Bugzilla 55041: CODE function support, also removed @Override from interfaces to stay compatible with JDK 1.5
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1488733 13f79535-47bb-0310-9956-ffa450edef68
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src/java/org/apache/poi/ss/formula/functions/Code.java
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37
src/java/org/apache/poi/ss/formula/functions/Code.java
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@ -0,0 +1,37 @@
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package org.apache.poi.ss.formula.functions;
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import org.apache.poi.ss.formula.eval.*;
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/**
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* Implementation for Excel CODE () function.<p/>
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* <p/>
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* <b>Syntax</b>:<br/> <b>CODE </b>(<b>text</b> )<br/>
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* <p/>
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* Returns a numeric code for the first character in a text string. The returned code corresponds to the character set used by your computer.
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* <p/>
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* text The text for which you want the code of the first character.
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*
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* @author cedric dot walter @ gmail dot com
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*/
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public class Code extends Fixed1ArgFunction {
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval textArg) {
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ValueEval veText1;
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try {
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veText1 = OperandResolver.getSingleValue(textArg, srcRowIndex, srcColumnIndex);
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} catch (EvaluationException e) {
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return e.getErrorEval();
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}
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String text = OperandResolver.coerceValueToString(veText1);
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if (text.length() == 0) {
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return ErrorEval.VALUE_INVALID;
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}
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int code = (int)text.charAt(0);
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return new StringEval(String.valueOf(code));
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}
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}
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@ -17,6 +17,7 @@
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package org.apache.poi.ss.formula.functions;
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import org.apache.poi.ss.formula.OperationEvaluationContext;
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import org.apache.poi.ss.formula.eval.*;
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/**
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@ -51,13 +52,12 @@ import org.apache.poi.ss.formula.eval.*;
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*
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* @author cedric dot walter @ gmail dot com
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*/
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public final class Dec2Hex extends Var1or2ArgFunction {
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public final class Dec2Hex extends Var1or2ArgFunction implements FreeRefFunction {
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private final static long MIN_VALUE = new Long("-549755813888").longValue();
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private final static long MAX_VALUE = new Long("549755813887").longValue();
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private final static int DEFAULT_PLACES_VALUE = 10;;
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@Override
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval number, ValueEval places) {
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ValueEval veText1;
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try {
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@ -115,8 +115,15 @@ public final class Dec2Hex extends Var1or2ArgFunction {
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return new StringEval(hex.toUpperCase());
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}
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@Override
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) {
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return this.evaluate(srcRowIndex, srcColumnIndex, arg0, new StringEval(String.valueOf(DEFAULT_PLACES_VALUE)));
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}
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public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
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if (args.length != 2) {
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return ErrorEval.VALUE_INVALID;
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}
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return evaluate(ec.getRowIndex(), ec.getColumnIndex(), args[0], args[1]);
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}
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}
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@ -42,7 +42,6 @@ public final class Delta extends Fixed2ArgFunction {
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private final static NumberEval ONE = new NumberEval(1);
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private final static NumberEval ZERO = new NumberEval(0);
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@Override
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg1, ValueEval arg2) {
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ValueEval veText1;
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try {
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@ -0,0 +1,59 @@
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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.ss.formula.functions;
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import junit.framework.TestCase;
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import org.apache.poi.ss.formula.eval.ErrorEval;
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import org.apache.poi.ss.formula.eval.StringEval;
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import org.apache.poi.ss.formula.eval.ValueEval;
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/**
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* Tests for {@link Code}
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*
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* @author cedric dot walter @ gmail dot com
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*/
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public class TestCode extends TestCase
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{
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private static ValueEval invokeValue(String number1) {
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ValueEval[] args = new ValueEval[]{new StringEval(number1),};
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return new Code().evaluate(args, -1, -1);
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}
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private static void confirmValue(String msg, String number1, String expected) {
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ValueEval result = invokeValue(number1);
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assertEquals(StringEval.class, result.getClass());
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assertEquals(msg, expected, ((StringEval) result).getStringValue());
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}
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private static void confirmValueError(String msg, String number1, ErrorEval numError) {
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ValueEval result = invokeValue(number1);
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assertEquals(ErrorEval.class, result.getClass());
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assertEquals(msg, numError, result);
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}
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public void testBasic() {
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confirmValue("Displays the numeric code for A (65)", "A", "65");
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confirmValue("Displays the numeric code for the first character in text ABCDEFGHI (65)", "ABCDEFGHI", "65");
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confirmValue("Displays the numeric code for ! (33)", "!", "33");
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}
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public void testErrors() {
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confirmValueError("Empty text", "", ErrorEval.VALUE_INVALID);
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}
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}
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