options.c

   1
   2 /*
   3  * $Id$
   4  *
   5  * by JH <jheinonen@bigfoot.com>
   6  *
   7  * Copyright (C) Jaakko Heinonen
   8  */
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include "abook_curses.h"
  14 #include "abook.h"
  15 #include "options.h"
  16 #ifdef HAVE_CONFIG_H
  17 #       include "config.h"
  18 #endif
  19
  20 struct conff_node *abook_config;
  21
  22 static int      rcfile_exist();
  23 static void     default_options();
  24
  25 extern char *rcfile;
  26
  27 static char *
  28 abook_opt_conff_get_val(char *key)
  29 {
  30         int tried;
  31         char *value = NULL;
  32
  33
  34         for(tried = 0; tried < 2; ) {
  35                 if( ( value = conff_get_value(abook_config, key) )
  36                                 == 0 ) {
  37                         tried ++;
  38                         default_options(); /* try with defaults */
  39                 } else
  40                         return value;
  41         }
  42         return NULL;
  43 }
  44
  45 int
  46 options_get_int(char *key)
  47 {
  48         char *value;
  49         int ret;
  50
  51         if( ( value = abook_opt_conff_get_val(key) )
  52                         == NULL)
  53                 return 1;
  54
  55         if( !strcasecmp(value, "true") )
  56                 ret = 1;
  57         else
  58         if( !strcasecmp(value, "false") )
  59                 ret = 0;
  60         else
  61                 ret = safe_atoi(value);
  62
  63         return ret;
  64 }
  65
  66 char *
  67 options_get_str(char *key)
  68 {
  69         return abook_opt_conff_get_val(key);
  70 }
  71
  72 void
  73 init_options()
  74 {
  75         abook_config = NULL;
  76
  77         if( rcfile_exist() )
  78                 load_options();
  79         else
  80                 default_options();
  81 }
  82
  83 void
  84 close_config()
  85 {
  86         save_options();
  87
  88         conff_free_nodes(abook_config);
  89 }
  90
  91 static int
  92 rcfile_exist()
  93 {
  94         return ( (0 == access(SYSWIDE_RCFILE, F_OK)) ||
  95                         (0 == access(rcfile, F_OK)) );
  96 }
  97
  98 void
  99 load_options()
 100 {
 101         int ret;
 102
 103         if( (ret = conff_load_file(&abook_config, rcfile,
 104                                 REPLACE_KEY)) > 0) {
 105                 fprintf(stderr, "%s: parse error at line %d\n", rcfile, ret);
 106                 exit(1);
 107         }
 108
 109         if( (ret = conff_load_file(&abook_config, SYSWIDE_RCFILE,
 110                                         DONT_REPLACE_KEY )) > 0) {
 111                 fprintf(stderr, "%s: parse error at line %d\n",
 112                                 SYSWIDE_RCFILE, ret);
 113                 exit(1);
 114         }
 115 }
 116
 117 void
 118 save_options()
 119 {
 120         if( rcfile_exist() ) /* don't overwrite existing config */
 121                 return;
 122
 123         conff_save_file(abook_config, rcfile);
 124 }
 125
 126 static void
 127 options_add_key(char *key, char *value)
 128 {
 129         const int flags = DONT_REPLACE_KEY;
 130
 131         conff_add_key(&abook_config, key, value, flags);
 132 }
 133
 134 static void
 135 default_options()
 136 {
 137         options_add_key("autosave", "true");
 138
 139         options_add_key("show_all_emails", "true");
 140         options_add_key("emailpos", "25");
 141         options_add_key("extra_column", "7");
 142         options_add_key("extra_alternative", "-1");
 143         options_add_key("extrapos", "65");
 144
 145         options_add_key("mutt_command", "mutt");
 146         options_add_key("mutt_return_all_emails", "true");
 147
 148         options_add_key("print_command", "lpr");
 149
 150         options_add_key("filesel_sort", "false");
 151
 152         options_add_key("www_command", "lynx");
 153
 154         options_add_key("address_style", "eu");
 155 }