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(std::list<const CConfigurableElement*>& aggregateList, MatchesAggregationCriterion pfnMatchesAggregationCriterion)
34 : _aggregateList(aggregateList), _pfnMatchesAggregationCriterion(pfnMatchesAggregationCriterion)
35 {
36 }
37
38 // Aggregate
aggegate(const CConfigurableElement * pConfigurableElement)39 void CConfigurableElementAggregator::aggegate(const CConfigurableElement* pConfigurableElement)
40 {
41 doAggregate(pConfigurableElement, _aggregateList);
42 }
43
44 // Recursive aggregate
doAggregate(const CConfigurableElement * pConfigurableElement,std::list<const CConfigurableElement * > & aggregateList)45 bool CConfigurableElementAggregator::doAggregate(const CConfigurableElement* pConfigurableElement, std::list<const CConfigurableElement*>& aggregateList)
46 {
47 if (!(pConfigurableElement->*_pfnMatchesAggregationCriterion)()) {
48
49 // Not a candidate for aggregation
50 return false;
51 }
52 // Check children
53 std::list<const CConfigurableElement*> childAggregateElementList;
54
55 size_t uiIndex;
56 size_t uiNbChildren = pConfigurableElement->getNbChildren();
57 size_t uiNbMatchingChildren = 0;
58
59 for (uiIndex = 0; uiIndex < uiNbChildren; uiIndex++) {
60
61 const CConfigurableElement* pChildConfigurableElement = static_cast<const CConfigurableElement*>(pConfigurableElement->getChild(uiIndex));
62
63 uiNbMatchingChildren += doAggregate(pChildConfigurableElement, childAggregateElementList);
64 }
65
66 if (uiNbMatchingChildren == uiNbChildren) {
67
68 // All children match => self is a match
69 aggregateList.push_back(pConfigurableElement);
70
71 return true;
72 } else {
73 // Add children if any
74 aggregateList.insert(aggregateList.end(), childAggregateElementList.begin(), childAggregateElementList.end());
75
76 return false;
77 }
78 }
79