Add flow/block style setting on Nodes

src/convert.cpp

@@ -51,7 +51,9 @@ bool convert<bool>::decode(const Node& node, bool& rhs) {
   // http://yaml.org/type/bool.html)
   static const struct {
     std::string truename, falsename;
-  } names[] = {{"y", "n"}, {"yes", "no"}, {"true", "false"}, {"on", "off"}, };
+  } names[] = {
+        {"y", "n"}, {"yes", "no"}, {"true", "false"}, {"on", "off"},
+    };
 
   if (!IsFlexibleCase(node.Scalar()))
     return false;

src/node_data.cpp

@@ -16,7 +16,10 @@ namespace detail {
 std::string node_data::empty_scalar;
 
 node_data::node_data()
-    : m_isDefined(false), m_type(NodeType::Null), m_seqSize(0) {}
+    : m_isDefined(false),
+      m_type(NodeType::Null),
+      m_seqSize(0),
+      m_style(EmitterStyle::Default) {}
 
 void node_data::mark_defined() {
   if (m_type == NodeType::Undefined)
@@ -57,6 +60,8 @@ void node_data::set_type(NodeType::value type) {
 
 void node_data::set_tag(const std::string& tag) { m_tag = tag; }
 
+void node_data::set_style(EmitterStyle::value style) { m_style = style; }
+
 void node_data::set_null() {
   m_isDefined = true;
   m_type = NodeType::Null;

src/nodebuilder.cpp

@@ -54,6 +54,7 @@ void NodeBuilder::OnSequenceStart(const Mark& /* mark */,
   detail::node& node = Push(anchor);
   node.set_tag(tag);
   node.set_type(NodeType::Sequence);
+  node.set_style(style);
 }
 
 void NodeBuilder::OnSequenceEnd() { Pop(); }
@@ -63,6 +64,7 @@ void NodeBuilder::OnMapStart(const Mark& /* mark */, const std::string& tag,
   detail::node& node = Push(anchor);
   node.set_type(NodeType::Map);
   node.set_tag(tag);
+  node.set_style(style);
   m_mapDepth++;
 }
 

src/nodeevents.cpp

@@ -76,15 +76,14 @@ void NodeEvents::Emit(const detail::node& node, EventHandler& handler,
       handler.OnScalar(Mark(), node.tag(), anchor, node.scalar());
       break;
     case NodeType::Sequence:
-      handler.OnSequenceStart(Mark(), node.tag(), anchor,
-                              EmitterStyle::Default);
+      handler.OnSequenceStart(Mark(), node.tag(), anchor, node.style());
       for (detail::const_node_iterator it = node.begin(); it != node.end();
            ++it)
         Emit(**it, handler, am);
       handler.OnSequenceEnd();
       break;
     case NodeType::Map:
-      handler.OnMapStart(Mark(), node.tag(), anchor, EmitterStyle::Default);
+      handler.OnMapStart(Mark(), node.tag(), anchor, node.style());
       for (detail::const_node_iterator it = node.begin(); it != node.end();
            ++it) {
         Emit(*it->first, handler, am);