1 /*
2  * fontconfig/fc-list/fc-list.c
3  *
4  * Copyright © 2002 Keith Packard
5  *
6  * Permission to use, copy, modify, distribute, and sell this software and its
7  * documentation for any purpose is hereby granted without fee, provided that
8  * the above copyright notice appear in all copies and that both that
9  * copyright notice and this permission notice appear in supporting
10  * documentation, and that the name of the author(s) not be used in
11  * advertising or publicity pertaining to distribution of the software without
12  * specific, written prior permission.  The authors make no
13  * representations about the suitability of this software for any purpose.  It
14  * is provided "as is" without express or implied warranty.
15  *
16  * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18  * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22  * PERFORMANCE OF THIS SOFTWARE.
23  */
24 
25 #include <fontconfig/fontconfig.h>
26 #include <stdio.h>
27 #include <unistd.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #ifdef HAVE_CONFIG_H
31 #include <config.h>
32 #else
33 #ifdef linux
34 #define HAVE_GETOPT_LONG 1
35 #endif
36 #define HAVE_GETOPT 1
37 #endif
38 
39 #ifndef HAVE_GETOPT
40 #define HAVE_GETOPT 0
41 #endif
42 #ifndef HAVE_GETOPT_LONG
43 #define HAVE_GETOPT_LONG 0
44 #endif
45 
46 #if HAVE_GETOPT_LONG
47 #undef  _GNU_SOURCE
48 #define _GNU_SOURCE
49 #include <getopt.h>
50 const struct option longopts[] = {
51     {"verbose", 0, 0, 'v'},
52     {"format", 1, 0, 'f'},
53     {"quiet", 0, 0, 'q'},
54     {"version", 0, 0, 'V'},
55     {"help", 0, 0, 'h'},
56     {NULL,0,0,0},
57 };
58 #else
59 #if HAVE_GETOPT
60 extern char *optarg;
61 extern int optind, opterr, optopt;
62 #endif
63 #endif
64 
65 static void
usage(char * program,int error)66 usage (char *program, int error)
67 {
68     FILE *file = error ? stderr : stdout;
69 #if HAVE_GETOPT_LONG
70     fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [--verbose] [--format=FORMAT] [--quiet] [--version] [--help] [pattern] {element ...} \n",
71 	     program);
72 #else
73     fprintf (file, "usage: %s [-vqVh] [-f FORMAT] [pattern] {element ...} \n",
74 	     program);
75 #endif
76     fprintf (file, "List fonts matching [pattern]\n");
77     fprintf (file, "\n");
78 #if HAVE_GETOPT_LONG
79     fprintf (file, "  -v, --verbose        display entire font pattern verbosely\n");
80     fprintf (file, "  -f, --format=FORMAT  use the given output format\n");
81     fprintf (file, "  -q, --quiet          suppress all normal output, exit 1 if no fonts matched\n");
82     fprintf (file, "  -V, --version        display font config version and exit\n");
83     fprintf (file, "  -h, --help           display this help and exit\n");
84 #else
85     fprintf (file, "  -v         (verbose) display entire font pattern verbosely\n");
86     fprintf (file, "  -f FORMAT  (format)  use the given output format\n");
87     fprintf (file, "  -q,        (quiet)   suppress all normal output, exit 1 if no fonts matched\n");
88     fprintf (file, "  -V         (version) display font config version and exit\n");
89     fprintf (file, "  -h         (help)    display this help and exit\n");
90 #endif
91     exit (error);
92 }
93 
94 int
main(int argc,char ** argv)95 main (int argc, char **argv)
96 {
97     int			verbose = 0;
98     int			quiet = 0;
99     const FcChar8	*format = NULL;
100     int			nfont = 0;
101     int			i;
102     FcObjectSet		*os = 0;
103     FcFontSet		*fs;
104     FcPattern		*pat;
105 #if HAVE_GETOPT_LONG || HAVE_GETOPT
106     int			c;
107 
108 #if HAVE_GETOPT_LONG
109     while ((c = getopt_long (argc, argv, "vf:qVh", longopts, NULL)) != -1)
110 #else
111     while ((c = getopt (argc, argv, "vf:qVh")) != -1)
112 #endif
113     {
114 	switch (c) {
115 	case 'v':
116 	    verbose = 1;
117 	    break;
118 	case 'f':
119 	    format = (FcChar8 *) strdup (optarg);
120 	    break;
121 	case 'q':
122 	    quiet = 1;
123 	    break;
124 	case 'V':
125 	    fprintf (stderr, "fontconfig version %d.%d.%d\n",
126 		     FC_MAJOR, FC_MINOR, FC_REVISION);
127 	    exit (0);
128 	case 'h':
129 	    usage (argv[0], 0);
130 	default:
131 	    usage (argv[0], 1);
132 	}
133     }
134     i = optind;
135 #else
136     i = 1;
137 #endif
138 
139     if (argv[i])
140     {
141 	pat = FcNameParse ((FcChar8 *) argv[i]);
142 	if (!pat)
143 	{
144 	    fputs ("Unable to parse the pattern\n", stderr);
145 	    return 1;
146 	}
147 	while (argv[++i])
148 	{
149 	    if (!os)
150 		os = FcObjectSetCreate ();
151 	    FcObjectSetAdd (os, argv[i]);
152 	}
153     }
154     else
155 	pat = FcPatternCreate ();
156     if (quiet && !os)
157 	os = FcObjectSetCreate ();
158     if (!verbose && !format && !os)
159 	os = FcObjectSetBuild (FC_FAMILY, FC_STYLE, FC_FILE, (char *) 0);
160     if (!format)
161         format = (const FcChar8 *) "%{=fclist}\n";
162     fs = FcFontList (0, pat, os);
163     if (os)
164 	FcObjectSetDestroy (os);
165     if (pat)
166 	FcPatternDestroy (pat);
167 
168     if (!quiet && fs)
169     {
170 	int	j;
171 
172 	for (j = 0; j < fs->nfont; j++)
173 	{
174 	    if (verbose)
175 	    {
176 		FcPatternPrint (fs->fonts[j]);
177 	    }
178 	    else
179 	    {
180 	        FcChar8 *s;
181 
182 		s = FcPatternFormat (fs->fonts[j], format);
183 		if (s)
184 		{
185 		    printf ("%s", s);
186 		    FcStrFree (s);
187 		}
188 	    }
189 	}
190     }
191 
192     if (fs) {
193 	nfont = fs->nfont;
194 	FcFontSetDestroy (fs);
195     }
196 
197     FcFini ();
198 
199     return quiet ? (nfont == 0 ? 1 : 0) : 0;
200 }
201