DOMHelperFunctions.h

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#ifndef _CondTools_Ecal_XMLHelperFunctions_
#define _CondTools_Ecal_XMLHelperFunctions_


#include <xercesc/dom/DOMNode.hpp>
#include "DataFormats/DetId/interface/DetId.h"
#include <string>
#include "CondTools/Ecal/interface/EcalCondHeader.h"
#include "CondTools/Ecal/interface/XMLTags.h"
#include "Utilities/Xerces/interface/XercesStrUtils.h"
#include <xercesc/dom/DOM.hpp>
#include <sstream>



namespace xuti {

  const DetId readCellId(xercesc::DOMElement* node);

  xercesc::DOMElement*  writeCell(xercesc::DOMNode* node, const DetId& detid);
  
  xercesc::DOMNode * getChildNode(xercesc::DOMNode * node,  
                  const std::string& nodename );

  //  white spaces instead of the templatized GetNodeData
  void GetNodeStringData(xercesc::DOMNode* node, std::string& value);
  

  
  template <class T> void GetNodeData(xercesc::DOMNode* node, T& value)
    {
      std::string value_s = cms::xerces::toString(node->getTextContent());
      std::stringstream value_ss(value_s);
      value_ss>> value; 
    }
  

  template <class T> void WriteNodeWithValue(xercesc::DOMNode* parentNode,
                         const std::string& tag,
                         const T& value)
    {

      xercesc::DOMDocument * doc = parentNode->getOwnerDocument();
      xercesc::DOMElement* new_node = doc->createElement(cms::xerces::uStr(tag.c_str()).ptr());
      parentNode->appendChild(new_node);
      
      std::stringstream value_ss;
      value_ss <<value;
 
      xercesc::DOMText* tvalue = 
    doc->createTextNode(cms::xerces::uStr(value_ss.str().c_str()).ptr());
      new_node->appendChild(tvalue);
      
    }
 

  void writeHeader (xercesc::DOMNode* parentNode, 
            const EcalCondHeader& header );
  
  void readHeader(xercesc::DOMNode* parentNode, EcalCondHeader& header); 


  int readHeader(const std::string& filename, EcalCondHeader& header);
}


#endif