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

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
   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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Class
  26     Foam::OStringStream
  27
  28 Description
  29     Output to memory buffer stream.
  30
  31 SourceFiles
  32     Mprint.C
  33
  34 \*---------------------------------------------------------------------------*/
  35
  36 #ifndef OStringStream_H
  37 #define OStringStream_H
  38
  39 #include "OSstream.H"
  40
  41 #include <sstream>
  42
  43 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  44
  45 namespace Foam
  46 {
  47
  48 /*---------------------------------------------------------------------------*\
  49                            Class OStringStream Declaration
  50 \*---------------------------------------------------------------------------*/
  51
  52 class OStringStream
  53 :
  54     public OSstream
  55 {
  56
  57 public:
  58
  59     // Constructors
  60
  61         //- Set stream status
  62         OStringStream
  63         (
  64             streamFormat format=ASCII,
  65             versionNumber version=currentVersion
  66         )
  67         :
  68             OSstream
  69             (
  70                *(new std::ostringstream()),
  71                 "OStringStream.sinkFile",
  72                 format,
  73                 version
  74             )
  75         {}
  76
  77         //- Construct as copy
  78         OStringStream(const OStringStream& oss)
  79         :
  80             OSstream
  81             (
  82                *(
  83                     new std::ostringstream
  84                     (
  85                         dynamic_cast<const std::ostringstream&>
  86                         (
  87                             oss.stream()
  88                         ).str()
  89                     )
  90                 ),
  91                 oss.name(),
  92                 oss.format(),
  93                 oss.version()
  94             )
  95         {}
  96
  97
  98     // Destructor
  99
 100         ~OStringStream()
 101         {
 102             delete &dynamic_cast<std::ostringstream&>(stream());
 103         }
 104
 105
 106     // Member functions
 107
 108         // Access
 109
 110             string str() const
 111             {
 112                 return dynamic_cast<const std::ostringstream&>(stream()).str();
 113             }
 114
 115
 116         // Edit
 117
 118             //- Clear the OStringStream
 119             void rewind()
 120             {
 121 #               if __GNUC__ < 4 && __GNUC_MINOR__ < 4
 122                 stream().rdbuf()->pubsetbuf(" ", 1);
 123 #               else
 124                 stream().rdbuf()->pubseekpos(0);
 125 #               endif
 126             }
 127
 128
 129         // Print
 130
 131             //- Print description OM IOstream to Ostream
 132             void print(Ostream&) const;
 133 };
 134
 135
 136 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 137
 138 } // End namespace Foam
 139
 140 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 141
 142 #endif
 143
 144 // ************************************************************************* //