Helper collection class that functions as list of unique pointers.
continuous-integration/drone/push Build is passing
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continuous-integration/drone/push Build is passing
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/cmake-build-debug/
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/cmake-build-release/
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/build-release-windows/
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/.idea/
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#ifndef ARBUTILS_UNIQUEPTRLIST_HPP
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#define ARBUTILS_UNIQUEPTRLIST_HPP
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#include <algorithm>
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#include <sstream>
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#include <stdexcept>
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#include <vector>
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#include "BorrowedPtr.hpp"
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namespace ArbUt {
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template <class ValueT> class UniquePtrList {
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private:
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std::vector<ValueT*> _vector;
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using iterator = typename std::vector<ValueT*>::iterator;
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public:
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inline UniquePtrList() : _vector() {}
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explicit inline UniquePtrList(size_t capacity) : _vector() { _vector.reserve(capacity); }
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inline UniquePtrList(const std::initializer_list<ValueT*>& l) : _vector(l) {}
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inline UniquePtrList(ValueT* const* begin, ValueT* const* end) : _vector(begin, end) {}
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UniquePtrList(const UniquePtrList<ValueT>&) = delete;
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UniquePtrList<ValueT>& operator=(const UniquePtrList<ValueT>&) = delete;
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~UniquePtrList() { Clear(); }
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inline void Clear() {
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for (auto& i : _vector) {
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delete i;
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}
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}
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inline BorrowedPtr<ValueT> At(size_t index) {
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#ifndef NO_ASSERT
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if (index >= _vector.size() || index < 0) {
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std::stringstream ss;
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ss << "Index " << index << " is out of bounds.";
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throw std::logic_error(ss.str());
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}
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#endif
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return _vector[index];
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}
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inline bool Contains(const BorrowedPtr<ValueT>& value) const {
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return std::find(_vector.begin(), _vector.end(), value) != _vector.end();
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}
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/// Find the index of the first occurrence of a value in the list, return -1 if none is found.
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/// \param value The value we want the index for.
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/// \return The index of the first occurrence of the value in the list, or -1 if none is found.
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inline size_t IndexOf(const BorrowedPtr<ValueT>& value) const {
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const auto& it = std::find(_vector.begin(), _vector.end(), value);
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if (it == _vector.end())
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return -1;
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return std::distance(_vector.begin(), it);
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}
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inline void Append(ValueT* value) { _vector.push_back(value); }
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inline BorrowedPtr<ValueT> operator[](size_t index) { return At(index); }
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inline size_t Count() const { return _vector.size(); }
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iterator begin() { return _vector.begin(); }
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iterator end() { return _vector.end(); }
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ValueT* const* RawData() const { return _vector.data(); }
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const std::vector<ValueT*>& GetStdList() const { return _vector; }
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std::vector<ValueT*>& GetStdList() { return _vector; }
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};
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}
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#endif // ARBUTILS_UNIQUEPTRLIST_HPP
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#ifdef TESTS_BUILD
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#include "../extern/catch.hpp"
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#include "../src/Memory/UniquePtrList.hpp"
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using namespace ArbUt;
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TEST_CASE("Create Unique Ptr list, append"){
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auto ls = UniquePtrList<uint32_t>();
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auto v1 = new uint32_t (100);
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auto v2 = new uint32_t (5000);
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ls.Append(v1);
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ls.Append(v2);
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}
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TEST_CASE("Create Unique Ptr list, append, retrieve"){
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auto ls = UniquePtrList<uint32_t>();
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auto v1 = new uint32_t (100);
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auto v2 = new uint32_t (5000);
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ls.Append(v1);
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ls.Append(v2);
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REQUIRE(ls.Count() == 2);
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CHECK(ls.At(0) == v1);
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CHECK(ls.At(1) == v2);
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CHECK(ls[0] == v1);
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CHECK(ls[1] == v2);
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}
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TEST_CASE("Create Unique Ptr list, append, iterate"){
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auto ls = UniquePtrList<uint32_t>();
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auto v1 = new uint32_t (100);
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auto v2 = new uint32_t (5000);
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ls.Append(v1);
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ls.Append(v2);
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REQUIRE(ls.Count() == 2);
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auto i = 0;
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for (const auto& v : ls){
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if (i == 0) CHECK(v == v1);
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else if (i == 1) CHECK(v == v2);
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i++;
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}
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}
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#endif
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