You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
2.6 KiB
C
57 lines
2.6 KiB
C
2 years ago
|
// 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.
|
||
|
|
|
||
|
|
// This file contains the declarations of the GetRootFeature(),
|
||
|
|
// VisitFeatureHierarchy() functions and FeatureVisitor base class.
|
||
|
|
|
||
|
|
#ifndef KML_ENGINE_FEATURE_VISITOR_H__
|
||
|
|
#define KML_ENGINE_FEATURE_VISITOR_H__
|
||
|
|
|
||
|
|
#include "kml/dom.h"
|
||
|
|
|
||
|
|
namespace kmlengine {
|
||
|
|
|
||
|
|
// This returns the root Feature of the given KML hierarchy. If root is
|
||
|
|
// neither of Type_Kml nor Type_Feature NULL is returned.
|
||
|
|
const kmldom::FeaturePtr GetRootFeature(const kmldom::ElementPtr& root);
|
||
|
|
|
||
|
|
// This is the base class for use with VisitFeatureHierarchy. Derive your own
|
||
|
|
// class and implement VisitFeature and pass the instance of your class to
|
||
|
|
// VisitFeatureHierarchy
|
||
|
|
class FeatureVisitor {
|
||
|
|
public:
|
||
|
|
virtual ~FeatureVisitor() {}
|
||
|
|
virtual void VisitFeature(const kmldom::FeaturePtr& feature) {}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Visit the Feature hierarchy rooted at feature calling the VisitFeature()
|
||
|
|
// method of the given FeatureVisitor in depth-first order.
|
||
|
|
void VisitFeatureHierarchy(const kmldom::FeaturePtr& feature,
|
||
|
|
FeatureVisitor& feature_visitor);
|
||
|
|
|
||
|
|
} // end namespace kmlengine
|
||
|
|
|
||
|
|
#endif // KML_ENGINE_FEATURE_VISITOR_H__
|