📄 gb2big5decoder.cpp
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// vi:ts=4:shiftwidth=4:expandtab/*************************************************************************** gb2big5decoder.cpp - description ------------------- begin : Thu Jul 19 2001 copyright : (C) 2001 by ejoy email : ejoy@users.sourceforge.net ***************************************************************************//*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * ***************************************************************************/#include "gb2big5decoder.h"GB2BIG5Decoder::GB2BIG5Decoder() {}GB2BIG5Decoder::~GB2BIG5Decoder() {}#define GtoB_bad1 0xa1#define GtoB_bad2 0xbcunsigned int GB2BIG5Decoder::Index(char c1, char c2) { unsigned int i; //convert gb to big5 if ((c2 >= 0xa1) && (c2 <= 0xfe)) { if ((c1 >= 0xa1) && (c1 <= 0xa9)) { i = ((c1 - 0xa1) * 94 + (c2 - 0xa1)) * 2; c1 = GtoB[i++]; c2 = GtoB[i]; } else if ((c1 >= 0xb0) && (c1 <= 0xf7)) { i = ((c1 - 0xb0 + 9) * 94 + (c2 - 0xa1)) * 2; c1 = GtoB[i++]; c2 = GtoB[i]; } } else { c1 = GtoB_bad1; c2 = GtoB_bad2; } //return big5 index return (c1 - 0xa1) * (0xff - 0x40) + c2 - 0x40;}char GB2BIG5Decoder::GtoB[] = {0xa1,0x40, 0xa1,0x42, 0xa1,0x43, 0xa1,0x4f, 0xa1,0xc2, 0xa1,0xbc, 0xa1,0x4c,0xa1,0xb2, 0xa1,0xbc, 0xa2,0x77, 0xa1,0xe3, 0xa1,0xfc, 0xa1,0x4b, 0xa1,0xa5,0xa1,0xa6, 0xa1,0xa7, 0xa1,0xa8, 0xa1,0x65, 0xa1,0x66, 0xa1,0x71, 0xa1,0x72,0xa1,0x6d, 0xa1,0x6e, 0xa1,0x75, 0xa1,0x76, 0xa1,0x79, 0xa1,0x7a, 0xa1,0xbc,0xa1,0xbc, 0xa1,0x69, 0xa1,0x6a, 0xa1,0xd3, 0xa1,0xd1, 0xa1,0xd2, 0xa1,0x4a,0xa3,0x4e, 0xa1,0xbc, 0xa3,0x55, 0xa3,0x53, 0xa1,0xe5, 0xa1,0xe4, 0xa1,0xbc,0xa1,0xbc, 0xa1,0xd4, 0xa1,0xbc, 0xa1,0xbc, 0xa1,0xe7, 0xa1,0xbc, 0xa1,0xf3,0xa1,0xec, 0xa1,0xed, 0xa1,0xdd, 0xa1,0xbc, 0xa1,0xdc, 0xa1,0xbc, 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