From 30e841d5b6f082bce1f98c6df198aeea28a2d95b Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 17 Mar 2011 23:14:52 +0000
Subject: Tweaks to the variant class make it much cooler, and there's a
 test/tool called format, it's a proof of concept of a text formatter.  I
 think it's gonna' rock.

---
 src/tools/format.cpp | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 src/tools/format.cpp

(limited to 'src/tools')

diff --git a/src/tools/format.cpp b/src/tools/format.cpp
new file mode 100644
index 0000000..6a2f3bd
--- /dev/null
+++ b/src/tools/format.cpp
@@ -0,0 +1,88 @@
+#include <bu/string.h>
+#include <bu/formatter.h>
+#include <bu/sio.h>
+#include <bu/variant.h>
+#include <bu/membuf.h>
+
+using namespace Bu;
+
+class Fmter
+{
+public:
+	Fmter( const Bu::String &sSrc ) :
+		sSrc( sSrc )
+	{
+	}
+
+	template<typename T>
+	Fmter &arg( const T &x )
+	{
+		lParm.append( Pair( x ) );
+
+		return *this;
+	}
+
+	template<typename T>
+	Fmter &arg( const T &x, Bu::Formatter::Fmt f )
+	{
+		lParm.append( Pair( x, f ) );
+
+		return *this;
+	}
+
+	operator Bu::String() const
+	{
+		Bu::MemBuf mbOut;
+		Bu::Formatter f( mbOut );
+		ParmList::const_iterator i = lParm.begin();
+		for( Bu::String::const_iterator s = sSrc.begin(); s; s++ )
+		{
+			if( *s == '%' )
+			{
+				f << (*i).format << (*i).value;
+				i++;
+			}
+			else
+			{
+				f << *s;
+			}
+		}
+
+		return mbOut.getString();
+	}
+
+private:
+	const Bu::String &sSrc;
+	class Pair
+	{
+	public:
+		template<typename T>
+		Pair( const T &v ) :
+			value( v )
+		{
+		}
+
+		template<typename T>
+		Pair( const T &v, Bu::Formatter::Fmt f ) :
+			value( v ),
+			format( f )
+		{
+		}
+
+		Bu::Variant value;
+		Bu::Formatter::Fmt format;
+	};
+	typedef Bu::List<Pair> ParmList;
+	ParmList lParm;
+};
+
+Bu::Formatter &operator<<( Bu::Formatter &f, const Fmter &r )
+{
+	return f << (Bu::String)r;
+}
+
+int main()
+{
+	sio << Fmter("A word is % and a number is % %.").arg("Hello").arg(75, Fmt::hex() ).arg(" - ") << sio.nl;
+}
+
-- 
cgit v1.2.3