IStringStream.H
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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 |
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10 
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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
61  (
62  const string& buffer,
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*
79  (
80  const char* buffer,
83  )
84  :
85  ISstream
86  (
87  *(new std::istringstream(buffer)),
88  "IStringStream.sourceFile",
89  format,
90  version
91  )
92  {}
93 
94 
95  //- Destructor
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 // ************************************************************************* //
Input from memory buffer stream.
Definition: IStringStream.H:49
versionNumber version() const
Return the stream version.
Definition: IOstream.H:399
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
virtual istream & stdStream()
Access to underlying std::istream.
Definition: ISstream.H:178
Namespace for OpenFOAM.
streamFormat
Enumeration for the format of data in the stream.
Definition: IOstream.H:86
string str() const
Return the string.
IStringStream(const string &buffer, streamFormat format=ASCII, versionNumber version=currentVersion)
Construct from string.
Definition: IStringStream.H:60
streamFormat format() const
Return current stream format.
Definition: IOstream.H:377
~IStringStream()
Destructor.
Definition: IStringStream.H:95
Generic input stream.
Definition: ISstream.H:51
void print(Ostream &) const
Print description to Ostream.
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:53
Version number type.
Definition: IOstream.H:96
static const versionNumber currentVersion
Current version number.
Definition: IOstream.H:206
Istream & operator()() const
Return a non-const reference to const Istream.