XMLParser.h

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// Copyright CERN 2012 - Developed in collaboration with GSI

#ifndef _XMLPARSER_HPP_
#define _XMLPARSER_HPP_

#include <string>
#include <vector>
#include <iostream>
#include <unistd.h>

#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include <libxml/encoding.h>
#include <libxml/xmlwriter.h>

#include <fesa-core/Exception/FesaException.h>

#define MY_ENCODING "UTF-8"

namespace fesa
{

class AttributeXML
{
  public:

    std::string name_;

    std::string value_;
};

class ElementXML
{
  public:

    std::string name_;

    std::string value_;

    std::vector<AttributeXML*> attributeList_;

    std::vector<ElementXML*> childList_;

    ~ElementXML();
};

class XMLParser
{
  public:

    XMLParser(const std::string& fileName, bool validateFile);

    virtual ~XMLParser();

    virtual void createFile();

    virtual void startDocument();

    virtual void endDocument();

    virtual void startElement(const std::string element);

    virtual void writeElement(const std::string element, const std::string elementValue);

    virtual void endElement();

    virtual void writeString(const std::string text);

    virtual void writeNewline();

    virtual void writeAttribute(const std::string attributeName, const std::string attributeValue);

    virtual std::vector<ElementXML*>* extractElementsFromXPath(const std::string& xpathExpr);

    virtual std::vector<ElementXML*>* extractElements(const std::string& elementName);

    virtual AttributeXML* extractAttribute(const std::string& elementName, const std::string& attributeName);

  private:

    void fillElement(xmlNodePtr node, ElementXML* pElement);

    void trimCarrierReturn(std::string& s);

    xmlChar* ConvertInput(const char *in, const char *encoding);

    xmlTextWriterPtr writer_;

    std::string fileName_;
};

} // fesa

#endif // XML_PARSER_H_