FreeFOAM The Cross-Platform CFD Toolkit
uintIO.C
Go to the documentation of this file.
1 /*---------------------------------------------------------------------------*\
2  ========= |
3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration |
5  \\ / A nd | Copyright (C) 1991-2010 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
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 Description
25  Reads an uint from an input stream, for a given version
26  number and File format. If an ascii File is being read,
27  then the line numbers are counted and an erroneous read
28  ised.
29 
30 \*---------------------------------------------------------------------------*/
31 
32 #include <OpenFOAM/error.H>
33 
34 #include "uint.H"
35 #include <OpenFOAM/IOstreams.H>
36 
37 #include <sstream>
38 
39 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
40 
41 Foam::word Foam::name(const unsigned int val)
42 {
43  std::ostringstream buf;
44  buf << val;
45  return buf.str();
46 }
47 
48 // * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
49 
50 Foam::Istream& Foam::operator>>(Istream& is, unsigned int& i)
51 {
52  token t(is);
53 
54  if (!t.good())
55  {
56  is.setBad();
57  return is;
58  }
59 
60  if (t.isLabel())
61  {
62  i = static_cast<unsigned int>(t.labelToken());
63  }
64  else
65  {
66  is.setBad();
67  FatalIOErrorIn("operator>>(Istream&, unsigned int&)", is)
68  << "wrong token type - expected unsigned int found " << t.info()
69  << exit(FatalIOError);
70 
71  return is;
72  }
73 
74  // Check state of Istream
75  is.check("Istream& operator>>(Istream&, unsigned int&)");
76 
77  return is;
78 }
79 
80 
81 unsigned int Foam::readUint(Istream& is)
82 {
83  unsigned int val;
84  is >> val;
85 
86  return val;
87 }
88 
89 
90 Foam::Ostream& Foam::operator<<(Ostream& os, const unsigned int i)
91 {
92  os.write(label(i));
93  os.check("Ostream& operator<<(Ostream&, const unsigned int)");
94  return os;
95 }
96 
97 
98 // ************************ vim: set sw=4 sts=4 et: ************************ //