diff options
Diffstat (limited to 'external_libs/yaml-cpp/src/contrib')
3 files changed, 185 insertions, 0 deletions
diff --git a/external_libs/yaml-cpp/src/contrib/graphbuilder.cpp b/external_libs/yaml-cpp/src/contrib/graphbuilder.cpp new file mode 100644 index 00000000..ab5159cc --- /dev/null +++ b/external_libs/yaml-cpp/src/contrib/graphbuilder.cpp @@ -0,0 +1,16 @@ +#include "yaml-cpp/parser.h" +#include "yaml-cpp/contrib/graphbuilder.h" +#include "graphbuilderadapter.h" + +namespace YAML +{ + void *BuildGraphOfNextDocument(Parser& parser, GraphBuilderInterface& graphBuilder) + { + GraphBuilderAdapter eventHandler(graphBuilder); + if (parser.HandleNextDocument(eventHandler)) { + return eventHandler.RootNode(); + } else { + return NULL; + } + } +} diff --git a/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.cpp b/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.cpp new file mode 100644 index 00000000..557e97c8 --- /dev/null +++ b/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.cpp @@ -0,0 +1,96 @@ +#include "graphbuilderadapter.h" + +namespace YAML +{ + int GraphBuilderAdapter::ContainerFrame::sequenceMarker; + + void GraphBuilderAdapter::OnNull(const Mark& mark, anchor_t anchor) + { + void *pParent = GetCurrentParent(); + void *pNode = m_builder.NewNull(mark, pParent); + RegisterAnchor(anchor, pNode); + + DispositionNode(pNode); + } + + void GraphBuilderAdapter::OnAlias(const Mark& mark, anchor_t anchor) + { + void *pReffedNode = m_anchors.Get(anchor); + DispositionNode(m_builder.AnchorReference(mark, pReffedNode)); + } + + void GraphBuilderAdapter::OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value) + { + void *pParent = GetCurrentParent(); + void *pNode = m_builder.NewScalar(mark, tag, pParent, value); + RegisterAnchor(anchor, pNode); + + DispositionNode(pNode); + } + + void GraphBuilderAdapter::OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor) + { + void *pNode = m_builder.NewSequence(mark, tag, GetCurrentParent()); + m_containers.push(ContainerFrame(pNode)); + RegisterAnchor(anchor, pNode); + } + + void GraphBuilderAdapter::OnSequenceEnd() + { + void *pSequence = m_containers.top().pContainer; + m_containers.pop(); + + DispositionNode(pSequence); + } + + void GraphBuilderAdapter::OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor) + { + void *pNode = m_builder.NewMap(mark, tag, GetCurrentParent()); + m_containers.push(ContainerFrame(pNode, m_pKeyNode)); + m_pKeyNode = NULL; + RegisterAnchor(anchor, pNode); + } + + void GraphBuilderAdapter::OnMapEnd() + { + void *pMap = m_containers.top().pContainer; + m_pKeyNode = m_containers.top().pPrevKeyNode; + m_containers.pop(); + DispositionNode(pMap); + } + + void *GraphBuilderAdapter::GetCurrentParent() const + { + if (m_containers.empty()) { + return NULL; + } + return m_containers.top().pContainer; + } + + void GraphBuilderAdapter::RegisterAnchor(anchor_t anchor, void *pNode) + { + if (anchor) { + m_anchors.Register(anchor, pNode); + } + } + + void GraphBuilderAdapter::DispositionNode(void *pNode) + { + if (m_containers.empty()) { + m_pRootNode = pNode; + return; + } + + void *pContainer = m_containers.top().pContainer; + if (m_containers.top().isMap()) { + if (m_pKeyNode) { + m_builder.AssignInMap(pContainer, m_pKeyNode, pNode); + m_pKeyNode = NULL; + } else { + m_pKeyNode = pNode; + } + } else { + m_builder.AppendToSequence(pContainer, pNode); + } + } +} diff --git a/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.h b/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.h new file mode 100644 index 00000000..3ef8ab6c --- /dev/null +++ b/external_libs/yaml-cpp/src/contrib/graphbuilderadapter.h @@ -0,0 +1,73 @@ +#ifndef GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 +#define GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 + +#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4 +#pragma once +#endif + +#include <cstdlib> +#include <map> +#include <stack> +#include "yaml-cpp/eventhandler.h" +#include "yaml-cpp/contrib/anchordict.h" +#include "yaml-cpp/contrib/graphbuilder.h" + +namespace YAML +{ + class GraphBuilderAdapter : public EventHandler + { + public: + GraphBuilderAdapter(GraphBuilderInterface& builder) + : m_builder(builder), m_pRootNode(NULL), m_pKeyNode(NULL) + { + } + + virtual void OnDocumentStart(const Mark& mark) {(void)mark;} + virtual void OnDocumentEnd() {} + + virtual void OnNull(const Mark& mark, anchor_t anchor); + virtual void OnAlias(const Mark& mark, anchor_t anchor); + virtual void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value); + + virtual void OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor); + virtual void OnSequenceEnd(); + + virtual void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor); + virtual void OnMapEnd(); + + void *RootNode() const {return m_pRootNode;} + + private: + struct ContainerFrame + { + ContainerFrame(void *pSequence) + : pContainer(pSequence), pPrevKeyNode(&sequenceMarker) + {} + ContainerFrame(void *pMap, void* pPrevKeyNode) + : pContainer(pMap), pPrevKeyNode(pPrevKeyNode) + {} + + void *pContainer; + void *pPrevKeyNode; + + bool isMap() const {return pPrevKeyNode != &sequenceMarker;} + + private: + static int sequenceMarker; + }; + typedef std::stack<ContainerFrame> ContainerStack; + typedef AnchorDict<void*> AnchorMap; + + GraphBuilderInterface& m_builder; + ContainerStack m_containers; + AnchorMap m_anchors; + void *m_pRootNode; + void *m_pKeyNode; + + void *GetCurrentParent() const; + void RegisterAnchor(anchor_t anchor, void *pNode); + void DispositionNode(void *pNode); + }; +} + +#endif // GRAPHBUILDERADAPTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 |