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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qcstring.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qcstring.h</h1><br clear="all">This is the verbatim text of the qcstring.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/tools/qcstring.h 2.3.8 edited 2004-05-12 $**** Definition of the extended char array operations,** and QByteArray and QCString classes**** 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 sales@trolltech.com 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 info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QCSTRING_H#define QCSTRING_H#ifndef QT_H#include "qarray.h"#endif // QT_H#if (defined(_OS_SUN_) && defined(_CC_GNU_))#include <strings.h>#endif#include <string.h>/***************************************************************************** Fixes and workarounds for some platforms *****************************************************************************/#if defined(_OS_HPUX_)// HP-UX has badly defined strstr() etc.// ### fix in 3.0: change hack_* to qt_hack_*// by the way HP-UX is probably right, the standard has evolved and// we'll have to adapt to itinline 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(s1,s2) hack_strstr((s1),(s2))#define strchr(s,c) hack_strchr((s),(c))#define strrchr(s,c) hack_strrchr((s),(c))#endif/***************************************************************************** Safe and portable C string functions; extensions to standard string.h *****************************************************************************/Q_EXPORT void *qmemmove( void *dst, const void *src, uint len );#if defined(_OS_SUN_) || defined(_CC_OC_)#define memmove(s1,s2,n) qmemmove((s1),(s2),(n))#endifQ_EXPORT char *qstrdup( const char * );Q_EXPORT inline uint cstrlen( const char *str ){ return strlen(str); }Q_EXPORT inline uint qstrlen( const char *str ){ return str ? strlen(str) : 0; }Q_EXPORT inline char *cstrcpy( char *dst, const char *src ){ return strcpy(dst,src); }Q_EXPORT inline char *qstrcpy( char *dst, const char *src ){ return src ? strcpy(dst, src) : 0; }Q_EXPORT char *qstrncpy( char *dst, const char *src, uint len );Q_EXPORT inline int cstrcmp( const char *str1, const char *str2 ){ return strcmp(str1,str2); }Q_EXPORT inline int qstrcmp( const char *str1, const char *str2 ){ return (str1 && str2) ? strcmp(str1,str2) : (int)((long)str2 - (long)str1); }Q_EXPORT inline int cstrncmp( const char *str1, const char *str2, uint len ){ return strncmp(str1,str2,len); }Q_EXPORT inline int qstrncmp( const char *str1, const char *str2, uint len ){ return (str1 && str2) ? strncmp(str1,str2,len) : (int)((long)str2 - (long)str1); }Q_EXPORT int qstricmp( const char *, const char * );Q_EXPORT int qstrnicmp( const char *, const char *, uint len );// ### TODO for 3.0: these and the cstr* functions should be used if// !defined(QT_CLEAN_NAMESPACE)// We want to keep source compatibility for 2.x// ### TODO for 4.0: completely remove these and the cstr* functions#if !defined(QT_GENUINE_STR)#undef strlen#define strlen qstrlen#undef strcpy#define strcpy qstrcpy#undef strcmp#define strcmp qstrcmp#undef strncmp#define strncmp qstrncmp#undef stricmp#define stricmp qstricmp#undef strnicmp#define strnicmp qstrnicmp#endif// qChecksum: Internet checksumQ_EXPORT Q_UINT16 qChecksum( const char *s, uint len );/***************************************************************************** QByteArray class *****************************************************************************/#if defined(Q_TEMPLATEDLL)template class Q_EXPORT QArray<char>;#endiftypedef QArray<char> QByteArray;/***************************************************************************** QByteArray stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_EXPORT QDataStream &operator<<( QDataStream &, const QByteArray & );Q_EXPORT QDataStream &operator>>( QDataStream &, QByteArray & );#endif/***************************************************************************** QCString class *****************************************************************************/class <a href="qregexp.html">QRegExp</a>;class Q_EXPORT <a href="qcstring.html">QCString</a> : public <a href="qbytearray.html">QByteArray</a> // C string class{public: QCString() {} // make null string QCString( int size ); // allocate size incl. \0 QCString( const QCString &s ) : QByteArray( s ) {} QCString( const char *str ); // deep copy QCString( const char *str, uint maxlen ); // deep copy, max length QCString &operator=( const QCString &s );// shallow copy QCString &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 ); QCString copy() const; QCString &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; QCString left( uint len ) const; QCString right( uint len ) const; QCString mid( uint index, uint len=0xffffffff) const; QCString leftJustify( uint width, char fill=' ', bool trunc=FALSE)const; QCString rightJustify( uint width, char fill=' ',bool trunc=FALSE)const; QCString lower() const; QCString upper() const; QCString stripWhiteSpace() const; QCString simplifyWhiteSpace() const; QCString &insert( uint index, const char * ); QCString &insert( uint index, char ); QCString &append( const char * ); QCString &prepend( const char * ); QCString &remove( uint index, uint len ); QCString &replace( uint index, uint len, const char * ); QCString &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; QCString &setStr( const char *s ); QCString &setNum( short ); QCString &setNum( ushort ); QCString &setNum( int ); QCString &setNum( uint ); QCString &setNum( long ); QCString &setNum( ulong ); QCString &setNum( float, char f='g', int prec=6 ); QCString &setNum( double, char f='g', int prec=6 ); bool setExpand( uint index, char c ); operator const char *() const; QCString &operator+=( const char *str ); QCString &operator+=( char c );};/***************************************************************************** QCString stream functions *****************************************************************************/#ifndef QT_NO_DATASTREAMQ_EXPORT QDataStream &operator<<( QDataStream &, const QCString & );Q_EXPORT QDataStream &operator>>( QDataStream &, QCString & );#endif/***************************************************************************** QCString inline functions *****************************************************************************/inline QCString &QCString::operator=( const QCString &s ){ return (QCString&)assign( s ); }inline QCString &QCString::operator=( const char *str ){ return (QCString&)duplicate( str, qstrlen(str)+1 ); }inline bool QCString::isNull() const{ return data() == 0; }inline bool QCString::isEmpty() const{ return data() == 0 || *data() == '\0'; }inline uint QCString::length() const{ return qstrlen( data() ); }inline bool QCString::truncate( uint pos ){ return resize(pos+1); }inline QCString QCString::copy() const{ return QCString( data() ); }inline QCString &QCString::prepend( const char *s ){ return insert(0,s); }inline QCString &QCString::append( const char *s ){ return operator+=(s); }inline QCString &QCString::setNum( short n ){ return setNum((long)n); }inline QCString &QCString::setNum( ushort n ){ return setNum((ulong)n); }inline QCString &QCString::setNum( int n ){ return setNum((long)n); }inline QCString &QCString::setNum( uint n ){ return setNum((ulong)n); }inline QCString &QCString::setNum( float n, char f, int prec ){ return setNum((double)n,f,prec); }inline QCString::operator const char *() const{ return (const char *)data(); }/***************************************************************************** QCString non-member operators *****************************************************************************/Q_EXPORT inline bool operator==( const QCString &s1, const QCString &s2 ){ return qstrcmp(s1.data(),s2.data()) == 0; }Q_EXPORT inline bool operator==( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) == 0; }Q_EXPORT inline bool operator==( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) == 0; }Q_EXPORT inline bool operator!=( const QCString &s1, const QCString &s2 ){ return qstrcmp(s1.data(),s2.data()) != 0; }Q_EXPORT inline bool operator!=( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) != 0; }Q_EXPORT inline bool operator!=( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) != 0; }Q_EXPORT inline bool operator<( const QCString &s1, const QCString& s2 ){ return qstrcmp(s1.data(),s2.data()) < 0; }Q_EXPORT inline bool operator<( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) < 0; }Q_EXPORT inline bool operator<( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) < 0; }Q_EXPORT inline bool operator<=( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) <= 0; }Q_EXPORT inline bool operator<=( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) <= 0; }Q_EXPORT inline bool operator>( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) > 0; }Q_EXPORT inline bool operator>( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) > 0; }Q_EXPORT inline bool operator>=( const QCString &s1, const char *s2 ){ return qstrcmp(s1.data(),s2) >= 0; }Q_EXPORT inline bool operator>=( const char *s1, const QCString &s2 ){ return qstrcmp(s1,s2.data()) >= 0; }Q_EXPORT inline QCString operator+( const QCString &s1, const QCString &s2 ){ QCString tmp( s1.data() ); tmp += s2; return tmp;}Q_EXPORT inline QCString operator+( const QCString &s1, const char *s2 ){ QCString tmp( s1.data() ); tmp += s2; return tmp;}Q_EXPORT inline QCString operator+( const char *s1, const QCString &s2 ){ QCString tmp( s1 ); tmp += s2; return tmp;}Q_EXPORT inline QCString operator+( const QCString &s1, char c2 ){ QCString tmp( s1.data() ); tmp += c2; return tmp;}Q_EXPORT inline QCString operator+( char c1, const QCString &s2 ){ QCString tmp; tmp += c1; tmp += s2; return tmp;}#endif // QCSTRING_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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