FreeFOAM The Cross-Platform CFD Toolkit
ulongIO.C
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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 a ulong from an input stream.
26 
27 \*---------------------------------------------------------------------------*/
28 
29 #include <OpenFOAM/error.H>
30 
31 #include "ulong.H"
32 #include <OpenFOAM/IOstreams.H>
33 
34 #include <sstream>
35 
36 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
37 
38 Foam::word Foam::name(const unsigned long val)
39 {
40  std::ostringstream buf;
41  buf << val;
42  return buf.str();
43 }
44 
45 // * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
46 
47 Foam::Istream& Foam::operator>>(Istream& is, unsigned long& val)
48 {
49  token t(is);
50 
51  if (!t.good())
52  {
53  is.setBad();
54  return is;
55  }
56 
57  if (t.isLabel())
58  {
59  val = static_cast<unsigned long>(t.labelToken());
60  }
61  else
62  {
63  is.setBad();
64  FatalIOErrorIn("operator>>(Istream&, unsigned long&)", is)
65  << "wrong token type - expected unsigned long found " << t.info()
66  << exit(FatalIOError);
67 
68  return is;
69  }
70 
71  // Check state of Istream
72  is.check("Istream& operator>>(Istream&, unsigned long&)");
73 
74  return is;
75 }
76 
77 
78 unsigned long Foam::readUlong(Istream& is)
79 {
80  unsigned long val;
81  is >> val;
82 
83  return val;
84 }
85 
86 
87 Foam::Ostream& Foam::operator<<(Ostream& os, const unsigned long val)
88 {
89  os.write(label(val));
90  os.check("Ostream& operator<<(Ostream&, const unsigned long)");
91  return os;
92 }
93 
94 
95 // ************************ vim: set sw=4 sts=4 et: ************************ //