66 lines
2.3 KiB
Java
66 lines
2.3 KiB
Java
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/* ====================================================================
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Copyright 2002-2004 Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.util;
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import org.apache.poi.hssf.record.RecordInputStream;
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import org.apache.poi.ss.util.CellRangeAddressBase;
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import org.apache.poi.util.LittleEndian;
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/**
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* See OOO documentation: excelfileformat.pdf sec 2.5.14 - 'Cell Range Address'<p/>
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*
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* Like {@link CellRangeAddress} except column fields are 8-bit.
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*
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* @author Josh Micich
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*/
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public final class CellRangeAddress8Bit extends CellRangeAddressBase {
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public static final int ENCODED_SIZE = 6;
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public CellRangeAddress8Bit(int firstRow, int lastRow, int firstCol, int lastCol) {
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super(firstRow, lastRow, firstCol, lastCol);
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}
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public CellRangeAddress8Bit(RecordInputStream in) {
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super(readUShortAndCheck(in), in.readUShort(), in.readUByte(), in.readUByte());
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}
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private static int readUShortAndCheck(RecordInputStream in) {
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if (in.remaining() < ENCODED_SIZE) {
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// Ran out of data
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throw new RuntimeException("Ran out of data reading CellRangeAddress");
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}
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return in.readUShort();
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}
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public int serialize(int offset, byte[] data) {
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LittleEndian.putUShort(data, offset + 0, getFirstRow());
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LittleEndian.putUShort(data, offset + 2, getLastRow());
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LittleEndian.putByte(data, offset + 4, getFirstColumn());
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LittleEndian.putByte(data, offset + 5, getLastColumn());
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return ENCODED_SIZE;
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}
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public CellRangeAddress8Bit copy() {
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return new CellRangeAddress8Bit(getFirstRow(), getLastRow(), getFirstColumn(), getLastColumn());
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}
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public static int getEncodedSize(int numberOfItems) {
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return numberOfItems * ENCODED_SIZE;
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}
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}
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