lib/genflags.c

   1 /* Copyright (C) 2000-2001 Free Software Foundation, Inc.
   2    This file is part of the GNU LIBICONV Library.
   3
   4    The GNU LIBICONV Library is free software; you can redistribute it
   5    and/or modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either version 2
   7    of the License, or (at your option) any later version.
   8
   9    The GNU LIBICONV Library is distributed in the hope that it will be
  10    useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU LIBICONV Library; see the file COPYING.LIB.
  16    If not, write to the Free Software Foundation, Inc., 59 Temple Place -
  17    Suite 330, Boston, MA 02111-1307, USA.  */
  18
  19 /* Creates the flags.h include file. */
  20
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24 /* Consider all encodings, including the system dependent ones. */
  25 #define USE_AIX
  26 #define USE_OSF1
  27 #define USE_DOS
  28
  29 struct loop_funcs {};
  30 #include "converters.h"
  31
  32 static void emit_encoding (struct wctomb_funcs * ofuncs, const char* c_name)
  33 {
  34   /* Prepare a converter struct. */
  35   struct conv_struct conv;
  36   memset(&conv,'\0',sizeof(conv));
  37   conv.ofuncs = *ofuncs;
  38
  39   {
  40     /* See whether the encoding can encode the accents and quotation marks. */
  41     ucs4_t probe[6] = { 0x0060, 0x00b4, 0x2018, 0x2019, 0x3131, 0x3163, };
  42     int res[6];
  43     int i;
  44     for (i = 0; i < 6; i++) {
  45       unsigned char buf[10];
  46       memset(&conv.ostate,'\0',sizeof(state_t));
  47       res[i] = (conv.ofuncs.xxx_wctomb(&conv,buf,probe[i],sizeof(buf)) != RET_ILUNI);
  48     }
  49     printf("#define ei_%s_oflags (",c_name);
  50     {
  51       int first = 1;
  52       if (res[0] && res[1]) {
  53         printf("HAVE_ACCENTS");
  54         first = 0;
  55       }
  56       if (res[2] && res[3]) {
  57         if (!first) printf(" | ");
  58         printf("HAVE_QUOTATION_MARKS");
  59         first = 0;
  60       }
  61       if (res[4] && res[5]) {
  62         if (!first) printf(" | ");
  63         printf("HAVE_HANGUL_JAMO");
  64         first = 0;
  65       }
  66       if (first) printf("0");
  67     }
  68     printf(")\n");
  69   }
  70 }
  71
  72 int main ()
  73 {
  74   int bitmask = 1;
  75   printf("/* Generated automatically by genflags. */\n");
  76   printf("\n");
  77   printf("/* Set if the encoding can encode\n");
  78   printf("   the acute and grave accents U+00B4 and U+0060. */\n");
  79   printf("#define HAVE_ACCENTS %d\n",bitmask);
  80   printf("\n");
  81   bitmask = bitmask << 1;
  82   printf("/* Set if the encoding can encode\n");
  83   printf("   the single quotation marks U+2018 and U+2019. */\n");
  84   printf("#define HAVE_QUOTATION_MARKS %d\n",bitmask);
  85   printf("\n");
  86   bitmask = bitmask << 1;
  87   printf("/* Set if the encoding can encode\n");
  88   printf("   the double-width Hangul letters (Jamo) U+3131 to U+3163. */\n");
  89   printf("#define HAVE_HANGUL_JAMO %d\n",bitmask);
  90   printf("\n");
  91
  92 #define DEFENCODING(xxx_names,xxx,xxx_ifuncs1,xxx_ifuncs2,xxx_ofuncs1,xxx_ofuncs2) \
  93   {                                                       \
  94     struct wctomb_funcs ofuncs = xxx_ofuncs1,xxx_ofuncs2; \
  95     emit_encoding(&ofuncs,#xxx);                          \
  96   }
  97 /* Consider all encodings, including the system dependent ones. */
  98 #include "encodings.def"
  99 #include "encodings_aix.def"
 100 #include "encodings_osf1.def"
 101 #include "encodings_dos.def"
 102 #undef DEFENCODING
 103
 104   fflush(stdout);
 105   if (ferror(stdout))
 106     exit(1);
 107   exit(0);
 108 }