Overloaded more integral types for emitting

include/emitter.h

@@ -46,7 +46,12 @@ namespace YAML
 		// overloads of write
 		Emitter& Write(const std::string& str);
 		Emitter& Write(const char *str);
-		Emitter& Write(int i);
+		Emitter& Write(int value) { return WriteIntegralType(value); }
+		Emitter& Write(unsigned int value) { return WriteIntegralType(value); }
+		Emitter& Write(short value) { return WriteIntegralType(value); }
+		Emitter& Write(unsigned short value) { return WriteIntegralType(value); }
+		Emitter& Write(long value) { return WriteIntegralType(value); }
+		Emitter& Write(unsigned long value) { return WriteIntegralType(value); }
 		Emitter& Write(bool b);
 		Emitter& Write(float f);
 		Emitter& Write(double d);
@@ -56,6 +61,13 @@ namespace YAML
 		Emitter& Write(const _Comment& comment);
 		Emitter& Write(const _Null& null);
 		
+	private:
+		void PreWriteIntegralType(std::stringstream& str);
+		void PostWriteIntegralType(const std::stringstream& str);
+	
+		template <typename T>
+		Emitter& WriteIntegralType(T value);
+
 	private:
 		enum ATOMIC_TYPE { AT_SCALAR, AT_SEQ, AT_BLOCK_SEQ, AT_FLOW_SEQ, AT_MAP, AT_BLOCK_MAP, AT_FLOW_MAP };
 		
@@ -76,6 +88,19 @@ namespace YAML
 		std::auto_ptr <EmitterState> m_pState;
 	};
 	
+	template <typename T>
+	inline Emitter& Emitter::WriteIntegralType(T value)
+	{
+		if(!good())
+			return *this;
+		
+		std::stringstream str;
+		PreWriteIntegralType(str);
+		str << value;
+		PostWriteIntegralType(str);
+		return *this;
+	}
+	
 	// overloads of insertion
 	template <typename T>
 	inline Emitter& operator << (Emitter& emitter, T v) {

src/emitter.cpp

@@ -556,17 +556,13 @@ namespace YAML
 		
 		return Write(std::string(str));
 	}
-	
-	Emitter& Emitter::Write(int i)
+
+	void Emitter::PreWriteIntegralType(std::stringstream& str)
 	{
-		if(!good())
-			return *this;
-		
 		PreAtomicWrite();
 		EmitSeparationIfNecessary();
 		
 		EMITTER_MANIP intFmt = m_pState->GetIntFormat();
-		std::stringstream str;
 		switch(intFmt) {
 			case Dec:
 				str << std::dec;
@@ -574,18 +570,18 @@ namespace YAML
 			case Hex:
 				str << std::hex;
 				break;
-			case Oct:
+				case Oct:
 				str << std::oct;
 				break;
 			default:
 				assert(false);
 		}
-		
-		str << i;
+	}
+	
+	void Emitter::PostWriteIntegralType(const std::stringstream& str)
+	{
 		m_stream << str.str();
-		
 		PostAtomicWrite();
-		return *this;
 	}
 	
 	Emitter& Emitter::Write(bool b)