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// Copyright 2008, Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This program shows basic use of KML Engine KmlFile::CreateFromImport().
// KmlFile's GetObjectById() provides an efficient and convenient means to find
// an element by its XML ID.
#include <iostream>
#include "kml/dom.h"
#include "kml/engine.h"
using kmldom::FolderPtr;
using kmldom::KmlFactory;
using kmldom::KmlPtr;
using kmldom::PlacemarkPtr;
using kmlengine::KmlFile;
using kmlengine::KmlFilePtr;
static void HelloKmlFileCreateFromImport() {
// This is the same KML as in the kmlfile.cc example.
KmlFactory* kml_factory = KmlFactory::GetFactory();
FolderPtr folder = kml_factory->CreateFolder();
folder->set_id("f0");
folder->set_name("Folder 0");
PlacemarkPtr placemark = kml_factory->CreatePlacemark();
placemark->set_id("pm0");
placemark->set_name("Placemark 0");
folder->add_feature(placemark);
placemark = kml_factory->CreatePlacemark();
placemark->set_id("pm1");
placemark->set_name("Placemark 1");
folder->add_feature(placemark);
KmlPtr kml = kml_factory->CreateKml();
kml->set_feature(folder);
// Importing to a KmlFile creates an internal database of object id mappings.
KmlFilePtr kml_file = KmlFile::CreateFromImport(kml);
// Access the 3 Features by their XML Id. Note that GetObjectById() returns
// a ObjectPtr, hence the use of the cast to access <name>.
FolderPtr folder0 = AsFolder(kml_file->GetObjectById("f0"));
std::cout << "Folder 0 name: " << folder0->get_name() << std::endl;
PlacemarkPtr placemark0 = AsPlacemark(kml_file->GetObjectById("pm0"));
std::cout << "Placemark 0 name: " << placemark0->get_name() << std::endl;
PlacemarkPtr placemark1 = AsPlacemark(kml_file->GetObjectById("pm1"));
std::cout << "Placemark 1 name: " << placemark1->get_name() << std::endl;
// KmlFile's serialize defaults to the OGC KML 2.2 XML namespace and adds
// an XML header specifying UTF-8 encoding.
std::string xml;
kml_file->SerializeToString(&xml);
std::cout << xml;
}
int main(int argc, char** argv) {
HelloKmlFileCreateFromImport();
return 0;
}
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