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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * Copyright (C) 2006, Quy Tonthat <qtonthat@gmail.com> | |
6 | * Copyright (C) 2013, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
7 | * Copyright (C) 2015, Rob Norris <rw_norris@hotmail.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | * | |
23 | */ | |
24 | ||
25 | /** | |
26 | * SECTION:babel | |
27 | * @short_description: running external programs and redirecting to TRWLayers. | |
28 | * | |
29 | * GPSBabel may not be necessary for everything, | |
30 | * one can use shell_command option but this will be OS platform specific | |
31 | */ | |
32 | ||
33 | #ifdef HAVE_CONFIG_H | |
34 | #include "config.h" | |
35 | #endif | |
36 | ||
37 | #include "viking.h" | |
38 | #include "gpx.h" | |
39 | #include "babel.h" | |
40 | #include "preferences.h" | |
41 | #include <stdio.h> | |
42 | #ifdef HAVE_UNISTD_H | |
43 | #include <unistd.h> | |
44 | #endif | |
45 | #include <string.h> | |
46 | #include <glib.h> | |
47 | #include <glib/gstdio.h> | |
48 | #include <glib/gi18n.h> | |
49 | ||
50 | /* TODO in the future we could have support for other shells (change command strings), or not use a shell at all */ | |
51 | #define BASH_LOCATION "/bin/bash" | |
52 | ||
53 | /** | |
54 | * Path to gpsbabel | |
55 | */ | |
56 | static gchar *gpsbabel_loc = NULL; | |
57 | ||
58 | /** | |
59 | * Path to unbuffer | |
60 | */ | |
61 | static gchar *unbuffer_loc = NULL; | |
62 | ||
63 | /** | |
64 | * List of file formats supported by gpsbabel. | |
65 | */ | |
66 | GList *a_babel_file_list; | |
67 | ||
68 | /** | |
69 | * List of device supported by gpsbabel. | |
70 | */ | |
71 | GList *a_babel_device_list; | |
72 | ||
73 | /** | |
74 | * Run a function on all file formats supporting a given mode. | |
75 | */ | |
76 | void a_babel_foreach_file_with_mode (BabelMode mode, GFunc func, gpointer user_data) | |
77 | { | |
78 | GList *current; | |
79 | for ( current = g_list_first (a_babel_file_list) ; | |
80 | current != NULL ; | |
81 | current = g_list_next (current) ) | |
82 | { | |
83 | BabelFile *currentFile = current->data; | |
84 | /* Check compatibility of modes */ | |
85 | gboolean compat = TRUE; | |
86 | if (mode.waypointsRead && ! currentFile->mode.waypointsRead) compat = FALSE; | |
87 | if (mode.waypointsWrite && ! currentFile->mode.waypointsWrite) compat = FALSE; | |
88 | if (mode.tracksRead && ! currentFile->mode.tracksRead) compat = FALSE; | |
89 | if (mode.tracksWrite && ! currentFile->mode.tracksWrite) compat = FALSE; | |
90 | if (mode.routesRead && ! currentFile->mode.routesRead) compat = FALSE; | |
91 | if (mode.routesWrite && ! currentFile->mode.routesWrite) compat = FALSE; | |
92 | /* Do call */ | |
93 | if (compat) | |
94 | func (currentFile, user_data); | |
95 | } | |
96 | } | |
97 | ||
98 | /** | |
99 | * a_babel_foreach_file_read_any: | |
100 | * @func: The function to be called on any file format with a read method | |
101 | * @user_data: Data passed into the function | |
102 | * | |
103 | * Run a function on all file formats with any kind of read method | |
104 | * (which is almost all but not quite - e.g. with GPSBabel v1.4.4 - PalmDoc is write only waypoints) | |
105 | */ | |
106 | void a_babel_foreach_file_read_any (GFunc func, gpointer user_data) | |
107 | { | |
108 | GList *current; | |
109 | for ( current = g_list_first (a_babel_file_list) ; | |
110 | current != NULL ; | |
111 | current = g_list_next (current) ) | |
112 | { | |
113 | BabelFile *currentFile = current->data; | |
114 | // Call function when any read mode found | |
115 | if ( currentFile->mode.waypointsRead || | |
116 | currentFile->mode.tracksRead || | |
117 | currentFile->mode.routesRead) | |
118 | func (currentFile, user_data); | |
119 | } | |
120 | } | |
121 | ||
122 | /** | |
123 | * a_babel_convert: | |
124 | * @vt: The TRW layer to modify. All data will be deleted, and replaced by what gpsbabel outputs. | |
125 | * @babelargs: A string containing gpsbabel command line filter options. No file types or names should | |
126 | * be specified. | |
127 | * @cb: A callback function. | |
128 | * @user_data: passed along to cb | |
129 | * @not_used: Must use NULL | |
130 | * | |
131 | * This function modifies data in a trw layer using gpsbabel filters. This routine is synchronous; | |
132 | * that is, it will block the calling program until the conversion is done. To avoid blocking, call | |
133 | * this routine from a worker thread. | |
134 | * | |
135 | * Returns: %TRUE on success | |
136 | */ | |
137 | gboolean a_babel_convert( VikTrwLayer *vt, const char *babelargs, BabelStatusFunc cb, gpointer user_data, gpointer not_used ) | |
138 | { | |
139 | gboolean ret = FALSE; | |
140 | gchar *bargs = g_strconcat(babelargs, " -i gpx", NULL); | |
141 | gchar *name_src = a_gpx_write_tmp_file ( vt, NULL ); | |
142 | ||
143 | if ( name_src ) { | |
144 | ProcessOptions po = { bargs, name_src, NULL, NULL, NULL }; | |
145 | ret = a_babel_convert_from ( vt, &po, cb, user_data, not_used ); | |
146 | (void)g_remove(name_src); | |
147 | g_free(name_src); | |
148 | } | |
149 | ||
150 | g_free(bargs); | |
151 | return ret; | |
152 | } | |
153 | ||
154 | /** | |
155 | * Perform any cleanup actions once GPSBabel has completed running | |
156 | */ | |
157 | static void babel_watch ( GPid pid, | |
158 | gint status, | |
159 | gpointer user_data ) | |
160 | { | |
161 | g_spawn_close_pid ( pid ); | |
162 | } | |
163 | ||
164 | /** | |
165 | * babel_general_convert: | |
166 | * @args: The command line arguments passed to GPSBabel | |
167 | * @cb: callback that is run for each line of GPSBabel output and at completion of the run | |
168 | * callback may be NULL | |
169 | * @user_data: passed along to cb | |
170 | * | |
171 | * The function to actually invoke the GPSBabel external command | |
172 | * | |
173 | * Returns: %TRUE on successful invocation of GPSBabel command | |
174 | */ | |
175 | static gboolean babel_general_convert( BabelStatusFunc cb, gchar **args, gpointer user_data ) | |
176 | { | |
177 | gboolean ret = FALSE; | |
178 | GPid pid; | |
179 | GError *error = NULL; | |
180 | gint babel_stdout; | |
181 | ||
182 | if ( vik_debug ) { | |
183 | (void)g_printf ( "%s:", __FUNCTION__ ); | |
184 | for ( guint i=0; args[i]; i++ ) | |
185 | (void)g_printf ( " %s", args[i] ); | |
186 | (void)g_printf ( "\n" ); | |
187 | } | |
188 | ||
189 | if (!g_spawn_async_with_pipes (NULL, args, NULL, G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL, &babel_stdout, NULL, &error)) { | |
190 | g_warning ("Async command failed: %s", error->message); | |
191 | g_error_free(error); | |
192 | ret = FALSE; | |
193 | } else { | |
194 | ||
195 | gchar line[512]; | |
196 | FILE *diag; | |
197 | diag = fdopen(babel_stdout, "r"); | |
198 | setvbuf(diag, NULL, _IONBF, 0); | |
199 | ||
200 | while (fgets(line, sizeof(line), diag)) { | |
201 | if ( cb ) | |
202 | cb(BABEL_DIAG_OUTPUT, line, user_data); | |
203 | } | |
204 | if ( cb ) | |
205 | cb(BABEL_DONE, NULL, user_data); | |
206 | fclose(diag); | |
207 | diag = NULL; | |
208 | ||
209 | g_child_watch_add ( pid, (GChildWatchFunc) babel_watch, NULL ); | |
210 | ||
211 | // Useful to see in case of any errors, | |
212 | // although they don't always occur on the last line output | |
213 | g_debug ( "%s: last received line is=\"%s\"", __FUNCTION__, line ); | |
214 | ret = TRUE; | |
215 | } | |
216 | ||
217 | return ret; | |
218 | } | |
219 | ||
220 | /** | |
221 | * babel_general_convert_from: | |
222 | * @vtl: The TrackWaypoint Layer to save the data into | |
223 | * If it is null it signifies that no data is to be processed, | |
224 | * however the gpsbabel command is still ran as it can be for non-data related options eg: | |
225 | * for use with the power off command - 'command_off' | |
226 | * @cb: callback that is run upon new data from STDOUT (?) | |
227 | * (TODO: STDERR would be nice since we usually redirect STDOUT) | |
228 | * @user_data: passed along to cb | |
229 | * | |
230 | * Runs args[0] with the arguments and uses the GPX module | |
231 | * to import the GPX data into layer vt. Assumes that upon | |
232 | * running the command, the data will appear in the (usually | |
233 | * temporary) file name_dst. | |
234 | * | |
235 | * Returns: %TRUE on success | |
236 | */ | |
237 | static gboolean babel_general_convert_from( VikTrwLayer *vt, BabelStatusFunc cb, gchar **args, const gchar *name_dst, gpointer user_data ) | |
238 | { | |
239 | gboolean ret = FALSE; | |
240 | FILE *f = NULL; | |
241 | ||
242 | if (babel_general_convert(cb, args, user_data)) { | |
243 | ||
244 | /* No data actually required but still need to have run gpsbabel anyway | |
245 | - eg using the device power command_off */ | |
246 | if ( vt == NULL ) | |
247 | return TRUE; | |
248 | ||
249 | f = g_fopen(name_dst, "r"); | |
250 | if (f) { | |
251 | ret = a_gpx_read_file ( vt, f ); | |
252 | fclose(f); | |
253 | f = NULL; | |
254 | } | |
255 | } | |
256 | ||
257 | return ret; | |
258 | } | |
259 | ||
260 | /** | |
261 | * a_babel_convert_from_filter: | |
262 | * @vt: The TRW layer to place data into. Duplicate items will be overwritten. | |
263 | * @babelargs: A string containing gpsbabel command line options. This string | |
264 | * must include the input file type (-i) option. | |
265 | * @from the file name to convert from | |
266 | * @babelfilters: A string containing gpsbabel filter command line options | |
267 | * @cb: Optional callback function. Same usage as in a_babel_convert(). | |
268 | * @user_data: passed along to cb | |
269 | * @not_used: Must use NULL | |
270 | * | |
271 | * Loads data into a trw layer from a file, using gpsbabel. This routine is synchronous; | |
272 | * that is, it will block the calling program until the conversion is done. To avoid blocking, call | |
273 | * this routine from a worker thread. | |
274 | * | |
275 | * Returns: %TRUE on success | |
276 | */ | |
277 | gboolean a_babel_convert_from_filter( VikTrwLayer *vt, const char *babelargs, const char *from, const char *babelfilters, BabelStatusFunc cb, gpointer user_data, gpointer not_used ) | |
278 | { | |
279 | int i,j; | |
280 | int fd_dst; | |
281 | gchar *name_dst = NULL; | |
282 | gboolean ret = FALSE; | |
283 | gchar *args[64]; | |
284 | ||
285 | if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) >= 0) { | |
286 | g_debug ("%s: temporary file: %s", __FUNCTION__, name_dst); | |
287 | close(fd_dst); | |
288 | ||
289 | if (gpsbabel_loc ) { | |
290 | gchar **sub_args = g_strsplit(babelargs, " ", 0); | |
291 | gchar **sub_filters = NULL; | |
292 | ||
293 | i = 0; | |
294 | if (unbuffer_loc) | |
295 | args[i++] = unbuffer_loc; | |
296 | args[i++] = gpsbabel_loc; | |
297 | for (j = 0; sub_args[j]; j++) { | |
298 | /* some version of gpsbabel can not take extra blank arg */ | |
299 | if (sub_args[j][0] != '\0') | |
300 | args[i++] = sub_args[j]; | |
301 | } | |
302 | args[i++] = "-f"; | |
303 | args[i++] = (char *)from; | |
304 | if (babelfilters) { | |
305 | sub_filters = g_strsplit(babelfilters, " ", 0); | |
306 | for (j = 0; sub_filters[j]; j++) { | |
307 | /* some version of gpsbabel can not take extra blank arg */ | |
308 | if (sub_filters[j][0] != '\0') | |
309 | args[i++] = sub_filters[j]; | |
310 | } | |
311 | } | |
312 | args[i++] = "-o"; | |
313 | args[i++] = "gpx"; | |
314 | args[i++] = "-F"; | |
315 | args[i++] = name_dst; | |
316 | args[i] = NULL; | |
317 | ||
318 | ret = babel_general_convert_from ( vt, cb, args, name_dst, user_data ); | |
319 | ||
320 | g_strfreev(sub_args); | |
321 | if (sub_filters) | |
322 | g_strfreev(sub_filters); | |
323 | } else | |
324 | g_critical("gpsbabel not found in PATH"); | |
325 | (void)g_remove(name_dst); | |
326 | g_free(name_dst); | |
327 | } | |
328 | ||
329 | return ret; | |
330 | } | |
331 | ||
332 | /** | |
333 | * a_babel_convert_from_shellcommand: | |
334 | * @vt: The #VikTrwLayer where to insert the collected data | |
335 | * @input_cmd: the command to run | |
336 | * @input_file_type: | |
337 | * @cb: Optional callback function. Same usage as in a_babel_convert(). | |
338 | * @user_data: passed along to cb | |
339 | * @not_used: Must use NULL | |
340 | * | |
341 | * Runs the input command in a shell (bash) and optionally uses GPSBabel to convert from input_file_type. | |
342 | * If input_file_type is %NULL, doesn't use GPSBabel. Input must be GPX (or Geocaching *.loc) | |
343 | * | |
344 | * Uses babel_general_convert_from() to actually run the command. This function | |
345 | * prepares the command and temporary file, and sets up the arguments for bash. | |
346 | */ | |
347 | gboolean a_babel_convert_from_shellcommand ( VikTrwLayer *vt, const char *input_cmd, const char *input_file_type, BabelStatusFunc cb, gpointer user_data, gpointer not_used ) | |
348 | { | |
349 | int fd_dst; | |
350 | gchar *name_dst = NULL; | |
351 | gboolean ret = FALSE; | |
352 | gchar **args; | |
353 | ||
354 | if ((fd_dst = g_file_open_tmp("tmp-viking.XXXXXX", &name_dst, NULL)) >= 0) { | |
355 | g_debug ("%s: temporary file: %s", __FUNCTION__, name_dst); | |
356 | gchar *shell_command; | |
357 | if ( input_file_type ) | |
358 | shell_command = g_strdup_printf("%s | %s -i %s -f - -o gpx -F %s", | |
359 | input_cmd, gpsbabel_loc, input_file_type, name_dst); | |
360 | else | |
361 | shell_command = g_strdup_printf("%s > %s", input_cmd, name_dst); | |
362 | ||
363 | g_debug("%s: %s", __FUNCTION__, shell_command); | |
364 | close(fd_dst); | |
365 | ||
366 | args = g_malloc(sizeof(gchar *)*4); | |
367 | args[0] = BASH_LOCATION; | |
368 | args[1] = "-c"; | |
369 | args[2] = shell_command; | |
370 | args[3] = NULL; | |
371 | ||
372 | ret = babel_general_convert_from ( vt, cb, args, name_dst, user_data ); | |
373 | g_free ( args ); | |
374 | g_free ( shell_command ); | |
375 | (void)g_remove(name_dst); | |
376 | g_free(name_dst); | |
377 | } | |
378 | ||
379 | return ret; | |
380 | } | |
381 | ||
382 | /** | |
383 | * a_babel_convert_from_url_filter: | |
384 | * @vt: The #VikTrwLayer where to insert the collected data | |
385 | * @url: the URL to fetch | |
386 | * @input_type: If input_type is %NULL, input must be GPX. | |
387 | * @babelfilters: The filter arguments to pass to gpsbabel | |
388 | * @cb: Optional callback function. Same usage as in a_babel_convert(). | |
389 | * @user_data: Passed along to cb | |
390 | * @options: Download options. If %NULL then default download options will be used. | |
391 | * | |
392 | * Download the file pointed by the URL and optionally uses GPSBabel to convert from input_type. | |
393 | * If input_type and babelfilters are %NULL, gpsbabel is not used. | |
394 | * | |
395 | * Returns: %TRUE on successful invocation of GPSBabel or read of the GPX | |
396 | * | |
397 | */ | |
398 | gboolean a_babel_convert_from_url_filter ( VikTrwLayer *vt, const char *url, const char *input_type, const char *babelfilters, BabelStatusFunc cb, gpointer user_data, DownloadFileOptions *options ) | |
399 | { | |
400 | // If no download options specified, use defaults: | |
401 | DownloadFileOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL }; | |
402 | if ( options ) | |
403 | myoptions = *options; | |
404 | gint fd_src; | |
405 | int fetch_ret; | |
406 | gboolean ret = FALSE; | |
407 | gchar *name_src = NULL; | |
408 | gchar *babelargs = NULL; | |
409 | ||
410 | g_debug("%s: input_type=%s url=%s", __FUNCTION__, input_type, url); | |
411 | ||
412 | if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) { | |
413 | g_debug ("%s: temporary file: %s", __FUNCTION__, name_src); | |
414 | close(fd_src); | |
415 | (void)g_remove(name_src); | |
416 | ||
417 | fetch_ret = a_http_download_get_url(url, "", name_src, &myoptions, NULL); | |
418 | if (fetch_ret == DOWNLOAD_SUCCESS) { | |
419 | if (input_type != NULL || babelfilters != NULL) { | |
420 | babelargs = (input_type) ? g_strdup_printf(" -i %s", input_type) : g_strdup(""); | |
421 | ret = a_babel_convert_from_filter( vt, babelargs, name_src, babelfilters, NULL, NULL, NULL ); | |
422 | } else { | |
423 | /* Process directly the retrieved file */ | |
424 | g_debug("%s: directly read GPX file %s", __FUNCTION__, name_src); | |
425 | FILE *f = g_fopen(name_src, "r"); | |
426 | if (f) { | |
427 | ret = a_gpx_read_file ( vt, f ); | |
428 | fclose(f); | |
429 | f = NULL; | |
430 | } | |
431 | } | |
432 | } | |
433 | (void)util_remove(name_src); | |
434 | g_free(babelargs); | |
435 | g_free(name_src); | |
436 | } | |
437 | ||
438 | return ret; | |
439 | } | |
440 | ||
441 | /** | |
442 | * a_babel_convert_from: | |
443 | * @vt: The TRW layer to place data into. Duplicate items will be overwritten. | |
444 | * @process_options: The options to control the appropriate processing function. See #ProcessOptions for more detail | |
445 | * @cb: Optional callback function. Same usage as in a_babel_convert(). | |
446 | * @user_data: passed along to cb | |
447 | * @download_options: If downloading from a URL use these options (may be NULL) | |
448 | * | |
449 | * Loads data into a trw layer from a file, using gpsbabel. This routine is synchronous; | |
450 | * that is, it will block the calling program until the conversion is done. To avoid blocking, call | |
451 | * this routine from a worker thread. | |
452 | * | |
453 | * Returns: %TRUE on success | |
454 | */ | |
455 | gboolean a_babel_convert_from ( VikTrwLayer *vt, ProcessOptions *process_options, BabelStatusFunc cb, gpointer user_data, DownloadFileOptions *download_options ) | |
456 | { | |
457 | if ( !process_options ) return FALSE; | |
458 | if ( process_options->url ) | |
459 | return a_babel_convert_from_url_filter ( vt, process_options->url, process_options->input_file_type, process_options->babel_filters, cb, user_data, download_options ); | |
460 | if ( process_options->babelargs ) | |
461 | return a_babel_convert_from_filter ( vt, process_options->babelargs, process_options->filename, process_options->babel_filters, cb, user_data, download_options ); | |
462 | if ( process_options->shell_command ) | |
463 | return a_babel_convert_from_shellcommand ( vt, process_options->shell_command, process_options->filename, cb, user_data, download_options ); | |
464 | return FALSE; | |
465 | } | |
466 | ||
467 | static gboolean babel_general_convert_to( VikTrwLayer *vt, VikTrack *trk, BabelStatusFunc cb, gchar **args, const gchar *name_src, gpointer user_data ) | |
468 | { | |
469 | // Now strips out invisible tracks and waypoints | |
470 | if (!a_file_export(vt, name_src, FILE_TYPE_GPX, trk, FALSE)) { | |
471 | g_critical("Error exporting to %s", name_src); | |
472 | return FALSE; | |
473 | } | |
474 | ||
475 | return babel_general_convert (cb, args, user_data); | |
476 | } | |
477 | ||
478 | /** | |
479 | * a_babel_convert_to: | |
480 | * @vt: The TRW layer from which data is taken. | |
481 | * @track: Operate on the individual track if specified. Use NULL when operating on a TRW layer | |
482 | * @babelargs: A string containing gpsbabel command line options. In addition to any filters, this string | |
483 | * must include the input file type (-i) option. | |
484 | * @to: Filename or device the data is written to. | |
485 | * @cb: Optional callback function. Same usage as in a_babel_convert. | |
486 | * @user_data: passed along to cb | |
487 | * | |
488 | * Exports data using gpsbabel. This routine is synchronous; | |
489 | * that is, it will block the calling program until the conversion is done. To avoid blocking, call | |
490 | * this routine from a worker thread. | |
491 | * | |
492 | * Returns: %TRUE on successful invocation of GPSBabel command | |
493 | */ | |
494 | gboolean a_babel_convert_to( VikTrwLayer *vt, VikTrack *track, const char *babelargs, const char *to, BabelStatusFunc cb, gpointer user_data ) | |
495 | { | |
496 | int i,j; | |
497 | int fd_src; | |
498 | gchar *name_src = NULL; | |
499 | gboolean ret = FALSE; | |
500 | gchar *args[64]; | |
501 | ||
502 | if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) { | |
503 | g_debug ("%s: temporary file: %s", __FUNCTION__, name_src); | |
504 | close(fd_src); | |
505 | ||
506 | if (gpsbabel_loc ) { | |
507 | gchar **sub_args = g_strsplit(babelargs, " ", 0); | |
508 | ||
509 | i = 0; | |
510 | if (unbuffer_loc) | |
511 | args[i++] = unbuffer_loc; | |
512 | args[i++] = gpsbabel_loc; | |
513 | args[i++] = "-i"; | |
514 | args[i++] = "gpx"; | |
515 | for (j = 0; sub_args[j]; j++) | |
516 | /* some version of gpsbabel can not take extra blank arg */ | |
517 | if (sub_args[j][0] != '\0') | |
518 | args[i++] = sub_args[j]; | |
519 | args[i++] = "-f"; | |
520 | args[i++] = name_src; | |
521 | args[i++] = "-F"; | |
522 | args[i++] = (char *)to; | |
523 | args[i] = NULL; | |
524 | ||
525 | ret = babel_general_convert_to ( vt, track, cb, args, name_src, user_data ); | |
526 | ||
527 | g_strfreev(sub_args); | |
528 | } else | |
529 | g_critical("gpsbabel not found in PATH"); | |
530 | (void)g_remove(name_src); | |
531 | g_free(name_src); | |
532 | } | |
533 | ||
534 | return ret; | |
535 | } | |
536 | ||
537 | static void set_mode(BabelMode *mode, gchar *smode) | |
538 | { | |
539 | mode->waypointsRead = smode[0] == 'r'; | |
540 | mode->waypointsWrite = smode[1] == 'w'; | |
541 | mode->tracksRead = smode[2] == 'r'; | |
542 | mode->tracksWrite = smode[3] == 'w'; | |
543 | mode->routesRead = smode[4] == 'r'; | |
544 | mode->routesWrite = smode[5] == 'w'; | |
545 | } | |
546 | ||
547 | /** | |
548 | * load_feature_parse_line: | |
549 | * | |
550 | * Load a single feature stored in the given line. | |
551 | */ | |
552 | static void load_feature_parse_line (gchar *line) | |
553 | { | |
554 | gchar **tokens = g_strsplit ( line, "\t", 0 ); | |
555 | if ( tokens != NULL | |
556 | && tokens[0] != NULL ) { | |
557 | if ( strcmp("serial", tokens[0]) == 0 ) { | |
558 | if ( tokens[1] != NULL | |
559 | && tokens[2] != NULL | |
560 | && tokens[3] != NULL | |
561 | && tokens[4] != NULL ) { | |
562 | BabelDevice *device = g_malloc ( sizeof (BabelDevice) ); | |
563 | set_mode (&(device->mode), tokens[1]); | |
564 | device->name = g_strdup (tokens[2]); | |
565 | device->label = g_strndup (tokens[4], 50); // Limit really long label text | |
566 | a_babel_device_list = g_list_append (a_babel_device_list, device); | |
567 | g_debug ("New gpsbabel device: %s, %d%d%d%d%d%d(%s)", | |
568 | device->name, | |
569 | device->mode.waypointsRead, device->mode.waypointsWrite, | |
570 | device->mode.tracksRead, device->mode.tracksWrite, | |
571 | device->mode.routesRead, device->mode.routesWrite, | |
572 | tokens[1]); | |
573 | } else { | |
574 | g_warning ( "Unexpected gpsbabel format string: %s", line); | |
575 | } | |
576 | } else if ( strcmp("file", tokens[0]) == 0 ) { | |
577 | if ( tokens[1] != NULL | |
578 | && tokens[2] != NULL | |
579 | && tokens[3] != NULL | |
580 | && tokens[4] != NULL ) { | |
581 | BabelFile *file = g_malloc ( sizeof (BabelFile) ); | |
582 | set_mode (&(file->mode), tokens[1]); | |
583 | file->name = g_strdup (tokens[2]); | |
584 | file->ext = g_strdup (tokens[3]); | |
585 | file->label = g_strdup (tokens[4]); | |
586 | a_babel_file_list = g_list_append (a_babel_file_list, file); | |
587 | g_debug ("New gpsbabel file: %s, %d%d%d%d%d%d(%s)", | |
588 | file->name, | |
589 | file->mode.waypointsRead, file->mode.waypointsWrite, | |
590 | file->mode.tracksRead, file->mode.tracksWrite, | |
591 | file->mode.routesRead, file->mode.routesWrite, | |
592 | tokens[1]); | |
593 | } else { | |
594 | g_warning ( "Unexpected gpsbabel format string: %s", line); | |
595 | } | |
596 | } /* else: ignore */ | |
597 | } else { | |
598 | g_warning ( "Unexpected gpsbabel format string: %s", line); | |
599 | } | |
600 | g_strfreev ( tokens ); | |
601 | } | |
602 | ||
603 | static void load_feature_cb (BabelProgressCode code, gpointer line, gpointer user_data) | |
604 | { | |
605 | if (line != NULL) | |
606 | load_feature_parse_line (line); | |
607 | } | |
608 | ||
609 | static gboolean load_feature () | |
610 | { | |
611 | int i; | |
612 | gboolean ret = FALSE; | |
613 | gchar *args[4]; | |
614 | ||
615 | if ( gpsbabel_loc ) { | |
616 | i = 0; | |
617 | if ( unbuffer_loc ) | |
618 | args[i++] = unbuffer_loc; | |
619 | args[i++] = gpsbabel_loc; | |
620 | args[i++] = "-^3"; | |
621 | args[i] = NULL; | |
622 | ||
623 | ret = babel_general_convert (load_feature_cb, args, NULL); | |
624 | } else | |
625 | g_critical("gpsbabel not found in PATH"); | |
626 | ||
627 | return ret; | |
628 | } | |
629 | ||
630 | static VikLayerParam prefs[] = { | |
631 | { VIK_LAYER_NUM_TYPES, VIKING_PREFERENCES_IO_NAMESPACE "gpsbabel", VIK_LAYER_PARAM_STRING, VIK_LAYER_GROUP_NONE, N_("GPSBabel:"), VIK_LAYER_WIDGET_FILEENTRY, NULL, NULL, | |
632 | N_("Allow setting the specific instance of GPSBabel. You must restart Viking for this value to take effect."), NULL, NULL, NULL }, | |
633 | }; | |
634 | ||
635 | /** | |
636 | * a_babel_init: | |
637 | * | |
638 | * Just setup preferences first | |
639 | */ | |
640 | void a_babel_init () | |
641 | { | |
642 | // Set the defaults | |
643 | VikLayerParamData vlpd; | |
644 | #ifdef WINDOWS | |
645 | // Basic guesses - could use %ProgramFiles% but this is simpler: | |
646 | if ( g_file_test ( "C:\\Program Files (x86)\\GPSBabel\\gpsbabel.exe", G_FILE_TEST_EXISTS ) ) | |
647 | // 32 bit location on a 64 bit system | |
648 | vlpd.s = "C:\\Program Files (x86)\\GPSBabel\\gpsbabel.exe"; | |
649 | else | |
650 | vlpd.s = "C:\\Program Files\\GPSBabel\\gpsbabel.exe"; | |
651 | #else | |
652 | vlpd.s = "gpsbabel"; | |
653 | #endif | |
654 | a_preferences_register(&prefs[0], vlpd, VIKING_PREFERENCES_IO_GROUP_KEY); | |
655 | } | |
656 | ||
657 | /** | |
658 | * a_babel_post_init: | |
659 | * | |
660 | * Initialises babel module. | |
661 | * Mainly check existence of gpsbabel progam | |
662 | * and load all features available in that version. | |
663 | */ | |
664 | void a_babel_post_init () | |
665 | { | |
666 | // Read the current preference | |
667 | const gchar *gpsbabel = a_preferences_get(VIKING_PREFERENCES_IO_NAMESPACE "gpsbabel")->s; | |
668 | // If setting is still the UNIX default then lookup in the path - otherwise attempt to use the specified value directly. | |
669 | if ( g_strcmp0 ( gpsbabel, "gpsbabel" ) == 0 ) { | |
670 | gpsbabel_loc = g_find_program_in_path( "gpsbabel" ); | |
671 | if ( !gpsbabel_loc ) | |
672 | g_critical( "gpsbabel not found in PATH" ); | |
673 | } | |
674 | else | |
675 | gpsbabel_loc = g_strdup ( gpsbabel ); | |
676 | ||
677 | // Unlikely to package unbuffer on Windows so ATM don't even bother trying | |
678 | // Highly unlikely unbuffer is available on a Windows system otherwise | |
679 | #ifndef WINDOWS | |
680 | unbuffer_loc = g_find_program_in_path( "unbuffer" ); | |
681 | if ( !unbuffer_loc ) | |
682 | g_warning( "unbuffer not found in PATH" ); | |
683 | #endif | |
684 | ||
685 | load_feature (); | |
686 | } | |
687 | ||
688 | /** | |
689 | * a_babel_uninit: | |
690 | * | |
691 | * Free resources acquired by a_babel_init. | |
692 | */ | |
693 | void a_babel_uninit () | |
694 | { | |
695 | g_free ( gpsbabel_loc ); | |
696 | g_free ( unbuffer_loc ); | |
697 | ||
698 | if ( a_babel_file_list ) { | |
699 | GList *gl; | |
700 | for (gl = a_babel_file_list; gl != NULL; gl = g_list_next(gl)) { | |
701 | BabelFile *file = gl->data; | |
702 | g_free ( file->name ); | |
703 | g_free ( file->ext ); | |
704 | g_free ( file->label ); | |
705 | g_free ( gl->data ); | |
706 | } | |
707 | g_list_free ( a_babel_file_list ); | |
708 | } | |
709 | ||
710 | if ( a_babel_device_list ) { | |
711 | GList *gl; | |
712 | for (gl = a_babel_device_list; gl != NULL; gl = g_list_next(gl)) { | |
713 | BabelDevice *device = gl->data; | |
714 | g_free ( device->name ); | |
715 | g_free ( device->label ); | |
716 | g_free ( gl->data ); | |
717 | } | |
718 | g_list_free ( a_babel_device_list ); | |
719 | } | |
720 | ||
721 | } | |
722 | ||
723 | /** | |
724 | * a_babel_available: | |
725 | * | |
726 | * Indicates if babel is available or not. | |
727 | * | |
728 | * Returns: true if babel available | |
729 | */ | |
730 | gboolean a_babel_available () | |
731 | { | |
732 | return a_babel_device_list != NULL; | |
733 | } |