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# qbytearraymatcher.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QBYTEARRAYMATCHER_H
    00043 #define QBYTEARRAYMATCHER_H
    00044
    00045 #include <QtCore/qbytearray.h>
    00046
    00047 QT_BEGIN_HEADER
    00048
    00049 QT_BEGIN_NAMESPACE
    00050
    00051 QT_MODULE(Core)
    00052
    00053 class QByteArrayMatcherPrivate;
    00054
    00055 class Q_CORE_EXPORT QByteArrayMatcher
    00056 {
    00057 public:
    00058     QByteArrayMatcher();
    00059     explicit QByteArrayMatcher(const QByteArray &pattern);
    00060     explicit QByteArrayMatcher(const char *pattern, int length);
    00061     QByteArrayMatcher(const QByteArrayMatcher &other);
    00062     ~QByteArrayMatcher();
    00063
    00064     QByteArrayMatcher &operator=(const QByteArrayMatcher &other);
    00065
    00066     void setPattern(const QByteArray &pattern);
    00067
    00068     int indexIn(const QByteArray &ba, int from = 0) const;
    00069     int indexIn(const char *str, int len, int from = 0) const;
    00070     inline QByteArray pattern() const
    00071     {
    00072         if (q_pattern.isNull())
    00073             return QByteArray(reinterpret_cast<const char*>(p.p), p.l);
    00074         return q_pattern;
    00075     }
    00076
    00077 private:
    00078     QByteArrayMatcherPrivate *d;
    00079     QByteArray q_pattern;
    00080 #ifdef Q_CC_RVCT
    00081 // explicitly allow anonymous unions for RVCT to prevent compiler warnings
    00082 #  pragma push
    00083 #  pragma anon_unions
    00084 #endif
    00085     struct Data {
    00086         uchar q_skiptable[256];
    00087         const uchar *p;
    00088         int l;
    00089     };
    00090     union {
    00091         uint dummy[256];
    00092         Data p;
    00093     };
    00094 #ifdef Q_CC_RVCT
    00095 #  pragma pop
    00096 #endif
    00097 };
    00098
    00099 QT_END_NAMESPACE
    00100
    00101 QT_END_HEADER
    00102
    00103 #endif // QBYTEARRAYMATCHER_H