Beispiel #1
0
	char* XMLElement::ParseAttributes( char* p )
	{
		const char* start = p;
		XMLAttribute* prevAttribute = 0;

		// Read the attributes.
		while( p ) {
			p = XMLUtil::SkipWhiteSpace( p );
			if ( !p || !(*p) ) {
				_document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() );
				return 0;
			}

			// attribute.
			if (XMLUtil::IsNameStartChar( *p ) ) {
				XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
				attrib->_memPool = &_document->_attributePool;
				attrib->_memPool->SetTracked();

				p = attrib->ParseDeep( p, _document->ProcessEntities() );
				if ( !p || Attribute( attrib->Name() ) ) {
					DELETE_ATTRIBUTE( attrib );
					_document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p );
					return 0;
				}
				// There is a minor bug here: if the attribute in the source xml
				// document is duplicated, it will not be detected and the
				// attribute will be doubly added. However, tracking the 'prevAttribute'
				// avoids re-scanning the attribute list. Preferring performance for
				// now, may reconsider in the future.
				if ( prevAttribute ) {
					prevAttribute->_next = attrib;
				}
				else {
					_rootAttribute = attrib;
				}
				prevAttribute = attrib;
			}
			// end of the tag
			else if ( *p == '/' && *(p+1) == '>' ) {
				_closingType = CLOSED;
				return p+2;	// done; sealed element.
			}
			// end of the tag
			else if ( *p == '>' ) {
				++p;
				break;
			}
			else {
				_document->SetError( XML_ERROR_PARSING_ELEMENT, start, p );
				return 0;
			}
		}
		return p;
	}
char* XMLElement::ParseAttributes( char* p )
{
	const char* start = p;

	// Read the attributes.
	while( p ) {
		p = XMLUtil::SkipWhiteSpace( p );
		if ( !p || !(*p) ) {
			document->SetError( XML_ERROR_PARSING_ELEMENT, start, Name() );
			return 0;
		}

		// attribute.
		if ( XMLUtil::IsAlpha( *p ) ) {
			XMLAttribute* attrib = new (document->attributePool.Alloc() ) XMLAttribute();
			attrib->memPool = &document->attributePool;

			p = attrib->ParseDeep( p, document->ProcessEntities() );
			if ( !p || Attribute( attrib->Name() ) ) {
				DELETE_ATTRIBUTE( attrib );
				document->SetError( XML_ERROR_PARSING_ATTRIBUTE, start, p );
				return 0;
			}
			LinkAttribute( attrib );
		}
		// end of the tag
		else if ( *p == '/' && *(p+1) == '>' ) {
			closingType = CLOSED;
			return p+2;	// done; sealed element.
		}
		// end of the tag
		else if ( *p == '>' ) {
			++p;
			break;
		}
		else {
			document->SetError( XML_ERROR_PARSING_ELEMENT, start, p );
			return 0;
		}
	}
	return p;
}