binaryoperator.java

实现JAVA界面的代码GWT

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   BinaryOperator.java

package jxl.biff.formula;

import java.util.Stack;

// Referenced classes of package jxl.biff.formula:
//            Operator, ParseItem, ParsedThing, Token

abstract class BinaryOperator extends Operator
    implements ParsedThing
{

    public BinaryOperator()
    {
    }

    public int read(byte data[], int pos)
    {
        return 0;
    }

    public void getOperands(Stack s)
    {
        ParseItem o1 = (ParseItem)s.pop();
        ParseItem o2 = (ParseItem)s.pop();
        add(o1);
        add(o2);
    }

    public void getString(StringBuffer buf)
    {
        ParseItem operands[] = getOperands();
        operands[1].getString(buf);
        buf.append(getSymbol());
        operands[0].getString(buf);
    }

    public void adjustRelativeCellReferences(int colAdjust, int rowAdjust)
    {
        ParseItem operands[] = getOperands();
        operands[1].adjustRelativeCellReferences(colAdjust, rowAdjust);
        operands[0].adjustRelativeCellReferences(colAdjust, rowAdjust);
    }

    void columnInserted(int sheetIndex, int col, boolean currentSheet)
    {
        ParseItem operands[] = getOperands();
        operands[1].columnInserted(sheetIndex, col, currentSheet);
        operands[0].columnInserted(sheetIndex, col, currentSheet);
    }

    void columnRemoved(int sheetIndex, int col, boolean currentSheet)
    {
        ParseItem operands[] = getOperands();
        operands[1].columnRemoved(sheetIndex, col, currentSheet);
        operands[0].columnRemoved(sheetIndex, col, currentSheet);
    }

    void rowInserted(int sheetIndex, int row, boolean currentSheet)
    {
        ParseItem operands[] = getOperands();
        operands[1].rowInserted(sheetIndex, row, currentSheet);
        operands[0].rowInserted(sheetIndex, row, currentSheet);
    }

    void rowRemoved(int sheetIndex, int row, boolean currentSheet)
    {
        ParseItem operands[] = getOperands();
        operands[1].rowRemoved(sheetIndex, row, currentSheet);
        operands[0].rowRemoved(sheetIndex, row, currentSheet);
    }

    byte[] getBytes()
    {
        ParseItem operands[] = getOperands();
        byte data[] = new byte[0];
        for(int i = operands.length - 1; i >= 0; i--)
        {
            byte opdata[] = operands[i].getBytes();
            byte newdata[] = new byte[data.length + opdata.length];
            System.arraycopy(data, 0, newdata, 0, data.length);
            System.arraycopy(opdata, 0, newdata, data.length, opdata.length);
            data = newdata;
        }

        byte newdata[] = new byte[data.length + 1];
        System.arraycopy(data, 0, newdata, 0, data.length);
        newdata[data.length] = getToken().getCode();
        return newdata;
    }

    abstract String getSymbol();

    abstract Token getToken();
}