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400 lines
13 KiB
400 lines
13 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QCHAR_H
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#define QCHAR_H
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#include <QtCore/qglobal.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Core)
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class QString;
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struct QLatin1Char
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{
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public:
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inline explicit QLatin1Char(char c) : ch(c) {}
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#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
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inline const char toLatin1() const { return ch; }
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inline const ushort unicode() const { return ushort(uchar(ch)); }
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#else
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inline char toLatin1() const { return ch; }
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inline ushort unicode() const { return ushort(uchar(ch)); }
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#endif
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private:
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char ch;
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};
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class Q_CORE_EXPORT QChar {
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public:
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QChar();
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#ifndef QT_NO_CAST_FROM_ASCII
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QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(char c);
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QT_ASCII_CAST_WARN_CONSTRUCTOR QChar(uchar c);
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#endif
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QChar(QLatin1Char ch);
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QChar(uchar c, uchar r);
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inline QChar(ushort rc) : ucs(rc){}
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QChar(short rc);
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QChar(uint rc);
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QChar(int rc);
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enum SpecialCharacter {
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Null = 0x0000,
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Nbsp = 0x00a0,
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ReplacementCharacter = 0xfffd,
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ObjectReplacementCharacter = 0xfffc,
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ByteOrderMark = 0xfeff,
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ByteOrderSwapped = 0xfffe,
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#ifdef QT3_SUPPORT
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null = Null,
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replacement = ReplacementCharacter,
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byteOrderMark = ByteOrderMark,
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byteOrderSwapped = ByteOrderSwapped,
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nbsp = Nbsp,
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#endif
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ParagraphSeparator = 0x2029,
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LineSeparator = 0x2028
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};
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QChar(SpecialCharacter sc);
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// Unicode information
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enum Category
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{
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NoCategory,
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Mark_NonSpacing, // Mn
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Mark_SpacingCombining, // Mc
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Mark_Enclosing, // Me
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Number_DecimalDigit, // Nd
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Number_Letter, // Nl
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Number_Other, // No
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Separator_Space, // Zs
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Separator_Line, // Zl
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Separator_Paragraph, // Zp
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Other_Control, // Cc
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Other_Format, // Cf
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Other_Surrogate, // Cs
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Other_PrivateUse, // Co
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Other_NotAssigned, // Cn
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Letter_Uppercase, // Lu
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Letter_Lowercase, // Ll
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Letter_Titlecase, // Lt
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Letter_Modifier, // Lm
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Letter_Other, // Lo
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Punctuation_Connector, // Pc
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Punctuation_Dash, // Pd
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Punctuation_Open, // Ps
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Punctuation_Close, // Pe
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Punctuation_InitialQuote, // Pi
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Punctuation_FinalQuote, // Pf
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Punctuation_Other, // Po
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Symbol_Math, // Sm
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Symbol_Currency, // Sc
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Symbol_Modifier, // Sk
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Symbol_Other, // So
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Punctuation_Dask = Punctuation_Dash // oops
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};
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enum Direction
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{
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DirL, DirR, DirEN, DirES, DirET, DirAN, DirCS, DirB, DirS, DirWS, DirON,
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DirLRE, DirLRO, DirAL, DirRLE, DirRLO, DirPDF, DirNSM, DirBN
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};
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enum Decomposition
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{
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NoDecomposition,
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Canonical,
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Font,
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NoBreak,
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Initial,
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Medial,
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Final,
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Isolated,
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Circle,
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Super,
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Sub,
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Vertical,
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Wide,
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Narrow,
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Small,
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Square,
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Compat,
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Fraction
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#ifdef QT3_SUPPORT
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, Single = NoDecomposition
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#endif
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};
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enum Joining
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{
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OtherJoining, Dual, Right, Center
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};
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enum CombiningClass
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{
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Combining_BelowLeftAttached = 200,
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Combining_BelowAttached = 202,
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Combining_BelowRightAttached = 204,
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Combining_LeftAttached = 208,
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Combining_RightAttached = 210,
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Combining_AboveLeftAttached = 212,
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Combining_AboveAttached = 214,
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Combining_AboveRightAttached = 216,
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Combining_BelowLeft = 218,
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Combining_Below = 220,
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Combining_BelowRight = 222,
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Combining_Left = 224,
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Combining_Right = 226,
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Combining_AboveLeft = 228,
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Combining_Above = 230,
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Combining_AboveRight = 232,
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Combining_DoubleBelow = 233,
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Combining_DoubleAbove = 234,
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Combining_IotaSubscript = 240
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};
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enum UnicodeVersion {
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Unicode_Unassigned,
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Unicode_1_1,
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Unicode_2_0,
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Unicode_2_1_2,
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Unicode_3_0,
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Unicode_3_1,
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Unicode_3_2,
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Unicode_4_0,
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Unicode_4_1,
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Unicode_5_0
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};
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// ****** WHEN ADDING FUNCTIONS, CONSIDER ADDING TO QCharRef TOO
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Category category() const;
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Direction direction() const;
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Joining joining() const;
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bool hasMirrored() const;
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unsigned char combiningClass() const;
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QChar mirroredChar() const;
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QString decomposition() const;
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Decomposition decompositionTag() const;
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int digitValue() const;
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QChar toLower() const;
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QChar toUpper() const;
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QChar toTitleCase() const;
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QChar toCaseFolded() const;
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UnicodeVersion unicodeVersion() const;
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#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
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const char toAscii() const;
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inline const char toLatin1() const;
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inline const ushort unicode() const { return ucs; }
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#else
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char toAscii() const;
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inline char toLatin1() const;
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inline ushort unicode() const { return ucs; }
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#endif
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#ifdef Q_NO_PACKED_REFERENCE
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inline ushort &unicode() { return const_cast<ushort&>(ucs); }
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#else
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inline ushort &unicode() { return ucs; }
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#endif
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static QChar fromAscii(char c);
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static QChar fromLatin1(char c);
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inline bool isNull() const { return ucs == 0; }
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bool isPrint() const;
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bool isPunct() const;
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bool isSpace() const;
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bool isMark() const;
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bool isLetter() const;
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bool isNumber() const;
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bool isLetterOrNumber() const;
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bool isDigit() const;
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bool isSymbol() const;
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inline bool isLower() const { return category() == Letter_Lowercase; }
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inline bool isUpper() const { return category() == Letter_Uppercase; }
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inline bool isTitleCase() const { return category() == Letter_Titlecase; }
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inline bool isHighSurrogate() const {
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return ((ucs & 0xfc00) == 0xd800);
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}
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inline bool isLowSurrogate() const {
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return ((ucs & 0xfc00) == 0xdc00);
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}
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inline uchar cell() const { return uchar(ucs & 0xff); }
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inline uchar row() const { return uchar((ucs>>8)&0xff); }
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inline void setCell(uchar cell);
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inline void setRow(uchar row);
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static inline uint surrogateToUcs4(ushort high, ushort low) {
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return (uint(high)<<10) + low - 0x35fdc00;
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}
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static inline uint surrogateToUcs4(QChar high, QChar low) {
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return (uint(high.ucs)<<10) + low.ucs - 0x35fdc00;
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}
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static inline ushort highSurrogate(uint ucs4) {
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return ushort((ucs4>>10) + 0xd7c0);
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}
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static inline ushort lowSurrogate(uint ucs4) {
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return ushort(ucs4%0x400 + 0xdc00);
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}
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static Category QT_FASTCALL category(uint ucs4);
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static Category QT_FASTCALL category(ushort ucs2);
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static Direction QT_FASTCALL direction(uint ucs4);
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static Direction QT_FASTCALL direction(ushort ucs2);
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static Joining QT_FASTCALL joining(uint ucs4);
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static Joining QT_FASTCALL joining(ushort ucs2);
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static unsigned char QT_FASTCALL combiningClass(uint ucs4);
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static unsigned char QT_FASTCALL combiningClass(ushort ucs2);
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static uint QT_FASTCALL mirroredChar(uint ucs4);
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static ushort QT_FASTCALL mirroredChar(ushort ucs2);
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static Decomposition QT_FASTCALL decompositionTag(uint ucs4);
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static int QT_FASTCALL digitValue(uint ucs4);
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static int QT_FASTCALL digitValue(ushort ucs2);
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static uint QT_FASTCALL toLower(uint ucs4);
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static ushort QT_FASTCALL toLower(ushort ucs2);
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static uint QT_FASTCALL toUpper(uint ucs4);
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static ushort QT_FASTCALL toUpper(ushort ucs2);
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static uint QT_FASTCALL toTitleCase(uint ucs4);
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static ushort QT_FASTCALL toTitleCase(ushort ucs2);
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static uint QT_FASTCALL toCaseFolded(uint ucs4);
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static ushort QT_FASTCALL toCaseFolded(ushort ucs2);
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static UnicodeVersion QT_FASTCALL unicodeVersion(uint ucs4);
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static UnicodeVersion QT_FASTCALL unicodeVersion(ushort ucs2);
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static QString QT_FASTCALL decomposition(uint ucs4);
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#ifdef QT3_SUPPORT
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inline QT3_SUPPORT bool mirrored() const { return hasMirrored(); }
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inline QT3_SUPPORT QChar lower() const { return toLower(); }
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inline QT3_SUPPORT QChar upper() const { return toUpper(); }
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static inline QT3_SUPPORT bool networkOrdered() {
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return QSysInfo::ByteOrder == QSysInfo::BigEndian;
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}
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#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
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inline QT3_SUPPORT const char latin1() const { return toLatin1(); }
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inline QT3_SUPPORT const char ascii() const { return toAscii(); }
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#else
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inline QT3_SUPPORT char latin1() const { return toLatin1(); }
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inline QT3_SUPPORT char ascii() const { return toAscii(); }
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#endif
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#endif
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operator int () const;
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private:
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#ifdef QT_NO_CAST_FROM_ASCII
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QChar(char c);
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QChar(uchar c);
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#endif
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ushort ucs;
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}
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#if (defined(__arm__) || defined(__ARMEL__))
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Q_PACKED
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#endif
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;
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Q_DECLARE_TYPEINFO(QChar, Q_MOVABLE_TYPE);
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inline QChar::QChar() : ucs(0) {}
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#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
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inline const char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
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#else
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inline char QChar::toLatin1() const { return ucs > 0xff ? '\0' : char(ucs); }
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#endif
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inline QChar QChar::fromLatin1(char c) { return QChar(ushort(uchar(c))); }
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inline QChar::QChar(uchar c, uchar r) : ucs(ushort((r << 8) | c)){}
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inline QChar::QChar(short rc) : ucs(ushort(rc)){}
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inline QChar::QChar(uint rc) : ucs(ushort(rc & 0xffff)){}
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inline QChar::QChar(int rc) : ucs(ushort(rc & 0xffff)){}
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inline QChar::QChar(SpecialCharacter s) : ucs(ushort(s)) {}
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inline QChar::QChar(QLatin1Char ch) : ucs(ch.unicode()) {}
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inline void QChar::setCell(uchar acell)
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{ ucs = ushort((ucs & 0xff00) + acell); }
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inline void QChar::setRow(uchar arow)
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{ ucs = ushort((ushort(arow)<<8) + (ucs&0xff)); }
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inline bool operator==(QChar c1, QChar c2) { return c1.unicode() == c2.unicode(); }
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inline bool operator!=(QChar c1, QChar c2) { return c1.unicode() != c2.unicode(); }
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inline bool operator<=(QChar c1, QChar c2) { return c1.unicode() <= c2.unicode(); }
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inline bool operator>=(QChar c1, QChar c2) { return c1.unicode() >= c2.unicode(); }
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inline bool operator<(QChar c1, QChar c2) { return c1.unicode() < c2.unicode(); }
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inline bool operator>(QChar c1, QChar c2) { return c1.unicode() > c2.unicode(); }
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#ifndef QT_NO_DATASTREAM
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Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QChar &);
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Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QChar &);
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QCHAR_H
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