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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2025 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Class
Foam::ITstream
Description
Input token stream.
SourceFiles
ITstream.C
See also
Foam::OTstream
\*---------------------------------------------------------------------------*/
#ifndef ITstream_H
#define ITstream_H
#include "Istream.H"
#include "tokenList.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class ITstream Declaration
\*---------------------------------------------------------------------------*/
class ITstream
:
public Istream,
public tokenList
{
// Private Data
//- Name of ITstream
fileName name_;
//- Index of token currently being read
label tokenIndex_;
public:
// Constructors
//- Construct from components
ITstream
(
const string& name,
const streamFormat format = ASCII,
const versionNumber version = currentVersion,
const bool global = false
)
:
Istream(format, version, UNCOMPRESSED, global),
name_(name),
tokenIndex_(0)
{
setOpened();
setGood();
}
//- Construct from components and token
ITstream
(
const string& name,
const token& t,
const streamFormat format = ASCII,
const versionNumber version = currentVersion,
const bool global = false
)
:
Istream(format, version, UNCOMPRESSED, global),
tokenList(1, t),
name_(name),
tokenIndex_(0)
{
setOpened();
setGood();
}
//- Construct from components and token list
ITstream
(
const string& name,
const UList<token>& tokens,
const streamFormat format = ASCII,
const versionNumber version = currentVersion,
const bool global = false
)
:
Istream(format, version, UNCOMPRESSED, global),
tokenList(tokens),
name_(name),
tokenIndex_(0)
{
setOpened();
setGood();
}
//- Move construct from components, transferring the token list
ITstream
(
const string& name,
List<token>&& tokens,
const streamFormat format = ASCII,
const versionNumber version = currentVersion,
const bool global = false
)
:
Istream(format, version, UNCOMPRESSED, global),
tokenList(move(tokens)),
name_(name),
tokenIndex_(0)
{
setOpened();
setGood();
}
//- Copy constructor
ITstream(const ITstream& its)
:
Istream(ASCII, currentVersion),
tokenList(its),
name_(its.name_),
tokenIndex_(0)
{
setOpened();
setGood();
}
//- Destructor
virtual ~ITstream()
{}
// Member Functions
// Inquiry
//- Return the name of the stream
const fileName& name() const
{
return name_;
}
//- Return non-const access to the name of the stream
fileName& name()
{
return name_;
}
//- Return the current token index
label tokenIndex() const
{
return tokenIndex_;
}
//- Return non-const access to the current token index
label& tokenIndex()
{
return tokenIndex_;
}
//- Return the number of remaining tokens
label nRemainingTokens() const
{
return size() - tokenIndex_;
}
//- Return flags of output stream
ios_base::fmtflags flags() const
{
return ios_base::fmtflags(0);
}
// Read functions
//- Return next token from stream
virtual Istream& read(token&);
//- Read a character
virtual Istream& read(char&);
//- Read a word
virtual Istream& read(word&);
// Read a string (including enclosing double-quotes)
virtual Istream& read(string&);
//- Read an int32_t
virtual Istream& read(int32_t&);
//- Read an int64_t
virtual Istream& read(int64_t&);
//- Read a uint32_t
virtual Istream& read(uint32_t&);
//- Read a uint64_t
virtual Istream& read(uint64_t&);
//- Read a floatScalar
virtual Istream& read(floatScalar&);
//- Read a doubleScalar
virtual Istream& read(doubleScalar&);
//- Read a longDoubleScalar
virtual Istream& read(longDoubleScalar&);
//- Read binary block
virtual Istream& read(char*, std::streamsize);
//- Rewind and return the stream so that it may be read again
virtual Istream& rewind();
// Edit
//- Set flags of stream
ios_base::fmtflags flags(const ios_base::fmtflags)
{
return ios_base::fmtflags(0);
}
// Print
//- Print description of IOstream to Ostream
void print(Ostream&) const;
// Member Operators
//- Assignment operator
void operator=(const ITstream& its)
{
Istream::operator=(its);
tokenList::operator=(its);
name_ = its.name_;
tokenIndex_ = 0;
setOpened();
setGood();
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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