This is the verbatim text of the qstring.h include file. It is is provided only for illustration; the copyright remains with Troll Tech
/****************************************************************************
** $Id: qstring.h,v 2.5 1997/03/26 18:58:58 hanord Exp $
**
** Definition of extended char array operations, and QByteArray and
** QString classes
**
** Created : 920609
**
** Copyright (C) 1992-1996 by Troll Tech AS. All rights reserved.
**
*****************************************************************************/
#ifndef QSTRING_H
#define QSTRING_H
#include "qarray.h"
#include <string.h>
#if defined(_OS_SUN_) && defined(_CC_GNU_)
#include <strings.h>
#endif
/*****************************************************************************
Fixes and workarounds for some platforms
*****************************************************************************/
#if defined(_OS_HPUX_)
// HP-UX has badly defined strstr() etc.
inline char *hack_strstr( const char *s1, const char *s2 )
{ return (char *)strstr(s1, s2); }
inline char *hack_strchr( const char *s, int c )
{ return (char *)strchr(s, c); }
inline char *hack_strrchr( const char *s, int c )
{ return (char *)strrchr(s, c); }
#define strstr hack_strstr
#define strchr hack_strchr
#define strrchr hack_strrchr
#endif
/*****************************************************************************
Safe and portable C string functions; extensions to standard string.h
*****************************************************************************/
void *qmemmove( void *dst, const void *src, uint len );
#if defined(_OS_SUN_) || defined(_CC_OC_)
#define memmove qmemmove
#endif
char *qstrdup( const char * );
inline uint cstrlen( const char *str )
{ return strlen(str); }
inline uint qstrlen( const char *str )
{ return str ? strlen(str) : 0; }
#undef strlen
#define strlen qstrlen
inline char *cstrcpy( char *dst, const char *src )
{ return strcpy(dst,src); }
inline char *qstrcpy( char *dst, const char *src )
{ return src ? strcpy(dst, src) : 0; }
#undef strcpy
#define strcpy qstrcpy
char *qstrncpy( char *dst, const char *src, uint len );
inline int cstrcmp( const char *str1, const char *str2 )
{ return strcmp(str1,str2); }
inline int qstrcmp( const char *str1, const char *str2 )
{ return (str1 && str2) ? strcmp(str1,str2) : (int)((long)str2 - (long)str1); }
#undef strcmp
#define strcmp qstrcmp
inline int cstrncmp( const char *str1, const char *str2, uint len )
{ return strncmp(str1,str2,len); }
inline int qstrncmp( const char *str1, const char *str2, uint len )
{ return (str1 && str2) ? strncmp(str1,str2,len) :
(int)((long)str2 - (long)str1); }
#undef strncmp
#define strncmp qstrncmp
int qstricmp( const char *, const char * );
int qstrnicmp( const char *, const char *, uint len );
#undef stricmp
#define stricmp qstricmp
#undef strnicmp
#define strnicmp qstrnicmp
// qchecksum: Internet checksum
#if 1 /* OBSOLETE */
#if !defined(QT_CLEAN_NAMESPACE)
UINT16 qchecksum( const char *s, uint len );
#endif
#endif
Q_UINT16 qChecksum( const char *s, uint len );
/*****************************************************************************
QByteArray class
*****************************************************************************/
#if defined(USE_TEMPLATECLASS)
#define QByteArray QArrayT<char>
#else
Q_DECLARE(QArrayM,char);
#define QByteArray QArrayM(char)
#endif
/*****************************************************************************
QByteArray stream functions
*****************************************************************************/
QDataStream &operator<<( QDataStream &, const QByteArray & );
QDataStream &operator>>( QDataStream &, QByteArray & );
/*****************************************************************************
QString class
*****************************************************************************/
class QRegExp;
class QString : public QByteArray // string class
{
public:
QString() {} // make null string
QString( int size ); // allocate size incl. \0
QString( const QString &s ) : QByteArray( s ) {}
QString( const char *str ); // deep copy
QString &operator=( const QString &s ); // shallow copy
QString &operator=( const char *str ); // deep copy
bool isNull() const;
bool isEmpty() const;
uint length() const;
bool resize( uint newlen );
bool truncate( uint pos );
bool fill( char c, int len = -1 );
QString copy() const;
QString &sprintf( const char *format, ... );
int find( char c, int index=0, bool cs=TRUE ) const;
int find( const char *str, int index=0, bool cs=TRUE ) const;
int find( const QRegExp &, int index=0 ) const;
int findRev( char c, int index=-1, bool cs=TRUE) const;
int findRev( const char *str, int index=-1, bool cs=TRUE) const;
int findRev( const QRegExp &, int index=-1 ) const;
int contains( char c, bool cs=TRUE ) const;
int contains( const char *str, bool cs=TRUE ) const;
int contains( const QRegExp & ) const;
QString left( uint len ) const;
QString right( uint len ) const;
QString mid( uint index, uint len) const;
QString leftJustify( uint width, char fill=' ', bool trunc=FALSE)const;
QString rightJustify( uint width, char fill=' ',bool trunc=FALSE)const;
QString lower() const;
QString upper() const;
QString stripWhiteSpace() const;
QString simplifyWhiteSpace() const;
QString &insert( uint index, const char * );
QString &insert( uint index, char );
QString &append( const char * );
QString &prepend( const char * );
QString &remove( uint index, uint len );
QString &replace( uint index, uint len, const char * );
QString &replace( const QRegExp &, const char * );
short toShort( bool *ok=0 ) const;
ushort toUShort( bool *ok=0 ) const;
int toInt( bool *ok=0 ) const;
uint toUInt( bool *ok=0 ) const;
long toLong( bool *ok=0 ) const;
ulong toULong( bool *ok=0 ) const;
float toFloat( bool *ok=0 ) const;
double toDouble( bool *ok=0 ) const;
QString &setStr( const char *s );
QString &setNum( short );
QString &setNum( ushort );
QString &setNum( int );
QString &setNum( uint );
QString &setNum( long );
QString &setNum( ulong );
QString &setNum( float, char f='g', int prec=6 );
QString &setNum( double, char f='g', int prec=6 );
bool setExpand( uint index, char c );
operator const char *() const;
QString &operator+=( const char *str );
QString &operator+=( char c );
};
/*****************************************************************************
QString stream functions
*****************************************************************************/
QDataStream &operator<<( QDataStream &, const QString & );
QDataStream &operator>>( QDataStream &, QString & );
/*****************************************************************************
QString inline functions
*****************************************************************************/
inline QString &QString::operator=( const QString &s )
{ return (QString&)assign( s ); }
inline QString &QString::operator=( const char *str )
{ return (QString&)duplicate( str, strlen(str)+1 ); }
inline bool QString::isNull() const
{ return data() == 0; }
inline bool QString::isEmpty() const
{ return data() == 0 || *data() == '\0'; }
inline uint QString::length() const
{ return strlen( data() ); }
inline bool QString::truncate( uint pos )
{ return resize(pos+1); }
inline QString QString::copy() const
{ return QString( data() ); }
inline QString &QString::prepend( const char *s )
{ return insert(0,s); }
inline QString &QString::append( const char *s )
{ return operator+=(s); }
inline QString &QString::setNum( short n )
{ return setNum((long)n); }
inline QString &QString::setNum( ushort n )
{ return setNum((ulong)n); }
inline QString &QString::setNum( int n )
{ return setNum((long)n); }
inline QString &QString::setNum( uint n )
{ return setNum((ulong)n); }
inline QString &QString::setNum( float n, char f, int prec )
{ return setNum((double)n,f,prec); }
inline QString::operator const char *() const
{ return (const char *)data(); }
/*****************************************************************************
QString non-member operators
*****************************************************************************/
inline bool operator==( const QString &s1, const QString &s2 )
{ return strcmp(s1.data(),s2.data()) == 0; }
inline bool operator==( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) == 0; }
inline bool operator==( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) == 0; }
inline bool operator!=( const QString &s1, const QString &s2 )
{ return strcmp(s1.data(),s2.data()) != 0; }
inline bool operator!=( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) != 0; }
inline bool operator!=( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) != 0; }
inline bool operator<( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) < 0; }
inline bool operator<( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) < 0; }
inline bool operator<=( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) <= 0; }
inline bool operator<=( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) <= 0; }
inline bool operator>( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) > 0; }
inline bool operator>( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) > 0; }
inline bool operator>=( const QString &s1, const char *s2 )
{ return strcmp(s1.data(),s2) >= 0; }
inline bool operator>=( const char *s1, const QString &s2 )
{ return strcmp(s1,s2.data()) >= 0; }
inline QString operator+( const QString &s1, const QString &s2 )
{
QString tmp( s1.data() );
tmp += s2;
return tmp;
}
inline QString operator+( const QString &s1, const char *s2 )
{
QString tmp( s1.data() );
tmp += s2;
return tmp;
}
inline QString operator+( const char *s1, const QString &s2 )
{
QString tmp( s1 );
tmp += s2;
return tmp;
}
inline QString operator+( const QString &s1, char c2 )
{
QString tmp( s1.data() );
tmp += c2;
return tmp;
}
inline QString operator+( char c1, const QString &s2 )
{
QString tmp( c1 );
tmp += s2;
return tmp;
}
#endif // QSTRING_H