ccsbcs.c File Reference

#include "../ff.h"

Functions
WCHAR	ff_convert (WCHAR chr, UINT dir)
WCHAR	ff_wtoupper (WCHAR chr)

Function Documentation

ff_convert()

WCHAR ff_convert	(	WCHAR	chr,
		UINT	dir
	)

{
    WCHAR c;
 
 
    if (chr < 0x80) {   /* ASCII */
        c = chr;
 
    } else {
        if (dir) {      /* OEM code to Unicode */
            c = (chr >= 0x100) ? 0 : Tbl[chr - 0x80];
 
        } else {        /* Unicode to OEM code */
            for (c = 0; c < 0x80; c++) {
                if (chr == Tbl[c]) break;
            }
            c = (c + 0x80) & 0xFF;
        }
    }
 
    return c;
}

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ff_wtoupper()

WCHAR ff_wtoupper

(

WCHAR

chr

)

{
    /* Compressed upper conversion table */
    static const WCHAR cvt1[] = {   /* U+0000 - U+0FFF */
        /* Basic Latin */
        0x0061,0x031A,
        /* Latin-1 Supplement */
        0x00E0,0x0317,  0x00F8,0x0307,  0x00FF,0x0001,0x0178,
        /* Latin Extended-A */
        0x0100,0x0130,  0x0132,0x0106,  0x0139,0x0110,  0x014A,0x012E,  0x0179,0x0106,
        /* Latin Extended-B */
        0x0180,0x004D,0x0243,0x0181,0x0182,0x0182,0x0184,0x0184,0x0186,0x0187,0x0187,0x0189,0x018A,0x018B,0x018B,0x018D,0x018E,0x018F,0x0190,0x0191,0x0191,0x0193,0x0194,0x01F6,0x0196,0x0197,0x0198,0x0198,0x023D,0x019B,0x019C,0x019D,0x0220,0x019F,0x01A0,0x01A0,0x01A2,0x01A2,0x01A4,0x01A4,0x01A6,0x01A7,0x01A7,0x01A9,0x01AA,0x01AB,0x01AC,0x01AC,0x01AE,0x01AF,0x01AF,0x01B1,0x01B2,0x01B3,0x01B3,0x01B5,0x01B5,0x01B7,0x01B8,0x01B8,0x01BA,0x01BB,0x01BC,0x01BC,0x01BE,0x01F7,0x01C0,0x01C1,0x01C2,0x01C3,0x01C4,0x01C5,0x01C4,0x01C7,0x01C8,0x01C7,0x01CA,0x01CB,0x01CA,
        0x01CD,0x0110,  0x01DD,0x0001,0x018E,  0x01DE,0x0112,  0x01F3,0x0003,0x01F1,0x01F4,0x01F4,  0x01F8,0x0128,
        0x0222,0x0112,  0x023A,0x0009,0x2C65,0x023B,0x023B,0x023D,0x2C66,0x023F,0x0240,0x0241,0x0241,  0x0246,0x010A,
        /* IPA Extensions */
        0x0253,0x0040,0x0181,0x0186,0x0255,0x0189,0x018A,0x0258,0x018F,0x025A,0x0190,0x025C,0x025D,0x025E,0x025F,0x0193,0x0261,0x0262,0x0194,0x0264,0x0265,0x0266,0x0267,0x0197,0x0196,0x026A,0x2C62,0x026C,0x026D,0x026E,0x019C,0x0270,0x0271,0x019D,0x0273,0x0274,0x019F,0x0276,0x0277,0x0278,0x0279,0x027A,0x027B,0x027C,0x2C64,0x027E,0x027F,0x01A6,0x0281,0x0282,0x01A9,0x0284,0x0285,0x0286,0x0287,0x01AE,0x0244,0x01B1,0x01B2,0x0245,0x028D,0x028E,0x028F,0x0290,0x0291,0x01B7,
        /* Greek, Coptic */
        0x037B,0x0003,0x03FD,0x03FE,0x03FF,  0x03AC,0x0004,0x0386,0x0388,0x0389,0x038A,  0x03B1,0x0311,
        0x03C2,0x0002,0x03A3,0x03A3,  0x03C4,0x0308,  0x03CC,0x0003,0x038C,0x038E,0x038F,  0x03D8,0x0118,
        0x03F2,0x000A,0x03F9,0x03F3,0x03F4,0x03F5,0x03F6,0x03F7,0x03F7,0x03F9,0x03FA,0x03FA,
        /* Cyrillic */
        0x0430,0x0320,  0x0450,0x0710,  0x0460,0x0122,  0x048A,0x0136,  0x04C1,0x010E,  0x04CF,0x0001,0x04C0,  0x04D0,0x0144,
        /* Armenian */
        0x0561,0x0426,
 
        0x0000
    };
    static const WCHAR cvt2[] = {   /* U+1000 - U+FFFF */
        /* Phonetic Extensions */
        0x1D7D,0x0001,0x2C63,
        /* Latin Extended Additional */
        0x1E00,0x0196,  0x1EA0,0x015A,
        /* Greek Extended */
        0x1F00,0x0608,  0x1F10,0x0606,  0x1F20,0x0608,  0x1F30,0x0608,  0x1F40,0x0606,
        0x1F51,0x0007,0x1F59,0x1F52,0x1F5B,0x1F54,0x1F5D,0x1F56,0x1F5F,  0x1F60,0x0608,
        0x1F70,0x000E,0x1FBA,0x1FBB,0x1FC8,0x1FC9,0x1FCA,0x1FCB,0x1FDA,0x1FDB,0x1FF8,0x1FF9,0x1FEA,0x1FEB,0x1FFA,0x1FFB,
        0x1F80,0x0608,  0x1F90,0x0608,  0x1FA0,0x0608,  0x1FB0,0x0004,0x1FB8,0x1FB9,0x1FB2,0x1FBC,
        0x1FCC,0x0001,0x1FC3,  0x1FD0,0x0602,  0x1FE0,0x0602,  0x1FE5,0x0001,0x1FEC,  0x1FF2,0x0001,0x1FFC,
        /* Letterlike Symbols */
        0x214E,0x0001,0x2132,
        /* Number forms */
        0x2170,0x0210,  0x2184,0x0001,0x2183,
        /* Enclosed Alphanumerics */
        0x24D0,0x051A,  0x2C30,0x042F,
        /* Latin Extended-C */
        0x2C60,0x0102,  0x2C67,0x0106, 0x2C75,0x0102,
        /* Coptic */
        0x2C80,0x0164,
        /* Georgian Supplement */
        0x2D00,0x0826,
        /* Full-width */
        0xFF41,0x031A,
 
        0x0000
    };
    const WCHAR *p;
    WCHAR bc, nc, cmd;
 
 
    p = chr < 0x1000 ? cvt1 : cvt2;
    for (;;) {
        bc = *p++;                              /* Get block base */
        if (!bc || chr < bc) break;
        nc = *p++; cmd = nc >> 8; nc &= 0xFF;   /* Get processing command and block size */
        if (chr < bc + nc) {    /* In the block? */
            switch (cmd) {
            case 0: chr = p[chr - bc]; break;       /* Table conversion */
            case 1: chr -= (chr - bc) & 1; break;   /* Case pairs */
            case 2: chr -= 16; break;               /* Shift -16 */
            case 3: chr -= 32; break;               /* Shift -32 */
            case 4: chr -= 48; break;               /* Shift -48 */
            case 5: chr -= 26; break;               /* Shift -26 */
            case 6: chr += 8; break;                /* Shift +8 */
            case 7: chr -= 80; break;               /* Shift -80 */
            case 8: chr -= 0x1C60; break;           /* Shift -0x1C60 */
            }
            break;
        }
        if (!cmd) p += nc;
    }
 
    return chr;
}

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