From e99509abde688315ac7a82d764b352e2e3312e61 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 25 Sep 2009 22:14:26 +0000
Subject: New Bu::Variant class.  Store anything in it, get it out again, find
 out it's type.  It's really just that easy.

More info, docs, and tweaks to come.
---
 src/variant.cpp | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 src/variant.cpp

(limited to 'src/variant.cpp')

diff --git a/src/variant.cpp b/src/variant.cpp
new file mode 100644
index 0000000..95eea88
--- /dev/null
+++ b/src/variant.cpp
@@ -0,0 +1,77 @@
+#include "bu/variant.h"
+
+namespace Bu
+{
+	Formatter &operator<<( Formatter &f, const FString &s );
+};
+
+Bu::VariantTypeRoot::VariantTypeRoot()
+{
+}
+
+Bu::VariantTypeRoot::~VariantTypeRoot()
+{
+}
+
+Bu::Variant::Variant() :
+	pCore( NULL )
+{
+}
+
+Bu::Variant::~Variant()
+{
+}
+
+bool Bu::Variant::isSet()
+{
+	return pCore != NULL;
+}
+
+Bu::FString Bu::Variant::toString() const
+{
+	if( !pCore )
+		return "***NO DATA***";
+	return pCore->toString();
+}
+
+const std::type_info &Bu::Variant::getType() const
+{
+	if( !pCore )
+	{
+		throw Bu::ExceptionBase("No data!");
+	}
+	return pCore->getType();
+}
+
+Bu::Variant &Bu::Variant::operator=( const Bu::Variant &rhs )
+{
+	if( pCore )
+	{
+		delete pCore;
+		pCore = NULL;
+	}
+	if( rhs.pCore )
+	{
+		pCore = rhs.pCore->clone();
+	}
+
+	return *this;
+}
+
+Bu::Formatter &Bu::operator<<( Bu::Formatter &f, const Bu::Variant &v )
+{
+	return f << v.toString();
+}
+
+template<> Bu::FString Bu::VariantType<int>::toString() const
+{
+	Bu::FString s;
+	s.format("%d", data );
+	return s;
+}
+
+template<> Bu::FString Bu::VariantType<bool>::toString() const
+{
+	return data?"true":"false";
+}
+
-- 
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