From c95bcae49fea5251b542d8f4b93443f720f2a270 Mon Sep 17 00:00:00 2001
From: Jesse Beder <jbeder+github@gmail.com>
Date: Tue, 22 May 2012 13:57:44 -0500
Subject: [PATCH] Added writing integral types

---
 include/yaml-cpp/emitter.h | 12 ++++++++++++
 src/emitter.cpp            | 37 +++++++++++++++++++++++++++++++------
 util/sandbox.cpp           |  2 +-
 3 files changed, 44 insertions(+), 7 deletions(-)

diff --git a/include/yaml-cpp/emitter.h b/include/yaml-cpp/emitter.h
index 3d6f0b3..76876cd 100644
--- a/include/yaml-cpp/emitter.h
+++ b/include/yaml-cpp/emitter.h
@@ -74,6 +74,9 @@ namespace YAML
         template<typename T> void SetStreamablePrecision(std::stringstream&) {}
         unsigned GetFloatPrecision() const;
         unsigned GetDoublePrecision() const;
+        
+        void PrepareIntegralStream(std::stringstream& stream) const;
+        void StartedScalar();
 	
 	private:
 		void EmitBeginDoc();
@@ -111,6 +114,15 @@ namespace YAML
 		if(!good())
 			return *this;
 		
+        PrepareNode(EmitterNodeType::Scalar);
+
+        std::stringstream stream;
+        PrepareIntegralStream(stream);
+        stream << value;
+        m_stream << stream.str();
+        
+        StartedScalar();
+
 		return *this;
 	}
 
diff --git a/src/emitter.cpp b/src/emitter.cpp
index 6e49e54..02a2ad9 100644
--- a/src/emitter.cpp
+++ b/src/emitter.cpp
@@ -436,6 +436,31 @@ namespace YAML
         m_stream << IndentTo(indent);
     }
 
+    void Emitter::PrepareIntegralStream(std::stringstream& stream) const
+    {
+		
+		switch(m_pState->GetIntFormat()) {
+			case Dec:
+				stream << std::dec;
+				break;
+			case Hex:
+                stream << "0x";
+				stream << std::hex;
+				break;
+			case Oct:
+                stream << "0";
+				stream << std::oct;
+				break;
+			default:
+				assert(false);
+		}
+    }
+
+    void Emitter::StartedScalar()
+    {
+        m_pState->StartedScalar();
+    }
+
 	// *******************************************************************************************
 	// overloads of Write
 	
@@ -464,7 +489,7 @@ namespace YAML
                 break;
         }
 
-        m_pState->StartedScalar();
+        StartedScalar();
         
 		return *this;
 	}
@@ -521,7 +546,7 @@ namespace YAML
 
         PrepareNode(EmitterNodeType::Scalar);
         m_stream << ComputeFullBoolName(b);
-        m_pState->StartedScalar();
+        StartedScalar();
 
 		return *this;
 	}
@@ -533,7 +558,7 @@ namespace YAML
 
         PrepareNode(EmitterNodeType::Scalar);
         m_stream << ch;
-        m_pState->StartedScalar();
+        StartedScalar();
 
 		return *this;
 	}
@@ -555,7 +580,7 @@ namespace YAML
 			return *this;
 		}
         
-        m_pState->StartedScalar();
+        StartedScalar();
 
 		return *this;
 	}
@@ -639,7 +664,7 @@ namespace YAML
 			return *this;
 
         // TODO
-        m_pState->StartedScalar();
+        StartedScalar();
 
 		return *this;
 	}
@@ -653,7 +678,7 @@ namespace YAML
 
         PrepareNode(EmitterNodeType::Scalar);
 		Utils::WriteBinary(m_stream, binary);
-        m_pState->StartedScalar();
+        StartedScalar();
 
 		return *this;
 	}
diff --git a/util/sandbox.cpp b/util/sandbox.cpp
index b67fc2b..aa05394 100644
--- a/util/sandbox.cpp
+++ b/util/sandbox.cpp
@@ -10,7 +10,7 @@ int main()
     out << YAML::Anchor("a") << YAML::Comment("anchor") << "item 1" << YAML::Comment("a");
     out << YAML::BeginMap << YAML::Comment("b");
     out << "pens" << YAML::Comment("foo") << "a" << YAML::Comment("bar");
-    out << "pencils" << "b";
+    out << "pencils" << 15;
     out << YAML::EndMap << YAML::Comment("monkey");
     out << "item 2";
     out << YAML::EndSeq;