1 files changed, 50 insertions, 0 deletions
diff --git a/project2/definedColumns.h b/project2/definedColumns.h
new file mode 100644
index 0000000..d6f2ba3
--- /dev/null
+++ b/project2/definedColumns.h
@@ -0,0 +1,50 @@
+#ifndef DEFINEDCOLUMNS_H
+#define DEFINEDCOLUMNS_H
+
+#include <libxml++/nodes/element.h>
+#include <boost/multi_index_container.hpp>
+#include <boost/multi_index/member.hpp>
+#include <boost/multi_index/ordered_index.hpp>
+#include "variables.h"
+#include "rowSet.h"
+
+class DefinedColumns : public RowSet {
+	public:
+		DefinedColumns(const xmlpp::Element *);
+
+		unsigned int columnCount() const;
+		const Glib::ustring & getColumnName(unsigned int col) const;
+		VariableType getCurrentValue(const Glib::ustring & id) const;
+		VariableType getCurrentValue(unsigned int col) const;
+		bool isNull(unsigned int col) const;
+		bool isNull(const Glib::ustring & id) const;
+
+	protected:
+		class Column {
+			public:
+				Column(unsigned int idx, const Glib::ustring &);
+				Column(unsigned int idx, const xmlpp::Element * p);
+
+				void operator=(const VariableType &) const;
+
+				const unsigned int idx;
+				const Glib::ustring col;
+				mutable VariableType value;
+				const Variable defValue;
+		};
+		struct byColIdx {};
+		struct byColName {};
+		typedef boost::multi_index::multi_index_container<
+			Column,
+			boost::multi_index::indexed_by<
+				boost::multi_index::ordered_unique<
+				boost::multi_index::tag<byColName>, BOOST_MULTI_INDEX_MEMBER(Column, const Glib::ustring, col)>,
+				boost::multi_index::ordered_unique<
+				boost::multi_index::tag<byColIdx>,  BOOST_MULTI_INDEX_MEMBER(Column, const unsigned int, idx)>
+				> > Columns;
+		mutable Columns columns;
+};
+
+#endif
+
+