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70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
2 years ago
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// Copyright 2008, Google Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. Neither the name of Google Inc. nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// This file contains the declaration of the KmlStream class.
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#ifndef KML_ENGINE_KML_STREAM_H__
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#define KML_ENGINE_KML_STREAM_H__
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#include <istream>
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#include "kml/dom.h"
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#include "kml/base/util.h"
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#include "kml/base/xml_file.h"
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namespace kmldom {
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class ParserObserver;
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}
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namespace kmlengine {
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// This class is for processing a large KML file in a streamed fashion.
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// Unlike the KmlFile class this does NOT build a map of object and shared
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// style ids. This does still build a full KML DOM (unless the user-supplied
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// ParserObserver inhibits parenting of certain children).
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class KmlStream : public kmlbase::XmlFile {
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public:
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// Create a KmlFile from KML/KMZ in the given C++ istream. The entire
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// input is consumed. On any parse or I/O failure NULL is returned and an
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// error message is set to the given error string if one is supplied.
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// If a ParserObserver is supplied it is used during parse.
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static KmlStream* ParseFromIstream(std::istream* input, string* errors,
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kmldom::ParserObserver* observer);
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// This returns the root element of this KML stream.
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const kmldom::ElementPtr get_root() const {
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return kmldom::AsElement(XmlFile::get_root());
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}
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private:
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// Constructor is private. Use static creation methods.
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KmlStream() {}
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LIBKML_DISALLOW_EVIL_CONSTRUCTORS(KmlStream);
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};
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} // end namespace kmlengine
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#endif // KML_ENGINE_KML_STREAM_H__
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