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83 lines
3.5 KiB
C++
83 lines
3.5 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 definition of the OldSchemaParserObserver class.
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// TODO: This class is still under development.
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#ifndef KML_ENGINE_OLD_SCHEMA_PARSER_OBSERVER_H__
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#define KML_ENGINE_OLD_SCHEMA_PARSER_OBSERVER_H__
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#include <map>
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#include "kml/dom.h"
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#include "kml/dom/parser_observer.h"
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#include "kml/engine/engine_types.h"
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#include "kml/engine/parse_old_schema.h"
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namespace kmlengine {
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// This class detects old-style Schema instances, converts them and inserts
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// the converted Placemark into the container within which the Schema instance
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// element was found.
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// TODO: delete the unparsed xml after conversion.
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class OldSchemaParserObserver : public kmldom::ParserObserver {
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public:
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OldSchemaParserObserver(const SchemaNameMap& schema_name_map)
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: schema_name_map_(schema_name_map) {}
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virtual ~OldSchemaParserObserver() {}
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// ParserObserver::AddChild()
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// Old-style <Schema> looked like this:
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// <Schema parent="Placemark" name="S_park_boundaries_S">
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// ...
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// </Schema>
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virtual bool AddChild(const kmldom::ElementPtr& parent,
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const kmldom::ElementPtr& child) {
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if (kmldom::ContainerPtr container = kmldom::AsContainer(child)) {
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size_t size = container->get_unknown_elements_array_size();
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for (size_t i = 0; i < size; ++i) {
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string errors;
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// TODO: this can fail if the original pass through had CDATA sections
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// in <description>, for example, which were stripped going into the
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// unknown elements array.
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if (kmldom::PlacemarkPtr placemark = ParseOldSchema(
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container->get_unknown_elements_array_at(i),
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schema_name_map_, &errors)) {
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container->add_feature(placemark);
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// TODO: container->delete_unknown_elements_array_at(i)
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} // TODO: else terminate the parse and emit the error.
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}
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}
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return true; // Keep parsing.
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}
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private:
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const SchemaNameMap& schema_name_map_;
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};
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} // end namespace kmlengine
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#endif // KML_ENGINE_OLD_SCHEMA_PARSER_OBSERVER_H__
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