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-rw-r--r--external_libs/yaml-cpp/src/contrib/graphbuilderadapter.cpp96
1 files changed, 96 insertions, 0 deletions
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);
+ }
+ }
+}