1 files changed, 78 insertions, 0 deletions
diff --git a/project2/common/variables-modliteral.cpp b/project2/common/variables-modliteral.cpp
new file mode 100644
index 0000000..8c165ee
--- /dev/null
+++ b/project2/common/variables-modliteral.cpp
@@ -0,0 +1,78 @@
+#include "variables-modliteral.h"
+#include "scripts.h"
+#include <stdio.h>
+#include <boost/foreach.hpp>
+#include <boost/bind.hpp>
+
+/// Variable implementation whose value is a literal value of some known type
+VariableLiteral::VariableLiteral(const Glib::ustring & src, const VT_typeID format) :
+	val(VariableType::make(src, format))
+{
+}
+
+template <typename X, typename Y>
+static
+void
+append(VariableLiteral::Vals * vals, const Y & y) 
+{
+	vals->push_back(new X(y));
+}
+
+VariableLiteral::VariableLiteral(ScriptNodePtr s) {
+	try {
+		val = VariableType::make(s->value("value"), VariableType::getTypeFromName(s->value("type", "")));
+	}
+	catch (const ValueNotFound &) {
+		s->composeWithCallbacks(
+				boost::bind(&append<TextPart, Glib::ustring>, &vals, _1),
+				boost::bind(&append<VarPart, ScriptNodePtr>, &vals, _1));
+	}
+}
+
+VariableType
+VariableLiteral::value() const
+{
+	if (vals.empty()) {
+		return val;
+	}
+	if (vals.size() == 1) {
+		return *vals.front();
+	}
+	Glib::ustring v;
+	BOOST_FOREACH(PartCPtr p, vals) {
+		p->appendTo(v);
+	}
+	return v;
+}
+
+VariableLiteral::TextPart::TextPart(const Glib::ustring & e) :
+	txt(e)
+{
+}
+void
+VariableLiteral::TextPart::appendTo(Glib::ustring & str) const
+{
+	str += txt;
+}
+VariableLiteral::TextPart::operator VariableType() const
+{
+	return txt;
+}
+
+VariableLiteral::VarPart::VarPart(ScriptNodePtr e) : Variable(e)
+{
+}
+void
+VariableLiteral::VarPart::appendTo(Glib::ustring & str) const
+{
+	str += (*this)().operator const Glib::ustring &();
+}
+VariableLiteral::VarPart::operator VariableType() const
+{
+	return (*this)();
+}
+
+DECLARE_COMPONENT_LOADER("literal", VariableLiteral, VariableLoader);
+DECLARE_CUSTOM_COMPONENT_LOADER("", VariableLiteralDef, VariableLoaderImpl<VariableLiteral>, VariableLoader);
+
+