89 lines
3.1 KiB
Java
89 lines
3.1 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. 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.ss.formula;
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import org.apache.poi.hssf.record.formula.AreaI;
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import org.apache.poi.hssf.record.formula.Ref3DPtg;
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import org.apache.poi.hssf.record.formula.RefPtg;
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import org.apache.poi.hssf.record.formula.AreaI.OffsetArea;
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import org.apache.poi.hssf.record.formula.eval.AreaEval;
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import org.apache.poi.hssf.record.formula.eval.BlankEval;
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import org.apache.poi.hssf.record.formula.eval.RefEvalBase;
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import org.apache.poi.hssf.record.formula.eval.ValueEval;
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import org.apache.poi.hssf.usermodel.HSSFCell;
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import org.apache.poi.hssf.usermodel.HSSFRow;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.util.CellReference;
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/**
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*
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* @author Josh Micich
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*/
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final class LazyRefEval extends RefEvalBase {
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private final HSSFSheet _sheet;
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private final CellEvaluator _evaluator;
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public LazyRefEval(RefPtg ptg, HSSFSheet sheet, CellEvaluator evaluator) {
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super(ptg.getRow(), ptg.getColumn());
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_sheet = sheet;
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_evaluator = evaluator;
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}
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public LazyRefEval(Ref3DPtg ptg, HSSFSheet sheet, CellEvaluator evaluator) {
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super(ptg.getRow(), ptg.getColumn());
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_sheet = sheet;
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_evaluator = evaluator;
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}
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public ValueEval getInnerValueEval() {
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int rowIx = getRow();
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int colIx = getColumn();
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HSSFRow row = _sheet.getRow(rowIx);
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if (row == null) {
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return BlankEval.INSTANCE;
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}
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HSSFCell cell = row.getCell(colIx);
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if (cell == null) {
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return BlankEval.INSTANCE;
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}
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return _evaluator.getEvalForCell(cell);
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}
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public AreaEval offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx) {
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AreaI area = new OffsetArea(getRow(), getColumn(),
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relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
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return new LazyAreaEval(area, _sheet, _evaluator);
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}
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public String toString() {
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CellReference cr = new CellReference(getRow(), getColumn());
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StringBuffer sb = new StringBuffer();
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sb.append(getClass().getName()).append("[");
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String sheetName = _evaluator.getSheetName(_sheet);
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sb.append(sheetName);
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sb.append('!');
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sb.append(cr.formatAsString());
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sb.append("]");
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return sb.toString();
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}
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}
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