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Commit | Line | Data |
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50a14534 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
c9570f86 | 5 | * Copyright (C) 2012, Rob Norris <rw_norris@hotmail.com> |
50a14534 EB |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | * | |
21 | */ | |
8c00358d GB |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
50a14534 | 25 | |
8c00358d | 26 | #ifdef HAVE_MATH_H |
a2817d3c | 27 | #include <math.h> |
8c00358d GB |
28 | #endif |
29 | ||
50a14534 EB |
30 | #include "viking.h" |
31 | ||
32 | #include <ctype.h> | |
8c00358d | 33 | #ifdef HAVE_STRING_H |
50a14534 | 34 | #include <string.h> |
8c00358d | 35 | #endif |
50a14534 EB |
36 | |
37 | #include <stdlib.h> | |
38 | /* strtod */ | |
39 | ||
40 | ||
ce4bd1cf | 41 | static void a_gpspoint_write_track ( const gpointer id, const VikTrack *t, FILE *f ); |
50a14534 | 42 | static void a_gpspoint_write_trackpoint ( VikTrackpoint *tp, FILE *f ); |
c9570f86 | 43 | static void a_gpspoint_write_waypoint ( const gpointer id, const VikWaypoint *wp, FILE *f ); |
50a14534 EB |
44 | |
45 | ||
46 | /* outline for file gpspoint.c | |
47 | ||
48 | reading file: | |
49 | ||
50 | take a line. | |
51 | get first tag, if not type, skip it. | |
52 | if type, record type. if waypoint list, etc move on. if track, make a new track, make it current track, add it, etc. | |
53 | if waypoint, read on and store to the waypoint. | |
54 | if trackpoint, make trackpoint, store to current track (error / skip if none) | |
55 | ||
56 | */ | |
57 | ||
58 | /* Thanks to etrex-cache's gpsbabel's gpspoint.c for starting me off! */ | |
59 | ||
60 | static char line_buffer[2048]; | |
61 | ||
62 | #define GPSPOINT_TYPE_NONE 0 | |
63 | #define GPSPOINT_TYPE_WAYPOINT 1 | |
64 | #define GPSPOINT_TYPE_TRACKPOINT 2 | |
65 | /* #define GPSPOINT_TYPE_ROUTEPOINT 3 */ | |
66 | #define GPSPOINT_TYPE_TRACK 4 | |
67 | ||
68 | /* #define GPSPOINT_TYPE_ROUTE 5 */ | |
69 | ||
70 | static VikTrack *current_track; /* pointer to pointer to first GList */ | |
71 | ||
72 | static gint line_type = GPSPOINT_TYPE_NONE; | |
73 | static struct LatLon line_latlon; | |
74 | static gchar *line_name; | |
75 | static gchar *line_comment; | |
76 | static gchar *line_image; | |
acaf7113 | 77 | static gchar *line_symbol; |
50a14534 EB |
78 | static gboolean line_newsegment = FALSE; |
79 | static gboolean line_has_timestamp = FALSE; | |
80 | static time_t line_timestamp = 0; | |
81 | static gdouble line_altitude = VIK_DEFAULT_ALTITUDE; | |
82 | static gboolean line_visible = TRUE; | |
a2817d3c QT |
83 | |
84 | static gboolean line_extended = FALSE; | |
85 | static gdouble line_speed = NAN; | |
86 | static gdouble line_course = NAN; | |
87 | static gint line_sat = 0; | |
88 | static gint line_fix = 0; | |
50a14534 EB |
89 | /* other possible properties go here */ |
90 | ||
91 | ||
92 | static void gpspoint_process_tag ( const gchar *tag, gint len ); | |
93 | static void gpspoint_process_key_and_value ( const gchar *key, gint key_len, const gchar *value, gint value_len ); | |
94 | ||
95 | static gchar *slashdup(const gchar *str) | |
96 | { | |
97 | guint16 len = strlen(str); | |
98 | guint16 need_bs_count, i, j; | |
99 | gchar *rv; | |
100 | for ( i = 0, need_bs_count = 0; i < len; i++ ) | |
101 | if ( str[i] == '\\' || str[i] == '"' ) | |
102 | need_bs_count++; | |
103 | rv = g_malloc ( (len+need_bs_count+1) * sizeof(gchar) ); | |
104 | for ( i = 0, j = 0; i < len; i++, j++ ) | |
105 | { | |
106 | if ( str[i] == '\\' || str[i] == '"' ) | |
107 | rv[j++] = '\\'; | |
108 | rv[j] = str[i]; | |
109 | } | |
110 | rv[j] = '\0'; | |
111 | return rv; | |
112 | } | |
113 | ||
114 | static gchar *deslashndup ( const gchar *str, guint16 len ) | |
115 | { | |
116 | guint16 i,j, bs_count, new_len; | |
117 | gboolean backslash = FALSE; | |
118 | gchar *rv; | |
119 | ||
120 | if ( len < 1 ) | |
121 | return NULL; | |
122 | ||
123 | for ( i = 0, bs_count = 0; i < len; i++ ) | |
124 | if ( str[i] == '\\' ) | |
125 | { | |
126 | bs_count++; | |
127 | i++; | |
128 | } | |
129 | ||
130 | if ( str[i-1] == '\\' && (len == 1 || str[i-2] != '\\') ) | |
131 | bs_count--; | |
132 | ||
133 | new_len = len - bs_count; | |
134 | rv = g_malloc ( (new_len+1) * sizeof(gchar) ); | |
135 | for ( i = 0, j = 0; i < len && j < new_len; i++ ) | |
136 | if ( str[i] == '\\' && !backslash ) | |
137 | backslash = TRUE; | |
138 | else | |
139 | { | |
140 | rv[j++] = str[i]; | |
141 | backslash = FALSE; | |
142 | } | |
143 | ||
144 | rv[new_len] = '\0'; | |
145 | return rv; | |
146 | } | |
147 | ||
cb5ec7a8 RN |
148 | /* |
149 | * Returns whether file read was a success | |
150 | * No obvious way to test for a 'gpspoint' file, | |
151 | * thus set a flag if any actual tag found during processing of the file | |
152 | */ | |
153 | gboolean a_gpspoint_read_file(VikTrwLayer *trw, FILE *f ) { | |
50a14534 EB |
154 | VikCoordMode coord_mode = vik_trw_layer_get_coord_mode ( trw ); |
155 | gchar *tag_start, *tag_end; | |
50a14534 EB |
156 | g_assert ( f != NULL && trw != NULL ); |
157 | line_type = 0; | |
158 | line_timestamp = 0; | |
159 | line_newsegment = FALSE; | |
acaf7113 AF |
160 | line_image = NULL; |
161 | line_symbol = NULL; | |
50a14534 | 162 | current_track = NULL; |
cb5ec7a8 RN |
163 | gboolean have_read_something = FALSE; |
164 | ||
50a14534 EB |
165 | while (fgets(line_buffer, 2048, f)) |
166 | { | |
167 | gboolean inside_quote = 0; | |
168 | gboolean backslash = 0; | |
169 | ||
170 | line_buffer[strlen(line_buffer)-1] = '\0'; /* chop off newline */ | |
171 | ||
172 | /* for gpspoint files wrapped inside */ | |
119ada4c RN |
173 | if ( strlen(line_buffer) >= 13 && strncmp ( line_buffer, "~EndLayerData", 13 ) == 0 ) { |
174 | // Even just a blank TRW is ok when in a .vik file | |
175 | have_read_something = TRUE; | |
50a14534 | 176 | break; |
119ada4c | 177 | } |
50a14534 | 178 | |
cb5ec7a8 | 179 | /* each line: nullify stuff, make thing if nes, free name if ness */ |
50a14534 EB |
180 | tag_start = line_buffer; |
181 | for (;;) | |
182 | { | |
183 | /* my addition: find first non-whitespace character. if the null, skip line. */ | |
184 | while (*tag_start != '\0' && isspace(*tag_start)) | |
185 | tag_start++; | |
186 | if (tag_start == '\0') | |
187 | break; | |
188 | ||
189 | if (*tag_start == '#') | |
190 | break; | |
191 | ||
192 | tag_end = tag_start; | |
193 | if (*tag_end == '"') | |
194 | inside_quote = !inside_quote; | |
195 | while (*tag_end != '\0' && (!isspace(*tag_end) || inside_quote)) { | |
196 | tag_end++; | |
197 | if (*tag_end == '\\' && !backslash) | |
198 | backslash = TRUE; | |
199 | else if (backslash) | |
200 | backslash = FALSE; | |
201 | else if (*tag_end == '"') | |
202 | inside_quote = !inside_quote; | |
203 | } | |
204 | ||
205 | gpspoint_process_tag ( tag_start, tag_end - tag_start ); | |
206 | ||
207 | if (*tag_end == '\0' ) | |
208 | break; | |
209 | else | |
210 | tag_start = tag_end+1; | |
211 | } | |
212 | if (line_type == GPSPOINT_TYPE_WAYPOINT && line_name) | |
213 | { | |
cb5ec7a8 | 214 | have_read_something = TRUE; |
50a14534 | 215 | VikWaypoint *wp = vik_waypoint_new(); |
50a14534 EB |
216 | wp->visible = line_visible; |
217 | wp->altitude = line_altitude; | |
50a14534 EB |
218 | |
219 | vik_coord_load_from_latlon ( &(wp->coord), coord_mode, &line_latlon ); | |
220 | ||
805d282e EB |
221 | vik_trw_layer_filein_add_waypoint ( trw, line_name, wp ); |
222 | g_free ( line_name ); | |
223 | line_name = NULL; | |
50a14534 EB |
224 | |
225 | if ( line_comment ) | |
226 | { | |
227 | vik_waypoint_set_comment ( wp, line_comment ); | |
228 | line_comment = NULL; | |
229 | } | |
230 | ||
231 | if ( line_image ) | |
232 | { | |
233 | vik_waypoint_set_image ( wp, line_image ); | |
234 | line_image = NULL; | |
235 | } | |
236 | ||
acaf7113 AF |
237 | if ( line_symbol ) |
238 | { | |
239 | vik_waypoint_set_symbol ( wp, line_symbol ); | |
240 | line_symbol = NULL; | |
241 | } | |
50a14534 EB |
242 | } |
243 | else if (line_type == GPSPOINT_TYPE_TRACK && line_name) | |
244 | { | |
cb5ec7a8 | 245 | have_read_something = TRUE; |
50a14534 | 246 | VikTrack *pl = vik_track_new(); |
50a14534 EB |
247 | |
248 | /* Thanks to Peter Jones for this Fix */ | |
249 | if (!line_name) line_name = g_strdup("UNK"); | |
250 | ||
251 | pl->visible = line_visible; | |
252 | ||
50a14534 EB |
253 | if ( line_comment ) |
254 | { | |
255 | vik_track_set_comment ( pl, line_comment ); | |
256 | line_comment = NULL; | |
257 | } | |
258 | ||
259 | pl->trackpoints = NULL; | |
805d282e EB |
260 | vik_trw_layer_filein_add_track ( trw, line_name, pl ); |
261 | g_free ( line_name ); | |
262 | line_name = NULL; | |
50a14534 EB |
263 | |
264 | current_track = pl; | |
265 | } | |
266 | else if (line_type == GPSPOINT_TYPE_TRACKPOINT && current_track) | |
267 | { | |
cb5ec7a8 | 268 | have_read_something = TRUE; |
a2817d3c | 269 | VikTrackpoint *tp = vik_trackpoint_new(); |
50a14534 EB |
270 | vik_coord_load_from_latlon ( &(tp->coord), coord_mode, &line_latlon ); |
271 | tp->newsegment = line_newsegment; | |
272 | tp->has_timestamp = line_has_timestamp; | |
273 | tp->timestamp = line_timestamp; | |
274 | tp->altitude = line_altitude; | |
a2817d3c | 275 | if (line_extended) { |
a2817d3c QT |
276 | tp->speed = line_speed; |
277 | tp->course = line_course; | |
278 | tp->nsats = line_sat; | |
279 | tp->fix_mode = line_fix; | |
280 | } | |
50a14534 EB |
281 | current_track->trackpoints = g_list_append ( current_track->trackpoints, tp ); |
282 | } | |
283 | ||
284 | if (line_name) | |
285 | g_free ( line_name ); | |
286 | line_name = NULL; | |
287 | if (line_comment) | |
288 | g_free ( line_comment ); | |
289 | if (line_image) | |
290 | g_free ( line_image ); | |
acaf7113 AF |
291 | if (line_symbol) |
292 | g_free ( line_symbol ); | |
50a14534 EB |
293 | line_comment = NULL; |
294 | line_image = NULL; | |
acaf7113 | 295 | line_symbol = NULL; |
50a14534 EB |
296 | line_type = GPSPOINT_TYPE_NONE; |
297 | line_newsegment = FALSE; | |
298 | line_has_timestamp = FALSE; | |
299 | line_timestamp = 0; | |
300 | line_altitude = VIK_DEFAULT_ALTITUDE; | |
301 | line_visible = TRUE; | |
acaf7113 | 302 | line_symbol = NULL; |
a2817d3c QT |
303 | |
304 | line_extended = FALSE; | |
305 | line_speed = NAN; | |
306 | line_course = NAN; | |
307 | line_sat = 0; | |
308 | line_fix = 0; | |
50a14534 | 309 | } |
cb5ec7a8 RN |
310 | |
311 | return have_read_something; | |
50a14534 EB |
312 | } |
313 | ||
314 | /* Tag will be of a few defined forms: | |
315 | ^[:alpha:]*=".*"$ | |
316 | ^[:alpha:]*=.*$ | |
317 | ||
318 | <invalid tag> | |
319 | ||
320 | So we must determine end of tag name, start of value, end of value. | |
321 | */ | |
322 | static void gpspoint_process_tag ( const gchar *tag, gint len ) | |
323 | { | |
324 | const gchar *key_end, *value_start, *value_end; | |
325 | ||
326 | /* Searching for key end */ | |
327 | key_end = tag; | |
328 | ||
329 | while (++key_end - tag < len) | |
330 | if (*key_end == '=') | |
331 | break; | |
332 | ||
333 | if (key_end - tag == len) | |
334 | return; /* no good */ | |
335 | ||
336 | if (key_end - tag == len + 1) | |
337 | value_start = value_end = 0; /* size = 0 */ | |
338 | else | |
339 | { | |
340 | value_start = key_end + 1; /* equal_sign plus one */ | |
341 | ||
342 | if (*value_start == '"') | |
343 | { | |
344 | value_start++; | |
345 | if (*value_start == '"') | |
346 | value_start = value_end = 0; /* size = 0 */ | |
347 | else | |
348 | { | |
349 | if (*(tag+len-1) == '"') | |
350 | value_end = tag + len - 1; | |
351 | else | |
352 | return; /* bogus */ | |
353 | } | |
354 | } | |
355 | else | |
356 | value_end = tag + len; /* value start really IS value start. */ | |
357 | ||
358 | gpspoint_process_key_and_value(tag, key_end - tag, value_start, value_end - value_start); | |
359 | } | |
360 | } | |
361 | ||
362 | /* | |
363 | value = NULL for none | |
364 | */ | |
365 | static void gpspoint_process_key_and_value ( const gchar *key, gint key_len, const gchar *value, gint value_len ) | |
366 | { | |
367 | if (key_len == 4 && strncasecmp( key, "type", key_len ) == 0 ) | |
368 | { | |
369 | if (value == NULL) | |
370 | line_type = GPSPOINT_TYPE_NONE; | |
371 | else if (value_len == 5 && strncasecmp( value, "track", value_len ) == 0 ) | |
372 | line_type = GPSPOINT_TYPE_TRACK; | |
373 | else if (value_len == 10 && strncasecmp( value, "trackpoint", value_len ) == 0 ) | |
374 | line_type = GPSPOINT_TYPE_TRACKPOINT; | |
375 | else if (value_len == 8 && strncasecmp( value, "waypoint", value_len ) == 0 ) | |
376 | line_type = GPSPOINT_TYPE_WAYPOINT; | |
377 | else | |
378 | /* all others are ignored */ | |
379 | line_type = GPSPOINT_TYPE_NONE; | |
380 | } | |
381 | else if (key_len == 4 && strncasecmp( key, "name", key_len ) == 0 && value != NULL) | |
382 | { | |
383 | if (line_name == NULL) | |
384 | { | |
385 | line_name = g_strndup ( value, value_len ); | |
386 | } | |
387 | } | |
388 | else if (key_len == 7 && strncasecmp( key, "comment", key_len ) == 0 && value != NULL) | |
389 | { | |
390 | if (line_comment == NULL) | |
391 | line_comment = deslashndup ( value, value_len ); | |
392 | } | |
393 | else if (key_len == 5 && strncasecmp( key, "image", key_len ) == 0 && value != NULL) | |
394 | { | |
395 | if (line_image == NULL) | |
396 | line_image = deslashndup ( value, value_len ); | |
397 | } | |
398 | else if (key_len == 8 && strncasecmp( key, "latitude", key_len ) == 0 && value != NULL) | |
399 | { | |
d1cd12c0 | 400 | line_latlon.lat = g_ascii_strtod(value, NULL); |
50a14534 EB |
401 | } |
402 | else if (key_len == 9 && strncasecmp( key, "longitude", key_len ) == 0 && value != NULL) | |
403 | { | |
d1cd12c0 | 404 | line_latlon.lon = g_ascii_strtod(value, NULL); |
50a14534 EB |
405 | } |
406 | else if (key_len == 8 && strncasecmp( key, "altitude", key_len ) == 0 && value != NULL) | |
407 | { | |
d1cd12c0 | 408 | line_altitude = g_ascii_strtod(value, NULL); |
50a14534 EB |
409 | } |
410 | else if (key_len == 7 && strncasecmp( key, "visible", key_len ) == 0 && value[0] != 'y' && value[0] != 'Y' && value[0] != 't' && value[0] != 'T') | |
411 | { | |
412 | line_visible = FALSE; | |
413 | } | |
acaf7113 AF |
414 | else if (key_len == 6 && strncasecmp( key, "symbol", key_len ) == 0 && value != NULL) |
415 | { | |
416 | line_symbol = g_strndup ( value, value_len ); | |
417 | } | |
50a14534 EB |
418 | else if (key_len == 8 && strncasecmp( key, "unixtime", key_len ) == 0 && value != NULL) |
419 | { | |
d1cd12c0 | 420 | line_timestamp = g_ascii_strtod(value, NULL); |
50a14534 EB |
421 | if ( line_timestamp != 0x80000000 ) |
422 | line_has_timestamp = TRUE; | |
423 | } | |
424 | else if (key_len == 10 && strncasecmp( key, "newsegment", key_len ) == 0 && value != NULL) | |
425 | { | |
426 | line_newsegment = TRUE; | |
427 | } | |
a2817d3c QT |
428 | else if (key_len == 8 && strncasecmp( key, "extended", key_len ) == 0 && value != NULL) |
429 | { | |
430 | line_extended = TRUE; | |
431 | } | |
432 | else if (key_len == 5 && strncasecmp( key, "speed", key_len ) == 0 && value != NULL) | |
433 | { | |
d1cd12c0 | 434 | line_speed = g_ascii_strtod(value, NULL); |
a2817d3c QT |
435 | } |
436 | else if (key_len == 6 && strncasecmp( key, "course", key_len ) == 0 && value != NULL) | |
437 | { | |
d1cd12c0 | 438 | line_course = g_ascii_strtod(value, NULL); |
a2817d3c QT |
439 | } |
440 | else if (key_len == 3 && strncasecmp( key, "sat", key_len ) == 0 && value != NULL) | |
441 | { | |
442 | line_sat = atoi(value); | |
443 | } | |
444 | else if (key_len == 3 && strncasecmp( key, "fix", key_len ) == 0 && value != NULL) | |
445 | { | |
446 | line_fix = atoi(value); | |
447 | } | |
50a14534 EB |
448 | } |
449 | ||
c9570f86 | 450 | static void a_gpspoint_write_waypoint ( const gpointer id, const VikWaypoint *wp, FILE *f ) |
50a14534 EB |
451 | { |
452 | static struct LatLon ll; | |
161aa492 | 453 | gchar *s_lat, *s_lon; |
c9570f86 RN |
454 | // Sanity clause |
455 | if ( wp && !(wp->name) ) { | |
456 | return; | |
457 | } | |
50a14534 | 458 | vik_coord_to_latlon ( &(wp->coord), &ll ); |
161aa492 EB |
459 | s_lat = a_coords_dtostr(ll.lat); |
460 | s_lon = a_coords_dtostr(ll.lon); | |
c9570f86 | 461 | fprintf ( f, "type=\"waypoint\" latitude=\"%s\" longitude=\"%s\" name=\"%s\"", s_lat, s_lon, wp->name ); |
161aa492 EB |
462 | g_free ( s_lat ); |
463 | g_free ( s_lon ); | |
464 | ||
465 | if ( wp->altitude != VIK_DEFAULT_ALTITUDE ) { | |
466 | gchar *s_alt = a_coords_dtostr(wp->altitude); | |
467 | fprintf ( f, " altitude=\"%s\"", s_alt ); | |
468 | g_free(s_alt); | |
469 | } | |
50a14534 EB |
470 | if ( wp->comment ) |
471 | { | |
472 | gchar *tmp_comment = slashdup(wp->comment); | |
473 | fprintf ( f, " comment=\"%s\"", tmp_comment ); | |
474 | g_free ( tmp_comment ); | |
475 | } | |
476 | if ( wp->image ) | |
477 | { | |
478 | gchar *tmp_image = slashdup(wp->image); | |
479 | fprintf ( f, " image=\"%s\"", tmp_image ); | |
480 | g_free ( tmp_image ); | |
481 | } | |
acaf7113 AF |
482 | if ( wp->symbol ) |
483 | { | |
484 | fprintf ( f, " symbol=\"%s\"", wp->symbol ); | |
485 | } | |
50a14534 EB |
486 | if ( ! wp->visible ) |
487 | fprintf ( f, " visible=\"n\"" ); | |
488 | fprintf ( f, "\n" ); | |
489 | } | |
490 | ||
491 | static void a_gpspoint_write_trackpoint ( VikTrackpoint *tp, FILE *f ) | |
492 | { | |
493 | static struct LatLon ll; | |
161aa492 | 494 | gchar *s_lat, *s_lon; |
50a14534 EB |
495 | vik_coord_to_latlon ( &(tp->coord), &ll ); |
496 | ||
a2817d3c QT |
497 | /* TODO: modify a_coords_dtostr() to accept (optional) buffer |
498 | * instead of doing malloc/free everytime */ | |
161aa492 EB |
499 | s_lat = a_coords_dtostr(ll.lat); |
500 | s_lon = a_coords_dtostr(ll.lon); | |
501 | fprintf ( f, "type=\"trackpoint\" latitude=\"%s\" longitude=\"%s\"", s_lat, s_lon ); | |
502 | g_free ( s_lat ); | |
503 | g_free ( s_lon ); | |
50a14534 | 504 | |
161aa492 EB |
505 | if ( tp->altitude != VIK_DEFAULT_ALTITUDE ) { |
506 | gchar *s_alt = a_coords_dtostr(tp->altitude); | |
507 | fprintf ( f, " altitude=\"%s\"", s_alt ); | |
508 | g_free(s_alt); | |
509 | } | |
50a14534 EB |
510 | if ( tp->has_timestamp ) |
511 | fprintf ( f, " unixtime=\"%ld\"", tp->timestamp ); | |
512 | if ( tp->newsegment ) | |
513 | fprintf ( f, " newsegment=\"yes\"" ); | |
a2817d3c | 514 | |
376c9177 | 515 | if (!isnan(tp->speed) || !isnan(tp->course) || tp->nsats > 0) { |
a2817d3c QT |
516 | fprintf ( f, " extended=\"yes\"" ); |
517 | if (!isnan(tp->speed)) { | |
518 | gchar *s_speed = a_coords_dtostr(tp->speed); | |
519 | fprintf ( f, " speed=\"%s\"", s_speed ); | |
520 | g_free(s_speed); | |
521 | } | |
522 | if (!isnan(tp->course)) { | |
523 | gchar *s_course = a_coords_dtostr(tp->course); | |
524 | fprintf ( f, " course=\"%s\"", s_course ); | |
525 | g_free(s_course); | |
526 | } | |
527 | if (tp->nsats > 0) | |
528 | fprintf ( f, " sat=\"%d\"", tp->nsats ); | |
529 | if (tp->fix_mode > 0) | |
530 | fprintf ( f, " fix=\"%d\"", tp->fix_mode ); | |
531 | } | |
50a14534 EB |
532 | fprintf ( f, "\n" ); |
533 | } | |
534 | ||
535 | ||
ce4bd1cf | 536 | static void a_gpspoint_write_track ( const gpointer id, const VikTrack *t, FILE *f ) |
50a14534 | 537 | { |
e979bdab RN |
538 | // Sanity clauses |
539 | if ( !t ) | |
ce4bd1cf | 540 | return; |
e979bdab RN |
541 | if ( !(t->name) ) |
542 | return; | |
543 | ||
50a14534 EB |
544 | if ( t->comment ) |
545 | { | |
546 | gchar *tmp_comment = slashdup(t->comment); | |
ce4bd1cf | 547 | fprintf ( f, "type=\"track\" name=\"%s\" comment=\"%s\"%s\n", t->name, tmp_comment, t->visible ? "" : " visible=\"n\"" ); |
50a14534 EB |
548 | g_free ( tmp_comment ); |
549 | } | |
550 | else | |
ce4bd1cf | 551 | fprintf ( f, "type=\"track\" name=\"%s\"%s\n", t->name, t->visible ? "" : " visible=\"n\"" ); |
50a14534 EB |
552 | g_list_foreach ( t->trackpoints, (GFunc) a_gpspoint_write_trackpoint, f ); |
553 | fprintf ( f, "type=\"trackend\"\n" ); | |
554 | } | |
555 | ||
556 | void a_gpspoint_write_file ( VikTrwLayer *trw, FILE *f ) | |
557 | { | |
558 | GHashTable *tracks = vik_trw_layer_get_tracks ( trw ); | |
559 | GHashTable *waypoints = vik_trw_layer_get_waypoints ( trw ); | |
560 | ||
561 | fprintf ( f, "type=\"waypointlist\"\n" ); | |
562 | g_hash_table_foreach ( waypoints, (GHFunc) a_gpspoint_write_waypoint, f ); | |
563 | fprintf ( f, "type=\"waypointlistend\"\n" ); | |
564 | g_hash_table_foreach ( tracks, (GHFunc) a_gpspoint_write_track, f ); | |
565 | } |