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Commit | Line | Data |
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8c4f1350 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
a482007a GB |
4 | * Copyright (C) 2003-2007, Evan Battaglia <gtoevan@gmx.net> |
5 | * Copyright (C) 2007, Quy Tonthat <qtonthat@gmail.com> | |
6 | * Copyright (C) 2008, Hein Ragas <viking@ragas.nl> | |
7 | * Copyright (C) 2009, Tal B <tal.bav@gmail.com> | |
415b0e21 | 8 | * Copyright (c) 2012-2014, Rob Norris <rw_norris@hotmail.com> |
8c4f1350 | 9 | * |
bf35388d EB |
10 | * Some of the code adapted from GPSBabel 1.2.7 |
11 | * http://gpsbabel.sf.net/ | |
12 | * Copyright (C) 2002, 2003, 2004, 2005 Robert Lipe, robertlipe@usa.net | |
13 | * | |
8c4f1350 EB |
14 | * This program is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2 of the License, or | |
17 | * (at your option) any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
27 | * | |
28 | */ | |
8c00358d GB |
29 | #ifdef HAVE_CONFIG_H |
30 | #include "config.h" | |
31 | #endif | |
8c4f1350 EB |
32 | |
33 | #define _XOPEN_SOURCE /* glibc2 needs this */ | |
34 | ||
0b72c435 | 35 | #include "gpx.h" |
8c4f1350 EB |
36 | #include "viking.h" |
37 | #include <expat.h> | |
8c00358d | 38 | #ifdef HAVE_STRING_H |
8c4f1350 | 39 | #include <string.h> |
8c00358d | 40 | #endif |
8904c540 | 41 | #include <glib.h> |
12ed2b58 RN |
42 | #include <glib/gstdio.h> |
43 | #include <glib/gi18n.h> | |
8c00358d | 44 | #ifdef HAVE_MATH_H |
8904c540 | 45 | #include <math.h> |
8c00358d | 46 | #endif |
e3449376 | 47 | #include <time.h> |
8c4f1350 | 48 | |
8c4f1350 EB |
49 | typedef enum { |
50 | tt_unknown = 0, | |
51 | ||
52 | tt_gpx, | |
6ba42f1e RN |
53 | tt_gpx_name, |
54 | tt_gpx_desc, | |
55 | tt_gpx_author, | |
56 | tt_gpx_time, | |
57 | tt_gpx_keywords, | |
8c4f1350 EB |
58 | |
59 | tt_wpt, | |
6b2f262e | 60 | tt_wpt_cmt, |
8c4f1350 | 61 | tt_wpt_desc, |
be455472 | 62 | tt_wpt_src, |
01cfda98 | 63 | tt_wpt_type, |
8c4f1350 EB |
64 | tt_wpt_name, |
65 | tt_wpt_ele, | |
f2ef466d RN |
66 | tt_wpt_sym, |
67 | tt_wpt_time, | |
415b0e21 | 68 | tt_wpt_url, |
8c4f1350 EB |
69 | tt_wpt_link, /* New in GPX 1.1 */ |
70 | ||
71 | tt_trk, | |
6b2f262e | 72 | tt_trk_cmt, |
8c4f1350 | 73 | tt_trk_desc, |
be455472 | 74 | tt_trk_src, |
01cfda98 | 75 | tt_trk_type, |
8c4f1350 EB |
76 | tt_trk_name, |
77 | ||
0d2b891f RN |
78 | tt_rte, |
79 | ||
8c4f1350 EB |
80 | tt_trk_trkseg, |
81 | tt_trk_trkseg_trkpt, | |
82 | tt_trk_trkseg_trkpt_ele, | |
83 | tt_trk_trkseg_trkpt_time, | |
b45865b4 | 84 | tt_trk_trkseg_trkpt_name, |
6ba42f1e | 85 | /* extended */ |
a2817d3c QT |
86 | tt_trk_trkseg_trkpt_course, |
87 | tt_trk_trkseg_trkpt_speed, | |
88 | tt_trk_trkseg_trkpt_fix, | |
89 | tt_trk_trkseg_trkpt_sat, | |
bf35388d | 90 | |
4a42b254 T |
91 | tt_trk_trkseg_trkpt_hdop, |
92 | tt_trk_trkseg_trkpt_vdop, | |
93 | tt_trk_trkseg_trkpt_pdop, | |
94 | ||
bf35388d EB |
95 | tt_waypoint, |
96 | tt_waypoint_coord, | |
97 | tt_waypoint_name, | |
8c4f1350 EB |
98 | } tag_type; |
99 | ||
100 | typedef struct tag_mapping { | |
101 | tag_type tag_type; /* enum from above for this tag */ | |
102 | const char *tag_name; /* xpath-ish tag name */ | |
103 | } tag_mapping; | |
104 | ||
0b72c435 OK |
105 | typedef struct { |
106 | GpxWritingOptions *options; | |
107 | FILE *file; | |
108 | } GpxWritingContext; | |
109 | ||
8c4f1350 | 110 | /* |
6ba42f1e | 111 | * xpath(ish) mappings between full tag paths and internal identifiers. |
8c4f1350 | 112 | * These appear in the order they appear in the GPX specification. |
6ba42f1e | 113 | * If it's not a tag we explicitly handle, it doesn't go here. |
8c4f1350 EB |
114 | */ |
115 | ||
116 | tag_mapping tag_path_map[] = { | |
8c4f1350 | 117 | |
6ba42f1e RN |
118 | { tt_gpx, "/gpx" }, |
119 | { tt_gpx_name, "/gpx/name" }, | |
120 | { tt_gpx_desc, "/gpx/desc" }, | |
121 | { tt_gpx_time, "/gpx/time" }, | |
122 | { tt_gpx_author, "/gpx/author" }, | |
123 | { tt_gpx_keywords, "/gpx/keywords" }, | |
124 | ||
125 | // GPX 1.1 variant - basic properties moved into metadata namespace | |
126 | { tt_gpx_name, "/gpx/metadata/name" }, | |
127 | { tt_gpx_desc, "/gpx/metadata/desc" }, | |
128 | { tt_gpx_time, "/gpx/metadata/time" }, | |
129 | { tt_gpx_author, "/gpx/metadata/author" }, | |
130 | { tt_gpx_keywords, "/gpx/metadata/keywords" }, | |
131 | ||
8c4f1350 | 132 | { tt_wpt, "/gpx/wpt" }, |
bf35388d EB |
133 | |
134 | { tt_waypoint, "/loc/waypoint" }, | |
135 | { tt_waypoint_coord, "/loc/waypoint/coord" }, | |
136 | { tt_waypoint_name, "/loc/waypoint/name" }, | |
137 | ||
8c4f1350 | 138 | { tt_wpt_ele, "/gpx/wpt/ele" }, |
f2ef466d | 139 | { tt_wpt_time, "/gpx/wpt/time" }, |
8c4f1350 | 140 | { tt_wpt_name, "/gpx/wpt/name" }, |
6b2f262e | 141 | { tt_wpt_cmt, "/gpx/wpt/cmt" }, |
8c4f1350 | 142 | { tt_wpt_desc, "/gpx/wpt/desc" }, |
be455472 | 143 | { tt_wpt_src, "/gpx/wpt/src" }, |
01cfda98 | 144 | { tt_wpt_type, "/gpx/wpt/type" }, |
42c2ac3e | 145 | { tt_wpt_sym, "/gpx/wpt/sym" }, |
08b251ec | 146 | { tt_wpt_sym, "/loc/waypoint/type" }, |
415b0e21 | 147 | { tt_wpt_url, "/gpx/wpt/url" }, |
8c4f1350 EB |
148 | { tt_wpt_link, "/gpx/wpt/link" }, /* GPX 1.1 */ |
149 | ||
150 | { tt_trk, "/gpx/trk" }, | |
151 | { tt_trk_name, "/gpx/trk/name" }, | |
6b2f262e | 152 | { tt_trk_cmt, "/gpx/trk/cmt" }, |
8c4f1350 | 153 | { tt_trk_desc, "/gpx/trk/desc" }, |
be455472 | 154 | { tt_trk_src, "/gpx/trk/src" }, |
01cfda98 | 155 | { tt_trk_type, "/gpx/trk/type" }, |
8c4f1350 | 156 | { tt_trk_trkseg, "/gpx/trk/trkseg" }, |
8c4f1350 EB |
157 | { tt_trk_trkseg_trkpt, "/gpx/trk/trkseg/trkpt" }, |
158 | { tt_trk_trkseg_trkpt_ele, "/gpx/trk/trkseg/trkpt/ele" }, | |
159 | { tt_trk_trkseg_trkpt_time, "/gpx/trk/trkseg/trkpt/time" }, | |
b45865b4 | 160 | { tt_trk_trkseg_trkpt_name, "/gpx/trk/trkseg/trkpt/name" }, |
6ba42f1e RN |
161 | /* extended */ |
162 | { tt_trk_trkseg_trkpt_course, "/gpx/trk/trkseg/trkpt/course" }, | |
a2817d3c QT |
163 | { tt_trk_trkseg_trkpt_speed, "/gpx/trk/trkseg/trkpt/speed" }, |
164 | { tt_trk_trkseg_trkpt_fix, "/gpx/trk/trkseg/trkpt/fix" }, | |
165 | { tt_trk_trkseg_trkpt_sat, "/gpx/trk/trkseg/trkpt/sat" }, | |
8c4f1350 | 166 | |
4a42b254 T |
167 | { tt_trk_trkseg_trkpt_hdop, "/gpx/trk/trkseg/trkpt/hdop" }, |
168 | { tt_trk_trkseg_trkpt_vdop, "/gpx/trk/trkseg/trkpt/vdop" }, | |
169 | { tt_trk_trkseg_trkpt_pdop, "/gpx/trk/trkseg/trkpt/pdop" }, | |
0d2b891f RN |
170 | |
171 | { tt_rte, "/gpx/rte" }, | |
172 | // NB Route reuses track point feature tags | |
173 | { tt_trk_name, "/gpx/rte/name" }, | |
174 | { tt_trk_cmt, "/gpx/rte/cmt" }, | |
175 | { tt_trk_desc, "/gpx/rte/desc" }, | |
be455472 | 176 | { tt_trk_src, "/gpx/rte/src" }, |
0d2b891f | 177 | { tt_trk_trkseg_trkpt, "/gpx/rte/rtept" }, |
b45865b4 | 178 | { tt_trk_trkseg_trkpt_name, "/gpx/rte/rtept/name" }, |
0d2b891f RN |
179 | { tt_trk_trkseg_trkpt_ele, "/gpx/rte/rtept/ele" }, |
180 | ||
8c4f1350 EB |
181 | {0} |
182 | }; | |
183 | ||
184 | static tag_type get_tag(const char *t) | |
185 | { | |
186 | tag_mapping *tm; | |
187 | for (tm = tag_path_map; tm->tag_type != 0; tm++) | |
188 | if (0 == strcmp(tm->tag_name, t)) | |
189 | return tm->tag_type; | |
190 | return tt_unknown; | |
191 | } | |
192 | ||
193 | /******************************************/ | |
194 | ||
195 | tag_type current_tag = tt_unknown; | |
196 | GString *xpath = NULL; | |
197 | GString *c_cdata = NULL; | |
198 | ||
199 | /* current ("c_") objects */ | |
200 | VikTrackpoint *c_tp = NULL; | |
201 | VikWaypoint *c_wp = NULL; | |
202 | VikTrack *c_tr = NULL; | |
6ba42f1e | 203 | VikTRWMetadata *c_md = NULL; |
8c4f1350 EB |
204 | |
205 | gchar *c_wp_name = NULL; | |
206 | gchar *c_tr_name = NULL; | |
207 | ||
208 | /* temporary things so we don't have to create them lots of times */ | |
209 | const gchar *c_slat, *c_slon; | |
210 | struct LatLon c_ll; | |
211 | ||
212 | /* specialty flags / etc */ | |
213 | gboolean f_tr_newseg; | |
214 | guint unnamed_waypoints = 0; | |
215 | guint unnamed_tracks = 0; | |
43e2df3e | 216 | guint unnamed_routes = 0; |
8c4f1350 EB |
217 | |
218 | static const char *get_attr ( const char **attr, const char *key ) | |
219 | { | |
220 | while ( *attr ) { | |
221 | if ( strcmp(*attr,key) == 0 ) | |
222 | return *(attr + 1); | |
223 | attr += 2; | |
224 | } | |
225 | return NULL; | |
226 | } | |
227 | ||
228 | static gboolean set_c_ll ( const char **attr ) | |
229 | { | |
230 | if ( (c_slat = get_attr ( attr, "lat" )) && (c_slon = get_attr ( attr, "lon" )) ) { | |
d1cd12c0 T |
231 | c_ll.lat = g_ascii_strtod(c_slat, NULL); |
232 | c_ll.lon = g_ascii_strtod(c_slon, NULL); | |
8c4f1350 EB |
233 | return TRUE; |
234 | } | |
235 | return FALSE; | |
236 | } | |
237 | ||
238 | static void gpx_start(VikTrwLayer *vtl, const char *el, const char **attr) | |
239 | { | |
bf35388d EB |
240 | static const gchar *tmp; |
241 | ||
8c4f1350 EB |
242 | g_string_append_c ( xpath, '/' ); |
243 | g_string_append ( xpath, el ); | |
244 | current_tag = get_tag ( xpath->str ); | |
245 | ||
246 | switch ( current_tag ) { | |
247 | ||
6ba42f1e RN |
248 | case tt_gpx: |
249 | c_md = vik_trw_metadata_new(); | |
250 | break; | |
251 | ||
8c4f1350 EB |
252 | case tt_wpt: |
253 | if ( set_c_ll( attr ) ) { | |
254 | c_wp = vik_waypoint_new (); | |
0b9f279d RN |
255 | c_wp->visible = TRUE; |
256 | if ( get_attr ( attr, "hidden" ) ) | |
257 | c_wp->visible = FALSE; | |
8c4f1350 EB |
258 | |
259 | vik_coord_load_from_latlon ( &(c_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &c_ll ); | |
260 | } | |
261 | break; | |
262 | ||
263 | case tt_trk: | |
0d2b891f | 264 | case tt_rte: |
8c4f1350 | 265 | c_tr = vik_track_new (); |
387ff7ac | 266 | vik_track_set_defaults ( c_tr ); |
0d2b891f | 267 | c_tr->is_route = (current_tag == tt_rte) ? TRUE : FALSE; |
0b9f279d RN |
268 | c_tr->visible = TRUE; |
269 | if ( get_attr ( attr, "hidden" ) ) | |
270 | c_tr->visible = FALSE; | |
8c4f1350 EB |
271 | break; |
272 | ||
273 | case tt_trk_trkseg: | |
274 | f_tr_newseg = TRUE; | |
275 | break; | |
276 | ||
277 | case tt_trk_trkseg_trkpt: | |
278 | if ( set_c_ll( attr ) ) { | |
279 | c_tp = vik_trackpoint_new (); | |
8c4f1350 EB |
280 | vik_coord_load_from_latlon ( &(c_tp->coord), vik_trw_layer_get_coord_mode ( vtl ), &c_ll ); |
281 | if ( f_tr_newseg ) { | |
282 | c_tp->newsegment = TRUE; | |
283 | f_tr_newseg = FALSE; | |
284 | } | |
285 | c_tr->trackpoints = g_list_append ( c_tr->trackpoints, c_tp ); | |
286 | } | |
287 | break; | |
288 | ||
6ba42f1e RN |
289 | case tt_gpx_name: |
290 | case tt_gpx_author: | |
291 | case tt_gpx_desc: | |
292 | case tt_gpx_keywords: | |
293 | case tt_gpx_time: | |
b45865b4 | 294 | case tt_trk_trkseg_trkpt_name: |
8c4f1350 EB |
295 | case tt_trk_trkseg_trkpt_ele: |
296 | case tt_trk_trkseg_trkpt_time: | |
6b2f262e | 297 | case tt_wpt_cmt: |
8c4f1350 | 298 | case tt_wpt_desc: |
be455472 | 299 | case tt_wpt_src: |
01cfda98 | 300 | case tt_wpt_type: |
8c4f1350 EB |
301 | case tt_wpt_name: |
302 | case tt_wpt_ele: | |
f2ef466d | 303 | case tt_wpt_time: |
415b0e21 | 304 | case tt_wpt_url: |
8c4f1350 | 305 | case tt_wpt_link: |
6b2f262e | 306 | case tt_trk_cmt: |
8c4f1350 | 307 | case tt_trk_desc: |
be455472 | 308 | case tt_trk_src: |
01cfda98 | 309 | case tt_trk_type: |
8c4f1350 EB |
310 | case tt_trk_name: |
311 | g_string_erase ( c_cdata, 0, -1 ); /* clear the cdata buffer */ | |
bf35388d | 312 | break; |
8c4f1350 | 313 | |
bf35388d EB |
314 | case tt_waypoint: |
315 | c_wp = vik_waypoint_new (); | |
bf35388d EB |
316 | c_wp->visible = TRUE; |
317 | break; | |
318 | ||
319 | case tt_waypoint_coord: | |
320 | if ( set_c_ll( attr ) ) | |
321 | vik_coord_load_from_latlon ( &(c_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &c_ll ); | |
322 | break; | |
323 | ||
324 | case tt_waypoint_name: | |
325 | if ( ( tmp = get_attr(attr, "id") ) ) { | |
326 | if ( c_wp_name ) | |
327 | g_free ( c_wp_name ); | |
328 | c_wp_name = g_strdup ( tmp ); | |
329 | } | |
330 | g_string_erase ( c_cdata, 0, -1 ); /* clear the cdata buffer for description */ | |
331 | break; | |
332 | ||
8c4f1350 EB |
333 | default: break; |
334 | } | |
335 | } | |
336 | ||
337 | static void gpx_end(VikTrwLayer *vtl, const char *el) | |
338 | { | |
dd81e762 | 339 | static GTimeVal tp_time; |
f2ef466d | 340 | static GTimeVal wp_time; |
dd81e762 | 341 | |
8c4f1350 EB |
342 | g_string_truncate ( xpath, xpath->len - strlen(el) - 1 ); |
343 | ||
344 | switch ( current_tag ) { | |
345 | ||
6ba42f1e RN |
346 | case tt_gpx: |
347 | vik_trw_layer_set_metadata ( vtl, c_md ); | |
348 | c_md = NULL; | |
349 | break; | |
350 | ||
351 | case tt_gpx_name: | |
352 | vik_layer_rename ( VIK_LAYER(vtl), c_cdata->str ); | |
353 | g_string_erase ( c_cdata, 0, -1 ); | |
354 | break; | |
355 | ||
356 | case tt_gpx_author: | |
357 | if ( c_md->author ) | |
e57fae85 | 358 | g_free ( c_md->author ); |
6ba42f1e RN |
359 | c_md->author = g_strdup ( c_cdata->str ); |
360 | g_string_erase ( c_cdata, 0, -1 ); | |
361 | break; | |
362 | ||
363 | case tt_gpx_desc: | |
364 | if ( c_md->description ) | |
365 | g_free ( c_md->description ); | |
366 | c_md->description = g_strdup ( c_cdata->str ); | |
367 | g_string_erase ( c_cdata, 0, -1 ); | |
368 | break; | |
369 | ||
370 | case tt_gpx_keywords: | |
371 | if ( c_md->keywords ) | |
372 | g_free ( c_md->keywords ); | |
373 | c_md->keywords = g_strdup ( c_cdata->str ); | |
374 | g_string_erase ( c_cdata, 0, -1 ); | |
375 | break; | |
376 | ||
377 | case tt_gpx_time: | |
378 | if ( c_md->timestamp ) | |
379 | g_free ( c_md->timestamp ); | |
380 | c_md->timestamp = g_strdup ( c_cdata->str ); | |
381 | g_string_erase ( c_cdata, 0, -1 ); | |
382 | break; | |
383 | ||
bf35388d | 384 | case tt_waypoint: |
8c4f1350 EB |
385 | case tt_wpt: |
386 | if ( ! c_wp_name ) | |
43e2df3e | 387 | c_wp_name = g_strdup_printf("VIKING_WP%04d", unnamed_waypoints++); |
805d282e EB |
388 | vik_trw_layer_filein_add_waypoint ( vtl, c_wp_name, c_wp ); |
389 | g_free ( c_wp_name ); | |
8c4f1350 EB |
390 | c_wp = NULL; |
391 | c_wp_name = NULL; | |
392 | break; | |
393 | ||
394 | case tt_trk: | |
43e2df3e RN |
395 | if ( ! c_tr_name ) |
396 | c_tr_name = g_strdup_printf("VIKING_TR%03d", unnamed_tracks++); | |
397 | // Delibrate fall through | |
0d2b891f | 398 | case tt_rte: |
8c4f1350 | 399 | if ( ! c_tr_name ) |
43e2df3e | 400 | c_tr_name = g_strdup_printf("VIKING_RT%03d", unnamed_routes++); |
805d282e EB |
401 | vik_trw_layer_filein_add_track ( vtl, c_tr_name, c_tr ); |
402 | g_free ( c_tr_name ); | |
8c4f1350 EB |
403 | c_tr = NULL; |
404 | c_tr_name = NULL; | |
405 | break; | |
406 | ||
407 | case tt_wpt_name: | |
408 | if ( c_wp_name ) | |
409 | g_free ( c_wp_name ); | |
410 | c_wp_name = g_strdup ( c_cdata->str ); | |
411 | g_string_erase ( c_cdata, 0, -1 ); | |
412 | break; | |
413 | ||
414 | case tt_trk_name: | |
415 | if ( c_tr_name ) | |
416 | g_free ( c_tr_name ); | |
417 | c_tr_name = g_strdup ( c_cdata->str ); | |
418 | g_string_erase ( c_cdata, 0, -1 ); | |
419 | break; | |
420 | ||
421 | case tt_wpt_ele: | |
d1cd12c0 | 422 | c_wp->altitude = g_ascii_strtod ( c_cdata->str, NULL ); |
8c4f1350 EB |
423 | g_string_erase ( c_cdata, 0, -1 ); |
424 | break; | |
425 | ||
426 | case tt_trk_trkseg_trkpt_ele: | |
d1cd12c0 | 427 | c_tp->altitude = g_ascii_strtod ( c_cdata->str, NULL ); |
8c4f1350 EB |
428 | g_string_erase ( c_cdata, 0, -1 ); |
429 | break; | |
430 | ||
bf35388d | 431 | case tt_waypoint_name: /* .loc name is really description. */ |
8c4f1350 | 432 | case tt_wpt_desc: |
6b2f262e RN |
433 | vik_waypoint_set_description ( c_wp, c_cdata->str ); |
434 | g_string_erase ( c_cdata, 0, -1 ); | |
435 | break; | |
436 | ||
437 | case tt_wpt_cmt: | |
8c4f1350 EB |
438 | vik_waypoint_set_comment ( c_wp, c_cdata->str ); |
439 | g_string_erase ( c_cdata, 0, -1 ); | |
440 | break; | |
441 | ||
be455472 RN |
442 | case tt_wpt_src: |
443 | vik_waypoint_set_source ( c_wp, c_cdata->str ); | |
444 | g_string_erase ( c_cdata, 0, -1 ); | |
445 | break; | |
446 | ||
01cfda98 RN |
447 | case tt_wpt_type: |
448 | vik_waypoint_set_type ( c_wp, c_cdata->str ); | |
449 | g_string_erase ( c_cdata, 0, -1 ); | |
450 | break; | |
451 | ||
415b0e21 RN |
452 | case tt_wpt_url: |
453 | vik_waypoint_set_url ( c_wp, c_cdata->str ); | |
454 | g_string_erase ( c_cdata, 0, -1 ); | |
455 | break; | |
456 | ||
8c4f1350 EB |
457 | case tt_wpt_link: |
458 | vik_waypoint_set_image ( c_wp, c_cdata->str ); | |
459 | g_string_erase ( c_cdata, 0, -1 ); | |
460 | break; | |
461 | ||
ea3933fc | 462 | case tt_wpt_sym: { |
fffcc269 | 463 | vik_waypoint_set_symbol ( c_wp, c_cdata->str ); |
42c2ac3e AF |
464 | g_string_erase ( c_cdata, 0, -1 ); |
465 | break; | |
ea3933fc | 466 | } |
42c2ac3e | 467 | |
8c4f1350 | 468 | case tt_trk_desc: |
6b2f262e RN |
469 | vik_track_set_description ( c_tr, c_cdata->str ); |
470 | g_string_erase ( c_cdata, 0, -1 ); | |
471 | break; | |
472 | ||
be455472 RN |
473 | case tt_trk_src: |
474 | vik_track_set_source ( c_tr, c_cdata->str ); | |
475 | g_string_erase ( c_cdata, 0, -1 ); | |
476 | break; | |
477 | ||
01cfda98 RN |
478 | case tt_trk_type: |
479 | vik_track_set_type ( c_tr, c_cdata->str ); | |
480 | g_string_erase ( c_cdata, 0, -1 ); | |
481 | break; | |
482 | ||
6b2f262e | 483 | case tt_trk_cmt: |
8c4f1350 EB |
484 | vik_track_set_comment ( c_tr, c_cdata->str ); |
485 | g_string_erase ( c_cdata, 0, -1 ); | |
486 | break; | |
487 | ||
f2ef466d RN |
488 | case tt_wpt_time: |
489 | if ( g_time_val_from_iso8601(c_cdata->str, &wp_time) ) { | |
490 | c_wp->timestamp = wp_time.tv_sec; | |
491 | c_wp->has_timestamp = TRUE; | |
492 | } | |
493 | g_string_erase ( c_cdata, 0, -1 ); | |
494 | break; | |
495 | ||
b45865b4 RN |
496 | case tt_trk_trkseg_trkpt_name: |
497 | vik_trackpoint_set_name ( c_tp, c_cdata->str ); | |
498 | g_string_erase ( c_cdata, 0, -1 ); | |
499 | break; | |
500 | ||
8c4f1350 | 501 | case tt_trk_trkseg_trkpt_time: |
dd81e762 GB |
502 | if ( g_time_val_from_iso8601(c_cdata->str, &tp_time) ) { |
503 | c_tp->timestamp = tp_time.tv_sec; | |
8c4f1350 EB |
504 | c_tp->has_timestamp = TRUE; |
505 | } | |
506 | g_string_erase ( c_cdata, 0, -1 ); | |
bf35388d | 507 | break; |
8c4f1350 | 508 | |
a2817d3c | 509 | case tt_trk_trkseg_trkpt_course: |
d1cd12c0 | 510 | c_tp->course = g_ascii_strtod ( c_cdata->str, NULL ); |
a2817d3c QT |
511 | g_string_erase ( c_cdata, 0, -1 ); |
512 | break; | |
513 | ||
514 | case tt_trk_trkseg_trkpt_speed: | |
d1cd12c0 | 515 | c_tp->speed = g_ascii_strtod ( c_cdata->str, NULL ); |
a2817d3c QT |
516 | g_string_erase ( c_cdata, 0, -1 ); |
517 | break; | |
518 | ||
519 | case tt_trk_trkseg_trkpt_fix: | |
a2817d3c QT |
520 | if (!strcmp("2d", c_cdata->str)) |
521 | c_tp->fix_mode = VIK_GPS_MODE_2D; | |
522 | else if (!strcmp("3d", c_cdata->str)) | |
523 | c_tp->fix_mode = VIK_GPS_MODE_3D; | |
e29aad19 RN |
524 | else if (!strcmp("dgps", c_cdata->str)) |
525 | c_tp->fix_mode = VIK_GPS_MODE_DGPS; | |
526 | else if (!strcmp("pps", c_cdata->str)) | |
527 | c_tp->fix_mode = VIK_GPS_MODE_PPS; | |
528 | else | |
a2817d3c QT |
529 | c_tp->fix_mode = VIK_GPS_MODE_NOT_SEEN; |
530 | g_string_erase ( c_cdata, 0, -1 ); | |
531 | break; | |
532 | ||
533 | case tt_trk_trkseg_trkpt_sat: | |
a2817d3c QT |
534 | c_tp->nsats = atoi ( c_cdata->str ); |
535 | g_string_erase ( c_cdata, 0, -1 ); | |
536 | break; | |
537 | ||
4a42b254 | 538 | case tt_trk_trkseg_trkpt_hdop: |
4a42b254 T |
539 | c_tp->hdop = g_strtod ( c_cdata->str, NULL ); |
540 | g_string_erase ( c_cdata, 0, -1 ); | |
541 | break; | |
542 | ||
543 | case tt_trk_trkseg_trkpt_vdop: | |
4a42b254 T |
544 | c_tp->vdop = g_strtod ( c_cdata->str, NULL ); |
545 | g_string_erase ( c_cdata, 0, -1 ); | |
546 | break; | |
547 | ||
548 | case tt_trk_trkseg_trkpt_pdop: | |
4a42b254 T |
549 | c_tp->pdop = g_strtod ( c_cdata->str, NULL ); |
550 | g_string_erase ( c_cdata, 0, -1 ); | |
551 | break; | |
552 | ||
8c4f1350 EB |
553 | default: break; |
554 | } | |
555 | ||
556 | current_tag = get_tag ( xpath->str ); | |
557 | } | |
558 | ||
559 | static void gpx_cdata(void *dta, const XML_Char *s, int len) | |
560 | { | |
561 | switch ( current_tag ) { | |
6ba42f1e RN |
562 | case tt_gpx_name: |
563 | case tt_gpx_author: | |
564 | case tt_gpx_desc: | |
565 | case tt_gpx_keywords: | |
566 | case tt_gpx_time: | |
8c4f1350 EB |
567 | case tt_wpt_name: |
568 | case tt_trk_name: | |
569 | case tt_wpt_ele: | |
570 | case tt_trk_trkseg_trkpt_ele: | |
6b2f262e | 571 | case tt_wpt_cmt: |
8c4f1350 | 572 | case tt_wpt_desc: |
be455472 | 573 | case tt_wpt_src: |
01cfda98 | 574 | case tt_wpt_type: |
42c2ac3e | 575 | case tt_wpt_sym: |
415b0e21 | 576 | case tt_wpt_url: |
8c4f1350 | 577 | case tt_wpt_link: |
6b2f262e | 578 | case tt_trk_cmt: |
8c4f1350 | 579 | case tt_trk_desc: |
be455472 | 580 | case tt_trk_src: |
01cfda98 | 581 | case tt_trk_type: |
8c4f1350 | 582 | case tt_trk_trkseg_trkpt_time: |
f2ef466d | 583 | case tt_wpt_time: |
b45865b4 | 584 | case tt_trk_trkseg_trkpt_name: |
a2817d3c QT |
585 | case tt_trk_trkseg_trkpt_course: |
586 | case tt_trk_trkseg_trkpt_speed: | |
587 | case tt_trk_trkseg_trkpt_fix: | |
588 | case tt_trk_trkseg_trkpt_sat: | |
4a42b254 T |
589 | case tt_trk_trkseg_trkpt_hdop: |
590 | case tt_trk_trkseg_trkpt_vdop: | |
591 | case tt_trk_trkseg_trkpt_pdop: | |
bf35388d | 592 | case tt_waypoint_name: /* .loc name is really description. */ |
8c4f1350 EB |
593 | g_string_append_len ( c_cdata, s, len ); |
594 | break; | |
595 | ||
596 | default: break; /* ignore cdata from other things */ | |
597 | } | |
598 | } | |
599 | ||
600 | // make like a "stack" of tag names | |
601 | // like gpspoint's separated like /gpx/wpt/whatever | |
602 | ||
efe9a9c3 | 603 | gboolean a_gpx_read_file( VikTrwLayer *vtl, FILE *f ) { |
8c4f1350 EB |
604 | XML_Parser parser = XML_ParserCreate(NULL); |
605 | int done=0, len; | |
efe9a9c3 | 606 | enum XML_Status status = XML_STATUS_ERROR; |
8c4f1350 EB |
607 | |
608 | XML_SetElementHandler(parser, (XML_StartElementHandler) gpx_start, (XML_EndElementHandler) gpx_end); | |
609 | XML_SetUserData(parser, vtl); /* in the future we could remove all global variables */ | |
610 | XML_SetCharacterDataHandler(parser, (XML_CharacterDataHandler) gpx_cdata); | |
611 | ||
612 | gchar buf[4096]; | |
613 | ||
bf35388d | 614 | g_assert ( f != NULL && vtl != NULL ); |
8c4f1350 EB |
615 | |
616 | xpath = g_string_new ( "" ); | |
617 | c_cdata = g_string_new ( "" ); | |
618 | ||
43e2df3e RN |
619 | unnamed_waypoints = 1; |
620 | unnamed_tracks = 1; | |
621 | unnamed_routes = 1; | |
8c4f1350 EB |
622 | |
623 | while (!done) { | |
624 | len = fread(buf, 1, sizeof(buf)-7, f); | |
625 | done = feof(f) || !len; | |
efe9a9c3 | 626 | status = XML_Parse(parser, buf, len, done); |
8c4f1350 EB |
627 | } |
628 | ||
6278ccc6 | 629 | XML_ParserFree (parser); |
8c4f1350 EB |
630 | g_string_free ( xpath, TRUE ); |
631 | g_string_free ( c_cdata, TRUE ); | |
efe9a9c3 GB |
632 | |
633 | return status != XML_STATUS_ERROR; | |
8c4f1350 | 634 | } |
561e6ad0 EB |
635 | |
636 | /**** entitize from GPSBabel ****/ | |
637 | typedef struct { | |
638 | const char * text; | |
639 | const char * entity; | |
640 | int not_html; | |
641 | } entity_types; | |
642 | ||
643 | static | |
644 | entity_types stdentities[] = { | |
645 | { "&", "&", 0 }, | |
646 | { "'", "'", 1 }, | |
647 | { "<", "<", 0 }, | |
648 | { ">", ">", 0 }, | |
649 | { "\"", """, 0 }, | |
650 | { NULL, NULL, 0 } | |
651 | }; | |
652 | ||
653 | void utf8_to_int( const char *cp, int *bytes, int *value ) | |
654 | { | |
655 | if ( (*cp & 0xe0) == 0xc0 ) { | |
656 | if ( (*(cp+1) & 0xc0) != 0x80 ) goto dodefault; | |
657 | *bytes = 2; | |
658 | *value = ((*cp & 0x1f) << 6) | | |
659 | (*(cp+1) & 0x3f); | |
660 | } | |
661 | else if ( (*cp & 0xf0) == 0xe0 ) { | |
662 | if ( (*(cp+1) & 0xc0) != 0x80 ) goto dodefault; | |
663 | if ( (*(cp+2) & 0xc0) != 0x80 ) goto dodefault; | |
664 | *bytes = 3; | |
665 | *value = ((*cp & 0x0f) << 12) | | |
666 | ((*(cp+1) & 0x3f) << 6) | | |
667 | (*(cp+2) & 0x3f); | |
668 | } | |
669 | else if ( (*cp & 0xf8) == 0xf0 ) { | |
670 | if ( (*(cp+1) & 0xc0) != 0x80 ) goto dodefault; | |
671 | if ( (*(cp+2) & 0xc0) != 0x80 ) goto dodefault; | |
672 | if ( (*(cp+3) & 0xc0) != 0x80 ) goto dodefault; | |
673 | *bytes = 4; | |
674 | *value = ((*cp & 0x07) << 18) | | |
675 | ((*(cp+1) & 0x3f) << 12) | | |
676 | ((*(cp+2) & 0x3f) << 6) | | |
677 | (*(cp+3) & 0x3f); | |
678 | } | |
679 | else if ( (*cp & 0xfc) == 0xf8 ) { | |
680 | if ( (*(cp+1) & 0xc0) != 0x80 ) goto dodefault; | |
681 | if ( (*(cp+2) & 0xc0) != 0x80 ) goto dodefault; | |
682 | if ( (*(cp+3) & 0xc0) != 0x80 ) goto dodefault; | |
683 | if ( (*(cp+4) & 0xc0) != 0x80 ) goto dodefault; | |
684 | *bytes = 5; | |
685 | *value = ((*cp & 0x03) << 24) | | |
686 | ((*(cp+1) & 0x3f) << 18) | | |
687 | ((*(cp+2) & 0x3f) << 12) | | |
688 | ((*(cp+3) & 0x3f) << 6) | | |
689 | (*(cp+4) & 0x3f); | |
690 | } | |
691 | else if ( (*cp & 0xfe) == 0xfc ) { | |
692 | if ( (*(cp+1) & 0xc0) != 0x80 ) goto dodefault; | |
693 | if ( (*(cp+2) & 0xc0) != 0x80 ) goto dodefault; | |
694 | if ( (*(cp+3) & 0xc0) != 0x80 ) goto dodefault; | |
695 | if ( (*(cp+4) & 0xc0) != 0x80 ) goto dodefault; | |
696 | if ( (*(cp+5) & 0xc0) != 0x80 ) goto dodefault; | |
697 | *bytes = 6; | |
698 | *value = ((*cp & 0x01) << 30) | | |
699 | ((*(cp+1) & 0x3f) << 24) | | |
700 | ((*(cp+2) & 0x3f) << 18) | | |
701 | ((*(cp+3) & 0x3f) << 12) | | |
702 | ((*(cp+4) & 0x3f) << 6) | | |
703 | (*(cp+5) & 0x3f); | |
704 | } | |
705 | else { | |
706 | dodefault: | |
707 | *bytes = 1; | |
708 | *value = (unsigned char)*cp; | |
709 | } | |
710 | } | |
711 | ||
712 | static | |
713 | char * | |
714 | entitize(const char * str) | |
715 | { | |
716 | int elen, ecount, nsecount; | |
717 | entity_types *ep; | |
718 | const char * cp; | |
719 | char * p, * tmp, * xstr; | |
720 | ||
721 | char tmpsub[20]; | |
722 | int bytes = 0; | |
723 | int value = 0; | |
724 | ep = stdentities; | |
725 | elen = ecount = nsecount = 0; | |
726 | ||
727 | /* figure # of entity replacements and additional size. */ | |
728 | while (ep->text) { | |
729 | cp = str; | |
730 | while ((cp = strstr(cp, ep->text)) != NULL) { | |
731 | elen += strlen(ep->entity) - strlen(ep->text); | |
732 | ecount++; | |
733 | cp += strlen(ep->text); | |
734 | } | |
735 | ep++; | |
736 | } | |
737 | ||
738 | /* figure the same for other than standard entities (i.e. anything | |
739 | * that isn't in the range U+0000 to U+007F */ | |
740 | for ( cp = str; *cp; cp++ ) { | |
741 | if ( *cp & 0x80 ) { | |
742 | ||
743 | utf8_to_int( cp, &bytes, &value ); | |
744 | cp += bytes-1; | |
745 | elen += sprintf( tmpsub, "&#x%x;", value ) - bytes; | |
746 | nsecount++; | |
747 | } | |
748 | } | |
749 | ||
750 | /* enough space for the whole string plus entity replacements, if any */ | |
751 | tmp = g_malloc((strlen(str) + elen + 1)); | |
752 | strcpy(tmp, str); | |
753 | ||
754 | /* no entity replacements */ | |
755 | if (ecount == 0 && nsecount == 0) | |
756 | return (tmp); | |
757 | ||
758 | if ( ecount != 0 ) { | |
759 | for (ep = stdentities; ep->text; ep++) { | |
760 | p = tmp; | |
761 | while ((p = strstr(p, ep->text)) != NULL) { | |
762 | elen = strlen(ep->entity); | |
763 | ||
764 | xstr = g_strdup(p + strlen(ep->text)); | |
765 | ||
766 | strcpy(p, ep->entity); | |
767 | strcpy(p + elen, xstr); | |
768 | ||
769 | g_free(xstr); | |
770 | ||
771 | p += elen; | |
772 | } | |
773 | } | |
774 | } | |
775 | ||
776 | if ( nsecount != 0 ) { | |
777 | p = tmp; | |
778 | while (*p) { | |
779 | if ( *p & 0x80 ) { | |
780 | utf8_to_int( p, &bytes, &value ); | |
781 | if ( p[bytes] ) { | |
782 | xstr = g_strdup( p + bytes ); | |
783 | } | |
784 | else { | |
785 | xstr = NULL; | |
786 | } | |
787 | sprintf( p, "&#x%x;", value ); | |
788 | p = p+strlen(p); | |
789 | if ( xstr ) { | |
790 | strcpy( p, xstr ); | |
791 | g_free(xstr); | |
792 | } | |
793 | } | |
794 | else { | |
795 | p++; | |
796 | } | |
797 | } | |
798 | } | |
799 | return (tmp); | |
800 | } | |
801 | /**** end GPSBabel code ****/ | |
802 | ||
803 | /* export GPX */ | |
8904c540 | 804 | |
c9570f86 | 805 | static void gpx_write_waypoint ( VikWaypoint *wp, GpxWritingContext *context ) |
561e6ad0 | 806 | { |
208d2084 RN |
807 | // Don't write invisible waypoints when specified |
808 | if (context->options && !context->options->hidden && !wp->visible) | |
809 | return; | |
810 | ||
0b72c435 | 811 | FILE *f = context->file; |
561e6ad0 | 812 | static struct LatLon ll; |
8904c540 | 813 | gchar *s_lat,*s_lon; |
561e6ad0 EB |
814 | gchar *tmp; |
815 | vik_coord_to_latlon ( &(wp->coord), &ll ); | |
161aa492 EB |
816 | s_lat = a_coords_dtostr( ll.lat ); |
817 | s_lon = a_coords_dtostr( ll.lon ); | |
208d2084 RN |
818 | // NB 'hidden' is not part of any GPX standard - this appears to be a made up Viking 'extension' |
819 | // luckily most other GPX processing software ignores things they don't understand | |
8904c540 GB |
820 | fprintf ( f, "<wpt lat=\"%s\" lon=\"%s\"%s>\n", |
821 | s_lat, s_lon, wp->visible ? "" : " hidden=\"hidden\"" ); | |
822 | g_free ( s_lat ); | |
823 | g_free ( s_lon ); | |
561e6ad0 | 824 | |
c9570f86 RN |
825 | // Sanity clause |
826 | if ( wp->name ) | |
827 | tmp = entitize ( wp->name ); | |
828 | else | |
829 | tmp = g_strdup ("waypoint"); | |
830 | ||
561e6ad0 EB |
831 | fprintf ( f, " <name>%s</name>\n", tmp ); |
832 | g_free ( tmp); | |
833 | ||
834 | if ( wp->altitude != VIK_DEFAULT_ALTITUDE ) | |
8904c540 | 835 | { |
161aa492 | 836 | tmp = a_coords_dtostr ( wp->altitude ); |
8904c540 GB |
837 | fprintf ( f, " <ele>%s</ele>\n", tmp ); |
838 | g_free ( tmp ); | |
839 | } | |
f2ef466d RN |
840 | |
841 | if ( wp->has_timestamp ) { | |
842 | GTimeVal timestamp; | |
843 | timestamp.tv_sec = wp->timestamp; | |
844 | timestamp.tv_usec = 0; | |
845 | ||
846 | gchar *time_iso8601 = g_time_val_to_iso8601 ( ×tamp ); | |
847 | if ( time_iso8601 != NULL ) | |
848 | fprintf ( f, " <time>%s</time>\n", time_iso8601 ); | |
849 | g_free ( time_iso8601 ); | |
850 | } | |
851 | ||
561e6ad0 EB |
852 | if ( wp->comment ) |
853 | { | |
854 | tmp = entitize(wp->comment); | |
6b2f262e RN |
855 | fprintf ( f, " <cmt>%s</cmt>\n", tmp ); |
856 | g_free ( tmp ); | |
857 | } | |
858 | if ( wp->description ) | |
859 | { | |
860 | tmp = entitize(wp->description); | |
561e6ad0 EB |
861 | fprintf ( f, " <desc>%s</desc>\n", tmp ); |
862 | g_free ( tmp ); | |
863 | } | |
be455472 RN |
864 | if ( wp->source ) |
865 | { | |
866 | tmp = entitize(wp->source); | |
867 | fprintf ( f, " <src>%s</src>\n", tmp ); | |
868 | g_free ( tmp ); | |
869 | } | |
01cfda98 RN |
870 | if ( wp->type ) |
871 | { | |
872 | tmp = entitize(wp->type); | |
873 | fprintf ( f, " <type>%s</type>\n", tmp ); | |
874 | g_free ( tmp ); | |
875 | } | |
415b0e21 RN |
876 | if ( wp->url ) |
877 | { | |
878 | tmp = entitize(wp->url); | |
879 | fprintf ( f, " <url>%s</url>\n", tmp ); | |
880 | g_free ( tmp ); | |
881 | } | |
561e6ad0 EB |
882 | if ( wp->image ) |
883 | { | |
884 | tmp = entitize(wp->image); | |
885 | fprintf ( f, " <link>%s</link>\n", tmp ); | |
886 | g_free ( tmp ); | |
887 | } | |
42c2ac3e AF |
888 | if ( wp->symbol ) |
889 | { | |
890 | tmp = entitize(wp->symbol); | |
72f067ad RN |
891 | if ( a_vik_gpx_export_wpt_sym_name ( ) ) { |
892 | // Lowercase the symbol name | |
893 | gchar *tmp2 = g_utf8_strdown ( tmp, -1 ); | |
894 | fprintf ( f, " <sym>%s</sym>\n", tmp2 ); | |
895 | g_free ( tmp2 ); | |
896 | } | |
897 | else | |
898 | fprintf ( f, " <sym>%s</sym>\n", tmp); | |
42c2ac3e AF |
899 | g_free ( tmp ); |
900 | } | |
901 | ||
561e6ad0 EB |
902 | fprintf ( f, "</wpt>\n" ); |
903 | } | |
904 | ||
0b72c435 | 905 | static void gpx_write_trackpoint ( VikTrackpoint *tp, GpxWritingContext *context ) |
561e6ad0 | 906 | { |
0b72c435 | 907 | FILE *f = context->file; |
561e6ad0 | 908 | static struct LatLon ll; |
4a42b254 | 909 | gchar *s_lat,*s_lon, *s_alt, *s_dop; |
dd81e762 | 910 | gchar *time_iso8601; |
561e6ad0 EB |
911 | vik_coord_to_latlon ( &(tp->coord), &ll ); |
912 | ||
0d2b891f RN |
913 | // No such thing as a rteseg! So make sure we don't put them in |
914 | if ( context->options && !context->options->is_route && tp->newsegment ) | |
561e6ad0 EB |
915 | fprintf ( f, " </trkseg>\n <trkseg>\n" ); |
916 | ||
161aa492 EB |
917 | s_lat = a_coords_dtostr( ll.lat ); |
918 | s_lon = a_coords_dtostr( ll.lon ); | |
0d2b891f | 919 | fprintf ( f, " <%spt lat=\"%s\" lon=\"%s\">\n", (context->options && context->options->is_route) ? "rte" : "trk", s_lat, s_lon ); |
0b72c435 OK |
920 | g_free ( s_lat ); s_lat = NULL; |
921 | g_free ( s_lon ); s_lon = NULL; | |
561e6ad0 | 922 | |
b45865b4 RN |
923 | if (tp->name) { |
924 | gchar *s_name = entitize(tp->name); | |
925 | fprintf ( f, " <name>%s</name>\n", s_name ); | |
926 | g_free(s_name); | |
927 | } | |
928 | ||
0b72c435 | 929 | s_alt = NULL; |
561e6ad0 | 930 | if ( tp->altitude != VIK_DEFAULT_ALTITUDE ) |
8904c540 | 931 | { |
161aa492 | 932 | s_alt = a_coords_dtostr ( tp->altitude ); |
8904c540 | 933 | } |
0b72c435 | 934 | else if ( context->options != NULL && context->options->force_ele ) |
36179a2e OK |
935 | { |
936 | s_alt = a_coords_dtostr ( 0 ); | |
937 | } | |
0b72c435 OK |
938 | if (s_alt != NULL) |
939 | fprintf ( f, " <ele>%s</ele>\n", s_alt ); | |
940 | g_free ( s_alt ); s_alt = NULL; | |
36179a2e | 941 | |
dd81e762 | 942 | time_iso8601 = NULL; |
561e6ad0 | 943 | if ( tp->has_timestamp ) { |
dd81e762 GB |
944 | GTimeVal timestamp; |
945 | timestamp.tv_sec = tp->timestamp; | |
61f37ac9 | 946 | timestamp.tv_usec = 0; |
dd81e762 GB |
947 | |
948 | time_iso8601 = g_time_val_to_iso8601 ( ×tamp ); | |
561e6ad0 | 949 | } |
0b72c435 | 950 | else if ( context->options != NULL && context->options->force_time ) |
36179a2e | 951 | { |
dd81e762 GB |
952 | GTimeVal current; |
953 | g_get_current_time ( ¤t ); | |
36179a2e | 954 | |
dd81e762 | 955 | time_iso8601 = g_time_val_to_iso8601 ( ¤t ); |
36179a2e | 956 | } |
dd81e762 GB |
957 | if ( time_iso8601 != NULL ) |
958 | fprintf ( f, " <time>%s</time>\n", time_iso8601 ); | |
959 | g_free(time_iso8601); | |
960 | time_iso8601 = NULL; | |
36179a2e | 961 | |
ad54cd32 T |
962 | if (!isnan(tp->course)) { |
963 | gchar *s_course = a_coords_dtostr(tp->course); | |
964 | fprintf ( f, " <course>%s</course>\n", s_course ); | |
965 | g_free(s_course); | |
a2817d3c | 966 | } |
ad54cd32 T |
967 | if (!isnan(tp->speed)) { |
968 | gchar *s_speed = a_coords_dtostr(tp->speed); | |
969 | fprintf ( f, " <speed>%s</speed>\n", s_speed ); | |
970 | g_free(s_speed); | |
971 | } | |
972 | if (tp->fix_mode == VIK_GPS_MODE_2D) | |
973 | fprintf ( f, " <fix>2d</fix>\n"); | |
974 | if (tp->fix_mode == VIK_GPS_MODE_3D) | |
975 | fprintf ( f, " <fix>3d</fix>\n"); | |
e29aad19 RN |
976 | if (tp->fix_mode == VIK_GPS_MODE_DGPS) |
977 | fprintf ( f, " <fix>dgps</fix>\n"); | |
978 | if (tp->fix_mode == VIK_GPS_MODE_PPS) | |
979 | fprintf ( f, " <fix>pps</fix>\n"); | |
ad54cd32 T |
980 | if (tp->nsats > 0) |
981 | fprintf ( f, " <sat>%d</sat>\n", tp->nsats ); | |
a2817d3c | 982 | |
4a42b254 T |
983 | s_dop = NULL; |
984 | if ( tp->hdop != VIK_DEFAULT_DOP ) | |
985 | { | |
986 | s_dop = a_coords_dtostr ( tp->hdop ); | |
987 | } | |
988 | if (s_dop != NULL) | |
989 | fprintf ( f, " <hdop>%s</hdop>\n", s_dop ); | |
990 | g_free ( s_dop ); s_dop = NULL; | |
991 | ||
992 | if ( tp->vdop != VIK_DEFAULT_DOP ) | |
993 | { | |
994 | s_dop = a_coords_dtostr ( tp->vdop ); | |
995 | } | |
996 | if (s_dop != NULL) | |
997 | fprintf ( f, " <vdop>%s</vdop>\n", s_dop ); | |
998 | g_free ( s_dop ); s_dop = NULL; | |
999 | ||
1000 | if ( tp->pdop != VIK_DEFAULT_DOP ) | |
1001 | { | |
1002 | s_dop = a_coords_dtostr ( tp->pdop ); | |
1003 | } | |
1004 | if (s_dop != NULL) | |
1005 | fprintf ( f, " <pdop>%s</pdop>\n", s_dop ); | |
1006 | g_free ( s_dop ); s_dop = NULL; | |
1007 | ||
0d2b891f | 1008 | fprintf ( f, " </%spt>\n", (context->options && context->options->is_route) ? "rte" : "trk" ); |
561e6ad0 EB |
1009 | } |
1010 | ||
1011 | ||
ce4bd1cf | 1012 | static void gpx_write_track ( VikTrack *t, GpxWritingContext *context ) |
561e6ad0 | 1013 | { |
208d2084 RN |
1014 | // Don't write invisible tracks when specified |
1015 | if (context->options && !context->options->hidden && !t->visible) | |
1016 | return; | |
1017 | ||
0b72c435 | 1018 | FILE *f = context->file; |
561e6ad0 | 1019 | gchar *tmp; |
494eb388 | 1020 | gboolean first_tp_is_newsegment = FALSE; /* must temporarily make it not so, but we want to restore state. not that it matters. */ |
561e6ad0 | 1021 | |
ce4bd1cf RN |
1022 | // Sanity clause |
1023 | if ( t->name ) | |
1024 | tmp = entitize ( t->name ); | |
1025 | else | |
1026 | tmp = g_strdup ("track"); | |
1027 | ||
208d2084 RN |
1028 | // NB 'hidden' is not part of any GPX standard - this appears to be a made up Viking 'extension' |
1029 | // luckily most other GPX processing software ignores things they don't understand | |
0d2b891f RN |
1030 | fprintf ( f, "<%s%s>\n <name>%s</name>\n", |
1031 | t->is_route ? "rte" : "trk", | |
1032 | t->visible ? "" : " hidden=\"hidden\"", | |
1033 | tmp ); | |
561e6ad0 EB |
1034 | g_free ( tmp ); |
1035 | ||
1036 | if ( t->comment ) | |
1037 | { | |
1038 | tmp = entitize ( t->comment ); | |
6b2f262e RN |
1039 | fprintf ( f, " <cmt>%s</cmt>\n", tmp ); |
1040 | g_free ( tmp ); | |
1041 | } | |
1042 | ||
1043 | if ( t->description ) | |
1044 | { | |
1045 | tmp = entitize ( t->description ); | |
561e6ad0 EB |
1046 | fprintf ( f, " <desc>%s</desc>\n", tmp ); |
1047 | g_free ( tmp ); | |
1048 | } | |
0d2b891f | 1049 | |
be455472 RN |
1050 | if ( t->source ) |
1051 | { | |
1052 | tmp = entitize ( t->source ); | |
1053 | fprintf ( f, " <src>%s</src>\n", tmp ); | |
1054 | g_free ( tmp ); | |
1055 | } | |
1056 | ||
01cfda98 RN |
1057 | if ( t->type ) |
1058 | { | |
1059 | tmp = entitize ( t->type ); | |
1060 | fprintf ( f, " <type>%s</type>\n", tmp ); | |
1061 | g_free ( tmp ); | |
1062 | } | |
1063 | ||
0d2b891f RN |
1064 | /* No such thing as a rteseg! */ |
1065 | if ( !t->is_route ) | |
1066 | fprintf ( f, " <trkseg>\n" ); | |
561e6ad0 EB |
1067 | |
1068 | if ( t->trackpoints && t->trackpoints->data ) { | |
1069 | first_tp_is_newsegment = VIK_TRACKPOINT(t->trackpoints->data)->newsegment; | |
1070 | VIK_TRACKPOINT(t->trackpoints->data)->newsegment = FALSE; /* so we won't write </trkseg><trkseg> already */ | |
0b72c435 | 1071 | g_list_foreach ( t->trackpoints, (GFunc) gpx_write_trackpoint, context ); |
561e6ad0 | 1072 | VIK_TRACKPOINT(t->trackpoints->data)->newsegment = first_tp_is_newsegment; /* restore state */ |
494eb388 | 1073 | } |
561e6ad0 | 1074 | |
0d2b891f RN |
1075 | /* NB apparently no such thing as a rteseg! */ |
1076 | if (!t->is_route) | |
1077 | fprintf ( f, " </trkseg>\n"); | |
1078 | ||
1079 | fprintf ( f, "</%s>\n", t->is_route ? "rte" : "trk" ); | |
561e6ad0 EB |
1080 | } |
1081 | ||
5092de80 | 1082 | static void gpx_write_header( FILE *f ) |
561e6ad0 EB |
1083 | { |
1084 | fprintf(f, "<?xml version=\"1.0\"?>\n" | |
1085 | "<gpx version=\"1.0\" creator=\"Viking -- http://viking.sf.net/\"\n" | |
1086 | "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n" | |
1087 | "xmlns=\"http://www.topografix.com/GPX/1/0\"\n" | |
1088 | "xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\">\n"); | |
5092de80 GB |
1089 | } |
1090 | ||
1091 | static void gpx_write_footer( FILE *f ) | |
1092 | { | |
561e6ad0 | 1093 | fprintf(f, "</gpx>\n"); |
5092de80 | 1094 | } |
561e6ad0 | 1095 | |
c9570f86 | 1096 | static int gpx_waypoint_compare(const void *x, const void *y) |
eab858a1 | 1097 | { |
c9570f86 RN |
1098 | VikWaypoint *a = (VikWaypoint *)x; |
1099 | VikWaypoint *b = (VikWaypoint *)y; | |
eab858a1 EB |
1100 | return strcmp(a->name,b->name); |
1101 | } | |
1102 | ||
0d2b891f RN |
1103 | static int gpx_track_compare_name(const void *x, const void *y) |
1104 | { | |
1105 | VikTrack *a = (VikTrack *)x; | |
1106 | VikTrack *b = (VikTrack *)y; | |
1107 | return strcmp(a->name,b->name); | |
1108 | } | |
1109 | ||
208d2084 | 1110 | void a_gpx_write_file ( VikTrwLayer *vtl, FILE *f, GpxWritingOptions *options ) |
0b72c435 OK |
1111 | { |
1112 | GpxWritingContext context = { options, f }; | |
eab858a1 | 1113 | |
5092de80 | 1114 | gpx_write_header ( f ); |
eab858a1 | 1115 | |
6ba42f1e RN |
1116 | gchar *tmp; |
1117 | const gchar *name = vik_layer_get_name(VIK_LAYER(vtl)); | |
1118 | if ( name ) { | |
1119 | tmp = entitize ( name ); | |
1120 | fprintf ( f, " <name>%s</name>\n", tmp ); | |
1121 | g_free ( tmp ); | |
1122 | } | |
1123 | ||
1124 | VikTRWMetadata *md = vik_trw_layer_get_metadata (vtl); | |
1125 | if ( md ) { | |
1126 | if ( md->author ) { | |
1127 | tmp = entitize ( md->author ); | |
1128 | fprintf ( f, " <author>%s</author>\n", tmp ); | |
1129 | g_free ( tmp ); | |
1130 | } | |
1131 | if ( md->description ) { | |
1132 | tmp = entitize ( md->description ); | |
1133 | fprintf ( f, " <desc>%s</desc>\n", tmp ); | |
1134 | g_free ( tmp ); | |
1135 | } | |
1136 | if ( md->timestamp ) { | |
1137 | tmp = entitize ( md->timestamp ); | |
1138 | fprintf ( f, " <time>%s</time>\n", tmp ); | |
1139 | g_free ( tmp ); | |
1140 | } | |
1141 | if ( md->keywords ) { | |
1142 | tmp = entitize ( md->keywords ); | |
1143 | fprintf ( f, " <keywords>%s</keywords>\n", tmp ); | |
1144 | g_free ( tmp ); | |
1145 | } | |
1146 | } | |
1147 | ||
978cd696 RN |
1148 | if ( vik_trw_layer_get_waypoints_visibility(vtl) || (options && options->hidden) ) { |
1149 | // gather waypoints in a list, then sort | |
1150 | GList *gl = g_hash_table_get_values ( vik_trw_layer_get_waypoints ( vtl ) ); | |
1151 | gl = g_list_sort ( gl, gpx_waypoint_compare ); | |
1152 | ||
1153 | for (GList *iter = g_list_first (gl); iter != NULL; iter = g_list_next (iter)) { | |
1154 | gpx_write_waypoint ( (VikWaypoint*)iter->data, &context ); | |
1155 | } | |
1156 | g_list_free ( gl ); | |
c9570f86 | 1157 | } |
eab858a1 | 1158 | |
978cd696 RN |
1159 | GList *gl = NULL; |
1160 | if ( vik_trw_layer_get_tracks_visibility(vtl) || (options && options->hidden) ) { | |
1161 | //gl = g_hash_table_get_values ( vik_trw_layer_get_tracks ( vtl ) ); | |
1162 | // Forming the list manually seems to produce one that is more likely to be nearer to the creation order | |
1163 | gpointer key, value; | |
1164 | GHashTableIter ght_iter; | |
1165 | g_hash_table_iter_init ( &ght_iter, vik_trw_layer_get_tracks ( vtl ) ); | |
1166 | while ( g_hash_table_iter_next (&ght_iter, &key, &value) ) { | |
1167 | gl = g_list_prepend ( gl ,value ); | |
1168 | } | |
1169 | gl = g_list_reverse ( gl ); | |
d13f1a57 | 1170 | |
978cd696 RN |
1171 | // Sort method determined by preference |
1172 | if ( a_vik_get_gpx_export_trk_sort() == VIK_GPX_EXPORT_TRK_SORT_TIME ) | |
1173 | gl = g_list_sort ( gl, vik_track_compare_timestamp ); | |
1174 | else if ( a_vik_get_gpx_export_trk_sort() == VIK_GPX_EXPORT_TRK_SORT_ALPHA ) | |
1175 | gl = g_list_sort ( gl, gpx_track_compare_name ); | |
b02cd3a3 | 1176 | } |
d13f1a57 | 1177 | |
978cd696 | 1178 | GList *glrte = NULL; |
0d2b891f | 1179 | // Routes sorted by name |
5466f124 | 1180 | if ( vik_trw_layer_get_routes_visibility(vtl) || (options && options->hidden) ) { |
978cd696 RN |
1181 | glrte = g_hash_table_get_values ( vik_trw_layer_get_routes ( vtl ) ); |
1182 | glrte = g_list_sort ( glrte, gpx_track_compare_name ); | |
1183 | } | |
ce4bd1cf | 1184 | |
0d2b891f RN |
1185 | // g_list_concat doesn't copy memory properly |
1186 | // so process each list separately | |
1187 | ||
1188 | GpxWritingContext context_tmp = context; | |
63959706 | 1189 | GpxWritingOptions opt_tmp = { FALSE, FALSE, FALSE, FALSE }; |
0d2b891f RN |
1190 | // Force trackpoints on tracks |
1191 | if ( !context.options ) | |
1192 | context_tmp.options = &opt_tmp; | |
1193 | context_tmp.options->is_route = FALSE; | |
1194 | ||
1195 | // Loop around each list and write each one | |
978cd696 | 1196 | for (GList *iter = g_list_first (gl); iter != NULL; iter = g_list_next (iter)) { |
0d2b891f RN |
1197 | gpx_write_track ( (VikTrack*)iter->data, &context_tmp ); |
1198 | } | |
1199 | ||
1200 | // Routes (to get routepoints) | |
1201 | context_tmp.options->is_route = TRUE; | |
978cd696 | 1202 | for (GList *iter = g_list_first (glrte); iter != NULL; iter = g_list_next (iter)) { |
0d2b891f | 1203 | gpx_write_track ( (VikTrack*)iter->data, &context_tmp ); |
e3449376 | 1204 | } |
ce4bd1cf RN |
1205 | |
1206 | g_list_free ( gl ); | |
0d2b891f | 1207 | g_list_free ( glrte ); |
ce4bd1cf | 1208 | |
5092de80 GB |
1209 | gpx_write_footer ( f ); |
1210 | } | |
561e6ad0 | 1211 | |
208d2084 | 1212 | void a_gpx_write_track_file ( VikTrack *trk, FILE *f, GpxWritingOptions *options ) |
0b72c435 OK |
1213 | { |
1214 | GpxWritingContext context = {options, f}; | |
5092de80 | 1215 | gpx_write_header ( f ); |
ce4bd1cf | 1216 | gpx_write_track ( trk, &context ); |
5092de80 | 1217 | gpx_write_footer ( f ); |
561e6ad0 | 1218 | } |
12ed2b58 RN |
1219 | |
1220 | /** | |
1221 | * Common write of a temporary GPX file | |
1222 | */ | |
1223 | static gchar* write_tmp_file ( VikTrwLayer *vtl, VikTrack *trk, GpxWritingOptions *options ) | |
1224 | { | |
1225 | gchar *tmp_filename = NULL; | |
1226 | GError *error = NULL; | |
1227 | // Opening temporary file | |
1228 | int fd = g_file_open_tmp("viking_XXXXXX.gpx", &tmp_filename, &error); | |
1229 | if (fd < 0) { | |
1230 | g_warning ( _("failed to open temporary file: %s"), error->message ); | |
1231 | g_clear_error ( &error ); | |
1232 | return NULL; | |
1233 | } | |
1234 | g_debug ("%s: temporary file = %s", __FUNCTION__, tmp_filename); | |
1235 | ||
1236 | FILE *ff = fdopen (fd, "w"); | |
1237 | ||
1238 | if ( trk ) | |
1239 | a_gpx_write_track_file ( trk, ff, options ); | |
1240 | else | |
1241 | a_gpx_write_file ( vtl, ff, options ); | |
1242 | ||
1243 | fclose (ff); | |
1244 | ||
1245 | return tmp_filename; | |
1246 | } | |
1247 | ||
1248 | /* | |
1249 | * a_gpx_write_tmp_file: | |
1250 | * @vtl: The #VikTrwLayer to write | |
1251 | * @options: Possible ways of writing the file data (can be NULL) | |
1252 | * | |
1253 | * Returns: The name of newly created temporary GPX file | |
1254 | * This file should be removed once used and the string freed. | |
1255 | * If NULL then the process failed. | |
1256 | */ | |
1257 | gchar* a_gpx_write_tmp_file ( VikTrwLayer *vtl, GpxWritingOptions *options ) | |
1258 | { | |
1259 | return write_tmp_file ( vtl, NULL, options ); | |
1260 | } | |
1261 | ||
1262 | /* | |
1263 | * a_gpx_write_track_tmp_file: | |
1264 | * @trk: The #VikTrack to write | |
1265 | * @options: Possible ways of writing the file data (can be NULL) | |
1266 | * | |
1267 | * Returns: The name of newly created temporary GPX file | |
1268 | * This file should be removed once used and the string freed. | |
1269 | * If NULL then the process failed. | |
1270 | */ | |
1271 | gchar* a_gpx_write_track_tmp_file ( VikTrack *trk, GpxWritingOptions *options ) | |
1272 | { | |
1273 | return write_tmp_file ( NULL, trk, options ); | |
1274 | } |