From a7ebb3615a2fa25edfa364eb7c7f2ae85ca3051f Mon Sep 17 00:00:00 2001
From: Jesse Beder <jbeder+github@gmail.com>
Date: Thu, 8 Sep 2011 00:48:40 -0500
Subject: [PATCH] Added streamable conversions

---
 src/value/convert.cpp | 34 ++++++++++++++++++++++++++++++++++
 util/value.cpp        |  6 ++++--
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/src/value/convert.cpp b/src/value/convert.cpp
index 8bfd9cb..47cf659 100644
--- a/src/value/convert.cpp
+++ b/src/value/convert.cpp
@@ -1,7 +1,9 @@
 #include "yaml-cpp/value.h"
+#include <sstream>
 
 namespace YAML
 {
+	// std::string
 	template<>
 	Value convert(const std::string& rhs) {
 		return Value(rhs);
@@ -14,4 +16,36 @@ namespace YAML
 		rhs = value.scalar();
 		return true;
 	}
+
+#define YAML_DEFINE_CONVERT_STREAMABLE(type)\
+	template<> Value convert(const type& rhs) {\
+		std::stringstream stream;\
+		stream << rhs;\
+		return Value(stream.str());\
+	}\
+	template<> bool convert(const Value& value, type& rhs) {\
+		if(value.Type() != ValueType::Scalar)\
+			return false;\
+		std::stringstream stream(value.scalar());\
+		stream >> rhs;\
+		return !!stream;\
+	}
+
+	YAML_DEFINE_CONVERT_STREAMABLE(int)
+	YAML_DEFINE_CONVERT_STREAMABLE(unsigned)
+	YAML_DEFINE_CONVERT_STREAMABLE(short)
+	YAML_DEFINE_CONVERT_STREAMABLE(unsigned short)
+	YAML_DEFINE_CONVERT_STREAMABLE(long)
+	YAML_DEFINE_CONVERT_STREAMABLE(unsigned long)
+	YAML_DEFINE_CONVERT_STREAMABLE(long long)
+	YAML_DEFINE_CONVERT_STREAMABLE(unsigned long long)
+
+	YAML_DEFINE_CONVERT_STREAMABLE(char)
+	YAML_DEFINE_CONVERT_STREAMABLE(unsigned char)
+
+	YAML_DEFINE_CONVERT_STREAMABLE(float)
+	YAML_DEFINE_CONVERT_STREAMABLE(double)
+	YAML_DEFINE_CONVERT_STREAMABLE(long double)
+	
+#undef YAML_DEFINE_CONVERT_STREAMABLE
 }
diff --git a/util/value.cpp b/util/value.cpp
index 136ca45..48fcfe1 100644
--- a/util/value.cpp
+++ b/util/value.cpp
@@ -7,8 +7,10 @@ int main()
 	std::cout << value["key"].as<std::string>() << "\n";
 	value["key"]["key"] = "value";
 	std::cout << value["key"]["key"].as<std::string>() << "\n";
-//	value[5] = "monkey";
-//	std::cout << value[5].as<std::string>() << "\n";
+	value[5] = "monkey";
+	std::cout << value[5].as<std::string>() << "\n";
+	value["monkey"] = 5;
+	std::cout << value["monkey"].as<int>() << "\n";
 	
 	return 0;
 }