IStringStream.H
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5  \\ / A nd | Copyright (C) 2011-2019 OpenFOAM Foundation
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14  (at your option) any later version.
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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 string and name
79  (
80  const string& name,
81  const string& buffer,
84  )
85  :
86  ISstream
87  (
88  *(new std::istringstream(buffer)),
89  name,
90  format,
91  version
92  )
93  {}
94 
95 
96  //- Construct from char*
98  (
99  const char* buffer,
102  )
103  :
104  ISstream
105  (
106  *(new std::istringstream(buffer)),
107  "IStringStream.sourceFile",
108  format,
109  version
110  )
111  {}
112 
113 
114  //- Destructor
116  {
117  delete &dynamic_cast<std::istringstream&>(stdStream());
118  }
119 
120 
121  // Member Functions
122 
123  // Access
124 
125  //- Return the string
126  string str() const
127  {
128  return dynamic_cast<const std::istringstream&>
129  (
130  stdStream()
131  ).str();
132  }
133 
134 
135  // Print
136 
137  //- Print description to Ostream
138  void print(Ostream&) const;
139 
140 
141  // Member Operators
142 
143  //- Return a non-const reference to const Istream
144  // Needed for read-constructors where the stream argument is temporary:
145  // e.g. thing thisThing(IFstream("thingFileName")());
146  Istream& operator()() const
147  {
148  return const_cast<IStringStream&>(*this);
149  }
150 };
151 
152 
153 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
154 
155 } // End namespace Foam
156 
157 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
158 
159 #endif
160 
161 // ************************************************************************* //
Istream & operator()() const
Return a non-const reference to const Istream.
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
versionNumber version() const
Return the stream version.
Definition: IOstream.H:399
string str() const
Return the string.
streamFormat
Enumeration for the format of data in the stream.
Definition: IOstream.H:86
streamFormat format() const
Return current stream format.
Definition: IOstream.H:377
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:54
virtual istream & stdStream()
Access to underlying std::istream.
Definition: ISstream.H:185
IStringStream(const string &buffer, streamFormat format=ASCII, versionNumber version=currentVersion)
Construct from string.
Definition: IStringStream.H:60
~IStringStream()
Destructor.
Generic input stream.
Definition: ISstream.H:51
static const versionNumber currentVersion
Current version number.
Definition: IOstream.H:206
Input from memory buffer stream.
Definition: IStringStream.H:49
Version number type.
Definition: IOstream.H:96
void print(Ostream &) const
Print description to Ostream.
Namespace for OpenFOAM.