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int64IO.C
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1 /*---------------------------------------------------------------------------*\
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3  \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
4  \\ / O peration | Website: https://openfoam.org
5  \\ / A nd | Copyright (C) 2014-2018 OpenFOAM Foundation
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25 
26 #include "int64.H"
27 #include "IOstreams.H"
28 
29 #include <inttypes.h>
30 #include <sstream>
31 #include <cerrno>
32 
33 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
34 
35 Foam::word Foam::name(const int64_t val)
36 {
37  std::ostringstream buf;
38  buf << val;
39  return buf.str();
40 }
41 
42 
43 // * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
44 
46 {
47  token t(is);
48 
49  if (!t.good())
50  {
51  is.setBad();
52  return is;
53  }
54 
55  if (t.isLabel())
56  {
57  i = int64_t(t.labelToken());
58  }
59  else
60  {
61  is.setBad();
63  << "wrong token type - expected int64_t, found " << t.info()
64  << exit(FatalIOError);
65 
66  return is;
67  }
68 
69  // Check state of Istream
70  is.check("Istream& operator>>(Istream&, int64_t&)");
71 
72  return is;
73 }
74 
75 
77 {
78  int64_t val;
79  is >> val;
80 
81  return val;
82 }
83 
84 
85 bool Foam::read(const char* buf, int64_t& s)
86 {
87  char *endptr = nullptr;
88  errno = 0;
89  intmax_t l = strtoimax(buf, &endptr, 10);
90  s = int64_t(l);
91  return (*endptr == 0) && (errno == 0);
92 }
93 
94 
95 Foam::Ostream& Foam::operator<<(Ostream& os, const int64_t i)
96 {
97  os.write(label(i));
98  os.check("Ostream& operator<<(Ostream&, const int64_t)");
99  return os;
100 }
101 
102 
103 // ************************************************************************* //
bool isLabel() const
Definition: tokenI.H:392
virtual Ostream & write(const char)=0
Write character.
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
errorManipArg< error, int > exit(error &err, const int errNo=1)
Definition: errorManip.H:124
virtual bool check(const char *operation) const
Check IOstream status for given operation.
Definition: IOstream.C:92
InfoProxy< token > info() const
Return info proxy.
Definition: token.H:391
An Istream is an abstract base class for all input systems (streams, files, token lists etc)...
Definition: Istream.H:57
A token holds items read from Istream.
Definition: token.H:72
64bit integer
Useful combination of include files which define Sin, Sout and Serr and the use of IO streams general...
void setBad()
Set stream to be bad.
Definition: IOstream.H:487
bool read(const char *, int32_t &)
Definition: int32IO.C:85
gmvFile<< "tracers "<< particles.size()<< nl;forAllConstIter(Cloud< passiveParticle >, particles, iter){ gmvFile<< iter().position().x()<< " ";}gmvFile<< nl;forAllConstIter(Cloud< passiveParticle >, particles, iter){ gmvFile<< iter().position().y()<< " ";}gmvFile<< nl;forAllConstIter(Cloud< passiveParticle >, particles, iter){ gmvFile<< iter().position().z()<< " ";}gmvFile<< nl;forAll(lagrangianScalarNames, i){ word name=lagrangianScalarNames[i];IOField< scalar > s(IOobject(name, runTime.timeName(), cloud::prefix, mesh, IOobject::MUST_READ, IOobject::NO_WRITE))
A class for handling words, derived from string.
Definition: word.H:59
Istream & operator>>(Istream &, directionInfo &)
bool good() const
Definition: tokenI.H:228
An Ostream is an abstract base class for all output systems (streams, files, token lists...
Definition: Ostream.H:54
int64_t readInt64(Istream &)
Definition: int64IO.C:76
word name(const complex &)
Return a string representation of a complex.
Definition: complex.C:47
#define FatalIOErrorInFunction(ios)
Report an error message using Foam::FatalIOError.
Definition: error.H:331
Ostream & operator<<(Ostream &, const ensightPart &)
label labelToken() const
Definition: tokenI.H:397
IOerror FatalIOError