PlaceRep.cpp

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// ------------------------------------------------------------------------
// $RCSfile: PlaceRep.cpp,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: PlaceRep
//   A class used to represent a place specification.
//
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:33:34 $
// $Author: Andreas Adelmann $
//
// ------------------------------------------------------------------------

#include "AbstractObjects/PlaceRep.h"
#include "AbstractObjects/Element.h"
#include "AbstractObjects/OpalData.h"
#include "Beamlines/FlaggedElmPtr.h"
#include "Utilities/OpalException.h"


// Class PlaceRep
// ------------------------------------------------------------------------

PlaceRep::PlaceRep():
    data(), is_selected(false) {
    initialize();
}


PlaceRep::PlaceRep(const PlaceRep &rhs):
    data(rhs.data), is_selected(rhs.is_selected) {
    initialize();
}


PlaceRep::PlaceRep(const std::string &def):
    data(), is_selected(def == "SELECTED") {
    append(def, 1);
    initialize();
}


PlaceRep::~PlaceRep()
{}


const PlaceRep &PlaceRep::operator=(const PlaceRep &rhs) {
    data = rhs.data;
    initialize();
    return *this;
}


void PlaceRep::append(const std::string &name, int occur) {
    data.push_back(std::make_pair(name, occur));
}


void PlaceRep::initialize() {
    status = false;
    seen = 0;
}


void PlaceRep::enter(const FlaggedElmPtr &fep) const {
    const std::string &name = fep.getElement()->getName();
    const int occur = fep.getCounter();

    if(seen < data.size()  &&
       name == data[seen].first  &&
       occur == data[seen].second) {
        ++seen;
    }

    if(seen == data.size()) status = true;
}


void PlaceRep::leave(const FlaggedElmPtr &fep) const {
    const std::string &name = fep.getElement()->getName();
    const int occur = fep.getCounter();

    if(seen > 0  &&
       name == data[seen-1].first  &&
       occur == data[seen-1].second) {
        --seen;
    }

    if(seen < data.size()) status = false;
}


bool PlaceRep::isActive() const {
    return status;
}


bool PlaceRep::isSelected() const {
    return is_selected;
}


void PlaceRep::print(std::ostream &os) const {
    if(data.empty()) {
        os << "#S";
    } else {
        os << data[0].first;
        if(data[0].second > 0) os << '[' << data[0].second << ']';

        for(Data::size_type i = 1; i < data.size(); ++i) {
            os << "::" << data[i].first;
            if(data[i].second) os << '[' << data[i].second << ']';
        }
    }

    return;
}