1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
// 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
#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
|
