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/* Copyright (C) 1999, 2008  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the

Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for

details.  */

#include <stdio.h>

#include <string.h>

#include <stdlib.h>

#include "make-trie.h"

struct chval

{

  unsigned char b1;            /* 1st byte */

  unsigned char b2;            /* 2nd byte */

  unsigned short uc;  /* unicode value */

};

#define MAP(B1, B2, C) { B1, B2, C },

struct chval chtab_0201[] = {

#include "JIS0201.h"

  { 255, 255, 0}

};

struct chval chtab_0208[] = {

#include "JIS0208.h"

  { 255, 255, 0}

};

struct chval chtab_0212[] = {

#include "JIS0212.h"

  { 255, 255, 0}

};

#undef MAP

struct chval sorted[] = {

#define MAP(B1, B2, C) { B1, B2, C },

#include "JIS0208.h"

#undef MAP

#define MAP(B1, B2, C) { 0x80|B1, B2, C },

#include "JIS0212.h"

#undef MAP

};

struct chval *chtab;

int

compare (void *p1, void *p2)

{

  struct chval *c1 = (struct chval *) p1;

  struct chval *c2 = (struct chval *) p2;

  return (int) c1->uc - (int) c2->uc;

}

int

main(int argc, char** argv)

{

  FILE *out = stdout;

  int min1 = 256, max1 = 0, min2 = 256, max2 = 0, count = 0;

  int low1_uc = 0xFFFF, high1_uc = 0;

  int low2_uc = 0xFFFF, high2_uc = 0;

  int i;  int row, col;

  if (argc < 2)

    {

      fprintf (stderr, "missing argument!\n");

      exit (-1);

    }

  if (strcmp (argv[1], "JIS0208") == 0)

    chtab = chtab_0208;

  else if (strcmp (argv[1], "JIS0212") == 0)

    chtab = chtab_0212;

  else if (strcmp (argv[1], "toJIS") == 0)

    {

      int i;

      for (i = 0;  chtab_0201[i].b1 != 255;  i++)

        {

          enter(chtab_0201[i].uc, chtab_0201[i].b2);

        }

      for (i = 0;  i < 0x20;  i++)

        {

          enter (i, i);

        }

      enter (127, 127);

      for (i = 0;  chtab_0208[i].b1 != 255;  i++)

        {

          enter(chtab_0208[i].uc,

                (chtab_0208[i].b1 << 8) | chtab_0208[i].b2);

        }

      for (i = 0;  chtab_0212[i].b1 != 255;  i++)

        {

          enter(chtab_0212[i].uc,

                0x8000 | (chtab_0212[i].b1 << 8) | chtab_0212[i].b2);

        }

      print_table ("Unicode_to_JIS", stdout);

      exit(0);

    }

  else

    {

      fprintf (stderr, "bad argument!");

      exit (-1);

    }

  for (i = 0;  chtab[i].b1 != 255; i++)

    {

      if (chtab[i].b1 < min1) min1 = chtab[i].b1;

      if (chtab[i].b2 < min2) min2 = chtab[i].b2;

      if (chtab[i].b1 > max1) max1 = chtab[i].b1;

      if (chtab[i].b2 > max2) max2 = chtab[i].b2;

      count++;

    }

  fprintf(stderr, "1st byte ranges from %d to %d.\n", min1, max1);

  fprintf(stderr, "2nd byte ranges from %d to %d.\n", min2, max2);

  fprintf(out,"/* This file is automatically generated from %s.TXT. */\n",

          argv[1]);

  fprintf(out,"#pragma GCC java_exceptions\n");

  fprintf(out, "unsigned short %s_to_Unicode[%d][%d] = {\n",

          argv[1], max1 - min1 + 1,  max2 - min2 + 1);

  i = 0;

  for (row = min1;  row <= max1;  row++)

    {

      fprintf(out, "/* 1st byte: %d */ { ", row);

      if (row < chtab[i].b1)

        {

          fprintf(out, "0 }, /* unused row */\n");

        }

      else if (row > chtab[i].b1)

        {

          fprintf (stderr, "error - char table out of order!\n");

          exit (-1);

        }

      else

        {

          fprintf(out, "\n");

          for (col = min2;  col <= max2;  col++)

            {

              if (row == chtab[i].b1 && col == chtab[i].b2)

                {

                  int uc = chtab[i].uc;

                  if (uc < 0x2000)

                    {

                      if (uc > high1_uc)

                        high1_uc = uc;

                      if (uc < low1_uc)

                        low1_uc = uc;

                    }

                  else

                    {

                      if (uc > high2_uc)

                        high2_uc = uc;

                      if (uc < low2_uc)

                        low2_uc = uc;

                    }

                  fprintf (out, "  /* 2nd byte: %d */ 0x%04x",

                           chtab[i].b2, uc);

                  i++;

                }

              else if (row < chtab[i].b1

                  || (row == chtab[i].b1 && col < chtab[i].b2))

                {

                  fprintf (out, "  0");

                }

              else

                {

                  fprintf (stderr, "error - char table out of order!\n");

                  exit (-1);

                }

              if (col != max2)

                fprintf (out, ",\n");

            }

          fprintf(out, row == max1 ? "}\n" : "},\n");

        }

    }

  fprintf(out, "};\n");

  fprintf(stderr, "total number of characters is %d.\n", count);

  fprintf(stderr, "Range is 0x%04x-0x%04x and 0x%04x-0x%04x.\n",

          low1_uc, high1_uc, low2_uc, high2_uc);

  return 0;

}