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    41 

    42 #ifndef QTEXTBOUNDARYFINDER_H

    43 #define QTEXTBOUNDARYFINDER_H

    44 

    45 #include <QtCore/qchar.h>

    46 #include <QtCore/qstring.h>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Core)

    53 

    54 class QTextBoundaryFinderPrivate;

    55 

    56 class Q_CORE_EXPORT QTextBoundaryFinder

    57 {

    58 public:

    59     QTextBoundaryFinder();

    60     QTextBoundaryFinder(const QTextBoundaryFinder &other);

    61     QTextBoundaryFinder &operator=(const QTextBoundaryFinder &other);

    62     ~QTextBoundaryFinder();

    63 

    64     enum BoundaryType {

    65         Grapheme,

    66         Word,

    67         Line,

    68         Sentence

    69     };

    70 

    71     enum BoundaryReason {

    72         NotAtBoundary = 0,

    73         StartWord = 1,

    74         EndWord = 2

    75         //Hyphen

    76     };

    77     Q_DECLARE_FLAGS( BoundaryReasons, BoundaryReason )

    78 

    79     QTextBoundaryFinder(BoundaryType type, const QString &string);

    80     QTextBoundaryFinder(BoundaryType type, const QChar *chars, int length, unsigned char *buffer = 0, int bufferSize = 0);

    81 

    82     inline bool isValid() const { return d; }

    83 

    84     inline BoundaryType type() const { return t; }

    85     QString string() const;

    86 

    87     void toStart();

    88     void toEnd();

    89     int position() const;

    90     void setPosition(int position);

    91 

    92     int toNextBoundary();

    93     int toPreviousBoundary();

    94 

    95     bool isAtBoundary() const;

    96     BoundaryReasons boundaryReasons() const;

    97 

    98 private:

    99     BoundaryType t;

   100     QString s;

   101     const QChar *chars;

   102     int length;

   103     int pos;

   104     uint freePrivate : 1;

   105     uint unused : 31;

   106     QTextBoundaryFinderPrivate *d;

   107 };

   108 

   109 QT_END_NAMESPACE

   110 

   111 QT_END_HEADER

   112 

   113 #endif

   114