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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> | |
29f1598c | 5 | * Copyright (C) 2012, Guilhem Bonnefille <guilhem.bonnefille@gmail.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 | */ | |
22 | ||
eb93fa95 GB |
23 | #ifdef HAVE_CONFIG_H |
24 | #include "config.h" | |
25 | #endif | |
50a14534 EB |
26 | #include "viking.h" |
27 | ||
bf35388d | 28 | #include "gpx.h" |
ba9d0a00 | 29 | #include "babel.h" |
bf35388d | 30 | |
50a14534 EB |
31 | #include <string.h> |
32 | #include <stdlib.h> | |
8c060406 | 33 | #include <stdio.h> |
45acf79e MA |
34 | #ifdef HAVE_UNISTD_H |
35 | #include <unistd.h> | |
36 | #endif | |
d5728c65 GB |
37 | #include <glib.h> |
38 | #include <glib/gstdio.h> | |
fd98b156 | 39 | #include <glib/gi18n.h> |
50a14534 EB |
40 | |
41 | #define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') ) | |
42 | #define VIK_MAGIC "#VIK" | |
bf35388d | 43 | #define GPX_MAGIC "<?xm" |
50a14534 EB |
44 | #define VIK_MAGIC_LEN 4 |
45 | ||
46 | #ifdef WINDOWS | |
47 | #define FILE_SEP '\\' | |
48 | #else | |
49 | #define FILE_SEP '/' | |
50 | #endif | |
51 | ||
52 | typedef struct _Stack Stack; | |
53 | ||
54 | struct _Stack { | |
55 | Stack *under; | |
56 | gpointer *data; | |
57 | }; | |
58 | ||
59 | static void pop(Stack **stack) { | |
60 | Stack *tmp = (*stack)->under; | |
61 | g_free ( *stack ); | |
62 | *stack = tmp; | |
63 | } | |
64 | ||
65 | static void push(Stack **stack) | |
66 | { | |
67 | Stack *tmp = g_malloc ( sizeof ( Stack ) ); | |
68 | tmp->under = *stack; | |
69 | *stack = tmp; | |
70 | } | |
71 | ||
bf35388d | 72 | static gboolean check_magic ( FILE *f, const gchar *magic_number ) |
50a14534 EB |
73 | { |
74 | gchar magic[VIK_MAGIC_LEN]; | |
75 | gboolean rv = FALSE; | |
76 | gint8 i; | |
77 | if ( fread(magic, 1, sizeof(magic), f) == sizeof(magic) && | |
bf35388d | 78 | strncmp(magic, magic_number, sizeof(magic)) == 0 ) |
50a14534 EB |
79 | rv = TRUE; |
80 | for ( i = sizeof(magic)-1; i >= 0; i-- ) /* the ol' pushback */ | |
81 | ungetc(magic[i],f); | |
82 | return rv; | |
83 | } | |
84 | ||
85 | ||
86 | static gboolean str_starts_with ( const gchar *haystack, const gchar *needle, guint16 len_needle, gboolean must_be_longer ) | |
87 | { | |
88 | if ( strlen(haystack) > len_needle - (!must_be_longer) && strncasecmp ( haystack, needle, len_needle ) == 0 ) | |
89 | return TRUE; | |
90 | return FALSE; | |
91 | } | |
92 | ||
93 | static guint16 layer_type_from_string ( const gchar *str ) | |
94 | { | |
95 | guint8 i; | |
96 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
db386630 | 97 | if ( strcasecmp ( str, vik_layer_get_interface(i)->fixed_layer_name ) == 0 ) |
50a14534 EB |
98 | return i; |
99 | return -1; | |
100 | } | |
101 | ||
17a1f8f9 | 102 | void file_write_layer_param ( FILE *f, const gchar *name, guint8 type, VikLayerParamData data ) { |
ad0a8c2d EB |
103 | /* string lists are handled differently. We get a GList (that shouldn't |
104 | * be freed) back for get_param and if it is null we shouldn't write | |
105 | * anything at all (otherwise we'd read in a list with an empty string, | |
17a1f8f9 | 106 | * not an empty string list. |
ad0a8c2d | 107 | */ |
17a1f8f9 | 108 | if ( type == VIK_LAYER_PARAM_STRING_LIST ) { |
ad0a8c2d EB |
109 | if ( data.sl ) { |
110 | GList *iter = (GList *)data.sl; | |
111 | while ( iter ) { | |
17a1f8f9 | 112 | fprintf ( f, "%s=", name ); |
ad0a8c2d EB |
113 | fprintf ( f, "%s\n", (gchar *)(iter->data) ); |
114 | iter = iter->next; | |
115 | } | |
116 | } | |
117 | } else { | |
17a1f8f9 EB |
118 | fprintf ( f, "%s=", name ); |
119 | switch ( type ) | |
ad0a8c2d EB |
120 | { |
121 | case VIK_LAYER_PARAM_DOUBLE: { | |
122 | // char buf[15]; /* locale independent */ | |
123 | // fprintf ( f, "%s\n", (char *) g_dtostr (data.d, buf, sizeof (buf)) ); break; | |
124 | fprintf ( f, "%f\n", data.d ); | |
125 | break; | |
126 | } | |
127 | case VIK_LAYER_PARAM_UINT: fprintf ( f, "%d\n", data.u ); break; | |
128 | case VIK_LAYER_PARAM_INT: fprintf ( f, "%d\n", data.i ); break; | |
129 | case VIK_LAYER_PARAM_BOOLEAN: fprintf ( f, "%c\n", data.b ? 't' : 'f' ); break; | |
130 | case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ); break; | |
131 | case VIK_LAYER_PARAM_COLOR: fprintf ( f, "#%.2x%.2x%.2x\n", (int)(data.c.red/256),(int)(data.c.green/256),(int)(data.c.blue/256)); break; | |
132 | } | |
50a14534 | 133 | } |
17a1f8f9 EB |
134 | } |
135 | ||
136 | static void write_layer_params_and_data ( VikLayer *l, FILE *f ) | |
137 | { | |
138 | VikLayerParam *params = vik_layer_get_interface(l->type)->params; | |
139 | VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param; | |
140 | ||
141 | fprintf ( f, "name=%s\n", l->name ? l->name : "" ); | |
142 | if ( !l->visible ) | |
143 | fprintf ( f, "visible=f\n" ); | |
144 | ||
145 | if ( params && get_param ) | |
146 | { | |
147 | VikLayerParamData data; | |
148 | guint16 i, params_count = vik_layer_get_interface(l->type)->params_count; | |
149 | for ( i = 0; i < params_count; i++ ) | |
150 | { | |
158b3642 | 151 | data = get_param(l, i, TRUE); |
17a1f8f9 | 152 | file_write_layer_param(f, params[i].name, params[i].type, data); |
50a14534 EB |
153 | } |
154 | } | |
155 | if ( vik_layer_get_interface(l->type)->write_file_data ) | |
156 | { | |
157 | fprintf ( f, "\n\n~LayerData\n" ); | |
158 | vik_layer_get_interface(l->type)->write_file_data ( l, f ); | |
159 | fprintf ( f, "~EndLayerData\n" ); | |
160 | } | |
161 | /* foreach param: | |
162 | write param, and get_value, etc. | |
163 | then run layer data, and that's it. | |
164 | */ | |
165 | } | |
166 | ||
167 | static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) | |
168 | { | |
169 | Stack *stack = NULL; | |
170 | VikLayer *current_layer; | |
171 | struct LatLon ll; | |
c5f9245d | 172 | VikViewportDrawMode mode; |
4d872dde | 173 | gchar *modestring = NULL; |
50a14534 EB |
174 | |
175 | push(&stack); | |
176 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(top)); | |
177 | stack->under = NULL; | |
178 | ||
179 | /* crazhy CRAZHY */ | |
180 | vik_coord_to_latlon ( vik_viewport_get_center ( VIK_VIEWPORT(vp) ), &ll ); | |
181 | ||
c5f9245d GB |
182 | mode = vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) ); |
183 | switch ( mode ) { | |
50a14534 EB |
184 | case VIK_VIEWPORT_DRAWMODE_UTM: modestring = "utm"; break; |
185 | case VIK_VIEWPORT_DRAWMODE_EXPEDIA: modestring = "expedia"; break; | |
c5f9245d | 186 | case VIK_VIEWPORT_DRAWMODE_MERCATOR: modestring = "mercator"; break; |
d587678a | 187 | case VIK_VIEWPORT_DRAWMODE_LATLON: modestring = "latlon"; break; |
c5f9245d GB |
188 | default: |
189 | g_critical("Houston, we've had a problem. mode=%d", mode); | |
50a14534 EB |
190 | } |
191 | ||
480fb7e1 | 192 | fprintf ( f, "#VIKING GPS Data file " VIKING_URL "\n\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\nhighlightcolor=%s\ndrawscale=%s\ndrawcentermark=%s\ndrawhighlight=%s\n", |
50a14534 | 193 | vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ), ll.lat, ll.lon, |
35c7c0ba | 194 | modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)), |
480fb7e1 | 195 | vik_viewport_get_highlight_color(VIK_VIEWPORT(vp)), |
c933487f | 196 | vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f", |
2afcef36 RN |
197 | vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f", |
198 | vik_viewport_get_draw_highlight(VIK_VIEWPORT(vp)) ? "t" : "f" ); | |
50a14534 EB |
199 | |
200 | if ( ! VIK_LAYER(top)->visible ) | |
201 | fprintf ( f, "visible=f\n" ); | |
202 | ||
203 | while (stack && stack->data) | |
204 | { | |
205 | current_layer = VIK_LAYER(((GList *)stack->data)->data); | |
db386630 | 206 | fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->fixed_layer_name ); |
50a14534 EB |
207 | write_layer_params_and_data ( current_layer, f ); |
208 | if ( current_layer->type == VIK_LAYER_AGGREGATE && !vik_aggregate_layer_is_empty(VIK_AGGREGATE_LAYER(current_layer)) ) | |
209 | { | |
210 | push(&stack); | |
211 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(current_layer)); | |
212 | } | |
f253a6a6 | 213 | else if ( current_layer->type == VIK_LAYER_GPS && !vik_gps_layer_is_empty(VIK_GPS_LAYER(current_layer)) ) |
7886de28 QT |
214 | { |
215 | push(&stack); | |
216 | stack->data = (gpointer) vik_gps_layer_get_children(VIK_GPS_LAYER(current_layer)); | |
217 | } | |
50a14534 EB |
218 | else |
219 | { | |
220 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
221 | fprintf ( f, "~EndLayer\n\n" ); | |
222 | while ( stack && (!stack->data) ) | |
223 | { | |
224 | pop(&stack); | |
225 | if ( stack ) | |
226 | { | |
227 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
228 | fprintf ( f, "~EndLayer\n\n" ); | |
229 | } | |
230 | } | |
231 | } | |
232 | } | |
233 | /* | |
234 | get vikaggregatelayer's children (?) | |
235 | foreach write ALL params, | |
236 | then layer data (IF function exists) | |
237 | then endlayer | |
238 | ||
239 | impl: | |
240 | stack of layers (LIST) we are working on | |
241 | when layer->next == NULL ... | |
242 | we move on. | |
243 | */ | |
244 | } | |
245 | ||
ad0a8c2d EB |
246 | static void string_list_delete ( gpointer key, gpointer l, gpointer user_data ) |
247 | { | |
28c82d8b EB |
248 | /* 20071021 bugfix */ |
249 | GList *iter = (GList *) l; | |
ad0a8c2d EB |
250 | while ( iter ) { |
251 | g_free ( iter->data ); | |
252 | iter = iter->next; | |
253 | } | |
28c82d8b | 254 | g_list_free ( (GList *) l ); |
ad0a8c2d EB |
255 | } |
256 | ||
257 | static void string_list_set_param (gint i, GList *list, gpointer *layer_and_vp) | |
258 | { | |
259 | VikLayerParamData x; | |
260 | x.sl = list; | |
158b3642 | 261 | vik_layer_set_param ( VIK_LAYER(layer_and_vp[0]), i, x, layer_and_vp[1], TRUE ); |
ad0a8c2d EB |
262 | } |
263 | ||
327a2533 RN |
264 | /** |
265 | * Read in a Viking file and return how successful the parsing was | |
266 | * ATM this will always work, in that even if there are parsing problems | |
267 | * then there will be no new values to override the defaults | |
268 | * | |
269 | * TODO flow up line number(s) / error messages of problems encountered... | |
270 | * | |
271 | */ | |
272 | static gboolean file_read ( VikAggregateLayer *top, FILE *f, VikViewport *vp ) | |
50a14534 EB |
273 | { |
274 | Stack *stack; | |
275 | struct LatLon ll = { 0.0, 0.0 }; | |
276 | gchar buffer[4096]; | |
277 | gchar *line; | |
278 | guint16 len; | |
279 | long line_num = 0; | |
280 | ||
37518034 QT |
281 | VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */ |
282 | guint8 params_count = 0; | |
50a14534 | 283 | |
ad0a8c2d EB |
284 | GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal); |
285 | ||
327a2533 RN |
286 | gboolean successful_read = TRUE; |
287 | ||
50a14534 EB |
288 | push(&stack); |
289 | stack->under = NULL; | |
290 | stack->data = (gpointer) top; | |
291 | ||
292 | while ( fgets ( buffer, 4096, f ) ) | |
293 | { | |
294 | line_num++; | |
295 | ||
296 | line = buffer; | |
297 | while ( *line == ' ' || *line =='\t' ) | |
298 | line++; | |
299 | ||
300 | if ( line[0] == '#' ) | |
301 | continue; | |
302 | ||
303 | ||
304 | len = strlen(line); | |
305 | if ( len > 0 && line[len-1] == '\n' ) | |
306 | line[--len] = '\0'; | |
307 | if ( len > 0 && line[len-1] == '\r' ) | |
308 | line[--len] = '\0'; | |
309 | ||
310 | if ( len == 0 ) | |
311 | continue; | |
312 | ||
313 | ||
314 | if ( line[0] == '~' ) | |
315 | { | |
316 | line++; len--; | |
317 | if ( *line == '\0' ) | |
318 | continue; | |
319 | else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) | |
320 | { | |
f253a6a6 QT |
321 | int parent_type = VIK_LAYER(stack->data)->type; |
322 | if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) | |
50a14534 | 323 | { |
327a2533 | 324 | successful_read = FALSE; |
f253a6a6 | 325 | g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); |
50a14534 EB |
326 | push(&stack); /* inside INVALID layer */ |
327 | stack->data = NULL; | |
328 | continue; | |
329 | } | |
330 | else | |
331 | { | |
332 | gint16 type = layer_type_from_string ( line+6 ); | |
333 | push(&stack); | |
334 | if ( type == -1 ) | |
335 | { | |
327a2533 | 336 | successful_read = FALSE; |
4258f4e2 | 337 | g_warning ( "Line %ld: Unknown type %s", line_num, line+6 ); |
50a14534 EB |
338 | stack->data = NULL; |
339 | } | |
f253a6a6 QT |
340 | else if (parent_type == VIK_LAYER_GPS) |
341 | { | |
342 | stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); | |
343 | params = vik_layer_get_interface(type)->params; | |
344 | params_count = vik_layer_get_interface(type)->params_count; | |
345 | } | |
50a14534 EB |
346 | else |
347 | { | |
348 | stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE ); | |
349 | params = vik_layer_get_interface(type)->params; | |
350 | params_count = vik_layer_get_interface(type)->params_count; | |
351 | } | |
352 | } | |
353 | } | |
354 | else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) ) | |
355 | { | |
327a2533 RN |
356 | if ( stack->under == NULL ) { |
357 | successful_read = FALSE; | |
50a14534 | 358 | g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); |
327a2533 | 359 | } |
50a14534 EB |
360 | else |
361 | { | |
ad0a8c2d EB |
362 | /* add any string lists we've accumulated */ |
363 | gpointer layer_and_vp[2]; | |
364 | layer_and_vp[0] = stack->data; | |
365 | layer_and_vp[1] = vp; | |
366 | g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp ); | |
367 | g_hash_table_remove_all ( string_lists ); | |
368 | ||
50a14534 EB |
369 | if ( stack->data && stack->under->data ) |
370 | { | |
f253a6a6 QT |
371 | if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) { |
372 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 373 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
f253a6a6 QT |
374 | } |
375 | else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { | |
376 | /* TODO: anything else needs to be done here ? */ | |
377 | } | |
327a2533 RN |
378 | else { |
379 | successful_read = FALSE; | |
f253a6a6 | 380 | g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); |
327a2533 | 381 | } |
50a14534 EB |
382 | } |
383 | pop(&stack); | |
384 | } | |
385 | } | |
386 | else if ( str_starts_with ( line, "LayerData", 9, FALSE ) ) | |
387 | { | |
388 | if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ) | |
119ada4c | 389 | { |
50a14534 | 390 | /* must read until hits ~EndLayerData */ |
119ada4c RN |
391 | if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f ) ) |
392 | successful_read = FALSE; | |
393 | } | |
50a14534 EB |
394 | else |
395 | { /* simply skip layer data over */ | |
396 | while ( fgets ( buffer, 4096, f ) ) | |
397 | { | |
398 | line_num++; | |
399 | ||
400 | line = buffer; | |
401 | ||
402 | len = strlen(line); | |
403 | if ( len > 0 && line[len-1] == '\n' ) | |
404 | line[--len] = '\0'; | |
405 | if ( len > 0 && line[len-1] == '\r' ) | |
406 | line[--len] = '\0'; | |
407 | if ( strcasecmp ( line, "~EndLayerData" ) == 0 ) | |
408 | break; | |
409 | } | |
410 | continue; | |
411 | } | |
412 | } | |
413 | else | |
414 | { | |
327a2533 | 415 | successful_read = FALSE; |
50a14534 EB |
416 | g_warning ( "Line %ld: Unknown tilde command", line_num ); |
417 | } | |
418 | } | |
419 | else | |
420 | { | |
421 | gint32 eq_pos = -1; | |
422 | guint16 i; | |
423 | if ( ! stack->data ) | |
424 | continue; | |
425 | ||
426 | for ( i = 0; i < len; i++ ) | |
427 | if ( line[i] == '=' ) | |
428 | eq_pos = i; | |
429 | ||
430 | if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */ | |
431 | vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
432 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0) | |
433 | vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
434 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 ) | |
435 | ll.lat = strtod ( line+4, NULL ); | |
436 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 ) | |
437 | ll.lon = strtod ( line+4, NULL ); | |
438 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0) | |
439 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM); | |
440 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0) | |
441 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA ); | |
442 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0) | |
fd98b156 | 443 | { |
327a2533 | 444 | successful_read = FALSE; |
fd98b156 GB |
445 | g_warning ( _("Draw mode '%s' no more supported"), "google" ); |
446 | } | |
50a14534 | 447 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0) |
fd98b156 | 448 | { |
327a2533 | 449 | successful_read = FALSE; |
fd98b156 GB |
450 | g_warning ( _("Draw mode '%s' no more supported"), "kh" ); |
451 | } | |
50a14534 EB |
452 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0) |
453 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); | |
d587678a GB |
454 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "latlon" ) == 0) |
455 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_LATLON ); | |
50a14534 EB |
456 | else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 ) |
457 | vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 ); | |
480fb7e1 RN |
458 | else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "highlightcolor", eq_pos ) == 0 ) |
459 | vik_viewport_set_highlight_color ( VIK_VIEWPORT(vp), line+15 ); | |
35c7c0ba EB |
460 | else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 ) |
461 | vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) ); | |
de66b263 | 462 | else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 ) |
1657065a | 463 | vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) ); |
2afcef36 RN |
464 | else if ( stack->under == NULL && eq_pos == 13 && strncasecmp ( line, "drawhighlight", eq_pos ) == 0 ) |
465 | vik_viewport_set_draw_highlight ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+14) ); | |
50a14534 EB |
466 | else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 ) |
467 | vik_layer_rename ( VIK_LAYER(stack->data), line+5 ); | |
468 | else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 ) | |
469 | VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8); | |
470 | else if ( eq_pos != -1 && stack->under ) | |
471 | { | |
472 | gboolean found_match = FALSE; | |
ad0a8c2d | 473 | |
50a14534 EB |
474 | /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ |
475 | /* also got to check for name and visible. */ | |
476 | ||
477 | if ( ! params ) | |
478 | { | |
327a2533 | 479 | successful_read = FALSE; |
50a14534 EB |
480 | g_warning ( "Line %ld: No options for this kind of layer", line_num ); |
481 | continue; | |
482 | } | |
483 | ||
484 | for ( i = 0; i < params_count; i++ ) | |
485 | if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 ) | |
486 | { | |
487 | VikLayerParamData x; | |
488 | line += eq_pos+1; | |
ad0a8c2d | 489 | if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) { |
dc2c040e RN |
490 | GList *l = g_list_append ( g_hash_table_lookup ( string_lists, GINT_TO_POINTER ((gint) i) ), |
491 | g_strdup(line) ); | |
492 | g_hash_table_replace ( string_lists, GINT_TO_POINTER ((gint)i), l ); | |
ad0a8c2d EB |
493 | /* add the value to a list, possibly making a new list. |
494 | * this will be passed to the layer when we read an ~EndLayer */ | |
495 | } else { | |
496 | switch ( params[i].type ) | |
497 | { | |
498 | case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; | |
499 | case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; | |
500 | case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; | |
501 | case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; | |
502 | case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ | |
50a14534 | 503 | gdk_color_parse ( line, &(x.c) ); break; |
ad0a8c2d EB |
504 | /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */ |
505 | default: x.s = line; | |
506 | } | |
158b3642 | 507 | vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp, TRUE ); |
50a14534 | 508 | } |
50a14534 EB |
509 | found_match = TRUE; |
510 | break; | |
511 | } | |
327a2533 RN |
512 | if ( ! found_match ) { |
513 | // ATM don't flow up this issue because at least one internal parameter has changed from version 1.3 | |
514 | // and don't what to worry users about raising such issues | |
515 | // TODO Maybe hold old values here - compare the line value against them and if a match | |
516 | // generate a different style of message in the GUI... | |
517 | // successful_read = FALSE; | |
ea3933fc | 518 | g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); |
327a2533 | 519 | } |
50a14534 | 520 | } |
327a2533 RN |
521 | else { |
522 | successful_read = FALSE; | |
50a14534 | 523 | g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); |
327a2533 | 524 | } |
50a14534 EB |
525 | } |
526 | /* could be: | |
527 | [Layer Type=Bla] | |
528 | [EndLayer] | |
529 | [LayerData] | |
530 | name=this | |
531 | #comment | |
532 | */ | |
533 | } | |
534 | ||
535 | while ( stack ) | |
536 | { | |
537 | if ( stack->under && stack->under->data && stack->data ) | |
538 | { | |
539 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 540 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
50a14534 EB |
541 | } |
542 | pop(&stack); | |
543 | } | |
544 | ||
545 | if ( ll.lat != 0.0 || ll.lon != 0.0 ) | |
546 | vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll ); | |
547 | ||
548 | if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized ) | |
549 | vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); | |
ad0a8c2d EB |
550 | |
551 | /* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */ | |
552 | g_hash_table_foreach ( string_lists, string_list_delete, NULL ); | |
553 | g_hash_table_destroy ( string_lists ); | |
327a2533 RN |
554 | |
555 | return successful_read; | |
50a14534 EB |
556 | } |
557 | ||
558 | /* | |
559 | read thru file | |
560 | if "[Layer Type=" | |
561 | push(&stack) | |
562 | new default layer of type (str_to_type) (check interface->name) | |
563 | if "[EndLayer]" | |
564 | VikLayer *vl = stack->data; | |
565 | pop(&stack); | |
566 | vik_aggregate_layer_add_layer(stack->data, vl); | |
567 | if "[LayerData]" | |
568 | vik_layer_data ( VIK_LAYER_DATA(stack->data), f, vp ); | |
569 | ||
570 | */ | |
571 | ||
572 | /* ---------------------------------------------------- */ | |
573 | ||
574 | static FILE *xfopen ( const char *fn, const char *mode ) | |
575 | { | |
576 | if ( strcmp(fn,"-") == 0 ) | |
577 | return stdin; | |
578 | else | |
8c060406 | 579 | return g_fopen(fn, "r"); |
50a14534 EB |
580 | } |
581 | ||
582 | static void xfclose ( FILE *f ) | |
583 | { | |
8c060406 | 584 | if ( f != stdin && f != stdout ) { |
50a14534 | 585 | fclose ( f ); |
8c060406 MA |
586 | f = NULL; |
587 | } | |
50a14534 EB |
588 | } |
589 | ||
ba9d0a00 RN |
590 | /* |
591 | * Function to determine if a filename is a 'viking' type file | |
592 | */ | |
593 | gboolean check_file_magic_vik ( const gchar *filename ) | |
594 | { | |
a3180051 | 595 | gboolean result = FALSE; |
ba9d0a00 | 596 | FILE *ff = xfopen ( filename, "r" ); |
a3180051 RN |
597 | if ( ff ) { |
598 | result = check_magic ( ff, VIK_MAGIC ); | |
599 | xfclose ( ff ); | |
600 | } | |
ba9d0a00 RN |
601 | return result; |
602 | } | |
603 | ||
604 | VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename_or_uri ) | |
50a14534 | 605 | { |
0a514451 RN |
606 | g_return_val_if_fail ( vp != NULL, LOAD_TYPE_READ_FAILURE ); |
607 | ||
11f427b8 | 608 | char *filename = (char *)filename_or_uri; |
db32b809 MR |
609 | if (strncmp(filename, "file://", 7) == 0) |
610 | filename = filename + 7; | |
611 | ||
50a14534 EB |
612 | FILE *f = xfopen ( filename, "r" ); |
613 | ||
50a14534 | 614 | if ( ! f ) |
ba9d0a00 | 615 | return LOAD_TYPE_READ_FAILURE; |
50a14534 | 616 | |
327a2533 | 617 | VikLoadType_t load_answer = LOAD_TYPE_OTHER_SUCCESS; |
0a514451 RN |
618 | |
619 | // Attempt loading the primary file type first - our internal .vik file: | |
620 | if ( check_magic ( f, VIK_MAGIC ) ) | |
50a14534 | 621 | { |
327a2533 RN |
622 | if ( file_read ( top, f, vp ) ) |
623 | load_answer = LOAD_TYPE_VIK_SUCCESS; | |
624 | else | |
625 | load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL; | |
50a14534 EB |
626 | } |
627 | else | |
628 | { | |
0a514451 RN |
629 | // For all other file types which consist of tracks, routes and/or waypoints, |
630 | // must be loaded into a new TrackWaypoint layer (hence it be created) | |
631 | gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required | |
632 | ||
50a14534 | 633 | VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ); |
bf35388d | 634 | |
ba9d0a00 RN |
635 | // In fact both kml & gpx files start the same as they are in xml |
636 | if ( check_file_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) { | |
637 | // Implicit Conversion | |
0a514451 RN |
638 | if ( ! ( success = a_babel_convert_from ( VIK_TRW_LAYER(vtl), "-i kml", filename, NULL, NULL ) ) ) { |
639 | load_answer = LOAD_TYPE_GPSBABEL_FAILURE; | |
ba9d0a00 RN |
640 | } |
641 | } | |
0a514451 RN |
642 | // NB use a extension check first, as a GPX file header may have a Byte Order Mark (BOM) in it |
643 | // - which currently confuses our check_magic function | |
644 | else if ( check_file_ext ( filename, ".gpx" ) || check_magic ( f, GPX_MAGIC ) ) { | |
645 | if ( ! ( success = a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) { | |
646 | load_answer = LOAD_TYPE_GPX_FAILURE; | |
54b84792 | 647 | } |
ba9d0a00 | 648 | } |
0a514451 RN |
649 | else { |
650 | // Try final supported file type | |
651 | if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) { | |
652 | // Failure here means we don't know how to handle the file | |
653 | load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE; | |
654 | } | |
655 | } | |
50a14534 | 656 | |
0a514451 | 657 | // Clean up when we can't handle the file |
cb5ec7a8 RN |
658 | if ( ! success ) { |
659 | // free up layer | |
660 | g_object_unref ( vtl ); | |
cb5ec7a8 | 661 | } |
0a514451 RN |
662 | else { |
663 | // Complete the setup from the successful load | |
664 | vik_layer_rename ( vtl, a_file_basename ( filename ) ); | |
665 | vik_layer_post_read ( vtl, vp, TRUE ); | |
666 | vik_aggregate_layer_add_layer ( top, vtl ); | |
667 | vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp ); | |
668 | } | |
50a14534 | 669 | } |
0a514451 RN |
670 | xfclose(f); |
671 | return load_answer; | |
50a14534 EB |
672 | } |
673 | ||
674 | gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) | |
675 | { | |
bf1c0ae3 SM |
676 | FILE *f; |
677 | ||
678 | if (strncmp(filename, "file://", 7) == 0) | |
679 | filename = filename + 7; | |
680 | ||
681 | f = g_fopen(filename, "w"); | |
50a14534 EB |
682 | |
683 | if ( ! f ) | |
684 | return FALSE; | |
685 | ||
686 | file_write ( top, f, vp ); | |
687 | ||
688 | fclose(f); | |
8c060406 | 689 | f = NULL; |
50a14534 EB |
690 | |
691 | return TRUE; | |
692 | } | |
693 | ||
694 | ||
695 | const gchar *a_file_basename ( const gchar *filename ) | |
696 | { | |
697 | const gchar *t = filename + strlen(filename) - 1; | |
698 | while ( --t > filename ) | |
699 | if ( *(t-1) == FILE_SEP ) | |
700 | break; | |
701 | if ( t >= filename ) | |
702 | return t; | |
703 | return filename; | |
704 | } | |
705 | ||
b0252b2e T |
706 | /* example: |
707 | gboolean is_gpx = check_file_ext ( "a/b/c.gpx", ".gpx" ); | |
708 | */ | |
709 | gboolean check_file_ext ( const gchar *filename, const gchar *fileext ) | |
710 | { | |
0a514451 RN |
711 | g_return_val_if_fail ( filename != NULL, FALSE ); |
712 | g_return_val_if_fail ( fileext && fileext[0]=='.', FALSE ); | |
b0252b2e | 713 | const gchar *basename = a_file_basename(filename); |
b0252b2e T |
714 | if (!basename) |
715 | return FALSE; | |
716 | ||
717 | const char * dot = strrchr(basename, '.'); | |
718 | if (dot && !strcmp(dot, fileext)) | |
719 | return TRUE; | |
720 | ||
721 | return FALSE; | |
722 | } | |
723 | ||
208d2084 RN |
724 | /** |
725 | * a_file_export: | |
726 | * @vtl: The TrackWaypoint to export data from | |
727 | * @filename: The name of the file to be written | |
728 | * @file_type: Choose one of the supported file types for the export | |
729 | * @trk: If specified then only export this track rather than the whole layer | |
730 | * @write_hidden: Whether to write invisible items | |
731 | * | |
732 | * A general export command to convert from Viking TRW layer data to an external supported format. | |
733 | * The write_hidden option is provided mainly to be able to transfer selected items when uploading to a GPS | |
734 | */ | |
735 | gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, VikFileType_t file_type, VikTrack *trk, gboolean write_hidden ) | |
50a14534 | 736 | { |
208d2084 | 737 | GpxWritingOptions options = { FALSE, FALSE, write_hidden }; |
8c060406 | 738 | FILE *f = g_fopen ( filename, "w" ); |
50a14534 EB |
739 | if ( f ) |
740 | { | |
ce4bd1cf | 741 | if ( trk ) { |
f7f8a0a6 GB |
742 | switch ( file_type ) { |
743 | case FILE_TYPE_GPX: | |
208d2084 | 744 | a_gpx_write_track_file ( trk, f, &options ); |
f7f8a0a6 GB |
745 | break; |
746 | default: | |
747 | g_critical("Houston, we've had a problem. file_type=%d", file_type); | |
748 | } | |
749 | } else { | |
750 | switch ( file_type ) { | |
751 | case FILE_TYPE_GPSMAPPER: | |
752 | a_gpsmapper_write_file ( vtl, f ); | |
753 | break; | |
754 | case FILE_TYPE_GPX: | |
208d2084 | 755 | a_gpx_write_file ( vtl, f, &options ); |
f7f8a0a6 GB |
756 | break; |
757 | case FILE_TYPE_GPSPOINT: | |
758 | a_gpspoint_write_file ( vtl, f ); | |
759 | break; | |
ba9d0a00 RN |
760 | case FILE_TYPE_KML: |
761 | fclose ( f ); | |
762 | f = NULL; | |
60dbd0ad RN |
763 | switch ( a_vik_get_kml_export_units () ) { |
764 | case VIK_KML_EXPORT_UNITS_STATUTE: | |
6f94db6d | 765 | return a_babel_convert_to ( vtl, NULL, "-o kml", filename, NULL, NULL ); |
60dbd0ad RN |
766 | break; |
767 | case VIK_KML_EXPORT_UNITS_NAUTICAL: | |
6f94db6d | 768 | return a_babel_convert_to ( vtl, NULL, "-o kml,units=n", filename, NULL, NULL ); |
60dbd0ad RN |
769 | break; |
770 | default: | |
771 | // VIK_KML_EXPORT_UNITS_METRIC: | |
6f94db6d | 772 | return a_babel_convert_to ( vtl, NULL, "-o kml,units=m", filename, NULL, NULL ); |
60dbd0ad RN |
773 | break; |
774 | } | |
775 | break; | |
f7f8a0a6 GB |
776 | default: |
777 | g_critical("Houston, we've had a problem. file_type=%d", file_type); | |
778 | } | |
7f6757c4 | 779 | } |
50a14534 | 780 | fclose ( f ); |
8c060406 | 781 | f = NULL; |
50a14534 EB |
782 | return TRUE; |
783 | } | |
784 | return FALSE; | |
785 | } | |
80d0ff2b | 786 |