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-
+
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/*
* Worst case: 3 times longer than before.
* Oh, and we can't use [self allocWithSize:] here as self might be a
* @"" literal.
*/
if ((retCString = malloc(([self UTF8StringLength] * 3) + 1)) == NULL)
@throw [OFOutOfMemoryException
exceptionWithClass: isa
exceptionWithClass: [self class]
requestedSize: ([self UTF8StringLength] * 3) + 1];
for (i = 0; *string != '\0'; string++) {
if (isalnum((int)*string) || *string == '-' || *string == '_' ||
*string == '.' || *string == '~')
retCString[i++] = *string;
else {
|
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-
+
|
char *retCString;
char byte = 0;
int state = 0;
size_t i;
if ((retCString = malloc([self UTF8StringLength] + 1)) == NULL)
@throw [OFOutOfMemoryException
exceptionWithClass: isa
exceptionWithClass: [self class]
requestedSize: [self UTF8StringLength] + 1];
for (i = 0; *string; string++) {
switch (state) {
case 0:
if (*string == '%')
state = 1;
|
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-
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+
|
else if (*string >= 'A' && *string <= 'F')
byte += (*string - 'A' + 10) << shift;
else if (*string >= 'a' && *string <= 'f')
byte += (*string - 'a' + 10) << shift;
else {
free(retCString);
@throw [OFInvalidEncodingException
exceptionWithClass: isa];
exceptionWithClass: [self class]];
}
if (++state == 3) {
retCString[i++] = byte;
state = 0;
byte = 0;
}
break;
}
}
retCString[i] = '\0';
if (state != 0) {
free(retCString);
@throw [OFInvalidEncodingException exceptionWithClass: isa];
@throw [OFInvalidEncodingException
exceptionWithClass: [self class]];
}
@try {
ret = [OFString stringWithUTF8String: retCString
length: i];
} @finally {
free(retCString);
}
return ret;
}
@end
|