base class for all xml parsers

alib2/src/sax/FromXMLParser.cpp

+/*
+ * FromXMLParser.cpp
+ *
+ *  Created on: Oct 12, 2013
+ *      Author: Jan Travnicek
+ */
+
+#include "FromXMLParser.h"
+#include "ParserException.h"
+
+namespace sax {
+
+bool FromXMLParser::isToken(std::list<Token>& input, Token::TokenType type, std::string data) {
+	return input.front().getType() == type && input.front().getData() == data;
+}
+
+bool FromXMLParser::isTokenType(std::list<Token>& input, Token::TokenType type) {
+	return input.front().getType() == type;
+}
+
+void FromXMLParser::popToken(std::list<Token>& input, Token::TokenType type, std::string data) {
+	if (isToken(input, type, data)) {
+		input.pop_front();
+	} else {
+		throw ParserException(Token(data, type), input.front());
+	}
+}
+
+std::string FromXMLParser::popTokenType(std::list<Token>& input, Token::TokenType type) {
+	if(isTokenType(input, type)) {
+		std::string result = input.front().getData();
+		input.pop_front();
+		return std::move(result);
+	} else {
+		throw ParserException(Token("?", type), input.front());
+	}
+}
+
+} /* namespace sax */

alib2/src/sax/FromXMLParser.h

+/*
+ * FromXMLParser.h
+ *
+ *  Created on: Oct 12, 2013
+ *      Author: Jan Travnicek
+ */
+
+#ifndef FROM_XML_PARSER_H_
+#define FROM_XML_PARSER_H_
+
+#include <list>
+#include "Token.h"
+
+namespace sax {
+
+/**
+ * Parser used to get UnknownAutomaton from XML parsed into list of Tokens.
+ */
+class FromXMLParser {
+protected:
+	bool isToken(std::list<Token> &input, Token::TokenType type, std::string data);
+	bool isTokenType(std::list<Token>& input, Token::TokenType type);
+	void popToken(std::list<Token> &input, Token::TokenType type, std::string data);
+	std::string popTokenType(std::list<Token>& input, Token::TokenType type);
+
+};
+
+} /* namespace sax */
+
+#endif /* FROM_XML_PARSER_H_ */
+