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// Copyright 2009, 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 prints every link and title in every entry in the given (Atom) feed.
// See RFC 4287. The Atom file can either be a local file or a network URL.
// (There is no direct relationship to KML in this program.)
#include <iostream>
#include <string>
#include "curlfetch.h"
#include "kml/base/file.h"
#include "kml/dom.h"
int main(int argc, char** argv) {
if (argc != 2) {
std::cerr << "usage: " << argv[0] << " feed-file-or-url.atom" << std::endl;
return 1;
}
const char* feed_url = argv[1];
std::string feed_data;
if (!kmlbase::File::ReadFileToString(feed_url, &feed_data) &&
!CurlToString(feed_url, &feed_data)) {
std::cerr << "read/fetch failed " << feed_url << std::endl;
return 1;
}
// This program expects a <feed> root element.
kmldom::AtomFeedPtr feed = kmldom::AsAtomFeed(
kmldom::ParseAtom(feed_data, NULL));
if (!feed.get()) {
std::cerr << "parse failed " << feed_url << std::endl;
return 1;
}
for (size_t e = 0; e < feed->get_entry_array_size(); ++e) {
// For each <entry> in the feed...
const kmldom::AtomEntryPtr& entry = feed->get_entry_array_at(e);
// Print the <title>:
std::cout << "[title] " << entry->get_title() << std::endl;
for (size_t l = 0; l < entry->get_link_array_size(); ++l) {
// For each <link> in the entry...
const kmldom::AtomLinkPtr& link = entry->get_link_array_at(l);
// Print the href=:
std::cout << " [link] " << link->get_href() << std::endl;
}
}
return 0;
}
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