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PartialTuple.h

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// $Header: /nfs/slac/g/glast/ground/cvs/reconstruction/reconstruction/PartialTuple.h,v 1.1.1.1 1999/12/28 01:36:02 burnett Exp $
// header file for PartialTuple class.
// written by T.H. Burnett
// moved to PartialTuple.h 6.25.98 by HSG

#ifndef PARTIALTUPLE_H_
#define PARTIALTUPLE_H_

#include "reconstruction/GlastTuple.h"
#include <set>
#include <iomanip>

// note: does not dereference the namespace - should compile on gcc


//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class PartialTuple : public GlastTuple {
public:
    PartialTuple(const std::string& item_list)
    {

        if( item_list.empty() ) return;
        size_type i=0;
        
        // tokenize the list here
        while( 1 ){
            std::string::size_type j 
                  = item_list.substr(i).find_first_not_of("\n\t ");
            if( j==std::string::npos) break;
            i += j;
            std::string::size_type len 
                  = item_list.substr(i).find_first_of("\n\t ");

            std::string n = item_list.substr(i,len);
            if(!n.empty() )  m_item_names.insert(n);
            if (len == std::string::npos ) break;
            i += len;
        }
    }
   void addItem (const char* name, const float* datum)
   {
        if( m_item_names.empty() 
            ||  m_item_names.find(std::string(name)) != m_item_names.end() ) 
            GlastTuple::addItem(name, datum);
   }
   void printOn(std::ostream& out)const
   {
        out  << "======================================\n"
             << (m_item_names.empty()? 
                    "     Standard Tuple\n"
                   :"       User Tuple\n")
             << "======================================\n" ;

        for(const_iterator it = begin(); it != end(); ++it) {
            float d = **it;
             out << std::setw(24) 
                << (*it)->name().c_str() << '\t'
                << d << '\n'; 
        }
   }
private:
   std::set<std::string> m_item_names;
};

#endif

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