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1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2012-2013, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | /** | |
22 | * SECTION:vikroutingengine | |
23 | * @short_description: the base class to describe routing engine | |
24 | * | |
25 | * The #VikRoutingEngine class is both the interface and the base class | |
26 | * for the hierarchie of routing engines. | |
27 | */ | |
28 | ||
29 | #ifdef HAVE_CONFIG_H | |
30 | #include "config.h" | |
31 | #endif | |
32 | ||
33 | #include <glib.h> | |
34 | #include <glib/gstdio.h> | |
35 | #include <glib/gi18n.h> | |
36 | ||
9f30939a GB |
37 | #include "babel.h" |
38 | ||
39 | #include "vikroutingengine.h" | |
40 | ||
41 | static void vik_routing_engine_finalize ( GObject *gob ); | |
9f30939a GB |
42 | static GObjectClass *parent_class; |
43 | ||
44 | typedef struct _VikRoutingPrivate VikRoutingPrivate; | |
45 | struct _VikRoutingPrivate | |
46 | { | |
47 | gchar *id; | |
48 | gchar *label; | |
49 | gchar *format; | |
50 | }; | |
51 | ||
52 | #define VIK_ROUTING_ENGINE_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_ROUTING_ENGINE_TYPE, VikRoutingPrivate)) | |
53 | ||
54 | /* properties */ | |
55 | enum | |
56 | { | |
57 | PROP_0, | |
58 | ||
59 | PROP_ID, | |
60 | PROP_LABEL, | |
61 | PROP_FORMAT, | |
62 | }; | |
63 | ||
64 | G_DEFINE_ABSTRACT_TYPE (VikRoutingEngine, vik_routing_engine, G_TYPE_OBJECT) | |
65 | ||
66 | static void | |
67 | vik_routing_engine_set_property (GObject *object, | |
68 | guint property_id, | |
69 | const GValue *value, | |
70 | GParamSpec *pspec) | |
71 | { | |
72 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE ( object ); | |
73 | ||
74 | switch (property_id) | |
75 | { | |
76 | case PROP_ID: | |
77 | g_free (priv->id); | |
78 | priv->id = g_strdup(g_value_get_string (value)); | |
79 | break; | |
80 | ||
81 | case PROP_LABEL: | |
82 | g_free (priv->label); | |
83 | priv->label = g_strdup(g_value_get_string (value)); | |
84 | break; | |
85 | ||
86 | case PROP_FORMAT: | |
87 | g_free (priv->format); | |
88 | priv->format = g_strdup(g_value_get_string (value)); | |
89 | break; | |
90 | ||
91 | default: | |
92 | /* We don't have any other property... */ | |
93 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
94 | break; | |
95 | } | |
96 | } | |
97 | ||
98 | static void | |
99 | vik_routing_engine_get_property (GObject *object, | |
100 | guint property_id, | |
101 | GValue *value, | |
102 | GParamSpec *pspec) | |
103 | { | |
104 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE ( object ); | |
105 | ||
106 | switch (property_id) | |
107 | { | |
108 | case PROP_ID: | |
109 | g_value_set_string (value, priv->id); | |
110 | break; | |
111 | ||
112 | case PROP_LABEL: | |
113 | g_value_set_string (value, priv->label); | |
114 | break; | |
115 | ||
116 | case PROP_FORMAT: | |
117 | g_value_set_string (value, priv->format); | |
118 | break; | |
119 | ||
120 | default: | |
121 | /* We don't have any other property... */ | |
122 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
123 | break; | |
124 | } | |
125 | } | |
126 | ||
127 | static void | |
128 | vik_routing_engine_class_init ( VikRoutingEngineClass *klass ) | |
129 | { | |
130 | GObjectClass *object_class; | |
131 | VikRoutingEngineClass *routing_class; | |
132 | GParamSpec *pspec = NULL; | |
133 | ||
134 | object_class = G_OBJECT_CLASS (klass); | |
135 | ||
136 | object_class->set_property = vik_routing_engine_set_property; | |
137 | object_class->get_property = vik_routing_engine_get_property; | |
138 | object_class->finalize = vik_routing_engine_finalize; | |
139 | ||
140 | parent_class = g_type_class_peek_parent (klass); | |
141 | ||
142 | routing_class = VIK_ROUTING_ENGINE_CLASS ( klass ); | |
143 | routing_class->find = NULL; | |
1a3be6a8 | 144 | |
7f95fd54 | 145 | routing_class->supports_direction = NULL; |
09f04587 | 146 | routing_class->get_url_from_directions = NULL; |
9f30939a | 147 | |
1a3be6a8 GB |
148 | routing_class->refine = NULL; |
149 | routing_class->supports_refine = NULL; | |
150 | ||
9f30939a GB |
151 | pspec = g_param_spec_string ("id", |
152 | "Identifier", | |
153 | "The identifier of the routing engine", | |
154 | "<no-set>" /* default value */, | |
155 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
156 | g_object_class_install_property (object_class, PROP_ID, pspec); | |
157 | ||
158 | pspec = g_param_spec_string ("label", | |
159 | "Label", | |
160 | "The label of the routing engine", | |
161 | "<no-set>" /* default value */, | |
162 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
163 | g_object_class_install_property (object_class, PROP_LABEL, pspec); | |
164 | ||
165 | pspec = g_param_spec_string ("format", | |
166 | "Format", | |
167 | "The format of the output (see gpsbabel)", | |
168 | "<no-set>" /* default value */, | |
169 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
170 | g_object_class_install_property (object_class, PROP_FORMAT, pspec); | |
171 | ||
172 | g_type_class_add_private (klass, sizeof (VikRoutingPrivate)); | |
173 | } | |
174 | ||
175 | static void | |
176 | vik_routing_engine_init ( VikRoutingEngine *self ) | |
177 | { | |
178 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE (self); | |
179 | ||
180 | priv->id = NULL; | |
181 | priv->label = NULL; | |
182 | priv->format = NULL; | |
183 | } | |
184 | ||
185 | static void | |
186 | vik_routing_engine_finalize ( GObject *self ) | |
187 | { | |
188 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE (self); | |
189 | ||
190 | g_free (priv->id); | |
191 | priv->id = NULL; | |
192 | ||
193 | g_free (priv->label); | |
194 | priv->label = NULL; | |
195 | ||
196 | g_free (priv->format); | |
197 | priv->format = NULL; | |
198 | ||
199 | G_OBJECT_CLASS(parent_class)->finalize(self); | |
200 | } | |
201 | ||
75ee0e75 GB |
202 | /** |
203 | * vik_routing_engine_find: | |
204 | * @self: self object | |
205 | * @vtl: | |
206 | * @start: starting point | |
207 | * @end: ending point | |
208 | * | |
209 | * Retrieve a route between two coordinates. | |
210 | * | |
211 | * Returns: indicates success or not. | |
212 | */ | |
41e48655 | 213 | gboolean |
bc048a9c | 214 | vik_routing_engine_find ( VikRoutingEngine *self, VikTrwLayer *vtl, struct LatLon start, struct LatLon end ) |
9f30939a GB |
215 | { |
216 | VikRoutingEngineClass *klass; | |
217 | ||
bc048a9c | 218 | g_return_val_if_fail ( VIK_IS_ROUTING_ENGINE (self), 0 ); |
9f30939a | 219 | klass = VIK_ROUTING_ENGINE_GET_CLASS( self ); |
bc048a9c | 220 | g_return_val_if_fail ( klass->find != NULL, 0 ); |
9f30939a | 221 | |
bc048a9c | 222 | return klass->find( self, vtl, start, end ); |
9f30939a GB |
223 | } |
224 | ||
225 | /** | |
226 | * vik_routing_engine_get_id: | |
227 | * | |
228 | * Returns: the id of self | |
229 | */ | |
230 | gchar * | |
231 | vik_routing_engine_get_id ( VikRoutingEngine *self ) | |
232 | { | |
233 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE (self); | |
234 | ||
235 | return priv->id; | |
236 | } | |
237 | ||
238 | /** | |
239 | * vik_routing_engine_get_label: | |
240 | * | |
241 | * Returns: the label of self | |
242 | */ | |
243 | gchar * | |
244 | vik_routing_engine_get_label ( VikRoutingEngine *self ) | |
245 | { | |
246 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE (self); | |
247 | ||
248 | return priv->label; | |
249 | } | |
250 | ||
251 | /** | |
252 | * vik_routing_engine_get_format: | |
d2e33e78 GB |
253 | * |
254 | * GPSbabel's Format of result. | |
255 | * | |
9f30939a GB |
256 | * Returns: the format of self |
257 | */ | |
258 | gchar * | |
259 | vik_routing_engine_get_format ( VikRoutingEngine *self ) | |
260 | { | |
261 | VikRoutingPrivate *priv = VIK_ROUTING_ENGINE_PRIVATE (self); | |
262 | ||
263 | return priv->format; | |
264 | } | |
7f95fd54 GB |
265 | |
266 | /** | |
267 | * vik_routing_engine_supports_direction: | |
268 | * | |
269 | * Returns: %TRUE if this engine supports the route finding based on directions | |
270 | */ | |
271 | gboolean | |
272 | vik_routing_engine_supports_direction ( VikRoutingEngine *self ) | |
273 | { | |
274 | VikRoutingEngineClass *klass; | |
275 | ||
276 | g_return_val_if_fail ( VIK_IS_ROUTING_ENGINE (self), FALSE ); | |
277 | klass = VIK_ROUTING_ENGINE_GET_CLASS( self ); | |
278 | g_return_val_if_fail ( klass->supports_direction != NULL, FALSE ); | |
279 | ||
280 | return klass->supports_direction( self ); | |
281 | } | |
282 | ||
283 | /** | |
09f04587 | 284 | * vik_routing_engine_get_url_from_directions: |
7f95fd54 GB |
285 | * @self: routing engine |
286 | * @start: the start direction | |
287 | * @end: the end direction | |
288 | * | |
09f04587 | 289 | * Compute the URL used with the acquire framework. |
7f95fd54 | 290 | * |
09f04587 | 291 | * Returns: the computed URL |
7f95fd54 GB |
292 | */ |
293 | gchar * | |
09f04587 | 294 | vik_routing_engine_get_url_from_directions ( VikRoutingEngine *self, const gchar *start, const gchar *end ) |
7f95fd54 GB |
295 | { |
296 | VikRoutingEngineClass *klass; | |
297 | ||
298 | g_return_val_if_fail ( VIK_IS_ROUTING_ENGINE (self), NULL ); | |
299 | klass = VIK_ROUTING_ENGINE_GET_CLASS( self ); | |
09f04587 | 300 | g_return_val_if_fail ( klass->get_url_from_directions != NULL, NULL ); |
7f95fd54 | 301 | |
09f04587 | 302 | return klass->get_url_from_directions( self, start, end ); |
7f95fd54 | 303 | } |
1a3be6a8 GB |
304 | |
305 | /** | |
306 | * vik_routing_engine_refine: | |
307 | * @self: self object | |
308 | * @vtl: layer where to create new track | |
309 | * @vt: the simple route to refine | |
310 | * | |
311 | * Retrieve a route refining the @vt track/route. | |
312 | * | |
313 | * A refined route is computed from @vt. | |
314 | * The route is computed from first trackpoint to last trackpoint, | |
315 | * and going via all intermediate trackpoints. | |
316 | * | |
317 | * Returns: indicates success or not. | |
318 | */ | |
41e48655 | 319 | gboolean |
1a3be6a8 GB |
320 | vik_routing_engine_refine ( VikRoutingEngine *self, VikTrwLayer *vtl, VikTrack *vt ) |
321 | { | |
322 | VikRoutingEngineClass *klass; | |
323 | ||
324 | g_return_val_if_fail ( VIK_IS_ROUTING_ENGINE (self), 0 ); | |
325 | klass = VIK_ROUTING_ENGINE_GET_CLASS ( self ); | |
326 | g_return_val_if_fail ( klass->refine != NULL, 0 ); | |
327 | ||
328 | return klass->refine ( self, vtl, vt ); | |
329 | } | |
330 | ||
331 | /** | |
332 | * vik_routing_engine_supports_refine: | |
333 | * @self: routing engine | |
334 | * | |
335 | * Returns: %TRUE if this engine supports the refine of track | |
336 | */ | |
337 | gboolean | |
338 | vik_routing_engine_supports_refine ( VikRoutingEngine *self ) | |
339 | { | |
340 | VikRoutingEngineClass *klass; | |
341 | ||
342 | g_return_val_if_fail ( VIK_IS_ROUTING_ENGINE (self), FALSE ); | |
343 | klass = VIK_ROUTING_ENGINE_GET_CLASS ( self ); | |
344 | g_return_val_if_fail ( klass->supports_refine != NULL, FALSE ); | |
345 | ||
346 | return klass->supports_refine ( self ); | |
347 | } |