src/OpenFOAM/db/IOstreams/Tstreams/ITstream.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   4    \\    /   O peration     |
   5     \\  /    A nd           | Copyright (C) 1991-2009 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 the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     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, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 \*---------------------------------------------------------------------------*/
  26
  27 #include "error.H"
  28 #include "ITstream.H"
  29
  30 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  31
  32 void Foam::ITstream::print(Ostream& os) const
  33 {
  34     os  << "ITstream : " << name_.c_str();
  35
  36     if (size())
  37     {
  38         if (begin()->lineNumber() == rbegin()->lineNumber())
  39         {
  40             os  << ", line " << begin()->lineNumber() << ", ";
  41         }
  42         else
  43         {
  44             os  << ", lines " << begin()->lineNumber()
  45                 << '-' << rbegin()->lineNumber() << ", ";
  46         }
  47     }
  48     else
  49     {
  50         os  << ", line " << lineNumber() << ", ";
  51     }
  52
  53     IOstream::print(os);
  54 }
  55
  56
  57 Foam::Istream& Foam::ITstream::read(token& t)
  58 {
  59     // Return the put back token if it exists
  60     if (Istream::getBack(t))
  61     {
  62         lineNumber_ = t.lineNumber();
  63         return *this;
  64     }
  65
  66     if (tokenIndex_ < size())
  67     {
  68         t = operator[](tokenIndex_++);
  69         lineNumber_ = t.lineNumber();
  70
  71         if (tokenIndex_ == size())
  72         {
  73             setEof();
  74         }
  75     }
  76     else
  77     {
  78         if (eof())
  79         {
  80             FatalIOErrorIn
  81             (
  82                 "ITstream::read(token& t)",
  83                 *this
  84             )   << "attempt to read beyond EOF"
  85                 << exit(FatalIOError);
  86
  87             setBad();
  88         }
  89         else
  90         {
  91             setEof();
  92         }
  93
  94         if (size())
  95         {
  96             token::undefinedToken.lineNumber()
  97                 = operator[](size() - 1).lineNumber();
  98         }
  99         else
 100         {
 101             token::undefinedToken.lineNumber() = lineNumber();
 102         }
 103
 104         t = token::undefinedToken;
 105     }
 106
 107     return *this;
 108 }
 109
 110
 111 Foam::Istream& Foam::ITstream::read(char&)
 112 {
 113     notImplemented("Istream& ITstream::read(char& c)");
 114     return *this;
 115 }
 116
 117
 118 Foam::Istream& Foam::ITstream::read(word&)
 119 {
 120     notImplemented("Istream& ITstream::read(word&)");
 121     return *this;
 122 }
 123
 124
 125 Foam::Istream& Foam::ITstream::read(string&)
 126 {
 127     notImplemented("Istream& ITstream::read(string&)");
 128     return *this;
 129 }
 130
 131
 132 Foam::Istream& Foam::ITstream::read(label&)
 133 {
 134     notImplemented("Istream& ITstream::read(label&)");
 135     return *this;
 136 }
 137
 138
 139 Foam::Istream& Foam::ITstream::read(floatScalar&)
 140 {
 141     notImplemented("Istream& ITstream::read(floatScalar&)");
 142     return *this;
 143 }
 144
 145
 146 Foam::Istream& Foam::ITstream::read(doubleScalar&)
 147 {
 148     notImplemented("Istream& ITstream::read(doubleScalar&)");
 149     return *this;
 150 }
 151
 152
 153 Foam::Istream& Foam::ITstream::read(char*, std::streamsize)
 154 {
 155     notImplemented("Istream& ITstream::read(char*, std::streamsize)");
 156     return *this;
 157 }
 158
 159
 160 // Rewind the token stream so that it may be read again
 161 Foam::Istream& Foam::ITstream::rewind()
 162 {
 163     tokenIndex_ = 0;
 164
 165     if (size())
 166     {
 167         lineNumber_ = operator[](0).lineNumber();
 168     }
 169
 170     setGood();
 171
 172     return *this;
 173 }
 174
 175
 176 // ************************************************************************* //