errorformularecord.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:   ErrorFormulaRecord.java

package jxl.read.biff;

import common.Assert;
import jxl.*;
import jxl.biff.*;
import jxl.biff.formula.*;

// Referenced classes of package jxl.read.biff:
//            CellValue, Record, SheetImpl, BOFRecord, 
//            WorkbookParser

class ErrorFormulaRecord extends CellValue
    implements ErrorCell, FormulaData, ErrorFormulaCell
{

    private int errorCode;
    private ExternalSheet externalSheet;
    private WorkbookMethods nameTable;
    private String formulaString;
    private byte data[];
    private FormulaErrorCode error;

    public ErrorFormulaRecord(Record t, FormattingRecords fr, ExternalSheet es, WorkbookMethods nt, SheetImpl si)
    {
        super(t, fr, si);
        externalSheet = es;
        nameTable = nt;
        data = getRecord().getData();
        Assert.verify(data[6] == 2);
        errorCode = data[8];
    }

    public int getErrorCode()
    {
        return errorCode;
    }

    public String getContents()
    {
        if(error == null)
            error = FormulaErrorCode.getErrorCode(errorCode);
        return error == FormulaErrorCode.UNKNOWN ? "ERROR " + errorCode : error.getDescription();
    }

    public CellType getType()
    {
        return CellType.FORMULA_ERROR;
    }

    public byte[] getFormulaData()
        throws FormulaException
    {
        if(!getSheet().getWorkbookBof().isBiff8())
        {
            throw new FormulaException(FormulaException.BIFF8_SUPPORTED);
        } else
        {
            byte d[] = new byte[data.length - 6];
            System.arraycopy(data, 6, d, 0, data.length - 6);
            return d;
        }
    }

    public String getFormula()
        throws FormulaException
    {
        if(formulaString == null)
        {
            byte tokens[] = new byte[data.length - 22];
            System.arraycopy(data, 22, tokens, 0, tokens.length);
            FormulaParser fp = new FormulaParser(tokens, this, externalSheet, nameTable, getSheet().getWorkbook().getSettings());
            fp.parse();
            formulaString = fp.getFormula();
        }
        return formulaString;
    }
}