/*
 * XMLWriter.hh
 *
 *  Created on: 7 août 2013
 *      Author: CS
 */

#ifndef XMLWRITER_HH_
#define XMLWRITER_HH_

#include "AbstractWriter.hh"
#include <libxml/xmlwriter.h>

namespace TimeTableCatalog {

class XMLWriter: public TimeTableCatalog::AbstractWriter {
public:
	XMLWriter(const std::string& pPath, const std::string& pName = NULL);
	virtual ~XMLWriter();

	/**
	 * Writes TimeTable into an InternalXML formated file.
	 */
	std::string write(const TimeTable& pTT, const char* pEncoding);

protected:
	/**
	 * Writes <?xml introduction line.
	 */
	void writeHeader(const TimeTable& pTT, xmlTextWriterPtr& pWriter, const char* pEncoding);

	/**
	 * Writes XML content (except header).
	 */
	virtual void writeContent(const TimeTable& pTT,
			xmlTextWriterPtr& pWriter) = 0;

	/**
	 * Writes a simple element as <starttag>value<endtag>.
	 */
	void writeElement(const TimeTable& pTT, xmlTextWriterPtr& pWriter, std::string pTag,
			const std::string &pValue, const char* pEncoding = "UTF-8");

	/**
	 * Writes a start tag.
	 */
	void openTag(const TimeTable& pTT, xmlTextWriterPtr& pWriter, std::string pTag);

	/**
	 * Adds an attribute to the current tag.
	 */
	void addAttribute(const TimeTable& pTT, xmlTextWriterPtr& pWriter, std::string pTag,
			const std::string &pValue, const char* pEncoding = "UTF-8");

	/**
	 * Writes a stop tag.
	 */
	void closeTag(const TimeTable& pTT, xmlTextWriterPtr& pWriter, std::string pTag);

	/**
	 * Converts, just in case, input into UTF-8.
	 */
	xmlChar * convertInput(const TimeTable& pTT, const char* pIn, const char* pEncoding);

	void logEndTagError(const std::string& ptag, const std::string& pTTPath);
	void logStartTagError(const std::string& ptag, const std::string& pTTPath);
	void logTagError(const std::string& ptag, const std::string& pTTPath);
	void logAttributeError(const std::string& pAttribute,
			const std::string& pTTPath);
};

} /* namespace TimeTableCatalog */
#endif /* XMLWRITER_HH_ */