Support gps coordinates for the location info

[ext/subsurface.git] / save-xml.c

diff --git a/save-xml.c b/save-xml.c
index 42bd17e9faae65228fe6f759405c2e4da6731e91..e64b380a48076ccbee46a0f7075b14c93675133f 100644 (file)
--- a/save-xml.c
+++ b/save-xml.c
@@ -147,12 +147,39 @@ static void save_temperatures(FILE *f, struct dive *dive)
        fputs(" />\n", f);
 }
 
+static void show_location(FILE *f, struct dive *dive)
+{
+       char buffer[80];
+       const char *prefix = "  <location>";
+       double latitude = dive->latitude;
+       double longitude = dive->longitude;
+
+       /*
+        * Ok, theoretically I guess you could dive at
+        * exactly 0,0. But we don't support that. So
+        * if you do, just fudge it a bit, and say that
+        * you dove a few meters away.
+        */
+       if (latitude || longitude) {
+               int len = snprintf(buffer, sizeof(buffer)-4,
+                       "  <location gps='%f %f'>",
+                       latitude, longitude);
+               if (!dive->location) {
+                       memcpy(&buffer[len-1], "/>\n", 4);
+                       fputs(buffer, f);
+                       return;
+               }
+               prefix = buffer;
+       }
+       show_utf8(f, dive->location, prefix,"</location>\n");
+}
+
 static void save_overview(FILE *f, struct dive *dive)
 {
        save_depths(f, dive);
        save_temperatures(f, dive);
        show_duration(f, dive->surfacetime, "  <surfacetime>", "</surfacetime>\n");
-       show_utf8(f, dive->location, "  <location>","</location>\n");
+       show_location(f, dive);
        show_utf8(f, dive->divemaster, "  <divemaster>","</divemaster>\n");
        show_utf8(f, dive->buddy, "  <buddy>","</buddy>\n");
        show_utf8(f, dive->notes, "  <notes>","</notes>\n");