ObjFW  Check-in [036c487137]

static OFString*
transform_string(OFDataArray *cache, size_t cut, BOOL unescape,
    id <OFStringXMLUnescapingDelegate> delegate)
{
	char *items;
	size_t i, length;
	BOOL hasEntities = NO;
	OFMutableString *ret;
	OFString *ret;

	items = [cache items];
	length = [cache count] - cut;

	for (i = 0; i < length; i++) {
		if (items[i] == '\r') {
			if (i + 1 < length && items[i + 1] == '\n') {
				[cache removeItemAtIndex: i];
				items = [cache items];

				i--;
				length--;
			} else
				items[i] = '\n';
		} else if (items[i] == '&')
			hasEntities = YES;
	}

	ret = [OFMutableString stringWithUTF8String: items
					     length: length];
	ret = [OFString stringWithUTF8String: items
				      length: length];

	if (unescape && hasEntities)
		return [ret stringByXMLUnescapingWithDelegate: delegate];

	[ret makeImmutable];

	return ret;
}

static OFString*
namespace_for_prefix(OFString *prefix, OFArray *namespaces)
{
	OFDictionary **objects = [namespaces objects];