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}
}
if ((i = of_string_unicode_to_utf8(c, buffer)) == 0)
return nil;
buffer[i] = 0;
return [OFString stringWithCString: buffer
length: i];
return [OFString stringWithUTF8String: buffer
length: i];
}
@implementation OFString (XMLUnescaping)
- (OFString*)stringByXMLUnescaping
{
return [self stringByXMLUnescapingWithDelegate: nil];
}
- (OFString*)stringByXMLUnescapingWithDelegate:
(id <OFStringXMLUnescapingDelegate>)delegate
{
const char *string;
size_t i, last, length;
BOOL inEntity;
OFMutableString *ret;
string = [self cString];
length = [self cStringLength];
string = [self UTF8String];
length = [self UTF8StringLength];
ret = [OFMutableString string];
last = 0;
inEntity = NO;
for (i = 0; i < length; i++) {
if (!inEntity && string[i] == '&') {
[ret appendCString: string + last
withLength: i - last];
[ret appendUTF8String: string + last
withLength: i - last];
last = i + 1;
inEntity = YES;
} else if (inEntity && string[i] == ';') {
const char *entity = string + last;
size_t entityLength = i - last;
if (entityLength == 2 && !memcmp(entity, "lt", 2))
[ret appendCString: "<"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 2 && !memcmp(entity, "gt", 2))
[ret appendCString: ">"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 4 &&
!memcmp(entity, "quot", 4))
[ret appendCString: "\""
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 4 &&
!memcmp(entity, "apos", 4))
[ret appendCString: "'"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 3 && !memcmp(entity, "amp", 3))
[ret appendCString: "&"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entity[0] == '#') {
OFAutoreleasePool *pool;
OFString *tmp;
pool = [[OFAutoreleasePool alloc] init];
tmp = parse_numeric_entity(entity,
entityLength);
if (tmp == nil)
@throw [OFInvalidEncodingException
newWithClass: isa];
[ret appendString: tmp];
[pool release];
} else if (delegate != nil) {
OFAutoreleasePool *pool;
OFString *n, *tmp;
pool = [[OFAutoreleasePool alloc] init];
n = [OFString stringWithCString: entity
length: entityLength];
n = [OFString
stringWithUTF8String: entity
length: entityLength];
tmp = [delegate string: self
containsUnknownEntityNamed: n];
if (tmp == nil)
@throw [OFInvalidEncodingException
newWithClass: isa];
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inEntity = NO;
}
}
if (inEntity)
@throw [OFInvalidEncodingException newWithClass: isa];
[ret appendCString: string + last
withLength: i - last];
[ret appendUTF8String: string + last
withLength: i - last];
[ret makeImmutable];
return ret;
}
#ifdef OF_HAVE_BLOCKS
- (OFString*)stringByXMLUnescapingWithBlock:
(of_string_xml_unescaping_block_t)block
{
const char *string;
size_t i, last, length;
BOOL inEntity;
OFMutableString *ret;
string = [self cString];
length = [self cStringLength];
string = [self UTF8String];
length = [self UTF8StringLength];
ret = [OFMutableString string];
last = 0;
inEntity = NO;
for (i = 0; i < length; i++) {
if (!inEntity && string[i] == '&') {
[ret appendCString: string + last
withLength: i - last];
[ret appendUTF8String: string + last
withLength: i - last];
last = i + 1;
inEntity = YES;
} else if (inEntity && string[i] == ';') {
const char *entity = string + last;
size_t entityLength = i - last;
if (entityLength == 2 && !memcmp(entity, "lt", 2))
[ret appendCString: "<"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 2 && !memcmp(entity, "gt", 2))
[ret appendCString: ">"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 4 &&
!memcmp(entity, "quot", 4))
[ret appendCString: "\""
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 4 &&
!memcmp(entity, "apos", 4))
[ret appendCString: "'"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entityLength == 3 && !memcmp(entity, "amp", 3))
[ret appendCString: "&"
withEncoding: OF_STRING_ENCODING_ASCII
withLength: 1];
length: 1];
else if (entity[0] == '#') {
OFAutoreleasePool *pool;
OFString *tmp;
pool = [[OFAutoreleasePool alloc] init];
tmp = parse_numeric_entity(entity,
entityLength);
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} else {
OFAutoreleasePool *pool;
OFString *entityString, *tmp;
pool = [[OFAutoreleasePool alloc] init];
entityString = [OFString
stringWithCString: entity
length: entityLength];
stringWithUTF8String: entity
length: entityLength];
tmp = block(self, entityString);
if (tmp == nil)
@throw [OFInvalidEncodingException
newWithClass: isa];
[ret appendString: tmp];
[pool release];
}
last = i + 1;
inEntity = NO;
}
}
if (inEntity)
@throw [OFInvalidEncodingException newWithClass: isa];
[ret appendCString: string + last
withLength: i - last];
[ret appendUTF8String: string + last
withLength: i - last];
[ret makeImmutable];
return ret;
}
#endif
@end
|