67 lines
2.4 KiB
Java
67 lines
2.4 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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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/*
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* Created on May 14, 2005
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*
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*/
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package org.apache.poi.hssf.record.formula.eval;
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/**
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* @author Amol S. Deshmukh < amolweb at ya hoo dot com >
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*
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*/
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public abstract class NumericOperationEval implements OperationEval {
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protected abstract ValueEvalToNumericXlator getXlator();
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protected ValueEval singleOperandEvaluate(Eval eval, int srcRow, short srcCol) {
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ValueEval retval;
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if (eval instanceof AreaEval) {
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AreaEval ae = (AreaEval) eval;
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if (ae.contains(srcRow, srcCol)) { // circular ref!
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retval = ErrorEval.CIRCULAR_REF_ERROR;
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}
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else if (ae.isRow()) {
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if (ae.containsColumn(srcCol)) {
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ValueEval ve = ae.getValueAt(ae.getFirstRow(), srcCol);
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ve = getXlator().attemptXlateToNumeric(ve);
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retval = getXlator().attemptXlateToNumeric(ve);
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}
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else {
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retval = ErrorEval.VALUE_INVALID;
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}
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}
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else if (ae.isColumn()) {
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if (ae.containsRow(srcRow)) {
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ValueEval ve = ae.getValueAt(srcRow, ae.getFirstColumn());
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retval = getXlator().attemptXlateToNumeric(ve);
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}
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else {
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retval = ErrorEval.VALUE_INVALID;
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}
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}
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else {
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retval = ErrorEval.VALUE_INVALID;
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}
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}
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else {
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retval = getXlator().attemptXlateToNumeric((ValueEval) eval);
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}
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return retval;
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}
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}
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