Exception xml interface

alib2/src/AlibException.cpp

@@ -17,7 +17,7 @@ AlibException::AlibException ( const std::string & cause ) {
 	this->cause = cause;
 }
-AlibException::~AlibException ( ) {
+AlibException::~AlibException ( ) noexcept {
 }

alib2/src/AlibException.h

@@ -25,7 +25,7 @@ public:
 	AlibException ( );
 	AlibException ( const std::string & cause );
-	virtual ~AlibException ( );
+	virtual ~AlibException ( ) noexcept;
 	/**
 	 * @return reason why the exception occured

alib2/src/ExceptionFromXMLParser.cpp

+/*
+ * ExceptionFromXMLParser.cpp
+ *
+ *  Created on: Nov 23, 2013
+ *      Author: Jan Travnicek
+ */
+
+#include "ExceptionFromXMLParser.h"
+#include "sax/ParserException.h"
+#include <string>
+
+namespace alib {
+
+AlibException ExceptionFromXMLParser::parse(std::list<sax::Token>& input) {
+	popToken(input, sax::Token::START_ELEMENT, "exception");
+	std::string cause = "";
+	if (input.front().getType() == sax::Token::CHARACTER) {
+		cause = input.front().getData();
+		input.pop_front();
+	}
+	popToken(input, sax::Token::END_ELEMENT, "exception");
+	return AlibException(cause);
+}
+
+bool ExceptionFromXMLParser::isToken(std::list<sax::Token>& input, sax::Token::TokenType type, std::string data) {
+	return input.front().getType() == type && input.front().getData() == data;
+}
+
+void ExceptionFromXMLParser::popToken(std::list<sax::Token>& input, sax::Token::TokenType type, std::string data) {
+	if (isToken(input, type, data)) {
+		input.pop_front();
+	} else {
+		throw sax::ParserException(sax::Token(data, type), input.front());
+	}
+}
+
+} /* namespace alib */

alib2/src/ExceptionFromXMLParser.h

+/*
+ * ExceptionFromXMLParser.h
+ *
+ *  Created on: Nov 23, 2013
+ *      Author: Jan Travnicek
+ */
+
+#ifndef EXCEPTION_FROM_XML_PARSER_H_
+#define EXCEPTION_FROM_XML_PARSER_H_
+
+#include <list>
+#include "AlibException.h"
+#include "sax/Token.h"
+
+namespace alib {
+
+/**
+ * Parser used to get String from XML parsed into list of tokens.
+ */
+class ExceptionFromXMLParser {
+	bool isToken(std::list<sax::Token> &input, sax::Token::TokenType type, std::string data);
+	void popToken(std::list<sax::Token> &input, sax::Token::TokenType type, std::string data);
+
+public:
+	/**
+	 * Parses the XML and returns regular expression. The input is destroyed in the process.
+	 * @param input XML represented as list of tokens
+	 * @return AlibException
+	 * @throws ParserException when an error occurs
+	 */
+	AlibException parse(std::list<sax::Token>& input);
+
+};
+
+} /* namespace alib */
+
+#endif /* EXCEPTION_FROM_XML_PARSER_H_ */

alib2/src/ExceptionToXMLComposer.cpp

+/*
+ * ExceptionToXMLComposer.cpp
+ *
+ *  Created on: Nov 23, 2013
+ *      Author: Jan Travnicek
+ */
+
+#include "ExceptionToXMLComposer.h"
+
+namespace alib {
+
+void ExceptionToXMLComposer::Visit(std::list<sax::Token>& out, const AlibException& exception) {
+	out.push_back(sax::Token("exception", sax::Token::START_ELEMENT));
+	out.push_back(sax::Token(exception.getCause(), sax::Token::CHARACTER));
+	out.push_back(sax::Token("exception", sax::Token::END_ELEMENT));
+}
+
+std::list<sax::Token> ExceptionToXMLComposer::compose(const AlibException& exception) {
+	std::list<sax::Token> out;
+	Visit(out, exception);
+	return out;
+}
+
+} /* namespace alib */

alib2/src/ExceptionToXMLComposer.h

+/*
+ * ExceptionToXMLComposer.h
+ *
+ *  Created on: Nov 23, 2013
+ *      Author: Jan Travnciek
+ */
+
+#ifndef EXCEPTION_TO_XML_COMPOSER_H_
+#define EXCEPTION_TO_XML_COMPOSER_H_
+
+#include <list>
+#include "AlibException.h"
+#include "sax/Token.h"
+
+namespace alib {
+
+/**
+ * This class contains methods to print XML representation of string to the output stream.
+ */
+class ExceptionToXMLComposer {
+	static void Visit(std::list<sax::Token>&, const AlibException& exception);
+public:
+	/**
+	 * Prints XML representation of AlibException to the output stream.
+	 * @param string Exception to print
+	 * @param out output stream to which print the String
+	 */
+	std::list<sax::Token> compose(const AlibException& exception);
+};
+
+} /* namespace alib */
+
+#endif /* EXCEPTION_TO_XML_COMPOSER_H_ */