formulaerror.java

类似于Windows上的Excel

/*
 * MC2 -- j2me spreadsheet
 *
 * Copyright (c) 2004-2006 Michael Zemljanukha ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

package com.wapindustrial.calc;


public class FormulaError extends LispObject {
    
    public static final int ERROR_GENERAL = 0;
    public static final int ERROR_REFERENCE = 1;
    public static final int ERROR_INPUTFORM = 2;
    public static final int ERROR_SERVER = 3;
    
    public static final FormulaError ERROR = new FormulaError(ERROR_GENERAL);
    public static final FormulaError REF_ERROR = new FormulaError(ERROR_REFERENCE);
    
    final short number;
    final String message;

    FormulaError( int _number ) {
        number = (short)_number;
        message = null;
    }

    FormulaError( int _number, String message ) {
        number = (short)_number;
        this.message = message;
    }

    FunctorList toList() {
        NameObjectBase ff = Bfunc.BFUNC.table[Bfunc.INDEX_ERROR];
        ShortAtom sa = new ShortAtom( number );
        if( message == null )
            return new FunctorList1(ff, sa);
        return new FunctorList2(ff, sa, new StringAtom( message ));
    }
    
    public void toValueBuffer( StringBuffer sb, int format ) {
        sb.append( "#ERR(" );
        sb.append( number );
        sb.append( ')' );
    }

    public int typeNumber() {
        return TYPE_ERROR;
    }

}