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88 lines
2.3 KiB
88 lines
2.3 KiB
/*
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Copyright (C) 2000 Stefan Westerfeld
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stefan@space.twc.de
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef VIRTUALPORTS_H
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#define VIRTUALPORTS_H
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#include "gslschedule.h"
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#include <list>
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/*
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* BC - Status (2002-03-08): VPortConnection, VPort.
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*
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* None of these classes is considered part of the public API. Do NOT use it
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* in your apps. These are part of the implementation of libartsflow's
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* StdFlowSystem, and subject to change with the needs of it.
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*/
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namespace Arts {
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class VPortConnection {
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private:
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friend class VPort;
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VPort *source;
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VPort *dest;
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public:
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enum Style { vcForward, vcMasquerade, vcConnect, vcTransport } style;
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VPortConnection(VPort *source, VPort *dest, Style style);
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~VPortConnection();
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};
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class VPort {
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private:
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friend class VPortConnection;
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protected:
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Port *port;
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std::string _name;
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std::list<VPortConnection *> incoming, outgoing;
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void makeTransport(VPortConnection *conn);
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void removeTransport(VPortConnection *conn);
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void expandHelper(VPortConnection *conn, int state, VPort *current,
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VPort *source, VPort *dest, bool remove);
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bool makeVirtualizeParams(VPort *forward, VPort *& source, VPort *& dest,
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VPortConnection::Style &style);
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const char *name();
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public:
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VPort(Port *p);
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~VPort();
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void setFloatValue(float value);
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void connect(VPort *vport);
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void disconnect(VPort *port);
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/**
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* a->virtualize(b) means that the functionality that port a should provide
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* (produce or consume data) is really provided by port b
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*/
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void virtualize(VPort *port);
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void devirtualize(VPort *port);
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};
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}
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#endif /* VIRTUALPORTS_H */
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