PLearn 0.1
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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 :