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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.
// An example of coding from/to parse/serialize of enumerations.
// For example <altitudeMode>absolute</altitudeMode>.
#include <assert.h>
#include <iostream>
#include <string>
#include "kml/dom.h"
using kmldom::ElementPtr;
using kmldom::KmlFactory;
using kmldom::LinkPtr;
using kmldom::LookAtPtr;
// Parse KML with enum and verify through the DOM API.
void CheckParseLookAt() {
// Parse some KML with an enum
std::string kml("<LookAt><altitudeMode>absolute</altitudeMode></LookAt>");
ElementPtr root = kmldom::Parse(kml, NULL);
// Verify the parse went fine.
assert(root); // The kml is perfect.
// Verify the root is <LookAt>
const LookAtPtr lookat = kmldom::AsLookAt(root);
assert(lookat);
// Verify the altitudeMode exists and is correct.
assert(lookat->has_altitudemode());
assert(kmldom::ALTITUDEMODE_ABSOLUTE == lookat->get_altitudemode());
}
void CheckParseLink() {
// Parse a Link. These are non-default values.
std::string kml("<Link>"
"<href>foo.kml</href>"
"<refreshMode>onInterval</refreshMode>"
"<viewRefreshMode>onStop</viewRefreshMode>"
"</Link>");
ElementPtr root = kmldom::Parse(kml, NULL); // No error string because...
assert(root); // ...we expect a perfect parse.
// Verify some things.
const LinkPtr link = kmldom::AsLink(root);
assert(true == link->has_refreshmode());
assert(kmldom::REFRESHMODE_ONINTERVAL == link->get_refreshmode());
assert(true == link->has_viewrefreshmode());
assert(kmldom::VIEWREFRESHMODE_ONSTOP == link->get_viewrefreshmode());
}
// Create KML with the DOM API, serialize and verify the output.
void CheckSerializeLookAt() {
// Create a LookAt and set its altitudeMode
KmlFactory* factory = KmlFactory::GetFactory();
LookAtPtr lookat = factory->CreateLookAt();
lookat->set_altitudemode(kmldom::ALTITUDEMODE_RELATIVETOGROUND);
// Read back altitudeMode with the DOM API.
assert(lookat->has_altitudemode());
assert(kmldom::ALTITUDEMODE_RELATIVETOGROUND == lookat->get_altitudemode());
// Serialize it out to a string
std::string kml = kmldom::SerializePretty(lookat);
std::cout << kml << std::endl;
// <LookAt>
// <altitudeMode>relativeToGround</altitudeMode>
// </LookAt>
// Verify the string is correct. (SerializePretty() adds 2 space indent).
assert(kml.find("<LookAt>") == 0);
assert(kml.find("<altitudeMode>") == 11);
assert(kml.find("relativeToGround") == 25);
assert(kml.find("</altitudeMode>") == 41);
assert(kml.find("</LookAt>") == 57);
}
void CheckLinkFactory() {
// Create a <Link/>.
KmlFactory* factory = KmlFactory::GetFactory();
LinkPtr link = factory->CreateLink();
// Verify defaults.
assert(false == link->has_refreshmode());
assert(kmldom::REFRESHMODE_ONCHANGE == link->get_refreshmode());
assert(false == link->has_viewrefreshmode());
assert(kmldom::VIEWREFRESHMODE_NEVER == link->get_viewrefreshmode());
// Change a few things.
const char kGooKml[] = "goo.kml";
link->set_href(kGooKml);
link->set_refreshmode(kmldom::REFRESHMODE_ONEXPIRE);
link->set_viewrefreshmode(kmldom::VIEWREFRESHMODE_ONREGION);
// Serialize and verify elements have changed:
std::string changed_kml = kmldom::SerializePretty(link);
std::cout << changed_kml << std::endl;
// <Link>
// <href>goo.kml</href>
// <refreshMode>onExpire</refreshMode>
// <viewRefreshMode>onRegion</viewRefreshMode>
// </Link>
assert(0 == changed_kml.find("<Link>"));
assert(9 == changed_kml.find("<href>"));
assert(15 == changed_kml.find(kGooKml));
assert(22 == changed_kml.find("</href>"));
assert(32 == changed_kml.find("<refreshMode>"));
assert(45 == changed_kml.find("onExpire"));
assert(53 == changed_kml.find("</refreshMode>"));
assert(70 == changed_kml.find("<viewRefreshMode>"));
assert(87 == changed_kml.find("onRegion"));
assert(95 == changed_kml.find("</viewRefreshMode>"));
assert(114 == changed_kml.find("</Link>"));
}
int main(int argc, char** argv) {
CheckParseLookAt();
CheckParseLink();
CheckSerializeLookAt();
CheckLinkFactory();
return 0; // All is well if we got this far.
}
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