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- /* ====================================================================
- 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.AreaEval;
- import org.apache.poi.ss.formula.eval.ErrorEval;
- import org.apache.poi.ss.formula.eval.NumberEval;
- import org.apache.poi.ss.formula.eval.RefEval;
- import org.apache.poi.ss.formula.eval.ValueEval;
-
- /**
- * Implementation for the Excel function ROW
- */
- public final class RowFunc implements Function0Arg, Function1Arg {
-
- public ValueEval evaluate(int srcRowIndex, int srcColumnIndex) {
- return new NumberEval(srcRowIndex+1.);
- }
- public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0) {
- int rnum;
-
- if (arg0 instanceof AreaEval) {
- rnum = ((AreaEval) arg0).getFirstRow();
- } else if (arg0 instanceof RefEval) {
- rnum = ((RefEval) arg0).getRow();
- } else {
- // anything else is not valid argument
- return ErrorEval.VALUE_INVALID;
- }
-
- return new NumberEval(rnum + 1.);
- }
- public ValueEval evaluate(ValueEval[] args, int srcRowIndex, int srcColumnIndex) {
- switch (args.length) {
- case 1:
- return evaluate(srcRowIndex, srcColumnIndex, args[0]);
- case 0:
- return new NumberEval(srcRowIndex+1.);
- }
- return ErrorEval.VALUE_INVALID;
- }
- }
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