1 // Copyright 2009, Google Inc. All rights reserved. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are met: 5 // 6 // 1. Redistributions of source code must retain the above copyright notice, 7 // this list of conditions and the following disclaimer. 8 // 2. Redistributions in binary form must reproduce the above copyright notice, 9 // this list of conditions and the following disclaimer in the documentation 10 // and/or other materials provided with the distribution. 11 // 3. Neither the name of Google Inc. nor the names of its contributors may be 12 // used to endorse or promote products derived from this software without 13 // specific prior written permission. 14 // 15 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 16 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 17 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 18 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 26 // This file contains the declaration of the internal StyleInliner class. 27 28 #ifndef KML_ENGINE_STYLE_INLINER_INTERNAL_H__ 29 #define KML_ENGINE_STYLE_INLINER_INTERNAL_H__ 30 31 #include "kml/base/string_util.h" 32 #include "kml/dom.h" 33 #include "kml/engine/engine_types.h" 34 35 namespace kmlengine { 36 37 // This class inlines _most_ shared StyleSelectors into each Feature. 38 // NOTE: Direct use of this class in production code is not recommended. 39 // Use the InlineStyles function declared above. 40 class StyleInliner : public kmldom::ParserObserver { 41 public: 42 StyleInliner(); 43 ~StyleInliner()44 virtual ~StyleInliner() {} 45 46 // ParserObserver::NewElement() 47 virtual bool NewElement(const kmldom::ElementPtr& element); 48 49 // Like AsFeature(), but not if the feature is a <Document>. 50 static kmldom::FeaturePtr AsNonDocumentFeature( 51 const kmldom::ElementPtr& element); 52 53 // ParserObserver::EndElement() 54 virtual bool EndElement(const kmldom::ElementPtr& parent, 55 const kmldom::ElementPtr& child); 56 57 // ParserObserver::AddChild() 58 virtual bool AddChild(const kmldom::ElementPtr& parent, 59 const kmldom::ElementPtr& child); 60 61 // Mostly for debugging, but no reason to hide these. get_document()62 const kmldom::DocumentPtr& get_document() const { 63 return document_; 64 } 65 in_update()66 bool in_update() const { 67 return in_update_; 68 } 69 70 // All shared styles are added to this map _instead_ of their <Document> 71 // parent. Any duplicate id's are handled in a "last one wins" fashion. get_shared_styles()72 const kmlengine::SharedStyleMap& get_shared_styles() const { 73 return shared_styles_; 74 } 75 76 private: 77 kmlengine::SharedStyleMap shared_styles_; 78 kmldom::DocumentPtr document_; 79 bool in_update_; 80 }; 81 82 } // end namespace kmlengine 83 84 #endif // KML_ENGINE_STYLE_INLINER_INTERNAL_H__ 85