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| |
| #ifndef QTEXTBOUNDARYFINDER_H |
| #define QTEXTBOUNDARYFINDER_H |
| |
| #include <QtCore/qchar.h> |
| #include <QtCore/qstring.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QTextBoundaryFinderPrivate; |
| |
| class Q_CORE_EXPORT QTextBoundaryFinder |
| { |
| public: |
| QTextBoundaryFinder(); |
| QTextBoundaryFinder(const QTextBoundaryFinder &other); |
| QTextBoundaryFinder &operator=(const QTextBoundaryFinder &other); |
| ~QTextBoundaryFinder(); |
| |
| enum BoundaryType { |
| Grapheme, |
| Word, |
| Sentence, |
| Line |
| }; |
| |
| enum BoundaryReason { |
| NotAtBoundary = 0, |
| BreakOpportunity = 0x1f, |
| StartOfItem = 0x20, |
| EndOfItem = 0x40, |
| MandatoryBreak = 0x80, |
| SoftHyphen = 0x100 |
| }; |
| Q_DECLARE_FLAGS( BoundaryReasons, BoundaryReason ) |
| |
| QTextBoundaryFinder(BoundaryType type, const QString &string); |
| QTextBoundaryFinder(BoundaryType type, const QChar *chars, int length, unsigned char *buffer = nullptr, int bufferSize = 0); |
| |
| inline bool isValid() const { return d; } |
| |
| inline BoundaryType type() const { return t; } |
| QString string() const; |
| |
| void toStart(); |
| void toEnd(); |
| int position() const; |
| void setPosition(int position); |
| |
| int toNextBoundary(); |
| int toPreviousBoundary(); |
| |
| bool isAtBoundary() const; |
| BoundaryReasons boundaryReasons() const; |
| |
| private: |
| BoundaryType t; |
| QString s; |
| const QChar *chars; |
| int length; |
| int pos; |
| uint freePrivate : 1; |
| uint unused : 31; |
| QTextBoundaryFinderPrivate *d; |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(QTextBoundaryFinder::BoundaryReasons) |
| |
| QT_END_NAMESPACE |
| |
| #endif |
| |