Replaced direct emitter writing with an accessor to a C-string

include/emitter.h

@@ -15,8 +15,9 @@ namespace YAML
 		Emitter();
 		~Emitter();
 		
-		bool WriteToStream(std::ostream& out) const;
-		bool WriteToFile(const std::string& fileName) const;
+		// output
+		const char *c_str() const;
+		unsigned size() const;
 		
 		// state checking
 		bool good() const;

include/ostream.h

@@ -16,6 +16,7 @@ namespace YAML
 		
 		unsigned row() const { return m_row; }
 		unsigned col() const { return m_col; }
+		unsigned pos() const { return m_pos; }
 		
 	private:
 		char *m_buffer;