sdrangel/sdrbase/util/message.h

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///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2015 F4EXB //
// written by Edouard Griffiths //
// //
// This program 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 as version 3 of the License, or //
// (at your option) any later version. //
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// //
// This program 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 V3 for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program. If not, see <http://www.gnu.org/licenses/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef INCLUDE_MESSAGE_H
#define INCLUDE_MESSAGE_H
#include <stdlib.h>
#include "export.h"
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class SDRBASE_API Message {
public:
Message();
virtual ~Message();
virtual const char* getIdentifier() const;
virtual bool matchIdentifier(const char* identifier) const;
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static bool match(const Message* message);
void* getDestination() const { return m_destination; }
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void setDestination(void *destination) { m_destination = destination; }
protected:
// addressing
static const char* m_identifier;
void* m_destination;
};
#define MESSAGE_CLASS_DECLARATION \
public: \
const char* getIdentifier() const; \
bool matchIdentifier(const char* identifier) const; \
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static bool match(const Message& message); \
protected: \
static const char* m_identifier; \
private:
#define MESSAGE_CLASS_DEFINITION(Name, BaseClass) \
const char* Name::m_identifier = #Name; \
const char* Name::getIdentifier() const { return m_identifier; } \
bool Name::matchIdentifier(const char* identifier) const {\
return (m_identifier == identifier) ? true : BaseClass::matchIdentifier(identifier); \
} \
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bool Name::match(const Message& message) { return message.matchIdentifier(m_identifier); }
#endif // INCLUDE_MESSAGE_H