fontconfig/fc-pattern/fc-pattern.c

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/*
* fontconfig/fc-pattern/fc-pattern.c
*
* Copyright © 2003 Keith Packard
*
* 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
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* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
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* 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 <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#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[] = {
{"config", 0, 0, 'c'},
{"default", 0, 0, 'd'},
{"format", 1, 0, 'f'},
{"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 [-cdVh] [-f FORMAT] [--config] [--default] [--verbose] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n",
program);
#else
fprintf (file, "usage: %s [-cdVh] [-f FORMAT] [pattern] {element...}\n",
program);
#endif
fprintf (file, "List best font matching [pattern]\n");
fprintf (file, "\n");
#if HAVE_GETOPT_LONG
fprintf (file, " -c, --config perform config substitution on pattern\n");
fprintf (file, " -d, -default perform default substitution on pattern\n");
fprintf (file, " -f, --format=FORMAT use the given output format\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, " -c, (config) perform config substitution on pattern\n");
fprintf (file, " -d, (default) perform default substitution on pattern\n");
fprintf (file, " -f FORMAT (format) use the given output format\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 do_config = 0, do_default = 0;
FcChar8 *format = NULL;
int i;
FcObjectSet *os = 0;
FcPattern *pat;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "cdf:Vh", longopts, NULL)) != -1)
#else
while ((c = getopt (argc, argv, "cdf:Vh")) != -1)
#endif
{
switch (c) {
case 'c':
do_config = 1;
break;
case 'd':
do_default = 1;
break;
case 'f':
format = (FcChar8 *) strdup (optarg);
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;
#endif
if (argv[i])
{
pat = FcNameParse ((FcChar8 *) argv[i]);
if (!pat)
{
fputs ("Unable to parse the pattern\n", stderr);
return 1;
}
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while (argv[++i])
{
if (!os)
os = FcObjectSetCreate ();
FcObjectSetAdd (os, argv[i]);
}
}
else
pat = FcPatternCreate ();
if (!pat)
return 1;
if (do_config)
FcConfigSubstitute (0, pat, FcMatchPattern);
if (do_default)
FcDefaultSubstitute (pat);
if (os)
{
FcPattern *new;
new = FcPatternFilter (pat, os);
FcPatternDestroy (pat);
pat = new;
}
if (format)
{
FcChar8 *s;
s = FcPatternFormat (pat, format);
if (s)
{
printf ("%s", s);
FcStrFree (s);
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}
}
else
{
FcPatternPrint (pat);
}
FcPatternDestroy (pat);
if (os)
FcObjectSetDestroy (os);
FcFini ();
return 0;
}