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Annotation of mstools/samples/iostutor/exios202.cpp, revision 1.1.1.1

1.1       root        1: // exios202.cpp
                      2: // A custom manipulator with a char* parameter
                      3: #include <iostream.h>
                      4: 
                      5: #include <iomanip.h>
                      6: #include <string.h>
                      7: 
                      8: typedef char* charp;
                      9: IOMANIPdeclare( charp );
                     10: 
                     11: class money {
                     12: private:
                     13:     long value;
                     14:     static char *szCurrentPic;
                     15: public:
                     16:     money( long val ) { value = val; }
                     17:     friend ostream& operator << ( ostream& os, money m ) {
                     18:         // A more complete function would merge the picture
                     19:         // with the value rather than simply appending it
                     20:         os << m.value << '[' << money::szCurrentPic << ']';
                     21:         return os;
                     22:     }
                     23:     friend ostream& setpic( ostream& os, char* szPic ) {
                     24:         money::szCurrentPic = new char[strlen( szPic ) + 1];
                     25:         strcpy( money::szCurrentPic, szPic );
                     26:         return os;
                     27:     }
                     28: };
                     29: char *money::szCurrentPic;  // Static pointer to picture
                     30: 
                     31: OMANIP(charp) setpic(charp c)
                     32: {
                     33:     return OMANIP(charp) (setpic, c);
                     34: }
                     35: 
                     36: void main()
                     37: {
                     38:     money amt = 35235.22;
                     39:     cout << setiosflags( ios::fixed );
                     40:     cout << setpic( "###,###,###.##" ) << "amount = " << amt << endl;
                     41: }

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