/**
* val_analyse_item_maybe:
* @vtlist: A track and the associated layer to consider for analysis
* @data: Whether to include invisible items
*
* Analyse this particular track
* considering whether it should be included depending on it's visibility
*/
static void val_analyse_item_maybe ( vik_trw_track_list_t *vtlist, const gpointer data )
{
gboolean include_invisible = GPOINTER_TO_INT(data);
VikTrack *trk = vtlist->trk;
VikTrwLayer *vtl = vtlist->vtl;
// Safety first - items shouldn't be deleted...
if ( !IS_VIK_TRW_LAYER(vtl) ) return;
if ( !trk ) return;
if ( !include_invisible ) {
// Skip invisible layers or sublayers
if ( !VIK_LAYER(vtl)->visible ||
(trk->is_route && !vik_trw_layer_get_routes_visibility(vtl)) ||
(!trk->is_route && !vik_trw_layer_get_tracks_visibility(vtl)) )
return;
// Skip invisible tracks
if ( !trk->visible )
return;
}
val_analyse_track ( trk );
}
void a_gpx_write_file ( VikTrwLayer *vtl, FILE *f, GpxWritingOptions *options )
{
GpxWritingContext context = { options, f };
gpx_write_header ( f );
gchar *tmp;
const gchar *name = vik_layer_get_name(VIK_LAYER(vtl));
if ( name ) {
tmp = entitize ( name );
fprintf ( f, " <name>%s</name>\n", tmp );
g_free ( tmp );
}
VikTRWMetadata *md = vik_trw_layer_get_metadata (vtl);
if ( md ) {
if ( md->author ) {
tmp = entitize ( md->author );
fprintf ( f, " <author>%s</author>\n", tmp );
g_free ( tmp );
}
if ( md->description ) {
tmp = entitize ( md->description );
fprintf ( f, " <desc>%s</desc>\n", tmp );
g_free ( tmp );
}
if ( md->timestamp ) {
tmp = entitize ( md->timestamp );
fprintf ( f, " <time>%s</time>\n", tmp );
g_free ( tmp );
}
if ( md->keywords ) {
tmp = entitize ( md->keywords );
fprintf ( f, " <keywords>%s</keywords>\n", tmp );
g_free ( tmp );
}
}
if ( vik_trw_layer_get_waypoints_visibility(vtl) || (options && options->hidden) ) {
// gather waypoints in a list, then sort
GList *gl = g_hash_table_get_values ( vik_trw_layer_get_waypoints ( vtl ) );
gl = g_list_sort ( gl, gpx_waypoint_compare );
for (GList *iter = g_list_first (gl); iter != NULL; iter = g_list_next (iter)) {
gpx_write_waypoint ( (VikWaypoint*)iter->data, &context );
}
g_list_free ( gl );
}
GList *gl = NULL;
if ( vik_trw_layer_get_tracks_visibility(vtl) || (options && options->hidden) ) {
//gl = g_hash_table_get_values ( vik_trw_layer_get_tracks ( vtl ) );
// Forming the list manually seems to produce one that is more likely to be nearer to the creation order
gpointer key, value;
GHashTableIter ght_iter;
g_hash_table_iter_init ( &ght_iter, vik_trw_layer_get_tracks ( vtl ) );
while ( g_hash_table_iter_next (&ght_iter, &key, &value) ) {
gl = g_list_prepend ( gl ,value );
}
gl = g_list_reverse ( gl );
// Sort method determined by preference
if ( a_vik_get_gpx_export_trk_sort() == VIK_GPX_EXPORT_TRK_SORT_TIME )
gl = g_list_sort ( gl, vik_track_compare_timestamp );
else if ( a_vik_get_gpx_export_trk_sort() == VIK_GPX_EXPORT_TRK_SORT_ALPHA )
gl = g_list_sort ( gl, gpx_track_compare_name );
}
GList *glrte = NULL;
// Routes sorted by name
if ( vik_trw_layer_get_tracks_visibility(vtl) || (options && options->hidden) ) {
glrte = g_hash_table_get_values ( vik_trw_layer_get_routes ( vtl ) );
glrte = g_list_sort ( glrte, gpx_track_compare_name );
}
// g_list_concat doesn't copy memory properly
// so process each list separately
GpxWritingContext context_tmp = context;
GpxWritingOptions opt_tmp = { FALSE, FALSE, FALSE, FALSE };
// Force trackpoints on tracks
if ( !context.options )
context_tmp.options = &opt_tmp;
context_tmp.options->is_route = FALSE;
// Loop around each list and write each one
for (GList *iter = g_list_first (gl); iter != NULL; iter = g_list_next (iter)) {
gpx_write_track ( (VikTrack*)iter->data, &context_tmp );
}
// Routes (to get routepoints)
context_tmp.options->is_route = TRUE;
for (GList *iter = g_list_first (glrte); iter != NULL; iter = g_list_next (iter)) {
gpx_write_track ( (VikTrack*)iter->data, &context_tmp );
}
g_list_free ( gl );
g_list_free ( glrte );
gpx_write_footer ( f );
}
