Method ParseAttributes

src/util/tinyxml2/tinyxml2.cpp:1806–1864

	char* XMLElement::ParseAttributes(char* p, int* curLineNumPtr)
	{
		const char* start = p;
		XMLAttribute* prevAttribute = 0;

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

			// attribute.
			if (XMLUtil::IsNameStartChar(*p)) {
				XMLAttribute* attrib = CreateAttribute();
				TIXMLASSERT(attrib);
				attrib->_parseLineNum = _document->_parseCurLineNum;

				int attrLineNum = attrib->_parseLineNum;

				p = attrib->ParseDeep(p, _document->ProcessEntities(), curLineNumPtr);
				if (!p || Attribute(attrib->Name())) {
					DeleteAttribute(attrib);
					_document->SetError(XML_ERROR_PARSING_ATTRIBUTE, start, p, attrLineNum);
					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) {
					TIXMLASSERT(prevAttribute->_next == 0);
					prevAttribute->_next = attrib;
				}
				else {
					TIXMLASSERT(_rootAttribute == 0);
					_rootAttribute = attrib;
				}
				prevAttribute = attrib;
			}
			// end of the tag
			else if (*p == '>') {
				++p;
				break;
			}
			// end of the tag
			else if (*p == '/' && *(p + 1) == '>') {
				_closingType = CLOSED;
				return p + 2;	// done; sealed element.
			}
			else {
				_document->SetError(XML_ERROR_PARSING_ELEMENT, start, p, _parseLineNum);
				return 0;
			}
		}
		return p;