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OpenFOAM-dev / data /src /OpenFOAM /containers /Lists /FixedList /FixedListIO.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2019 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/>.
\*---------------------------------------------------------------------------*/

#include "FixedList.H"
#include "Istream.H"
#include "Ostream.H"
#include "token.H"
#include "contiguous.H"

// * * * * * * * * * * * * * * * IOstream Functions  * * * * * * * * * * * * //

template<class T, unsigned Size>
void Foam::writeEntry(Ostream& os, const FixedList<T, Size>& l)
{
    writeListEntry(os, l);
}


// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //

template<class T, unsigned Size>
Foam::FixedList<T, Size>::FixedList(Istream& is)
{
    operator>>(is, *this);
}


template<class T, unsigned Size>
Foam::Istream& Foam::operator>>(Foam::Istream& is, FixedList<T, Size>& L)
{
    is.fatalCheck("operator>>(Istream&, FixedList<T, Size>&)");

    if (is.format() == IOstream::ASCII || !contiguous<T>())
    {
        token firstToken(is);

        is.fatalCheck
        (
            "operator>>(Istream&, FixedList<T, Size>&) : reading first token"
        );

        if (firstToken.isCompound())
        {
            L = dynamicCast<token::Compound<List<T>>>
            (
                firstToken.transferCompoundToken(is)
            );
        }
        else if (firstToken.isLabel())
        {
            label s = firstToken.labelToken();

            // Set list length to that read
            L.checkSize(s);
        }
        else if (!firstToken.isPunctuation())
        {
            FatalIOErrorInFunction(is)
                << "incorrect first token, expected <label> "
                   "or '(' or '{', found "
                << firstToken.info()
                << exit(FatalIOError);
        }
        else
        {
            // Putback the opening bracket
            is.putBack(firstToken);
        }

        // Read beginning of contents
        char delimiter = is.readBeginList("FixedList");

        if (delimiter == token::BEGIN_LIST)
        {
            for (unsigned i=0; i<Size; i++)
            {
                is >> L[i];

                is.fatalCheck
                (
                    "operator>>(Istream&, FixedList<T, Size>&) : "
                    "reading entry"
                );
            }
        }
        else
        {
            T element;
            is >> element;

            is.fatalCheck
            (
                "operator>>(Istream&, FixedList<T, Size>&) : "
                "reading the single entry"
            );

            for (unsigned i=0; i<Size; i++)
            {
                L[i] = element;
            }
        }

        // Read end of contents
        is.readEndList("FixedList");
    }
    else
    {
        is.read(reinterpret_cast<char*>(L.data()), Size*sizeof(T));

        is.fatalCheck
        (
            "operator>>(Istream&, FixedList<T, Size>&) : "
            "reading the binary block"
        );
    }

    return is;
}


// * * * * * * * * * * * * * * * Ostream Operator *  * * * * * * * * * * * * //

template<class T, unsigned Size>
Foam::Ostream& Foam::operator<<(Ostream& os, const FixedList<T, Size>& L)
{
    // Write list contents depending on data format
    if (os.format() == IOstream::ASCII || !contiguous<T>())
    {
        bool uniform = false;

        if (Size > 1 && contiguous<T>())
        {
            uniform = true;

            forAll(L, i)
            {
                if (L[i] != L[0])
                {
                    uniform = false;
                    break;
                }
            }
        }

        if (uniform)
        {
            // Write size (so it is valid dictionary entry) and start delimiter
            os << L.size() << token::BEGIN_BLOCK;

            // Write contents
            os << L[0];

            // Write end delimiter
            os << token::END_BLOCK;
        }
        else if (Size <= 1 ||(Size < 11 && contiguous<T>()))
        {
            // Write start delimiter
            os << token::BEGIN_LIST;

            // Write contents
            forAll(L, i)
            {
                if (i > 0) os << token::SPACE;
                os << L[i];
            }

            // Write end delimiter
            os << token::END_LIST;
        }
        else
        {
            // Write start delimiter
            os << nl << token::BEGIN_LIST;

            // Write contents
            forAll(L, i)
            {
                os << nl << L[i];
            }

            // Write end delimiter
            os << nl << token::END_LIST << nl;
        }
    }
    else
    {
        os.write(reinterpret_cast<const char*>(L.cdata()), Size*sizeof(T));
    }

    // Check state of IOstream
    os.check("Ostream& operator<<(Ostream&, const FixedList&)");

    return os;
}


// ************************************************************************* //

	/---------------------------------------------------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Copyright (C) 2011-2019 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/>.

	\---------------------------------------------------------------------------/

	#include "FixedList.H"
	#include "Istream.H"
	#include "Ostream.H"
	#include "token.H"
	#include "contiguous.H"

	// * * * * * * * * * * * * * * * IOstream Functions * * * * * * * * * * * * //

	template<class T, unsigned Size>
	void Foam::writeEntry(Ostream& os, const FixedList<T, Size>& l)
	{
	writeListEntry(os, l);
	}


	// * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //

	template<class T, unsigned Size>
	Foam::FixedList<T, Size>::FixedList(Istream& is)
	{
	operator>>(is, *this);
	}


	template<class T, unsigned Size>
	Foam::Istream& Foam::operator>>(Foam::Istream& is, FixedList<T, Size>& L)
	{
	is.fatalCheck("operator>>(Istream&, FixedList<T, Size>&)");

	if (is.format() == IOstream::ASCII \|\| !contiguous<T>())
	{
	token firstToken(is);

	is.fatalCheck
	(
	"operator>>(Istream&, FixedList<T, Size>&) : reading first token"
	);

	if (firstToken.isCompound())
	{
	L = dynamicCast<token::Compound<List<T>>>
	(
	firstToken.transferCompoundToken(is)
	);
	}
	else if (firstToken.isLabel())
	{
	label s = firstToken.labelToken();

	// Set list length to that read
	L.checkSize(s);
	}
	else if (!firstToken.isPunctuation())
	{
	FatalIOErrorInFunction(is)
	<< "incorrect first token, expected <label> "
	"or '(' or '{', found "
	<< firstToken.info()
	<< exit(FatalIOError);
	}
	else
	{
	// Putback the opening bracket
	is.putBack(firstToken);
	}

	// Read beginning of contents
	char delimiter = is.readBeginList("FixedList");

	if (delimiter == token::BEGIN_LIST)
	{
	for (unsigned i=0; i<Size; i++)
	{
	is >> L[i];

	is.fatalCheck
	(
	"operator>>(Istream&, FixedList<T, Size>&) : "
	"reading entry"
	);
	}
	}
	else
	{
	T element;
	is >> element;

	is.fatalCheck
	(
	"operator>>(Istream&, FixedList<T, Size>&) : "
	"reading the single entry"
	);

	for (unsigned i=0; i<Size; i++)
	{
	L[i] = element;
	}
	}

	// Read end of contents
	is.readEndList("FixedList");
	}
	else
	{
	is.read(reinterpret_cast<char>(L.data()), Sizesizeof(T));

	is.fatalCheck
	(
	"operator>>(Istream&, FixedList<T, Size>&) : "
	"reading the binary block"
	);
	}

	return is;
	}


	// * * * * * * * * * * * * * * * Ostream Operator * * * * * * * * * * * * * //

	template<class T, unsigned Size>
	Foam::Ostream& Foam::operator<<(Ostream& os, const FixedList<T, Size>& L)
	{
	// Write list contents depending on data format
	if (os.format() == IOstream::ASCII \|\| !contiguous<T>())
	{
	bool uniform = false;

	if (Size > 1 && contiguous<T>())
	{
	uniform = true;

	forAll(L, i)
	{
	if (L[i] != L[0])
	{
	uniform = false;
	break;
	}
	}
	}

	if (uniform)
	{
	// Write size (so it is valid dictionary entry) and start delimiter
	os << L.size() << token::BEGIN_BLOCK;

	// Write contents
	os << L[0];

	// Write end delimiter
	os << token::END_BLOCK;
	}
	else if (Size <= 1 \|\|(Size < 11 && contiguous<T>()))
	{
	// Write start delimiter
	os << token::BEGIN_LIST;

	// Write contents
	forAll(L, i)
	{
	if (i > 0) os << token::SPACE;
	os << L[i];
	}

	// Write end delimiter
	os << token::END_LIST;
	}
	else
	{
	// Write start delimiter
	os << nl << token::BEGIN_LIST;

	// Write contents
	forAll(L, i)
	{
	os << nl << L[i];
	}

	// Write end delimiter
	os << nl << token::END_LIST << nl;
	}
	}
	else
	{
	os.write(reinterpret_cast<const char>(L.cdata()), Sizesizeof(T));
	}

	// Check state of IOstream
	os.check("Ostream& operator<<(Ostream&, const FixedList&)");

	return os;
	}


	// ************************************************************************* //