/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/CondTools/Ecal/src/EcalWeightSetXMLTranslator.cc

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#include <iostream>
#include <sstream>
#include <fstream>
#include <xercesc/dom/DOMNode.hpp>
#include <xercesc/dom/DOM.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/sax/SAXException.hpp>
#include <xercesc/framework/LocalFileFormatTarget.hpp>



#include "CondTools/Ecal/interface/EcalWeightSetXMLTranslator.h"
#include "CondTools/Ecal/interface/XMLTags.h"
#include "CondTools/Ecal/interface/DOMHelperFunctions.h"


using namespace XERCES_CPP_NAMESPACE;
using namespace xuti;
using namespace std;



int  EcalWeightSetXMLTranslator::readXML(const std::string& filename, 
                                         EcalCondHeader& header,
                                         EcalWeightSet& record){

  XMLPlatformUtils::Initialize();

  XercesDOMParser* parser = new XercesDOMParser;
  parser->setValidationScheme( XercesDOMParser::Val_Never );
  parser->setDoNamespaces( false );
  parser->setDoSchema( false );
  
  parser->parse(filename.c_str());

  DOMDocument* xmlDoc = parser->getDocument();
  if (!xmlDoc) {
    std::cout << "EcalWeightSetXMLTranslator::Error parsing document" << std::endl;
    return -1;
  }

  DOMElement* elementRoot = xmlDoc->getDocumentElement();

  xuti::readHeader(elementRoot, header);
  // get the first cell node
  DOMNode * wgtBSnode=getChildNode(elementRoot,wgtBeforeSwitch_tag);
  DOMNode * wgtASnode=getChildNode(elementRoot,wgtAfterSwitch_tag);
  DOMNode * wgtChi2BSnode=getChildNode(elementRoot,wgtChi2BeforeSwitch_tag);
  DOMNode * wgtChi2ASnode=getChildNode(elementRoot,wgtChi2AfterSwitch_tag);


  DOMNode* rownode = getChildNode(wgtBSnode,row_tag);  

  DOMElement* rowelement;

  // loop on row nodes
  while  (rownode){

    rowelement = dynamic_cast< xercesc::DOMElement* >(rownode);

    std::string rowid_s = toNative(rowelement->getAttribute(fromNative(id_tag).c_str()));

    std::stringstream rowid_ss(rowid_s);
    int rowid = 0;
    rowid_ss >> rowid;

    std::string weightrow = toNative(rownode->getTextContent());

    std::stringstream weightrow_s(weightrow);
    double weight = 0;
    int i = 0;
    while(weightrow_s >> weight)
      {
        record.getWeightsBeforeGainSwitch()(i,rowid)= weight; 
        i++;
      }

    
    // get next cell
    rownode = rownode->getNextSibling();
    
    while (rownode && rownode->getNodeType( ) != DOMNode::ELEMENT_NODE)      
      rownode = rownode->getNextSibling();
    
  
  }

  rownode = getChildNode(wgtASnode,row_tag);  

  // loop on row nodes
  while  (rownode){

    rowelement = dynamic_cast< xercesc::DOMElement* >(rownode);

    std::string rowid_s = toNative(rowelement->getAttribute(fromNative(id_tag).c_str()));

    std::stringstream rowid_ss(rowid_s);
    int rowid = 0;
    rowid_ss >> rowid;

    std::string weightrow = toNative(rownode->getTextContent());

    std::stringstream weightrow_s(weightrow);
    double weight = 0;
    int i = 0;
    while(weightrow_s >> weight)
      {
        record.getWeightsAfterGainSwitch()(i,rowid)= weight; 
        i++;
      }
    
    
    // get next cell
    rownode = rownode->getNextSibling();
    
    while (rownode && rownode->getNodeType( ) != DOMNode::ELEMENT_NODE)      
      rownode = rownode->getNextSibling();
    
    
  }
  
  rownode = getChildNode(wgtChi2BSnode,row_tag);  


  // loop on row nodes
  while  (rownode){

    rowelement = dynamic_cast< xercesc::DOMElement* >(rownode);
    std::string rowid_s = toNative(rowelement->getAttribute(fromNative(id_tag).c_str()));

    std::stringstream rowid_ss(rowid_s);
    int rowid = 0;
    rowid_ss >> rowid;

    std::string weightrow = toNative(rownode->getTextContent());

    std::stringstream weightrow_s(weightrow);
    double weight = 0;
    int i = 0;
    while(weightrow_s >> weight)
      {
        record.getChi2WeightsBeforeGainSwitch()(i,rowid)= weight; 
        i++;
      }
    
    
    // get next cell
    rownode = rownode->getNextSibling();
    
    while (rownode && rownode->getNodeType( ) != DOMNode::ELEMENT_NODE)      
      rownode = rownode->getNextSibling();
    
    
  }


  rownode = getChildNode(wgtChi2ASnode,row_tag);  


  // loop on row nodes
  while  (rownode){

    rowelement = dynamic_cast< xercesc::DOMElement* >(rownode);  
    std::string rowid_s = toNative(rowelement->getAttribute(fromNative(id_tag).c_str()));

    std::stringstream rowid_ss(rowid_s);
    int rowid = 0;
    rowid_ss >> rowid;

    std::string weightrow = toNative(rownode->getTextContent());

    std::stringstream weightrow_s(weightrow);
    double weight = 0;
    int i = 0;
    while(weightrow_s >> weight)
      {
        record.getChi2WeightsAfterGainSwitch()(i,rowid)= weight; 
        i++;
      }
    
    
    // get next cell
    rownode = rownode->getNextSibling();
    
    while (rownode && rownode->getNodeType( ) != DOMNode::ELEMENT_NODE)      
      rownode = rownode->getNextSibling();
    
    
  }

  delete parser;
  XMLPlatformUtils::Terminate();
  return 0;
    
}





int EcalWeightSetXMLTranslator::writeXML(const std::string& filename,
                                         const EcalCondHeader& header, 
                                         const EcalWeightSet& record){
    
  std::fstream fs(filename.c_str(),ios::out);
  fs<< dumpXML(header,record);
  return 0;  

}




void EcalWeightSetXMLTranslator::write10x10(xercesc::DOMElement* node,
                                            const EcalWeightSet& record){

  DOMElement* row[10];
  DOMAttr* rowid[10];
  DOMText* rowvalue[10];
  EcalWeightSet::EcalChi2WeightMatrix echi2wmatrix;


  if(toNative(node->getNodeName()) == wgtChi2BeforeSwitch_tag)
    {
      echi2wmatrix = record.getChi2WeightsBeforeGainSwitch();

    }
  if(toNative(node->getNodeName()) == wgtChi2AfterSwitch_tag)
    {
      echi2wmatrix = record.getChi2WeightsAfterGainSwitch();

    }

  for(int i=0;i<10;++i)
    {


      row[i] = node->getOwnerDocument()->createElement(fromNative(row_tag).c_str());
      node->appendChild(row[i]);

      stringstream value_s;
      value_s << i; 

      rowid[i] = node->getOwnerDocument()->createAttribute(fromNative(id_tag).c_str());
      rowid[i]->setValue(fromNative(value_s.str()).c_str());
      row[i]->setAttributeNode(rowid[i]);

      stringstream row_s;

      for(int k=0;k<10;++k)
        {
          row_s << " ";
          row_s << echi2wmatrix(k,i);
          row_s << " ";
        }//for loop on element


      rowvalue[i] = node->getOwnerDocument()->createTextNode(fromNative(row_s.str()).c_str());
      row[i]->appendChild(rowvalue[i]);
    }//for loop on row
}



void EcalWeightSetXMLTranslator::write3x10(xercesc::DOMElement* node,
                                           const EcalWeightSet& record){

  DOMElement* row[10];
  DOMAttr* rowid[10];
  DOMText* rowvalue[10];
  EcalWeightSet::EcalWeightMatrix ewmatrix;


  if(toNative(node->getNodeName()) == wgtBeforeSwitch_tag)
    ewmatrix = record.getWeightsBeforeGainSwitch();
  
  if(toNative(node->getNodeName()) == wgtAfterSwitch_tag)
    ewmatrix = record.getWeightsAfterGainSwitch();
  
  
  for(int i=0;i<10;++i)
    {

      row[i] = node->getOwnerDocument()->createElement(fromNative(row_tag).c_str());
      node->appendChild(row[i]);

      stringstream value_s;
      value_s << i; 

      rowid[i] = node->getOwnerDocument()->createAttribute(fromNative(id_tag).c_str());

      rowid[i]->setValue(fromNative(value_s.str()).c_str());

      row[i]->setAttributeNode(rowid[i]);


      stringstream row_s;

      for(int k=0;k<3;++k)
        {
          row_s << " ";
          row_s << ewmatrix(k,i);
          row_s << " ";
        }//for loop on element


      rowvalue[i] = node->getOwnerDocument()->createTextNode(fromNative(row_s.str()).c_str());
      row[i]->appendChild(rowvalue[i]);
    }//for loop on row
}


std::string EcalWeightSetXMLTranslator::dumpXML(const EcalCondHeader& header,
                                                const EcalWeightSet&  record){

  
  XMLPlatformUtils::Initialize();
  
  DOMImplementation*  impl =
    DOMImplementationRegistry::getDOMImplementation(fromNative("LS").c_str());
  
  DOMWriter* writer =static_cast<DOMImplementationLS*>(impl)->createDOMWriter( );
  writer->setFeature(XMLUni::fgDOMWRTFormatPrettyPrint, true);
  
  DOMDocumentType* doctype = impl->createDocumentType( fromNative("XML").c_str(), 0, 0 );
  DOMDocument *    doc = 
    impl->createDocument( 0,fromNative(EcalWeightSet_tag).c_str(), doctype );
  
  
  doc->setEncoding(fromNative("UTF-8").c_str() );
  doc->setStandalone(true);
  doc->setVersion(fromNative("1.0").c_str() );
  
  DOMElement* root = doc->getDocumentElement();

  xuti::writeHeader(root, header);

  DOMElement* wgtBS = doc->createElement(fromNative(wgtBeforeSwitch_tag).c_str());
  root->appendChild(wgtBS);
  
  DOMElement* wgtAS = doc->createElement(fromNative(wgtAfterSwitch_tag).c_str());
  root->appendChild(wgtAS);
  
  DOMElement* wgtChi2BS = doc->createElement(fromNative(wgtChi2BeforeSwitch_tag).c_str());
  root->appendChild(wgtChi2BS);
  
  DOMElement* wgtChi2AS = doc->createElement(fromNative(wgtChi2AfterSwitch_tag).c_str());
  root->appendChild(wgtChi2AS);
  
  write3x10(wgtBS,record);
  write3x10(wgtAS,record);
  
  write10x10(wgtChi2BS,record);
  write10x10(wgtChi2AS,record);
  
  std::string dump= toNative(writer->writeToString(*root)); 
  doc->release(); 
  
  return dump;  


}