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00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2005 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software; you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by the 00013 Free Software Foundation; either version 2 of the License, or (at your 00014 option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM; if not, write to the Free Software Foundation, 00023 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00024 00025 Class 00026 IFstream 00027 00028 Description 00029 Input from file stream. 00030 00031 SourceFiles 00032 IFstream.C 00033 00034 \*---------------------------------------------------------------------------*/ 00035 00036 #ifndef IFstream_H 00037 #define IFstream_H 00038 00039 #include "ISstream.H" 00040 #include "fileName.H" 00041 #include "className.H" 00042 00043 #include <fstream> 00044 using std::ifstream; 00045 00046 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00047 00048 namespace Foam 00049 { 00050 00051 class IFstream; 00052 00053 /*---------------------------------------------------------------------------*\ 00054 Class IFstreamAllocator Declaration 00055 \*---------------------------------------------------------------------------*/ 00056 00057 class IFstreamAllocator 00058 { 00059 friend class IFstream; 00060 00061 // Private data 00062 00063 istream* ifPtr_; 00064 IOstream::compressionType compression_; 00065 00066 00067 // Constructors 00068 00069 //- Construct from pathname 00070 IFstreamAllocator(const fileName& pathname); 00071 00072 00073 // Destructor 00074 00075 ~IFstreamAllocator(); 00076 }; 00077 00078 00079 /*---------------------------------------------------------------------------*\ 00080 Class IFstream Declaration 00081 \*---------------------------------------------------------------------------*/ 00082 00083 class IFstream 00084 : 00085 private IFstreamAllocator, 00086 public ISstream 00087 { 00088 // Private data 00089 00090 fileName pathname_; 00091 00092 public: 00093 00094 // Declare name of the class and it's debug switch 00095 ClassName("IFstream"); 00096 00097 00098 // Constructors 00099 00100 //- Construct from pathname 00101 IFstream 00102 ( 00103 const fileName& pathname, 00104 streamFormat format=ASCII, 00105 versionNumber version=currentVersion 00106 ); 00107 00108 00109 // Destructor 00110 00111 ~IFstream(); 00112 00113 00114 // Member functions 00115 00116 // Access 00117 00118 //- Return the name of the stream 00119 const fileName& name() const 00120 { 00121 return pathname_; 00122 } 00123 00124 //- Return non-const access to the name of the stream 00125 fileName& name() 00126 { 00127 return pathname_; 00128 } 00129 00130 00131 // Print 00132 00133 //- Print description of IOstream to Ostream 00134 virtual void print(Ostream&) const; 00135 00136 00137 // Member operators 00138 00139 //- Return a non-const reference to const IFstream 00140 // Needed for read-constructors where the stream argument is temporary: 00141 // e.g. thing thisThing(IFstream("thingFileName")()); 00142 IFstream& operator()() const; 00143 }; 00144 00145 00146 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00147 00148 } // End namespace Foam 00149 00150 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00151 00152 #endif 00153 00154 // ************************************************************************* //