qmimemagicrulematcher.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#define QT_NO_CAST_FROM_ASCII
 
#include "qmimemagicrulematcher_p.h"
 
#include "qmimetype_p.h"
 
QT_BEGIN_NAMESPACE
 
/*!
    \internal
    \class QMimeMagicRuleMatcher
    \inmodule QtCore
 
    \brief The QMimeMagicRuleMatcher class checks a number of rules based on operator "or".
 
    It is used for rules parsed from XML files.
 
    \sa QMimeType, QMimeDatabase, MagicRule, MagicStringRule, MagicByteRule, GlobPattern
    \sa QMimeTypeParserBase, MimeTypeParser
*/
 
QMimeMagicRuleMatcher::QMimeMagicRuleMatcher(const QString &mime, unsigned thePriority) :
    m_list(),
    m_priority(thePriority),
    m_mimetype(mime)
{
}
 
bool QMimeMagicRuleMatcher::operator==(const QMimeMagicRuleMatcher &other) const
{
    return m_list == other.m_list &&
           m_priority == other.m_priority;
}
 
void QMimeMagicRuleMatcher::addRule(const QMimeMagicRule &rule)
{
    m_list.append(rule);
}
 
void QMimeMagicRuleMatcher::addRules(const QList<QMimeMagicRule> &rules)
{
    m_list.append(rules);
}
 
QList<QMimeMagicRule> QMimeMagicRuleMatcher::magicRules() const
{
    return m_list;
}
 
// Check for a match on contents of a file
bool QMimeMagicRuleMatcher::matches(const QByteArray &data) const
{
    for (const QMimeMagicRule &magicRule : m_list) {
        if (magicRule.matches(data))
            return true;
    }
 
    return false;
}
 
// Return a priority value from 1..100
unsigned QMimeMagicRuleMatcher::priority() const
{
    return m_priority;
}
 
QT_END_NAMESPACE