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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
******************************************************************************/
#ifndef QMIMETYPEPARSER_P_H
#define QMIMETYPEPARSER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qmimedatabase_p.h"
QT_REQUIRE_CONFIG(mimetype);
#include "qmimeprovider_p.h"
QT_BEGIN_NAMESPACE
class QIODevice;
class QMimeTypeParserBase
{
Q_DISABLE_COPY_MOVE(QMimeTypeParserBase)
public:
QMimeTypeParserBase() {}
virtual ~QMimeTypeParserBase() {}
bool parse(QIODevice *dev, const QString &fileName, QString *errorMessage);
static bool parseNumber(QStringView n, int *target, QString *errorMessage);
protected:
virtual bool process(const QMimeType &t, QString *errorMessage) = 0;
virtual bool process(const QMimeGlobPattern &t, QString *errorMessage) = 0;
virtual void processParent(const QString &child, const QString &parent) = 0;
virtual void processAlias(const QString &alias, const QString &name) = 0;
virtual void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) = 0;
private:
enum ParseState {
ParseBeginning,
ParseMimeInfo,
ParseMimeType,
ParseComment,
ParseGenericIcon,
ParseIcon,
ParseGlobPattern,
ParseGlobDeleteAll,
ParseSubClass,
ParseAlias,
ParseMagic,
ParseMagicMatchRule,
ParseOtherMimeTypeSubTag,
ParseError
};
static ParseState nextState(ParseState currentState, QStringView startElement);
};
class QMimeTypeParser : public QMimeTypeParserBase
{
public:
explicit QMimeTypeParser(QMimeXMLProvider &provider) : m_provider(provider) {}
protected:
inline bool process(const QMimeType &t, QString *) override
{ m_provider.addMimeType(t); return true; }
inline bool process(const QMimeGlobPattern &glob, QString *) override
{ m_provider.addGlobPattern(glob); return true; }
inline void processParent(const QString &child, const QString &parent) override
{ m_provider.addParent(child, parent); }
inline void processAlias(const QString &alias, const QString &name) override
{ m_provider.addAlias(alias, name); }
inline void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) override
{ m_provider.addMagicMatcher(matcher); }
private:
QMimeXMLProvider &m_provider;
};
QT_END_NAMESPACE
#endif // MIMETYPEPARSER_P_H
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