qt-everywhere-src-5.14.1/qtbase/src/corelib/mimetypes/qmimemagicrulematcher.cpp

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#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