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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR LGPL-3.0
#pragma once
//
// 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 "mimedatabase_p.h"
#include "mimeprovider_p.h"
QT_BEGIN_NAMESPACE
class QIODevice;
QT_END_NAMESPACE
namespace Utils {
class MimeTypeParserBase
{
Q_DISABLE_COPY_MOVE(MimeTypeParserBase)
public:
MimeTypeParserBase() {}
virtual ~MimeTypeParserBase() {}
bool parse(QIODevice *dev, const QString &fileName, QString *errorMessage);
static bool parseNumber(QStringView n, int *target, QString *errorMessage);
protected:
virtual bool process(const MimeType &t, QString *errorMessage) = 0;
virtual bool process(const MimeGlobPattern &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 MimeMagicRuleMatcher &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 MimeTypeParser : public MimeTypeParserBase
{
public:
explicit MimeTypeParser(MimeXMLProvider &provider) : m_provider(provider) {}
protected:
inline bool process(const MimeType &t, QString *) override
{ m_provider.addMimeType(t); return true; }
inline bool process(const MimeGlobPattern &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 MimeMagicRuleMatcher &matcher) override
{ m_provider.addMagicMatcher(matcher); }
private:
MimeXMLProvider &m_provider;
};
} // namespace Utils
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