Merged emitter branch into trunk, changes r105:r151

src/indentation.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "ostream.h"
+#include <iostream>
+
+namespace YAML
+{
+	struct Indentation {
+		Indentation(unsigned n_): n(n_) {}
+		unsigned n;
+	};
+	
+	inline ostream& operator << (ostream& out, const Indentation& indent) {
+		for(unsigned i=0;i<indent.n;i++)
+			out << ' ';
+		return out;
+	}
+
+	struct IndentTo {
+		IndentTo(unsigned n_): n(n_) {}
+		unsigned n;
+	};
+	
+	inline ostream& operator << (ostream& out, const IndentTo& indent) {
+		while(out.col() < indent.n)
+			out << ' ';
+		return out;
+	}
+}
+