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s->cStringLength = newCStringLength;
s->length = newLength;
}
- (void)replaceOccurrencesOfString: (OFString*)string
withString: (OFString*)replacement
{
const char *UTF8String = [string UTF8String];
const char *replacementUTF8String = [replacement UTF8String];
size_t UTF8StringLength = [string UTF8StringLength];
size_t replacementUTF8StringLength = [replacement UTF8StringLength];
size_t i, last, newCStringLength, newLength;
char *newCString;
if (UTF8StringLength > s->cStringLength)
return;
newCString = NULL;
newCStringLength = 0;
newLength = s->length;
for (i = 0, last = 0; i <= s->cStringLength - UTF8StringLength; i++) {
if (memcmp(s->cString + i, UTF8String, UTF8StringLength))
continue;
@try {
newCString = [self
resizeMemory: newCString
toSize: newCStringLength + i - last +
replacementUTF8StringLength + 1];
} @catch (id e) {
[self freeMemory: newCString];
@throw e;
}
memcpy(newCString + newCStringLength, s->cString + last,
i - last);
memcpy(newCString + newCStringLength + i - last,
replacementUTF8String, replacementUTF8StringLength);
newCStringLength += i - last + replacementUTF8StringLength;
newLength = newLength - [string length] + [replacement length];
i += UTF8StringLength - 1;
last = i + 1;
}
@try {
newCString = [self
resizeMemory: newCString
toSize: newCStringLength +
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s->cStringLength = newCStringLength;
s->length = newLength;
}
- (void)replaceOccurrencesOfString: (OFString*)string
withString: (OFString*)replacement
inRange: (of_range_t)range
{
const char *searchString = [string UTF8String];
const char *replacementString = [replacement UTF8String];
size_t searchLength = [string UTF8StringLength];
size_t replacementLength = [replacement UTF8StringLength];
size_t i, last, newCStringLength, newLength;
char *newCString;
if (s->UTF8) {
range.start = of_string_index_to_position(s->cString,
range.start, s->cStringLength);
range.length = of_string_index_to_position(s->cString,
range.start + range.length, s->cStringLength) - range.start;
}
if (range.start + range.length > [self UTF8StringLength])
@throw [OFOutOfRangeException exceptionWithClass: isa];
if ([string UTF8StringLength] > range.length)
return;
newCString = NULL;
newCStringLength = 0;
newLength = s->length;
for (i = range.start, last = 0; i <= range.length - searchLength; i++) {
if (memcmp(s->cString + i, searchString, searchLength))
continue;
@try {
newCString = [self
resizeMemory: newCString
toSize: newCStringLength + i - last +
replacementLength + 1];
} @catch (id e) {
[self freeMemory: newCString];
@throw e;
}
memcpy(newCString + newCStringLength, s->cString + last,
i - last);
memcpy(newCString + newCStringLength + i - last,
replacementString, replacementLength);
newCStringLength += i - last + replacementLength;
newLength = newLength - [string length] + [replacement length];
i += searchLength - 1;
last = i + 1;
}
@try {
newCString = [self
resizeMemory: newCString
toSize: newCStringLength +
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