/data/refman/pasoursint/CMSSW_5_2_9/src/DetectorDescription/Parser/src/DDLSpecPar.cc

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/***************************************************************************
                          DDLSpecPar.cc  -  description
                             -------------------
    begin                : Tue Nov 21 2001
    email                : case@ucdhep.ucdavis.edu
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *           DDDParser sub-component of DDD                                *
 *                                                                         *
 ***************************************************************************/

#include "DetectorDescription/Parser/src/DDLSpecPar.h"

#include "DetectorDescription/Core/interface/DDName.h"
#include "DetectorDescription/Core/interface/DDSpecifics.h"
#include "DetectorDescription/Base/interface/DDdebug.h"
#include "DetectorDescription/Core/interface/DDValue.h"
#include "DetectorDescription/Core/interface/DDValuePair.h"

#include "DetectorDescription/ExprAlgo/interface/ExprEvalSingleton.h"

#include <sstream>

DDLSpecPar::DDLSpecPar( DDLElementRegistry* myreg )
  : DDXMLElement( myreg )
{}

DDLSpecPar::~DDLSpecPar( void )
{}

// Process a SpecPar element.  We have to assume that 
// certain things have happened.
void
DDLSpecPar::processElement( const std::string& name, const std::string& nmspace, DDCompactView& cpv )
{
  DCOUT_V('P',"DDLSpecPar::processElement started");

  // sends the call to the DDD Core OR does nothing if it is a sub-element

  // What I want to do here is the following:
  // 1.  output PartSelector information.
  // 2.  pass the Path and parameters to DDSpecifics
  // for each of the above, use the name of the SpecPar, since DDL does not
  // provide a name for a PartSelector.

  DDXMLElement* myParameter      = myRegistry_->getElement("Parameter");
  DDXMLElement* myNumeric        = myRegistry_->getElement("Numeric");
  DDXMLElement* myString         = myRegistry_->getElement("String");
  DDXMLElement* myPartSelector   = myRegistry_->getElement("PartSelector");
  DDXMLElement* mySpecParSection = myRegistry_->getElement("SpecParSection");

  // Because of namespace magic "!" means namespaces should be provided
  // in the names of the XML elements for the DDD.  So if this is
  // the state/case then we need to force the expression evaluator to 
  // use the namespace of the SpecPar element being processed.
  // --  Michael Case 2008-11-06
  std::string ns(nmspace);
  DDXMLAttribute spatts = getAttributeSet();
  std::string rn = spatts.find("name")->second;
  if ( ns == "!" ) {
    size_t foundColon= rn.find(':');
    if (foundColon != std::string::npos) {
      ns = rn.substr(0,foundColon);
      //       rn = rn.substr(foundColon+1);
    }
  }

  // DDPartSelector name comes from DDLSpecPar (this class, there is no analogue to 
  // DDLSpecPar in DDCore)
  std::vector <std::string> partsels;
  size_t i;

  //    if (getName("name") == "")
  //      {
  //        std::cout << "ERROR: no name for SpecPar" << std::endl;
  //        partsels = myPartSelector->getVectorAttribute("path");
  //        snames = myParameter->getVectorAttribute("name");
  //        std::cout << "\tParameter Names" << std::endl;
  //        size_t i;
  //        for (i = 0; i < snames.size(); ++i)
  //    {
  //      std::cout << "\t\t" << snames[i] << std::endl;
  //    }
  //        std::cout << "\tPart Selectors:" << std::endl;
  //        for (i = 0; i < partsels.size(); ++i)
  //    {
  //      std::cout << "\t\t" << partsels[i] << std::endl;
  //    }
  //      }
  //    else 
  //      {

  //should i keep this? partsels = myPartSelector->getVectorAttribute("path");
  //otherise I have to do this block...
  for (i = 0; i < myPartSelector->size(); ++i)
    partsels.push_back((myPartSelector->getAttributeSet(i).find("path"))->second);
  DDsvalues_type svt;

  // boolean flag to indicate whether the std::vector<DDValuePair> has been evaluated 
  // using the Evaluator
  typedef std::map<std::string, std::pair<bool,std::vector<DDValuePair> > > vvvpType;

  vvvpType vvvp;

  bool doNotEval = true;
  bool doRegex = true;
  {
    // check parent level  
    const DDXMLAttribute & atts = mySpecParSection->getAttributeSet();
    
    if (atts.find("eval") != atts.end() && atts.find("eval")->second == "true")
      doNotEval = false;
    
    if (atts.find("regex") != atts.end() && atts.find("regex")->second == "false")
      doRegex = false;
  }
  {
    // check this level
    const DDXMLAttribute & atts = getAttributeSet();
    
    if (atts.find("eval") != atts.end() && atts.find("eval")->second == "true")
      doNotEval = false;
    else if (atts.find("eval") != atts.end())
      doNotEval = true;
    
    if (atts.find("regex") != atts.end() && atts.find("regex")->second == "false")
      doRegex = false;
    else if (atts.find("regex") != atts.end())
      doRegex = true;
  }
  for (i = 0; i < myParameter->size(); ++i)
  {
    const DDXMLAttribute & atts = myParameter->getAttributeSet(i);
    std::vector <DDValuePair> vvp;
    vvvpType::iterator itv = vvvp.find((atts.find("name")->second));
    if (itv != vvvp.end())
      vvp = itv->second.second;
    double tval = 0.0;
    bool isEvaluated = false;

    // bool notThis =  doNotEval  myParameter->get(std::string("eval"), i) != "true";

    // since eval is an optional attribute, we need to check if it exists for
    // the debug statement.  Unfortunately, I see no way to do this internal
    // to the DCOUT_V statement... ts is a "wasted" variable.
    std::string ts = "** no eval attribute **";
    if (atts.find("eval") != atts.end()) 
      ts = atts.find("eval")->second;
    DCOUT_V('P', std::string("about to process ") << atts.find("value")->second << std::string(" eval = ") << ts);
    if ((atts.find("eval") != atts.end() && atts.find("eval")->second !="false")
        || (atts.find("eval") == atts.end() && !doNotEval))
    { 
      tval = ExprEvalSingleton::instance().eval(ns, atts.find("value")->second);
      isEvaluated=true;
      DCOUT_V('P', std::string("EVALUATED"));
    }
    else
    {
      DCOUT_V('P', std::string("NOT Evaluated"));
    }
      
    DDValuePair vp(atts.find("value")->second, tval);
    vvp.push_back(vp);
    vvvp[atts.find("name")->second] = make_pair(isEvaluated,vvp);
  }

  // Process the String names and values.
  for (i = 0; i < myString->size(); ++i)
  {
    const DDXMLAttribute & atts = myString->getAttributeSet(i);
    std::vector <DDValuePair> vvp;
    vvvpType::iterator itv = vvvp.find(atts.find("name")->second);
    if (itv != vvvp.end())
      vvp = itv->second.second;
    DCOUT_V('P', std::string("about to process String ") << (atts.find("name")->second) << " = " << (atts.find("value")->second));
    DDValuePair vp(atts.find("value")->second, 0.0);
    vvp.push_back(vp);
    vvvp[atts.find("name")->second] = make_pair(false,vvp);
  }
  
  // Process the Numeric names and values.
  for (i = 0; i < myNumeric->size(); ++i)
  {
    const DDXMLAttribute & atts = myNumeric->getAttributeSet(i);
    std::vector <DDValuePair> vvp;
    vvvpType::iterator itv = vvvp.find(atts.find("name")->second);
    if (itv != vvvp.end())
      vvp = itv->second.second;
    DCOUT_V('P', std::string("about to process String ") << (atts.find("name")->second) << " = " << (atts.find("value")->second));
    double tval = ExprEvalSingleton::instance().eval(ns, atts.find("value")->second);
    DCOUT_V('P', std::string("EVALUATED"));
    DDValuePair vp(atts.find("value")->second, tval);
    vvp.push_back(vp);
    vvvp[atts.find("name")->second] = make_pair(true,vvp);
  }
  
  svt.reserve(vvvp.size());
  for (vvvpType::const_iterator it = vvvp.begin(); it != vvvp.end(); ++it)
  {
    DDValue val(it->first, it->second.second);
    bool isEvaluated = it->second.first;
    val.setEvalState(isEvaluated);
    svt.push_back(DDsvalues_Content_type(val,val));      
  }
  std::sort(svt.begin(),svt.end());


  DCOUT_V('p', "DDLSpecPar::processElement\n\tname " << getDDName(nmspace) << "\n\tpartsels.size() = " << myPartSelector->size() << "\n\tsvt " << svt);

  DDSpecifics ds(getDDName(nmspace), 
                 partsels,
                 svt,
                 doRegex);

  myParameter->clear();
  myPartSelector->clear();
  
  // after a SpecPar is done, we can clear
  clear();
  
  DCOUT_V('P',"DDLSpecPar::processElement(...)");
}