1 files changed, 69 insertions, 0 deletions
diff --git a/src/libs/engine/DataType.h b/src/libs/engine/DataType.h
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+++ b/src/libs/engine/DataType.h
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+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Om is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef DATATYPE_H
+#define DATATYPE_H
+
+namespace Om
+{
+
+
+/** A data type that can be stored in a Port.
+ *
+ * Eventually the goal is to be able to just have to create a new one of these
+ * to have Om support a new data type.
+ */
+class DataType {
+public:
+
+	enum Symbol {
+		UNKNOWN = 0,
+		FLOAT   = 1,
+		MIDI    = 2
+	};
+
+	DataType(const string& uri)
+	: _symbol(UNKNOWN)
+	{
+		if (uri== type_uris[MIDI]) {
+			_symbol = MIDI;
+		} else if (uri == type_uris[FLOAT]) {
+			_symbol = FLOAT;
+		}
+	}
+
+	DataType(Symbol symbol)
+	: _symbol(symbol)
+	{}
+
+	const char* const uri() const { return type_uris[_symbol]; }
+
+	inline bool operator==(const Symbol& symbol) const { return (_symbol == symbol); }
+	inline bool operator!=(const Symbol& symbol) const { return (_symbol != symbol); }
+	inline bool operator==(const DataType& type) const { return (_symbol == type._symbol); }
+	inline bool operator!=(const DataType& type) const { return (_symbol != type._symbol); }
+private:
+	Symbol _symbol;
+
+	// Defined in Port.cpp for no good reason
+	static const char* const type_uris[3];
+};
+
+
+
+} // namespace Om
+
+#endif // DATATYPE_H