You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
400 lines
13 KiB
400 lines
13 KiB
14 years ago
|
/****************************************************************************
|
||
|
|
**
|
||
|
|
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
|
||
|
|
** All rights reserved.
|
||
|
|
** Contact: Nokia Corporation (qt-info@nokia.com)
|
||
|
|
**
|
||
|
|
** This file is part of the QtCore module of the Qt Toolkit.
|
||
|
|
**
|
||
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
||
|
|
** Commercial Usage
|
||
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
||
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
||
|
|
** Software or, alternatively, in accordance with the terms contained in
|
||
|
|
** a written agreement between you and Nokia.
|
||
|
|
**
|
||
|
|
** GNU Lesser General Public License Usage
|
||
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
||
|
|
** General Public License version 2.1 as published by the Free Software
|
||
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
||
|
|
** packaging of this file. Please review the following information to
|
||
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
||
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
||
|
|
**
|
||
|
|
** In addition, as a special exception, Nokia gives you certain additional
|
||
|
|
** rights. These rights are described in the Nokia Qt LGPL Exception
|
||
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
||
|
|
**
|
||
|
|
** GNU General Public License Usage
|
||
|
|
** Alternatively, this file may be used under the terms of the GNU
|
||
|
|
** General Public License version 3.0 as published by the Free Software
|
||
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
||
|
|
** packaging of this file. Please review the following information to
|
||
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
||
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
||
|
|
**
|
||
|
|
** If you have questions regarding the use of this file, please contact
|
||
|
|
** Nokia at qt-info@nokia.com.
|
||
|
|
** $QT_END_LICENSE$
|
||
|
|
**
|
||
|
|
****************************************************************************/
|
||
|
|
|
||
|
|
#ifndef QCHAR_H
|
||
|
|
#define QCHAR_H
|
||
|
|
|
||
|
|
#include <QtCore/qglobal.h>
|
||
|
|
|
||
|
|
QT_BEGIN_HEADER
|
||
|
|
|
||
|
|
QT_BEGIN_NAMESPACE
|
||
|
|
|
||
|
|
QT_MODULE(Core)
|
||
|
|
|
||
|
|
class QString;
|
||
|
|
|
||
|
|
struct QLatin1Char
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
inline explicit QLatin1Char(char c) : ch(c) {}
|
||
|
|
#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
|
||
|
|
inline const char toLatin1() const { return ch; }
|
||
|
|
inline const ushort unicode() const { return ushort(uchar(ch)); }
|
||
|
|
#else
|
||
|
|
inline char toLatin1() const { return ch; }
|
||
|
|
inline ushort unicode() const { return ushort(uchar(ch)); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
char ch;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
class Q_CORE_EXPORT QChar {
|
||
|
|
public:
|
||
|
|
QChar();
|
||
|
|
#ifndef QT_NO_CAST_FROM_ASCII
|
||
|
|
QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(char c);
|
||
|
|
QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(uchar c);
|
||
|
|
#endif
|
||
|
|
QChar(QLatin1Char ch);
|
||
|
|
QChar(uchar c, uchar r);
|
||
|
|
inline QChar(ushort rc) : ucs(rc){}
|
||
|
|
QChar(short rc);
|
||
|
|
QChar(uint rc);
|
||
|
|
QChar(int rc);
|
||
|
|
enum SpecialCharacter {
|
||
|
|
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
|
||
|
|
};
|
||
|
|
QChar(SpecialCharacter sc);
|
||
|
|
|
||
|
|
// Unicode information
|
||
|
|
|
||
|
|
enum Category
|
||
|
|
{
|
||
|
|
NoCategory,
|
||
|
|
|
||
|
|
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 // oops
|
||
|
|
};
|
||
|
|
|
||
|
|
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
|
||
|
|
|
||
|
|
#ifdef QT3_SUPPORT
|
||
|
|
, Single = NoDecomposition
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
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
|
||
|
|
};
|
||
|
|
// ****** WHEN ADDING FUNCTIONS, CONSIDER ADDING TO QCharRef TOO
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
|
||
|
|
const char toAscii() const;
|
||
|
|
inline const char toLatin1() const;
|
||
|
|
inline const ushort unicode() const { return ucs; }
|
||
|
|
#else
|
||
|
|
char toAscii() const;
|
||
|
|
inline char toLatin1() const;
|
||
|
|
inline ushort unicode() const { return ucs; }
|
||
|
|
#endif
|
||
|
|
#ifdef Q_NO_PACKED_REFERENCE
|
||
|
|
inline ushort &unicode() { return const_cast<ushort&>(ucs); }
|
||
|
|
#else
|
||
|
|
inline ushort &unicode() { return ucs; }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static QChar fromAscii(char c);
|
||
|
|
static QChar fromLatin1(char c);
|
||
|
|
|
||
|
|
inline bool isNull() const { 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;
|
||
|
|
bool isSymbol() const;
|
||
|
|
inline bool isLower() const { return category() == Letter_Lowercase; }
|
||
|
|
inline bool isUpper() const { return category() == Letter_Uppercase; }
|
||
|
|
inline bool isTitleCase() const { return category() == Letter_Titlecase; }
|
||
|
|
|
||
|
|
inline bool isHighSurrogate() const {
|
||
|
|
return ((ucs & 0xfc00) == 0xd800);
|
||
|
|
}
|
||
|
|
inline bool isLowSurrogate() const {
|
||
|
|
return ((ucs & 0xfc00) == 0xdc00);
|
||
|
|
}
|
||
|
|
|
||
|
|
inline uchar cell() const { return uchar(ucs & 0xff); }
|
||
|
|
inline uchar row() const { return uchar((ucs>>8)&0xff); }
|
||
|
|
inline void setCell(uchar cell);
|
||
|
|
inline void setRow(uchar row);
|
||
|
|
|
||
|
|
static inline uint surrogateToUcs4(ushort high, ushort low) {
|
||
|
|
return (uint(high)<<10) + low - 0x35fdc00;
|
||
|
|
}
|
||
|
|
static inline uint surrogateToUcs4(QChar high, QChar low) {
|
||
|
|
return (uint(high.ucs)<<10) + low.ucs - 0x35fdc00;
|
||
|
|
}
|
||
|
|
static inline ushort highSurrogate(uint ucs4) {
|
||
|
|
return ushort((ucs4>>10) + 0xd7c0);
|
||
|
|
}
|
||
|
|
static inline ushort lowSurrogate(uint ucs4) {
|
||
|
|
return ushort(ucs4%0x400 + 0xdc00);
|
||
|
|
}
|
||
|
|
|
||
|
|
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 QString QT_FASTCALL decomposition(uint ucs4);
|
||
|
|
|
||
|
|
#ifdef QT3_SUPPORT
|
||
|
|
inline QT3_SUPPORT bool mirrored() const { return hasMirrored(); }
|
||
|
|
inline QT3_SUPPORT QChar lower() const { return toLower(); }
|
||
|
|
inline QT3_SUPPORT QChar upper() const { return toUpper(); }
|
||
|
|
static inline QT3_SUPPORT bool networkOrdered() {
|
||
|
|
return QSysInfo::ByteOrder == QSysInfo::BigEndian;
|
||
|
|
}
|
||
|
|
#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
|
||
|
|
inline QT3_SUPPORT const char latin1() const { return toLatin1(); }
|
||
|
|
inline QT3_SUPPORT const char ascii() const { return toAscii(); }
|
||
|
|
#else
|
||
|
|
inline QT3_SUPPORT char latin1() const { return toLatin1(); }
|
||
|
|
inline QT3_SUPPORT char ascii() const { return toAscii(); }
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
operator int () const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
#ifdef QT_NO_CAST_FROM_ASCII
|
||
|
|
QChar(char c);
|
||
|
|
QChar(uchar c);
|
||
|
|
#endif
|
||
|
|
ushort ucs;
|
||
|
|
}
|
||
|
|
#if (defined(__arm__) || defined(__ARMEL__))
|
||
|
|
Q_PACKED
|
||
|
|
#endif
|
||
|
|
;
|
||
|
|
|
||
|
|
Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
|
||
|
|
|
||
|
|
inline QChar::QChar() : ucs(0) {}
|
||
|
|
|
||
|
|
#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
|
||
|
|
inline const char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
|
||
|
|
#else
|
||
|
|
inline char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
|
||
|
|
#endif
|
||
|
|
inline QChar QChar::fromLatin1(char c) { return QChar(ushort(uchar(c))); }
|
||
|
|
|
||
|
|
inline QChar::QChar(uchar c, uchar r) : ucs(ushort((r << 8) | c)){}
|
||
|
|
inline QChar::QChar(short rc) : ucs(ushort(rc)){}
|
||
|
|
inline QChar::QChar(uint rc) : ucs(ushort(rc & 0xffff)){}
|
||
|
|
inline QChar::QChar(int rc) : ucs(ushort(rc & 0xffff)){}
|
||
|
|
inline QChar::QChar(SpecialCharacter s) : ucs(ushort(s)) {}
|
||
|
|
inline QChar::QChar(QLatin1Char ch) : ucs(ch.unicode()) {}
|
||
|
|
|
||
|
|
inline void QChar::setCell(uchar acell)
|
||
|
|
{ ucs = ushort((ucs & 0xff00) + acell); }
|
||
|
|
inline void QChar::setRow(uchar arow)
|
||
|
|
{ ucs = ushort((ushort(arow)<<8) + (ucs&0xff)); }
|
||
|
|
|
||
|
|
inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
|
||
|
|
inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
|
||
|
|
inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
|
||
|
|
inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
|
||
|
|
inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
|
||
|
|
inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
|
||
|
|
|
||
|
|
#ifndef QT_NO_DATASTREAM
|
||
|
|
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QChar &);
|
||
|
|
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
QT_END_NAMESPACE
|
||
|
|
|
||
|
|
QT_END_HEADER
|
||
|
|
|
||
|
|
#endif // QCHAR_H
|