fontconfig/fc-match/fc-match.c

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/*
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* fontconfig/fc-match/fc-match.c
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*
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* Copyright © 2003 Keith Packard
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*
* 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,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* 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>
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#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[] = {
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{"sort", 0, 0, 's'},
{"all", 0, 0, 'a'},
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{"verbose", 0, 0, 'v'},
{"format", 1, 0, 'f'},
{"version", 0, 0, 'V'},
{"help", 0, 0, 'h'},
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{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)
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{
FILE *file = error ? stderr : stdout;
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#if HAVE_GETOPT_LONG
fprintf (file, "usage: %s [-savVh] [-f FORMAT] [--sort] [--all] [--verbose] [--format=FORMAT] [--version] [--help] [pattern] {element...}\n",
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program);
#else
fprintf (file, "usage: %s [-savVh] [-f FORMAT] [pattern] {element...}\n",
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program);
#endif
fprintf (file, "List best font matching [pattern]\n");
fprintf (file, "\n");
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#if HAVE_GETOPT_LONG
fprintf (file, " -s, --sort display sorted list of matches\n");
fprintf (file, " -a, --all display unpruned sorted list of matches\n");
fprintf (file, " -v, --verbose display entire font pattern verbosely\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");
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#else
fprintf (file, " -s, (sort) display sorted list of matches\n");
fprintf (file, " -a (all) display unpruned sorted list of matches\n");
fprintf (file, " -v (verbose) display entire font pattern verbosely\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");
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#endif
exit (error);
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}
int
main (int argc, char **argv)
{
int verbose = 0;
int sort = 0, all = 0;
const FcChar8 *format = NULL;
int i;
FcObjectSet *os = 0;
FcFontSet *fs;
FcPattern *pat;
FcResult result;
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#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
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#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "asvf:Vh", longopts, NULL)) != -1)
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#else
while ((c = getopt (argc, argv, "asvf:Vh")) != -1)
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#endif
{
switch (c) {
case 'a':
all = 1;
break;
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case 's':
sort = 1;
break;
case 'v':
verbose = 1;
break;
case 'f':
format = (FcChar8 *) strdup (optarg);
break;
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case 'V':
fprintf (stderr, "fontconfig version %d.%d.%d\n",
FC_MAJOR, FC_MINOR, FC_REVISION);
exit (0);
case 'h':
usage (argv[0], 0);
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default:
usage (argv[0], 1);
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}
}
i = optind;
#else
i = 1;
#endif
if (argv[i])
{
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pat = FcNameParse ((FcChar8 *) argv[i]);
if (!pat)
{
fputs ("Unable to parse the pattern\n", stderr);
return 1;
}
while (argv[++i])
{
if (!os)
os = FcObjectSetCreate ();
FcObjectSetAdd (os, argv[i]);
}
}
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else
pat = FcPatternCreate ();
if (!pat)
return 1;
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FcConfigSubstitute (0, pat, FcMatchPattern);
FcDefaultSubstitute (pat);
fs = FcFontSetCreate ();
if (sort || all)
{
FcFontSet *font_patterns;
int j;
font_patterns = FcFontSort (0, pat, all ? FcFalse : FcTrue, 0, &result);
if (!font_patterns || font_patterns->nfont == 0)
{
fputs("No fonts installed on the system\n", stderr);
return 1;
}
for (j = 0; j < font_patterns->nfont; j++)
{
FcPattern *font_pattern;
font_pattern = FcFontRenderPrepare (NULL, pat, font_patterns->fonts[j]);
if (font_pattern)
FcFontSetAdd (fs, font_pattern);
}
FcFontSetSortDestroy (font_patterns);
}
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else
{
FcPattern *match;
match = FcFontMatch (0, pat, &result);
if (match)
FcFontSetAdd (fs, match);
}
FcPatternDestroy (pat);
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if (!format)
{
if (os)
format = (const FcChar8 *) "%{=unparse}\n";
else
format = (const FcChar8 *) "%{=fcmatch}\n";
}
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if (fs)
{
int j;
for (j = 0; j < fs->nfont; j++)
{
FcPattern *font;
font = FcPatternFilter (fs->fonts[j], os);
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if (verbose)
{
FcPatternPrint (font);
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}
else
{
FcChar8 *s;
s = FcPatternFormat (font, format);
if (s)
{
printf ("%s", s);
FcStrFree (s);
}
}
FcPatternDestroy (font);
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}
FcFontSetDestroy (fs);
}
if (os)
FcObjectSetDestroy (os);
FcFini ();
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return 0;
}