| /* ==================================================================== |
| 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. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| 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)); |
| } |
| } |
| |