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39 | |
40 | |
41 | #ifndef QMIMETYPEPARSER_P_H |
42 | #define QMIMETYPEPARSER_P_H |
43 | |
44 | // |
45 | // W A R N I N G |
46 | // ------------- |
47 | // |
48 | // This file is not part of the Qt API. It exists purely as an |
49 | // implementation detail. This header file may change from version to |
50 | // version without notice, or even be removed. |
51 | // |
52 | // We mean it. |
53 | // |
54 | |
55 | #include "qmimedatabase_p.h" |
56 | |
57 | QT_REQUIRE_CONFIG(mimetype); |
58 | |
59 | #include "qmimeprovider_p.h" |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QIODevice; |
64 | |
65 | class QMimeTypeParserBase |
66 | { |
67 | Q_DISABLE_COPY_MOVE(QMimeTypeParserBase) |
68 | |
69 | public: |
70 | QMimeTypeParserBase() {} |
71 | virtual ~QMimeTypeParserBase() {} |
72 | |
73 | bool parse(QIODevice *dev, const QString &fileName, QString *errorMessage); |
74 | |
75 | static bool parseNumber(const QStringRef &n, int *target, QString *errorMessage); |
76 | |
77 | protected: |
78 | virtual bool process(const QMimeType &t, QString *errorMessage) = 0; |
79 | virtual bool process(const QMimeGlobPattern &t, QString *errorMessage) = 0; |
80 | virtual void processParent(const QString &child, const QString &parent) = 0; |
81 | virtual void processAlias(const QString &alias, const QString &name) = 0; |
82 | virtual void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) = 0; |
83 | |
84 | private: |
85 | enum ParseState { |
86 | ParseBeginning, |
87 | ParseMimeInfo, |
88 | ParseMimeType, |
89 | , |
90 | ParseGenericIcon, |
91 | ParseIcon, |
92 | ParseGlobPattern, |
93 | ParseGlobDeleteAll, |
94 | ParseSubClass, |
95 | ParseAlias, |
96 | ParseMagic, |
97 | ParseMagicMatchRule, |
98 | ParseOtherMimeTypeSubTag, |
99 | ParseError |
100 | }; |
101 | |
102 | static ParseState nextState(ParseState currentState, const QStringRef &startElement); |
103 | }; |
104 | |
105 | |
106 | class QMimeTypeParser : public QMimeTypeParserBase |
107 | { |
108 | public: |
109 | explicit QMimeTypeParser(QMimeXMLProvider &provider) : m_provider(provider) {} |
110 | |
111 | protected: |
112 | inline bool process(const QMimeType &t, QString *) override |
113 | { m_provider.addMimeType(mt: t); return true; } |
114 | |
115 | inline bool process(const QMimeGlobPattern &glob, QString *) override |
116 | { m_provider.addGlobPattern(glob); return true; } |
117 | |
118 | inline void processParent(const QString &child, const QString &parent) override |
119 | { m_provider.addParent(child, parent); } |
120 | |
121 | inline void processAlias(const QString &alias, const QString &name) override |
122 | { m_provider.addAlias(alias, name); } |
123 | |
124 | inline void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) override |
125 | { m_provider.addMagicMatcher(matcher); } |
126 | |
127 | private: |
128 | QMimeXMLProvider &m_provider; |
129 | }; |
130 | |
131 | QT_END_NAMESPACE |
132 | |
133 | #endif // MIMETYPEPARSER_P_H |
134 | |