]>
Commit | Line | Data |
---|---|---|
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 | ||
22 | #include "viking.h" | |
23 | ||
24 | #include "gpx.h" | |
25 | ||
26 | #include <string.h> | |
27 | #include <stdlib.h> | |
28 | ||
29 | #define TEST_BOOLEAN(str) (! ((str)[0] == '\0' || (str)[0] == '0' || (str)[0] == 'n' || (str)[0] == 'N' || (str)[0] == 'f' || (str)[0] == 'F') ) | |
30 | #define VIK_MAGIC "#VIK" | |
31 | #define GPX_MAGIC "<?xm" | |
32 | #define VIK_MAGIC_LEN 4 | |
33 | ||
34 | #ifdef WINDOWS | |
35 | #define FILE_SEP '\\' | |
36 | #else | |
37 | #define FILE_SEP '/' | |
38 | #endif | |
39 | ||
40 | typedef struct _Stack Stack; | |
41 | ||
42 | struct _Stack { | |
43 | Stack *under; | |
44 | gpointer *data; | |
45 | }; | |
46 | ||
47 | static void pop(Stack **stack) { | |
48 | Stack *tmp = (*stack)->under; | |
49 | g_free ( *stack ); | |
50 | *stack = tmp; | |
51 | } | |
52 | ||
53 | static void push(Stack **stack) | |
54 | { | |
55 | Stack *tmp = g_malloc ( sizeof ( Stack ) ); | |
56 | tmp->under = *stack; | |
57 | *stack = tmp; | |
58 | } | |
59 | ||
60 | static gboolean check_magic ( FILE *f, const gchar *magic_number ) | |
61 | { | |
62 | gchar magic[VIK_MAGIC_LEN]; | |
63 | gboolean rv = FALSE; | |
64 | gint8 i; | |
65 | if ( fread(magic, 1, sizeof(magic), f) == sizeof(magic) && | |
66 | strncmp(magic, magic_number, sizeof(magic)) == 0 ) | |
67 | rv = TRUE; | |
68 | for ( i = sizeof(magic)-1; i >= 0; i-- ) /* the ol' pushback */ | |
69 | ungetc(magic[i],f); | |
70 | return rv; | |
71 | } | |
72 | ||
73 | ||
74 | static gboolean str_starts_with ( const gchar *haystack, const gchar *needle, guint16 len_needle, gboolean must_be_longer ) | |
75 | { | |
76 | if ( strlen(haystack) > len_needle - (!must_be_longer) && strncasecmp ( haystack, needle, len_needle ) == 0 ) | |
77 | return TRUE; | |
78 | return FALSE; | |
79 | } | |
80 | ||
81 | static guint16 layer_type_from_string ( const gchar *str ) | |
82 | { | |
83 | guint8 i; | |
84 | for ( i = 0; i < VIK_LAYER_NUM_TYPES; i++ ) | |
85 | if ( strcasecmp ( str, vik_layer_get_interface(i)->name ) == 0 ) | |
86 | return i; | |
87 | return -1; | |
88 | } | |
89 | ||
90 | static void write_layer_params_and_data ( VikLayer *l, FILE *f ) | |
91 | { | |
92 | VikLayerParam *params = vik_layer_get_interface(l->type)->params; | |
93 | VikLayerFuncGetParam get_param = vik_layer_get_interface(l->type)->get_param; | |
94 | ||
95 | fprintf ( f, "name=%s\n", l->name ? l->name : "" ); | |
96 | if ( !l->visible ) | |
97 | fprintf ( f, "visible=f\n" ); | |
98 | ||
99 | if ( params && get_param ) | |
100 | { | |
101 | VikLayerParamData data; | |
102 | guint16 i, params_count = vik_layer_get_interface(l->type)->params_count; | |
103 | for ( i = 0; i < params_count; i++ ) | |
104 | { | |
105 | data = get_param(l,i); | |
106 | fprintf ( f, "%s=", params[i].name ); | |
107 | switch ( params[i].type ) | |
108 | { | |
109 | case VIK_LAYER_PARAM_DOUBLE: { | |
110 | // char buf[15]; /* locale independent */ | |
111 | // fprintf ( f, "%s\n", (char *) g_dtostr (data.d, buf, sizeof (buf)) ); break; | |
112 | fprintf ( f, "%f\n", data.d ); | |
113 | break; | |
114 | } | |
115 | case VIK_LAYER_PARAM_UINT: fprintf ( f, "%d\n", data.u ); break; | |
116 | case VIK_LAYER_PARAM_INT: fprintf ( f, "%d\n", data.i ); break; | |
117 | case VIK_LAYER_PARAM_BOOLEAN: fprintf ( f, "%c\n", data.b ? 't' : 'f' ); break; | |
118 | case VIK_LAYER_PARAM_STRING: fprintf ( f, "%s\n", data.s ); break; | |
119 | 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; | |
120 | } | |
121 | } | |
122 | } | |
123 | if ( vik_layer_get_interface(l->type)->write_file_data ) | |
124 | { | |
125 | fprintf ( f, "\n\n~LayerData\n" ); | |
126 | vik_layer_get_interface(l->type)->write_file_data ( l, f ); | |
127 | fprintf ( f, "~EndLayerData\n" ); | |
128 | } | |
129 | /* foreach param: | |
130 | write param, and get_value, etc. | |
131 | then run layer data, and that's it. | |
132 | */ | |
133 | } | |
134 | ||
135 | static void file_write ( VikAggregateLayer *top, FILE *f, gpointer vp ) | |
136 | { | |
137 | Stack *stack = NULL; | |
138 | VikLayer *current_layer; | |
139 | struct LatLon ll; | |
140 | gchar *modestring; | |
141 | ||
142 | push(&stack); | |
143 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(top)); | |
144 | stack->under = NULL; | |
145 | ||
146 | /* crazhy CRAZHY */ | |
147 | vik_coord_to_latlon ( vik_viewport_get_center ( VIK_VIEWPORT(vp) ), &ll ); | |
148 | ||
149 | switch ( vik_viewport_get_drawmode ( VIK_VIEWPORT(vp) ) ) { | |
150 | case VIK_VIEWPORT_DRAWMODE_UTM: modestring = "utm"; break; | |
151 | case VIK_VIEWPORT_DRAWMODE_EXPEDIA: modestring = "expedia"; break; | |
152 | case VIK_VIEWPORT_DRAWMODE_GOOGLE: modestring = "google"; break; | |
153 | case VIK_VIEWPORT_DRAWMODE_KH: modestring = "kh"; break; | |
154 | default: modestring = "mercator"; | |
155 | } | |
156 | ||
157 | fprintf ( f, "#VIKING GPS Data file " VIKING_URL "\n\nxmpp=%f\nympp=%f\nlat=%f\nlon=%f\nmode=%s\ncolor=%s\ndrawscale=%s\n", | |
158 | vik_viewport_get_xmpp ( VIK_VIEWPORT(vp) ), vik_viewport_get_ympp ( VIK_VIEWPORT(vp) ), ll.lat, ll.lon, | |
159 | modestring, vik_viewport_get_background_color(VIK_VIEWPORT(vp)), | |
160 | vik_viewport_get_draw_scale(VIK_VIEWPORT(vp)) ? "t" : "f" ); | |
161 | ||
162 | if ( ! VIK_LAYER(top)->visible ) | |
163 | fprintf ( f, "visible=f\n" ); | |
164 | ||
165 | while (stack && stack->data) | |
166 | { | |
167 | current_layer = VIK_LAYER(((GList *)stack->data)->data); | |
168 | fprintf ( f, "\n~Layer %s\n", vik_layer_get_interface(current_layer->type)->name ); | |
169 | write_layer_params_and_data ( current_layer, f ); | |
170 | if ( current_layer->type == VIK_LAYER_AGGREGATE && !vik_aggregate_layer_is_empty(VIK_AGGREGATE_LAYER(current_layer)) ) | |
171 | { | |
172 | push(&stack); | |
173 | stack->data = (gpointer) vik_aggregate_layer_get_children(VIK_AGGREGATE_LAYER(current_layer)); | |
174 | } | |
175 | else if ( current_layer->type == VIK_LAYER_GPS && !vik_gps_layer_is_empty(VIK_GPS_LAYER(current_layer)) ) | |
176 | { | |
177 | push(&stack); | |
178 | stack->data = (gpointer) vik_gps_layer_get_children(VIK_GPS_LAYER(current_layer)); | |
179 | } | |
180 | else | |
181 | { | |
182 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
183 | fprintf ( f, "~EndLayer\n\n" ); | |
184 | while ( stack && (!stack->data) ) | |
185 | { | |
186 | pop(&stack); | |
187 | if ( stack ) | |
188 | { | |
189 | stack->data = (gpointer) ((GList *)stack->data)->next; | |
190 | fprintf ( f, "~EndLayer\n\n" ); | |
191 | } | |
192 | } | |
193 | } | |
194 | } | |
195 | /* | |
196 | get vikaggregatelayer's children (?) | |
197 | foreach write ALL params, | |
198 | then layer data (IF function exists) | |
199 | then endlayer | |
200 | ||
201 | impl: | |
202 | stack of layers (LIST) we are working on | |
203 | when layer->next == NULL ... | |
204 | we move on. | |
205 | */ | |
206 | } | |
207 | ||
208 | static void file_read ( VikAggregateLayer *top, FILE *f, gpointer vp ) | |
209 | { | |
210 | Stack *stack; | |
211 | struct LatLon ll = { 0.0, 0.0 }; | |
212 | gchar buffer[4096]; | |
213 | gchar *line; | |
214 | guint16 len; | |
215 | long line_num = 0; | |
216 | ||
217 | VikLayerParam *params; /* for current layer, so we don't have to keep on looking up interface */ | |
218 | guint8 params_count; | |
219 | ||
220 | push(&stack); | |
221 | stack->under = NULL; | |
222 | stack->data = (gpointer) top; | |
223 | ||
224 | while ( fgets ( buffer, 4096, f ) ) | |
225 | { | |
226 | line_num++; | |
227 | ||
228 | line = buffer; | |
229 | while ( *line == ' ' || *line =='\t' ) | |
230 | line++; | |
231 | ||
232 | if ( line[0] == '#' ) | |
233 | continue; | |
234 | ||
235 | ||
236 | len = strlen(line); | |
237 | if ( len > 0 && line[len-1] == '\n' ) | |
238 | line[--len] = '\0'; | |
239 | if ( len > 0 && line[len-1] == '\r' ) | |
240 | line[--len] = '\0'; | |
241 | ||
242 | if ( len == 0 ) | |
243 | continue; | |
244 | ||
245 | ||
246 | if ( line[0] == '~' ) | |
247 | { | |
248 | line++; len--; | |
249 | if ( *line == '\0' ) | |
250 | continue; | |
251 | else if ( str_starts_with ( line, "Layer ", 6, TRUE ) ) | |
252 | { | |
253 | int parent_type = VIK_LAYER(stack->data)->type; | |
254 | if ( ( ! stack->data ) || ((parent_type != VIK_LAYER_AGGREGATE) && (parent_type != VIK_LAYER_GPS)) ) | |
255 | { | |
256 | g_warning ( "Line %ld: Layer command inside non-Aggregate Layer (type %d)", line_num, parent_type ); | |
257 | push(&stack); /* inside INVALID layer */ | |
258 | stack->data = NULL; | |
259 | continue; | |
260 | } | |
261 | else | |
262 | { | |
263 | gint16 type = layer_type_from_string ( line+6 ); | |
264 | push(&stack); | |
265 | if ( type == -1 ) | |
266 | { | |
267 | g_warning ( "Line %ld: Unknown type %s\n", line_num, line+6 ); | |
268 | stack->data = NULL; | |
269 | } | |
270 | else if (parent_type == VIK_LAYER_GPS) | |
271 | { | |
272 | stack->data = (gpointer) vik_gps_layer_get_a_child(VIK_GPS_LAYER(stack->under->data)); | |
273 | params = vik_layer_get_interface(type)->params; | |
274 | params_count = vik_layer_get_interface(type)->params_count; | |
275 | } | |
276 | else | |
277 | { | |
278 | stack->data = (gpointer) vik_layer_create ( type, vp, NULL, FALSE ); | |
279 | params = vik_layer_get_interface(type)->params; | |
280 | params_count = vik_layer_get_interface(type)->params_count; | |
281 | } | |
282 | } | |
283 | } | |
284 | else if ( str_starts_with ( line, "EndLayer", 8, FALSE ) ) | |
285 | { | |
286 | if ( stack->under == NULL ) | |
287 | g_warning ( "Line %ld: Mismatched ~EndLayer command", line_num ); | |
288 | else | |
289 | { | |
290 | if ( stack->data && stack->under->data ) | |
291 | { | |
292 | if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_AGGREGATE) { | |
293 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
294 | vik_layer_post_read ( VIK_LAYER(stack->data), vp ); | |
295 | } | |
296 | else if (VIK_LAYER(stack->under->data)->type == VIK_LAYER_GPS) { | |
297 | /* TODO: anything else needs to be done here ? */ | |
298 | } | |
299 | else | |
300 | g_warning ( "Line %ld: EndLayer command inside non-Aggregate Layer (type %d)", line_num, VIK_LAYER(stack->data)->type ); | |
301 | } | |
302 | pop(&stack); | |
303 | } | |
304 | } | |
305 | else if ( str_starts_with ( line, "LayerData", 9, FALSE ) ) | |
306 | { | |
307 | if ( stack->data && vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ) | |
308 | vik_layer_get_interface(VIK_LAYER(stack->data)->type)->read_file_data ( VIK_LAYER(stack->data), f ); | |
309 | /* must read until hits ~EndLayerData */ | |
310 | ||
311 | else | |
312 | { /* simply skip layer data over */ | |
313 | while ( fgets ( buffer, 4096, f ) ) | |
314 | { | |
315 | line_num++; | |
316 | ||
317 | line = buffer; | |
318 | ||
319 | len = strlen(line); | |
320 | if ( len > 0 && line[len-1] == '\n' ) | |
321 | line[--len] = '\0'; | |
322 | if ( len > 0 && line[len-1] == '\r' ) | |
323 | line[--len] = '\0'; | |
324 | if ( strcasecmp ( line, "~EndLayerData" ) == 0 ) | |
325 | break; | |
326 | } | |
327 | continue; | |
328 | } | |
329 | } | |
330 | else | |
331 | { | |
332 | g_warning ( "Line %ld: Unknown tilde command", line_num ); | |
333 | } | |
334 | } | |
335 | else | |
336 | { | |
337 | gint32 eq_pos = -1; | |
338 | guint16 i; | |
339 | if ( ! stack->data ) | |
340 | continue; | |
341 | ||
342 | for ( i = 0; i < len; i++ ) | |
343 | if ( line[i] == '=' ) | |
344 | eq_pos = i; | |
345 | ||
346 | if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "xmpp", eq_pos ) == 0) /* "hard coded" params: global & for all layer-types */ | |
347 | vik_viewport_set_xmpp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
348 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "ympp", eq_pos ) == 0) | |
349 | vik_viewport_set_ympp ( VIK_VIEWPORT(vp), strtod ( line+5, NULL ) ); | |
350 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lat", eq_pos ) == 0 ) | |
351 | ll.lat = strtod ( line+4, NULL ); | |
352 | else if ( stack->under == NULL && eq_pos == 3 && strncasecmp ( line, "lon", eq_pos ) == 0 ) | |
353 | ll.lon = strtod ( line+4, NULL ); | |
354 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "utm" ) == 0) | |
355 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_UTM); | |
356 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "expedia" ) == 0) | |
357 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_EXPEDIA ); | |
358 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "google" ) == 0) | |
359 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_GOOGLE ); | |
360 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "kh" ) == 0) | |
361 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_KH ); | |
362 | else if ( stack->under == NULL && eq_pos == 4 && strncasecmp ( line, "mode", eq_pos ) == 0 && strcasecmp ( line+5, "mercator" ) == 0) | |
363 | vik_viewport_set_drawmode ( VIK_VIEWPORT(vp), VIK_VIEWPORT_DRAWMODE_MERCATOR ); | |
364 | else if ( stack->under == NULL && eq_pos == 5 && strncasecmp ( line, "color", eq_pos ) == 0 ) | |
365 | vik_viewport_set_background_color ( VIK_VIEWPORT(vp), line+6 ); | |
366 | else if ( stack->under == NULL && eq_pos == 9 && strncasecmp ( line, "drawscale", eq_pos ) == 0 ) | |
367 | vik_viewport_set_draw_scale ( VIK_VIEWPORT(vp), TEST_BOOLEAN(line+10) ); | |
368 | else if ( stack->under && eq_pos == 4 && strncasecmp ( line, "name", eq_pos ) == 0 ) | |
369 | vik_layer_rename ( VIK_LAYER(stack->data), line+5 ); | |
370 | else if ( eq_pos == 7 && strncasecmp ( line, "visible", eq_pos ) == 0 ) | |
371 | VIK_LAYER(stack->data)->visible = TEST_BOOLEAN(line+8); | |
372 | else if ( eq_pos != -1 && stack->under ) | |
373 | { | |
374 | gboolean found_match = FALSE; | |
375 | /* go thru layer params. if len == eq_pos && starts_with jazz, set it. */ | |
376 | /* also got to check for name and visible. */ | |
377 | ||
378 | if ( ! params ) | |
379 | { | |
380 | g_warning ( "Line %ld: No options for this kind of layer", line_num ); | |
381 | continue; | |
382 | } | |
383 | ||
384 | for ( i = 0; i < params_count; i++ ) | |
385 | if ( strlen(params[i].name) == eq_pos && strncasecmp ( line, params[i].name, eq_pos ) == 0 ) | |
386 | { | |
387 | VikLayerParamData x; | |
388 | line += eq_pos+1; | |
389 | switch ( params[i].type ) | |
390 | { | |
391 | case VIK_LAYER_PARAM_DOUBLE: x.d = strtod(line, NULL); break; | |
392 | case VIK_LAYER_PARAM_UINT: x.u = strtoul(line, NULL, 10); break; | |
393 | case VIK_LAYER_PARAM_INT: x.i = strtol(line, NULL, 10); break; | |
394 | case VIK_LAYER_PARAM_BOOLEAN: x.b = TEST_BOOLEAN(line); break; | |
395 | case VIK_LAYER_PARAM_COLOR: memset(&(x.c), 0, sizeof(x.c)); /* default: black */ | |
396 | gdk_color_parse ( line, &(x.c) ); break; | |
397 | default: x.s = line; | |
398 | } | |
399 | vik_layer_set_param ( VIK_LAYER(stack->data), i, x, vp ); | |
400 | found_match = TRUE; | |
401 | break; | |
402 | } | |
403 | if ( ! found_match ) | |
404 | g_warning ( "Line %ld: Unknown parameter. Line:\n%s", line_num, line ); | |
405 | } | |
406 | else | |
407 | g_warning ( "Line %ld: Invalid parameter or parameter outside of layer.", line_num ); | |
408 | } | |
409 | /* could be: | |
410 | [Layer Type=Bla] | |
411 | [EndLayer] | |
412 | [LayerData] | |
413 | name=this | |
414 | #comment | |
415 | */ | |
416 | } | |
417 | ||
418 | while ( stack ) | |
419 | { | |
420 | if ( stack->under && stack->under->data && stack->data ) | |
421 | { | |
422 | vik_aggregate_layer_add_layer ( VIK_AGGREGATE_LAYER(stack->under->data), VIK_LAYER(stack->data) ); | |
423 | vik_layer_post_read ( VIK_LAYER(stack->data), vp ); | |
424 | } | |
425 | pop(&stack); | |
426 | } | |
427 | ||
428 | if ( ll.lat != 0.0 || ll.lon != 0.0 ) | |
429 | vik_viewport_set_center_latlon ( VIK_VIEWPORT(vp), &ll ); | |
430 | ||
431 | if ( ( ! VIK_LAYER(top)->visible ) && VIK_LAYER(top)->realized ) | |
432 | vik_treeview_item_set_visible ( VIK_LAYER(top)->vt, &(VIK_LAYER(top)->iter), FALSE ); | |
433 | } | |
434 | ||
435 | /* | |
436 | read thru file | |
437 | if "[Layer Type=" | |
438 | push(&stack) | |
439 | new default layer of type (str_to_type) (check interface->name) | |
440 | if "[EndLayer]" | |
441 | VikLayer *vl = stack->data; | |
442 | pop(&stack); | |
443 | vik_aggregate_layer_add_layer(stack->data, vl); | |
444 | if "[LayerData]" | |
445 | vik_layer_data ( VIK_LAYER_DATA(stack->data), f, vp ); | |
446 | ||
447 | */ | |
448 | ||
449 | /* ---------------------------------------------------- */ | |
450 | ||
451 | static FILE *xfopen ( const char *fn, const char *mode ) | |
452 | { | |
453 | if ( strcmp(fn,"-") == 0 ) | |
454 | return stdin; | |
455 | else | |
456 | return fopen(fn, "r"); | |
457 | } | |
458 | ||
459 | static void xfclose ( FILE *f ) | |
460 | { | |
461 | if ( f != stdin && f != stdout ) | |
462 | fclose ( f ); | |
463 | } | |
464 | ||
465 | /* 0 on failure, 1 on success (vik file) 2 on success (other file) */ | |
466 | gshort a_file_load ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) | |
467 | { | |
468 | FILE *f = xfopen ( filename, "r" ); | |
469 | ||
470 | g_assert ( vp ); | |
471 | ||
472 | if ( ! f ) | |
473 | return 0; | |
474 | ||
475 | if ( check_magic ( f, VIK_MAGIC ) ) | |
476 | { | |
477 | file_read ( top, f, vp ); | |
478 | if ( f != stdin ) | |
479 | xfclose(f); | |
480 | return 1; | |
481 | } | |
482 | else | |
483 | { | |
484 | VikCoord new_center; | |
485 | VikLayer *vtl = vik_layer_create ( VIK_LAYER_TRW, vp, NULL, FALSE ); | |
486 | vik_layer_rename ( vtl, a_file_basename ( filename ) ); | |
487 | ||
488 | if ( check_magic ( f, GPX_MAGIC ) ) | |
489 | a_gpx_read_file ( VIK_TRW_LAYER(vtl), f ); | |
490 | else | |
491 | a_gpspoint_read_file ( VIK_TRW_LAYER(vtl), f ); | |
492 | ||
493 | vik_layer_post_read ( vtl, vp ); | |
494 | ||
495 | vik_aggregate_layer_add_layer ( top, vtl ); | |
496 | ||
497 | if ( vik_trw_layer_find_center ( VIK_TRW_LAYER(vtl), &new_center ) ) | |
498 | vik_viewport_set_center_coord ( VIK_VIEWPORT(vp), &new_center ); | |
499 | xfclose(f); | |
500 | return 2; | |
501 | } | |
502 | } | |
503 | ||
504 | gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename ) | |
505 | { | |
506 | FILE *f = fopen(filename, "w"); | |
507 | ||
508 | if ( ! f ) | |
509 | return FALSE; | |
510 | ||
511 | file_write ( top, f, vp ); | |
512 | ||
513 | fclose(f); | |
514 | ||
515 | return TRUE; | |
516 | } | |
517 | ||
518 | ||
519 | const gchar *a_file_basename ( const gchar *filename ) | |
520 | { | |
521 | const gchar *t = filename + strlen(filename) - 1; | |
522 | while ( --t > filename ) | |
523 | if ( *(t-1) == FILE_SEP ) | |
524 | break; | |
525 | if ( t >= filename ) | |
526 | return t; | |
527 | return filename; | |
528 | } | |
529 | ||
530 | gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, gshort file_type ) | |
531 | { | |
532 | FILE *f = fopen ( filename, "w" ); | |
533 | if ( f ) | |
534 | { | |
535 | if ( file_type == FILE_TYPE_GPSMAPPER ) | |
536 | a_gpsmapper_write_file ( vtl, f ); | |
537 | else if ( file_type == FILE_TYPE_GPX ) | |
538 | a_gpx_write_file ( vtl, f ); | |
539 | else | |
540 | a_gpspoint_write_file ( vtl, f ); | |
541 | fclose ( f ); | |
542 | return TRUE; | |
543 | } | |
544 | return FALSE; | |
545 | } |