Move text-related code out of corelib/tools/ to corelib/text/

This includes byte array, string, char, unicode, locale, collation and
regular expressions.

Change-Id: I8b125fa52c8c513eb57a0f1298b91910e5a0d786
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 0 insertions, 644 deletions

diff --git a/src/corelib/tools/qchar.h b/src/corelib/tools/qchar.h
deleted file mode 100644
index e028a24c24..0000000000
--- a/src/corelib/tools/qchar.h
+++ /dev/null
@@ -1,644 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QCHAR_H
-#define QCHAR_H
-
-#include <QtCore/qglobal.h>
-
-QT_BEGIN_NAMESPACE
-
-
-class QString;
-
-struct QLatin1Char
-{
-public:
-    Q_DECL_CONSTEXPR inline explicit QLatin1Char(char c) noexcept : ch(c) {}
-    Q_DECL_CONSTEXPR inline char toLatin1() const noexcept { return ch; }
-    Q_DECL_CONSTEXPR inline ushort unicode() const noexcept { return ushort(uchar(ch)); }
-
-private:
-    char ch;
-};
-
-Q_DECL_CONSTEXPR inline bool operator==(char lhs, QLatin1Char rhs) noexcept { return lhs == rhs.toLatin1(); }
-Q_DECL_CONSTEXPR inline bool operator!=(char lhs, QLatin1Char rhs) noexcept { return lhs != rhs.toLatin1(); }
-Q_DECL_CONSTEXPR inline bool operator<=(char lhs, QLatin1Char rhs) noexcept { return lhs <= rhs.toLatin1(); }
-Q_DECL_CONSTEXPR inline bool operator>=(char lhs, QLatin1Char rhs) noexcept { return lhs >= rhs.toLatin1(); }
-Q_DECL_CONSTEXPR inline bool operator< (char lhs, QLatin1Char rhs) noexcept { return lhs <  rhs.toLatin1(); }
-Q_DECL_CONSTEXPR inline bool operator> (char lhs, QLatin1Char rhs) noexcept { return lhs >  rhs.toLatin1(); }
-
-Q_DECL_CONSTEXPR inline bool operator==(QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() == rhs; }
-Q_DECL_CONSTEXPR inline bool operator!=(QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() != rhs; }
-Q_DECL_CONSTEXPR inline bool operator<=(QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() <= rhs; }
-Q_DECL_CONSTEXPR inline bool operator>=(QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() >= rhs; }
-Q_DECL_CONSTEXPR inline bool operator< (QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() <  rhs; }
-Q_DECL_CONSTEXPR inline bool operator> (QLatin1Char lhs, char rhs) noexcept { return lhs.toLatin1() >  rhs; }
-
-class Q_CORE_EXPORT QChar {
-public:
-    enum SpecialCharacter {
-        Null = 0x0000,
-        Tabulation = 0x0009,
-        LineFeed = 0x000a,
-        CarriageReturn = 0x000d,
-        Space = 0x0020,
-        Nbsp = 0x00a0,
-        SoftHyphen = 0x00ad,
-        ReplacementCharacter = 0xfffd,
-        ObjectReplacementCharacter = 0xfffc,
-        ByteOrderMark = 0xfeff,
-        ByteOrderSwapped = 0xfffe,
-        ParagraphSeparator = 0x2029,
-        LineSeparator = 0x2028,
-        LastValidCodePoint = 0x10ffff
-    };
-
-    Q_DECL_CONSTEXPR QChar() noexcept : ucs(0) {}
-    Q_DECL_CONSTEXPR QChar(ushort rc) noexcept : ucs(rc) {} // implicit
-    Q_DECL_CONSTEXPR QChar(uchar c, uchar r) noexcept : ucs(ushort((r << 8) | c)) {}
-    Q_DECL_CONSTEXPR QChar(short rc) noexcept : ucs(ushort(rc)) {} // implicit
-    Q_DECL_CONSTEXPR QChar(uint rc) noexcept : ucs(ushort(rc & 0xffff)) {}
-    Q_DECL_CONSTEXPR QChar(int rc) noexcept : ucs(ushort(rc & 0xffff)) {}
-    Q_DECL_CONSTEXPR QChar(SpecialCharacter s) noexcept : ucs(ushort(s)) {} // implicit
-    Q_DECL_CONSTEXPR QChar(QLatin1Char ch) noexcept : ucs(ch.unicode()) {} // implicit
-#if defined(Q_COMPILER_UNICODE_STRINGS)
-    Q_DECL_CONSTEXPR QChar(char16_t ch) noexcept : ucs(ushort(ch)) {} // implicit
-#endif
-#if defined(Q_OS_WIN)
-    Q_STATIC_ASSERT(sizeof(wchar_t) == sizeof(ushort));
-#endif
-#if defined(Q_OS_WIN) || defined(Q_CLANG_QDOC)
-#   if !defined(_WCHAR_T_DEFINED) || defined(_NATIVE_WCHAR_T_DEFINED)
-    Q_DECL_CONSTEXPR QChar(wchar_t ch) noexcept : ucs(ushort(ch)) {} // implicit
-#   endif
-#endif
-
-#ifndef QT_NO_CAST_FROM_ASCII
-    QT_ASCII_CAST_WARN Q_DECL_CONSTEXPR explicit QChar(char c) noexcept : ucs(uchar(c)) { }
-#ifndef QT_RESTRICTED_CAST_FROM_ASCII
-    QT_ASCII_CAST_WARN Q_DECL_CONSTEXPR explicit QChar(uchar c) noexcept : ucs(c) { }
-#endif
-#endif
-    // Unicode information
-
-    enum Category
-    {
-        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
-    };
-
-    enum Script
-    {
-        Script_Unknown,
-        Script_Inherited,
-        Script_Common,
-
-        Script_Latin,
-        Script_Greek,
-        Script_Cyrillic,
-        Script_Armenian,
-        Script_Hebrew,
-        Script_Arabic,
-        Script_Syriac,
-        Script_Thaana,
-        Script_Devanagari,
-        Script_Bengali,
-        Script_Gurmukhi,
-        Script_Gujarati,
-        Script_Oriya,
-        Script_Tamil,
-        Script_Telugu,
-        Script_Kannada,
-        Script_Malayalam,
-        Script_Sinhala,
-        Script_Thai,
-        Script_Lao,
-        Script_Tibetan,
-        Script_Myanmar,
-        Script_Georgian,
-        Script_Hangul,
-        Script_Ethiopic,
-        Script_Cherokee,
-        Script_CanadianAboriginal,
-        Script_Ogham,
-        Script_Runic,
-        Script_Khmer,
-        Script_Mongolian,
-        Script_Hiragana,
-        Script_Katakana,
-        Script_Bopomofo,
-        Script_Han,
-        Script_Yi,
-        Script_OldItalic,
-        Script_Gothic,
-        Script_Deseret,
-        Script_Tagalog,
-        Script_Hanunoo,
-        Script_Buhid,
-        Script_Tagbanwa,
-        Script_Coptic,
-
-        // Unicode 4.0 additions
-        Script_Limbu,
-        Script_TaiLe,
-        Script_LinearB,
-        Script_Ugaritic,
-        Script_Shavian,
-        Script_Osmanya,
-        Script_Cypriot,
-        Script_Braille,
-
-        // Unicode 4.1 additions
-        Script_Buginese,
-        Script_NewTaiLue,
-        Script_Glagolitic,
-        Script_Tifinagh,
-        Script_SylotiNagri,
-        Script_OldPersian,
-        Script_Kharoshthi,
-
-        // Unicode 5.0 additions
-        Script_Balinese,
-        Script_Cuneiform,
-        Script_Phoenician,
-        Script_PhagsPa,
-        Script_Nko,
-
-        // Unicode 5.1 additions
-        Script_Sundanese,
-        Script_Lepcha,
-        Script_OlChiki,
-        Script_Vai,
-        Script_Saurashtra,
-        Script_KayahLi,
-        Script_Rejang,
-        Script_Lycian,
-        Script_Carian,
-        Script_Lydian,
-        Script_Cham,
-
-        // Unicode 5.2 additions
-        Script_TaiTham,
-        Script_TaiViet,
-        Script_Avestan,
-        Script_EgyptianHieroglyphs,
-        Script_Samaritan,
-        Script_Lisu,
-        Script_Bamum,
-        Script_Javanese,
-        Script_MeeteiMayek,
-        Script_ImperialAramaic,
-        Script_OldSouthArabian,
-        Script_InscriptionalParthian,
-        Script_InscriptionalPahlavi,
-        Script_OldTurkic,
-        Script_Kaithi,
-
-        // Unicode 6.0 additions
-        Script_Batak,
-        Script_Brahmi,
-        Script_Mandaic,
-
-        // Unicode 6.1 additions
-        Script_Chakma,
-        Script_MeroiticCursive,
-        Script_MeroiticHieroglyphs,
-        Script_Miao,
-        Script_Sharada,
-        Script_SoraSompeng,
-        Script_Takri,
-
-        // Unicode 7.0 additions
-        Script_CaucasianAlbanian,
-        Script_BassaVah,
-        Script_Duployan,
-        Script_Elbasan,
-        Script_Grantha,
-        Script_PahawhHmong,
-        Script_Khojki,
-        Script_LinearA,
-        Script_Mahajani,
-        Script_Manichaean,
-        Script_MendeKikakui,
-        Script_Modi,
-        Script_Mro,
-        Script_OldNorthArabian,
-        Script_Nabataean,
-        Script_Palmyrene,
-        Script_PauCinHau,
-        Script_OldPermic,
-        Script_PsalterPahlavi,
-        Script_Siddham,
-        Script_Khudawadi,
-        Script_Tirhuta,
-        Script_WarangCiti,
-
-        // Unicode 8.0 additions
-        Script_Ahom,
-        Script_AnatolianHieroglyphs,
-        Script_Hatran,
-        Script_Multani,
-        Script_OldHungarian,
-        Script_SignWriting,
-
-        // Unicode 9.0 additions
-        Script_Adlam,
-        Script_Bhaiksuki,
-        Script_Marchen,
-        Script_Newa,
-        Script_Osage,
-        Script_Tangut,
-
-        // Unicode 10.0 additions
-        Script_MasaramGondi,
-        Script_Nushu,
-        Script_Soyombo,
-        Script_ZanabazarSquare,
-
-        ScriptCount
-    };
-
-    enum Direction
-    {
-        DirL, DirR, DirEN, DirES, DirET, DirAN, DirCS, DirB, DirS, DirWS, DirON,
-        DirLRE, DirLRO, DirAL, DirRLE, DirRLO, DirPDF, DirNSM, DirBN,
-        DirLRI, DirRLI, DirFSI, DirPDI
-    };
-
-    enum Decomposition
-    {
-        NoDecomposition,
-        Canonical,
-        Font,
-        NoBreak,
-        Initial,
-        Medial,
-        Final,
-        Isolated,
-        Circle,
-        Super,
-        Sub,
-        Vertical,
-        Wide,
-        Narrow,
-        Small,
-        Square,
-        Compat,
-        Fraction
-    };
-
-    enum JoiningType {
-        Joining_None,
-        Joining_Causing,
-        Joining_Dual,
-        Joining_Right,
-        Joining_Left,
-        Joining_Transparent
-    };
-
-#if QT_DEPRECATED_SINCE(5, 3)
-    enum Joining
-    {
-        OtherJoining, Dual, Right, Center
-    };
-#endif
-
-    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,
-        Unicode_5_1,
-        Unicode_5_2,
-        Unicode_6_0,
-        Unicode_6_1,
-        Unicode_6_2,
-        Unicode_6_3,
-        Unicode_7_0,
-        Unicode_8_0,
-        Unicode_9_0,
-        Unicode_10_0
-    };
-    // ****** WHEN ADDING FUNCTIONS, CONSIDER ADDING TO QCharRef TOO
-
-    inline Category category() const noexcept { return QChar::category(ucs); }
-    inline Direction direction() const noexcept { return QChar::direction(ucs); }
-    inline JoiningType joiningType() const noexcept { return QChar::joiningType(ucs); }
-#if QT_DEPRECATED_SINCE(5, 3)
-    QT_DEPRECATED inline Joining joining() const noexcept
-    {
-        switch (QChar::joiningType(ucs)) {
-        case QChar::Joining_Causing: return QChar::Center;
-        case QChar::Joining_Dual: return QChar::Dual;
-        case QChar::Joining_Right: return QChar::Right;
-        case QChar::Joining_None:
-        case QChar::Joining_Left:
-        case QChar::Joining_Transparent:
-        default: return QChar::OtherJoining;
-        }
-    }
-#endif
-    inline unsigned char combiningClass() const noexcept { return QChar::combiningClass(ucs); }
-
-    inline QChar mirroredChar() const noexcept { return QChar(QChar::mirroredChar(ucs)); }
-    inline bool hasMirrored() const noexcept { return QChar::hasMirrored(ucs); }
-
-    QString decomposition() const;
-    inline Decomposition decompositionTag() const noexcept { return QChar::decompositionTag(ucs); }
-
-    inline int digitValue() const noexcept { return QChar::digitValue(ucs); }
-    inline QChar toLower() const noexcept { return QChar(QChar::toLower(ucs)); }
-    inline QChar toUpper() const noexcept { return QChar(QChar::toUpper(ucs)); }
-    inline QChar toTitleCase() const noexcept { return QChar(QChar::toTitleCase(ucs)); }
-    inline QChar toCaseFolded() const noexcept { return QChar(QChar::toCaseFolded(ucs)); }
-
-    inline Script script() const noexcept { return QChar::script(ucs); }
-
-    inline UnicodeVersion unicodeVersion() const noexcept { return QChar::unicodeVersion(ucs); }
-
-#if QT_DEPRECATED_SINCE(5, 0)
-    QT_DEPRECATED Q_DECL_CONSTEXPR inline char toAscii() const noexcept { return toLatin1(); }
-#endif
-    Q_DECL_CONSTEXPR inline char toLatin1() const noexcept { return ucs > 0xff ? '\0' : char(ucs); }
-    Q_DECL_CONSTEXPR inline ushort unicode() const noexcept { return ucs; }
-    Q_DECL_RELAXED_CONSTEXPR inline ushort &unicode() noexcept { return ucs; }
-
-#if QT_DEPRECATED_SINCE(5, 0)
-    QT_DEPRECATED static Q_DECL_CONSTEXPR inline QChar fromAscii(char c) noexcept
-    { return fromLatin1(c); }
-#endif
-    static Q_DECL_CONSTEXPR inline QChar fromLatin1(char c) noexcept { return QChar(ushort(uchar(c))); }
-
-    Q_DECL_CONSTEXPR inline bool isNull() const noexcept { return ucs == 0; }
-
-    inline bool isPrint() const noexcept { return QChar::isPrint(ucs); }
-    Q_DECL_CONSTEXPR inline bool isSpace() const noexcept { return QChar::isSpace(ucs); }
-    inline bool isMark() const noexcept { return QChar::isMark(ucs); }
-    inline bool isPunct() const noexcept { return QChar::isPunct(ucs); }
-    inline bool isSymbol() const noexcept { return QChar::isSymbol(ucs); }
-    Q_DECL_CONSTEXPR inline bool isLetter() const noexcept { return QChar::isLetter(ucs); }
-    Q_DECL_CONSTEXPR inline bool isNumber() const noexcept { return QChar::isNumber(ucs); }
-    Q_DECL_CONSTEXPR inline bool isLetterOrNumber() const noexcept { return QChar::isLetterOrNumber(ucs); }
-    Q_DECL_CONSTEXPR inline bool isDigit() const noexcept { return QChar::isDigit(ucs); }
-    Q_DECL_CONSTEXPR inline bool isLower() const noexcept { return QChar::isLower(ucs); }
-    Q_DECL_CONSTEXPR inline bool isUpper() const noexcept { return QChar::isUpper(ucs); }
-    Q_DECL_CONSTEXPR inline bool isTitleCase() const noexcept { return QChar::isTitleCase(ucs); }
-
-    Q_DECL_CONSTEXPR inline bool isNonCharacter() const noexcept { return QChar::isNonCharacter(ucs); }
-    Q_DECL_CONSTEXPR inline bool isHighSurrogate() const noexcept { return QChar::isHighSurrogate(ucs); }
-    Q_DECL_CONSTEXPR inline bool isLowSurrogate() const noexcept { return QChar::isLowSurrogate(ucs); }
-    Q_DECL_CONSTEXPR inline bool isSurrogate() const noexcept { return QChar::isSurrogate(ucs); }
-
-    Q_DECL_CONSTEXPR inline uchar cell() const noexcept { return uchar(ucs & 0xff); }
-    Q_DECL_CONSTEXPR inline uchar row() const noexcept { return uchar((ucs>>8)&0xff); }
-    Q_DECL_RELAXED_CONSTEXPR inline void setCell(uchar acell) noexcept { ucs = ushort((ucs & 0xff00) + acell); }
-    Q_DECL_RELAXED_CONSTEXPR inline void setRow(uchar arow) noexcept { ucs = ushort((ushort(arow)<<8) + (ucs&0xff)); }
-
-    static Q_DECL_CONSTEXPR inline bool isNonCharacter(uint ucs4) noexcept
-    {
-        return ucs4 >= 0xfdd0 && (ucs4 <= 0xfdef || (ucs4 & 0xfffe) == 0xfffe);
-    }
-    static Q_DECL_CONSTEXPR inline bool isHighSurrogate(uint ucs4) noexcept
-    {
-        return ((ucs4 & 0xfffffc00) == 0xd800);
-    }
-    static Q_DECL_CONSTEXPR inline bool isLowSurrogate(uint ucs4) noexcept
-    {
-        return ((ucs4 & 0xfffffc00) == 0xdc00);
-    }
-    static Q_DECL_CONSTEXPR inline bool isSurrogate(uint ucs4) noexcept
-    {
-        return (ucs4 - 0xd800u < 2048u);
-    }
-    static Q_DECL_CONSTEXPR inline bool requiresSurrogates(uint ucs4) noexcept
-    {
-        return (ucs4 >= 0x10000);
-    }
-    static Q_DECL_CONSTEXPR inline uint surrogateToUcs4(ushort high, ushort low) noexcept
-    {
-        return (uint(high)<<10) + low - 0x35fdc00;
-    }
-    static Q_DECL_CONSTEXPR inline uint surrogateToUcs4(QChar high, QChar low) noexcept
-    {
-        return surrogateToUcs4(high.ucs, low.ucs);
-    }
-    static Q_DECL_CONSTEXPR inline ushort highSurrogate(uint ucs4) noexcept
-    {
-        return ushort((ucs4>>10) + 0xd7c0);
-    }
-    static Q_DECL_CONSTEXPR inline ushort lowSurrogate(uint ucs4) noexcept
-    {
-        return ushort(ucs4%0x400 + 0xdc00);
-    }
-
-    static Category QT_FASTCALL category(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static Direction QT_FASTCALL direction(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static JoiningType QT_FASTCALL joiningType(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-#if QT_DEPRECATED_SINCE(5, 3)
-    QT_DEPRECATED static Joining QT_FASTCALL joining(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-#endif
-    static unsigned char QT_FASTCALL combiningClass(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static uint QT_FASTCALL mirroredChar(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL hasMirrored(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static QString QT_FASTCALL decomposition(uint ucs4);
-    static Decomposition QT_FASTCALL decompositionTag(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static int QT_FASTCALL digitValue(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static uint QT_FASTCALL toLower(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static uint QT_FASTCALL toUpper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static uint QT_FASTCALL toTitleCase(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static uint QT_FASTCALL toCaseFolded(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static Script QT_FASTCALL script(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static UnicodeVersion QT_FASTCALL unicodeVersion(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-    static UnicodeVersion QT_FASTCALL currentUnicodeVersion() noexcept Q_DECL_CONST_FUNCTION;
-
-    static bool QT_FASTCALL isPrint(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static Q_DECL_CONSTEXPR inline bool isSpace(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    {
-        // note that [0x09..0x0d] + 0x85 are exceptional Cc-s and must be handled explicitly
-        return ucs4 == 0x20 || (ucs4 <= 0x0d && ucs4 >= 0x09)
-                || (ucs4 > 127 && (ucs4 == 0x85 || ucs4 == 0xa0 || QChar::isSpace_helper(ucs4)));
-    }
-    static bool QT_FASTCALL isMark(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL isPunct(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL isSymbol(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static Q_DECL_CONSTEXPR inline bool isLetter(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    {
-        return (ucs4 >= 'A' && ucs4 <= 'z' && (ucs4 >= 'a' || ucs4 <= 'Z'))
-                || (ucs4 > 127 && QChar::isLetter_helper(ucs4));
-    }
-    static Q_DECL_CONSTEXPR inline bool isNumber(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    { return (ucs4 <= '9' && ucs4 >= '0') || (ucs4 > 127 && QChar::isNumber_helper(ucs4)); }
-    static Q_DECL_CONSTEXPR inline bool isLetterOrNumber(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    {
-        return (ucs4 >= 'A' && ucs4 <= 'z' && (ucs4 >= 'a' || ucs4 <= 'Z'))
-                || (ucs4 >= '0' && ucs4 <= '9')
-                || (ucs4 > 127 && QChar::isLetterOrNumber_helper(ucs4));
-    }
-    static Q_DECL_CONSTEXPR inline bool isDigit(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    { return (ucs4 <= '9' && ucs4 >= '0') || (ucs4 > 127 && QChar::category(ucs4) == Number_DecimalDigit); }
-    static Q_DECL_CONSTEXPR inline bool isLower(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    { return (ucs4 <= 'z' && ucs4 >= 'a') || (ucs4 > 127 && QChar::category(ucs4) == Letter_Lowercase); }
-    static Q_DECL_CONSTEXPR inline bool isUpper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    { return (ucs4 <= 'Z' && ucs4 >= 'A') || (ucs4 > 127 && QChar::category(ucs4) == Letter_Uppercase); }
-    static Q_DECL_CONSTEXPR inline bool isTitleCase(uint ucs4) noexcept Q_DECL_CONST_FUNCTION
-    { return ucs4 > 127 && QChar::category(ucs4) == Letter_Titlecase; }
-
-private:
-    static bool QT_FASTCALL isSpace_helper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL isLetter_helper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL isNumber_helper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-    static bool QT_FASTCALL isLetterOrNumber_helper(uint ucs4) noexcept Q_DECL_CONST_FUNCTION;
-
-#ifdef QT_NO_CAST_FROM_ASCII
-    QChar(char c) noexcept;
-    QChar(uchar c) noexcept;
-#endif
-
-    friend Q_DECL_CONSTEXPR bool operator==(QChar, QChar) noexcept;
-    friend Q_DECL_CONSTEXPR bool operator< (QChar, QChar) noexcept;
-    ushort ucs;
-};
-
-Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
-
-Q_DECL_CONSTEXPR inline bool operator==(QChar c1, QChar c2) noexcept { return c1.ucs == c2.ucs; }
-Q_DECL_CONSTEXPR inline bool operator< (QChar c1, QChar c2) noexcept { return c1.ucs <  c2.ucs; }
-
-Q_DECL_CONSTEXPR inline bool operator!=(QChar c1, QChar c2) noexcept { return !operator==(c1, c2); }
-Q_DECL_CONSTEXPR inline bool operator>=(QChar c1, QChar c2) noexcept { return !operator< (c1, c2); }
-Q_DECL_CONSTEXPR inline bool operator> (QChar c1, QChar c2) noexcept { return  operator< (c2, c1); }
-Q_DECL_CONSTEXPR inline bool operator<=(QChar c1, QChar c2) noexcept { return !operator< (c2, c1); }
-
-
-Q_DECL_CONSTEXPR inline bool operator==(QChar lhs, std::nullptr_t) noexcept { return lhs.isNull(); }
-Q_DECL_CONSTEXPR inline bool operator< (QChar,     std::nullptr_t) noexcept { return false; }
-Q_DECL_CONSTEXPR inline bool operator==(std::nullptr_t, QChar rhs) noexcept { return rhs.isNull(); }
-Q_DECL_CONSTEXPR inline bool operator< (std::nullptr_t, QChar rhs) noexcept { return !rhs.isNull(); }
-
-Q_DECL_CONSTEXPR inline bool operator!=(QChar lhs, std::nullptr_t) noexcept { return !operator==(lhs, nullptr); }
-Q_DECL_CONSTEXPR inline bool operator>=(QChar lhs, std::nullptr_t) noexcept { return !operator< (lhs, nullptr); }
-Q_DECL_CONSTEXPR inline bool operator> (QChar lhs, std::nullptr_t) noexcept { return  operator< (nullptr, lhs); }
-Q_DECL_CONSTEXPR inline bool operator<=(QChar lhs, std::nullptr_t) noexcept { return !operator< (nullptr, lhs); }
-
-Q_DECL_CONSTEXPR inline bool operator!=(std::nullptr_t, QChar rhs) noexcept { return !operator==(nullptr, rhs); }
-Q_DECL_CONSTEXPR inline bool operator>=(std::nullptr_t, QChar rhs) noexcept { return !operator< (nullptr, rhs); }
-Q_DECL_CONSTEXPR inline bool operator> (std::nullptr_t, QChar rhs) noexcept { return  operator< (rhs, nullptr); }
-Q_DECL_CONSTEXPR inline bool operator<=(std::nullptr_t, QChar rhs) noexcept { return !operator< (rhs, nullptr); }
-
-#ifndef QT_NO_DATASTREAM
-Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, QChar);
-Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
-#endif
-
-QT_END_NAMESPACE
-
-#endif // QCHAR_H