391 lines
8.8 KiB
C
391 lines
8.8 KiB
C
/*
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* fontconfig/fc-cat/fc-cat.c
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*
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* Copyright © 2002 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* 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
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* specific, written prior permission. The authors make no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* 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
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* 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,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#else
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#ifdef linux
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#define HAVE_GETOPT_LONG 1
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#endif
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#define HAVE_GETOPT 1
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#endif
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#include <fontconfig/fontconfig.h>
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#include "../src/fcarch.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#ifndef HAVE_GETOPT
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#define HAVE_GETOPT 0
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#endif
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#ifndef HAVE_GETOPT_LONG
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#define HAVE_GETOPT_LONG 0
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#endif
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#if HAVE_GETOPT_LONG
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#undef _GNU_SOURCE
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#define _GNU_SOURCE
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#include <getopt.h>
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const struct option longopts[] = {
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{"version", 0, 0, 'V'},
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{"verbose", 0, 0, 'v'},
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{"recurse", 0, 0, 'r'},
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{"help", 0, 0, 'h'},
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{NULL,0,0,0},
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};
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#else
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#if HAVE_GETOPT
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extern char *optarg;
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extern int optind, opterr, optopt;
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#endif
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#endif
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/*
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* POSIX has broken stdio so that putc must do thread-safe locking,
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* this is a serious performance problem for applications doing large
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* amounts of IO with putc (as is done here). If available, use
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* the putc_unlocked varient instead.
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*/
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#if defined(putc_unlocked) || defined(_IO_putc_unlocked)
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#define PUTC(c,f) putc_unlocked(c,f)
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#else
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#define PUTC(c,f) putc(c,f)
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#endif
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static FcBool
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write_chars (FILE *f, const FcChar8 *chars)
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{
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FcChar8 c;
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while ((c = *chars++))
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{
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switch (c) {
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case '"':
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case '\\':
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if (PUTC ('\\', f) == EOF)
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return FcFalse;
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/* fall through */
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default:
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if (PUTC (c, f) == EOF)
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return FcFalse;
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}
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}
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return FcTrue;
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}
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static FcBool
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write_ulong (FILE *f, unsigned long t)
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{
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int pow;
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unsigned long temp, digit;
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temp = t;
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pow = 1;
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while (temp >= 10)
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{
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temp /= 10;
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pow *= 10;
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}
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temp = t;
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while (pow)
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{
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digit = temp / pow;
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if (PUTC ((char) digit + '0', f) == EOF)
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return FcFalse;
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temp = temp - pow * digit;
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pow = pow / 10;
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}
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return FcTrue;
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}
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static FcBool
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write_int (FILE *f, int i)
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{
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return write_ulong (f, (unsigned long) i);
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}
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static FcBool
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write_string (FILE *f, const FcChar8 *string)
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{
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if (PUTC ('"', f) == EOF)
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return FcFalse;
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if (!write_chars (f, string))
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return FcFalse;
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if (PUTC ('"', f) == EOF)
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return FcFalse;
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return FcTrue;
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}
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static void
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usage (char *program, int error)
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{
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FILE *file = error ? stderr : stdout;
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#if HAVE_GETOPT_LONG
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fprintf (file, "usage: %s [-rv] [--recurse] [--verbose] [*-%s" FC_CACHE_SUFFIX "|directory]...\n",
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program, FC_ARCHITECTURE);
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fprintf (file, " %s [-Vh] [--version] [--help]\n", program);
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#else
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fprintf (file, "usage: %s [-rvVh] [*-%s" FC_CACHE_SUFFIX "|directory]...\n",
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program, FC_ARCHITECTURE);
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#endif
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fprintf (file, "Reads font information cache from:\n");
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fprintf (file, " 1) specified fontconfig cache file\n");
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fprintf (file, " 2) related to a particular font directory\n");
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fprintf (file, "\n");
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#if HAVE_GETOPT_LONG
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fprintf (file, " -r, --recurse recurse into subdirectories\n");
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fprintf (file, " -v, --verbose be verbose\n");
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fprintf (file, " -V, --version display font config version and exit\n");
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fprintf (file, " -h, --help display this help and exit\n");
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#else
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fprintf (file, " -r (recurse) recurse into subdirectories\n");
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fprintf (file, " -v (verbose) be verbose\n");
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fprintf (file, " -V (version) display font config version and exit\n");
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fprintf (file, " -h (help) display this help and exit\n");
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#endif
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exit (error);
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}
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/*
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* return the path from the directory containing 'cache' to 'file'
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*/
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static const FcChar8 *
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file_base_name (const FcChar8 *cache, const FcChar8 *file)
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{
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int cache_len = strlen ((char *) cache);
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if (!strncmp ((char *) cache, (char *) file, cache_len) && file[cache_len] == '/')
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return file + cache_len + 1;
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return file;
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}
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#define FC_FONT_FILE_DIR ((FcChar8 *) ".dir")
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static FcBool
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cache_print_set (FcFontSet *set, FcStrSet *dirs, const FcChar8 *base_name, FcBool verbose)
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{
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FcChar8 *dir;
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const FcChar8 *base;
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int n;
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int ndir = 0;
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FcStrList *list;
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list = FcStrListCreate (dirs);
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if (!list)
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goto bail2;
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while ((dir = FcStrListNext (list)))
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{
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base = file_base_name (base_name, dir);
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if (!write_string (stdout, base))
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goto bail3;
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if (PUTC (' ', stdout) == EOF)
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goto bail3;
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if (!write_int (stdout, 0))
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goto bail3;
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if (PUTC (' ', stdout) == EOF)
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goto bail3;
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if (!write_string (stdout, FC_FONT_FILE_DIR))
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goto bail3;
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if (PUTC ('\n', stdout) == EOF)
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goto bail3;
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ndir++;
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}
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for (n = 0; n < set->nfont; n++)
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{
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FcPattern *font = set->fonts[n];
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FcChar8 *s;
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s = FcPatternFormat (font, (const FcChar8 *) "%{=fccat}\n");
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if (s)
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{
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printf ("%s", s);
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FcStrFree (s);
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}
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}
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if (verbose && !set->nfont && !ndir)
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printf ("<empty>\n");
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FcStrListDone (list);
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return FcTrue;
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bail3:
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FcStrListDone (list);
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bail2:
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return FcFalse;
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}
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int
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main (int argc, char **argv)
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{
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int i;
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int ret = 0;
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FcFontSet *fs;
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FcStrSet *dirs;
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FcStrSet *args = NULL;
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FcStrList *arglist;
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FcCache *cache;
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FcConfig *config;
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FcChar8 *arg;
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int verbose = 0;
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int recurse = 0;
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FcBool first = FcTrue;
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#if HAVE_GETOPT_LONG || HAVE_GETOPT
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int c;
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#if HAVE_GETOPT_LONG
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while ((c = getopt_long (argc, argv, "Vvrh", longopts, NULL)) != -1)
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#else
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while ((c = getopt (argc, argv, "Vvrh")) != -1)
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#endif
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{
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switch (c) {
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case 'V':
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fprintf (stderr, "fontconfig version %d.%d.%d\n",
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FC_MAJOR, FC_MINOR, FC_REVISION);
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exit (0);
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case 'v':
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verbose++;
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break;
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case 'r':
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recurse++;
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break;
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case 'h':
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usage (argv[0], 0);
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default:
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usage (argv[0], 1);
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}
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}
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i = optind;
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#else
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i = 1;
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#endif
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config = FcInitLoadConfig ();
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if (!config)
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{
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fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
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return 1;
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}
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FcConfigSetCurrent (config);
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args = FcStrSetCreate ();
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if (!args)
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{
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fprintf (stderr, "%s: malloc failure\n", argv[0]);
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return 1;
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}
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if (i < argc)
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{
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for (; i < argc; i++)
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{
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if (!FcStrSetAddFilename (args, (const FcChar8 *) argv[i]))
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{
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fprintf (stderr, "%s: malloc failure\n", argv[0]);
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return 1;
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}
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}
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arglist = FcStrListCreate (args);
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if (!arglist)
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{
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fprintf (stderr, "%s: malloc failure\n", argv[0]);
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return 1;
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}
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}
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else
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{
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recurse++;
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arglist = FcConfigGetFontDirs (config);
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while ((arg = FcStrListNext (arglist)))
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if (!FcStrSetAdd (args, arg))
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{
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fprintf (stderr, "%s: malloc failure\n", argv[0]);
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return 1;
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}
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FcStrListDone (arglist);
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}
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arglist = FcStrListCreate (args);
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if (!arglist)
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{
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fprintf (stderr, "%s: malloc failure\n", argv[0]);
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return 1;
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}
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while ((arg = FcStrListNext (arglist)))
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{
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int j;
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FcChar8 *cache_file = NULL;
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struct stat file_stat;
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if (FcFileIsDir (arg))
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cache = FcDirCacheLoad (arg, config, &cache_file);
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else
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cache = FcDirCacheLoadFile (arg, &file_stat);
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if (!cache)
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{
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perror ((char *) arg);
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ret++;
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continue;
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}
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dirs = FcStrSetCreate ();
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fs = FcCacheCopySet (cache);
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for (j = 0; j < FcCacheNumSubdir (cache); j++)
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{
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FcStrSetAdd (dirs, FcCacheSubdir (cache, j));
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if (recurse)
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FcStrSetAdd (args, FcCacheSubdir (cache, j));
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}
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if (verbose)
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{
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if (!first)
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printf ("\n");
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printf ("Directory: %s\nCache: %s\n--------\n",
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FcCacheDir(cache), cache_file ? cache_file : arg);
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first = FcFalse;
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}
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cache_print_set (fs, dirs, FcCacheDir (cache), verbose);
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FcStrSetDestroy (dirs);
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FcFontSetDestroy (fs);
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FcDirCacheUnload (cache);
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if (cache_file)
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FcStrFree (cache_file);
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}
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FcFini ();
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return 0;
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}
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