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2 //
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4 // modification, are permitted provided that the following conditions are met:
5 //
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7 // this list of conditions and the following disclaimer.
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9 // this list of conditions and the following disclaimer in the documentation
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14 //
15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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24 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25
26 // This program makes some basic use of the KML Engine KmlFile class.
27 // KmlFile's GetObjectById() provides an efficient and convenient means to fine
28 // an element by its XML ID.
29
30 #include <iostream>
31 #include "kml/dom.h"
32 #include "kml/engine.h"
33
HelloKmlFile()34 void HelloKmlFile() {
35 const std::string kKml =
36 "<kml xmlns=\"http://www.opengis.net/kml/2.2\">"
37 "<Folder id=\"f0\">"
38 "<name>Folder 0</name>"
39 "<Placemark id=\"pm0\">"
40 "<name>Placemark 0</name>"
41 "</Placemark>"
42 "<Placemark id=\"pm1\">"
43 "<name>Placemark 1</name>"
44 "</Placemark>"
45 "</Folder>"
46 "</kml>";
47
48 // Parsing into a KmlFile creates an internal database of object id mappings.
49 kmlengine::KmlFilePtr kml_file = kmlengine::KmlFile::CreateFromParse(kKml,
50 NULL);
51
52 // Access the 3 Features by their XML Id. Note that GetObjectById() returns
53 // a ObjectPtr, hence the use of the cast to access <name>.
54 kmldom::FolderPtr folder0 = AsFolder(kml_file->GetObjectById("f0"));
55 std::cout << "Folder 0 name: " << folder0->get_name() << std::endl;
56 kmldom::PlacemarkPtr placemark0 = AsPlacemark(kml_file->GetObjectById("pm0"));
57 std::cout << "Placemark 0 name: " << placemark0->get_name() << std::endl;
58 kmldom::PlacemarkPtr placemark1 = AsPlacemark(kml_file->GetObjectById("pm1"));
59 std::cout << "Placemark 1 name: " << placemark1->get_name() << std::endl;
60 }
61
main(int argc,char ** argv)62 int main(int argc, char** argv) {
63 HelloKmlFile();
64 return 0;
65 }
66