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72 lines
2.9 KiB
C
72 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 GetLinkParents() function and the
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// definition of the GetLinkParentsParserObserver.
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#ifndef KML_ENGINE_GET_LINK_PARENTS_H__
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#define KML_ENGINE_GET_LINK_PARENTS_H__
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#include <vector>
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#include "kml/dom.h"
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#include "kml/engine/engine_types.h"
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namespace kmlengine {
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// Is this element the parent of a Link?
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bool IsLinkParent(const kmldom::ElementPtr& element);
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// Is this element the parent of an Icon?
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bool IsIconParent(const kmldom::ElementPtr& element);
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// This ParserObserver looks for all elements that have a link child.
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class GetLinkParentsParserObserver : public kmldom::ParserObserver {
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public:
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GetLinkParentsParserObserver(ElementVector* link_parent_vector)
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: link_parent_vector_(link_parent_vector) {}
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virtual ~GetLinkParentsParserObserver() {}
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virtual bool NewElement(const kmldom::ElementPtr& element) {
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if (IsLinkParent(element) || IsIconParent(element)) {
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link_parent_vector_->push_back(element);
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}
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return true;
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}
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private:
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ElementVector* link_parent_vector_;
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};
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// This function appends all Elements with link children to the supplied
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// vector. This returns false if a NULL vector pointer is supplied or if the
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// parse of the kml fails. See the IsLinkParent() and IsIconParent()
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// functions for the definition of "Element with link child".
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bool GetLinkParents(const string& kml, ElementVector* link_parent_vector);
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} // end namespace kmlengine
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#endif // KML_ENGINE_GET_LINK_PARENTS_H__
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