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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qstring.h</h1>
<p>This is the verbatim text of the qstring.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** $Id: qt/qstring.h 3.3.8 edited Jan 11 14:38 $
**
** Definition of the QString class, and related Unicode functions.
**
** Created : 920609
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file. Licensees holding valid Qt
** Commercial 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 WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef QSTRING_H
#define QSTRING_H
#ifndef QT_H
#include "qcstring.h"
#endif // QT_H
#ifndef QT_NO_CAST_ASCII
#include <limits.h>
#endif
#ifndef QT_NO_STL
#if defined ( Q_CC_MSVC_NET ) && _MSC_VER < 1310 // Avoids nasty warning for xlocale, line 450
# pragma warning ( push )
# pragma warning ( disable : 4189 )
# include <string>
# pragma warning ( pop )
#else
# include <string>
#endif
#if defined(Q_WRONG_SB_CTYPE_MACROS) && defined(_SB_CTYPE_MACROS)
#undef _SB_CTYPE_MACROS
#endif
#endif
/*****************************************************************************
QString class
*****************************************************************************/
class QRegExp;
class QString;
class QCharRef;
template <class T> class QDeepCopy;
class Q_EXPORT QChar {
public:
QChar();
QChar( char c );
QChar( uchar c );
QChar( uchar c, uchar r );
QChar( const QChar& c ); // ### remove in 4.0 to allow compiler optimization
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; // ### return just QString in 4.0
Decomposition decompositionTag() const;
unsigned char combiningClass() const;
char latin1() const { return ucs > 0xff ? 0 : (char) ucs; }
ushort unicode() const { return ucs; }
#ifdef Q_NO_PACKED_REFERENCE
ushort &unicode() { return *(&ucs); }
#else
ushort &unicode() { return ucs; }
#endif
#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() :
QShared(), unicode(0), ascii(0), len(0), issimpletext(TRUE), maxl(0), islatin1(FALSE) { ref(); }
QStringData(QChar *u, uint l, uint m) :
QShared(), unicode(u), ascii(0), len(l), issimpletext(FALSE), maxl(m), islatin1(FALSE) { }
~QStringData() { if ( unicode ) delete[] ((char*)unicode);
if ( ascii ) delete[] ascii; }
void deleteSelf();
QChar *unicode;
char *ascii;
void setDirty() {
if ( ascii ) {
delete [] ascii;
ascii = 0;
}
issimpletext = FALSE;
}
#ifdef Q_OS_MAC9
uint len;
#else
uint len : 30;
#endif
uint issimpletext : 1;
#ifdef Q_OS_MAC9
uint maxl;
#else
uint maxl : 30;
#endif
uint islatin1 : 1;
private:
#if defined(Q_DISABLE_COPY)
QStringData( const QStringData& );
QStringData& operator=( const QStringData& );
#endif
};
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
#ifndef QT_NO_STL
QString( const std::string& ); // deep copy
#endif
~QString();
QString &operator=( const QString & ); // impl-shared copy
QString &operator=( const char * ); // deep copy
#ifndef QT_NO_STL
QString &operator=( const std::string& ); // 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( Q_LLONG a, int fieldwidth=0, int base=10 ) const;
QString arg( Q_ULLONG 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( double a, int fieldWidth = 0, char fmt = 'g',
int prec = -1 ) 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( const QString& a1, const QString& a2 ) const;
QString arg( const QString& a1, const QString& a2,
const QString& a3 ) const;
QString arg( const QString& a1, const QString& a2, const QString& a3,
const QString& a4 ) 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 &reg, 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 & );
#ifndef QT_NO_CAST_ASCII
QString &insert( uint index, const QByteArray & );
QString &insert( uint index, const char * );
#endif
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 & );
#ifndef QT_NO_CAST_ASCII
QString &append( const QByteArray & );
QString &append( const char * );
#endif
#if !defined(QT_NO_STL) && !defined(QT_NO_CAST_ASCII)
QString &append( const std::string& );
#endif
QString &prepend( char );
QString &prepend( QChar );
QString &prepend( const QString & );
#ifndef QT_NO_CAST_ASCII
QString &prepend( const QByteArray & );
QString &prepend( const char * );
#endif
#if !defined(QT_NO_STL) && !defined(QT_NO_CAST_ASCII)
QString &prepend( const std::string& );
#endif
QString &remove( uint index, uint len );
#if defined(Q_QDOC)
QString &remove( const QString & str, bool cs = TRUE );
#else
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
QString &remove( const QString & );
QString &remove( const QString &, bool cs );
#endif
QString &remove( QChar c );
QString &remove( char c )
{ return remove( QChar(c) ); }
#ifndef QT_NO_CAST_ASCII
QString &remove( const char * );
#endif
#ifndef QT_NO_REGEXP
QString &remove( const QRegExp & );
#endif
QString &replace( uint index, uint len, const QString & );
QString &replace( uint index, uint len, const QChar*, uint clen );
QString &replace( uint index, uint len, QChar );
QString &replace( uint index, uint len, char c )
{ return replace( index, len, QChar(c) ); }
#if defined(Q_QDOC)
QString &replace( QChar c, const QString & after, bool cs = TRUE );
QString &replace( char c, const QString & after, bool cs = TRUE );
QString &replace( const QString & before, const QString & after,
bool cs = TRUE );
#else
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
QString &replace( QChar c, const QString & );
QString &replace( QChar c, const QString &, bool );
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
QString &replace( char c, const QString & after )
{ return replace( QChar(c), after, TRUE ); }
QString &replace( char c, const QString & after, bool cs )
{ return replace( QChar(c), after, cs ); }
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
QString &replace( const QString &, const QString & );
QString &replace( const QString &, const QString &, bool );
#endif
#ifndef QT_NO_REGEXP_CAPTURE
QString &replace( const QRegExp &, const QString & );
#endif
QString &replace( QChar, QChar );
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;
Q_LLONG toLongLong( bool *ok=0, int base=10 ) const;
Q_ULLONG toULongLong( 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( Q_LLONG, int base=10 );
QString &setNum( Q_ULLONG, 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( Q_LLONG, int base=10 );
static QString number( Q_ULLONG, 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 );
#ifndef QT_NO_CAST_ASCII
QString &operator+=( const QByteArray &str );
QString &operator+=( const char *str );
#endif
#if !defined(QT_NO_STL) && !defined(QT_NO_CAST_ASCII)
QString &operator+=( const std::string& );
#endif
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;
static QString fromAscii(const char*, int len=-1);
const char* latin1() const;
static QString fromLatin1(const char*, int len=-1);
QCString utf8() const;
static QString fromUtf8(const char*, int len=-1);
QCString local8Bit() const;
static QString fromLocal8Bit(const char*, int len=-1);
bool operator!() const;
#ifndef QT_NO_ASCII_CAST
operator const char *() const { return ascii(); }
#endif
#ifndef QT_NO_STL
operator std::string() const { return ascii() ? ascii() : ""; }
#endif
static QString fromUcs2( const unsigned short *ucs2 );
const unsigned short *ucs2() const;
QString &setUnicode( const QChar* unicode, uint len );
QString &setUnicodeCodes( const ushort* unicode_as_ushorts, uint len );
QString &setAscii( const char*, int len=-1 );
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 ascii(); }
#endif
#if defined(Q_QDOC)
bool startsWith( const QString& str, bool cs = TRUE ) const;
bool endsWith( const QString& str, bool cs = TRUE ) const;
#else
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
bool startsWith( const QString& str ) const;
bool startsWith( const QString& str, bool cs ) const;
// ### Qt 4.0: merge these two into one, and remove Q_QDOC hack
bool endsWith( const QString& str ) const;
bool endsWith( const QString& str, bool cs ) const;
#endif
void setLength( uint newLength );
uint capacity() const;
void reserve( uint minCapacity );
void squeeze();
bool simpleText() const { if ( !d->issimpletext ) checkSimpleText(); return (bool)d->issimpletext; }
bool isRightToLeft() const;
private:
QString( int size, bool /* dummy */ ); // allocate size incl. \0
void deref();
void real_detach();
void subat( uint );
QString multiArg( int numArgs, const QString& a1, const QString& a2,
const QString& a3 = QString::null,
const QString& a4 = QString::null ) const;
void checkSimpleText() const;
void grow( uint newLength );
#ifndef QT_NO_CAST_ASCII
QString &insertHelper( uint index, const char *s, uint len=UINT_MAX );
QString &operatorPlusEqHelper( const char *s, uint len2=UINT_MAX );
#endif
static QChar* latin1ToUnicode( const char*, uint * len, uint maxlen=(uint)-1 );
static QChar* latin1ToUnicode( const QByteArray&, uint * len );
static char* unicodeToLatin1( 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) { }
// needed for QDeepCopy
void detach();
friend class QDeepCopy<QString>;
};
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 constructors
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 )
d->deleteSelf();
}
}
// needed for QDeepCopy
inline void QString::detach()
{ real_detach(); }
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 )
{ *this = QString(c); return *this; }
inline QString &QString::operator=( char c )
{ *this = QString(QChar(c)); return *this; }
inline bool QString::isNull() const
{ return unicode() == 0; }
inline bool QString::operator!() const
{ return isNull(); }
inline uint QString::length() const
{ return d->len; }
inline uint QString::capacity() const
{ return d->maxl; }
inline bool QString::isEmpty() const
{ return length() == 0; }
inline QString QString::copy() const
{ return QString( *this ); }
#ifndef QT_NO_CAST_ASCII
inline QString &QString::insert( uint index, const char *s )
{ return insertHelper( index, s ); }
inline QString &QString::insert( uint index, const QByteArray &s )
{
int pos = s.find( 0 );
return insertHelper( index, s, pos==-1 ? s.size() : pos );
}
#endif
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); }
#ifndef QT_NO_CAST_ASCII
inline QString &QString::prepend( const QByteArray & s )
{ return insert(0,s); }
#endif
#ifndef QT_NO_CAST_ASCII
inline QString &QString::operator+=( const QByteArray &s )
{
int pos = s.find( 0 );
return operatorPlusEqHelper( s, pos==-1 ? s.size() : pos );
}
#endif
inline QString &QString::append( const QString & s )
{ return operator+=(s); }
#ifndef QT_NO_CAST_ASCII
inline QString &QString::append( const QByteArray &s )
{ return operator+=(s); }
inline QString &QString::append( const char * s )
{ return operator+=(s); }
#endif
inline QString &QString::append( QChar c )
{ return operator+=(c); }
inline QString &QString::append( char c )
{ return operator+=(c); }
#ifndef QT_NO_STL
inline QString &QString::operator=( const std::string& str )
{ return operator=(str.c_str()); }
#ifndef QT_NO_CAST_ASCII
inline QString &QString::operator+=( const std::string& s )
{ return operator+=(s.c_str()); }
inline QString &QString::append( const std::string& s )
{ return operator+=(s); }
inline QString &QString::prepend( const std::string& s )
{ return insert(0, s); }
#endif
#endif
inline QString &QString::setNum( short n, int base )
{ return setNum((Q_LLONG)n, base); }
inline QString &QString::setNum( ushort n, int base )
{ return setNum((Q_ULLONG)n, base); }
inline QString &QString::setNum( int n, int base )
{ return setNum((Q_LLONG)n, base); }
inline QString &QString::setNum( uint n, int base )
{ return setNum((Q_ULLONG)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( (Q_LLONG)a, fieldWidth, base ); }
inline QString QString::arg( uint a, int fieldWidth, int base ) const
{ return arg( (Q_ULLONG)a, fieldWidth, base ); }
inline QString QString::arg( short a, int fieldWidth, int base ) const
{ return arg( (Q_LLONG)a, fieldWidth, base ); }
inline QString QString::arg( ushort a, int fieldWidth, int base ) const
{ return arg( (Q_ULLONG)a, fieldWidth, base ); }
inline QString QString::arg( const QString& a1, const QString& a2 ) const {
return multiArg( 2, a1, a2 );
}
inline QString QString::arg( const QString& a1, const QString& a2,
const QString& a3 ) const {
return multiArg( 3, a1, a2, a3 );
}
inline QString QString::arg( const QString& a1, const QString& a2,
const QString& a3, const QString& a4 ) const {
return multiArg( 4, a1, a2, a3, a4 );
}
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::fromAscii(str), index); }
inline int QString::findRev( const char* str, int index ) const
{ return findRev(QString::fromAscii(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::fromAscii(s2);
return tmp;
}
Q_EXPORT inline const QString operator+( const char *s1, const QString &s2 )
{
QString tmp = QString::fromAscii( 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;
}
#ifndef QT_NO_STL
Q_EXPORT inline const QString operator+(const QString& s1, const std::string& s2)
{
return s1 + QString(s2);
}
Q_EXPORT inline const QString operator+(const std::string& s1, const QString& s2)
{
QString tmp(s2);
return QString(tmp.prepend(s1));
}
#endif
#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
#define Q_DEFINED_QSTRING
#include "qwinexport.h"
#endif // QSTRING_H
</pre>
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<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a>
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