#ifndef GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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#define GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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#if defined(_MSC_VER) || \
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(defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
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(__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
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#pragma once
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#endif
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#include <cstdlib>
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#include <map>
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#include <stack>
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#include "yaml-cpp/anchor.h"
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#include "yaml-cpp/contrib/anchordict.h"
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#include "yaml-cpp/contrib/graphbuilder.h"
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#include "yaml-cpp/emitterstyle.h"
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#include "yaml-cpp/eventhandler.h"
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namespace YAML {
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class GraphBuilderInterface;
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struct Mark;
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} // namespace YAML
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namespace YAML {
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class GraphBuilderAdapter : public EventHandler {
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public:
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GraphBuilderAdapter(GraphBuilderInterface& builder)
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: m_builder(builder), m_pRootNode(NULL), m_pKeyNode(NULL) {}
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virtual void OnDocumentStart(const Mark& mark) { (void)mark; }
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virtual void OnDocumentEnd() {}
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virtual void OnNull(const Mark& mark, anchor_t anchor);
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virtual void OnAlias(const Mark& mark, anchor_t anchor);
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virtual void OnScalar(const Mark& mark, const std::string& tag,
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anchor_t anchor, const std::string& value);
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virtual void OnSequenceStart(const Mark& mark, const std::string& tag,
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anchor_t anchor, EmitterStyle::value style);
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virtual void OnSequenceEnd();
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virtual void OnMapStart(const Mark& mark, const std::string& tag,
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anchor_t anchor, EmitterStyle::value style);
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virtual void OnMapEnd();
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void* RootNode() const { return m_pRootNode; }
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private:
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struct ContainerFrame {
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ContainerFrame(void* pSequence)
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: pContainer(pSequence), pPrevKeyNode(&sequenceMarker) {}
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ContainerFrame(void* pMap, void* pPrevKeyNode)
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: pContainer(pMap), pPrevKeyNode(pPrevKeyNode) {}
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void* pContainer;
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void* pPrevKeyNode;
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bool isMap() const { return pPrevKeyNode != &sequenceMarker; }
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private:
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static int sequenceMarker;
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};
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typedef std::stack<ContainerFrame> ContainerStack;
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typedef AnchorDict<void*> AnchorMap;
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GraphBuilderInterface& m_builder;
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ContainerStack m_containers;
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AnchorMap m_anchors;
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void* m_pRootNode;
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void* m_pKeyNode;
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void* GetCurrentParent() const;
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void RegisterAnchor(anchor_t anchor, void* pNode);
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void DispositionNode(void* pNode);
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};
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}
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#endif // GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
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