src/OpenFOAM/db/IOstreams/StringStreams/IStringStream.H

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
   6      \\/     M anipulation  |
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by
  13     the Free Software Foundation, either version 3 of the License, or
  14     (at your option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 Class
  25     Foam::IStringStream
  26
  27 Description
  28     Input from memory buffer stream.
  29
  30 SourceFiles
  31     StringStreamsPrint.C
  32
  33 \*---------------------------------------------------------------------------*/
  34
  35 #ifndef IStringStream_H
  36 #define IStringStream_H
  37
  38 #include "ISstream.H"
  39 #include <sstream>
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42
  43 namespace Foam
  44 {
  45
  46 /*---------------------------------------------------------------------------*\
  47                            Class IStringStream Declaration
  48 \*---------------------------------------------------------------------------*/
  49
  50 class IStringStream
  51 :
  52     public ISstream
  53 {
  54
  55 public:
  56
  57     // Constructors
  58
  59         //- Construct from string
  60         IStringStream
  61         (
  62             const string& buffer,
  63             streamFormat format=ASCII,
  64             versionNumber version=currentVersion
  65         )
  66         :
  67             ISstream
  68             (
  69                 *(new std::istringstream(buffer)),
  70                 "IStringStream.sourceFile",
  71                 format,
  72                 version
  73             )
  74         {}
  75
  76
  77         //- Construct from char*
  78         IStringStream
  79         (
  80             const char* buffer,
  81             streamFormat format=ASCII,
  82             versionNumber version=currentVersion
  83         )
  84         :
  85             ISstream
  86             (
  87                 *(new std::istringstream(buffer)),
  88                 "IStringStream.sourceFile",
  89                 format,
  90                 version
  91             )
  92         {}
  93
  94
  95     //- Destructor
  96     ~IStringStream()
  97     {
  98         delete &dynamic_cast<std::istringstream&>(stdStream());
  99     }
 100
 101
 102     // Member functions
 103
 104         // Access
 105
 106             //- Return the string
 107             string str() const
 108             {
 109                 return dynamic_cast<const std::istringstream&>
 110                 (
 111                     stdStream()
 112                 ).str();
 113             }
 114
 115
 116         // Print
 117
 118             //- Print description to Ostream
 119             void print(Ostream&) const;
 120
 121
 122     // Member operators
 123
 124         //- Return a non-const reference to const Istream
 125         //  Needed for read-constructors where the stream argument is temporary:
 126         //  e.g. thing thisThing(IFstream("thingFileName")());
 127         Istream& operator()() const
 128         {
 129             return const_cast<IStringStream&>(*this);
 130         }
 131 };
 132
 133
 134 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 135
 136 } // End namespace Foam
 137
 138 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 139
 140 #endif
 141
 142 // ************************************************************************* //