#include <string>
#include <map>
#include <strstream>
#include <iostream>

#include "preXmlInteger.hh"
#include "ExpatInterface/Element.h"

namespace preXml {

  void Integer::readFrom(const xml::Element & elt) {
    // Check we are reading the right kind of entity.
    assert(elt.getTagName() == string("integer"));
    
    // OK, we know the unit.  We can go on.  I want to check that
    // the CDATA of this integer does indeed represent an integer.
    istrstream dis(elt[string("value")].c_str());
    istrstream iis(elt[string("value")].c_str());
    double                       dFaceValue;
    preXml::Integer::IntegerType iFaceValue;
    dis >> dFaceValue;
    iis >> iFaceValue;
    // Here is the check itself.
    assert(  dFaceValue == ((double) iFaceValue)  );
    
    // It seems that we are ok!
    this->_value = iFaceValue;
  };
  
  void Integer::printMeNicelyTo(ostream & os) const {
    os << this->_value;
  };

} // end of preXml::Integer namespace