streamchannel.h

来自「This software aims to create an applet a」· C头文件 代码 · 共 100 行

//
// StreamChannel.h
//
// $Id: //poco/Main/Foundation/include/Foundation/StreamChannel.h#5 $
//
// Definition of the StreamChannel class.
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
// 
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef Foundation_StreamChannel_INCLUDED
#define Foundation_StreamChannel_INCLUDED


#ifndef Foundation_Foundation_INCLUDED
#include "Foundation/Foundation.h"
#endif
#ifndef Foundation_Channel_INCLUDED
#include "Foundation/Channel.h"
#endif
#ifndef Foundation_Mutex_INCLUDED
#include "Foundation/Mutex.h"
#endif
#ifndef STD_OSTREAM_INCLUDED
#include <ostream>
#define STD_OSTREAM_INCLUDED
#endif


Foundation_BEGIN


class Foundation_API StreamChannel: public Channel
	/// A channel that writes to an ostream.
	///
	/// Only the message's text is written, followed
	/// by a newline.
	///
	/// Chain this channel to a FormattingChannel with an
	/// appropriate Formatter to control what is contained 
	/// in the text.
{
public:
	StreamChannel(std::ostream& str);
		/// Creates the channel.

	void log(const Message& msg);
		/// Logs the given message to the channel's stream.
		
protected:
	virtual ~StreamChannel();

private:
	std::ostream& _str;
	FastMutex     _mutex;
};


Foundation_END


#endif // Foundation_StreamChannel_INCLUDED