1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtCore module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#define QT_NO_CAST_FROM_ASCII
41
42#include "qmimemagicrulematcher_p.h"
43
44#include "qmimetype_p.h"
45
46QT_BEGIN_NAMESPACE
47
48/*!
49 \internal
50 \class QMimeMagicRuleMatcher
51 \inmodule QtCore
52
53 \brief The QMimeMagicRuleMatcher class checks a number of rules based on operator "or".
54
55 It is used for rules parsed from XML files.
56
57 \sa QMimeType, QMimeDatabase, MagicRule, MagicStringRule, MagicByteRule, GlobPattern
58 \sa QMimeTypeParserBase, MimeTypeParser
59*/
60
61QMimeMagicRuleMatcher::QMimeMagicRuleMatcher(const QString &mime, unsigned thePriority) :
62 m_list(),
63 m_priority(thePriority),
64 m_mimetype(mime)
65{
66}
67
68bool QMimeMagicRuleMatcher::operator==(const QMimeMagicRuleMatcher &other) const
69{
70 return m_list == other.m_list &&
71 m_priority == other.m_priority;
72}
73
74void QMimeMagicRuleMatcher::addRule(const QMimeMagicRule &rule)
75{
76 m_list.append(t: rule);
77}
78
79void QMimeMagicRuleMatcher::addRules(const QList<QMimeMagicRule> &rules)
80{
81 m_list.append(t: rules);
82}
83
84QList<QMimeMagicRule> QMimeMagicRuleMatcher::magicRules() const
85{
86 return m_list;
87}
88
89// Check for a match on contents of a file
90bool QMimeMagicRuleMatcher::matches(const QByteArray &data) const
91{
92 for (const QMimeMagicRule &magicRule : m_list) {
93 if (magicRule.matches(data))
94 return true;
95 }
96
97 return false;
98}
99
100// Return a priority value from 1..100
101unsigned QMimeMagicRuleMatcher::priority() const
102{
103 return m_priority;
104}
105
106QT_END_NAMESPACE
107

source code of qtbase/src/corelib/mimetypes/qmimemagicrulematcher.cpp