PLearn 0.1
StdPStreamBuf.h
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00001 // -*- C++ -*-
00002 
00003 // StdPStreamBuf.h
00004 //
00005 // Copyright (C) 2004 Pascal Vincent 
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: StdPStreamBuf.h 4287 2005-10-20 16:29:47Z plearner $ 
00037  ******************************************************* */
00038 
00039 // Authors: Pascal Vincent
00040 
00043 
00044 
00045 #ifndef StdPStreamBuf_INC
00046 #define StdPStreamBuf_INC
00047 
00048 #include "PStreamBuf.h"
00049 #include <iostream>
00050 
00051 namespace PLearn {
00052 using namespace std;
00053 
00054 class StdPStreamBuf: public PStreamBuf
00055 {
00056 
00057 private:
00058   
00059     typedef PStreamBuf inherited;
00060 
00061 protected:
00062     // *********************
00063     // * protected options *
00064     // *********************
00065     istream* pin;  
00066     ostream* pout; 
00067     bool own_pin, own_pout; 
00068 
00069 public:
00070 
00071     // Default constructor, make sure the implementation in the .cc
00072     // initializes all fields to reasonable default values.
00073     StdPStreamBuf();
00074 
00076     StdPStreamBuf(istream* pin_, bool own_pin_=false);
00077 
00079     StdPStreamBuf(ostream* pout_, bool own_pout_=false);
00080 
00082     StdPStreamBuf(iostream* pios_, bool own_pios_=false);
00083 
00085     StdPStreamBuf(istream* pin_, ostream* pout_, bool own_pin_=false, bool own_pout_=false);
00086 
00087     virtual ~StdPStreamBuf();
00088 
00089 
00090     void setIn(istream* pin_, bool own_pin_=false);
00091 
00092     void setOut(ostream* pout_, bool own_pout_=false);
00093 
00094 
00095     // ******************
00096     // * Object methods *
00097     // ******************
00098 
00099 protected: 
00100 
00101     virtual streamsize read_(char* p, streamsize n);
00102 
00104     virtual void write_(const char* p, streamsize n);
00105 
00106 public:
00107 
00108     inline istream* rawin() { return pin; }   
00109     inline ostream* rawout() { return pout; }
00110 
00111     virtual bool good() const;
00112 };
00113 
00114 } // end of namespace PLearn
00115 
00116 #endif
00117 
00118 
00119 /*
00120   Local Variables:
00121   mode:c++
00122   c-basic-offset:4
00123   c-file-style:"stroustrup"
00124   c-file-offsets:((innamespace . 0)(inline-open . 0))
00125   indent-tabs-mode:nil
00126   fill-column:79
00127   End:
00128 */
00129 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=79 :
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