C++ (Cpp) Istream::readBeginList Examples

Example #1

File: HashPtrTableIO.C Project: CFMS/foam-extend-foam-extend-3.2

void Foam::HashPtrTable<T, Key, Hash>::read(Istream& is, const INew& inewt)
{
    is.fatalCheck("HashPtrTable<T, Key, Hash>::read(Istream&, const INew&)");

    token firstToken(is);

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

    if (firstToken.isLabel())
    {
        label s = firstToken.labelToken();

        // Read beginning of contents
        char delimiter = is.readBeginList("HashPtrTable<T, Key, Hash>");

        if (s)
        {
            if (2*s > this->tableSize_)
            {
                this->resize(2*s);
            }

            if (delimiter == token::BEGIN_LIST)
            {
                for (label i=0; i<s; i++)
                {
                    Key key;
                    is >> key;
                    this->insert(key, inewt(key, is).ptr());

                    is.fatalCheck
                    (
                        "HashPtrTable<T, Key, Hash>::"
                        "read(Istream&, const INew&) : reading entry"
                    );
                }
            }
            else
            {
                FatalIOErrorIn
                (
                    "HashPtrTable<T, Key, Hash>::read(Istream&, const INew&)",
                    is
                )   << "incorrect first token, '(', found " << firstToken.info()
                    << exit(FatalIOError);
            }
        }

Example #2

File: LPtrListIO.C Project: AmaneShino/OpenFOAM-2.0.x

void Foam::LPtrList<LListBase, T>::read(Istream& is, const INew& iNew)
{
    is.fatalCheck
    (
        "LPtrList<LListBase, T>::read(Istream&, const INew&)"
    );

    token firstToken(is);

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

    if (firstToken.isLabel())
    {
        label s = firstToken.labelToken();

        // Read beginning of contents
        char delimiter = is.readBeginList("LPtrList<LListBase, T>");

        if (s)
        {
            if (delimiter == token::BEGIN_LIST)
            {
                for (label i=0; i<s; ++i)
                {
                    this->append(iNew(is).ptr());

                    is.fatalCheck
                    (
                        "LPtrList<LListBase, T>::read(Istream&, const INew&) : "
                        "reading entry"
                    );
                }
            }
            else
            {
                T* tPtr = iNew(is).ptr();
                this->append(tPtr);

                is.fatalCheck
                (
                    "LPtrList<LListBase, T>::read(Istream&, const INew&) : "
                    "reading entry"
                );

                for (label i=1; i<s; ++i)
                {
                    this->append(tPtr->clone().ptr());
                }
            }
        }

        // Read end of contents
        is.readEndList("LPtrList<LListBase, T>");
    }
    else if (firstToken.isPunctuation())
    {
        if (firstToken.pToken() != token::BEGIN_LIST)
        {
            FatalIOErrorIn
            (
                "LPtrList<LListBase, T>::read(Istream&, const INew&)",
                is
            )   << "incorrect first token, '(', found " << firstToken.info()
                << exit(FatalIOError);
        }

        token lastToken(is);
        is.fatalCheck("LPtrList<LListBase, T>::read(Istream&, const INew&)");

        while
        (
           !(
                lastToken.isPunctuation()
             && lastToken.pToken() == token::END_LIST
            )
        )
        {
            is.putBack(lastToken);
            this->append(iNew(is).ptr());

            is >> lastToken;
            is.fatalCheck
            (
                "LPtrList<LListBase, T>::read(Istream&, const INew&)"
            );
        }
    }
    else
    {