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) 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::OStringStream
  26
  27 Description
  28     Output to memory buffer stream.
  29
  30 SourceFiles
  31     StringStreamsPrint.C
  32
  33 \*---------------------------------------------------------------------------*/
  34
  35 #ifndef OStringStream_H
  36 #define OStringStream_H
  37
  38 #include "OSstream.H"
  39 #include <sstream>
  40
  41 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  42
  43 namespace Foam
  44 {
  45
  46 /*---------------------------------------------------------------------------*\
  47                         Class OStringStream Declaration
  48 \*---------------------------------------------------------------------------*/
  49
  50 class OStringStream
  51 :
  52     public OSstream
  53 {
  54
  55 public:
  56
  57     // Constructors
  58
  59         //- Construct and set stream status
  60         OStringStream
  61         (
  62             streamFormat format=ASCII,
  63             versionNumber version=currentVersion
  64         )
  65         :
  66             OSstream
  67             (
  68                *(new std::ostringstream()),
  69                 "OStringStream.sinkFile",
  70                 format,
  71                 version
  72             )
  73         {}
  74
  75         //- Construct as copy
  76         OStringStream(const OStringStream& oss)
  77         :
  78             OSstream
  79             (
  80                *(
  81                     new std::ostringstream
  82                     (
  83                         dynamic_cast<const std::ostringstream&>
  84                         (
  85                             oss.stdStream()
  86                         ).str()
  87                     )
  88                 ),
  89                 oss.name(),
  90                 oss.format(),
  91                 oss.version()
  92             )
  93         {}
  94
  95
  96     //- Destructor
  97     ~OStringStream()
  98     {
  99         delete &dynamic_cast<std::ostringstream&>(stdStream());
 100     }
 101
 102
 103     // Member functions
 104
 105         // Access
 106
 107             //- Return the string
 108             string str() const
 109             {
 110                 return dynamic_cast<const std::ostringstream&>
 111                 (
 112                     stdStream()
 113                 ).str();
 114             }
 115
 116
 117         // Edit
 118
 119             //- Clear the OStringStream
 120             void rewind()
 121             {
 122 #               if __GNUC__ < 4 && __GNUC_MINOR__ < 4
 123                 stdStream().rdbuf()->pubsetbuf(" ", 1);
 124 #               else
 125                 stdStream().rdbuf()->pubseekpos(0);
 126 #               endif
 127             }
 128
 129
 130         // Print
 131
 132             //- Print description to Ostream
 133             void print(Ostream&) const;
 134 };
 135
 136
 137 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 138
 139 } // End namespace Foam
 140
 141 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 142
 143 #endif
 144
 145 // ************************************************************************* //