QDataStream in(file);
in >> vecT;

QVector< T > vectT;
QDataStream in(file);
in << vectT;

struct MAC4Header
{
    enum { 
        SIGN_SIZE = 16, 
        LIB_IDENT_SIZE = 256 - SIGN_SIZE - 2 * sizeof(int) };
    enum {
        CUR_VERSION_MAJOR = 1,
        CUR_VERSION_MINOR = 0,
         };
    char  Signature[ SIGN_SIZE ];
    char  LibraryIdent[ LIB_IDENT_SIZE ];
    int   VersionMajor;
    int   VersionMinor;

    float Latb;
    float Late;
    float Lonb;
    float Lone;

    unsigned int Year;
    unsigned int Month;
    unsigned int Day;
    unsigned int Hour;
    unsigned int Min;
    unsigned int Sec;
    unsigned int Milliseconds;

    unsigned long Crc32;

    unsigned int ChartNumber;
    unsigned int SumSize;
};

QDataStream& operator>>(QDataStream& in, MAC4Header& lib_head)
    {
        QString libIdent;
        int _crc = 0;
        in >> libIdent;
        string libIdentificator = libIdent.toStdString();
        strcpy(lib_head.LibraryIdent, libIdentificator.c_str());
        in >> lib_head.VersionMajor >> lib_head.VersionMinor >> lib_head.Latb >> lib_head.Late >> lib_head.Lonb;
        in >> lib_head.Lone >> lib_head.Year >> lib_head.Month >> lib_head.Day >> lib_head.Hour >> lib_head.Min;
        in >> lib_head.Sec >> lib_head.Milliseconds >> lib_head.ChartNumber >> lib_head.SumSize >> _crc;
        lib_head.Crc32 = _crc;

        return in;
    }

bool LibReader::TRead()
    {
        bool ret = false;
        if(!open()) return ret;

        QDataStream in(file);
        int v = in.version();

        QVector<MAC4Header> libVec(1, MAC4Header());
        int size = libVec.size();
        in >> libVec;
        //libHeader = vecLib.front();
        
        /*QVector<MAC4Header*> libHeader(1);
        QVector<MAC4ChartHeader*> chartHeader;

        in >> libHeader;*/

        shutdown();
        return ret;
    }

/// Класс для чтения библиотек карт
    class LibReader
    {
    private:
        QFile* file;                                ///< файл для чтения библиотек карт
    public:
        LibReader(const QString fileName): file(new QFile(fileName)) {}
        ~LibReader() { delete file; }
        bool open() { if(isOpen()) shutdown(); file -> open(QIODevice::ReadOnly); return isOpen(); }
        bool isOpen() { return file -> isOpen(); }
        void setFilename(const QString fileName) { if(isOpen()) shutdown(); file -> setFileName(fileName); }
        void shutdown() { file -> close(); }
        bool exists() const { return file -> exists(); }
        bool TRead();
        bool loadCharts();
    };

Цитата(ViGOur @ 9.7.2008, 11:19)

struct _str 
{
    int y;
    QString s;
    double n;
    _str(): y(100), s("Hello, Kelly!"), n(0.9652) {}
};
QDataStream& operator>>(QDataStream& in, _str& ls);
QDataStream& operator<<(QDataStream& out, const _str& ls);


QDataStream& operator>>(QDataStream& in, _str& ls)
{
    in >> ls.y >> ls.s >> ls.n;
    return in;
}

QDataStream& operator<<(QDataStream& out, const _str& ls)
{
    out << ls.y << ls.s << ls.n;
    return out;
}

QFile fl("nt.dat");
fl.open(QIODevice::WriteOnly);
_str un;
QDataStream out(&fl);
out << un;
fl.close();

un.s = "YYY";
un.n = -0.18;
un.y = 1;

QFile fl1("nt.dat");
fl1.open(QIODevice::ReadOnly);
QDataStream in(&fl);
in >> un;
fl.close();

_str un;
QVector<_str> unv;
unv.push_back(un);

QFile fl("nt.dat");
fl.open(QIODevice::WriteOnly);
QDataStream out(&fl);
out << unv;
fl.close();

unv[0].y = 1;
unv[0].s = "Hi";
unv[0].n = 1.3;

QFile fl1("nt.dat");
fl1.open(QIODevice::ReadOnly);
QDataStream in(&fl);
in >> unv;
fl.close();

Цитата(Гость @ 9.7.2008, 13:40)

QDataStream in(&fl);

QDataStream in(&fl1);

QFile fl("nt.dat");
fl.open(QIODevice::WriteOnly);
_str un;
QDataStream out(&fl);
out << un;
fl.close();

un.s = "YYY";
un.n = -0.18;
un.y = 1;

QFile fl1("nt.dat");
fl1.open(QIODevice::ReadOnly);
QDataStream in(&fl1);
in >> un;
fl1.close();

    _str strIn;
    QFile f1("nt.dat");
    f1.open(QIODevice::WriteOnly);
    f1.write( (const char *)&strIn, sizeof( strIn));
    f1.close();

    _str strOut;
    strOut.n = .0123;
    strOut.s = "test";
    strOut.y = 1;

    QFile f2("nt.dat");
    f2.open(QIODevice::ReadOnly);
    f2.read( (char *)&strOut, sizeof( strOut));
    f2.close();