,eStart,eStart,eStart,eStart,eStart) //10-17
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};
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static const PRUint32 Big5CharLenTable[] = {0, 1, 1, 2, 0};
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SMModel Big5SMModel = {
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, BIG5_cls },
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5,
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, BIG5_st },
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Big5CharLenTable,
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"Big5",
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};
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static PRUint32 EUCJP_cls [ 256 / 8 ] = {
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//PCK4BITS(5,4,4,4,4,4,4,4), // 00 - 07
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PCK4BITS(4,4,4,4,4,4,4,4), // 00 - 07
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PCK4BITS(4,4,4,4,4,4,5,5), // 08 - 0f
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PCK4BITS(4,4,4,4,4,4,4,4), // 10 - 17
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PCK4BITS(4,4,4,5,4,4,4,4), // 18 - 1f
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PCK4BITS(4,4,4,4,4,4,4,4), // 20 - 27
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PCK4BITS(4,4,4,4,4,4,4,4), // 28 - 2f
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PCK4BITS(4,4,4,4,4,4,4,4), // 30 - 37
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PCK4BITS(4,4,4,4,4,4,4,4), // 38 - 3f
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PCK4BITS(4,4,4,4,4,4,4,4), // 40 - 47
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PCK4BITS(4,4,4,4,4,4,4,4), // 48 - 4f
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PCK4BITS(4,4,4,4,4,4,4,4), // 50 - 57
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PCK4BITS(4,4,4,4,4,4,4,4), // 58 - 5f
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PCK4BITS(4,4,4,4,4,4,4,4), // 60 - 67
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PCK4BITS(4,4,4,4,4,4,4,4), // 68 - 6f
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PCK4BITS(4,4,4,4,4,4,4,4), // 70 - 77
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PCK4BITS(4,4,4,4,4,4,4,4), // 78 - 7f
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PCK4BITS(5,5,5,5,5,5,5,5), // 80 - 87
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PCK4BITS(5,5,5,5,5,5,1,3), // 88 - 8f
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PCK4BITS(5,5,5,5,5,5,5,5), // 90 - 97
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PCK4BITS(5,5,5,5,5,5,5,5), // 98 - 9f
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PCK4BITS(5,2,2,2,2,2,2,2), // a0 - a7
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PCK4BITS(2,2,2,2,2,2,2,2), // a8 - af
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PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7
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PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf
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PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7
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PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf
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PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7
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PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df
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PCK4BITS(0,0,0,0,0,0,0,0), // e0 - e7
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PCK4BITS(0,0,0,0,0,0,0,0), // e8 - ef
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PCK4BITS(0,0,0,0,0,0,0,0), // f0 - f7
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PCK4BITS(0,0,0,0,0,0,0,5) // f8 - ff
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};
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static PRUint32 EUCJP_st [ 5] = {
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PCK4BITS( 3, 4, 3, 5,eStart,eError,eError,eError),//00-07
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PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f
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PCK4BITS(eItsMe,eItsMe,eStart,eError,eStart,eError,eError,eError),//10-17
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PCK4BITS(eError,eError,eStart,eError,eError,eError, 3,eError),//18-1f
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PCK4BITS( 3,eError,eError,eError,eStart,eStart,eStart,eStart) //20-27
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};
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static const PRUint32 EUCJPCharLenTable[] = {2, 2, 2, 3, 1, 0};
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SMModel EUCJPSMModel = {
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCJP_cls },
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6,
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCJP_st },
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EUCJPCharLenTable,
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"EUC-JP",
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};
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static PRUint32 EUCKR_cls [ 256 / 8 ] = {
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//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07
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PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07
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PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
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PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
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PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
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PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
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PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
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PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37
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PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f
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PCK4BITS(1,1,1,1,1,1,1,1), // 40 - 47
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PCK4BITS(1,1,1,1,1,1,1,1), // 48 - 4f
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PCK4BITS(1,1,1,1,1,1,1,1), // 50 - 57
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PCK4BITS(1,1,1,1,1,1,1,1), // 58 - 5f
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PCK4BITS(1,1,1,1,1,1,1,1), // 60 - 67
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PCK4BITS(1,1,1,1,1,1,1,1), // 68 - 6f
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PCK4BITS(1,1,1,1,1,1,1,1), // 70 - 77
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PCK4BITS(1,1,1,1,1,1,1,1), // 78 - 7f
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PCK4BITS(0,0,0,0,0,0,0,0), // 80 - 87
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PCK4BITS(0,0,0,0,0,0,0,0), // 88 - 8f
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PCK4BITS(0,0,0,0,0,0,0,0), // 90 - 97
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PCK4BITS(0,0,0,0,0,0,0,0), // 98 - 9f
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PCK4BITS(0,2,2,2,2,2,2,2), // a0 - a7
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PCK4BITS(2,2,2,2,2,3,3,3), // a8 - af
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PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7
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PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf
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PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7
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PCK4BITS(2,3,2,2,2,2,2,2), // c8 - cf
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PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7
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PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df
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PCK4BITS(2,2,2,2,2,2,2,2), // e0 - e7
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PCK4BITS(2,2,2,2,2,2,2,2), // e8 - ef
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PCK4BITS(2,2,2,2,2,2,2,2), // f0 - f7
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PCK4BITS(2,2,2,2,2,2,2,0) // f8 - ff
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};
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static PRUint32 EUCKR_st [ 2] = {
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PCK4BITS(eError,eStart, 3,eError,eError,eError,eError,eError),//00-07
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PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eError,eError,eStart,eStart) //08-0f
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};
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static const PRUint32 EUCKRCharLenTable[] = {0, 1, 2, 0};
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SMModel EUCKRSMModel = {
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCKR_cls },
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4,
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCKR_st },
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EUCKRCharLenTable,
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"EUC-KR",
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};
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static PRUint32 EUCTW_cls [ 256 / 8 ] = {
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//PCK4BITS(0,2,2,2,2,2,2,2), // 00 - 07
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PCK4BITS(2,2,2,2,2,2,2,2), // 00 - 07
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PCK4BITS(2,2,2,2,2,2,0,0), // 08 - 0f
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PCK4BITS(2,2,2,2,2,2,2,2), // 10 - 17
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PCK4BITS(2,2,2,0,2,2,2,2), // 18 - 1f
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PCK4BITS(2,2,2,2,2,2,2,2), // 20 - 27
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PCK4BITS(2,2,2,2,2,2,2,2), // 28 - 2f
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PCK4BITS(2,2,2,2,2,2,2,2), // 30 - 37
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PCK4BITS(2,2,2,2,2,2,2,2), // 38 - 3f
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PCK4BITS(2,2,2,2,2,2,2,2), // 40 - 47
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PCK4BITS(2,2,2,2,2,2,2,2), // 48 - 4f
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PCK4BITS(2,2,2,2,2,2,2,2), // 50 - 57
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PCK4BITS(2,2,2,2,2,2,2,2), // 58 - 5f
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PCK4BITS(2,2,2,2,2,2,2,2), // 60 - 67
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PCK4BITS(2,2,2,2,2,2,2,2), // 68 - 6f
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PCK4BITS(2,2,2,2,2,2,2,2), // 70 - 77
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PCK4BITS(2,2,2,2,2,2,2,2), // 78 - 7f
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PCK4BITS(0,0,0,0,0,0,0,0), // 80 - 87
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PCK4BITS(0,0,0,0,0,0,6,0), // 88 - 8f
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PCK4BITS(0,0,0,0,0,0,0,0), // 90 - 97
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PCK4BITS(0,0,0,0,0,0,0,0), // 98 - 9f
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PCK4BITS(0,3,4,4,4,4,4,4), // a0 - a7
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PCK4BITS(5,5,1,1,1,1,1,1), // a8 - af
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PCK4BITS(1,1,1,1,1,1,1,1), // b0 - b7
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PCK4BITS(1,1,1,1,1,1,1,1), // b8 - bf
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PCK4BITS(1,1,3,1,3,3,3,3), // c0 - c7
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PCK4BITS(3,3,3,3,3,3,3,3), // c8 - cf
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PCK4BITS(3,3,3,3,3,3,3,3), // d0 - d7
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PCK4BITS(3,3,3,3,3,3,3,3), // d8 - df
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PCK4BITS(3,3,3,3,3,3,3,3), // e0 - e7
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PCK4BITS(3,3,3,3,3,3,3,3), // e8 - ef
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PCK4BITS(3,3,3,3,3,3,3,3), // f0 - f7
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PCK4BITS(3,3,3,3,3,3,3,0) // f8 - ff
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};
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static PRUint32 EUCTW_st [ 6] = {
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PCK4BITS(eError,eError,eStart, 3, 3, 3, 4,eError),//00-07
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PCK4BITS(eError,eError,eError,eError,eError,eError,eItsMe,eItsMe),//08-0f
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PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eError,eStart,eError),//10-17
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PCK4BITS(eStart,eStart,eStart,eError,eError,eError,eError,eError),//18-1f
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PCK4BITS( 5,eError,eError,eError,eStart,eError,eStart,eStart),//20-27
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PCK4BITS(eStart,eError,eStart,eStart,eStart,eStart,eStart,eStart) //28-2f
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};
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static const PRUint32 EUCTWCharLenTable[] = {0, 0, 1, 2, 2, 2, 3};
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SMModel EUCTWSMModel = {
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCTW_cls },
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7,
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{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, EUCTW_st },
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EUCTWCharLenTable,
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"x-euc-tw",
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};
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/* obsolete GB2312 by gb18030
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static PRUint32 GB2312_cls [ 256 / 8 ] = {
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//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07
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PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07
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PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
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PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
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PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
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PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
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PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
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PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37
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PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f
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PCK4BITS(1,1,1,1,1,1,1,1), // 40 - 47
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PCK4BITS(1,1,1,1,1,1,1,1), // 48 - 4f
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PCK4BITS(1,1,1,1,1,1,1,1), // 50 - 57
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PCK4BITS(1,1,1,1,1,1,1,1), // 58 - 5f
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PCK4BITS(1,1,1,1,1,1,1,1), // 60 - 67
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PCK4BITS(1,1,1,1,1,1,1,1), // 68 - 6f
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PCK4BITS(1,1,1,1,1,1,1,1), // 70 - 77
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PCK4BITS(1,1,1,1,1,1,1,1), // 78 - 7f
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PCK4BITS(1,0,0,0,0,0,0,0), // 80 - 87
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PCK4BITS(0,0,0,0,0,0,0,0), // 88 - 8f
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PCK4BITS(0,0,0,0,0,0,0,0), // 90 - 97
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PCK4BITS(0,0,0,0,0,0,0,0), // 98 - 9f
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PCK4BITS(0,2,2,2,2,2,2,2), // a0 - a7
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PCK4BITS(2,2,3,3,3,3,3,3), // a8 - af
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PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7
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PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf
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PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7
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PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf
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PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7
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PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df
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PCK4BITS(2,2,2,2,2,2,2,2), // e0 - e7
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // e8 - ef
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // f0 - f7
|
|
PCK4BITS(2,2,2,2,2,2,2,0) // f8 - ff
|
|
};
|
|
|
|
|
|
static PRUint32 GB2312_st [ 2] = {
|
|
PCK4BITS(eError,eStart, 3,eError,eError,eError,eError,eError),//00-07
|
|
PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eError,eError,eStart,eStart) //08-0f
|
|
};
|
|
|
|
static const PRUint32 GB2312CharLenTable[] = {0, 1, 2, 0};
|
|
|
|
SMModel GB2312SMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, GB2312_cls },
|
|
4,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, GB2312_st },
|
|
GB2312CharLenTable,
|
|
"GB2312",
|
|
};
|
|
*/
|
|
|
|
// the following state machine data was created by perl script in
|
|
// intl/chardet/tools. It should be the same as in PSM detector.
|
|
static PRUint32 GB18030_cls [ 256 / 8 ] = {
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07
|
|
PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
|
|
PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // 30 - 37
|
|
PCK4BITS(3,3,1,1,1,1,1,1), // 38 - 3f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 40 - 47
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 48 - 4f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 50 - 57
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 58 - 5f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 60 - 67
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 68 - 6f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 70 - 77
|
|
PCK4BITS(2,2,2,2,2,2,2,4), // 78 - 7f
|
|
PCK4BITS(5,6,6,6,6,6,6,6), // 80 - 87
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // 88 - 8f
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // 90 - 97
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // 98 - 9f
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // a0 - a7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // a8 - af
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // b0 - b7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // b8 - bf
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // c0 - c7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // c8 - cf
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // d0 - d7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // d8 - df
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // e0 - e7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // e8 - ef
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // f0 - f7
|
|
PCK4BITS(6,6,6,6,6,6,6,0) // f8 - ff
|
|
};
|
|
|
|
|
|
static PRUint32 GB18030_st [ 6] = {
|
|
PCK4BITS(eError,eStart,eStart,eStart,eStart,eStart, 3,eError),//00-07
|
|
PCK4BITS(eError,eError,eError,eError,eError,eError,eItsMe,eItsMe),//08-0f
|
|
PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eError,eError,eStart),//10-17
|
|
PCK4BITS( 4,eError,eStart,eStart,eError,eError,eError,eError),//18-1f
|
|
PCK4BITS(eError,eError, 5,eError,eError,eError,eItsMe,eError),//20-27
|
|
PCK4BITS(eError,eError,eStart,eStart,eStart,eStart,eStart,eStart) //28-2f
|
|
};
|
|
|
|
// To be accurate, the length of class 6 can be either 2 or 4.
|
|
// But it is not necessary to discriminate between the two since
|
|
// it is used for frequency analysis only, and we are validing
|
|
// each code range there as well. So it is safe to set it to be
|
|
// 2 here.
|
|
static const PRUint32 GB18030CharLenTable[] = {0, 1, 1, 1, 1, 1, 2};
|
|
|
|
SMModel GB18030SMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, GB18030_cls },
|
|
7,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, GB18030_st },
|
|
GB18030CharLenTable,
|
|
"GB18030",
|
|
};
|
|
|
|
// sjis
|
|
|
|
static PRUint32 SJIS_cls [ 256 / 8 ] = {
|
|
//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07
|
|
PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
|
|
PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 40 - 47
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 48 - 4f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 50 - 57
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 58 - 5f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 60 - 67
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 68 - 6f
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // 70 - 77
|
|
PCK4BITS(2,2,2,2,2,2,2,1), // 78 - 7f
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // 80 - 87
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // 88 - 8f
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // 90 - 97
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // 98 - 9f
|
|
//0xa0 is illegal in sjis encoding, but some pages does
|
|
//contain such byte. We need to be more error forgiven.
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // a0 - a7
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // a8 - af
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // b0 - b7
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // b8 - bf
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // c0 - c7
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // c8 - cf
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // d0 - d7
|
|
PCK4BITS(2,2,2,2,2,2,2,2), // d8 - df
|
|
PCK4BITS(3,3,3,3,3,3,3,3), // e0 - e7
|
|
PCK4BITS(3,3,3,3,3,4,4,4), // e8 - ef
|
|
PCK4BITS(4,4,4,4,4,4,4,4), // f0 - f7
|
|
PCK4BITS(4,4,4,4,4,0,0,0) // f8 - ff
|
|
};
|
|
|
|
|
|
static PRUint32 SJIS_st [ 3] = {
|
|
PCK4BITS(eError,eStart,eStart, 3,eError,eError,eError,eError),//00-07
|
|
PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f
|
|
PCK4BITS(eItsMe,eItsMe,eError,eError,eStart,eStart,eStart,eStart) //10-17
|
|
};
|
|
|
|
static const PRUint32 SJISCharLenTable[] = {0, 1, 1, 2, 0, 0};
|
|
|
|
SMModel SJISSMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, SJIS_cls },
|
|
6,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, SJIS_st },
|
|
SJISCharLenTable,
|
|
"Shift_JIS",
|
|
};
|
|
|
|
|
|
static PRUint32 UCS2BE_cls [ 256 / 8 ] = {
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 00 - 07
|
|
PCK4BITS(0,0,1,0,0,2,0,0), // 08 - 0f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 10 - 17
|
|
PCK4BITS(0,0,0,3,0,0,0,0), // 18 - 1f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 20 - 27
|
|
PCK4BITS(0,3,3,3,3,3,0,0), // 28 - 2f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 30 - 37
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 38 - 3f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 40 - 47
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 48 - 4f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 50 - 57
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 58 - 5f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 60 - 67
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 68 - 6f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 70 - 77
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 78 - 7f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 80 - 87
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 88 - 8f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 90 - 97
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 98 - 9f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // a0 - a7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // a8 - af
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // b0 - b7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // b8 - bf
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // c0 - c7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // c8 - cf
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // d0 - d7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // d8 - df
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // e0 - e7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // e8 - ef
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // f0 - f7
|
|
PCK4BITS(0,0,0,0,0,0,4,5) // f8 - ff
|
|
};
|
|
|
|
|
|
static PRUint32 UCS2BE_st [ 7] = {
|
|
PCK4BITS( 5, 7, 7,eError, 4, 3,eError,eError),//00-07
|
|
PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f
|
|
PCK4BITS(eItsMe,eItsMe, 6, 6, 6, 6,eError,eError),//10-17
|
|
PCK4BITS( 6, 6, 6, 6, 6,eItsMe, 6, 6),//18-1f
|
|
PCK4BITS( 6, 6, 6, 6, 5, 7, 7,eError),//20-27
|
|
PCK4BITS( 5, 8, 6, 6,eError, 6, 6, 6),//28-2f
|
|
PCK4BITS( 6, 6, 6, 6,eError,eError,eStart,eStart) //30-37
|
|
};
|
|
|
|
static const PRUint32 UCS2BECharLenTable[] = {2, 2, 2, 0, 2, 2};
|
|
|
|
SMModel UCS2BESMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UCS2BE_cls },
|
|
6,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UCS2BE_st },
|
|
UCS2BECharLenTable,
|
|
"UTF-16BE",
|
|
};
|
|
|
|
static PRUint32 UCS2LE_cls [ 256 / 8 ] = {
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 00 - 07
|
|
PCK4BITS(0,0,1,0,0,2,0,0), // 08 - 0f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 10 - 17
|
|
PCK4BITS(0,0,0,3,0,0,0,0), // 18 - 1f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 20 - 27
|
|
PCK4BITS(0,3,3,3,3,3,0,0), // 28 - 2f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 30 - 37
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 38 - 3f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 40 - 47
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 48 - 4f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 50 - 57
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 58 - 5f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 60 - 67
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 68 - 6f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 70 - 77
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 78 - 7f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 80 - 87
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 88 - 8f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 90 - 97
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // 98 - 9f
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // a0 - a7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // a8 - af
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // b0 - b7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // b8 - bf
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // c0 - c7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // c8 - cf
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // d0 - d7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // d8 - df
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // e0 - e7
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // e8 - ef
|
|
PCK4BITS(0,0,0,0,0,0,0,0), // f0 - f7
|
|
PCK4BITS(0,0,0,0,0,0,4,5) // f8 - ff
|
|
};
|
|
|
|
|
|
static PRUint32 UCS2LE_st [ 7] = {
|
|
PCK4BITS( 6, 6, 7, 6, 4, 3,eError,eError),//00-07
|
|
PCK4BITS(eError,eError,eError,eError,eItsMe,eItsMe,eItsMe,eItsMe),//08-0f
|
|
PCK4BITS(eItsMe,eItsMe, 5, 5, 5,eError,eItsMe,eError),//10-17
|
|
PCK4BITS( 5, 5, 5,eError, 5,eError, 6, 6),//18-1f
|
|
PCK4BITS( 7, 6, 8, 8, 5, 5, 5,eError),//20-27
|
|
PCK4BITS( 5, 5, 5,eError,eError,eError, 5, 5),//28-2f
|
|
PCK4BITS( 5, 5, 5,eError, 5,eError,eStart,eStart) //30-37
|
|
};
|
|
|
|
static const PRUint32 UCS2LECharLenTable[] = {2, 2, 2, 2, 2, 2};
|
|
|
|
SMModel UCS2LESMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UCS2LE_cls },
|
|
6,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UCS2LE_st },
|
|
UCS2LECharLenTable,
|
|
"UTF-16LE",
|
|
};
|
|
|
|
|
|
static PRUint32 UTF8_cls [ 256 / 8 ] = {
|
|
//PCK4BITS(0,1,1,1,1,1,1,1), // 00 - 07
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 00 - 07 //allow 0x00 as a legal value
|
|
PCK4BITS(1,1,1,1,1,1,0,0), // 08 - 0f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 10 - 17
|
|
PCK4BITS(1,1,1,0,1,1,1,1), // 18 - 1f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 20 - 27
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 28 - 2f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 30 - 37
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 38 - 3f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 40 - 47
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 48 - 4f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 50 - 57
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 58 - 5f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 60 - 67
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 68 - 6f
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 70 - 77
|
|
PCK4BITS(1,1,1,1,1,1,1,1), // 78 - 7f
|
|
PCK4BITS(2,2,2,2,3,3,3,3), // 80 - 87
|
|
PCK4BITS(4,4,4,4,4,4,4,4), // 88 - 8f
|
|
PCK4BITS(4,4,4,4,4,4,4,4), // 90 - 97
|
|
PCK4BITS(4,4,4,4,4,4,4,4), // 98 - 9f
|
|
PCK4BITS(5,5,5,5,5,5,5,5), // a0 - a7
|
|
PCK4BITS(5,5,5,5,5,5,5,5), // a8 - af
|
|
PCK4BITS(5,5,5,5,5,5,5,5), // b0 - b7
|
|
PCK4BITS(5,5,5,5,5,5,5,5), // b8 - bf
|
|
PCK4BITS(0,0,6,6,6,6,6,6), // c0 - c7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // c8 - cf
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // d0 - d7
|
|
PCK4BITS(6,6,6,6,6,6,6,6), // d8 - df
|
|
PCK4BITS(7,8,8,8,8,8,8,8), // e0 - e7
|
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PCK4BITS(8,8,8,8,8,9,8,8), // e8 - ef
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PCK4BITS(10,11,11,11,11,11,11,11), // f0 - f7
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PCK4BITS(12,13,13,13,14,15,0,0) // f8 - ff
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};
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static PRUint32 UTF8_st [ 26] = {
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PCK4BITS(eError,eStart,eError,eError,eError,eError, 12, 10),//00-07
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PCK4BITS( 9, 11, 8, 7, 6, 5, 4, 3),//08-0f
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//10-17
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//18-1f
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PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe),//20-27
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PCK4BITS(eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe,eItsMe),//28-2f
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PCK4BITS(eError,eError, 5, 5, 5, 5,eError,eError),//30-37
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//38-3f
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PCK4BITS(eError,eError,eError, 5, 5, 5,eError,eError),//40-47
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//48-4f
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PCK4BITS(eError,eError, 7, 7, 7, 7,eError,eError),//50-57
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//58-5f
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PCK4BITS(eError,eError,eError,eError, 7, 7,eError,eError),//60-67
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//68-6f
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PCK4BITS(eError,eError, 9, 9, 9, 9,eError,eError),//70-77
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//78-7f
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PCK4BITS(eError,eError,eError,eError,eError, 9,eError,eError),//80-87
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//88-8f
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PCK4BITS(eError,eError, 12, 12, 12, 12,eError,eError),//90-97
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//98-9f
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PCK4BITS(eError,eError,eError,eError,eError, 12,eError,eError),//a0-a7
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//a8-af
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PCK4BITS(eError,eError, 12, 12, 12,eError,eError,eError),//b0-b7
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError),//b8-bf
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PCK4BITS(eError,eError,eStart,eStart,eStart,eStart,eError,eError),//c0-c7
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PCK4BITS(eError,eError,eError,eError,eError,eError,eError,eError) //c8-cf
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};
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static const PRUint32 UTF8CharLenTable[] = {0, 1, 0, 0, 0, 0, 2, 3,
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3, 3, 4, 4, 5, 5, 6, 6 };
|
|
|
|
SMModel UTF8SMModel = {
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UTF8_cls },
|
|
16,
|
|
{eIdxSft4bits, eSftMsk4bits, eBitSft4bits, eUnitMsk4bits, UTF8_st },
|
|
UTF8CharLenTable,
|
|
"UTF-8",
|
|
};
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|
|