QChar Class Reference

#include <qchar.h>

Class Description

Examples:

Definition at line 72 of file qchar.h.

Public Types
enum	SpecialCharacter {   Null = 0x0000, Nbsp = 0x00a0, ReplacementCharacter = 0xfffd, ObjectReplacementCharacter = 0xfffc,   ByteOrderMark = 0xfeff, ByteOrderSwapped = 0xfffe, ParagraphSeparator = 0x2029, LineSeparator = 0x2028 }
enum	Category {   NoCategory, Mark_NonSpacing, Mark_SpacingCombining, Mark_Enclosing,   Number_DecimalDigit, Number_Letter, Number_Other, Separator_Space,   Separator_Line, Separator_Paragraph, Other_Control, Other_Format,   Other_Surrogate, Other_PrivateUse, Other_NotAssigned, Letter_Uppercase,   Letter_Lowercase, Letter_Titlecase, Letter_Modifier, Letter_Other,   Punctuation_Connector, Punctuation_Dash, Punctuation_Open, Punctuation_Close,   Punctuation_InitialQuote, Punctuation_FinalQuote, Punctuation_Other, Symbol_Math,   Symbol_Currency, Symbol_Modifier, Symbol_Other, Punctuation_Dask = Punctuation_Dash }
enum	Direction {   DirL, DirR, DirEN, DirES,   DirET, DirAN, DirCS, DirB,   DirS, DirWS, DirON, DirLRE,   DirLRO, DirAL, DirRLE, DirRLO,   DirPDF, DirNSM, DirBN }
enum	Decomposition {   NoDecomposition, Canonical, Font, NoBreak,   Initial, Medial, Final, Isolated,   Circle, Super, Sub, Vertical,   Wide, Narrow, Small, Square,   Compat, Fraction }
enum	Joining { OtherJoining, Dual, Right, Center }
enum	CombiningClass {   Combining_BelowLeftAttached = 200, Combining_BelowAttached = 202, Combining_BelowRightAttached = 204, Combining_LeftAttached = 208,   Combining_RightAttached = 210, Combining_AboveLeftAttached = 212, Combining_AboveAttached = 214, Combining_AboveRightAttached = 216,   Combining_BelowLeft = 218, Combining_Below = 220, Combining_BelowRight = 222, Combining_Left = 224,   Combining_Right = 226, Combining_AboveLeft = 228, Combining_Above = 230, Combining_AboveRight = 232,   Combining_DoubleBelow = 233, Combining_DoubleAbove = 234, Combining_IotaSubscript = 240 }
enum	UnicodeVersion {   Unicode_Unassigned, Unicode_1_1, Unicode_2_0, Unicode_2_1_2,   Unicode_3_0, Unicode_3_1, Unicode_3_2, Unicode_4_0,   Unicode_4_1, Unicode_5_0 }

Public Member Functions
	QChar ()
QT_ASCII_CAST_WARN_CONSTRUCTOR	QChar (char c)
QT_ASCII_CAST_WARN_CONSTRUCTOR	QChar (uchar c)
	QChar (QLatin1Char ch)
	QChar (uchar c, uchar r)
	QChar (ushort rc)
	QChar (short rc)
	QChar (uint rc)
	QChar (int rc)
	QChar (SpecialCharacter sc)
Category	category () const
Direction	direction () const
Joining	joining () const
bool	hasMirrored () const
unsigned char	combiningClass () const
QChar	mirroredChar () const
QString	decomposition () const
Decomposition	decompositionTag () const
int	digitValue () const
QChar	toLower () const
QChar	toUpper () const
QChar	toTitleCase () const
QChar	toCaseFolded () const
UnicodeVersion	unicodeVersion () const
char	toAscii () const
char	toLatin1 () const
ushort	unicode () const
ushort &	unicode ()
bool	isNull () const
bool	isPrint () const
bool	isPunct () const
bool	isSpace () const
bool	isMark () const
bool	isLetter () const
bool	isNumber () const
bool	isLetterOrNumber () const
bool	isDigit () const
bool	isSymbol () const
bool	isLower () const
bool	isUpper () const
bool	isTitleCase () const
bool	isHighSurrogate () const
bool	isLowSurrogate () const
uchar	cell () const
uchar	row () const
void	setCell (uchar cell)
void	setRow (uchar row)

Static Public Member Functions
static QChar	fromAscii (char c)
static QChar	fromLatin1 (char c)
static bool	isHighSurrogate (uint ucs4)
static bool	isLowSurrogate (uint ucs4)
static bool	requiresSurrogates (uint ucs4)
static uint	surrogateToUcs4 (ushort high, ushort low)
static uint	surrogateToUcs4 (QChar high, QChar low)
static ushort	highSurrogate (uint ucs4)
static ushort	lowSurrogate (uint ucs4)
static Category QT_FASTCALL	category (uint ucs4)
static Category QT_FASTCALL	category (ushort ucs2)
static Direction QT_FASTCALL	direction (uint ucs4)
static Direction QT_FASTCALL	direction (ushort ucs2)
static Joining QT_FASTCALL	joining (uint ucs4)
static Joining QT_FASTCALL	joining (ushort ucs2)
static unsigned char QT_FASTCALL	combiningClass (uint ucs4)
static unsigned char QT_FASTCALL	combiningClass (ushort ucs2)
static uint QT_FASTCALL	mirroredChar (uint ucs4)
static ushort QT_FASTCALL	mirroredChar (ushort ucs2)
static Decomposition QT_FASTCALL	decompositionTag (uint ucs4)
static int QT_FASTCALL	digitValue (uint ucs4)
static int QT_FASTCALL	digitValue (ushort ucs2)
static uint QT_FASTCALL	toLower (uint ucs4)
static ushort QT_FASTCALL	toLower (ushort ucs2)
static uint QT_FASTCALL	toUpper (uint ucs4)
static ushort QT_FASTCALL	toUpper (ushort ucs2)
static uint QT_FASTCALL	toTitleCase (uint ucs4)
static ushort QT_FASTCALL	toTitleCase (ushort ucs2)
static uint QT_FASTCALL	toCaseFolded (uint ucs4)
static ushort QT_FASTCALL	toCaseFolded (ushort ucs2)
static UnicodeVersion QT_FASTCALL	unicodeVersion (uint ucs4)
static UnicodeVersion QT_FASTCALL	unicodeVersion (ushort ucs2)
static UnicodeVersion QT_FASTCALL	currentUnicodeVersion ()
static QString QT_FASTCALL	decomposition (uint ucs4)

Member Enumeration Documentation

enum SpecialCharacter

Enumerator
Null
Nbsp
ReplacementCharacter
ObjectReplacementCharacter
ByteOrderMark
ByteOrderSwapped
ParagraphSeparator
LineSeparator

Definition at line 85 of file qchar.h.

                          {
        Null = 0x0000,
        Nbsp = 0x00a0,
        ReplacementCharacter = 0xfffd,
        ObjectReplacementCharacter = 0xfffc,
        ByteOrderMark = 0xfeff,
        ByteOrderSwapped = 0xfffe,
#ifdef QT3_SUPPORT
        null = Null,
        replacement = ReplacementCharacter,
        byteOrderMark = ByteOrderMark,
        byteOrderSwapped = ByteOrderSwapped,
        nbsp = Nbsp,
#endif
        ParagraphSeparator = 0x2029,
        LineSeparator = 0x2028
    };

enum Category

Enumerator
NoCategory
Mark_NonSpacing
Mark_SpacingCombining
Mark_Enclosing
Number_DecimalDigit
Number_Letter
Number_Other
Separator_Space
Separator_Line
Separator_Paragraph
Other_Control
Other_Format
Other_Surrogate
Other_PrivateUse
Other_NotAssigned
Letter_Uppercase
Letter_Lowercase
Letter_Titlecase
Letter_Modifier
Letter_Other
Punctuation_Connector
Punctuation_Dash
Punctuation_Open
Punctuation_Close
Punctuation_InitialQuote
Punctuation_FinalQuote
Punctuation_Other
Symbol_Math
Symbol_Currency
Symbol_Modifier
Symbol_Other
Punctuation_Dask

Definition at line 106 of file qchar.h.

    {
        NoCategory,    // ### Qt 5: replace with Other_NotAssigned

        Mark_NonSpacing,          //   Mn
        Mark_SpacingCombining,    //   Mc
        Mark_Enclosing,           //   Me

        Number_DecimalDigit,      //   Nd
        Number_Letter,            //   Nl
        Number_Other,             //   No

        Separator_Space,          //   Zs
        Separator_Line,           //   Zl
        Separator_Paragraph,      //   Zp

        Other_Control,            //   Cc
        Other_Format,             //   Cf
        Other_Surrogate,          //   Cs
        Other_PrivateUse,         //   Co
        Other_NotAssigned,        //   Cn

        Letter_Uppercase,         //   Lu
        Letter_Lowercase,         //   Ll
        Letter_Titlecase,         //   Lt
        Letter_Modifier,          //   Lm
        Letter_Other,             //   Lo

        Punctuation_Connector,    //   Pc
        Punctuation_Dash,         //   Pd
        Punctuation_Open,         //   Ps
        Punctuation_Close,        //   Pe
        Punctuation_InitialQuote, //   Pi
        Punctuation_FinalQuote,   //   Pf
        Punctuation_Other,        //   Po

        Symbol_Math,              //   Sm
        Symbol_Currency,          //   Sc
        Symbol_Modifier,          //   Sk
        Symbol_Other,             //   So

        Punctuation_Dask = Punctuation_Dash // ### Qt 5: remove
    };

enum Direction

Enumerator
DirL
DirR
DirEN
DirES
DirET
DirAN
DirCS
DirB
DirS
DirWS
DirON
DirLRE
DirLRO
DirAL
DirRLE
DirRLO
DirPDF
DirNSM
DirBN

Definition at line 150 of file qchar.h.

    {
        DirL, DirR, DirEN, DirES, DirET, DirAN, DirCS, DirB, DirS, DirWS, DirON,
        DirLRE, DirLRO, DirAL, DirRLE, DirRLO, DirPDF, DirNSM, DirBN
    };

enum Decomposition

Enumerator
NoDecomposition
Canonical
Font
NoBreak
Initial
Medial
Final
Isolated
Circle
Super
Sub
Vertical
Wide
Narrow
Small
Square
Compat
Fraction

Definition at line 156 of file qchar.h.

    {
        NoDecomposition,
        Canonical,
        Font,
        NoBreak,
        Initial,
        Medial,
        Final,
        Isolated,
        Circle,
        Super,
        Sub,
        Vertical,
        Wide,
        Narrow,
        Small,
        Square,
        Compat,
        Fraction

#ifdef QT3_SUPPORT
        , Single = NoDecomposition
#endif
    };

enum Joining

Enumerator
OtherJoining
Dual
Right
Center

Definition at line 182 of file qchar.h.

    {
        OtherJoining, Dual, Right, Center
    };

enum CombiningClass

Enumerator
Combining_BelowLeftAttached
Combining_BelowAttached
Combining_BelowRightAttached
Combining_LeftAttached
Combining_RightAttached
Combining_AboveLeftAttached
Combining_AboveAttached
Combining_AboveRightAttached
Combining_BelowLeft
Combining_Below
Combining_BelowRight
Combining_Left
Combining_Right
Combining_AboveLeft
Combining_Above
Combining_AboveRight
Combining_DoubleBelow
Combining_DoubleAbove
Combining_IotaSubscript

Definition at line 187 of file qchar.h.

    {
        Combining_BelowLeftAttached       = 200,
        Combining_BelowAttached           = 202,
        Combining_BelowRightAttached      = 204,
        Combining_LeftAttached            = 208,
        Combining_RightAttached           = 210,
        Combining_AboveLeftAttached       = 212,
        Combining_AboveAttached           = 214,
        Combining_AboveRightAttached      = 216,

        Combining_BelowLeft               = 218,
        Combining_Below                   = 220,
        Combining_BelowRight              = 222,
        Combining_Left                    = 224,
        Combining_Right                   = 226,
        Combining_AboveLeft               = 228,
        Combining_Above                   = 230,
        Combining_AboveRight              = 232,

        Combining_DoubleBelow             = 233,
        Combining_DoubleAbove             = 234,
        Combining_IotaSubscript           = 240
    };

enum UnicodeVersion

Enumerator
Unicode_Unassigned
Unicode_1_1
Unicode_2_0
Unicode_2_1_2
Unicode_3_0
Unicode_3_1
Unicode_3_2
Unicode_4_0
Unicode_4_1
Unicode_5_0

Definition at line 212 of file qchar.h.

                        {
        Unicode_Unassigned,    // ### Qt 5: assign with some constantly big value
        Unicode_1_1,
        Unicode_2_0,
        Unicode_2_1_2,
        Unicode_3_0,
        Unicode_3_1,
        Unicode_3_2,
        Unicode_4_0,
        Unicode_4_1,
        Unicode_5_0
    };

Constructor & Destructor Documentation

QChar ( )

inline

Definition at line 371 of file qchar.h.

: ucs(0) {}

QT_ASCII_CAST_WARN_CONSTRUCTOR QChar

(

char

c

)

QT_ASCII_CAST_WARN_CONSTRUCTOR QChar

(

uchar

c

)

QChar ( QLatin1Char  ch )

inline

Definition at line 385 of file qchar.h.

: ucs(ch.unicode()) {}

QChar ( uchar  c, uchar  r  )

inline

Definition at line 380 of file qchar.h.

: ucs(ushort((r << 8) | c)){}

QChar ( ushort  rc )

inline

Definition at line 81 of file qchar.h.

: ucs(rc){}

QChar ( short  rc )

inline

Definition at line 381 of file qchar.h.

: ucs(ushort(rc)){}

QChar ( uint  rc )

inline

Definition at line 382 of file qchar.h.

: ucs(ushort(rc & 0xffff)){}

QChar ( int  rc )

inline

Definition at line 383 of file qchar.h.

: ucs(ushort(rc & 0xffff)){}

QChar ( SpecialCharacter  sc )

inline

Definition at line 384 of file qchar.h.

: ucs(ushort(s)) {}

Member Function Documentation

Category category

(

)

const

Direction direction

(

)

const

Joining joining

(

)

const

bool hasMirrored

(

)

const

unsigned char combiningClass

(

)

const

QChar mirroredChar

(

)

const

QString decomposition

(

)

const

Decomposition decompositionTag

(

)

const

int digitValue

(

)

const

QChar toLower

(

)

const

QChar toUpper

(

)

const

QChar toTitleCase

(

)

const

QChar toCaseFolded

(

)

const

UnicodeVersion unicodeVersion

(

)

const

char toAscii

(

)

const

Examples:

char toLatin1 ( ) const

inline

Definition at line 376 of file qchar.h.

{ return ucs > 0xff ? '\0' : char(ucs); }

ushort unicode ( ) const

inline

Definition at line 251 of file qchar.h.

{ return ucs; }

ushort& unicode ( )

inline

Definition at line 256 of file qchar.h.

{ return ucs; }

static QChar fromAscii ( char  c )

static

QChar fromLatin1 ( char  c )

inlinestatic

Definition at line 378 of file qchar.h.

{ return QChar(ushort(uchar(c))); }

bool isNull ( ) const

inline

Definition at line 262 of file qchar.h.

{ return ucs == 0; }

bool isPrint

(

)

const

bool isPunct

(

)

const

bool isSpace

(

)

const

bool isMark

(

)

const

bool isLetter

(

)

const

bool isNumber

(

)

const

bool isLetterOrNumber

(

)

const

bool isDigit

(

)

const

Examples:

bool isSymbol

(

)

const

bool isLower ( ) const

inline

Definition at line 272 of file qchar.h.

{ return category() == Letter_Lowercase; }

bool isUpper ( ) const

inline

Definition at line 273 of file qchar.h.

{ return category() == Letter_Uppercase; }

bool isTitleCase ( ) const

inline

Definition at line 274 of file qchar.h.

{ return category() == Letter_Titlecase; }

bool isHighSurrogate ( ) const

inline

Definition at line 276 of file qchar.h.

                                        {
        return ((ucs & 0xfc00) == 0xd800);
    }

bool isLowSurrogate ( ) const

inline

Definition at line 279 of file qchar.h.

                                       {
        return ((ucs & 0xfc00) == 0xdc00);
    }

uchar cell ( ) const

inline

Definition at line 283 of file qchar.h.

{ return uchar(ucs & 0xff); }

uchar row ( ) const

inline

Definition at line 284 of file qchar.h.

{ return uchar((ucs>>8)&0xff); }

void setCell ( uchar  cell )

inline

Definition at line 387 of file qchar.h.

{ ucs = ushort((ucs & 0xff00) + acell); }

void setRow ( uchar  row )

inline

Definition at line 389 of file qchar.h.

{ ucs = ushort((ushort(arow)<<8) + (ucs&0xff)); }

static bool isHighSurrogate ( uint  ucs4 )

inlinestatic

Definition at line 288 of file qchar.h.

                                                  {
        return ((ucs4 & 0xfffffc00) == 0xd800);
    }

static bool isLowSurrogate ( uint  ucs4 )

inlinestatic

Definition at line 291 of file qchar.h.

                                                 {
        return ((ucs4 & 0xfffffc00) == 0xdc00);
    }

static bool requiresSurrogates ( uint  ucs4 )

inlinestatic

Definition at line 294 of file qchar.h.

                                                     {
        return (ucs4 >= 0x10000);
    }

static uint surrogateToUcs4 ( ushort  high, ushort  low  )

inlinestatic

Definition at line 297 of file qchar.h.

                                                                {
        return (uint(high)<<10) + low - 0x35fdc00;
    }

static uint surrogateToUcs4 ( QChar  high, QChar  low  )

inlinestatic

Definition at line 300 of file qchar.h.

                                                              {
        return (uint(high.ucs)<<10) + low.ucs - 0x35fdc00;
    }

static ushort highSurrogate ( uint  ucs4 )

inlinestatic

Definition at line 303 of file qchar.h.

                                                  {
        return ushort((ucs4>>10) + 0xd7c0);
    }

static ushort lowSurrogate ( uint  ucs4 )

inlinestatic

Definition at line 306 of file qchar.h.

                                                 {
        return ushort(ucs4%0x400 + 0xdc00);
    }

static Category QT_FASTCALL category ( uint  ucs4 )

static

static Category QT_FASTCALL category ( ushort  ucs2 )

static

static Direction QT_FASTCALL direction ( uint  ucs4 )

static

static Direction QT_FASTCALL direction ( ushort  ucs2 )

static

static Joining QT_FASTCALL joining ( uint  ucs4 )

static

static Joining QT_FASTCALL joining ( ushort  ucs2 )

static

static unsigned char QT_FASTCALL combiningClass ( uint  ucs4 )

static

static unsigned char QT_FASTCALL combiningClass ( ushort  ucs2 )

static

static uint QT_FASTCALL mirroredChar ( uint  ucs4 )

static

static ushort QT_FASTCALL mirroredChar ( ushort  ucs2 )

static

static Decomposition QT_FASTCALL decompositionTag ( uint  ucs4 )

static

static int QT_FASTCALL digitValue ( uint  ucs4 )

static

static int QT_FASTCALL digitValue ( ushort  ucs2 )

static

static uint QT_FASTCALL toLower ( uint  ucs4 )

static

static ushort QT_FASTCALL toLower ( ushort  ucs2 )

static

static uint QT_FASTCALL toUpper ( uint  ucs4 )

static

static ushort QT_FASTCALL toUpper ( ushort  ucs2 )

static

static uint QT_FASTCALL toTitleCase ( uint  ucs4 )

static

static ushort QT_FASTCALL toTitleCase ( ushort  ucs2 )

static

static uint QT_FASTCALL toCaseFolded ( uint  ucs4 )

static

static ushort QT_FASTCALL toCaseFolded ( ushort  ucs2 )

static

static UnicodeVersion QT_FASTCALL unicodeVersion ( uint  ucs4 )

static

static UnicodeVersion QT_FASTCALL unicodeVersion ( ushort  ucs2 )

static

static UnicodeVersion QT_FASTCALL currentUnicodeVersion ( )

static

static QString QT_FASTCALL decomposition ( uint  ucs4 )

static

---

The documentation for this class was generated from the following file:

• QtCore/qchar.h