/* ====================================================================
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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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namespace HH.WMS.Utils.NPOI.SS.Formula.Functions
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{
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using HH.WMS.Utils.NPOI.SS.Formula.Eval;
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using System;
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using HH.WMS.Utils.NPOI.SS.Util;
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using System.Text;
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/**
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* Creates a text reference as text, given specified row and column numbers.
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*
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* @author Aniket Banerjee (banerjee@google.com)
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*/
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public class Address : Function
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{
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public const int REF_ABSOLUTE = 1;
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public const int REF_ROW_ABSOLUTE_COLUMN_RELATIVE = 2;
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public const int REF_ROW_RELATIVE_RELATIVE_ABSOLUTE = 3;
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public const int REF_RELATIVE = 4;
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public ValueEval Evaluate(ValueEval[] args, int srcRowIndex,
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int srcColumnIndex)
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{
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if (args.Length < 2 || args.Length > 5)
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{
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return ErrorEval.VALUE_INVALID;
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}
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try
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{
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bool pAbsRow, pAbsCol;
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int row = (int)NumericFunction.SingleOperandEvaluate(args[0], srcRowIndex, srcColumnIndex);
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int col = (int)NumericFunction.SingleOperandEvaluate(args[1], srcRowIndex, srcColumnIndex);
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int refType;
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if (args.Length > 2)
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{
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refType = (int)NumericFunction.SingleOperandEvaluate(args[2], srcRowIndex, srcColumnIndex);
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}
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else
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{
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refType = REF_ABSOLUTE;
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}
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switch (refType)
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{
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case REF_ABSOLUTE:
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pAbsRow = true;
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pAbsCol = true;
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break;
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case REF_ROW_ABSOLUTE_COLUMN_RELATIVE:
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pAbsRow = true;
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pAbsCol = false;
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break;
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case REF_ROW_RELATIVE_RELATIVE_ABSOLUTE:
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pAbsRow = false;
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pAbsCol = true;
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break;
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case REF_RELATIVE:
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pAbsRow = false;
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pAbsCol = false;
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break;
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default:
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throw new EvaluationException(ErrorEval.VALUE_INVALID);
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}
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bool a1;
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if (args.Length > 3)
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{
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ValueEval ve = OperandResolver.GetSingleValue(args[3], srcRowIndex, srcColumnIndex);
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// TODO R1C1 style is not yet supported
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a1 = ve == MissingArgEval.instance ? true : OperandResolver.CoerceValueToBoolean(ve, false).Value;
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}
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else
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{
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a1 = true;
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}
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String sheetName;
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if (args.Length == 5)
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{
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ValueEval ve = OperandResolver.GetSingleValue(args[4], srcRowIndex, srcColumnIndex);
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sheetName = ve == MissingArgEval.instance ? null : OperandResolver.CoerceValueToString(ve);
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}
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else
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{
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sheetName = null;
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}
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CellReference ref1 = new CellReference(row - 1, col - 1, pAbsRow, pAbsCol);
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StringBuilder sb = new StringBuilder(32);
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if (sheetName != null)
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{
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SheetNameFormatter.AppendFormat(sb, sheetName);
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sb.Append('!');
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}
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sb.Append(ref1.FormatAsString());
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return new StringEval(sb.ToString());
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}
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catch (EvaluationException e)
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{
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return e.GetErrorEval();
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}
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}
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}
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}
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