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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> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
eb93fa95 GB |
22 | #ifdef HAVE_CONFIG_H |
23 | #include "config.h" | |
24 | #endif | |
50a14534 EB |
25 | #include "viking.h" |
26 | ||
bf35388d EB |
27 | #include "gpx.h" |
28 | ||
50a14534 EB |
29 | #include <string.h> |
30 | #include <stdlib.h> | |
d5728c65 GB |
31 | #include <glib.h> |
32 | #include <glib/gstdio.h> | |
50a14534 | 33 | |
cf38e8c7 EB |
34 | /* Relax some dependencies */ |
35 | #if ! GLIB_CHECK_VERSION(2,12,0) | |
36 | static gboolean return_true (gpointer a, gpointer b, gpointer c) { return TRUE; } | |
37 | static g_hash_table_remove_all (GHashTable *ght) { g_hash_table_foreach_remove ( ght, (GHRFunc) return_true, FALSE ); } | |
38 | #endif | |
39 | ||
50a14534 EB |
40 | #define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') ) |
41 | #define VIK_MAGIC "#VIK" | |
bf35388d | 42 | #define GPX_MAGIC "<?xm" |
50a14534 EB |
43 | #define VIK_MAGIC_LEN 4 |
44 | ||
45 | #ifdef WINDOWS | |
46 | #define FILE_SEP '\\' | |
47 | #else | |
48 | #define FILE_SEP '/' | |
49 | #endif | |
50 | ||
51 | typedef struct _Stack Stack; | |
52 | ||
53 | struct _Stack { | |
54 | Stack *under; | |
55 | gpointer *data; | |
56 | }; | |
57 | ||
58 | static void pop(Stack **stack) { | |
59 | Stack *tmp = (*stack)->under; | |
60 | g_free ( *stack ); | |
61 | *stack = tmp; | |
62 | } | |
63 | ||
64 | static void push(Stack **stack) | |
65 | { | |
66 | Stack *tmp = g_malloc ( sizeof ( Stack ) ); | |
67 | tmp->under = *stack; | |
68 | *stack = tmp; | |
69 | } | |
70 | ||
bf35388d | 71 | static gboolean check_magic ( FILE *f, const gchar *magic_number ) |
50a14534 EB |
72 | { |
73 | gchar magic[VIK_MAGIC_LEN]; | |
74 | gboolean rv = FALSE; | |
75 | gint8 i; | |
76 | if ( fread(magic, 1, sizeof(magic), f) == sizeof(magic) && | |
bf35388d | 77 | strncmp(magic, magic_number, sizeof(magic)) == 0 ) |
50a14534 EB |
78 | rv = TRUE; |
79 | for ( i = sizeof(magic)-1; i >= 0; i-- ) /* the ol' pushback */ | |
80 | ungetc(magic[i],f); | |
81 | return rv; | |
82 | } | |
83 | ||
84 | ||
85 | static gboolean str_starts_with ( const gchar *haystack, const gchar *needle, guint16 len_needle, gboolean must_be_longer ) | |
86 | { | |
87 | if ( strlen(haystack) > len_needle - (!must_be_longer) && strncasecmp ( haystack, needle, len_needle ) == 0 ) | |
88 | return TRUE; | |
89 | return FALSE; | |
90 | } | |
91 | ||
92 | static guint16 layer_type_from_string ( const gchar *str ) | |
93 | { | |
94 | guint8 i; | |
95 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
96 | if ( strcasecmp ( str, vik_layer_get_interface(i)->name ) == 0 ) | |
97 | return i; | |
98 | return -1; | |
99 | } | |
100 | ||
17a1f8f9 | 101 | void file_write_layer_param ( FILE *f, const gchar *name, guint8 type, VikLayerParamData data ) { |
ad0a8c2d EB |
102 | /* string lists are handled differently. We get a GList (that shouldn't |
103 | * be freed) back for get_param and if it is null we shouldn't write | |
104 | * anything at all (otherwise we'd read in a list with an empty string, | |
17a1f8f9 | 105 | * not an empty string list. |
ad0a8c2d | 106 | */ |
17a1f8f9 | 107 | if ( type == VIK_LAYER_PARAM_STRING_LIST ) { |
ad0a8c2d EB |
108 | if ( data.sl ) { |
109 | GList *iter = (GList *)data.sl; | |
110 | while ( iter ) { | |
17a1f8f9 | 111 | fprintf ( f, "%s=", name ); |
ad0a8c2d EB |
112 | fprintf ( f, "%s\n", (gchar *)(iter->data) ); |
113 | iter = iter->next; | |
114 | } | |
115 | } | |
116 | } else { | |
17a1f8f9 EB |
117 | fprintf ( f, "%s=", name ); |
118 | switch ( type ) | |
ad0a8c2d EB |
119 | { |
120 | case VIK_LAYER_PARAM_DOUBLE: { | |
121 | // char buf[15]; /* locale independent */ | |
122 | // fprintf ( f, "%s\n", (char *) g_dtostr (data.d, buf, sizeof (buf)) ); break; | |
123 | fprintf ( f, "%f\n", data.d ); | |
124 | break; | |
125 | } | |
126 | case VIK_LAYER_PARAM_UINT: fprintf ( f, "%d\n", data.u ); break; | |
127 | case VIK_LAYER_PARAM_INT: fprintf ( f, "%d\n", data.i ); break; | |
128 | case VIK_LAYER_PARAM_BOOLEAN: fprintf ( f, "%c\n", data.b ? 't' : 'f' ); break; | |
129 | case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ); break; | |
130 | 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; | |
131 | } | |
50a14534 | 132 | } |
17a1f8f9 EB |
133 | } |
134 | ||
135 | static void write_layer_params_and_data ( VikLayer *l, FILE *f ) | |
136 | { | |
137 | VikLayerParam *params = vik_layer_get_interface(l->type)->params; | |
138 | VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param; | |
139 | ||
140 | fprintf ( f, "name=%s\n", l->name ? l->name : "" ); | |
141 | if ( !l->visible ) | |
142 | fprintf ( f, "visible=f\n" ); | |
143 | ||
144 | if ( params && get_param ) | |
145 | { | |
146 | VikLayerParamData data; | |
147 | guint16 i, params_count = vik_layer_get_interface(l->type)->params_count; | |
148 | for ( i = 0; i < params_count; i++ ) | |
149 | { | |
150 | data = get_param(l,i); | |
151 | file_write_layer_param(f, params[i].name, params[i].type, data); | |
50a14534 EB |
152 | } |
153 | } | |
154 | if ( vik_layer_get_interface(l->type)->write_file_data ) | |
155 | { | |
156 | fprintf ( f, "\n\n~LayerData\n" ); | |
157 | vik_layer_get_interface(l->type)->write_file_data ( l, f ); | |
158 | fprintf ( f, "~EndLayerData\n" ); | |
159 | } | |
160 | /* foreach param: | |
161 | write param, and get_value, etc. | |
162 | then run layer data, and that's it. | |
163 | */ | |
164 | } | |
165 | ||
166 | static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) | |
167 | { | |
168 | Stack *stack = NULL; | |
169 | VikLayer *current_layer; | |
170 | struct LatLon ll; | |
171 | gchar *modestring; | |
172 | ||
173 | push(&stack); | |
174 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(top)); | |
175 | stack->under = NULL; | |
176 | ||
177 | /* crazhy CRAZHY */ | |
178 | vik_coord_to_latlon ( vik_viewport_get_center ( VIK_VIEWPORT(vp) ), &ll ); | |
179 | ||
180 | switch ( vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) ) ) { | |
181 | case VIK_VIEWPORT_DRAWMODE_UTM: modestring = "utm"; break; | |
182 | case VIK_VIEWPORT_DRAWMODE_EXPEDIA: modestring = "expedia"; break; | |
183 | case VIK_VIEWPORT_DRAWMODE_GOOGLE: modestring = "google"; break; | |
184 | case VIK_VIEWPORT_DRAWMODE_KH: modestring = "kh"; break; | |
185 | default: modestring = "mercator"; | |
186 | } | |
187 | ||
c933487f | 188 | fprintf ( f, "#VIKING GPS Data file " VIKING_URL "\n\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\ndrawscale=%s\ndrawcentermark=%s", |
50a14534 | 189 | vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ), ll.lat, ll.lon, |
35c7c0ba | 190 | modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)), |
c933487f QT |
191 | vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f", |
192 | vik_viewport_get_draw_centermark(VIK_VIEWPORT(vp)) ? "t" : "f" ); | |
50a14534 EB |
193 | |
194 | if ( ! VIK_LAYER(top)->visible ) | |
195 | fprintf ( f, "visible=f\n" ); | |
196 | ||
197 | while (stack && stack->data) | |
198 | { | |
199 | current_layer = VIK_LAYER(((GList *)stack->data)->data); | |
200 | fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->name ); | |
201 | write_layer_params_and_data ( current_layer, f ); | |
202 | if ( current_layer->type == VIK_LAYER_AGGREGATE && !vik_aggregate_layer_is_empty(VIK_AGGREGATE_LAYER(current_layer)) ) | |
203 | { | |
204 | push(&stack); | |
205 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(current_layer)); | |
206 | } | |
f253a6a6 | 207 | else if ( current_layer->type == VIK_LAYER_GPS && !vik_gps_layer_is_empty(VIK_GPS_LAYER(current_layer)) ) |
7886de28 QT |
208 | { |
209 | push(&stack); | |
210 | stack->data = (gpointer) vik_gps_layer_get_children(VIK_GPS_LAYER(current_layer)); | |
211 | } | |
50a14534 EB |
212 | else |
213 | { | |
214 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
215 | fprintf ( f, "~EndLayer\n\n" ); | |
216 | while ( stack && (!stack->data) ) | |
217 | { | |
218 | pop(&stack); | |
219 | if ( stack ) | |
220 | { | |
221 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
222 | fprintf ( f, "~EndLayer\n\n" ); | |
223 | } | |
224 | } | |
225 | } | |
226 | } | |
227 | /* | |
228 | get vikaggregatelayer's children (?) | |
229 | foreach write ALL params, | |
230 | then layer data (IF function exists) | |
231 | then endlayer | |
232 | ||
233 | impl: | |
234 | stack of layers (LIST) we are working on | |
235 | when layer->next == NULL ... | |
236 | we move on. | |
237 | */ | |
238 | } | |
239 | ||
ad0a8c2d EB |
240 | static void string_list_delete ( gpointer key, gpointer l, gpointer user_data ) |
241 | { | |
28c82d8b EB |
242 | /* 20071021 bugfix */ |
243 | GList *iter = (GList *) l; | |
ad0a8c2d EB |
244 | while ( iter ) { |
245 | g_free ( iter->data ); | |
246 | iter = iter->next; | |
247 | } | |
28c82d8b | 248 | g_list_free ( (GList *) l ); |
ad0a8c2d EB |
249 | } |
250 | ||
251 | static void string_list_set_param (gint i, GList *list, gpointer *layer_and_vp) | |
252 | { | |
253 | VikLayerParamData x; | |
254 | x.sl = list; | |
255 | vik_layer_set_param ( VIK_LAYER(layer_and_vp[0]), i, x, layer_and_vp[1] ); | |
256 | } | |
257 | ||
94933cb8 | 258 | static void file_read ( VikAggregateLayer *top, FILE *f, VikViewport *vp ) |
50a14534 EB |
259 | { |
260 | Stack *stack; | |
261 | struct LatLon ll = { 0.0, 0.0 }; | |
262 | gchar buffer[4096]; | |
263 | gchar *line; | |
264 | guint16 len; | |
265 | long line_num = 0; | |
266 | ||
37518034 QT |
267 | VikLayerParam *params = NULL; /* for current layer, so we don't have to keep on looking up interface */ |
268 | guint8 params_count = 0; | |
50a14534 | 269 | |
ad0a8c2d EB |
270 | GHashTable *string_lists = g_hash_table_new(g_direct_hash,g_direct_equal); |
271 | ||
50a14534 EB |
272 | push(&stack); |
273 | stack->under = NULL; | |
274 | stack->data = (gpointer) top; | |
275 | ||
276 | while ( fgets ( buffer, 4096, f ) ) | |
277 | { | |
278 | line_num++; | |
279 | ||
280 | line = buffer; | |
281 | while ( *line == ' ' || *line =='\t' ) | |
282 | line++; | |
283 | ||
284 | if ( line[0] == '#' ) | |
285 | continue; | |
286 | ||
287 | ||
288 | len = strlen(line); | |
289 | if ( len > 0 && line[len-1] == '\n' ) | |
290 | line[--len] = '\0'; | |
291 | if ( len > 0 && line[len-1] == '\r' ) | |
292 | line[--len] = '\0'; | |
293 | ||
294 | if ( len == 0 ) | |
295 | continue; | |
296 | ||
297 | ||
298 | if ( line[0] == '~' ) | |
299 | { | |
300 | line++; len--; | |
301 | if ( *line == '\0' ) | |
302 | continue; | |
303 | else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) | |
304 | { | |
f253a6a6 QT |
305 | int parent_type = VIK_LAYER(stack->data)->type; |
306 | if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) | |
50a14534 | 307 | { |
f253a6a6 | 308 | g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); |
50a14534 EB |
309 | push(&stack); /* inside INVALID layer */ |
310 | stack->data = NULL; | |
311 | continue; | |
312 | } | |
313 | else | |
314 | { | |
315 | gint16 type = layer_type_from_string ( line+6 ); | |
316 | push(&stack); | |
317 | if ( type == -1 ) | |
318 | { | |
319 | g_warning ( "Line %ld: Unknown type %s\n", line_num, line+6 ); | |
320 | stack->data = NULL; | |
321 | } | |
f253a6a6 QT |
322 | else if (parent_type == VIK_LAYER_GPS) |
323 | { | |
324 | stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); | |
325 | params = vik_layer_get_interface(type)->params; | |
326 | params_count = vik_layer_get_interface(type)->params_count; | |
327 | } | |
50a14534 EB |
328 | else |
329 | { | |
330 | stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE ); | |
331 | params = vik_layer_get_interface(type)->params; | |
332 | params_count = vik_layer_get_interface(type)->params_count; | |
333 | } | |
334 | } | |
335 | } | |
336 | else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) ) | |
337 | { | |
338 | if ( stack->under == NULL ) | |
339 | g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); | |
340 | else | |
341 | { | |
ad0a8c2d EB |
342 | /* add any string lists we've accumulated */ |
343 | gpointer layer_and_vp[2]; | |
344 | layer_and_vp[0] = stack->data; | |
345 | layer_and_vp[1] = vp; | |
346 | g_hash_table_foreach ( string_lists, (GHFunc) string_list_set_param, layer_and_vp ); | |
347 | g_hash_table_remove_all ( string_lists ); | |
348 | ||
50a14534 EB |
349 | if ( stack->data && stack->under->data ) |
350 | { | |
f253a6a6 QT |
351 | if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) { |
352 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 353 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
f253a6a6 QT |
354 | } |
355 | else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { | |
356 | /* TODO: anything else needs to be done here ? */ | |
357 | } | |
358 | else | |
359 | g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); | |
50a14534 EB |
360 | } |
361 | pop(&stack); | |
362 | } | |
363 | } | |
364 | else if ( str_starts_with ( line, "LayerData", 9, FALSE ) ) | |
365 | { | |
366 | if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ) | |
367 | vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f ); | |
368 | /* must read until hits ~EndLayerData */ | |
369 | ||
370 | else | |
371 | { /* simply skip layer data over */ | |
372 | while ( fgets ( buffer, 4096, f ) ) | |
373 | { | |
374 | line_num++; | |
375 | ||
376 | line = buffer; | |
377 | ||
378 | len = strlen(line); | |
379 | if ( len > 0 && line[len-1] == '\n' ) | |
380 | line[--len] = '\0'; | |
381 | if ( len > 0 && line[len-1] == '\r' ) | |
382 | line[--len] = '\0'; | |
383 | if ( strcasecmp ( line, "~EndLayerData" ) == 0 ) | |
384 | break; | |
385 | } | |
386 | continue; | |
387 | } | |
388 | } | |
389 | else | |
390 | { | |
391 | g_warning ( "Line %ld: Unknown tilde command", line_num ); | |
392 | } | |
393 | } | |
394 | else | |
395 | { | |
396 | gint32 eq_pos = -1; | |
397 | guint16 i; | |
398 | if ( ! stack->data ) | |
399 | continue; | |
400 | ||
401 | for ( i = 0; i < len; i++ ) | |
402 | if ( line[i] == '=' ) | |
403 | eq_pos = i; | |
404 | ||
405 | if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */ | |
406 | vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
407 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0) | |
408 | vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
409 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 ) | |
410 | ll.lat = strtod ( line+4, NULL ); | |
411 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 ) | |
412 | ll.lon = strtod ( line+4, NULL ); | |
413 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0) | |
414 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM); | |
415 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0) | |
416 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA ); | |
417 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0) | |
418 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_GOOGLE ); | |
419 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0) | |
420 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_KH ); | |
421 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0) | |
422 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); | |
423 | else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 ) | |
424 | vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 ); | |
35c7c0ba EB |
425 | else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 ) |
426 | vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) ); | |
de66b263 | 427 | else if ( stack->under == NULL && eq_pos == 14 && strncasecmp ( line, "drawcentermark", eq_pos ) == 0 ) |
1657065a | 428 | vik_viewport_set_draw_centermark ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+15) ); |
50a14534 EB |
429 | else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 ) |
430 | vik_layer_rename ( VIK_LAYER(stack->data), line+5 ); | |
431 | else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 ) | |
432 | VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8); | |
433 | else if ( eq_pos != -1 && stack->under ) | |
434 | { | |
435 | gboolean found_match = FALSE; | |
ad0a8c2d | 436 | |
50a14534 EB |
437 | /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ |
438 | /* also got to check for name and visible. */ | |
439 | ||
440 | if ( ! params ) | |
441 | { | |
442 | g_warning ( "Line %ld: No options for this kind of layer", line_num ); | |
443 | continue; | |
444 | } | |
445 | ||
446 | for ( i = 0; i < params_count; i++ ) | |
447 | if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 ) | |
448 | { | |
449 | VikLayerParamData x; | |
450 | line += eq_pos+1; | |
ad0a8c2d EB |
451 | if ( params[i].type == VIK_LAYER_PARAM_STRING_LIST ) { |
452 | GList *l = g_list_append ( g_hash_table_lookup ( string_lists, (gpointer) ((gint) i) ), g_strdup(line) ); | |
453 | g_hash_table_replace ( string_lists, (gpointer) ((gint)i), l ); | |
454 | /* add the value to a list, possibly making a new list. | |
455 | * this will be passed to the layer when we read an ~EndLayer */ | |
456 | } else { | |
457 | switch ( params[i].type ) | |
458 | { | |
459 | case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; | |
460 | case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; | |
461 | case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; | |
462 | case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; | |
463 | case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ | |
50a14534 | 464 | gdk_color_parse ( line, &(x.c) ); break; |
ad0a8c2d EB |
465 | /* STRING or STRING_LIST -- if STRING_LIST, just set param to add a STRING */ |
466 | default: x.s = line; | |
467 | } | |
468 | vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp ); | |
50a14534 | 469 | } |
50a14534 EB |
470 | found_match = TRUE; |
471 | break; | |
472 | } | |
473 | if ( ! found_match ) | |
ea3933fc | 474 | g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); |
50a14534 EB |
475 | } |
476 | else | |
477 | g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); | |
478 | } | |
479 | /* could be: | |
480 | [Layer Type=Bla] | |
481 | [EndLayer] | |
482 | [LayerData] | |
483 | name=this | |
484 | #comment | |
485 | */ | |
486 | } | |
487 | ||
488 | while ( stack ) | |
489 | { | |
490 | if ( stack->under && stack->under->data && stack->data ) | |
491 | { | |
492 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
dcb51e52 | 493 | vik_layer_post_read ( VIK_LAYER(stack->data), vp, TRUE ); |
50a14534 EB |
494 | } |
495 | pop(&stack); | |
496 | } | |
497 | ||
498 | if ( ll.lat != 0.0 || ll.lon != 0.0 ) | |
499 | vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll ); | |
500 | ||
501 | if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized ) | |
502 | vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); | |
ad0a8c2d EB |
503 | |
504 | /* delete anything we've forgotten about -- should only happen when file ends before an EndLayer */ | |
505 | g_hash_table_foreach ( string_lists, string_list_delete, NULL ); | |
506 | g_hash_table_destroy ( string_lists ); | |
50a14534 EB |
507 | } |
508 | ||
509 | /* | |
510 | read thru file | |
511 | if "[Layer Type=" | |
512 | push(&stack) | |
513 | new default layer of type (str_to_type) (check interface->name) | |
514 | if "[EndLayer]" | |
515 | VikLayer *vl = stack->data; | |
516 | pop(&stack); | |
517 | vik_aggregate_layer_add_layer(stack->data, vl); | |
518 | if "[LayerData]" | |
519 | vik_layer_data ( VIK_LAYER_DATA(stack->data), f, vp ); | |
520 | ||
521 | */ | |
522 | ||
523 | /* ---------------------------------------------------- */ | |
524 | ||
525 | static FILE *xfopen ( const char *fn, const char *mode ) | |
526 | { | |
527 | if ( strcmp(fn,"-") == 0 ) | |
528 | return stdin; | |
529 | else | |
530 | return fopen(fn, "r"); | |
531 | } | |
532 | ||
533 | static void xfclose ( FILE *f ) | |
534 | { | |
535 | if ( f != stdin && f != stdout ) | |
536 | fclose ( f ); | |
537 | } | |
538 | ||
539 | /* 0 on failure, 1 on success (vik file) 2 on success (other file) */ | |
94933cb8 | 540 | gshort a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename ) |
50a14534 EB |
541 | { |
542 | FILE *f = xfopen ( filename, "r" ); | |
543 | ||
544 | g_assert ( vp ); | |
545 | ||
546 | if ( ! f ) | |
547 | return 0; | |
548 | ||
bf35388d | 549 | if ( check_magic ( f, VIK_MAGIC ) ) |
50a14534 EB |
550 | { |
551 | file_read ( top, f, vp ); | |
552 | if ( f != stdin ) | |
553 | xfclose(f); | |
554 | return 1; | |
555 | } | |
556 | else | |
557 | { | |
558 | VikCoord new_center; | |
559 | VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ); | |
560 | vik_layer_rename ( vtl, a_file_basename ( filename ) ); | |
bf35388d EB |
561 | |
562 | if ( check_magic ( f, GPX_MAGIC ) ) | |
563 | a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ); | |
564 | else | |
565 | a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ); | |
50a14534 | 566 | |
dcb51e52 | 567 | vik_layer_post_read ( vtl, vp, TRUE ); |
50a14534 EB |
568 | |
569 | vik_aggregate_layer_add_layer ( top, vtl ); | |
570 | ||
571 | if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(vtl), &new_center ) ) | |
572 | vik_viewport_set_center_coord ( VIK_VIEWPORT(vp), &new_center ); | |
573 | xfclose(f); | |
574 | return 2; | |
575 | } | |
576 | } | |
577 | ||
578 | gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) | |
579 | { | |
580 | FILE *f = fopen(filename, "w"); | |
581 | ||
582 | if ( ! f ) | |
583 | return FALSE; | |
584 | ||
585 | file_write ( top, f, vp ); | |
586 | ||
587 | fclose(f); | |
588 | ||
589 | return TRUE; | |
590 | } | |
591 | ||
592 | ||
593 | const gchar *a_file_basename ( const gchar *filename ) | |
594 | { | |
595 | const gchar *t = filename + strlen(filename) - 1; | |
596 | while ( --t > filename ) | |
597 | if ( *(t-1) == FILE_SEP ) | |
598 | break; | |
599 | if ( t >= filename ) | |
600 | return t; | |
601 | return filename; | |
602 | } | |
603 | ||
604 | gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, gshort file_type ) | |
605 | { | |
606 | FILE *f = fopen ( filename, "w" ); | |
607 | if ( f ) | |
608 | { | |
609 | if ( file_type == FILE_TYPE_GPSMAPPER ) | |
610 | a_gpsmapper_write_file ( vtl, f ); | |
561e6ad0 EB |
611 | else if ( file_type == FILE_TYPE_GPX ) |
612 | a_gpx_write_file ( vtl, f ); | |
50a14534 EB |
613 | else |
614 | a_gpspoint_write_file ( vtl, f ); | |
615 | fclose ( f ); | |
616 | return TRUE; | |
617 | } | |
618 | return FALSE; | |
619 | } | |
80d0ff2b QT |
620 | |
621 | const gchar *a_get_viking_dir() | |
622 | { | |
623 | static gchar *viking_dir = NULL; | |
624 | ||
17a1f8f9 EB |
625 | // TODO: use g_get_user_config_dir ? |
626 | ||
80d0ff2b | 627 | if (!viking_dir) { |
29b41fab GB |
628 | const gchar *home = g_getenv("HOME"); |
629 | if (!home || access(home, W_OK)) | |
630 | home = g_get_home_dir (); | |
eb93fa95 | 631 | #ifdef HAVE_MKDTEMP |
80d0ff2b | 632 | if (!home || access(home, W_OK)) |
eb93fa95 GB |
633 | { |
634 | static gchar temp[] = {"/tmp/vikXXXXXX"}; | |
261c8fdc | 635 | home = mkdtemp(temp); |
eb93fa95 GB |
636 | } |
637 | #endif | |
638 | if (!home || access(home, W_OK)) | |
639 | /* Fatal error */ | |
640 | g_critical("Unable to find a base directory"); | |
29b41fab GB |
641 | |
642 | /* Build the name of the directory */ | |
643 | viking_dir = g_build_filename(home, ".viking", NULL); | |
80d0ff2b | 644 | if (access(viking_dir, F_OK)) |
d5728c65 | 645 | g_mkdir(viking_dir, 0755); |
80d0ff2b QT |
646 | } |
647 | ||
648 | return viking_dir; | |
649 | } |