/* ====================================================================
|
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.
|
==================================================================== */
|
|
namespace HH.WMS.Utils.NPOI.SS.Formula.Udf
|
{
|
|
using System;
|
using System.Collections.Generic;
|
using HH.WMS.Utils.NPOI.SS.Formula.Functions;
|
|
/**
|
* Default UDF Finder - for Adding your own user defined functions.
|
*
|
* @author PUdalau
|
*/
|
public class DefaultUDFFinder : UDFFinder
|
{
|
private Dictionary<String, FreeRefFunction> _functionsByName;
|
|
public DefaultUDFFinder(String[] functionNames, FreeRefFunction[] functionImpls)
|
{
|
int nFuncs = functionNames.Length;
|
if (functionImpls.Length != nFuncs)
|
{
|
throw new ArgumentException(
|
"Mismatch in number of function names and implementations");
|
}
|
Dictionary<String, FreeRefFunction> m = new Dictionary<String, FreeRefFunction>(nFuncs * 3 / 2);
|
for (int i = 0; i < functionImpls.Length; i++)
|
{
|
m[functionNames[i].ToUpper()]= functionImpls[i];
|
}
|
_functionsByName = m;
|
}
|
|
public override FreeRefFunction FindFunction(String name)
|
{
|
if (!_functionsByName.ContainsKey(name.ToUpper()))
|
return null;
|
|
return _functionsByName[name.ToUpper()];
|
}
|
}
|
|
}
|