fontconfig/fc-validate/fc-validate.c

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/*
* fontconfig/fc-validate/fc-validate.c
*
* Copyright © 2003 Keith Packard
* Copyright © 2012 Red Hat, Inc.
* Red Hat Author(s): Akira TAGOH
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#else
#ifdef linux
#define HAVE_GETOPT_LONG 1
#endif
#define HAVE_GETOPT 1
#endif
#include <fontconfig/fontconfig.h>
#include <fontconfig/fcfreetype.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(x) (dgettext(GETTEXT_PACKAGE, x))
#else
#define dgettext(d, s) (s)
#define _(x) (x)
#endif
#ifndef HAVE_GETOPT
#define HAVE_GETOPT 0
#endif
#ifndef HAVE_GETOPT_LONG
#define HAVE_GETOPT_LONG 0
#endif
#if HAVE_GETOPT_LONG
#undef _GNU_SOURCE
#define _GNU_SOURCE
#include <getopt.h>
static const struct option longopts[] = {
{"index", 1, 0, 'i'},
{"lang", 1, 0, 'l'},
{"verbose", 0, 0, 'v'},
{"version", 0, 0, 'V'},
{"help", 0, 0, 'h'},
{NULL,0,0,0},
};
#else
#if HAVE_GETOPT
extern char *optarg;
extern int optind, opterr, optopt;
#endif
#endif
static void
usage (char *program, int error)
{
FILE *file = error ? stderr : stdout;
#if HAVE_GETOPT_LONG
fprintf (file, _("usage: %s [-Vhv] [-i index] [-l LANG] [--index index] [--lang LANG] [--verbose] [--version] [--help] font-file...\n"),
program);
#else
fprintf (file, _("usage: %s [-Vhv] [-i index] [-l LANG] font-file...\n"),
program);
#endif
fprintf (file, _("Validate font files and print result\n"));
fprintf (file, "\n");
#if HAVE_GETOPT_LONG
fprintf (file, _(" -i, --index INDEX display the INDEX face of each font file only\n"));
fprintf (file, _(" -l, --lang=LANG set LANG instead of current locale\n"));
fprintf (file, _(" -v, --verbose show more detailed information\n"));
fprintf (file, _(" -V, --version display font config version and exit\n"));
fprintf (file, _(" -h, --help display this help and exit\n"));
#else
fprintf (file, _(" -i INDEX (index) display the INDEX face of each font file only\n"));
fprintf (file, _(" -l LANG (lang) set LANG instead of current locale\n"));
fprintf (file, _(" -v (verbose) show more detailed information\n"));
fprintf (file, _(" -V (version) display font config version and exit\n"));
fprintf (file, _(" -h (help) display this help and exit\n"));
#endif
exit (error);
}
int
main (int argc, char **argv)
{
int index_set = 0;
int set_index = 0;
FcChar8 *lang = NULL;
const FcCharSet *fcs_lang = NULL;
int err = 0;
int i;
FT_Library ftlib;
FcBool verbose = FcFalse;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
setlocale (LC_ALL, "");
#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "i:l:mVhv", longopts, NULL)) != -1)
#else
while ((c = getopt (argc, argv, "i:l:mVhv")) != -1)
#endif
{
switch (c) {
case 'i':
index_set = 1;
set_index = atoi (optarg);
break;
case 'l':
lang = (FcChar8 *) FcLangNormalize ((const FcChar8 *) optarg);
break;
case 'v':
verbose = FcTrue;
break;
case 'V':
fprintf (stderr, "fontconfig version %d.%d.%d\n",
FC_MAJOR, FC_MINOR, FC_REVISION);
exit (0);
case 'h':
usage (argv[0], 0);
default:
usage (argv[0], 1);
}
}
i = optind;
#else
i = 1;
verbose = FcTrue;
#endif
if (i == argc)
usage (argv[0], 1);
if (!lang)
lang = FcLangNormalize ((const FcChar8 *) setlocale (LC_CTYPE, NULL));
if (lang)
fcs_lang = FcLangGetCharSet (lang);
if (FT_Init_FreeType (&ftlib))
{
fprintf (stderr, _("Can't initalize FreeType library\n"));
return 1;
}
for (; i < argc; i++)
{
int index;
index = set_index;
do {
FT_Face face;
FcCharSet *fcs, *fcs_sub;
if (FT_New_Face (ftlib, argv[i], index, &face))
{
if (!index_set && index > 0)
break;
fprintf (stderr, _("Unable to open %s\n"), argv[i]);
err = 1;
}
else
{
FcChar32 count;
fcs = FcFreeTypeCharSet (face, NULL);
fcs_sub = FcCharSetSubtract (fcs_lang, fcs);
count = FcCharSetCount (fcs_sub);
if (count > 0)
{
FcChar32 ucs4, pos, map[FC_CHARSET_MAP_SIZE];
printf (_("%s:%d Missing %d glyph(s) to satisfy the coverage for %s language\n"),
argv[i], index, count, lang);
if (verbose)
{
for (ucs4 = FcCharSetFirstPage (fcs_sub, map, &pos);
ucs4 != FC_CHARSET_DONE;
ucs4 = FcCharSetNextPage (fcs_sub, map, &pos))
{
int j;
for (j = 0; j < FC_CHARSET_MAP_SIZE; j++)
{
FcChar32 bits = map[j];
FcChar32 base = ucs4 + j * 32;
int b = 0;
while (bits)
{
if (bits & 1)
printf (" 0x%04x\n", base + b);
bits >>= 1;
b++;
}
}
}
}
}
else
{
printf (_("%s:%d Satisfy the coverage for %s language\n"), argv[i], index, lang);
}
FcCharSetDestroy (fcs);
FcCharSetDestroy (fcs_sub);
FT_Done_Face (face);
}
index++;
} while (index_set == 0);
}
FT_Done_FreeType (ftlib);
if (lang)
FcStrFree (lang);
FcFini ();
return err;
}