EditCycle.cpp

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// ------------------------------------------------------------------------
// $RCSfile: EditCycle.cpp,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: EditCycle
//   The class for the OPAL sequence editor CYCLE command.
//
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:33:38 $
// $Author: Andreas Adelmann $
//
// ------------------------------------------------------------------------

#include "Editor/EditCycle.h"
#include "AbstractObjects/PlaceRep.h"
#include "Attributes/Attributes.h"
#include "Editor/Edit.h"
#include "Utilities/OpalException.h"
#include "Utilities/Options.h"
#include <iostream>


// Class EditCycle
// ------------------------------------------------------------------------


EditCycle::EditCycle():
    Editor(1, "CYCLE",
           "The \"CYCLE\" sub-command changes the starting point "
           "by cyclic interchange.") {
    itsAttr[0] = Attributes::makePlace
                 ("START", "The new start position for the sequence");

    registerOwnership(AttributeHandler::SUB_COMMAND);
}


EditCycle::EditCycle(const std::string &name, EditCycle *parent):
    Editor(name, parent)
{}


EditCycle::~EditCycle()
{}


EditCycle *EditCycle::clone(const std::string &name) {
    return new EditCycle(name, this);
}


void EditCycle::execute() {
    const PlaceRep start = Attributes::getPlace(itsAttr[0]);

    if(Edit::block->cycle(start)) {
        if(Options::info) {
            std::cerr << "\nStart position changed to \"" << itsAttr[0] << "\".\n"
                      << std::endl;
        }
    } else {
        throw OpalException("EditCycle::execute()", "Could not find place \"" +
                            itsAttr[0].getImage() + "\" in top-level sequence.");
    }
}