01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: /*
18: * Created on May 9, 2005
19: *
20: */
21: package org.apache.poi.hssf.record.formula.functions;
22:
23: import org.apache.poi.hssf.record.formula.eval.AreaEval;
24: import org.apache.poi.hssf.record.formula.eval.BoolEval;
25: import org.apache.poi.hssf.record.formula.eval.ErrorEval;
26: import org.apache.poi.hssf.record.formula.eval.Eval;
27: import org.apache.poi.hssf.record.formula.eval.ValueEval;
28:
29: public class Or extends BooleanFunction {
30:
31: public Eval evaluate(Eval[] operands, int srcRow, short srcCol) {
32: ValueEval retval = null;
33: boolean b = false;
34: boolean atleastOneNonBlank = false;
35:
36: /*
37: * Note: do not abort the loop if b is true, since we could be
38: * dealing with errorevals later.
39: */
40: outer: for (int i = 0, iSize = operands.length; i < iSize; i++) {
41: if (operands[i] instanceof AreaEval) {
42: AreaEval ae = (AreaEval) operands[i];
43: ValueEval[] values = ae.getValues();
44: for (int j = 0, jSize = values.length; j < jSize; j++) {
45: ValueEval tempVe = singleOperandEvaluate(values[j],
46: srcRow, srcCol, true);
47: if (tempVe instanceof BoolEval) {
48: b = b || ((BoolEval) tempVe).getBooleanValue();
49: atleastOneNonBlank = true;
50: } else if (tempVe instanceof ErrorEval) {
51: retval = tempVe;
52: break outer;
53: }
54: }
55: } else {
56: ValueEval tempVe = singleOperandEvaluate(operands[i],
57: srcRow, srcCol, false);
58: if (tempVe instanceof BoolEval) {
59: b = b || ((BoolEval) tempVe).getBooleanValue();
60: atleastOneNonBlank = true;
61: } else if (tempVe instanceof ErrorEval) {
62: retval = tempVe;
63: break outer;
64: }
65: }
66: }
67:
68: if (!atleastOneNonBlank) {
69: retval = ErrorEval.VALUE_INVALID;
70: }
71:
72: if (retval == null) { // if no error
73: retval = b ? BoolEval.TRUE : BoolEval.FALSE;
74: }
75:
76: return retval;
77: }
78:
79: }
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