ObjFW  Diff

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This file is part of ObjFW. It may be distributed under the terms of the
 * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
 * the packaging of this file.
 *

	[OF_XMLPARSER_IN_DOCTYPE] = inDOCTYPEState
};

static OF_INLINE void
appendToBuffer(OFMutableData *buffer, const char *string,
    of_string_encoding_t encoding, size_t length)
{
	if (OF_LIKELY(encoding == OF_STRING_ENCODING_UTF_8))
		[buffer addItems: string
	if OF_LIKELY(encoding == OF_STRING_ENCODING_UTF_8)
		[buffer addItems: string count: length];
			   count: length];
	else {
		void *pool = objc_autoreleasePoolPush();
		OFString *tmp = [OFString stringWithCString: string
						   encoding: encoding
						     length: length];
		[buffer addItems: tmp.UTF8String
		[buffer addItems: tmp.UTF8String count: tmp.UTF8StringLength];
			   count: tmp.UTF8StringLength];
		objc_autoreleasePoolPop(pool);
	}
}

static OFString *
transformString(OFXMLParser *parser, OFMutableData *buffer, size_t cut,
    bool unescape)

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

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

	if (unescape && hasEntities) {
		@try {
			return [ret stringByXMLUnescapingWithDelegate: parser];
		} @catch (OFInvalidFormatException *e) {
			@throw [OFMalformedXMLException
			    exceptionWithParser: parser];

	[_attributeName release];
	[_attributePrefix release];
	[_previous release];

	[super dealloc];
}

- (void)parseBuffer: (const char *)buffer
- (void)parseBuffer: (const char *)buffer length: (size_t)length
	     length: (size_t)length
{
	_data = buffer;

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

		lookupTable[_state](self);

	if (length - _last > 0 && _state != OF_XMLPARSER_IN_TAG)
		appendToBuffer(_buffer, _data + _last, _encoding,
		    length - _last);
}

- (void)parseString: (OFString *)string
{
	[self parseBuffer: string.UTF8String
	[self parseBuffer: string.UTF8String length: string.UTF8StringLength];
		   length: string.UTF8StringLength];
}

- (void)parseStream: (OFStream *)stream
{
	size_t pageSize = [OFSystemInfo pageSize];
	char *buffer = of_alloc(1, pageSize);

	@try {
		while (!stream.atEndOfStream) {
			size_t length = [stream readIntoBuffer: buffer
							length: pageSize];

			[self parseBuffer: buffer
			[self parseBuffer: buffer length: length];
				   length: length];
		}
	} @finally {
		free(buffer);
	}
}

#ifdef OF_HAVE_FILES
- (void)parseFile: (OFString *)path
{
	OFFile *file = [[OFFile alloc] initWithPath: path
					       mode: @"r"];
	@try {
		[self parseStream: file];
	} @finally {
		[file release];
	}
}
#endif

static void
inByteOrderMarkState(OFXMLParser *self)
{
	if (self->_data[self->_i] != "\xEF\xBB\xBF"[self->_level]) {
		if (self->_level == 0) {
			self->_state = OF_XMLPARSER_OUTSIDE_TAG;
			self->_i--;

		    [PI hasPrefix: @"xml\n"])
			if (!parseXMLProcessingInstructions(self, PI))
				@throw [OFMalformedXMLException
				    exceptionWithParser: self];

		if ([self->_delegate respondsToSelector:
		    @selector(parser:foundProcessingInstructions:)])
			[self->_delegate	 parser: self
			[self->_delegate parser: self
			    foundProcessingInstructions: PI];

		objc_autoreleasePoolPop(pool);

		[self->_buffer removeAllItems];

		self->_last = self->_i + 1;

		appendToBuffer(self->_buffer, self->_data + self->_last,
		    self->_encoding, self->_i - self->_last);
		CDATA = transformString(self, self->_buffer, 2, false);

		if ([self->_delegate respondsToSelector:
		    @selector(parser:foundCDATA:)])
			[self->_delegate parser: self
			[self->_delegate parser: self foundCDATA: CDATA];
				     foundCDATA: CDATA];

		objc_autoreleasePoolPop(pool);

		[self->_buffer removeAllItems];

		self->_last = self->_i + 1;
		self->_state = OF_XMLPARSER_OUTSIDE_TAG;

	appendToBuffer(self->_buffer, self->_data + self->_last,
	    self->_encoding, self->_i - self->_last);
	comment = transformString(self, self->_buffer, 2, false);

	if ([self->_delegate respondsToSelector:
	    @selector(parser:foundComment:)])
		[self->_delegate parser: self
		[self->_delegate parser: self foundComment: comment];
			   foundComment: comment];

	objc_autoreleasePoolPop(pool);

	[self->_buffer removeAllItems];

	self->_last = self->_i + 1;
	self->_state = OF_XMLPARSER_OUTSIDE_TAG;

}

-	  (OFString *)string: (OFString *)string
  containsUnknownEntityNamed: (OFString *)entity
{
	if ([_delegate respondsToSelector:
	    @selector(parser:foundUnknownEntityNamed:)])
		return [_delegate parser: self
		return [_delegate parser: self foundUnknownEntityNamed: entity];
		 foundUnknownEntityNamed: entity];

	return nil;
}
@end