Patch from Josh from bug #44608 - Support for PercentPtg in the formula evaluator
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@637600 13f79535-47bb-0310-9956-ffa450edef68
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src/scratchpad/src/org/apache/poi/hssf/record/formula/eval/PercentEval.java
Executable file
71
src/scratchpad/src/org/apache/poi/hssf/record/formula/eval/PercentEval.java
Executable file
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/* ====================================================================
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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.hssf.record.formula.eval;
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import org.apache.poi.hssf.record.formula.PercentPtg;
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import org.apache.poi.hssf.record.formula.Ptg;
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/**
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* Implementation of Excel formula token '%'. <p/>
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* @author Josh Micich
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*/
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public final class PercentEval extends NumericOperationEval {
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private PercentPtg _delegate;
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private static final ValueEvalToNumericXlator NUM_XLATOR = new ValueEvalToNumericXlator(
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(short) (ValueEvalToNumericXlator.BOOL_IS_PARSED
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| ValueEvalToNumericXlator.REF_BOOL_IS_PARSED
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| ValueEvalToNumericXlator.STRING_IS_PARSED | ValueEvalToNumericXlator.REF_STRING_IS_PARSED));
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public PercentEval(Ptg ptg) {
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_delegate = (PercentPtg) ptg;
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}
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protected ValueEvalToNumericXlator getXlator() {
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return NUM_XLATOR;
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}
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public Eval evaluate(Eval[] args, int srcRow, short srcCol) {
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if (args.length != 1) {
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return ErrorEval.VALUE_INVALID;
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}
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ValueEval ve = singleOperandEvaluate(args[0], srcRow, srcCol);
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if (ve instanceof NumericValueEval) {
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double d0 = ((NumericValueEval) ve).getNumberValue();
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return new NumberEval(d0 / 100);
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}
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if (ve instanceof BlankEval) {
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return NumberEval.ZERO;
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}
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if (ve instanceof ErrorEval) {
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return ve;
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}
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return ErrorEval.VALUE_INVALID;
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}
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public int getNumberOfOperands() {
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return _delegate.getNumberOfOperands();
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}
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public int getType() {
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return _delegate.getType();
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}
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}
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