/* ==================================================================== | |
Licensed to the Apache Software Foundation (ASF) under one or more | |
contributor license agreements. See the NOTICE file distributed with | |
this work for additional information regarding copyright ownership. | |
The ASF licenses this file to You under the Apache License, Version 2.0 | |
(the "License"); you may not use this file except in compliance with | |
the License. You may obtain a copy of the License at | |
http://www.apache.org/licenses/LICENSE-2.0 | |
Unless required by applicable law or agreed to in writing, software | |
distributed under the License is distributed on an "AS IS" BASIS, | |
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
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==================================================================== */ | |
package org.apache.poi.ss.formula.functions; | |
import org.apache.poi.ss.formula.eval.*; | |
/** | |
* Implementation for Excel CODE () function.<p/> | |
* <p/> | |
* <b>Syntax</b>:<br/> <b>CODE </b>(<b>text</b> )<br/> | |
* <p/> | |
* Returns a numeric code for the first character in a text string. The returned code corresponds to the character set used by your computer. | |
* <p/> | |
* text The text for which you want the code of the first character. | |
* | |
* @author cedric dot walter @ gmail dot com | |
*/ | |
public class Code extends Fixed1ArgFunction { | |
public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval textArg) { | |
ValueEval veText1; | |
try { | |
veText1 = OperandResolver.getSingleValue(textArg, srcRowIndex, srcColumnIndex); | |
} catch (EvaluationException e) { | |
return e.getErrorEval(); | |
} | |
String text = OperandResolver.coerceValueToString(veText1); | |
if (text.length() == 0) { | |
return ErrorEval.VALUE_INVALID; | |
} | |
int code = text.charAt(0); | |
return new StringEval(String.valueOf(code)); | |
} | |
} | |