From 4adc4f4a2b4f57f43affcd48f2c01c60f471b20a Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 19 Jun 2006 00:42:15 +0000
Subject: Renamed PortBase to TypedPort

git-svn-id: http://svn.drobilla.net/lad/grauph@60 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/engine/TypedPort.h | 84 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/libs/engine/TypedPort.h

(limited to 'src/libs/engine/TypedPort.h')

diff --git a/src/libs/engine/TypedPort.h b/src/libs/engine/TypedPort.h
new file mode 100644
index 00000000..e2ccaff4
--- /dev/null
+++ b/src/libs/engine/TypedPort.h
@@ -0,0 +1,84 @@
+/* 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 PORTBASE_H
+#define PORTBASE_H
+
+#include <string>
+#include "types.h"
+#include "Array.h"
+#include "Port.h"
+#include "Buffer.h"
+
+using std::string;
+
+namespace Om {
+	
+class MidiMessage;
+class Node;
+
+
+/** A port (with a type).
+ *
+ * This is basically just a buffer and a bunch of flags and helper methods.
+ * All the interesting functionality of ports is in InputPort.
+ *
+ * \ingroup engine
+ */
+template <typename T>
+class TypedPort : public Port
+{
+public:
+	virtual ~TypedPort();
+
+	void set_value(size_t voice, T val, size_t offset);
+	void set_value(T val, size_t offset);
+	
+	Buffer<T>* buffer(size_t voice) const { return m_buffers.at(voice); }
+	
+	virtual void prepare_buffers(size_t nframes);
+	virtual void clear_buffers();
+	
+	TypedPort* tied_port() const { return m_tied_port; }
+	void      untie()           { m_is_tied = false; m_tied_port = NULL; } 
+	
+	/** Used by drivers to prevent port from changing buffers */
+	void fixed_buffers(bool b) { m_fixed_buffers = b; }
+	bool fixed_buffers()       { return m_fixed_buffers; }
+
+protected:
+	TypedPort(Node* parent, const string& name, size_t index, size_t poly, DataType type, size_t buffer_size);
+	
+	// Prevent copies (undefined)
+	TypedPort(const TypedPort<T>& copy);
+	TypedPort& operator=(const Port&);
+
+	void allocate_buffers();
+
+	bool        m_fixed_buffers;
+	bool        m_is_tied;
+	TypedPort*   m_tied_port;
+	
+	Array<Buffer<T>*> m_buffers;
+};
+
+
+template class TypedPort<sample>;
+template class TypedPort<MidiMessage>;
+
+} // namespace Om
+
+#endif // PORTBASE_H
-- 
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