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0c65fa6295
- ActiveMethod::operator () default argument value (convenient for arguments of Poco::Void type)
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
//
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// ActiveIOChannel.h
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//
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// $Id: //poco/Main/Data/include/Poco/ActiveIOChannel.h#1 $
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//
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// Library: Foundation
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// Package: Foundation
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// Module: ActiveIOChannel
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//
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// Definition of the ActiveIOChannel class.
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//
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// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTFoundationN WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#ifndef Foundation_ActiveIOChannel_INCLUDED
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#define Foundation_ActiveIOChannel_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/ActiveMethod.h"
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#include "Poco/Void.h"
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namespace Poco {
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template <class P>
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class ActiveIOChannel
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{
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public:
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ActiveIOChannel(P& channel):
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read(this, &ActiveIOChannel::readImpl),
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write(this, &ActiveIOChannel::writeImpl),
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_channel(channel)
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{
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}
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~ActiveIOChannel()
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{
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}
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Poco::ActiveMethod<std::string, Void, ActiveIOChannel> read;
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Poco::ActiveMethod<int, std::string, ActiveIOChannel> write;
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protected:
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std::string readImpl(const Void&)
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{
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std::string buffer;
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return _channel.read(buffer);
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}
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int writeImpl(const std::string& data)
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{
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return _channel.write(data);
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}
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private:
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P& _channel;
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};
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} // namespace Poco
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#endif // Foundation_ActiveIOChannel_INCLUDED
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