vcs.maemo.org Git - navit-package/blob - src/vehicle.c

   1 #include <glib.h>
   2 #include <string.h>
   3 #include "config.h"
   4 #include "debug.h"
   5 #include "coord.h"
   6 #include "item.h"
   7 #include "log.h"
   8 #include "callback.h"
   9 #include "plugin.h"
  10 #include "vehicle.h"
  11
  12 struct vehicle {
  13         struct vehicle_priv *priv;
  14         struct vehicle_methods meth;
  15         struct callback_list *cbl;
  16         struct log *nmea_log, *gpx_log, *textfile_log;
  17 };
  18
  19 static int
  20 vehicle_add_log(struct vehicle *this_, struct log *log,
  21                 struct attr **attrs)
  22 {
  23         struct attr *type;
  24         type = attr_search(attrs, NULL, attr_type);
  25         if (!type)
  26                 return 1;
  27         if (!strcmp(type->u.str, "nmea")) {
  28                 this_->nmea_log = log;
  29         } else if (!strcmp(type->u.str, "gpx")) {
  30                 char *header =
  31                     "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<gpx version=\"1.0\" creator=\"Navit http://navit.sourceforge.net\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns=\"http://www.topografix.com/GPX/1/0\" xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n<trk>\n<trkseg>\n";
  32                 char *trailer = "</trkseg>\n</trk>\n</gpx>\n";
  33                 this_->gpx_log = log;
  34                 log_set_header(log, header, strlen(header));
  35                 log_set_trailer(log, trailer, strlen(trailer));
  36         } else if (!strcmp(type->u.str, "textfile")) {
  37                 char *header = "type=track\n";
  38                 this_->textfile_log = log;
  39                 log_set_header(log, header, strlen(header));
  40         } else
  41                 return 1;
  42         return 0;
  43 }
  44
  45 struct vehicle *
  46 vehicle_new(struct attr **attrs)
  47 {
  48         struct vehicle *this_;
  49         struct attr *source;
  50         struct vehicle_priv *(*vehicletype_new) (struct vehicle_methods *
  51                                                  meth,
  52                                                  struct callback_list *
  53                                                  cbl,
  54                                                  struct attr ** attrs);
  55         char *type, *colon;
  56
  57         dbg(0, "enter\n");
  58         source = attr_search(attrs, NULL, attr_source);
  59         if (!source) {
  60                 dbg(0, "no source\n");
  61                 return NULL;
  62         }
  63
  64         type = g_strdup(source->u.str);
  65         colon = index(type, ':');
  66         if (colon)
  67                 *colon = '\0';
  68         dbg(0, "source='%s' type='%s'\n", source->u.str, type);
  69
  70         vehicletype_new = plugin_get_vehicle_type(type);
  71         if (!vehicletype_new) {
  72                 dbg(0, "invalid type\n");
  73                 return NULL;
  74         }
  75         this_ = g_new0(struct vehicle, 1);
  76         this_->cbl = callback_list_new();
  77         this_->priv = vehicletype_new(&this_->meth, this_->cbl, attrs);
  78         if (!this_->priv) {
  79                 dbg(0, "vehicletype_new failed\n");
  80                 callback_list_destroy(this_->cbl);
  81                 g_free(this_);
  82                 return NULL;
  83         }
  84         dbg(0, "leave\n");
  85
  86         return this_;
  87 }
  88
  89 int
  90 vehicle_position_attr_get(struct vehicle *this_, enum attr_type type,
  91                           struct attr *attr)
  92 {
  93         if (this_->meth.position_attr_get)
  94                 return this_->meth.position_attr_get(this_->priv, type,
  95                                                      attr);
  96         return 0;
  97 }
  98
  99 int
 100 vehicle_set_attr(struct vehicle *this_, struct attr *attr,
 101                  struct attr **attrs)
 102 {
 103         return 0;
 104 }
 105
 106 int
 107 vehicle_add_attr(struct vehicle *this_, struct attr *attr,
 108                  struct attr **attrs)
 109 {
 110         switch (attr->type) {
 111         case attr_callback:
 112                 callback_list_add(this_->cbl, attr->u.callback);
 113                 break;
 114         case attr_log:
 115                 return vehicle_add_log(this_, attr->u.log, attrs);
 116         default:
 117                 return 0;
 118         }
 119         return 1;
 120 }
 121
 122 int
 123 vehicle_remove_attr(struct vehicle *this_, struct attr *attr)
 124 {
 125         switch (attr->type) {
 126         case attr_callback:
 127                 callback_list_remove(this_->cbl, attr->u.callback);
 128                 break;
 129         default:
 130                 return 0;
 131         }
 132         return 1;
 133 }
 134
 135 void
 136 vehicle_destroy(struct vehicle *this_)
 137 {
 138         callback_list_destroy(this_->cbl);
 139         g_free(this_);
 140 }