ObjFW  Check-in [1eedeefc72]

 *
 * \param string A UTF-8 encoded C string to append
 * \param length The length of the UTF-8 encoded C string
 */
- (void)appendCStringWithoutUTF8Checking: (const char*)string
				  length: (size_t)length;

/**
 * Appends a C string with the specified encoding and length length to the
 * OFString without checking whether it is valid UTF-8 if the specified encoding
 * is UTF-8.
 *
 * Only use this if you are 100% sure the string you append is either ASCII or
 * UTF-8 if you specified UTF-8 as encoding!
 *
 * \param string A C string to append
 * \param encoding The encoding of the C string
 * \param length The length of the UTF-8 encoded C string
 */
- (void)appendCStringWithoutUTF8Checking: (const char*)string
				encoding: (of_string_encoding_t)encoding
				  length: (size_t)length;

/**
 * Appends another OFString to the OFMutableString.
 *
 * \param string An OFString to append
 */
- (void)appendString: (OFString*)string;

	string = [self resizeMemory: string
			     toSize: length + length_ + 1];
	memcpy(string + length, string_, length_);
	length += length_;
	string[length] = 0;
}

- (void)appendCStringWithoutUTF8Checking: (const char*)string_
				encoding: (of_string_encoding_t)encoding
				  length: (size_t)length_
{
	if (encoding == OF_STRING_ENCODING_UTF_8)
		[self appendCStringWithoutUTF8Checking: string_
						length: length_];
	else {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		[self appendString: [OFString stringWithCString: string_
						       encoding: encoding
							 length: length_]];
		[pool release];
	}
}

- (void)appendString: (OFString*)string_
{
	if (string_ == nil)
		@throw [OFInvalidArgumentException newWithClass: isa
						       selector: _cmd];

	[self appendCString: [string_ cString]];

#import "OFUnboundNamespaceException.h"

#import "macros.h"

typedef void (*state_function)(id, SEL, const char*, size_t*, size_t*);
static SEL selectors[OF_XMLPARSER_NUM_STATES];
static state_function lookupTable[OF_XMLPARSER_NUM_STATES];

static void
cache_append(OFMutableString *cache, const char *string,
    of_string_encoding_t encoding, size_t length)
{
	if (OF_LIKELY(encoding == OF_STRING_ENCODING_UTF_8))
		[cache appendCStringWithoutUTF8Checking: string
						 length: length];
	else {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		[cache appendString: [OFString stringWithCString: string
							encoding: encoding
							  length: length]];
		[pool release];
	}
}

static OFString*
transform_string(OFMutableString *cache, size_t cut, BOOL unescape,
    OFObject <OFStringXMLUnescapingDelegate> *delegate)
{
	[cache replaceOccurrencesOfString: @"\r\n"
			       withString: @"\n"];

}

- (void)setDelegate: (id <OFXMLParserDelegate>)delegate_
{
	OF_SETTER(delegate, delegate_, YES, NO)
}

- (void)parseBuffer: (const char*)buf
- (void)parseBuffer: (const char*)buffer
	 withLength: (size_t)length
{
	size_t i, last = 0;

	for (i = 0; i < length; i++) {
		size_t j = i;

		lookupTable[state](self, selectors[state], buf, &i, &last);
		lookupTable[state](self, selectors[state], buffer, &i, &last);

		/* Ensure we don't count this character twice */
		if (i != j)
			continue;

		if (buffer[i] == '\r' || (buffer[i] == '\n' &&
		if (buf[i] == '\r' || (buf[i] == '\n' && !lastCarriageReturn))
		    !lastCarriageReturn))
			lineNumber++;

		lastCarriageReturn = (buf[i] == '\r');
		lastCarriageReturn = (buffer[i] == '\r');
	}

	/* In OF_XMLPARSER_IN_TAG, there can be only spaces */
	if (length - last > 0 && state != OF_XMLPARSER_IN_TAG)
		[cache appendCStringWithoutUTF8Checking: buf + last
					       encoding: encoding
						 length: length - last];
		cache_append(cache, buffer + last, encoding, length - last);
}

- (void)parseString: (OFString*)string
{
	[self parseBuffer: [string cString]
	       withLength: [string cStringLength]];
}

		@throw [OFMalformedXMLException newWithClass: isa
						      parser: self];

	if (buffer[*i] != '<')
		return;

	if ((length = *i - *last) > 0)
		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, length);
					       encoding: encoding
						 length: length];

	if ([cache cStringLength] > 0) {
		OFString *characters;
		OFAutoreleasePool *pool;

		pool = [[OFAutoreleasePool alloc] init];
		characters = transform_string(cache, 0, YES, self);

{
	if (buffer[*i] == '?')
		level = 1;
	else if (level == 1 && buffer[*i] == '>') {
		OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
		OFString *pi;

		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, *i - *last);
					       encoding: encoding
						 length: *i - *last];
		pi = transform_string(cache, 1, NO, nil);

		if ([pi isEqual: @"xml"] || [pi hasPrefix: @"xml "] ||
		    [pi hasPrefix: @"xml\t"] || [pi hasPrefix: @"xml\r"] ||
		    [pi hasPrefix: @"xml\n"])
			if (![self _parseXMLProcessingInstructions: pi])
				@throw [OFMalformedXMLException

	size_t length, cacheLength;

	if (buffer[*i] != ' ' && buffer[*i] != '\t' && buffer[*i] != '\n' &&
	    buffer[*i] != '\r' && buffer[*i] != '>' && buffer[*i] != '/')
		return;

	if ((length = *i - *last) > 0)
		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, length);
					       encoding: encoding
						 length: length];

	cacheCString = [cache cString];
	cacheLength = [cache cStringLength];

	if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {
		name = [[OFString alloc] initWithCString: tmp + 1
						  length: cacheLength -

	OFString *ns;

	if (buffer[*i] != ' ' && buffer[*i] != '\t' && buffer[*i] != '\n' &&
	    buffer[*i] != '\r' && buffer[*i] != '>')
		return;

	if ((length = *i - *last) > 0)
		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, length);
					       encoding: encoding
						 length: length];

	cacheCString = [cache cString];
	cacheLength = [cache cStringLength];

	if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {
		name = [[OFString alloc] initWithCString: tmp + 1
						  length: cacheLength -

	const char *cacheCString, *tmp;
	size_t length, cacheLength;

	if (buffer[*i] != '=')
		return;

	if ((length = *i - *last) > 0)
		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, length);
					       encoding: encoding
						 length: length];

	[cache deleteLeadingAndTrailingWhitespaces];

	cacheCString = [cache cString];
	cacheLength = [cache cStringLength];

	if ((tmp = memchr(cacheCString, ':', cacheLength)) != NULL) {

	OFString *attributeValue;
	size_t length;

	if (buffer[*i] != delimiter)
		return;

	if ((length = *i - *last) > 0)
		[cache appendCStringWithoutUTF8Checking: buffer + *last
		cache_append(cache, buffer + *last, encoding, length);
					       encoding: encoding
						 length: length];

	pool = [[OFAutoreleasePool alloc] init];
	attributeValue = transform_string(cache, 0, YES, self);

	if (attributePrefix == nil && [attributeName isEqual: @"xmlns"])
		[[namespaces lastObject] setObject: attributeValue
					    forKey: @""];

		level = (buffer[*i] == ']' ? 1 : 0);

		return;
	}

	pool = [[OFAutoreleasePool alloc] init];

	[cache appendCStringWithoutUTF8Checking: buffer + *last
	cache_append(cache, buffer + *last, encoding, *i - *last);
				       encoding: encoding
					 length: *i - *last];
	CDATA = transform_string(cache, 2, NO, nil);

#if defined(OF_HAVE_PROPERTIES) && defined(OF_HAVE_BLOCKS)
	if (CDATAHandler != NULL)
		CDATAHandler(self, CDATA);
	else
#endif

	if (buffer[*i] != '>')
		@throw [OFMalformedXMLException newWithClass: isa
						      parser: self];

	pool = [[OFAutoreleasePool alloc] init];

	[cache appendCStringWithoutUTF8Checking: buffer + *last
	cache_append(cache, buffer + *last, encoding, *i - *last);
				       encoding: encoding
					 length: *i - *last];
	comment = transform_string(cache, 2, NO, nil);

#if defined(OF_HAVE_PROPERTIES) && defined(OF_HAVE_BLOCKS)
	if (commentHandler != NULL)
		commentHandler(self, comment);
	else
#endif