| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | |
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| 5 | #ifndef QMIMETYPEPARSER_P_H |
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| 6 | #define QMIMETYPEPARSER_P_H |
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| 7 | |
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| 8 | // |
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| 9 | // W A R N I N G |
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| 10 | // ------------- |
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| 11 | // |
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| 12 | // This file is not part of the Qt API. It exists purely as an |
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| 13 | // implementation detail. This header file may change from version to |
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| 14 | // version without notice, or even be removed. |
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| 15 | // |
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| 16 | // We mean it. |
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| 17 | // |
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| 18 | |
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| 19 | #include "qmimedatabase_p.h" |
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| 20 | |
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| 21 | QT_REQUIRE_CONFIG(mimetype); |
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| 22 | |
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| 23 | #include "qmimeprovider_p.h" |
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| 24 | |
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| 25 | QT_BEGIN_NAMESPACE |
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| 26 | |
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| 27 | class QIODevice; |
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| 28 | |
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| 29 | class QMimeTypeParserBase |
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| 30 | { |
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| 31 | Q_DISABLE_COPY_MOVE(QMimeTypeParserBase) |
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| 32 | |
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| 33 | public: |
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| 34 | QMimeTypeParserBase() {} |
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| 35 | virtual ~QMimeTypeParserBase() {} |
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| 36 | |
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| 37 | bool parse(QIODevice *dev, const QString &fileName, QString *errorMessage); |
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| 38 | |
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| 39 | static bool parseNumber(QStringView n, int *target, QString *errorMessage); |
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| 40 | |
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| 41 | protected: |
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| 42 | virtual bool process(const QMimeType &t, QString *errorMessage) = 0; |
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| 43 | virtual bool process(const QMimeGlobPattern &t, QString *errorMessage) = 0; |
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| 44 | virtual void processParent(const QString &child, const QString &parent) = 0; |
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| 45 | virtual void processAlias(const QString &alias, const QString &name) = 0; |
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| 46 | virtual void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) = 0; |
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| 47 | |
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| 48 | private: |
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| 49 | enum ParseState { |
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| 50 | ParseBeginning, |
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| 51 | ParseMimeInfo, |
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| 52 | ParseMimeType, |
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| 53 | , |
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| 54 | ParseGenericIcon, |
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| 55 | ParseIcon, |
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| 56 | ParseGlobPattern, |
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| 57 | ParseGlobDeleteAll, |
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| 58 | ParseSubClass, |
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| 59 | ParseAlias, |
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| 60 | ParseMagic, |
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| 61 | ParseMagicMatchRule, |
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| 62 | ParseOtherMimeTypeSubTag, |
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| 63 | ParseError |
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| 64 | }; |
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| 65 | |
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| 66 | static ParseState nextState(ParseState currentState, QStringView startElement); |
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| 67 | }; |
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| 68 | |
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| 69 | |
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| 70 | class QMimeTypeParser : public QMimeTypeParserBase |
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| 71 | { |
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| 72 | public: |
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| 73 | explicit QMimeTypeParser(QMimeXMLProvider &provider) : m_provider(provider) {} |
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| 74 | |
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| 75 | protected: |
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| 76 | inline bool process(const QMimeType &t, QString *) override |
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| 77 | { m_provider.addMimeType(mt: t); return true; } |
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| 78 | |
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| 79 | inline bool process(const QMimeGlobPattern &glob, QString *) override |
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| 80 | { m_provider.addGlobPattern(glob); return true; } |
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| 81 | |
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| 82 | inline void processParent(const QString &child, const QString &parent) override |
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| 83 | { m_provider.addParent(child, parent); } |
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| 84 | |
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| 85 | inline void processAlias(const QString &alias, const QString &name) override |
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| 86 | { m_provider.addAlias(alias, name); } |
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| 87 | |
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| 88 | inline void processMagicMatcher(const QMimeMagicRuleMatcher &matcher) override |
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| 89 | { m_provider.addMagicMatcher(matcher); } |
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| 90 | |
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| 91 | private: |
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| 92 | QMimeXMLProvider &m_provider; |
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| 93 | }; |
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| 94 | |
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| 95 | QT_END_NAMESPACE |
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| 96 | |
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| 97 | #endif // MIMETYPEPARSER_P_H |
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| 98 | |
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