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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 example uses the kmlengine::SchemaParserObserver and
// kmlengine::OldSchemaParserObserver to convert "old-style" <Schema> to valid
// OGC KML 2.2. See kml/engine/parse_old_schema.h for details.
#include <iostream>
#include <string>
#include "boost/scoped_ptr.hpp"
#include "kml/dom.h"
#include "kml/engine.h"
#include "kml/engine/old_schema_parser_observer.h"
#include "kml/engine/schema_parser_observer.h"
#include "kml/engine/engine_types.h"
#include "kml/base/file.h"
using kmlengine::KmzFile;
using std::cout;
using std::endl;
int main(int argc, char** argv) {
if (argc != 2) {
cout << "usage: " << argv[0] << " kmlfile" << endl;
return 1;
}
// Read the file.
std::string file_data;
if (!kmlbase::File::ReadFileToString(argv[1], &file_data)) {
cout << argv[1] << " read failed" << endl;
return 1;
}
// If the file was KMZ, extract the KML file.
std::string kml;
if (KmzFile::IsKmz(file_data)) {
boost::scoped_ptr<KmzFile> kmz_file(KmzFile::OpenFromString(argv[1]));
if (!kmz_file.get()) {
cout << "Failed opening KMZ file" << endl;
return 1;
}
if (!kmz_file->ReadKml(&kml)) {
cout << "Failed to read KML from KMZ" << endl;
return 1;
}
} else {
kml = file_data;
}
// This holds mappings from <Schema name="..."> to SchemaPtr.
kmlengine::SchemaNameMap schema_name_map;
// This finds all <Schema>'s in the parse and saves them in schema_name_map.
kmlengine::SchemaParserObserver schema_parser_observer(&schema_name_map);
// This uses mappings in schema_name_map to convert each "old-style" <Schema>
// instances into an OGC KML 2.2 <Placemark>.
kmlengine::OldSchemaParserObserver old_schema_parser_observer(
schema_name_map);
// Configure the parser with the two observers.
kmldom::Parser parser;
parser.AddObserver(&schema_parser_observer);
parser.AddObserver(&old_schema_parser_observer);
std::string errors;
kmldom::ElementPtr root = parser.Parse(kml, &errors);
if (!root) {
cout << errors << endl;
return 1;
}
cout << kmldom::SerializePretty(root);
return 0;
}
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