29 std::function<bool(
const T& pChild,
const T& pParent)> mIsChildFunc;
31 void buildChain(
const QVector<T>& pAllElements,
const QVector<T>& pChain)
33 bool chainComplete =
true;
35 for (
const auto& elem : pAllElements)
37 if (pChain.contains(elem))
42 if (mIsChildFunc(elem, pChain.last()))
44 QVector<T> extendedChain(pChain);
45 extendedChain += elem;
46 buildChain(pAllElements, extendedChain);
47 chainComplete =
false;
49 else if (mIsChildFunc(pChain.first(), elem))
51 QVector<T> extendedChain({elem});
52 extendedChain += pChain;
53 buildChain(pAllElements, extendedChain);
54 chainComplete =
false;
58 if (chainComplete && !isSubChain(pChain))
65 bool isSubChain(
const QVector<T>& pSubChain)
67 for (
const auto& chain : qAsConst(
mChains))
69 if (std::search(chain.begin(), chain.end(), pSubChain.begin(), pSubChain.end()) != chain.end())
78 ChainBuilder(
const QVector<T>& pAllElements,
const std::function<
bool(
const T& pChild,
const T& pParent)>& pIsChildFunc)
80 , mIsChildFunc(pIsChildFunc)
82 for (
const auto& elem : pAllElements)
84 const QVector<T> chain({elem});
85 if (!isSubChain(chain))
87 buildChain(pAllElements, chain);