fix parsing prefix ranked notation

alib2data/src/XmlApi.cpp

@@ -1142,7 +1142,7 @@ tree::PrefixRankedNotation xmlApi<tree::PrefixRankedNotation>::parse(std::deque<
 }
 bool xmlApi<tree::PrefixRankedNotation>::first(const std::deque<sax::Token>& input) {
-	return sax::FromXMLParserHelper::isToken(input, sax::Token::TokenType::START_ELEMENT, Names::TREE_RANKED_TREE);
+	return sax::FromXMLParserHelper::isToken(input, sax::Token::TokenType::START_ELEMENT, Names::TREE_PREFIX_RANKED_NOTATION);
 }
 void xmlApi<tree::PrefixRankedNotation>::compose(std::deque<sax::Token>& output, const tree::PrefixRankedNotation& data) {

alib2data/src/tree/TreeFromXMLParser.cpp

@@ -14,7 +14,7 @@
 namespace tree {
 Tree TreeFromXMLParser::parseTree(std::deque<sax::Token> &input) const {
-	return parseTree(input, std::set<FEATURES>({FEATURES::RANKED_TREE, FEATURES::UNRANKED_TREE}));
+	return parseTree(input, std::set<FEATURES>({FEATURES::RANKED_TREE, FEATURES::UNRANKED_TREE, FEATURES::PREFIX_RANKED_NOTATION}));
 }
 Tree TreeFromXMLParser::parseTree(std::deque<sax::Token>& input, const std::set<FEATURES>& features) const {
@@ -24,8 +24,11 @@ Tree TreeFromXMLParser::parseTree(std::deque<sax::Token>& input, const std::set<
 	} else if(alib::xmlApi<UnrankedTree>::first(input)) {
 		if(!features.count(FEATURES::UNRANKED_TREE)) throw exception::AlibException();
 		return Tree(parseUnrankedTree(input));
+	} else if(alib::xmlApi<PrefixRankedNotation>::first(input)) {
+		if(!features.count(FEATURES::PREFIX_RANKED_NOTATION)) throw exception::AlibException();
+		return Tree(parsePrefixRankedNotation(input));
 	} else
-		throw sax::ParserException(sax::Token("Tree / RankedTree / UnrankedTree", sax::Token::TokenType::START_ELEMENT), input.front());
+		throw sax::ParserException(sax::Token("Tree / RankedTree / PrefixRankedNotation / UnrankedTree", sax::Token::TokenType::START_ELEMENT), input.front());
 }
 RankedTree TreeFromXMLParser::parseRankedTree(std::deque<sax::Token>& input) const {
@@ -118,7 +121,7 @@ UnrankedNode * TreeFromXMLParser::parseUnrankedNode(std::deque<sax::Token> &inpu
 }
 bool TreeFromXMLParser::first(const std::deque<sax::Token>& input) const {
-	if (alib::xmlApi<RankedTree>::first(input) || alib::xmlApi<UnrankedTree>::first(input)) {
+	if (alib::xmlApi<RankedTree>::first(input) || alib::xmlApi<PrefixRankedNotation>::first(input) || alib::xmlApi<UnrankedTree>::first(input)) {
 		return true;
 	} else {
 		return false;