/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/CalibCalorimetry/CaloMiscalibTools/src/MiscalibReaderXML.cc

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#include "CalibCalorimetry/CaloMiscalibTools/interface/MiscalibReaderFromXML.h"
#include "CalibCalorimetry/CaloMiscalibTools/interface/MiscalibReaderFromXMLDomUtils.h"
#include "CalibCalorimetry/CaloMiscalibTools/interface/CaloMiscalibMap.h"
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <vector>

using namespace xercesc;

int MiscalibReaderFromXML::s_numberOfInstances = 0; //to check that there is only 1 instance

inline std::string _toString(const XMLCh *toTranscode){
        std::string tmp(XMLString::transcode(toTranscode));
        return tmp;
}

inline XMLCh*  _toDOMS( std::string temp ){
        XMLCh* buff = XMLString::transcode(temp.c_str());    
        return  buff;
}



MiscalibReaderFromXML::MiscalibReaderFromXML(CaloMiscalibMap & caloMap):caloMap_(caloMap){
      
             
        try { 
                //std::cout << "Xerces-c initialization Number "
                //<< s_numberOfInstances<<std::endl;
                if (s_numberOfInstances==0) 
                XMLPlatformUtils::Initialize();  
        }
        catch (const XMLException& e) {
                std::cout << "Xerces-c error in initialization \n"
                << "Exception message is:  \n"
                << _toString(e.getMessage()) <<std::endl;
                // throw an exception here
        }
 
        ++s_numberOfInstances;
        
        
        
        
}


int MiscalibReaderFromXML::getIntAttribute(DOMNamedNodeMap * attribute, const std::string & attribute_name)
{
bool well_formed_string;
int retval = MiscalibReaderFromXMLDomUtils::getIntAttribute(attribute,attribute_name,well_formed_string);
if(!well_formed_string) std::cout << "MiscalibReaderFromXML::getIntAttribute PROBLEMS ...!!!" << std::endl;

  return retval;
}


double MiscalibReaderFromXML::getScalingFactor(XERCES_CPP_NAMESPACE::DOMNamedNodeMap *attribute)
{
return MiscalibReaderFromXML::getFloatAttribute(attribute,"scale_factor");
}


double MiscalibReaderFromXML::getFloatAttribute(DOMNamedNodeMap * attribute, const std::string & attribute_name)
{
bool well_formed_string;
double retval = MiscalibReaderFromXMLDomUtils::getFloatAttribute(attribute,attribute_name,well_formed_string);
if(!well_formed_string) std::cout << "MiscalibReaderFromXML::getFloatAttribute PROBLEMS ...!!!" << std::endl;
  
  return retval;
}


bool MiscalibReaderFromXML::parseXMLMiscalibFile(std::string configFile){

        XercesDOMParser* parser = new XercesDOMParser;     
        parser->setValidationScheme(XercesDOMParser::Val_Auto);
        parser->setDoNamespaces(false);
        parser->parse(configFile.c_str()); 
        DOMDocument* doc = parser->getDocument();
        assert(doc);

        unsigned int linkTagsNum = doc->getElementsByTagName(_toDOMS("Cell"))->getLength();
        // The following should be on LogInfo
        //std::cout << "Read number of Cells = " << linkTagsNum << std::endl;

        if(linkTagsNum==0) std::cout <<"Number of Cells in file is 0 - probably bad file format"<<std::endl;

        int count=0;    
        for (unsigned int i=0; i<linkTagsNum; i++){
                        
                
                DOMNode* linkNode = doc->getElementsByTagName(_toDOMS("Cell"))->item(i);
                if (! linkNode){
                        std::cout<<"Node LINK does not exist, i="<<i<<std::endl;
                        return true;
                }
                DOMElement* linkElement = static_cast<DOMElement *>(linkNode);          
                if (! linkElement){
                        std::cout<<"Element LINK does not exist, i="<<i<<std::endl;
                        return true;             
                }


                DOMNamedNodeMap *attributes = linkNode->getAttributes();
                double scalingfactor= getScalingFactor(attributes);
                
                
                
                DetId cell = parseCellEntry(attributes);
                
                if(cell!= DetId(0)) 
                { 
                count++;
                caloMap_.addCell(cell,scalingfactor);
                } else  
                {
                  //            std::cout << "Null received" << std::endl;
                }
                
        }
 
        // The following should be on LogInfo
        // std::cout << "Number of good Cells = " << count << std::endl;
        return false;

}