summaryrefslogtreecommitdiffstats
path: root/src/corelib/tools/qregexp.h
blob: 30f09496a5891621fa48b66bc30c9ce0ccf8fd79 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QREGEXP_H
#define QREGEXP_H

#ifndef QT_NO_REGEXP

#include <QtCore/qstring.h>
#ifdef QT3_SUPPORT
#include <new>
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

struct QRegExpPrivate;
class QStringList;

class Q_CORE_EXPORT QRegExp
{
public:
    enum PatternSyntax { RegExp, Wildcard, FixedString, RegExp2, W3CXmlSchema11 };
    enum CaretMode { CaretAtZero, CaretAtOffset, CaretWontMatch };

    QRegExp();
    explicit QRegExp(const QString &pattern, Qt::CaseSensitivity cs = Qt::CaseSensitive,
		     PatternSyntax syntax = RegExp);
    QRegExp(const QRegExp &rx);
    ~QRegExp();
    QRegExp &operator=(const QRegExp &rx);

    bool operator==(const QRegExp &rx) const;
    inline bool operator!=(const QRegExp &rx) const { return !operator==(rx); }

    bool isEmpty() const;
    bool isValid() const;
    QString pattern() const;
    void setPattern(const QString &pattern);
    Qt::CaseSensitivity caseSensitivity() const;
    void setCaseSensitivity(Qt::CaseSensitivity cs);
#ifdef QT3_SUPPORT
    inline QT3_SUPPORT bool caseSensitive() const { return caseSensitivity() == Qt::CaseSensitive; }
    inline QT3_SUPPORT void setCaseSensitive(bool sensitive)
    { setCaseSensitivity(sensitive ? Qt::CaseSensitive : Qt::CaseInsensitive); }
#endif
    PatternSyntax patternSyntax() const;
    void setPatternSyntax(PatternSyntax syntax);
#ifdef QT3_SUPPORT
    inline QT3_SUPPORT bool wildcard() const { return patternSyntax() == Wildcard; }
    inline QT3_SUPPORT void setWildcard(bool aWildcard)
    { setPatternSyntax(aWildcard ? Wildcard : RegExp); }
#endif

    bool isMinimal() const;
    void setMinimal(bool minimal);
#ifdef QT3_SUPPORT
    inline QT3_SUPPORT bool minimal() const { return isMinimal(); }
#endif

    bool exactMatch(const QString &str) const;

    int indexIn(const QString &str, int offset = 0, CaretMode caretMode = CaretAtZero) const;
    int lastIndexIn(const QString &str, int offset = -1, CaretMode caretMode = CaretAtZero) const;
#ifdef QT3_SUPPORT
    inline QT3_SUPPORT int search(const QString &str, int from = 0,
                                CaretMode caretMode = CaretAtZero) const
    { return indexIn(str, from, caretMode); }
    inline QT3_SUPPORT int searchRev(const QString &str, int from = -1,
                                   CaretMode caretMode = CaretAtZero) const
    { return lastIndexIn(str, from, caretMode); }
#endif
    int matchedLength() const;
#ifndef QT_NO_REGEXP_CAPTURE
    int numCaptures() const;
    QStringList capturedTexts() const;
    QStringList capturedTexts();
    QString cap(int nth = 0) const;
    QString cap(int nth = 0);
    int pos(int nth = 0) const;
    int pos(int nth = 0);
    QString errorString() const;
    QString errorString();
#endif

    static QString escape(const QString &str);

#ifdef QT3_SUPPORT
    inline QT3_SUPPORT_CONSTRUCTOR QRegExp(const QString &aPattern, bool cs, bool aWildcard = false)
    {
        new (this)
            QRegExp(aPattern, cs ? Qt::CaseSensitive : Qt::CaseInsensitive,
                    aWildcard ? Wildcard : RegExp);
    }
#endif

private:
    QRegExpPrivate *priv;
};

Q_DECLARE_TYPEINFO(QRegExp, Q_MOVABLE_TYPE);

#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &out, const QRegExp &regExp);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &in, QRegExp &regExp);
#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_REGEXP

#endif // QREGEXP_H