ObjFW  Check-in [aaf4e02cb8]

#import "OFString.h"
#import "OFXMLAttribute.h"

@class OFXMLParser;
@class OFArray;
@class OFMutableArray;

#ifdef OF_HAVE_BLOCKS
typedef void (^of_xml_parser_element_start_block_t)(OFXMLParser *parser,
    OFString *name, OFString *prefix, OFString *ns, OFArray *attrs);
typedef void (^of_xml_parser_element_end_block_t)(OFXMLParser *parser,
    OFString *name, OFString *prefix, OFString *ns);
typedef void (^of_xml_parser_string_block_t)(OFXMLParser *parser,
    OFString *string);
typedef OFString* (^of_xml_parser_unknown_entity_block_t)(OFXMLParser *parser,

	OFString *prefix;
	OFMutableArray *namespaces;
	OFMutableArray *attrs;
	OFString *attrName;
	OFString *attrPrefix;
	char delim;
	OFMutableArray *previous;
#ifdef OF_HAVE_BLOCKS
	of_xml_parser_element_start_block_t elementStartHandler;
	of_xml_parser_element_end_block_t elementEndHandler;
	of_xml_parser_string_block_t charactersHandler;
	of_xml_parser_string_block_t CDATAHandler;
	of_xml_parser_string_block_t commentHandler;
	of_xml_parser_unknown_entity_block_t unknownEntityHandler;
#endif

/**
 * Sets the delegate the OFXMLParser should use.
 *
 * \param delegate The delegate to use
 */
- (void)setDelegate: (id <OFXMLParserDelegate>)delegate;

#ifdef OF_HAVE_BLOCKS
/**
 * \return The element start handler
 */
- (of_xml_parser_element_start_block_t)elementStartHandler;

/**
 * Sets the element start handler.

							  prefix: attr_prefix];

	[attr->ns release];
	attr->ns = [attr_ns retain];
}

@implementation OFXMLParser





+ (void)initialize
{
	size_t i;

	const SEL sels[] = {
		@selector(_parseOutsideTagWithBuffer:i:last:),
		@selector(_parseTagOpenedWithBuffer:i:last:),

	[name release];
	[prefix release];
	[namespaces release];
	[attrs release];
	[attrName release];
	[attrPrefix release];
	[previous release];
#ifdef OF_HAVE_BLOCKS
	[elementStartHandler release];
	[elementEndHandler release];
	[charactersHandler release];
	[CDATAHandler release];
	[commentHandler release];
	[unknownEntityHandler release];
#endif

- (void)setDelegate: (id <OFXMLParserDelegate>)delegate_
{
	[(id)delegate_ retain];
	[(id)delegate release];
	delegate = delegate_;
}

#ifdef OF_HAVE_BLOCKS
- (of_xml_parser_element_start_block_t)elementStartHandler
{
	return [[elementStartHandler copy] autorelease];
}

- (void)setElementStartHandler: (of_xml_parser_element_start_block_t)block
{
	block = [block copy];
	[elementStartHandler release];
	elementStartHandler = block;
}

- (of_xml_parser_element_end_block_t)elementEndHandler
{
	return [[elementEndHandler copy] autorelease];
}

- (void)setElementEndHandler: (of_xml_parser_element_end_block_t)block
{
	block = [block copy];
	[elementEndHandler release];
	elementEndHandler = block;
}

- (of_xml_parser_string_block_t)charactersHandler
{
	return [[charactersHandler copy] autorelease];
}

- (void)setCharactersHandler: (of_xml_parser_string_block_t)block
{
	block = [block copy];
	[charactersHandler release];
	charactersHandler = block;
}

- (of_xml_parser_string_block_t)CDATAHandler
{
	return [[CDATAHandler copy] autorelease];
}

- (void)setCDATAHandler: (of_xml_parser_string_block_t)block
{
	block = [block copy];
	[CDATAHandler release];
	CDATAHandler = block;
}

- (of_xml_parser_string_block_t)commentHandler
{
	return [[commentHandler copy] autorelease];
}

- (void)setCommentHandler: (of_xml_parser_string_block_t)block
{
	block = [block copy];
	[commentHandler release];
	commentHandler = block;
}

- (of_xml_parser_unknown_entity_block_t)unknownEntityHandler
{
	return [[unknownEntityHandler copy] autorelease];
}

- (void)setUnknownEntityHandler: (of_xml_parser_unknown_entity_block_t)block
{
	block = [block copy];
	[unknownEntityHandler release];
	unknownEntityHandler = block;
}
#endif

- (void)parseBuffer: (const char*)buf
	   withSize: (size_t)size
{
	size_t i, last = 0;

	for (i = 0; i < size; i++)
		lookup_table[state](self, selectors[state], buf, &i, &last);

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

		pool = [[OFAutoreleasePool alloc] init];
		str = transform_string(cache, self);

#ifdef OF_HAVE_BLOCKS
		if (charactersHandler != NULL)
			charactersHandler(self, str);
		else
#endif
			[delegate parser: self
			 foundCharacters: str];

		if (prefix != nil && ns == nil)
			@throw
			    [OFUnboundNamespaceException newWithClass: isa
							       prefix: prefix];

		pool = [[OFAutoreleasePool alloc] init];

#ifdef OF_HAVE_BLOCKS
		if (elementStartHandler != NULL)
			elementStartHandler(self, name, prefix, ns, nil);
		else
#endif
			[delegate parser: self
			 didStartElement: name
			      withPrefix: prefix
			       namespace: ns
			      attributes: nil];

		if (buf[*i] == '/') {
#ifdef OF_HAVE_BLOCKS
			if (elementEndHandler != NULL)
				elementEndHandler(self, name, prefix, ns);
			else
#endif
				[delegate parser: self
				   didEndElement: name
				      withPrefix: prefix

	ns = namespace_for_prefix(prefix, namespaces);
	if (prefix != nil && ns == nil)
		@throw [OFUnboundNamespaceException newWithClass: isa
							  prefix: prefix];

	pool = [[OFAutoreleasePool alloc] init];

#ifdef OF_HAVE_BLOCKS
	if (elementEndHandler != NULL)
		elementEndHandler(self, name, prefix, ns);
	else
#endif
		[delegate parser: self
		   didEndElement: name
		      withPrefix: prefix

							  prefix: prefix];

	for (j = 0; j < attrs_cnt; j++)
		resolve_attr_namespace(attrs_c[j], prefix, ns, namespaces, isa);

	pool = [[OFAutoreleasePool alloc] init];

#ifdef OF_HAVE_BLOCKS
	if (elementStartHandler != NULL)
		elementStartHandler(self, name, prefix, ns, attrs);
	else
#endif
		[delegate parser: self
		 didStartElement: name
		      withPrefix: prefix
		       namespace: ns
		      attributes: attrs];

	if (buf[*i] == '/') {
#ifdef OF_HAVE_BLOCKS
		if (elementEndHandler != NULL)
			elementEndHandler(self, name, prefix, ns);
		else
#endif
			[delegate parser: self
			   didEndElement: name
			      withPrefix: prefix

					 length: *i - *last];
	cdata = [[cache mutableCopy] autorelease];
	len = [cdata length];

	[cdata removeCharactersFromIndex: len - 2
				 toIndex: len];

#ifdef OF_HAVE_BLOCKS
	if (CDATAHandler != NULL)
		CDATAHandler(self, cdata);
	else
#endif
		[delegate parser: self
		      foundCDATA: cdata];

					 length: *i - *last];
	comment = [[cache mutableCopy] autorelease];
	len = [comment length];

	[comment removeCharactersFromIndex: len - 2
				   toIndex: len];

#ifdef OF_HAVE_BLOCKS
	if (commentHandler != NULL)
		commentHandler(self, comment);
	else
#endif
		[delegate parser: self
		    foundComment: comment];

	*last = *i + 1;
}

-	   (OFString*)string: (OFString*)string
  containsUnknownEntityNamed: (OFString*)entity
{
#ifdef OF_HAVE_BLOCKS
	if (unknownEntityHandler != NULL)
		return unknownEntityHandler(self, entity);
#endif

	return [delegate parser: self
	foundUnknownEntityNamed: entity];
}