ObjFW  Diff

#import "macros.h"

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

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

static OFString*
transform_string(OFDataArray *buffer, size_t cut, bool unescape,
    id <OFStringXMLUnescapingDelegate> delegate)
{
	char *items;
	size_t i, length;
	bool hasEntities = false;
	OFString *ret;

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

	return ret;
}

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

	if (prefix == nil)
		prefix = @"";

	for (i = [namespaces count] - 1; i >= 0; i--) {
		OFString *tmp;

		if ((tmp = [objects[i] objectForKey: prefix]) != nil)
			return tmp;
	}

	return nil;
}

static OF_INLINE void
resolve_attribute_namespace(OFXMLAttribute *attribute, OFArray *namespaces,
    OFXMLParser *self)
{
	OFString *attributeNS;
	OFString *attributePrefix = attribute->_namespace;

	if (attributePrefix == nil)
		return;

	attributeNS = namespace_for_prefix(attributePrefix, namespaces);

	if ((attributePrefix != nil && attributeNS == nil))
		@throw [OFUnboundPrefixException
		    exceptionWithPrefix: attributePrefix
				 parser: self];

	[attribute->_namespace release];

			_lineNumber++;

		_lastCarriageReturn = (_data[_i] == '\r');
	}

	/* In OF_XMLPARSER_IN_TAG, there can be only spaces */
	if (length - _last > 0 && _state != OF_XMLPARSER_IN_TAG)
		buffer_append(_buffer, _data + _last, _encoding,
		    length - _last);
}

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

	    _data[_i] != '<')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	if (_data[_i] != '<')
		return;

	if ((length = _i - _last) > 0)
		buffer_append(_buffer, _data + _last, _encoding, length);

	if ([_buffer count] > 0) {
		void *pool = objc_autoreleasePoolPush();
		OFString *characters = transform_string(_buffer, 0, true, self);

		if ([_delegate respondsToSelector:
		    @selector(parser:foundCharacters:)])
			[_delegate parser: self
			  foundCharacters: characters];

		objc_autoreleasePoolPop(pool);

{
	if (_data[_i] == '?')
		_level = 1;
	else if (_level == 1 && _data[_i] == '>') {
		void *pool = objc_autoreleasePoolPush();
		OFString *PI;

		buffer_append(_buffer, _data + _last, _encoding, _i - _last);
		PI = transform_string(_buffer, 1, false, nil);

		if ([PI isEqual: @"xml"] || [PI hasPrefix: @"xml "] ||
		    [PI hasPrefix: @"xml\t"] || [PI hasPrefix: @"xml\r"] ||
		    [PI hasPrefix: @"xml\n"])
			if (![self OF_parseXMLProcessingInstructions: PI])
				@throw [OFMalformedXMLException
				    exceptionWithParser: self];

	OFString *bufferString;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
	    _data[_i] != '\r' && _data[_i] != '>' && _data[_i] != '/')
		return;

	if ((length = _i - _last) > 0)
		buffer_append(_buffer, _data + _last, _encoding, length);

	pool = objc_autoreleasePoolPush();

	bufferCString = [_buffer items];
	bufferLength = [_buffer count];
	bufferString = [OFString stringWithUTF8String: bufferCString
					       length: bufferLength];

		_name = [bufferString copy];
		_prefix = nil;
	}

	if (_data[_i] == '>' || _data[_i] == '/') {
		OFString *namespace;

		namespace = namespace_for_prefix(_prefix, _namespaces);

		if (_prefix != nil && namespace == nil)
			@throw [OFUnboundPrefixException
			    exceptionWithPrefix: _prefix
					 parser: self];

		if ([_delegate respondsToSelector: @selector(parser:

	OFString *bufferString, *namespace;

	if (_data[_i] != ' ' && _data[_i] != '\t' && _data[_i] != '\n' &&
	    _data[_i] != '\r' && _data[_i] != '>')
		return;

	if ((length = _i - _last) > 0)
		buffer_append(_buffer, _data + _last, _encoding, length);

	pool = objc_autoreleasePoolPush();

	bufferCString = [_buffer items];
	bufferLength = [_buffer count];
	bufferString = [OFString stringWithUTF8String: bufferCString
					       length: bufferLength];

	if (![[_previous lastObject] isEqual: bufferString])
		@throw [OFMalformedXMLException exceptionWithParser: self];

	[_previous removeLastObject];

	[_buffer removeAllItems];

	namespace = namespace_for_prefix(_prefix, _namespaces);
	if (_prefix != nil && namespace == nil)
		@throw [OFUnboundPrefixException exceptionWithPrefix: _prefix
							      parser: self];

	if ([_delegate respondsToSelector:
	    @selector(parser:didEndElement:prefix:namespace:)])
		[_delegate parser: self

		return;
	}

	attributesObjects = [_attributes objects];
	attributesCount = [_attributes count];

	namespace = namespace_for_prefix(_prefix, _namespaces);

	if (_prefix != nil && namespace == nil)
		@throw [OFUnboundPrefixException exceptionWithPrefix: _prefix
							      parser: self];

	for (j = 0; j < attributesCount; j++)
		resolve_attribute_namespace(attributesObjects[j], _namespaces,
		    self);

	pool = objc_autoreleasePoolPush();

	if ([_delegate respondsToSelector:
	    @selector(parser:didStartElement:prefix:namespace:attributes:)])
		[_delegate parser: self

	size_t length, bufferLength;

	if (_data[_i] != '=' && _data[_i] != ' ' && _data[_i] != '\t' &&
	    _data[_i] != '\n' && _data[_i] != '\r')
		return;

	if ((length = _i - _last) > 0)
		buffer_append(_buffer, _data + _last, _encoding, length);

	pool = objc_autoreleasePoolPush();

	bufferString = [OFString stringWithUTF8String: [_buffer items]
					       length: [_buffer count]];

	bufferCString = [bufferString UTF8String];

	OFString *attributeValue;
	size_t length;

	if (_data[_i] != _delimiter)
		return;

	if ((length = _i - _last) > 0)
		buffer_append(_buffer, _data + _last, _encoding, length);

	pool = objc_autoreleasePoolPush();
	attributeValue = transform_string(_buffer, 0, true, self);

	if (_attributePrefix == nil && [_attributeName isEqual: @"xmlns"])
		[[_namespaces lastObject] setObject: attributeValue
					     forKey: @""];
	if ([_attributePrefix isEqual: @"xmlns"])
		[[_namespaces lastObject] setObject: attributeValue
					     forKey: _attributeName];

	if (_data[_i] == ']')
		_level++;
	else if (_data[_i] == '>' && _level >= 2) {
		void *pool = objc_autoreleasePoolPush();
		OFString *CDATA;

		buffer_append(_buffer, _data + _last, _encoding, _i - _last);
		CDATA = transform_string(_buffer, 2, false, nil);

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

		objc_autoreleasePoolPop(pool);

	OFString *comment;

	if (_data[_i] != '>')
		@throw [OFMalformedXMLException exceptionWithParser: self];

	pool = objc_autoreleasePoolPush();

	buffer_append(_buffer, _data + _last, _encoding, _i - _last);
	comment = transform_string(_buffer, 2, false, nil);

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

	objc_autoreleasePoolPop(pool);