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OpenFOAM-dev / data /src /OpenFOAM /containers /Lists /PtrList /PtrListIO.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     | Website:  https://openfoam.org
    \\  /    A nd           | Copyright (C) 2011-2018 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 "PtrList.H"
#include "SLList.H"
#include "Istream.H"
#include "Ostream.H"
#include "INew.H"

// * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * * //

template<class T>
template<class INew>
void Foam::PtrList<T>::read(Istream& is, const INew& inewt)
{
    is.fatalCheck("PtrList<T>::read(Istream&, const INew&)");

    token firstToken(is);

    is.fatalCheck
    (
        "PtrList<T>::read(Istream&, const INew&) : "
        "reading first token"
    );

    if (firstToken.isLabel())
    {
        // Read size of list
        label s = firstToken.labelToken();

        setSize(s);

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

        if (s)
        {
            if (delimiter == token::BEGIN_LIST)
            {
                forAll(*this, i)
                {
                    set(i, inewt(is));

                    is.fatalCheck
                    (
                        "PtrList<T>::read(Istream&, const INew&) : "
                        "reading entry"
                    );
                }
            }
            else
            {
                T* tPtr = inewt(is).ptr();
                set(0, tPtr);

                is.fatalCheck
                (
                    "PtrList<T>::read(Istream&, const INew&) : "
                    "reading the single entry"
                );

                for (label i=1; i<s; i++)
                {
                    set(i, tPtr->clone());
                }
            }
        }

        // Read end of contents
        is.readEndList("PtrList");
    }
    else if (firstToken.isPunctuation())
    {
        if (firstToken.pToken() != token::BEGIN_LIST)
        {
            FatalIOErrorInFunction
            (
                is
            )   << "incorrect first token, '(', found " << firstToken.info()
                << exit(FatalIOError);
        }

        SLList<T*> sllPtrs;

        token lastToken(is);
        while
        (
           !(
                lastToken.isPunctuation()
             && lastToken.pToken() == token::END_LIST
            )
        )
        {
            is.putBack(lastToken);

            if (is.eof())
            {
                FatalIOErrorInFunction
                (
                    is
                )   << "Premature EOF after reading " << lastToken.info()
                    << exit(FatalIOError);
            }

            sllPtrs.append(inewt(is).ptr());
            is >> lastToken;
        }

        setSize(sllPtrs.size());

        label i = 0;
        for
        (
            typename SLList<T*>::iterator iter = sllPtrs.begin();
            iter != sllPtrs.end();
            ++iter
        )
        {
            set(i++, iter());
        }
    }
    else
    {
        FatalIOErrorInFunction
        (
            is
        )   << "incorrect first token, expected <int> or '(', found "
            << firstToken.info()
            << exit(FatalIOError);
    }
}


// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //

template<class T>
template<class INew>
Foam::PtrList<T>::PtrList(Istream& is, const INew& inewt)
{
    read(is, inewt);
}


template<class T>
Foam::PtrList<T>::PtrList(Istream& is)
{
    read(is, INew<T>());
}


// * * * * * * * * * * * * * * * Istream Operator  * * * * * * * * * * * * * //

template<class T>
Foam::Istream& Foam::operator>>(Istream& is, PtrList<T>& L)
{
    L.clear();
    L.read(is, INew<T>());

    return is;
}


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

	/---------------------------------------------------------------------------\
	========= \|
	\\ / F ield \| OpenFOAM: The Open Source CFD Toolbox
	\\ / O peration \| Website: https://openfoam.org
	\\ / A nd \| Copyright (C) 2011-2018 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 "PtrList.H"
	#include "SLList.H"
	#include "Istream.H"
	#include "Ostream.H"
	#include "INew.H"

	// * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * * //

	template<class T>
	template<class INew>
	void Foam::PtrList<T>::read(Istream& is, const INew& inewt)
	{
	is.fatalCheck("PtrList<T>::read(Istream&, const INew&)");

	token firstToken(is);

	is.fatalCheck
	(
	"PtrList<T>::read(Istream&, const INew&) : "
	"reading first token"
	);

	if (firstToken.isLabel())
	{
	// Read size of list
	label s = firstToken.labelToken();

	setSize(s);

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

	if (s)
	{
	if (delimiter == token::BEGIN_LIST)
	{
	forAll(*this, i)
	{
	set(i, inewt(is));

	is.fatalCheck
	(
	"PtrList<T>::read(Istream&, const INew&) : "
	"reading entry"
	);
	}
	}
	else
	{
	T* tPtr = inewt(is).ptr();
	set(0, tPtr);

	is.fatalCheck
	(
	"PtrList<T>::read(Istream&, const INew&) : "
	"reading the single entry"
	);

	for (label i=1; i<s; i++)
	{
	set(i, tPtr->clone());
	}
	}
	}

	// Read end of contents
	is.readEndList("PtrList");
	}
	else if (firstToken.isPunctuation())
	{
	if (firstToken.pToken() != token::BEGIN_LIST)
	{
	FatalIOErrorInFunction
	(
	is
	) << "incorrect first token, '(', found " << firstToken.info()
	<< exit(FatalIOError);
	}

	SLList<T*> sllPtrs;

	token lastToken(is);
	while
	(
	!(
	lastToken.isPunctuation()
	&& lastToken.pToken() == token::END_LIST
	)
	)
	{
	is.putBack(lastToken);

	if (is.eof())
	{
	FatalIOErrorInFunction
	(
	is
	) << "Premature EOF after reading " << lastToken.info()
	<< exit(FatalIOError);
	}

	sllPtrs.append(inewt(is).ptr());
	is >> lastToken;
	}

	setSize(sllPtrs.size());

	label i = 0;
	for
	(
	typename SLList<T*>::iterator iter = sllPtrs.begin();
	iter != sllPtrs.end();
	++iter
	)
	{
	set(i++, iter());
	}
	}
	else
	{
	FatalIOErrorInFunction
	(
	is
	) << "incorrect first token, expected <int> or '(', found "
	<< firstToken.info()
	<< exit(FatalIOError);
	}
	}


	// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //

	template<class T>
	template<class INew>
	Foam::PtrList<T>::PtrList(Istream& is, const INew& inewt)
	{
	read(is, inewt);
	}


	template<class T>
	Foam::PtrList<T>::PtrList(Istream& is)
	{
	read(is, INew<T>());
	}


	// * * * * * * * * * * * * * * * Istream Operator * * * * * * * * * * * * * //

	template<class T>
	Foam::Istream& Foam::operator>>(Istream& is, PtrList<T>& L)
	{
	L.clear();
	L.read(is, INew<T>());

	return is;
	}


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