diff options
Diffstat (limited to 'qtools/qcstring.h')
| -rw-r--r-- | qtools/qcstring.h | 118 |
1 files changed, 81 insertions, 37 deletions
diff --git a/qtools/qcstring.h b/qtools/qcstring.h index e735462..e56b1e4 100644 --- a/qtools/qcstring.h +++ b/qtools/qcstring.h @@ -43,14 +43,14 @@ #include "qarray.h" #endif // QT_H +#include <stdlib.h> #include <string.h> #if defined(_OS_SUN_) && defined(_CC_GNU_) #include <strings.h> #endif -//#undef SMALLSTRING -#define SMALLSTRING +class QGString; /***************************************************************************** Fixes and workarounds for some platforms @@ -143,7 +143,6 @@ Q_EXPORT int qstrnicmp( const char *, const char *, uint len ); #endif - // qChecksum: Internet checksum Q_EXPORT Q_UINT16 qChecksum( const char *s, uint len ); @@ -166,34 +165,35 @@ Q_EXPORT QDataStream &operator<<( QDataStream &, const QByteArray & ); Q_EXPORT QDataStream &operator>>( QDataStream &, QByteArray & ); #endif - - -#ifdef SMALLSTRING -#define SCString QCString -#include "scstring.h" -#else - -/***************************************************************************** - QCString class - *****************************************************************************/ - class QRegExp; -class Q_EXPORT QCString : public QByteArray // C string class +/** This is an alternative implementation of QCString. It provides basically + * the same functions but uses less memory for administration. This class + * is just a wrapper around a plain C string requiring only 4 bytes "overhead". + * QCString features sharing of data and stores the string length, but + * requires 4 + 12 bytes for this (even for the empty string). As doxygen + * uses a LOT of string during a run it saves a lot of memory to use a + * more memory efficient implementation at the cost of relatively low + * runtime overhead. + */ +class QCString { 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() : m_data(0) {} // make null string + QCString( const QCString &s ); + QCString( int size ); + QCString( const char *str ); + QCString( const char *str, uint maxlen ); + ~QCString(); + + QCString &operator=( const QCString &s );// deep copy QCString &operator=( const char *str ); // deep copy - bool isNull() const; + bool isNull() const; bool isEmpty() const; uint length() const; + uint size() const { return m_data ? length()+1 : 0; } + char * data() const { return m_data; } bool resize( uint newlen ); bool truncate( uint pos ); bool fill( char c, int len = -1 ); @@ -211,24 +211,23 @@ public: int contains( char c, bool cs=TRUE ) const; int contains( const char *str, bool cs=TRUE ) const; int contains( const QRegExp & ) const; + bool stripPrefix(const char *prefix); 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 &assign( const char *str ); QCString &insert( uint index, const char * ); QCString &insert( uint index, char ); - QCString &append( const char * ); - QCString &prepend( const char * ); + QCString &append( const char *s ); + QCString &prepend( const char *s ); QCString &remove( uint index, uint len ); QCString &replace( uint index, uint len, const char * ); QCString &replace( const QRegExp &, const char * ); @@ -239,10 +238,7 @@ public: 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 ); @@ -252,14 +248,56 @@ public: 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 ); + char &at( uint index ) const; + char &operator[]( int i ) const { return at(i); } + + private: + static void msg_index( uint ); + void duplicate( const QCString &s ); + void duplicate( const char *str); + QCString &duplicate( const char *str, int); + + char * m_data; }; -#endif +inline char &QCString::at( uint index ) const +{ + return m_data[index]; +} + +inline void QCString::duplicate( const QCString &s ) +{ + if (!s.isEmpty()) + { + uint l = strlen(s.data()); + m_data = (char *)malloc(l+1); + if (m_data) memcpy(m_data,s.data(),l+1); + } + else + m_data=0; +} + +inline void QCString::duplicate( const char *str) +{ + if (str && str[0]!='\0') + { + uint l = strlen(str); + m_data = (char *)malloc(l+1); + if (m_data) memcpy(m_data,str,l+1); + } + else + m_data=0; +} + +inline QCString &QCString::duplicate( const char *str, int) +{ + if (m_data) free(m_data); + duplicate(str); + return *this; +} /***************************************************************************** QCString stream functions @@ -370,21 +408,26 @@ Q_EXPORT inline bool operator>=( const char *s1, const QCString &s2 ) Q_EXPORT inline QCString operator+( const QCString &s1, const QCString &s2 ) { - QCString tmp( s1.data() ); + QCString tmp(s1); tmp += s2; return tmp; } + +inline QCString operator+( const QCString &s1, const QGString &s2 ); +inline QCString operator+( const QGString &s1, const QCString &s2 ); + + Q_EXPORT inline QCString operator+( const QCString &s1, const char *s2 ) { - QCString tmp( s1.data() ); + QCString tmp(s1); tmp += s2; return tmp; } Q_EXPORT inline QCString operator+( const char *s1, const QCString &s2 ) { - QCString tmp( s1 ); + QCString tmp(s1); tmp += s2; return tmp; } @@ -404,4 +447,5 @@ Q_EXPORT inline QCString operator+( char c1, const QCString &s2 ) return tmp; } + #endif // QCSTRING_H |