* We don't use a std::vector here because it would make a copy of the C array.
*/
class session_list {
- class iterator : public std::iterator<std::random_access_iterator_tag, std::size_t> {
+ template <typename ContainerType, typename DereferenceReturnType>
+ class iterator_template : public std::iterator<std::random_access_iterator_tag, std::size_t> {
public:
- explicit iterator(session_list& list, std::size_t k) : _list(list), _index(k)
+ explicit iterator_template(ContainerType& list, std::size_t k) : _list(list), _index(k)
{
}
- iterator& operator++() noexcept
+ iterator_template& operator++() noexcept
{
++_index;
return *this;
}
- iterator& operator--() noexcept
+ iterator_template& operator--() noexcept
{
--_index;
return *this;
}
- iterator& operator++(int) noexcept
+ iterator_template& operator++(int) noexcept
{
_index++;
return *this;
}
- iterator& operator--(int) noexcept
+ iterator_template& operator--(int) noexcept
{
_index--;
return *this;
}
- bool operator==(iterator other) const noexcept
+ bool operator==(iterator_template other) const noexcept
{
return _index == other._index;
}
- bool operator!=(iterator other) const noexcept
+ bool operator!=(iterator_template other) const noexcept
{
return !(*this == other);
}
- lttng_session& operator*() const noexcept
+ DereferenceReturnType& operator*() const noexcept
{
return _list[_index];
}
private:
- session_list& _list;
+ ContainerType& _list;
std::size_t _index;
};
+ using iterator = iterator_template<session_list, lttng_session>;
+ using const_iterator = iterator_template<const session_list, const lttng_session>;
+
public:
session_list() : _sessions_count(0), _sessions(nullptr)
{
return iterator(*this, _sessions_count);
}
+ const_iterator begin() const noexcept
+ {
+ return const_iterator(*this, 0);
+ }
+
+ const_iterator end() const noexcept
+ {
+ return const_iterator(*this, _sessions_count);
+ }
+
std::size_t size() const noexcept
{
return _sessions_count;