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.
63 lines
3.3 KiB
C
63 lines
3.3 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 declaration of the MergeElements() and MergeFields()
|
||
|
|
// functions.
|
||
|
|
// TODO: move these to an engine-specific kml_funcs.h
|
||
|
|
|
||
|
|
#ifndef KML_ENGINE_MERGE_H__
|
||
|
|
#define KML_ENGINE_MERGE_H__
|
||
|
|
|
||
|
|
#include "kml/dom.h"
|
||
|
|
|
||
|
|
namespace kmlengine {
|
||
|
|
|
||
|
|
// Each set simple child of source is set in target. If a field is not set
|
||
|
|
// (has_xxx() == false) it is not changed in the target. While the intended
|
||
|
|
// usage is for both source and target to be of the same complex type this does
|
||
|
|
// not need to be the case. Thus, it is possible to set the latitude of Camera
|
||
|
|
// from a LookAt.
|
||
|
|
void MergeFields(const kmldom::ElementPtr& source, kmldom::ElementPtr target);
|
||
|
|
|
||
|
|
// This function implements a deep merge of all simple and complex child
|
||
|
|
// elements of source into the corresponding children of target. The source
|
||
|
|
// is left unchanged upon return. Any complex elements added to target are
|
||
|
|
// complete clones of those from the source. No complex elements are ever
|
||
|
|
// shared between elements. All array value elements in the source are
|
||
|
|
// appended to the corresponding array in the target. Any substitution group
|
||
|
|
// elements (Placemark/Geometry) are _replaced_ in the target; for example, a
|
||
|
|
// Placemark/Point in the target will be fully replaced with a
|
||
|
|
// Placemark/LineString Clone()'ed from the source. Each matching complex
|
||
|
|
// child element of source and target is recursively Merge()'ed. Each field of
|
||
|
|
// source is merged into target (using MergeFields). The source and target
|
||
|
|
// element type do not need to match. Elements from source unknown to target
|
||
|
|
// are handled the same as a parse of unknown elements into the target and
|
||
|
|
// are similarily preserved for serialization.
|
||
|
|
void MergeElements(const kmldom::ElementPtr& source, kmldom::ElementPtr target);
|
||
|
|
|
||
|
|
} // end namespace kmlengine
|
||
|
|
|
||
|
|
#endif // KML_ENGINE_MERGE_H__
|