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25
26 // This program shows basic ProcessUpdate() with <Change>.
27
28 #include <iostream>
29 #include "kml/convenience/convenience.h"
30 #include "kml/dom.h"
31 #include "kml/engine.h"
32
33 using kmldom::ChangePtr;
34 using kmldom::FolderPtr;
35 using kmldom::KmlFactory;
36 using kmldom::KmlPtr;
37 using kmldom::PlacemarkPtr;
38 using kmldom::UpdatePtr;
39 using kmlengine::KmlFile;
40 using kmlengine::KmlFilePtr;
41
HelloUpdateChange()42 static void HelloUpdateChange() {
43 // This is the same KML as in the kmlfile.cc example.
44 KmlFactory* kml_factory = KmlFactory::GetFactory();
45 FolderPtr folder = kml_factory->CreateFolder();
46 folder->set_id("f0");
47 folder->set_name("Folder 0");
48 PlacemarkPtr placemark = kml_factory->CreatePlacemark();
49 placemark->set_id("pm0");
50 placemark->set_name("Placemark 0");
51 folder->add_feature(placemark);
52 placemark = kml_factory->CreatePlacemark();
53 placemark->set_id("pm1");
54 placemark->set_name("Placemark 1");
55 folder->add_feature(placemark);
56 KmlPtr kml = kml_factory->CreateKml();
57 kml->set_feature(folder);
58
59 // Importing to a KmlFile creates an internal database of object id mappings.
60 KmlFilePtr kml_file = KmlFile::CreateFromImport(kml);
61
62 ChangePtr change = kml_factory->CreateChange();
63 placemark = kmlconvenience::CreatePointPlacemark("new name", 38, -120);
64 placemark->set_targetid("pm0");
65 change->add_object(placemark);
66 UpdatePtr update = kml_factory->CreateUpdate();
67 update->add_updateoperation(change);
68
69 kmlengine::ProcessUpdate(update, kml_file);
70
71 std::string xml;
72 kml_file->SerializeToString(&xml);
73 std::cout << xml;
74 }
75
main(int argc,char ** argv)76 int main(int argc, char** argv) {
77 HelloUpdateChange();
78 return 0;
79 }
80