diff options
Diffstat (limited to 'iconv-detect.c')
| -rw-r--r-- | iconv-detect.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/iconv-detect.c b/iconv-detect.c new file mode 100644 index 0000000000..899d07f239 --- /dev/null +++ b/iconv-detect.c @@ -0,0 +1,186 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ +/* + * Authors: Jeffrey Stedfast <fejj@ximian.com> + * + * Copyright 2002 Ximian, Inc. (www.ximian.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. + * + */ + + +#include <stdio.h> +#include <iconv.h> + +enum { + ISO_UNSUPPORTED = 0, + + /* iso-8859-1 */ + ISO_DASH_D_DASH_D_LOWER = (1 << 0), + ISO_DASH_D_DASH_D = (1 << 1), + ISO_D_DASH_D = (1 << 2), + ISO_D_D = (1 << 3), + ISO_UNDER_D_DASH_D = (1 << 4), + NO_ISO_D_DASH_D = (1 << 5), + + /* iso-10646-1 */ + /*ISO_DASH_D_DASH_D_LOWER = (1 << 0),*/ + /*ISO_DASH_D_DASH_D = (1 << 1),*/ + /*ISO_D_DASH_D = (1 << 2),*/ + ISO_DASH_D_LOWER = (1 << 3), + ISO_DASH_D = (1 << 4), + ISO_D = (1 << 5), + UCS4 = (1 << 6), + + /* iso-2022-jp */ + ISO_DASH_D_DASH_S_LOWER = (1 << 0), + ISO_DASH_D_DASH_S = (1 << 1), + ISO_D_DASH_S = (1 << 2), +}; + + +typedef struct { + char *charset; + char *format; + int id; +} CharInfo; + + +static CharInfo iso8859_tests[] = { + { "iso-8859-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER }, + { "ISO-8859-1", "ISO-%d-%d", ISO_DASH_D_DASH_D }, + { "ISO8859-1", "ISO%d-%d", ISO_D_DASH_D }, + { "ISO88591", "ISO%d%d", ISO_D_D }, + { "ISO_8859-1", "ISO_%d-%d", ISO_UNDER_D_DASH_D }, + { "8859-1", "%d-%d", NO_ISO_D_DASH_D }, +}; + +static int num_iso8859_tests = sizeof (iso8859_tests) / sizeof (CharInfo); + +static CharInfo iso2022_tests[] = { + { "iso-2022-jp", "iso-%d-%s", ISO_DASH_D_DASH_S_LOWER }, + { "ISO-2022-JP", "ISO-%d-%s", ISO_DASH_D_DASH_S }, + { "ISO2022-JP", "ISO%d-%s", ISO_D_DASH_S }, +}; + +static int num_iso2022_tests = sizeof (iso2022_tests) / sizeof (CharInfo); + +static CharInfo iso10646_tests[] = { + { "iso-10646-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER }, + { "ISO-10646-1", "ISO-%d-%d", ISO_DASH_D_DASH_D }, + { "ISO10646-1", "ISO%d-%d", ISO_D_DASH_D }, + { "iso-10646", "iso-%d", ISO_DASH_D_LOWER }, + { "ISO-10646", "ISO-%d", ISO_DASH_D }, + { "ISO10646", "ISO%d", ISO_D }, + { "UCS-4BE", "UCS-4BE", UCS4 }, +}; + +static int num_iso10646_tests = sizeof (iso10646_tests) / sizeof (CharInfo); + + +int main (int argc, char **argv) +{ + unsigned int bits, iso8859, iso2022, iso10646; + CharInfo *info; + iconv_t cd; + FILE *fp; + int i; + + fp = fopen ("iconv-detect.h", "w"); + if (fp == NULL) + exit (255); + + fprintf (fp, "/* This is an auto-generated header, DO NOT EDIT! */\n\n"); + + iso8859 = ISO_UNSUPPORTED; + info = iso8859_tests; + /*printf ("#define DEFAULT_ISO_FORMAT(iso,codepage)\t");*/ + for (i = 0; i < num_iso8859_tests; i++) { + cd = iconv_open (info[i].charset, "UTF-8"); + if (cd != (iconv_t) -1) { + iconv_close (cd); + /*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/ + fprintf (stderr, "System prefers %s\n", info[i].charset); + iso8859 = info[i].id; + break; + } + } + + if (iso8859 == ISO_UNSUPPORTED) { + fprintf (stderr, "System doesn't support any ISO-8859-1 formats\n"); + fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[0].format); +#ifdef CONFIGURE_IN + exit (1); +#endif + } else { + fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[i].format); + } + + iso2022 = ISO_UNSUPPORTED; + info = iso2022_tests; + /*printf ("#define ISO_2022_FORMAT(iso,codepage)\t");*/ + for (i = 0; i < num_iso2022_tests; i++) { + cd = iconv_open (info[i].charset, "UTF-8"); + if (cd != (iconv_t) -1) { + iconv_close (cd); + /*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/ + fprintf (stderr, "System prefers %s\n", info[i].charset); + iso2022 = info[i].id; + break; + } + } + + if (iso2022 == ISO_UNSUPPORTED) { + fprintf (stderr, "System doesn't support any ISO-2022 formats\n"); + fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[0].format); +#ifdef CONFIGURE_IN + exit (3); +#endif + } else { + fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[i].format); + } + + iso10646 = ISO_UNSUPPORTED; + info = iso10646_tests; + /*printf ("#define ISO_10646_FORMAT(iso,codepage)\t");*/ + for (i = 0; i < num_iso10646_tests; i++) { + cd = iconv_open (info[i].charset, "UTF-8"); + if (cd != (iconv_t) -1) { + iconv_close (cd); + /*if (info[i].id < ISO_DASH_D_LOWER) + printf ("(\"%s\", (iso), (codepage))\n", info[i].format); + else + printf ("(\"%s\", (iso))\n", info[i].format);*/ + fprintf (stderr, "System prefers %s\n", info[i].charset); + iso10646 = info[i].id; + break; + } + } + + /* we don't need a printf format for iso-10646 because there is only 1 */ + if (iso10646 == ISO_UNSUPPORTED) { + fprintf (stderr, "System doesn't support any ISO-10646-1 formats\n"); + fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[0].charset); +#ifdef CONFIGURE_IN + exit (2); +#endif + } else { + fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[i].charset); + } + + fclose (fp); + + exit (0); +} |