QtBase  v6.3.1
qstringmatcher.h
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40 
41 #ifndef QSTRINGMATCHER_H
42 #define QSTRINGMATCHER_H
43 
44 #include <QtCore/qstring.h>
45 #include <QtCore/qstringview.h>
46 
48 
49 
50 class QStringMatcherPrivate;
51 
52 class Q_CORE_EXPORT QStringMatcher
53 {
54  void updateSkipTable();
55 public:
56  QStringMatcher() = default;
57  explicit QStringMatcher(const QString &pattern,
61  : QStringMatcher(QStringView(uc, len), cs)
62  {}
66  ~QStringMatcher();
67 
68  QStringMatcher &operator=(const QStringMatcher &other);
69 
70  void setPattern(const QString &pattern);
72 
73  qsizetype indexIn(const QString &str, qsizetype from = 0) const
74  { return indexIn(QStringView(str), from); }
75  qsizetype indexIn(const QChar *str, qsizetype length, qsizetype from = 0) const
76  { return indexIn(QStringView(str, length), from); }
77  qsizetype indexIn(QStringView str, qsizetype from = 0) const;
78  QString pattern() const;
79  inline Qt::CaseSensitivity caseSensitivity() const { return q_cs; }
80 
81 private:
82  QStringMatcherPrivate *d_ptr = nullptr;
84  QString q_pattern;
85  QStringView q_sv;
86  uchar q_skiptable[256] = {};
87 };
88 
90 
91 #endif // QSTRINGMATCHER_H
The QChar class provides a 16-bit Unicode character.
Definition: qchar.h:84
The QString class provides a Unicode character string.
Definition: qstring.h:388
The QStringMatcher class holds a sequence of characters that can be quickly matched in a Unicode stri...
Qt::CaseSensitivity caseSensitivity() const
qsizetype indexIn(const QChar *str, qsizetype length, qsizetype from=0) const
QStringMatcher(const QChar *uc, qsizetype len, Qt::CaseSensitivity cs=Qt::CaseSensitive)
QStringMatcher()=default
qsizetype indexIn(const QString &str, qsizetype from=0) const
The QStringView class provides a unified view on UTF-16 strings with a read-only subset of the QStrin...
Definition: qstringview.h:122
QString str
[2]
CaseSensitivity
Definition: qnamespace.h:1282
@ CaseSensitive
Definition: qnamespace.h:1284
QT_BEGIN_INCLUDE_NAMESPACE typedef unsigned char uchar
Definition: qglobal.h:332
ptrdiff_t qsizetype
Definition: qglobal.h:308
GLenum GLuint GLenum GLsizei length
Definition: qopengl.h:270
GLenum GLsizei len
Definition: qopenglext.h:3292
GLubyte * pattern
Definition: qopenglext.h:2744
QSharedPointer< T > other(t)
[5]
wordList<< "alpha"<< "omega"<< "omicron"<< "zeta";QLineEdit *lineEdit=new QLineEdit(this);QCompleter *completer=new QCompleter(wordList, this);completer-> setCaseSensitivity(Qt::CaseInsensitive)