PLearn 0.1
PrPStreamBuf.h
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00001 // -*- C++ -*-
00002 
00003 // PrPStreamBuf.h
00004 //
00005 // Copyright (C) 2004 Christian Hudon 
00006 // 
00007 // Redistribution and use in source and binary forms, with or without
00008 // modification, are permitted provided that the following conditions are met:
00009 // 
00010 //  1. Redistributions of source code must retain the above copyright
00011 //     notice, this list of conditions and the following disclaimer.
00012 // 
00013 //  2. Redistributions in binary form must reproduce the above copyright
00014 //     notice, this list of conditions and the following disclaimer in the
00015 //     documentation and/or other materials provided with the distribution.
00016 // 
00017 //  3. The name of the authors may not be used to endorse or promote
00018 //     products derived from this software without specific prior written
00019 //     permission.
00020 // 
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
00024 // NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00025 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
00026 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00027 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00028 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00029 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00030 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 // 
00032 // This file is part of the PLearn library. For more information on the PLearn
00033 // library, go to the PLearn Web site at www.plearn.org
00034 
00035 /* *******************************************************      
00036  * $Id: PrPStreamBuf.h 3994 2005-08-25 13:35:03Z chapados $ 
00037  ******************************************************* */
00038 
00039 // Authors: Christian Hudon
00040 
00044 #ifndef PrPStreamBuf_INC
00045 #define PrPStreamBuf_INC
00046 
00047 #include "PStreamBuf.h"
00048 
00049 struct PRFileDesc;
00050 
00051 
00052 namespace PLearn {
00053 
00054 class Poll;
00055   
00058 class PrPStreamBuf: public PStreamBuf
00059 {
00060     friend class PLearn::Poll;
00061   
00062 private:
00063   
00064     typedef PStreamBuf inherited;
00065 
00066 protected:
00067     // *********************
00068     // * protected options *
00069     // *********************
00070 
00071     PRFileDesc* in;   
00072     PRFileDesc* out;  
00073     bool own_in, own_out; 
00074 
00075 public:
00076 
00077     PrPStreamBuf(PRFileDesc* in=0, PRFileDesc* out=0,
00078                  bool own_in_=false, bool own_out_=false);
00079     virtual ~PrPStreamBuf();
00080 
00081 protected:
00082 
00083     virtual streamsize read_(char* p, streamsize n);
00084 
00086     virtual void write_(const char* p, streamsize n);
00087 
00088 };
00089 
00090 } // end of namespace PLearn
00091 
00092 #endif
00093 
00094 
00095 /*
00096   Local Variables:
00097   mode:c++
00098   c-basic-offset:4
00099   c-file-style:"stroustrup"
00100   c-file-offsets:((innamespace . 0)(inline-open . 0))
00101   indent-tabs-mode:nil
00102   fill-column:79
00103   End:
00104 */
00105 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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