/usr/include/kml/engine/kmz_cache.h is in libkml-dev 1.2.0-1ubuntu6.
This file is owned by root:root, with mode 0o644.
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//
// 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 file contains the internal KmzCache class declaration.
#ifndef KML_ENGINE_KMZ_CACHE_H__
#define KML_ENGINE_KMZ_CACHE_H__
#include <map>
#include "boost/scoped_ptr.hpp"
#include "kml/base/memory_file.h"
#include "kml/base/net_cache.h"
#include "kml/engine/kmz_file.h"
namespace kmlengine {
class KmlUri;
// This class is a cache of network-fetched KmzFile's. The NetFetcher
// is supplied by the caller to implement application-specific networking.
// See kmlbase::NetCache for more information.
// NOTE: Applications should generally use KmlCache.
class KmzCache : public kmlbase::NetCache<KmzFile> {
typedef kmlbase::NetCache<kmlbase::MemoryFile> MemoryFileCache;
public:
// This creates a KmzCache to hold up to the given number of KmzFiles.
// This same size is used for an internal cache of MemoryFile's of fetched
// files which are not KMZ.
KmzCache(kmlbase::NetFetcher* net_fetcher_, size_t max_size)
: kmlbase::NetCache<KmzFile>(net_fetcher_, max_size) {
memory_file_cache_.reset(new MemoryFileCache(net_fetcher_, max_size));
}
// This is the main KML Engine internal method to perform a KMZ-aware fetch.
// KmlUri encodes the fetch base and target.
bool DoFetch(KmlUri* kml_uri, string* content);
// This is basically an internal helper method to perform a simple lookup
// of a file within a KMZ. If the KmlUri describes a KMZ file in the cache
// and the target is exists within that KMZ then the content is saved to
// the supplied buffer and true is returned. If the KmlUri is not KMZ
// related or if the target is not within the KMZ or if no content buffer
// is supplied false is returned.
bool FetchFromCache(KmlUri* kml_uri, string* content) const;
private:
boost::scoped_ptr<MemoryFileCache> memory_file_cache_;
};
} // end namespace kmlengine
#endif // KML_ENGINE_KMZ_CACHE_H__
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