text: // 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.
  
  #include <iostream>
  #include <string>
  #include "kml/base/file.h"
  #include "kml/engine.h"
  #include "curlfetch.h"
  
  using std::cout;
  using std::endl;
  using kmlbase::File;
  using kmlengine::KmlCache;
  using kmlengine::KmlFile;
  using kmlengine::KmlFilePtr;
  
  int main(int argc, char** argv) {
    if (argc != 2 && argc != 3) {
      cout << "usage: " << argv[0] << " url.kml [relative]" << endl;
      cout << "usage: " << argv[0] << " url.kmz [relative]" << endl;
      cout << "usage: " << argv[0] << " url.kmz/path.kml [relative]" << endl;
      cout << "usage: " << argv[0] << " url.kmz/non-kml" << endl;
      return 1;
    }
    const char* url = argv[1];
    const char* relative = argc == 3 ? argv[2] : NULL;
  
    CurlNetFetcher curl_net_fetcher;
    KmlCache kml_cache(&curl_net_fetcher, 1);
    if (relative) {
      std::string data;
      if (kml_cache.FetchDataRelative(url, relative, &data)) {
        cout << data;
      }
    } else {
      if (KmlFilePtr kml_file = kml_cache.FetchKmlAbsolute(url)) {
        std::string output;
        if (kml_file->SerializeToString(&output)) {
          cout << output;
        }
      }
    }
  
    return 0;
  }
  