libkcc/dec.c

   1 #include "libkcc.h"
   2
   3 /*---------------------------------------------------------------------
   4     TYPE
   5         table
   6     NAME
   7         katakana, hiragana, dakuon - JIS X0201 kana to JIS kanji in DEC
   8  ---------------------------------------------------------------------*/
   9 unsigned short katakana[] = {
  10     0,      0xa1a3, 0xa1d6, 0xa1d7, 0xa1a2, 0xa1a6, 0xa5f2, 0xa5a1,
  11     0xa5a3, 0xa5a5, 0xa5a7, 0xa5a9, 0xa5e3, 0xa5e5, 0xa5e7, 0xa5c3,
  12     0xa1bc, 0xa5a2, 0xa5a4, 0xa5a6, 0xa5a8, 0xa5aa, 0xa5ab, 0xa5ad,
  13     0xa5af, 0xa5b1, 0xa5b3, 0xa5b5, 0xa5b7, 0xa5b9, 0xa5bb, 0xa5bd,
  14     0xa5bf, 0xa5c1, 0xa5c4, 0xa5c6, 0xa5c8, 0xa5ca, 0xa5cb, 0xa5cc,
  15     0xa5cd, 0xa5ce, 0xa5cf, 0xa5d2, 0xa5d5, 0xa5d8, 0xa5db, 0xa5de,
  16     0xa5df, 0xa5e0, 0xa5e1, 0xa5e2, 0xa5e4, 0xa5e6, 0xa5e8, 0xa5e9,
  17     0xa5ea, 0xa5eb, 0xa5ec, 0xa5ed, 0xa5ef, 0xa5f3, 0xa1ab, 0xa1ac,
  18 };
  19
  20 unsigned short hiragana[] = {
  21     0,      0xa1a3, 0xa1d6, 0xa1d7, 0xa1a2, 0xa1a6, 0xa4f2, 0xa4a1,
  22     0xa4a3, 0xa4a5, 0xa4a7, 0xa4a9, 0xa4e3, 0xa4e5, 0xa4e7, 0xa4c3,
  23     0xa1bc, 0xa4a2, 0xa4a4, 0xa4a6, 0xa4a8, 0xa4aa, 0xa4ab, 0xa4ad,
  24     0xa4af, 0xa4b1, 0xa4b3, 0xa4b5, 0xa4b7, 0xa4b9, 0xa4bb, 0xa4bd,
  25     0xa4bf, 0xa4c1, 0xa4c4, 0xa4c6, 0xa4c8, 0xa4ca, 0xa4cb, 0xa4cc,
  26     0xa4cd, 0xa4ce, 0xa4cf, 0xa4d2, 0xa4d5, 0xa4d8, 0xa4db, 0xa4de,
  27     0xa4df, 0xa4e0, 0xa4e1, 0xa4e2, 0xa4e4, 0xa4e6, 0xa4e8, 0xa4e9,
  28     0xa4ea, 0xa4eb, 0xa4ec, 0xa4ed, 0xa4ef, 0xa4f3, 0xa1ab, 0xa1ac,
  29 };
  30
  31 unsigned char dakuon[] = {
  32     0,      0,      0,      0,      0,      0,      0,      0,
  33     0,      0,      0,      0,      0,      0,      0,      0,
  34     0,      0,      0,      0,      0,      0,      1,      1,
  35     1,      1,      1,      1,      1,      1,      1,      1,
  36     1,      1,      1,      1,      1,      0,      0,      0,
  37     0,      0,      3,      3,      3,      3,      3,      0,
  38     0,      0,      0,      0,      0,      0,      0,      0,
  39     0,      0,      0,      0,      0,      0,      0,      0,
  40 };
  41
  42 /*********************************************************/
  43 unsigned short *kanatbl = katakana;
  44 int lastkana=0;
  45 extern bool nogaiji;
  46
  47 /*---------------------------------------------------------------------
  48     NAME
  49         decascii
  50  ---------------------------------------------------------------------*/
  51 void Kcc_decascii(ddd, c)
  52     register int c;
  53     char **ddd;
  54 {
  55     if (lastkana) {
  56         **ddd = kanatbl[lastkana] >> 8; (*ddd)++;
  57         **ddd = kanatbl[lastkana] & 0xff; (*ddd)++;
  58         lastkana = 0;
  59     }
  60     **ddd = c; (*ddd)++;
  61 }
  62
  63 /*---------------------------------------------------------------------
  64     NAME
  65         decgaiji
  66  ---------------------------------------------------------------------*/
  67 void Kcc_decgaiji(ddd, c1, c2)
  68     register int c1, c2;
  69     char **ddd;
  70 {
  71     if (lastkana) {
  72         **ddd = kanatbl[lastkana] >> 8; (*ddd)++;
  73         **ddd = kanatbl[lastkana] & 0xff; (*ddd)++;
  74         lastkana = 0;
  75     }
  76     if (nogaiji) {
  77         **ddd = ZENPAD >> 8 | 0x80; (*ddd)++;
  78         **ddd = (ZENPAD & 0xff) | 0x80; (*ddd)++;
  79     } else {
  80         **ddd = c1 | 0x80; (*ddd)++;
  81         **ddd = c2; (*ddd)++;
  82     }
  83 }
  84
  85 /*---------------------------------------------------------------------
  86     NAME
  87         deckana
  88  ---------------------------------------------------------------------*/
  89 void Kcc_deckana(ddd, c)
  90     register int c;
  91     char **ddd;
  92 {
  93     register int cc;
  94     int i;
  95     extern unsigned char dakuon[];
  96
  97     if (lastkana) {
  98         cc = kanatbl[lastkana];
  99         if ((c == 0x5e || c == 0x5f) &&
 100                 (i = dakuon[lastkana] & (c == 0x5e ? 1 : 2))) {
 101             cc += i;
 102             c = -1;
 103         }
 104         **ddd = cc >> 8; (*ddd)++;
 105         **ddd = cc & 0xff; (*ddd)++;
 106     }
 107     if (c < 0x21 || 0x5f < c) {
 108         if (c > 0) {
 109             **ddd = ZENPAD >> 8; (*ddd)++;
 110             **ddd = ZENPAD & 0xff; (*ddd)++;
 111         }
 112         lastkana = 0;
 113     } else
 114         lastkana = c - 0x20;
 115 }
 116 /*---------------------------------------------------------------------
 117     NAME
 118         deckanji
 119  ---------------------------------------------------------------------*/
 120 void Kcc_deckanji(ddd, c1, c2)
 121     register int c1, c2;
 122     char **ddd;
 123 {
 124     if (lastkana) {
 125         **ddd = kanatbl[lastkana] >> 8; (*ddd)++;
 126         **ddd = kanatbl[lastkana] & 0xff; (*ddd)++;
 127         lastkana = 0;
 128     }
 129     **ddd = c1 | 0x80; (*ddd)++;
 130     **ddd = c2 | 0x80; (*ddd)++;
 131 }
 132