Go to the documentation of this file.00001 #ifndef GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
00002 #define GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
00003
00004 #if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
00005 #pragma once
00006 #endif
00007
00008 #include <cstdlib>
00009 #include <map>
00010 #include <stack>
00011 #include "yaml-cpp-pm/eventhandler.h"
00012 #include "yaml-cpp-pm/contrib/anchordict.h"
00013 #include "yaml-cpp-pm/contrib/graphbuilder.h"
00014
00015 namespace YAML_PM
00016 {
00017 class GraphBuilderAdapter : public EventHandler
00018 {
00019 public:
00020 GraphBuilderAdapter(GraphBuilderInterface& builder)
00021 : m_builder(builder), m_pRootNode(NULL), m_pKeyNode(NULL)
00022 {
00023 }
00024
00025 virtual void OnDocumentStart(const Mark& mark) {(void)mark;}
00026 virtual void OnDocumentEnd() {}
00027
00028 virtual void OnNull(const Mark& mark, anchor_t anchor);
00029 virtual void OnAlias(const Mark& mark, anchor_t anchor);
00030 virtual void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value);
00031
00032 virtual void OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor);
00033 virtual void OnSequenceEnd();
00034
00035 virtual void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor);
00036 virtual void OnMapEnd();
00037
00038 void *RootNode() const {return m_pRootNode;}
00039
00040 private:
00041 struct ContainerFrame
00042 {
00043 ContainerFrame(void *pSequence)
00044 : pContainer(pSequence), pPrevKeyNode(&sequenceMarker)
00045 {}
00046 ContainerFrame(void *pMap, void* pPrevKeyNode)
00047 : pContainer(pMap), pPrevKeyNode(pPrevKeyNode)
00048 {}
00049
00050 void *pContainer;
00051 void *pPrevKeyNode;
00052
00053 bool isMap() const {return pPrevKeyNode != &sequenceMarker;}
00054
00055 private:
00056 static int sequenceMarker;
00057 };
00058 typedef std::stack<ContainerFrame> ContainerStack;
00059 typedef AnchorDict<void*> AnchorMap;
00060
00061 GraphBuilderInterface& m_builder;
00062 ContainerStack m_containers;
00063 AnchorMap m_anchors;
00064 void *m_pRootNode;
00065 void *m_pKeyNode;
00066
00067 void *GetCurrentParent() const;
00068 void RegisterAnchor(anchor_t anchor, void *pNode);
00069 void DispositionNode(void *pNode);
00070 };
00071 }
00072
00073 #endif // GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66