Big5-GB-Unicode互相转换程序.zip_GB unicode_between_big5_big5 gb_big5 t

/************************************************************************ * * Module name : Big5Unicode.cpp * * Module description : * Convert encoding method between BIG5 and Unicode. * * Project : Generic * * Target platform : Win32 * * Compiler & Library : Visual C++ 6.0 * * Author : Richard Shen * * Creation date : 09 October, 2000 * ************************************************************************/ #include <windows.h> #include "GBBig5Unicode.h" // These "extern"s are actually in this file extern const unsigned char b2uTable[]; extern const long b2uCount; extern const unsigned char u2bTable[]; extern const long u2bCount; /************************************************************************ * Function name : Big5CodeToUnicode * Description : Map BIG5 code to Unicode. * : * Parameters : b5Code - The BIG5 code. * Returns : The mapped Unicode. NULL if error. * Author : Richard Shen * ---------------------------------------------------------------------- * Date By Description * ---------------------------------------------------------------------- * 09Oct00 RCS Created. ************************************************************************/ const unsigned char *Big5CodeToUnicode(unsigned char *b5Code) { const unsigned char *mapped = 0; unsigned int i; if ((*b5Code >= 0xa1) && (*b5Code <= 0xfe)) { if ((*(b5Code + 1) >= 0x40) && (*(b5Code + 1) <= 0x7e)) { i = ((*b5Code - 0xa1) * 157 + (*(b5Code + 1) - 0x40)) * 2; mapped = &b2uTable[i]; } /* end of if */ else if ((*(b5Code + 1) >= 0xa1) && (*(b5Code + 1) <= 0xfe)) { i = ((*b5Code - 0xa1) * 157 + (*(b5Code + 1) - 0xa1 ) + 63) * 2; mapped = &b2uTable[i]; } /* end of if */ } /* end of if */ return mapped; } // Big5CodeToUnicode() /************************************************************************ * Function name : UnicodeToBig5Code * Description : Map Unicode to BIG5 code. * : * Parameters : unicode - The Unicode. * Returns : The mapped GBCode. NULL if error. * Author : Richard Shen * ---------------------------------------------------------------------- * Date By Description * ---------------------------------------------------------------------- * 09Oct00 RCS Created. ************************************************************************/ const unsigned char *UnicodeToBig5Code(unsigned char *unicode) { unsigned int i; i = ((*unicode << 8) + *(unicode + 1)) * 2; return &u2bTable[i]; } // UnicodeToBig5Code() /************************************************************************ * Function name : IsBig5Code * Description : Check whether it is a BIG5 code. * : * Parameters : b5Code - The code (2 bytes). * Returns : TRUE - Is BIG5 code. * : FALSE - Non BIG5 code. * Author : Richard Shen * ---------------------------------------------------------------------- * Date By Description * ---------------------------------------------------------------------- * 20Oct00 RCS Created. ************************************************************************/ BOOL IsBig5Code(unsigned char *b5Code) { BOOL answer = FALSE; if ((*b5Code >= 0xa1) && (*b5Code <= 0xfe)) { if ((*(b5Code + 1) >= 0x40) && (*(b5Code + 1) <= 0x7e)) answer = TRUE; else if ((*(b5Code + 1) >= 0xa1) && (*(b5Code + 1) <= 0xfe)) answer = TRUE; } /* end of if */ return answer; } // IsBig5Code() /************************************************************************ * BIG5 to Unicode mapping * ************************************************************************/ const unsigned char b2uTable[] = { 0x30,0x00, 0xff,0x0c, 0x30,0x01, 0x30,0x02, 0xff,0x0e, 0x20,0x22, 0xff,0x1b, 0xff,0x1a, 0xff,0x1f, 0xff,0x01, 0xfe,0x30, 0x20,0x26, 0x20,0x25, 0xfe,0x50, 0xff,0x64, 0xfe,0x52, 0x00,0xb7, 0xfe,0x54, 0xfe,0x55, 0xfe,0x56, 0xfe,0x57, 0xff,0x5c, 0x20,0x13, 0xfe,0x31, 0x20,0x14, 0xfe,0x33, 0xff,0xfd, 0xfe,0x34, 0xfe,0x4f, 0xff,0x08, 0xff,0x09, 0xfe,0x35, 0xfe,0x36, 0xff,0x5b, 0xff,0x5d, 0xfe,0x37, 0xfe,0x38, 0x30,0x14, 0x30,0x15, 0xfe,0x39, 0xfe,0x3a, 0x30,0x10, 0x30,0x11, 0xfe,0x3b, 0xfe,0x3c, 0x30,0x0a, 0x30,0x0b, 0xfe,0x3d, 0xfe,0x3e, 0x30,0x08, 0x30,0x09, 0xfe,0x3f, 0xfe,0x40, 0x30,0x0c, 0x30,0x0d, 0xfe,0x41, 0xfe,0x42, 0x30,0x0e, 0x30,0x0f, 0xfe,0x43, 0xfe,0x44, 0xfe,0x59, 0xfe,0x5a, 0xfe,0x5b, 0xfe,0x5c, 0xfe,0x5d, 0xfe,0x5e, 0x20,0x18, 0x20,0x19, 0x20,0x1c, 0x20,0x1d, 0x30,0x1d, 0x30,0x1e, 0x20,0x35, 0x20,0x32, 0xff,0x03, 0xff,0x06, 0xff,0x0a, 0x20,0x3b, 0x00,0xa7, 0x30,0x03, 0x25,0xcb, 0x25,0xcf, 0x25,0xb3, 0x25,0xb2, 0x25,0xce, 0x26,0x06, 0x26,0x05, 0x25,0xc7, 0x25,0xc6, 0x25,0xa1, 0x25,0xa0, 0x25,0xbd, 0x25,0xbc, 0x32,0xa3, 0x21,0x05, 0x20,0x3e, 0xff,0xfd, 0xff,0x3f, 0xff,0xfd, 0xfe,0x49, 0xfe,0x4a, 0xfe,0x4d, 0xfe,0x4e, 0xfe,0x4b, 0xfe,0x4c, 0xfe,0x5f, 0xfe,0x60, 0xfe,0x61, 0xff,0x0b, 0xff,0x0d, 0x00,0xd7, 0x00,0xf7, 0x00,0xb1, 0x22,0x1a, 0xff,0x1c, 0xff,0x1e, 0xff,0x1d, 0x22,0x66, 0x22,0x67, 0x22,0x60, 0x22,0x1e, 0x22,0x52, 0x22,0x61, 0xfe,0x62, 0xfe,0x63, 0xfe,0x64, 0xfe,0x65, 0xfe,0x66, 0x22,0x3c, 0x22,0x29, 0x22,0x2a, 0x22,0xa5, 0x22,0x20, 0x22,0x1f, 0x22,0xbf, 0x33,0xd2, 0x33,0xd1, 0x22,0x2b, 0x22,0x2e, 0x22,0x35, 0x22,0x34, 0x26,0x40, 0x26,0x42, 0x26,0x41, 0x26,0x09, 0x21,0x91, 0x21,0x93, 0x21,0x90, 0x21,0x92, 0x21,0x96, 0x21,0x97, 0x21,0x99, 0x21,0x98, 0x22,0x25, 0x22,0x23, 0xff,0xfd, 0xff,0xfd, 0xff,0x0f, 0xff,0x3c, 0xff,0x04, 0x00,0xa5, 0x30,0x12, 0x00,0xa2, 0x00,0xa3, 0xff,0x05, 0xff,0x20, 0x21,0x03, 0x21,0x09, 0xfe,0x69, 0xfe,0x6a, 0xfe,0x6b, 0x33,0xd5, 0x33,0x9c, 0x33,0x9d, 0x33,0x9e, 0x33,0xce, 0x33,0xa1, 0x33,0x8e, 0x33,0x8f, 0x33,0xc4, 0x00,0xb0, 0x51,0x59, 0x51,0x5b, 0x51,0x5e, 0x51,0x5d, 0x51,0x61, 0x51,0x63, 0x55,0xe7, 0x74,0xe9, 0x7c,0xce, 0x25,0x81, 0x25,0x82, 0x25,0x83, 0x25,0x84, 0x25,0x85, 0x25,0x86, 0x25,0x87, 0x25,0x88, 0x25,0x8f, 0x25,0x8e, 0x25,0x8d, 0x25,0x8c, 0x25,0x8b, 0x25,0x8a, 0x25,0x89, 0x25,0x3c, 0x25,0x34, 0x25,0x2c, 0x25,0x24, 0x25,0x1c, 0x25,0x94, 0x25,0x00, 0x25,0x02, 0x25,0x95, 0x25,0x0c, 0x25,0x10, 0x25,0x14, 0x25,0x18, 0x25,0x6d, 0x25,0x6e, 0x25,0x70, 0x25,0x6f, 0x25,0x50, 0x25,0x5e, 0x25,0x6a, 0x25,0x61, 0x25,0xe2, 0x25,0xe3, 0x25,0xe5, 0x25,0xe4, 0x25,0x71, 0x25,0x72, 0x25,0x73, 0xff,0x10, 0xff,0x11, 0xff,0x12, 0xff,0x13, 0xff,0x14, 0xff,0x15, 0xff,0x16, 0xff,0x17, 0xff,0x18, 0xff,0x19, 0x21,0x60, 0x21,0x61, 0x21,0x62, 0x21,0x63, 0x21,0x64, 0x21,0x65, 0x21,0x66, 0x21,0x67, 0x21,0x68, 0x21,0x69, 0x30,0x21, 0x30,0x22, 0x30,0x23, 0x30,0x24, 0x30,0x25, 0x30,0x26, 0x30,0x27, 0x30,0x28, 0x30,0x29, 0xff,0xfd, 0x53,0x44, 0xff,0xfd, 0xff,0x21, 0xff,0x22, 0xff,0x23, 0xff,0x24, 0xff,0x25, 0xff,0x26, 0xff,0x27, 0xff,0x28, 0xff,0x29, 0xff,0x2a, 0xff,0x2b, 0xff,0x2c, 0xff,0x2d, 0xff,0x2e, 0xff,0x2f, 0xff,0x30, 0xff,0x31, 0xff,0x32, 0xff,0x33, 0xff,0x34, 0xff,0x35, 0xff,0x36, 0xff,0x37, 0xff,0x38, 0xff,0x39, 0xff,0x3a, 0xff,0x41, 0xff,0x42, 0xff,0x43, 0xff,0x44, 0xff,0x45, 0xff,0x46, 0xff,0x47, 0xff,0x48, 0xff,0x49, 0xff,0x4a, 0xff,0x4b, 0xff,0x4c, 0xff,0x4d, 0xff,0x4e, 0xff,0x4f, 0xff,0x50, 0xff,0x51, 0xff,0x52, 0xff,0x53, 0xff,0x54, 0xff,0x55, 0xff,0x56, 0xff,0x57, 0xff,0x58, 0xff,0x59, 0xff,0x5a, 0x03,0x91, 0x03,0x92, 0x03,0x93, 0x03,0x94, 0x03,0x95, 0x03,0x96, 0x03,0x97, 0x03,0x98, 0x03,0x99, 0x03,0x9a, 0x03,0x9b, 0x03,0x9c, 0x03,0x9d, 0x03,0x9e,