1 #ifndef QGSTRING_H

     2 #define QGSTRING_H

     3 

     4 #include <stdlib.h>

     5 #include <string.h>

     6 

     7 #if defined(_OS_SUN_) && defined(_CC_GNU_)

     8 #include <strings.h>

     9 #endif

    10 

    11 #include "qcstring.h"

    12 

    13 /*****************************************************************************

    14   Fixes and workarounds for some platforms

    15  *****************************************************************************/

    16 

    17 /** This is an alternative implementation of QCString. 

    18  */

    19 class QGString 

    20 {

    21   public:

    22     QGString(); // make null string

    23     QGString(uint size); 

    24     QGString( const QGString &s );

    25     QGString( const char *str );

    26    ~QGString() ;

    27 

    28     bool resize( uint newlen );

    29 

    30     QGString    &operator=( const QGString &s );

    31     QGString    &operator=( const char *str );

    32     QGString    &operator+=( const QGString &s );

    33     QGString    &operator+=( const char *str );

    34     QGString    &operator+=( char c );

    35 

    36     bool        isNull()        const { return m_data==0; }

    37     bool	isEmpty()	const { return m_len==0; }

    38     uint	length()	const { return m_len; }

    39     uint        size()          const { return m_memSize; }

    40     char *      data()          const { return m_data; }

    41     bool	truncate( uint pos )  { return resize(pos+1); }

    42         operator const char *() const { return (const char *)data(); }

    43     char &at( uint index ) const      { return m_data[index]; }

    44     char &operator[]( int i ) const   { return at(i); }

    45     

    46   private:

    47     char *      m_data;

    48     uint        m_len;

    49     uint        m_memSize;

    50 };

    51 

    52 /*****************************************************************************

    53   QGString non-member operators

    54  *****************************************************************************/

    55 

    56 Q_EXPORT inline bool operator==( const QGString &s1, const QGString &s2 )

    57 { return qstrcmp(s1.data(),s2.data()) == 0; }

    58 

    59 Q_EXPORT inline bool operator==( const QGString &s1, const char *s2 )

    60 { return qstrcmp(s1.data(),s2) == 0; }

    61 

    62 Q_EXPORT inline bool operator==( const char *s1, const QGString &s2 )

    63 { return qstrcmp(s1,s2.data()) == 0; }

    64 

    65 Q_EXPORT inline bool operator!=( const QGString &s1, const QGString &s2 )

    66 { return qstrcmp(s1.data(),s2.data()) != 0; }

    67 

    68 Q_EXPORT inline bool operator!=( const QGString &s1, const char *s2 )

    69 { return qstrcmp(s1.data(),s2) != 0; }

    70 

    71 Q_EXPORT inline bool operator!=( const char *s1, const QGString &s2 )

    72 { return qstrcmp(s1,s2.data()) != 0; }

    73 

    74 Q_EXPORT inline bool operator<( const QGString &s1, const QGString& s2 )

    75 { return qstrcmp(s1.data(),s2.data()) < 0; }

    76 

    77 Q_EXPORT inline bool operator<( const QGString &s1, const char *s2 )

    78 { return qstrcmp(s1.data(),s2) < 0; }

    79 

    80 Q_EXPORT inline bool operator<( const char *s1, const QGString &s2 )

    81 { return qstrcmp(s1,s2.data()) < 0; }

    82 

    83 Q_EXPORT inline bool operator<=( const QGString &s1, const char *s2 )

    84 { return qstrcmp(s1.data(),s2) <= 0; }

    85 

    86 Q_EXPORT inline bool operator<=( const char *s1, const QGString &s2 )

    87 { return qstrcmp(s1,s2.data()) <= 0; }

    88 

    89 Q_EXPORT inline bool operator>( const QGString &s1, const char *s2 )

    90 { return qstrcmp(s1.data(),s2) > 0; }

    91 

    92 Q_EXPORT inline bool operator>( const char *s1, const QGString &s2 )

    93 { return qstrcmp(s1,s2.data()) > 0; }

    94 

    95 Q_EXPORT inline bool operator>=( const QGString &s1, const char *s2 )

    96 { return qstrcmp(s1.data(),s2) >= 0; }

    97 

    98 Q_EXPORT inline bool operator>=( const char *s1, const QGString &s2 )

    99 { return qstrcmp(s1,s2.data()) >= 0; }

   100 

   101 Q_EXPORT inline QGString operator+( const QGString &s1, const QGString &s2 )

   102 {

   103     QGString tmp( s1.data() );

   104     tmp += s2;

   105     return tmp;

   106 }

   107 

   108 Q_EXPORT inline QGString operator+( const QGString &s1, const char *s2 )

   109 {

   110     QGString tmp( s1.data() );

   111     tmp += s2;

   112     return tmp;

   113 }

   114 

   115 Q_EXPORT inline QGString operator+( const char *s1, const QGString &s2 )

   116 {

   117     QGString tmp( s1 );

   118     tmp += s2;

   119     return tmp;

   120 }

   121 

   122 Q_EXPORT inline QGString operator+( const QGString &s1, char c2 )

   123 {

   124     QGString tmp( s1.data() );

   125     tmp += c2;

   126     return tmp;

   127 }

   128 

   129 Q_EXPORT inline QGString operator+( char c1, const QGString &s2 )

   130 {

   131     QGString tmp;

   132     tmp += c1;

   133     tmp += s2;

   134     return tmp;

   135 }

   136 

   137 #endif // QGSTRING_H