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

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend 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 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  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.stream()
  86                         ).str()
  87                     )
  88                 ),
  89                 oss.name(),
  90                 oss.format(),
  91                 oss.version()
  92             )
  93         {}
  94
  95
  96     // Destructor
  97
  98         ~OStringStream()
  99         {
 100             delete &dynamic_cast<std::ostringstream&>(stream());
 101         }
 102
 103
 104     // Member functions
 105
 106         // Access
 107
 108             //- Return the string
 109             string str() const
 110             {
 111                 return dynamic_cast<const std::ostringstream&>(stream()).str();
 112             }
 113
 114
 115         // Edit
 116
 117             //- Clear the OStringStream
 118             void rewind()
 119             {
 120 #               if __GNUC__ < 4 && __GNUC_MINOR__ < 4
 121                 stream().rdbuf()->pubsetbuf(" ", 1);
 122 #               else
 123                 stream().rdbuf()->pubseekpos(0);
 124 #               endif
 125             }
 126
 127
 128         // Print
 129
 130             //- Print description to Ostream
 131             void print(Ostream&) const;
 132 };
 133
 134
 135 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 136
 137 } // End namespace Foam
 138
 139 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 140
 141 #endif
 142
 143 // ************************************************************************* //