Object
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+---DData
The DData class implements a number of methods for manipulating data strings.
#include <stdio.h>
#include "ofc/DData.h"
int main(int argc, char *argv[])
{
DData *dat1 = [DData alloc];
DData *dat2 = [DData new ];
DText *str;
[dat1 init :"DData stores data strings" :25]; // Init with a data string
printf("Length of data string1:%ld\n", [dat1 length]);
str = [dat1 tohexString];
printf("Hex string of data string:%s.\n", [str cstring]);
[str free];
str = [dat1 toBase64];
printf("Base64 string of data string:%s.\n", [str cstring]);
[str free];
printf("Hash value of data string:%ld.\n", [dat1 hash]);
printf("Index of \"data\" in data string is:%ld.\n", [dat1 index :"data" :4 :0 :-1]);
[dat2 set :"DData stores data strings" :1 :17]; // Set with substring
[dat2 put :16 :'!']; // Put a character in the string
[dat2 insert :16 :16 :" strings" :9]; // Insert a data string
[dat2 delete :11 :15]; // Delete a substring
str = [dat2 toText];
printf("Data string2:%s.\n", [str cstring]);
[str free];
printf("Data string1 is "); // Compare strings
if ([dat1 compare :dat2] > 0)
printf("greater");
else if ([dat1 compare :dat2] < 0)
printf("smaller");
else
printf("equal");
printf(" than data string2.\n");
[dat1 free]; // Cleanup
[dat2 free];
return 0;
}