/[projects]/smsdaemon/string_nocase.h
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revision 114 by torben, Sun Nov 2 20:14:20 2008 UTC revision 196 by torben, Thu Dec 18 06:53:29 2008 UTC
# Line 11  Line 11 
11  // case insensitive comparison, search  // case insensitive comparison, search
12  struct traits_nocase : std::char_traits<char>  struct traits_nocase : std::char_traits<char>
13  {  {
14    static bool eq( const char& c1, const char& c2 )          static bool eq( const char& c1, const char& c2 )
15    { return toupper(c1) == toupper(c2) ; }          {
16    static bool lt( const char& c1, const char& c2 )                  return toupper(c1) == toupper(c2) ;
17    { return toupper(c1) < toupper(c2) ; }              }
18    static int compare( const char* s1, const char* s2, size_t N )          static bool lt( const char& c1, const char& c2 )
19    {          {
20      return strncasecmp( s1, s2, N ) ; // posix                  return toupper(c1) < toupper(c2) ;
21      // mirosoft C++ - use _strnicmp instead          }
22    }          static int compare( const char* s1, const char* s2, size_t N )
23    static const char* find( const char* s, size_t N, const char& a )          {
24    {                  return strncasecmp( s1, s2, N ) ; // posix
25      for( size_t i=0 ; i<N ; ++i )                  // mirosoft C++ - use _strnicmp instead
26        if( toupper(s[i]) == toupper(a) ) return s+i ;          }
27      return 0 ;          static const char* find( const char* s, size_t N, const char& a )
28    }          {
29    static bool eq_int_type ( const int_type& c1, const int_type& c2 )                  for ( size_t i=0 ; i<N ; ++i )
30    { return toupper(c1) == toupper(c2) ; }                          if ( toupper(s[i]) == toupper(a) ) return s+i ;
31                    return 0 ;
32            }
33            static bool eq_int_type ( const int_type& c1, const int_type& c2 )
34            {
35                    return toupper(c1) == toupper(c2) ;
36            }
37  };  };
38    
39  // string preserves case; comparisons are case insensitive  // string preserves case; comparisons are case insensitive
40  typedef std::basic_string< char, traits_nocase > string_nocase ;  typedef std::basic_string< char, traits_nocase > string_nocase ;
41    
42  // make string_nocase work like a std::string  // make string_nocase work like a std::string
43  //           with streams using std::char_traits  //           with streams using std::char_traits
44  // std::basic_istream< char, std::char_traits<char> > (std::istream) and  // std::basic_istream< char, std::char_traits<char> > (std::istream) and
45  // std::basic_ostream< char, std::char_traits<char> > (std::ostream)  // std::basic_ostream< char, std::char_traits<char> > (std::ostream)
46  inline std::ostream& operator<< ( std::ostream& stm, const string_nocase& str )    inline std::ostream& operator<< ( std::ostream& stm, const string_nocase& str )
47  { return stm << reinterpret_cast<const std::string&>(str) ; }  {
48            return stm << reinterpret_cast<const std::string&>(str) ;
49    }
50    
51  inline std::istream& operator>> ( std::istream& stm, string_nocase& str )    inline std::istream& operator>> ( std::istream& stm, string_nocase& str )
52  {  {
53    std::string s ; stm >> s ;          std::string s ;
54    if(stm) str.assign(s.begin(),s.end()) ;          stm >> s ;
55    return stm ;          if (stm) str.assign(s.begin(),s.end()) ;
56            return stm ;
57  }  }
58    
59  inline std::istream& getline( std::istream& stm, string_nocase& str )  inline std::istream& getline( std::istream& stm, string_nocase& str )
60  {  {
61    std::string s ; std::getline(stm,s) ;          std::string s ;
62    if(stm) str.assign(s.begin(),s.end()) ;          std::getline(stm,s) ;
63    return stm ;          if (stm) str.assign(s.begin(),s.end()) ;
64            return stm ;
65  }  }
66    
67  #endif // __STRING_NOCASE_H__  #endif // __STRING_NOCASE_H__
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