util/wdread.c

   1 /* wdread.c - read value from defaults database
   2  *
   3  *  WindowMaker window manager
   4  *
   5  *  Copyright (c) 1997-2003 Alfredo K. Kojima
   6  *  (cowardly remade from wdwrite.c; by judas@hell on Jan 26 2001)
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  21  *  USA.
  22  */
  23
  24 #ifdef __GLIBC__
  25 #define _GNU_SOURCE             /* getopt_long */
  26 #endif
  27
  28 /*
  29  * WindowMaker defaults DB reader
  30  */
  31
  32 #include <getopt.h>
  33 #include <limits.h>
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <unistd.h>
  38
  39 #include <WINGs/WUtil.h>
  40
  41 #include "../src/wconfig.h"
  42
  43 extern char *__progname;
  44
  45 void print_help(int print_usage, int exitval)
  46 {
  47         printf("Usage: %s [OPTIONS] <domain> <key>\n", __progname);
  48         if (print_usage) {
  49                 puts("Read <key> from <domain>'s database");
  50                 puts("");
  51                 puts("  -h, --help              display this help message");
  52                 puts("  -v, --version           output version information and exit");
  53         }
  54         exit(exitval);
  55 }
  56
  57 int main(int argc, char **argv)
  58 {
  59         char path[PATH_MAX];
  60         WMPropList *key, *value, *dict;
  61         int ch;
  62
  63         struct option longopts[] = {
  64                 { "version",    no_argument,            NULL,                   'v' },
  65                 { "help",       no_argument,            NULL,                   'h' },
  66                 { NULL,         0,                      NULL,                   0 }
  67         };
  68
  69         while ((ch = getopt_long(argc, argv, "hv", longopts, NULL)) != -1)
  70                 switch(ch) {
  71                         case 'v':
  72                                 printf("%s (Window Maker %s)\n", __progname, VERSION);
  73                                 return 0;
  74                                 /* NOTREACHED */
  75                         case 'h':
  76                                 print_help(1, 0);
  77                                 /* NOTREACHED */
  78                         case 0:
  79                                 break;
  80                         default:
  81                                 print_help(0, 1);
  82                                 /* NOTREACHED */
  83                 }
  84
  85         argc -= optind;
  86         argv += optind;
  87
  88         if (argc != 2)
  89                 print_help(0, 1);
  90
  91         key = WMCreatePLString(argv[1]);
  92
  93         snprintf(path, sizeof(path), "%s", wdefaultspathfordomain(argv[0]));
  94
  95         dict = WMReadPropListFromFile(path);
  96         if (dict == NULL)
  97                 return 1;       /* bad domain */
  98
  99         value = WMGetFromPLDictionary(dict, key);
 100         if (value == NULL)
 101                 return 2;       /* bad key */
 102
 103         printf("%s\n", WMGetPropListDescription(value, True));
 104         return 0;
 105 }