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| |
| #ifndef QMIMEMAGICRULE_P_H |
| #define QMIMEMAGICRULE_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 <QtCore/private/qglobal_p.h> |
| |
| QT_REQUIRE_CONFIG(mimetype); |
| |
| #include <QtCore/qbytearray.h> |
| #include <QtCore/qscopedpointer.h> |
| #include <QtCore/qlist.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QMimeMagicRule |
| { |
| public: |
| enum Type { Invalid = 0, String, Host16, Host32, Big16, Big32, Little16, Little32, Byte }; |
| |
| QMimeMagicRule(const QString &typeStr, const QByteArray &value, const QString &offsets, |
| const QByteArray &mask, QString *errorString); |
| |
| void swap(QMimeMagicRule &other) noexcept |
| { |
| qSwap(m_type, other.m_type); |
| qSwap(m_value, other.m_value); |
| qSwap(m_startPos, other.m_startPos); |
| qSwap(m_endPos, other.m_endPos); |
| qSwap(m_mask, other.m_mask); |
| qSwap(m_pattern, other.m_pattern); |
| qSwap(m_number, other.m_number); |
| qSwap(m_numberMask, other.m_numberMask); |
| qSwap(m_matchFunction, other.m_matchFunction); |
| } |
| |
| bool operator==(const QMimeMagicRule &other) const; |
| |
| Type type() const { return m_type; } |
| QByteArray value() const { return m_value; } |
| int startPos() const { return m_startPos; } |
| int endPos() const { return m_endPos; } |
| QByteArray mask() const; |
| |
| bool isValid() const { return m_matchFunction != nullptr; } |
| |
| bool matches(const QByteArray &data) const; |
| |
| QList<QMimeMagicRule> m_subMatches; |
| |
| static Type type(const QByteArray &type); |
| static QByteArray typeName(Type type); |
| |
| static bool matchSubstring(const char *dataPtr, int dataSize, int rangeStart, int rangeLength, int valueLength, const char *valueData, const char *mask); |
| |
| private: |
| Type m_type; |
| QByteArray m_value; |
| int m_startPos; |
| int m_endPos; |
| QByteArray m_mask; |
| |
| QByteArray m_pattern; |
| quint32 m_number; |
| quint32 m_numberMask; |
| |
| typedef bool (QMimeMagicRule::*MatchFunction)(const QByteArray &data) const; |
| MatchFunction m_matchFunction; |
| |
| private: |
| // match functions |
| bool matchString(const QByteArray &data) const; |
| template <typename T> |
| bool matchNumber(const QByteArray &data) const; |
| }; |
| Q_DECLARE_SHARED(QMimeMagicRule) |
| |
| QT_END_NAMESPACE |
| |
| #endif // QMIMEMAGICRULE_H |