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qstring.h
这里是qstring.h包含文件的所有文本，一字不差。它仅仅用来说明，版权由Trolltech保留。
/**************************************************************************** ** $Id$ ** ** Definition of the QString class, and related Unicode ** functions. ** ** Created : 920609 ** ** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. ** ** This file is part of the tools module of the Qt GUI Toolkit. ** ** This file may be distributed under the terms of the Q Public License ** as defined by Trolltech AS of Norway and appearing in the file ** LICENSE.QPL included in the packaging of this file. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition ** licenses may use this file in accordance with the Qt Commercial License ** Agreement provided with the Software. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/pricing.html or email [email protected] for ** information about Qt Commercial License Agreements. ** See http://www.trolltech.com/qpl/ for QPL licensing information. ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact [email protected] if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #ifndef QSTRING_H #define QSTRING_H #ifndef QT_H #include "qcstring.h" #endif // QT_H /***************************************************************************** QString class *****************************************************************************/ class QRegExp; class QString; class QCharRef; class Q_EXPORT QChar { public: QChar(); QChar( char c ); QChar( uchar c ); QChar( uchar c, uchar r ); QChar( const QChar& c ); QChar( ushort rc ); QChar( short rc ); QChar( uint rc ); QChar( int rc ); QT_STATIC_CONST QChar null; // 0000 QT_STATIC_CONST QChar replacement; // FFFD QT_STATIC_CONST QChar byteOrderMark; // FEFF QT_STATIC_CONST QChar byteOrderSwapped; // FFFE QT_STATIC_CONST QChar nbsp; // 00A0 // 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_Dask = Punctuation_Dash, // oops 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 Direction { DirL, DirR, DirEN, DirES, DirET, DirAN, DirCS, DirB, DirS, DirWS, DirON, DirLRE, DirLRO, DirAL, DirRLE, DirRLO, DirPDF, DirNSM, DirBN }; enum Decomposition { Single, 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 }; // ****** WHEN ADDING FUNCTIONS, CONSIDER ADDING TO QCharRef TOO int digitValue() const; QChar lower() const; QChar upper() const; Category category() const; Direction direction() const; Joining joining() const; bool mirrored() const; QChar mirroredChar() const; const QString &decomposition() const; Decomposition decompositionTag() const; unsigned char combiningClass() const; char latin1() const { return ucs > 0xff ? 0 : (char) ucs; } ushort unicode() const { return ucs; } ushort &unicode() { return ucs; } #ifndef QT_NO_CAST_ASCII // like all ifdef'd code this is undocumented operator char() const { return latin1(); } #endif bool isNull() const { return unicode()==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; uchar cell() const { return ((uchar) ucs & 0xff); } uchar row() const { return ((uchar) (ucs>>8)&0xff); } void setCell( uchar cell ) { ucs = (ucs & 0xff00) + cell; } void setRow( uchar row ) { ucs = (((ushort) row)<<8) + (ucs&0xff); } static bool networkOrdered() { int wordSize; bool bigEndian = FALSE; qSysInfo( &wordSize, &bigEndian ); return bigEndian; } friend inline bool operator==( char ch, QChar c ); friend inline bool operator==( QChar c, char ch ); friend inline bool operator==( QChar c1, QChar c2 ); friend inline bool operator!=( QChar c1, QChar c2 ); friend inline bool operator!=( char ch, QChar c ); friend inline bool operator!=( QChar c, char ch ); friend inline bool operator<=( QChar c, char ch ); friend inline bool operator<=( char ch, QChar c ); friend inline bool operator<=( QChar c1, QChar c2 ); private: ushort ucs; #if defined(QT_QSTRING_UCS_4) ushort grp; #endif } Q_PACKED; inline QChar::QChar() { ucs = 0; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( char c ) { ucs = (uchar)c; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( uchar c ) { ucs = c; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( uchar c, uchar r ) { ucs = (r << 8) | c; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( const QChar& c ) { ucs = c.ucs; #ifdef QT_QSTRING_UCS_4 grp = c.grp; #endif } inline QChar::QChar( ushort rc ) { ucs = rc; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( short rc ) { ucs = (ushort) rc; #ifdef QT_QSTRING_UCS_4 grp = 0; #endif } inline QChar::QChar( uint rc ) { ucs = (ushort ) (rc & 0xffff); #ifdef QT_QSTRING_UCS_4 grp = (ushort) ((rc >> 16) & 0xffff); #endif } inline QChar::QChar( int rc ) { ucs = (ushort) (rc & 0xffff); #ifdef QT_QSTRING_UCS_4 grp = (ushort) ((rc >> 16) & 0xffff); #endif } inline bool operator==( char ch, QChar c ) { return ((uchar) ch) == c.ucs; } inline bool operator==( QChar c, char ch ) { return ((uchar) ch) == c.ucs; } inline bool operator==( QChar c1, QChar c2 ) { return c1.ucs == c2.ucs; } inline bool operator!=( QChar c1, QChar c2 ) { return c1.ucs != c2.ucs; } inline bool operator!=( char ch, QChar c ) { return ((uchar)ch) != c.ucs; } inline bool operator!=( QChar c, char ch ) { return ((uchar) ch) != c.ucs; } inline bool operator<=( QChar c, char ch ) { return c.ucs <= ((uchar) ch); } inline bool operator<=( char ch, QChar c ) { return ((uchar) ch) <= c.ucs; } inline bool operator<=( QChar c1, QChar c2 ) { return c1.ucs <= c2.ucs; } inline bool operator>=( QChar c, char ch ) { return ch <= c; } inline bool operator>=( char ch, QChar c ) { return c <= ch; } inline bool operator>=( QChar c1, QChar c2 ) { return c2 <= c1; } inline bool operator<( QChar c, char ch ) { return !(ch<=c); } inline bool operator<( char ch, QChar c ) { return !(c<=ch); } inline bool operator<( QChar c1, QChar c2 ) { return !(c2<=c1); } inline bool operator>( QChar c, char ch ) { return !(ch>=c); } inline bool operator>( char ch, QChar c ) { return !(c>=ch); } inline bool operator>( QChar c1, QChar c2 ) { return !(c2>=c1); } // internal struct Q_EXPORT QStringData : public QShared { QStringData() : unicode(0), ascii(0), len(0), simpletext(1), maxl(0), dirty(0) { ref(); } QStringData(QChar *u, uint l, uint m) : unicode(u), ascii(0), len(l), simpletext(1), maxl(m), dirty(1) { } ~QStringData() { if ( unicode ) delete[] ((char*)unicode); if ( ascii ) delete[] ascii; } void deleteSelf(); QChar *unicode; char *ascii; void setDirty() { if ( ascii ) { delete [] ascii; ascii = 0; } dirty = 1; } #ifdef Q_OS_MAC9 uint len; #else uint len : 30; #endif uint simpletext : 1; #ifdef Q_OS_MAC9 uint maxl; #else uint maxl : 30; #endif uint dirty : 1; }; class Q_EXPORT QString { public: QString(); // make null string QString( QChar ); // one-char string QString( const QString & ); // impl-shared copy QString( const QByteArray& ); // deep copy QString( const QChar* unicode, uint length ); // deep copy #ifndef QT_NO_CAST_ASCII QString( const char *str ); // deep copy #endif ~QString(); QString &operator=( const QString & ); // impl-shared copy #ifndef QT_NO_CAST_ASCII QString &operator=( const char * ); // deep copy #endif QString &operator=( const QCString& ); // deep copy QString &operator=( QChar c ); QString &operator=( char c ); QT_STATIC_CONST QString null; bool isNull() const; bool isEmpty() const; uint length() const; void truncate( uint pos ); QString & fill( QChar c, int len = -1 ); QString copy() const; QString arg( long a, int fieldwidth=0, int base=10 ) const; QString arg( ulong a, int fieldwidth=0, int base=10 ) const; QString arg( int a, int fieldwidth=0, int base=10 ) const; QString arg( uint a, int fieldwidth=0, int base=10 ) const; QString arg( short a, int fieldwidth=0, int base=10 ) const; QString arg( ushort a, int fieldwidth=0, int base=10 ) const; QString arg( char a, int fieldwidth=0 ) const; QString arg( QChar a, int fieldwidth=0 ) const; QString arg( const QString& a, int fieldwidth=0 ) const; QString arg( double a, int fieldwidth=0, char fmt='g', int prec=-1 ) const; #ifndef QT_NO_SPRINTF QString &sprintf( const char* format, ... ) #if defined(Q_CC_GNU) && !defined(__INSURE__) __attribute__ ((format (printf, 2, 3))) #endif ; #endif int find( QChar c, int index=0, bool cs=TRUE ) const; int find( char c, int index=0, bool cs=TRUE ) const; int find( const QString &str, int index=0, bool cs=TRUE ) const; #ifndef QT_NO_REGEXP int find( const QRegExp &, int index=0 ) const; #endif #ifndef QT_NO_CAST_ASCII int find( const char* str, int index=0 ) const; #endif int findRev( QChar c, int index=-1, bool cs=TRUE) const; int findRev( char c, int index=-1, bool cs=TRUE) const; int findRev( const QString &str, int index=-1, bool cs=TRUE) const; #ifndef QT_NO_REGEXP int findRev( const QRegExp &, int index=-1 ) const; #endif #ifndef QT_NO_CAST_ASCII int findRev( const char* str, int index=-1 ) const; #endif int contains( QChar c, bool cs=TRUE ) const; int contains( char c, bool cs=TRUE ) const { return contains(QChar(c), cs); } #ifndef QT_NO_CAST_ASCII int contains( const char* str, bool cs=TRUE ) const; #endif int contains( const QString &str, bool cs=TRUE ) const; #ifndef QT_NO_REGEXP int contains( const QRegExp & ) const; #endif enum SectionFlags { SectionDefault = 0x00, SectionSkipEmpty = 0x01, SectionIncludeLeadingSep = 0x02, SectionIncludeTrailingSep = 0x04, SectionCaseInsensitiveSeps = 0x08 }; QString section( QChar sep, int start, int end = 0xffffffff, int flags = SectionDefault ) const; QString section( char sep, int start, int end = 0xffffffff, int flags = SectionDefault ) const; #ifndef QT_NO_CAST_ASCII QString section( const char *in_sep, int start, int end = 0xffffffff, int flags = SectionDefault ) const; #endif QString section( const QString &in_sep, int start, int end = 0xffffffff, int flags = SectionDefault ) const; #ifndef QT_NO_REGEXP QString section( const QRegExp ®, int start, int end = 0xffffffff, int flags = SectionDefault ) const; #endif QString left( uint len ) const; QString right( uint len ) const; QString mid( uint index, uint len=0xffffffff) const; QString leftJustify( uint width, QChar fill=' ', bool trunc=FALSE)const; QString rightJustify( uint width, QChar fill=' ',bool trunc=FALSE)const; QString lower() const; QString upper() const; QString stripWhiteSpace() const; QString simplifyWhiteSpace() const; QString &insert( uint index, const QString & ); QString &insert( uint index, const QChar*, uint len ); QString &insert( uint index, QChar ); QString &insert( uint index, char c ) { return insert(index,QChar(c)); } QString &append( char ); QString &append( QChar ); QString &append( const QString & ); QString &prepend( char ); QString &prepend( QChar ); QString &prepend( const QString & ); QString &remove( uint index, uint len ); QString &replace( uint index, uint len, const QString & ); QString &replace( uint index, uint len, const QChar*, uint clen ); #ifndef QT_NO_REGEXP QString &replace( const QRegExp &, const QString & ); #endif short toShort( bool *ok=0, int base=10 ) const; ushort toUShort( bool *ok=0, int base=10 ) const; int toInt( bool *ok=0, int base=10 ) const; uint toUInt( bool *ok=0, int base=10 ) const; long toLong( bool *ok=0, int base=10 ) const; ulong toULong( bool *ok=0, int base=10 ) const; float toFloat( bool *ok=0 ) const; double toDouble( bool *ok=0 ) const; QString &setNum( short, int base=10 ); QString &setNum( ushort, int base=10 ); QString &setNum( int, int base=10 ); QString &setNum( uint, int base=10 ); QString &setNum( long, int base=10 ); QString &setNum( ulong, int base=10 ); QString &setNum( float, char f='g', int prec=6 ); QString &setNum( double, char f='g', int prec=6 ); static QString number( long, int base=10 ); static QString number( ulong, int base=10); static QString number( int, int base=10 ); static QString number( uint, int base=10); static QString number( double, char f='g', int prec=6 ); void setExpand( uint index, QChar c ); QString &operator+=( const QString &str ); QString &operator+=( QChar c ); QString &operator+=( char c ); QChar at( uint i ) const { return i < d->len ? d->unicode[i] : QChar::null; } QChar operator[]( int i ) const { return at((uint)i); } QCharRef at( uint i ); QCharRef operator[]( int i ); QChar constref(uint i) const { return at(i); } QChar& ref(uint i) { // Optimized for easy-inlining by simple compilers. if ( d->count != 1 || i >= d->len ) subat( i ); d->setDirty(); return d->unicode[i]; } const QChar* unicode() const { return d->unicode; } const char* ascii() const { return latin1(); } const char* latin1() const; static QString fromLatin1(const char*, int len=-1); #ifndef QT_NO_TEXTCODEC QCString utf8() const; static QString fromUtf8(const char*, int len=-1); #endif QCString local8Bit() const; static QString fromLocal8Bit(const char*, int len=-1); bool operator!() const; #ifndef QT_NO_ASCII_CAST operator const char *() const { return latin1(); } #endif QString &setUnicode( const QChar* unicode, uint len ); QString &setUnicodeCodes( const ushort* unicode_as_ushorts, uint len ); QString &setLatin1( const char*, int len=-1 ); int compare( const QString& s ) const; static int compare( const QString& s1, const QString& s2 ) { return s1.compare( s2 ); } int localeAwareCompare( const QString& s ) const; static int localeAwareCompare( const QString& s1, const QString& s2 ) { return s1.localeAwareCompare( s2 ); } #ifndef QT_NO_DATASTREAM friend Q_EXPORT QDataStream &operator>>( QDataStream &, QString & ); #endif void compose(); #ifndef QT_NO_COMPAT const char* data() const { return latin1(); } #endif bool startsWith( const QString& ) const; bool endsWith( const QString& ) const; void setLength( uint newLength ); bool simpleText() const { if ( d->dirty ) checkSimpleText(); return (bool)d->simpletext; } bool isRightToLeft() const; private: /* In Qt 1.0 and 2.0, users could write str.replace(QString("foo"), QString("bar")) and "foo" was automatically converted into a regexp. In Qt 3.0, this gives a compiler error. Users have to write QRegExp("foo"). In Qt 3.1 or 4.0, we will move replace() to the public API. */ QString& replace( const QString &, const QString & ) { return *this; } QString( int size, bool /* dummy */ ); // allocate size incl. \0 void deref(); void real_detach(); void subat( uint ); bool findArg(int& pos, int& len) const; void checkSimpleText() const; static QChar* asciiToUnicode( const char*, uint * len, uint maxlen=(uint)-1 ); static QChar* asciiToUnicode( const QByteArray&, uint * len ); static char* unicodeToAscii( const QChar*, uint len ); QStringData *d; static QStringData* shared_null; static QStringData* makeSharedNull(); friend class QConstString; friend class QTextStream; QString( QStringData* dd, bool /* dummy */ ) : d(dd) { } }; class Q_EXPORT QCharRef { friend class QString; QString& s; uint p; QCharRef(QString* str, uint pos) : s(*str), p(pos) { } public: // most QChar operations repeated here... // all this is not documented: We just say "like QChar" and let it be. #ifndef Q_QDOC ushort unicode() const { return s.constref(p).unicode(); } char latin1() const { return s.constref(p).latin1(); } // An operator= for each QChar cast constructor... QCharRef operator=(char c ) { s.ref(p)=c; return *this; } QCharRef operator=(uchar c ) { s.ref(p)=c; return *this; } QCharRef operator=(QChar c ) { s.ref(p)=c; return *this; } QCharRef operator=(const QCharRef& c ) { s.ref(p)=c.unicode(); return *this; } QCharRef operator=(ushort rc ) { s.ref(p)=rc; return *this; } QCharRef operator=(short rc ) { s.ref(p)=rc; return *this; } QCharRef operator=(uint rc ) { s.ref(p)=rc; return *this; } QCharRef operator=(int rc ) { s.ref(p)=rc; return *this; } operator QChar () const { return s.constref(p); } // each function... bool isNull() const { return unicode()==0; } bool isPrint() const { return s.constref(p).isPrint(); } bool isPunct() const { return s.constref(p).isPunct(); } bool isSpace() const { return s.constref(p).isSpace(); } bool isMark() const { return s.constref(p).isMark(); } bool isLetter() const { return s.constref(p).isLetter(); } bool isNumber() const { return s.constref(p).isNumber(); } bool isLetterOrNumber() { return s.constref(p).isLetterOrNumber(); } bool isDigit() const { return s.constref(p).isDigit(); } int digitValue() const { return s.constref(p).digitValue(); } QChar lower() const { return s.constref(p).lower(); } QChar upper() const { return s.constref(p).upper(); } QChar::Category category() const { return s.constref(p).category(); } QChar::Direction direction() const { return s.constref(p).direction(); } QChar::Joining joining() const { return s.constref(p).joining(); } bool mirrored() const { return s.constref(p).mirrored(); } QChar mirroredChar() const { return s.constref(p).mirroredChar(); } const QString &decomposition() const { return s.constref(p).decomposition(); } QChar::Decomposition decompositionTag() const { return s.constref(p).decompositionTag(); } unsigned char combiningClass() const { return s.constref(p).combiningClass(); } // Not the non-const ones of these. uchar cell() const { return s.constref(p).cell(); } uchar row() const { return s.constref(p).row(); } #endif }; inline QCharRef QString::at( uint i ) { return QCharRef(this,i); } inline QCharRef QString::operator[]( int i ) { return at((uint)i); } class Q_EXPORT QConstString : private QString { public: QConstString( const QChar* unicode, uint length ); ~QConstString(); const QString& string() const { return *this; } }; /***************************************************************************** QString stream functions *****************************************************************************/ #ifndef QT_NO_DATASTREAM Q_EXPORT QDataStream &operator<<( QDataStream &, const QString & ); Q_EXPORT QDataStream &operator>>( QDataStream &, QString & ); #endif /***************************************************************************** QString inline functions *****************************************************************************/ // These two move code into makeSharedNull() and deletesData() // to improve cache-coherence (and reduce code bloat), while // keeping the common cases fast. // // No safe way to pre-init shared_null on ALL compilers/linkers. inline QString::QString() : d(shared_null ? shared_null : makeSharedNull()) { d->ref(); } // inline QString::~QString() { if ( d->deref() ) { if ( d == shared_null ) shared_null = 0; d->deleteSelf(); } } inline QString QString::section( QChar sep, int start, int end, int flags ) const { return section(QString(sep), start, end, flags); } inline QString QString::section( char sep, int start, int end, int flags ) const { return section(QChar(sep), start, end, flags); } #ifndef QT_NO_CAST_ASCII inline QString QString::section( const char *in_sep, int start, int end, int flags ) const { return section(QString(in_sep), start, end, flags); } #endif inline QString &QString::operator=( QChar c ) { return *this = QString(c); } inline QString &QString::operator=( char c ) { return *this = QString(QChar(c)); } inline bool QString::isNull() const { return unicode() == 0; } inline bool QString::operator!() const { return isNull(); } inline uint QString::length() const { return d->len; } inline bool QString::isEmpty() const { return length() == 0; } inline QString QString::copy() const { return QString( *this ); } inline QString &QString::prepend( const QString & s ) { return insert(0,s); } inline QString &QString::prepend( QChar c ) { return insert(0,c); } inline QString &QString::prepend( char c ) { return insert(0,c); } inline QString &QString::append( const QString & s ) { return operator+=(s); } inline QString &QString::append( QChar c ) { return operator+=(c); } inline QString &QString::append( char c ) { return operator+=(c); } inline QString &QString::setNum( short n, int base ) { return setNum((long)n, base); } inline QString &QString::setNum( ushort n, int base ) { return setNum((ulong)n, base); } inline QString &QString::setNum( int n, int base ) { return setNum((long)n, base); } inline QString &QString::setNum( uint n, int base ) { return setNum((ulong)n, base); } inline QString &QString::setNum( float n, char f, int prec ) { return setNum((double)n,f,prec); } inline QString QString::arg(int a, int fieldwidth, int base) const { return arg((long)a, fieldwidth, base); } inline QString QString::arg(uint a, int fieldwidth, int base) const { return arg((ulong)a, fieldwidth, base); } inline QString QString::arg(short a, int fieldwidth, int base) const { return arg((long)a, fieldwidth, base); } inline QString QString::arg(ushort a, int fieldwidth, int base) const { return arg((ulong)a, fieldwidth, base); } inline int QString::find( char c, int index, bool cs ) const { return find(QChar(c), index, cs); } inline int QString::findRev( char c, int index, bool cs) const { return findRev( QChar(c), index, cs ); } #ifndef QT_NO_CAST_ASCII inline int QString::find( const char* str, int index ) const { return find(QString::fromLatin1(str), index); } inline int QString::findRev( const char* str, int index ) const { return findRev(QString::fromLatin1(str), index); } #endif /***************************************************************************** QString non-member operators *****************************************************************************/ Q_EXPORT bool operator!=( const QString &s1, const QString &s2 ); Q_EXPORT bool operator<( const QString &s1, const QString &s2 ); Q_EXPORT bool operator<=( const QString &s1, const QString &s2 ); Q_EXPORT bool operator==( const QString &s1, const QString &s2 ); Q_EXPORT bool operator>( const QString &s1, const QString &s2 ); Q_EXPORT bool operator>=( const QString &s1, const QString &s2 ); #ifndef QT_NO_CAST_ASCII Q_EXPORT bool operator!=( const QString &s1, const char *s2 ); Q_EXPORT bool operator<( const QString &s1, const char *s2 ); Q_EXPORT bool operator<=( const QString &s1, const char *s2 ); Q_EXPORT bool operator==( const QString &s1, const char *s2 ); Q_EXPORT bool operator>( const QString &s1, const char *s2 ); Q_EXPORT bool operator>=( const QString &s1, const char *s2 ); Q_EXPORT bool operator!=( const char *s1, const QString &s2 ); Q_EXPORT bool operator<( const char *s1, const QString &s2 ); Q_EXPORT bool operator<=( const char *s1, const QString &s2 ); Q_EXPORT bool operator==( const char *s1, const QString &s2 ); //Q_EXPORT bool operator>( const char *s1, const QString &s2 ); // MSVC++ Q_EXPORT bool operator>=( const char *s1, const QString &s2 ); #endif Q_EXPORT inline const QString operator+( const QString &s1, const QString &s2 ) { QString tmp( s1 ); tmp += s2; return tmp; } #ifndef QT_NO_CAST_ASCII Q_EXPORT inline const QString operator+( const QString &s1, const char *s2 ) { QString tmp( s1 ); tmp += QString::fromLatin1(s2); return tmp; } Q_EXPORT inline const QString operator+( const char *s1, const QString &s2 ) { QString tmp = QString::fromLatin1( s1 ); tmp += s2; return tmp; } #endif Q_EXPORT inline const QString operator+( const QString &s1, QChar c2 ) { QString tmp( s1 ); tmp += c2; return tmp; } Q_EXPORT inline const QString operator+( const QString &s1, char c2 ) { QString tmp( s1 ); tmp += c2; return tmp; } Q_EXPORT inline const QString operator+( QChar c1, const QString &s2 ) { QString tmp; tmp += c1; tmp += s2; return tmp; } Q_EXPORT inline const QString operator+( char c1, const QString &s2 ) { QString tmp; tmp += c1; tmp += s2; return tmp; } #if defined(Q_OS_WIN32) extern Q_EXPORT QString qt_winQString(void*); extern Q_EXPORT const void* qt_winTchar(const QString& str, bool addnul); extern Q_EXPORT void* qt_winTchar_new(const QString& str); extern Q_EXPORT QCString qt_winQString2MB( const QString& s, int len=-1 ); extern Q_EXPORT QString qt_winMB2QString( const char* mb, int len=-1 ); #endif #endif // QSTRING_H
| Copyright © 2002 Trolltech | Trademarks | 译者:Cavendish | Qt 3.0.5版
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