core: move dive_[has|get]_gps_location() to struct dive

Feel natural in a C++ code base.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>

commands/command_edit.cpp

@@ -381,7 +381,7 @@ static struct dive_site *createDiveSite(const std::string &name)
 
 	// If the current dive has a location, use that as location for the new dive site
 	if (current_dive) {
-		location_t loc = dive_get_gps_location(current_dive);
+		location_t loc = current_dive->get_gps_location();
 		if (has_location(&loc))
 			ds->location = loc;
 	}

core/dive.cpp

@@ -2538,20 +2538,18 @@ bool dive_site_has_gps_location(const struct dive_site *ds)
 	return ds && has_location(&ds->location);
 }
 
-int dive_has_gps_location(const struct dive *dive)
+bool dive::dive_has_gps_location() const
 {
-	if (!dive)
-		return false;
-	return dive_site_has_gps_location(dive->dive_site);
+	return dive_site && dive_site_has_gps_location(dive_site);
 }
 
 /* Extract GPS location of a dive computer stored in the GPS1
  * or GPS2 extra data fields */
-static location_t dc_get_gps_location(const struct divecomputer *dc)
+static location_t dc_get_gps_location(const struct divecomputer &dc)
 {
 	location_t res;
 
-	for (const auto &data: dc->extra_data) {
+	for (const auto &data: dc.extra_data) {
 		if (data.key == "GPS1") {
 			parse_location(data.value.c_str(), &res);
 			/* If we found a valid GPS1 field exit early since
@@ -2573,10 +2571,10 @@ static location_t dc_get_gps_location(const struct divecomputer *dc)
  * This function is potentially slow, therefore only call sparingly
  * and remember the result.
  */
-location_t dive_get_gps_location(const struct dive *d)
+location_t dive::get_gps_location() const
 {
-	for (const struct divecomputer &dc: d->dcs) {
-		location_t res = dc_get_gps_location(&dc);
+	for (const struct divecomputer &dc: dcs) {
+		location_t res = dc_get_gps_location(dc);
 		if (has_location(&res))
 			return res;
 	}
@@ -2584,10 +2582,7 @@ location_t dive_get_gps_location(const struct dive *d)
 	/* No libdivecomputer generated GPS data found.
 	 * Let's use the location of the current dive site.
 	 */
-	if (d->dive_site)
-		return d->dive_site->location;
-
-	return location_t();
+	return dive_site ? dive_site->location : location_t();
 }
 
 gasmix_loop::gasmix_loop(const struct dive &d, const struct divecomputer &dc) :

core/dive.h

@@ -118,6 +118,9 @@ struct dive {
 	depth_t gas_mod(struct gasmix mix, pressure_t po2_limit, int roundto) const;
 	depth_t gas_mnd(struct gasmix mix, depth_t end, int roundto) const;
 
+	bool dive_has_gps_location() const;
+	location_t get_gps_location() const;
+
 	/* Don't call directly, use dive_table::merge_dives()! */
 	static std::unique_ptr<dive> create_merged_dive(const struct dive &a, const struct dive &b, int offset, bool prefer_downloaded);
 };
@@ -166,8 +169,6 @@ extern const struct divecomputer *get_dive_dc(const struct dive *dive, int nr);
 extern std::unique_ptr<dive> clone_make_first_dc(const struct dive &d, int dc_number);
 
 extern bool dive_site_has_gps_location(const struct dive_site *ds);
-extern int dive_has_gps_location(const struct dive *dive);
-extern location_t dive_get_gps_location(const struct dive *d);
 
 extern bool time_during_dive_with_offset(const struct dive *dive, timestamp_t when, timestamp_t offset);
 

core/divesite.cpp

@@ -60,7 +60,7 @@ dive_site *dive_site_table::get_by_gps_proximity(location_t loc, int distance) c
 	struct dive_site *res = nullptr;
 	unsigned int cur_distance, min_distance = distance;
 	for (const auto &ds: *this) {
-		if (dive_site_has_gps_location(ds.get()) &&
+		if (ds->has_gps_location() &&
 		    (cur_distance = get_distance(ds->location, loc)) < min_distance) {
 			min_distance = cur_distance;
 			res = ds.get();

core/parse-xml.cpp

@@ -1207,7 +1207,7 @@ static void gps_in_dive(const char *buffer, struct dive *dive, struct parser_sta
 		}
 		ds->add_dive(dive);
 	} else {
-		if (dive_site_has_gps_location(ds) &&
+		if (ds->has_gps_location() &&
 		    has_location(&location) && ds->location != location) {
 			// Houston, we have a problem
 			report_info("dive site uuid in dive, but gps location (%10.6f/%10.6f) different from dive location (%10.6f/%10.6f)",

desktop-widgets/locationinformation.cpp

@@ -667,7 +667,7 @@ void DiveLocationLineEdit::setCurrentDiveSite(struct dive *d)
 	location_t currentLocation;
 	if (d) {
 		currDs = get_dive_site_for_dive(d);
-		currentLocation = dive_get_gps_location(d);
+		currentLocation = d->get_gps_location();
 	} else {
 		currDs = nullptr;
 	}

qt-models/divetripmodel.cpp

@@ -371,7 +371,7 @@ QVariant DiveTripModelBase::diveData(const struct dive *d, int column, int role)
 		case COUNTRY:
 			return QVariant();
 		case LOCATION:
-			if (dive_has_gps_location(d))
+			if (d->dive_has_gps_location())
 				return getGlobeIcon();
 			break;
 		case PHOTOS: