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85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
// 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 implementation of the XmlFile class.
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#ifndef KML_BASE_XML_FILE_H__
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#define KML_BASE_XML_FILE_H__
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#include <map>
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#include "boost/intrusive_ptr.hpp"
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#include "kml/base/xml_element.h"
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#include "kml/base/referent.h"
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#include "kml/base/util.h"
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namespace kmlbase {
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// TODO: use a typedef (or type) for XmlId
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typedef std::map<string, XmlElementPtr> XmlElementIdMap;
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// This class represents an XML file (in XML standards this is known as a
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// "document", however we avoid that term due to the use of "<Document>" as
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// an element in KML). An XmlFile may have a URL, a root XmlElement and
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// a set of xml ID to XmlElement mappings.
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class XmlFile : public Referent {
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public:
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const string& get_url() const {
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return url_;
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}
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const XmlElementPtr& get_root() const {
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return root_;
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}
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protected:
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void set_url(const string& url) {
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url_ = url;
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}
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bool set_root(const XmlElementPtr& element) {
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return root_ ? false : (root_ = element, true);
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}
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XmlElementPtr FindXmlElementById(const string& id) const {
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XmlElementIdMap::const_iterator find = id_map_.find(id);
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return find != id_map_.end() ? find->second : NULL;
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}
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protected:
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// This is an abstract base class and is never created directly.
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XmlFile() {}
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private:
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// TODO: use a typedef for URL and/or URL string
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string url_;
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XmlElementPtr root_;
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XmlElementIdMap id_map_;
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LIBKML_DISALLOW_EVIL_CONSTRUCTORS(XmlFile);
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};
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} // end namespace kmlbase
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#endif // KML_BASE_XML_FILE_H__
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