1 /*
2 * Copyright (c) 2011-2014, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation and/or
13 * other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors
16 * may be used to endorse or promote products derived from this software without
17 * specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30 #include "ConfigurableElementAggregator.h"
31 #include "ConfigurableElement.h"
32
CConfigurableElementAggregator(std::list<const CConfigurableElement * > & aggregateList,MatchesAggregationCriterion pfnMatchesAggregationCriterion)33 CConfigurableElementAggregator::CConfigurableElementAggregator(
34 std::list<const CConfigurableElement *> &aggregateList,
35 MatchesAggregationCriterion pfnMatchesAggregationCriterion)
36 : _aggregateList(aggregateList), _pfnMatchesAggregationCriterion(pfnMatchesAggregationCriterion)
37 {
38 }
39
40 // Aggregate
aggegate(const CConfigurableElement * pConfigurableElement)41 void CConfigurableElementAggregator::aggegate(const CConfigurableElement *pConfigurableElement)
42 {
43 doAggregate(pConfigurableElement, _aggregateList);
44 }
45
46 // Recursive aggregate
doAggregate(const CConfigurableElement * pConfigurableElement,std::list<const CConfigurableElement * > & aggregateList)47 bool CConfigurableElementAggregator::doAggregate(
48 const CConfigurableElement *pConfigurableElement,
49 std::list<const CConfigurableElement *> &aggregateList)
50 {
51 if (!(pConfigurableElement->*_pfnMatchesAggregationCriterion)()) {
52
53 // Not a candidate for aggregation
54 return false;
55 }
56 // Check children
57 std::list<const CConfigurableElement *> childAggregateElementList;
58
59 size_t uiNbChildren = pConfigurableElement->getNbChildren();
60 size_t uiNbMatchingChildren = 0;
61
62 for (size_t index = 0; index < uiNbChildren; index++) {
63
64 const CConfigurableElement *pChildConfigurableElement =
65 static_cast<const CConfigurableElement *>(pConfigurableElement->getChild(index));
66
67 uiNbMatchingChildren += doAggregate(pChildConfigurableElement, childAggregateElementList);
68 }
69
70 if (uiNbMatchingChildren == uiNbChildren) {
71
72 // All children match => self is a match
73 aggregateList.push_back(pConfigurableElement);
74
75 return true;
76 } else {
77 // Add children if any
78 aggregateList.insert(aggregateList.end(), childAggregateElementList.begin(),
79 childAggregateElementList.end());
80
81 return false;
82 }
83 }
84