libjava/gnu/gcj/convert/gen-from-JIS.c

   1 /* Copyright (C) 1999  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 #include <stdio.h>
  10 struct chval
  11 {
  12   unsigned char b1;            /* 1st byte */
  13   unsigned char b2;            /* 2nd byte */
  14   unsigned short uc;  /* unicode value */
  15 };
  16
  17 #define MAP(B1, B2, C) { B1, B2, C },
  18
  19 struct chval chtab_0201[] = {
  20 #include "JIS0201.h"
  21   { 255, 255, 0}
  22 };
  23
  24 struct chval chtab_0208[] = {
  25 #include "JIS0208.h"
  26   { 255, 255, 0}
  27 };
  28
  29 struct chval chtab_0212[] = {
  30 #include "JIS0212.h"
  31   { 255, 255, 0}
  32 };
  33 #undef MAP
  34
  35 struct chval sorted[] = {
  36 #define MAP(B1, B2, C) { B1, B2, C },
  37 #include "JIS0208.h"
  38 #undef MAP
  39 #define MAP(B1, B2, C) { 0x80|B1, B2, C },
  40 #include "JIS0212.h"
  41 #undef MAP
  42 };
  43
  44 struct chval *chtab;
  45
  46 int
  47 compare (void *p1, void *p2)
  48 {
  49   struct chval *c1 = (struct chval *) p1;
  50   struct chval *c2 = (struct chval *) p2;
  51   return (int) c1->uc - (int) c2->uc;
  52 }
  53
  54 int
  55 main(int argc, char** argv)
  56 {
  57   FILE *out = stdout;
  58   int min1 = 256, max1 = 0, min2 = 256, max2 = 0, count = 0;
  59   int low1_uc = 0xFFFF, high1_uc = 0;
  60   int low2_uc = 0xFFFF, high2_uc = 0;
  61   int i;  int row, col;
  62   if (strcmp (argv[1], "JIS0208") == 0)
  63     chtab = chtab_0208;
  64   else if (strcmp (argv[1], "JIS0212") == 0)
  65     chtab = chtab_0212;
  66   else if (strcmp (argv[1], "toJIS") == 0)
  67     {
  68       int i;
  69       for (i = 0;  chtab_0201[i].b1 != 255;  i++)
  70         {
  71           enter(chtab_0201[i].uc, chtab_0201[i].b2);
  72         }
  73       for (i = 0;  i < 0x20;  i++)
  74         {
  75           enter (i, i);
  76         }
  77       enter (127, 127);
  78       for (i = 0;  chtab_0208[i].b1 != 255;  i++)
  79         {
  80           enter(chtab_0208[i].uc,
  81                 (chtab_0208[i].b1 << 8) | chtab_0208[i].b2);
  82         }
  83       for (i = 0;  chtab_0212[i].b1 != 255;  i++)
  84         {
  85           enter(chtab_0212[i].uc,
  86                 0x8000 | (chtab_0212[i].b1 << 8) | chtab_0212[i].b2);
  87         }
  88       print_table ("Unicode_to_JIS", stdout);
  89       exit(0);
  90     }
  91   else
  92     {
  93       fprintf (stderr, "bad argument!");
  94       exit (-1);
  95     }
  96   for (i = 0;  chtab[i].b1 != 255; i++)
  97     {
  98       if (chtab[i].b1 < min1) min1 = chtab[i].b1;
  99       if (chtab[i].b2 < min2) min2 = chtab[i].b2;
 100       if (chtab[i].b1 > max1) max1 = chtab[i].b1;
 101       if (chtab[i].b2 > max2) max2 = chtab[i].b2;
 102       count++;
 103     }
 104   fprintf(stderr, "1st byte ranges from %d to %d.\n", min1, max1);
 105   fprintf(stderr, "2nd byte ranges from %d to %d.\n", min2, max2);
 106
 107   fprintf(out,"/* This file is automatically generated from %s.TXT. */\n",
 108           argv[1]);
 109   fprintf(out,"#pragma GCC java_exceptions\n",
 110           argv[1]);
 111   fprintf(out, "unsigned short %s_to_Unicode[%d][%d] = {\n",
 112           argv[1], max1 - min1 + 1,  max2 - min2 + 1);
 113   i = 0;
 114   for (row = min1;  row <= max1;  row++)
 115     {
 116       fprintf(out, "/* 1st byte: %d */ { ", row);
 117       if (row < chtab[i].b1)
 118         {
 119           fprintf(out, "0 }, /* unused row */\n");
 120         }
 121       else if (row > chtab[i].b1)
 122         {
 123           fprintf (stderr, "error - char table out of order!\n");
 124           exit (-1);
 125         }
 126       else
 127         {
 128           fprintf(out, "\n");
 129           for (col = min2;  col <= max2;  col++)
 130             {
 131               if (row == chtab[i].b1 && col == chtab[i].b2)
 132                 {
 133                   int uc = chtab[i].uc;
 134                   if (uc < 0x2000)
 135                     {
 136                       if (uc > high1_uc)
 137                         high1_uc = uc;
 138                       if (uc < low1_uc)
 139                         low1_uc = uc;
 140                     }
 141                   else
 142                     {
 143                       if (uc > high2_uc)
 144                         high2_uc = uc;
 145                       if (uc < low2_uc)
 146                         low2_uc = uc;
 147                     }
 148                   fprintf (out, "  /* 2nd byte: %d */ 0x%04x",
 149                            chtab[i].b2, uc);
 150                   i++;
 151                 }
 152               else if (row < chtab[i].b1
 153                   || (row == chtab[i].b1 && col < chtab[i].b2))
 154                 {
 155                   fprintf (out, "  0");
 156                 }
 157               else
 158                 {
 159                   fprintf (stderr, "error - char table our of order!\n");
 160                   exit (-1);
 161                 }
 162               if (col != max2)
 163                 fprintf (out, ",\n");
 164             }
 165           fprintf(out, row == max1 ? "}\n" : "},\n");
 166         }
 167     }
 168   fprintf(out, "};\n");
 169   fprintf(stderr, "total number of characters is %d.\n", count);
 170   fprintf(stderr, "Range is 0x%04x-0x%04x and 0x%04x-0x%04x.\n",
 171           low1_uc, high1_uc, low2_uc, high2_uc);
 172   return 0;
 173 }