AColumn.cpp

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// ------------------------------------------------------------------------
// $RCSfile: AColumn.cpp,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: AColumn
//   Expression class. Generates a list of values from a TABLE() function.
//
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:33:41 $
// $Author: Andreas Adelmann $
//
// ------------------------------------------------------------------------
 
#include "Expressions/AColumn.h"
#include "AbstractObjects/PlaceRep.h"
#include "AbstractObjects/Table.h"
#include "Expressions/SCell.h"
#include <iostream>
#include <vector>
 
 
// Class AColumn
// ------------------------------------------------------------------------
 
namespace Expressions {
 
    AColumn::AColumn(const AColumn &rhs):
        OArray<double>(rhs), tab_name(rhs.tab_name),
        col_name(rhs.col_name), itsRange(rhs.itsRange)
    {}
 
 
    AColumn::AColumn
    (const std::string &tName, const std::string &cName, const RangeRep &rng):
        OArray<double>(), tab_name(tName), col_name(cName), itsRange(rng)
    {}
 
 
    AColumn::~AColumn()
    {}
 
 
    OArray<double> *AColumn::clone() const {
        return new AColumn(*this);
    }
 
 
    std::vector<double> AColumn::evaluate() const {
        Table *table = Table::find(tab_name);
        table->fill();
        return table->getColumn(itsRange, col_name);
    }
 
 
    void AColumn::print(std::ostream &os, int) const {
        os << "COLUMN(" << tab_name << ',' << col_name << ','
           << itsRange << ')';
    }
 
}