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#ifndef QBYTEARRAYMATCHER_H

#define QBYTEARRAYMATCHER_H

#include <QtCore/qbytearray.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

class QByteArrayMatcherPrivate;

class Q_CORE_EXPORT QByteArrayMatcher

{

public:

    QByteArrayMatcher();

    explicit QByteArrayMatcher(const QByteArray &pattern);

    explicit QByteArrayMatcher(const char *pattern, int length);

    QByteArrayMatcher(const QByteArrayMatcher &other);

    ~QByteArrayMatcher();

    QByteArrayMatcher &operator=(const QByteArrayMatcher &other);

    void setPattern(const QByteArray &pattern);

    int indexIn(const QByteArray &ba, int from = 0) const;

    int indexIn(const char *str, int len, int from = 0) const;

    inline QByteArray pattern() const

    {

        if (q_pattern.isNull())

            return QByteArray(reinterpret_cast<const char*>(p.p), p.l);

        return q_pattern;

    }

private:

    QByteArrayMatcherPrivate *d;

    QByteArray q_pattern;

#ifdef Q_CC_RVCT

// explicitely allow anonymous unions for RVCT to prevent compiler warnings

#  pragma push

#  pragma anon_unions

#endif

    struct Data {

        uchar q_skiptable[256];

        const uchar *p;

        int l;

    };

    union {

        uint dummy[256];

        Data p;

    };

#ifdef Q_CC_RVCT

#  pragma pop

#endif

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QBYTEARRAYMATCHER_H