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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 | 40 | |
cf38e8c7 EB |
41 | /* Relax some dependencies */ |
42 | #if ! GLIB_CHECK_VERSION(2,12,0) | |
43 | static gboolean return_true (gpointer a, gpointer b, gpointer c) { return TRUE; } | |
44 | static g_hash_table_remove_all (GHashTable *ght) { g_hash_table_foreach_remove ( ght, (GHRFunc) return_true, FALSE ); } | |
45 | #endif | |
46 | ||
50a14534 EB |
47 | #define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') ) |
48 | #define VIK_MAGIC "#VIK" | |
bf35388d | 49 | #define GPX_MAGIC "<?xm" |
50a14534 EB |
50 | #define VIK_MAGIC_LEN 4 |
51 | ||
52 | #ifdef WINDOWS | |
53 | #define FILE_SEP '\\' | |
54 | #else | |
55 | #define FILE_SEP '/' | |
56 | #endif | |
57 | ||
58 | typedef struct _Stack Stack; | |
59 | ||
60 | struct _Stack { | |
61 | Stack *under; | |
62 | gpointer *data; | |
63 | }; | |
64 | ||
65 | static void pop(Stack **stack) { | |
66 | Stack *tmp = (*stack)->under; | |
67 | g_free ( *stack ); | |
68 | *stack = tmp; | |
69 | } | |
70 | ||
71 | static void push(Stack **stack) | |
72 | { | |
73 | Stack *tmp = g_malloc ( sizeof ( Stack ) ); | |
74 | tmp->under = *stack; | |
75 | *stack = tmp; | |
76 | } | |
77 | ||
bf35388d | 78 | static gboolean check_magic ( FILE *f, const gchar *magic_number ) |
50a14534 EB |
79 | { |
80 | gchar magic[VIK_MAGIC_LEN]; | |
81 | gboolean rv = FALSE; | |
82 | gint8 i; | |
83 | if ( fread(magic, 1, sizeof(magic), f) == sizeof(magic) && | |
bf35388d | 84 | strncmp(magic, magic_number, sizeof(magic)) == 0 ) |
50a14534 EB |
85 | rv = TRUE; |
86 | for ( i = sizeof(magic)-1; i >= 0; i-- ) /* the ol' pushback */ | |
87 | ungetc(magic[i],f); | |
88 | return rv; | |
89 | } | |
90 | ||
91 | ||
92 | static gboolean str_starts_with ( const gchar *haystack, const gchar *needle, guint16 len_needle, gboolean must_be_longer ) | |
93 | { | |
94 | if ( strlen(haystack) > len_needle - (!must_be_longer) && strncasecmp ( haystack, needle, len_needle ) == 0 ) | |
95 | return TRUE; | |
96 | return FALSE; | |
97 | } | |
98 | ||
99 | static guint16 layer_type_from_string ( const gchar *str ) | |
100 | { | |
101 | guint8 i; | |
102 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
103 | if ( strcasecmp ( str, vik_layer_get_interface(i)->name ) == 0 ) | |
104 | return i; | |
105 | return -1; | |
106 | } | |
107 | ||
17a1f8f9 | 108 | void file_write_layer_param ( FILE *f, const gchar *name, guint8 type, VikLayerParamData data ) { |
ad0a8c2d EB |
109 | /* string lists are handled differently. We get a GList (that shouldn't |
110 | * be freed) back for get_param and if it is null we shouldn't write | |
111 | * anything at all (otherwise we'd read in a list with an empty string, | |
17a1f8f9 | 112 | * not an empty string list. |
ad0a8c2d | 113 | */ |
17a1f8f9 | 114 | if ( type == VIK_LAYER_PARAM_STRING_LIST ) { |
ad0a8c2d EB |
115 | if ( data.sl ) { |
116 | GList *iter = (GList *)data.sl; | |
117 | while ( iter ) { | |
17a1f8f9 | 118 | fprintf ( f, "%s=", name ); |
ad0a8c2d EB |
119 | fprintf ( f, "%s\n", (gchar *)(iter->data) ); |
120 | iter = iter->next; | |
121 | } | |
122 | } | |
123 | } else { | |
17a1f8f9 EB |
124 | fprintf ( f, "%s=", name ); |
125 | switch ( type ) | |
ad0a8c2d EB |
126 | { |
127 | case VIK_LAYER_PARAM_DOUBLE: { | |
128 | // char buf[15]; /* locale independent */ | |
129 | // fprintf ( f, "%s\n", (char *) g_dtostr (data.d, buf, sizeof (buf)) ); break; | |
130 | fprintf ( f, "%f\n", data.d ); | |
131 | break; | |
132 | } | |
133 | case VIK_LAYER_PARAM_UINT: fprintf ( f, "%d\n", data.u ); break; | |
134 | case VIK_LAYER_PARAM_INT: fprintf ( f, "%d\n", data.i ); break; | |
135 | case VIK_LAYER_PARAM_BOOLEAN: fprintf ( f, "%c\n", data.b ? 't' : 'f' ); break; | |
136 | case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ); break; | |
137 | 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; | |
138 | } | |
50a14534 | 139 | } |
17a1f8f9 EB |
140 | } |
141 | ||
142 | static void write_layer_params_and_data ( VikLayer *l, FILE *f ) | |
143 | { | |
144 | VikLayerParam *params = vik_layer_get_interface(l->type)->params; | |
145 | VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param; | |
146 | ||
147 | fprintf ( f, "name=%s\n", l->name ? l->name : "" ); | |
148 | if ( !l->visible ) | |
149 | fprintf ( f, "visible=f\n" ); | |
150 | ||
151 | if ( params && get_param ) | |
152 | { | |
153 | VikLayerParamData data; | |
154 | guint16 i, params_count = vik_layer_get_interface(l->type)->params_count; | |
155 | for ( i = 0; i < params_count; i++ ) | |
156 | { | |
158b3642 | 157 | data = get_param(l, i, TRUE); |
17a1f8f9 | 158 | file_write_layer_param(f, params[i].name, params[i].type, data); |
50a14534 EB |
159 | } |
160 | } | |
161 | if ( vik_layer_get_interface(l->type)->write_file_data ) | |
162 | { | |
163 | fprintf ( f, "\n\n~LayerData\n" ); | |
164 | vik_layer_get_interface(l->type)->write_file_data ( l, f ); | |
165 | fprintf ( f, "~EndLayerData\n" ); | |
166 | } | |
167 | /* foreach param: | |
168 | write param, and get_value, etc. | |
169 | then run layer data, and that's it. | |
170 | */ | |
171 | } | |
172 | ||
173 | static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) | |
174 | { | |
175 | Stack *stack = NULL; | |
176 | VikLayer *current_layer; | |
177 | struct LatLon ll; | |
c5f9245d | 178 | VikViewportDrawMode mode; |
4d872dde | 179 | gchar *modestring = NULL; |
50a14534 EB |
180 | |
181 | push(&stack); | |
182 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(top)); | |
183 | stack->under = NULL; | |
184 | ||
185 | /* crazhy CRAZHY */ | |
186 | vik_coord_to_latlon ( vik_viewport_get_center ( VIK_VIEWPORT(vp) ), &ll ); | |
187 | ||
c5f9245d GB |
188 | mode = vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) ); |
189 | switch ( mode ) { | |
50a14534 EB |
190 | case VIK_VIEWPORT_DRAWMODE_UTM: modestring = "utm"; break; |
191 | case VIK_VIEWPORT_DRAWMODE_EXPEDIA: modestring = "expedia"; break; | |
c5f9245d | 192 | case VIK_VIEWPORT_DRAWMODE_MERCATOR: modestring = "mercator"; break; |
d587678a | 193 | case VIK_VIEWPORT_DRAWMODE_LATLON: modestring = "latlon"; break; |
c5f9245d GB |
194 | default: |
195 | g_critical("Houston, we've had a problem. mode=%d", mode); | |
50a14534 EB |
196 | } |
197 | ||
480fb7e1 | 198 | 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 | 199 | vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ), ll.lat, ll.lon, |
35c7c0ba | 200 | modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)), |
480fb7e1 | 201 | vik_viewport_get_highlight_color(VIK_VIEWPORT(vp)), |
c933487f | 202 | vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f", |
2afcef36 RN |
203 | vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f", |
204 | vik_viewport_get_draw_highlight(VIK_VIEWPORT(vp)) ? "t" : "f" ); | |
50a14534 EB |
205 | |
206 | if ( ! VIK_LAYER(top)->visible ) | |
207 | fprintf ( f, "visible=f\n" ); | |
208 | ||
209 | while (stack && stack->data) | |
210 | { | |
211 | current_layer = VIK_LAYER(((GList *)stack->data)->data); | |
212 | fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->name ); | |
213 | write_layer_params_and_data ( current_layer, f ); | |
214 | if ( current_layer->type == VIK_LAYER_AGGREGATE && !vik_aggregate_layer_is_empty(VIK_AGGREGATE_LAYER(current_layer)) ) | |
215 | { | |
216 | push(&stack); | |
217 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(current_layer)); | |
218 | } | |
f253a6a6 | 219 | else if ( current_layer->type == VIK_LAYER_GPS && !vik_gps_layer_is_empty(VIK_GPS_LAYER(current_layer)) ) |
7886de28 QT |
220 | { |
221 | push(&stack); | |
222 | stack->data = (gpointer) vik_gps_layer_get_children(VIK_GPS_LAYER(current_layer)); | |
223 | } | |
50a14534 EB |
224 | else |
225 | { | |
226 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
227 | fprintf ( f, "~EndLayer\n\n" ); | |
228 | while ( stack && (!stack->data) ) | |
229 | { | |
230 | pop(&stack); | |
231 | if ( stack ) | |
232 | { | |
233 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
234 | fprintf ( f, "~EndLayer\n\n" ); | |
235 | } | |
236 | } | |
237 | } | |
238 | } | |
239 | /* | |
240 | get vikaggregatelayer's children (?) | |
241 | foreach write ALL params, | |
242 | then layer data (IF function exists) | |
243 | then endlayer | |
244 | ||
245 | impl: | |
246 | stack of layers (LIST) we are working on | |
247 | when layer->next == NULL ... | |
248 | we move on. | |
249 | */ | |
250 | } | |
251 | ||
ad0a8c2d EB |
252 | static void string_list_delete ( gpointer key, gpointer l, gpointer user_data ) |
253 | { | |
28c82d8b EB |
254 | /* 20071021 bugfix */ |
255 | GList *iter = (GList *) l; | |
ad0a8c2d EB |
256 | while ( iter ) { |
257 | g_free ( iter->data ); | |
258 | iter = iter->next; | |
259 | } | |
28c82d8b | 260 | g_list_free ( (GList *) l ); |
ad0a8c2d EB |
261 | } |
262 | ||
263 | static void string_list_set_param (gint i, GList *list, gpointer *layer_and_vp) | |
264 | { | |
265 | VikLayerParamData x; | |
266 | x.sl = list; | |
158b3642 | 267 | vik_layer_set_param ( VIK_LAYER(layer_and_vp[0]), i, x, layer_and_vp[1], TRUE ); |
ad0a8c2d EB |
268 | } |
269 | ||
327a2533 RN |
270 | /** |
271 | * Read in a Viking file and return how successful the parsing was | |
272 | * ATM this will always work, in that even if there are parsing problems | |
273 | * then there will be no new values to override the defaults | |
274 | * | |
275 | * TODO flow up line number(s) / error messages of problems encountered... | |
276 | * | |
277 | */ | |
278 | static gboolean file_read ( VikAggregateLayer *top, FILE *f, VikViewport *vp ) | |
50a14534 EB |
279 | { |
280 | Stack *stack; | |
281 | struct LatLon ll = { 0.0, 0.0 }; | |
282 | gchar buffer[4096]; | |
283 | gchar *line; | |
284 | guint16 len; | |
285 | long line_num = 0; | |
286 | ||
37518034 QT |
287 | VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */ |
288 | guint8 params_count = 0; | |
50a14534 | 289 | |
ad0a8c2d EB |
290 | GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal); |
291 | ||
327a2533 RN |
292 | gboolean successful_read = TRUE; |
293 | ||
50a14534 EB |
294 | push(&stack); |
295 | stack->under = NULL; | |
296 | stack->data = (gpointer) top; | |
297 | ||
298 | while ( fgets ( buffer, 4096, f ) ) | |
299 | { | |
300 | line_num++; | |
301 | ||
302 | line = buffer; | |
303 | while ( *line == ' ' || *line =='\t' ) | |
304 | line++; | |
305 | ||
306 | if ( line[0] == '#' ) | |
307 | continue; | |
308 | ||
309 | ||
310 | len = strlen(line); | |
311 | if ( len > 0 && line[len-1] == '\n' ) | |
312 | line[--len] = '\0'; | |
313 | if ( len > 0 && line[len-1] == '\r' ) | |
314 | line[--len] = '\0'; | |
315 | ||
316 | if ( len == 0 ) | |
317 | continue; | |
318 | ||
319 | ||
320 | if ( line[0] == '~' ) | |
321 | { | |
322 | line++; len--; | |
323 | if ( *line == '\0' ) | |
324 | continue; | |
325 | else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) | |
326 | { | |
f253a6a6 QT |
327 | int parent_type = VIK_LAYER(stack->data)->type; |
328 | if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) | |
50a14534 | 329 | { |
327a2533 | 330 | successful_read = FALSE; |
f253a6a6 | 331 | g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); |
50a14534 EB |
332 | push(&stack); /* inside INVALID layer */ |
333 | stack->data = NULL; | |
334 | continue; | |
335 | } | |
336 | else | |
337 | { | |
338 | gint16 type = layer_type_from_string ( line+6 ); | |
339 | push(&stack); | |
340 | if ( type == -1 ) | |
341 | { | |
327a2533 | 342 | successful_read = FALSE; |
4258f4e2 | 343 | g_warning ( "Line %ld: Unknown type %s", line_num, line+6 ); |
50a14534 EB |
344 | stack->data = NULL; |
345 | } | |
f253a6a6 QT |
346 | else if (parent_type == VIK_LAYER_GPS) |
347 | { | |
348 | stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); | |
349 | params = vik_layer_get_interface(type)->params; | |
350 | params_count = vik_layer_get_interface(type)->params_count; | |
351 | } | |
50a14534 EB |
352 | else |
353 | { | |
354 | stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE ); | |
355 | params = vik_layer_get_interface(type)->params; | |
356 | params_count = vik_layer_get_interface(type)->params_count; | |
357 | } | |
358 | } | |
359 | } | |
360 | else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) ) | |
361 | { | |
327a2533 RN |
362 | if ( stack->under == NULL ) { |
363 | successful_read = FALSE; | |
50a14534 | 364 | g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); |
327a2533 | 365 | } |
50a14534 EB |
366 | else |
367 | { | |
ad0a8c2d EB |
368 | /* add any string lists we've accumulated */ |
369 | gpointer layer_and_vp[2]; | |
370 | layer_and_vp[0] = stack->data; | |
371 | layer_and_vp[1] = vp; | |
372 | g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp ); | |
373 | g_hash_table_remove_all ( string_lists ); | |
374 | ||
50a14534 EB |
375 | if ( stack->data && stack->under->data ) |
376 | { | |
f253a6a6 QT |
377 | if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) { |
378 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 379 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
f253a6a6 QT |
380 | } |
381 | else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { | |
382 | /* TODO: anything else needs to be done here ? */ | |
383 | } | |
327a2533 RN |
384 | else { |
385 | successful_read = FALSE; | |
f253a6a6 | 386 | g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); |
327a2533 | 387 | } |
50a14534 EB |
388 | } |
389 | pop(&stack); | |
390 | } | |
391 | } | |
392 | else if ( str_starts_with ( line, "LayerData", 9, FALSE ) ) | |
393 | { | |
394 | if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ) | |
119ada4c | 395 | { |
50a14534 | 396 | /* must read until hits ~EndLayerData */ |
119ada4c RN |
397 | if ( ! vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f ) ) |
398 | successful_read = FALSE; | |
399 | } | |
50a14534 EB |
400 | else |
401 | { /* simply skip layer data over */ | |
402 | while ( fgets ( buffer, 4096, f ) ) | |
403 | { | |
404 | line_num++; | |
405 | ||
406 | line = buffer; | |
407 | ||
408 | len = strlen(line); | |
409 | if ( len > 0 && line[len-1] == '\n' ) | |
410 | line[--len] = '\0'; | |
411 | if ( len > 0 && line[len-1] == '\r' ) | |
412 | line[--len] = '\0'; | |
413 | if ( strcasecmp ( line, "~EndLayerData" ) == 0 ) | |
414 | break; | |
415 | } | |
416 | continue; | |
417 | } | |
418 | } | |
419 | else | |
420 | { | |
327a2533 | 421 | successful_read = FALSE; |
50a14534 EB |
422 | g_warning ( "Line %ld: Unknown tilde command", line_num ); |
423 | } | |
424 | } | |
425 | else | |
426 | { | |
427 | gint32 eq_pos = -1; | |
428 | guint16 i; | |
429 | if ( ! stack->data ) | |
430 | continue; | |
431 | ||
432 | for ( i = 0; i < len; i++ ) | |
433 | if ( line[i] == '=' ) | |
434 | eq_pos = i; | |
435 | ||
436 | if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */ | |
437 | vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
438 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0) | |
439 | vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
440 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 ) | |
441 | ll.lat = strtod ( line+4, NULL ); | |
442 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 ) | |
443 | ll.lon = strtod ( line+4, NULL ); | |
444 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0) | |
445 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM); | |
446 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0) | |
447 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA ); | |
448 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0) | |
fd98b156 | 449 | { |
327a2533 | 450 | successful_read = FALSE; |
fd98b156 GB |
451 | g_warning ( _("Draw mode '%s' no more supported"), "google" ); |
452 | } | |
50a14534 | 453 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0) |
fd98b156 | 454 | { |
327a2533 | 455 | successful_read = FALSE; |
fd98b156 GB |
456 | g_warning ( _("Draw mode '%s' no more supported"), "kh" ); |
457 | } | |
50a14534 EB |
458 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0) |
459 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); | |
d587678a GB |
460 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "latlon" ) == 0) |
461 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_LATLON ); | |
50a14534 EB |
462 | else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 ) |
463 | vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 ); | |
480fb7e1 RN |
464 | else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "highlightcolor", eq_pos ) == 0 ) |
465 | vik_viewport_set_highlight_color ( VIK_VIEWPORT(vp), line+15 ); | |
35c7c0ba EB |
466 | else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 ) |
467 | vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) ); | |
de66b263 | 468 | else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 ) |
1657065a | 469 | vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) ); |
2afcef36 RN |
470 | else if ( stack->under == NULL && eq_pos == 13 && strncasecmp ( line, "drawhighlight", eq_pos ) == 0 ) |
471 | vik_viewport_set_draw_highlight ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+14) ); | |
50a14534 EB |
472 | else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 ) |
473 | vik_layer_rename ( VIK_LAYER(stack->data), line+5 ); | |
474 | else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 ) | |
475 | VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8); | |
476 | else if ( eq_pos != -1 && stack->under ) | |
477 | { | |
478 | gboolean found_match = FALSE; | |
ad0a8c2d | 479 | |
50a14534 EB |
480 | /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ |
481 | /* also got to check for name and visible. */ | |
482 | ||
483 | if ( ! params ) | |
484 | { | |
327a2533 | 485 | successful_read = FALSE; |
50a14534 EB |
486 | g_warning ( "Line %ld: No options for this kind of layer", line_num ); |
487 | continue; | |
488 | } | |
489 | ||
490 | for ( i = 0; i < params_count; i++ ) | |
491 | if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 ) | |
492 | { | |
493 | VikLayerParamData x; | |
494 | line += eq_pos+1; | |
ad0a8c2d | 495 | if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) { |
dc2c040e RN |
496 | GList *l = g_list_append ( g_hash_table_lookup ( string_lists, GINT_TO_POINTER ((gint) i) ), |
497 | g_strdup(line) ); | |
498 | g_hash_table_replace ( string_lists, GINT_TO_POINTER ((gint)i), l ); | |
ad0a8c2d EB |
499 | /* add the value to a list, possibly making a new list. |
500 | * this will be passed to the layer when we read an ~EndLayer */ | |
501 | } else { | |
502 | switch ( params[i].type ) | |
503 | { | |
504 | case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; | |
505 | case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; | |
506 | case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; | |
507 | case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; | |
508 | case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ | |
50a14534 | 509 | gdk_color_parse ( line, &(x.c) ); break; |
ad0a8c2d EB |
510 | /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */ |
511 | default: x.s = line; | |
512 | } | |
158b3642 | 513 | vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp, TRUE ); |
50a14534 | 514 | } |
50a14534 EB |
515 | found_match = TRUE; |
516 | break; | |
517 | } | |
327a2533 RN |
518 | if ( ! found_match ) { |
519 | // ATM don't flow up this issue because at least one internal parameter has changed from version 1.3 | |
520 | // and don't what to worry users about raising such issues | |
521 | // TODO Maybe hold old values here - compare the line value against them and if a match | |
522 | // generate a different style of message in the GUI... | |
523 | // successful_read = FALSE; | |
ea3933fc | 524 | g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); |
327a2533 | 525 | } |
50a14534 | 526 | } |
327a2533 RN |
527 | else { |
528 | successful_read = FALSE; | |
50a14534 | 529 | g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); |
327a2533 | 530 | } |
50a14534 EB |
531 | } |
532 | /* could be: | |
533 | [Layer Type=Bla] | |
534 | [EndLayer] | |
535 | [LayerData] | |
536 | name=this | |
537 | #comment | |
538 | */ | |
539 | } | |
540 | ||
541 | while ( stack ) | |
542 | { | |
543 | if ( stack->under && stack->under->data && stack->data ) | |
544 | { | |
545 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 546 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
50a14534 EB |
547 | } |
548 | pop(&stack); | |
549 | } | |
550 | ||
551 | if ( ll.lat != 0.0 || ll.lon != 0.0 ) | |
552 | vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll ); | |
553 | ||
554 | if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized ) | |
555 | vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); | |
ad0a8c2d EB |
556 | |
557 | /* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */ | |
558 | g_hash_table_foreach ( string_lists, string_list_delete, NULL ); | |
559 | g_hash_table_destroy ( string_lists ); | |
327a2533 RN |
560 | |
561 | return successful_read; | |
50a14534 EB |
562 | } |
563 | ||
564 | /* | |
565 | read thru file | |
566 | if "[Layer Type=" | |
567 | push(&stack) | |
568 | new default layer of type (str_to_type) (check interface->name) | |
569 | if "[EndLayer]" | |
570 | VikLayer *vl = stack->data; | |
571 | pop(&stack); | |
572 | vik_aggregate_layer_add_layer(stack->data, vl); | |
573 | if "[LayerData]" | |
574 | vik_layer_data ( VIK_LAYER_DATA(stack->data), f, vp ); | |
575 | ||
576 | */ | |
577 | ||
578 | /* ---------------------------------------------------- */ | |
579 | ||
580 | static FILE *xfopen ( const char *fn, const char *mode ) | |
581 | { | |
582 | if ( strcmp(fn,"-") == 0 ) | |
583 | return stdin; | |
584 | else | |
8c060406 | 585 | return g_fopen(fn, "r"); |
50a14534 EB |
586 | } |
587 | ||
588 | static void xfclose ( FILE *f ) | |
589 | { | |
8c060406 | 590 | if ( f != stdin && f != stdout ) { |
50a14534 | 591 | fclose ( f ); |
8c060406 MA |
592 | f = NULL; |
593 | } | |
50a14534 EB |
594 | } |
595 | ||
ba9d0a00 RN |
596 | /* |
597 | * Function to determine if a filename is a 'viking' type file | |
598 | */ | |
599 | gboolean check_file_magic_vik ( const gchar *filename ) | |
600 | { | |
a3180051 | 601 | gboolean result = FALSE; |
ba9d0a00 | 602 | FILE *ff = xfopen ( filename, "r" ); |
a3180051 RN |
603 | if ( ff ) { |
604 | result = check_magic ( ff, VIK_MAGIC ); | |
605 | xfclose ( ff ); | |
606 | } | |
ba9d0a00 RN |
607 | return result; |
608 | } | |
609 | ||
610 | VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename_or_uri ) | |
50a14534 | 611 | { |
0a514451 RN |
612 | g_return_val_if_fail ( vp != NULL, LOAD_TYPE_READ_FAILURE ); |
613 | ||
11f427b8 | 614 | char *filename = (char *)filename_or_uri; |
db32b809 MR |
615 | if (strncmp(filename, "file://", 7) == 0) |
616 | filename = filename + 7; | |
617 | ||
50a14534 EB |
618 | FILE *f = xfopen ( filename, "r" ); |
619 | ||
50a14534 | 620 | if ( ! f ) |
ba9d0a00 | 621 | return LOAD_TYPE_READ_FAILURE; |
50a14534 | 622 | |
327a2533 | 623 | VikLoadType_t load_answer = LOAD_TYPE_OTHER_SUCCESS; |
0a514451 RN |
624 | |
625 | // Attempt loading the primary file type first - our internal .vik file: | |
626 | if ( check_magic ( f, VIK_MAGIC ) ) | |
50a14534 | 627 | { |
327a2533 RN |
628 | if ( file_read ( top, f, vp ) ) |
629 | load_answer = LOAD_TYPE_VIK_SUCCESS; | |
630 | else | |
631 | load_answer = LOAD_TYPE_VIK_FAILURE_NON_FATAL; | |
50a14534 EB |
632 | } |
633 | else | |
634 | { | |
0a514451 RN |
635 | // For all other file types which consist of tracks, routes and/or waypoints, |
636 | // must be loaded into a new TrackWaypoint layer (hence it be created) | |
637 | gboolean success = TRUE; // Detect load failures - mainly to remove the layer created as it's not required | |
638 | ||
50a14534 | 639 | VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ); |
bf35388d | 640 | |
ba9d0a00 RN |
641 | // In fact both kml & gpx files start the same as they are in xml |
642 | if ( check_file_ext ( filename, ".kml" ) && check_magic ( f, GPX_MAGIC ) ) { | |
643 | // Implicit Conversion | |
0a514451 RN |
644 | if ( ! ( success = a_babel_convert_from ( VIK_TRW_LAYER(vtl), "-i kml", filename, NULL, NULL ) ) ) { |
645 | load_answer = LOAD_TYPE_GPSBABEL_FAILURE; | |
ba9d0a00 RN |
646 | } |
647 | } | |
0a514451 RN |
648 | // NB use a extension check first, as a GPX file header may have a Byte Order Mark (BOM) in it |
649 | // - which currently confuses our check_magic function | |
650 | else if ( check_file_ext ( filename, ".gpx" ) || check_magic ( f, GPX_MAGIC ) ) { | |
651 | if ( ! ( success = a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) { | |
652 | load_answer = LOAD_TYPE_GPX_FAILURE; | |
54b84792 | 653 | } |
ba9d0a00 | 654 | } |
0a514451 RN |
655 | else { |
656 | // Try final supported file type | |
657 | if ( ! ( success = a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ) ) ) { | |
658 | // Failure here means we don't know how to handle the file | |
659 | load_answer = LOAD_TYPE_UNSUPPORTED_FAILURE; | |
660 | } | |
661 | } | |
50a14534 | 662 | |
0a514451 | 663 | // Clean up when we can't handle the file |
cb5ec7a8 RN |
664 | if ( ! success ) { |
665 | // free up layer | |
666 | g_object_unref ( vtl ); | |
cb5ec7a8 | 667 | } |
0a514451 RN |
668 | else { |
669 | // Complete the setup from the successful load | |
670 | vik_layer_rename ( vtl, a_file_basename ( filename ) ); | |
671 | vik_layer_post_read ( vtl, vp, TRUE ); | |
672 | vik_aggregate_layer_add_layer ( top, vtl ); | |
673 | vik_trw_layer_auto_set_view ( VIK_TRW_LAYER(vtl), vp ); | |
674 | } | |
50a14534 | 675 | } |
0a514451 RN |
676 | xfclose(f); |
677 | return load_answer; | |
50a14534 EB |
678 | } |
679 | ||
680 | gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) | |
681 | { | |
bf1c0ae3 SM |
682 | FILE *f; |
683 | ||
684 | if (strncmp(filename, "file://", 7) == 0) | |
685 | filename = filename + 7; | |
686 | ||
687 | f = g_fopen(filename, "w"); | |
50a14534 EB |
688 | |
689 | if ( ! f ) | |
690 | return FALSE; | |
691 | ||
692 | file_write ( top, f, vp ); | |
693 | ||
694 | fclose(f); | |
8c060406 | 695 | f = NULL; |
50a14534 EB |
696 | |
697 | return TRUE; | |
698 | } | |
699 | ||
700 | ||
701 | const gchar *a_file_basename ( const gchar *filename ) | |
702 | { | |
703 | const gchar *t = filename + strlen(filename) - 1; | |
704 | while ( --t > filename ) | |
705 | if ( *(t-1) == FILE_SEP ) | |
706 | break; | |
707 | if ( t >= filename ) | |
708 | return t; | |
709 | return filename; | |
710 | } | |
711 | ||
b0252b2e T |
712 | /* example: |
713 | gboolean is_gpx = check_file_ext ( "a/b/c.gpx", ".gpx" ); | |
714 | */ | |
715 | gboolean check_file_ext ( const gchar *filename, const gchar *fileext ) | |
716 | { | |
0a514451 RN |
717 | g_return_val_if_fail ( filename != NULL, FALSE ); |
718 | g_return_val_if_fail ( fileext && fileext[0]=='.', FALSE ); | |
b0252b2e | 719 | const gchar *basename = a_file_basename(filename); |
b0252b2e T |
720 | if (!basename) |
721 | return FALSE; | |
722 | ||
723 | const char * dot = strrchr(basename, '.'); | |
724 | if (dot && !strcmp(dot, fileext)) | |
725 | return TRUE; | |
726 | ||
727 | return FALSE; | |
728 | } | |
729 | ||
208d2084 RN |
730 | /** |
731 | * a_file_export: | |
732 | * @vtl: The TrackWaypoint to export data from | |
733 | * @filename: The name of the file to be written | |
734 | * @file_type: Choose one of the supported file types for the export | |
735 | * @trk: If specified then only export this track rather than the whole layer | |
736 | * @write_hidden: Whether to write invisible items | |
737 | * | |
738 | * A general export command to convert from Viking TRW layer data to an external supported format. | |
739 | * The write_hidden option is provided mainly to be able to transfer selected items when uploading to a GPS | |
740 | */ | |
741 | gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, VikFileType_t file_type, VikTrack *trk, gboolean write_hidden ) | |
50a14534 | 742 | { |
208d2084 | 743 | GpxWritingOptions options = { FALSE, FALSE, write_hidden }; |
8c060406 | 744 | FILE *f = g_fopen ( filename, "w" ); |
50a14534 EB |
745 | if ( f ) |
746 | { | |
ce4bd1cf | 747 | if ( trk ) { |
f7f8a0a6 GB |
748 | switch ( file_type ) { |
749 | case FILE_TYPE_GPX: | |
208d2084 | 750 | a_gpx_write_track_file ( trk, f, &options ); |
f7f8a0a6 GB |
751 | break; |
752 | default: | |
753 | g_critical("Houston, we've had a problem. file_type=%d", file_type); | |
754 | } | |
755 | } else { | |
756 | switch ( file_type ) { | |
757 | case FILE_TYPE_GPSMAPPER: | |
758 | a_gpsmapper_write_file ( vtl, f ); | |
759 | break; | |
760 | case FILE_TYPE_GPX: | |
208d2084 | 761 | a_gpx_write_file ( vtl, f, &options ); |
f7f8a0a6 GB |
762 | break; |
763 | case FILE_TYPE_GPSPOINT: | |
764 | a_gpspoint_write_file ( vtl, f ); | |
765 | break; | |
ba9d0a00 RN |
766 | case FILE_TYPE_KML: |
767 | fclose ( f ); | |
768 | f = NULL; | |
60dbd0ad RN |
769 | switch ( a_vik_get_kml_export_units () ) { |
770 | case VIK_KML_EXPORT_UNITS_STATUTE: | |
6f94db6d | 771 | return a_babel_convert_to ( vtl, NULL, "-o kml", filename, NULL, NULL ); |
60dbd0ad RN |
772 | break; |
773 | case VIK_KML_EXPORT_UNITS_NAUTICAL: | |
6f94db6d | 774 | return a_babel_convert_to ( vtl, NULL, "-o kml,units=n", filename, NULL, NULL ); |
60dbd0ad RN |
775 | break; |
776 | default: | |
777 | // VIK_KML_EXPORT_UNITS_METRIC: | |
6f94db6d | 778 | return a_babel_convert_to ( vtl, NULL, "-o kml,units=m", filename, NULL, NULL ); |
60dbd0ad RN |
779 | break; |
780 | } | |
781 | break; | |
f7f8a0a6 GB |
782 | default: |
783 | g_critical("Houston, we've had a problem. file_type=%d", file_type); | |
784 | } | |
7f6757c4 | 785 | } |
50a14534 | 786 | fclose ( f ); |
8c060406 | 787 | f = NULL; |
50a14534 EB |
788 | return TRUE; |
789 | } | |
790 | return FALSE; | |
791 | } | |
80d0ff2b | 792 |