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patch: handles all forms of repeats #169

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27 changes: 12 additions & 15 deletions include/ctre/starts_with_anchor.hpp
Original file line number Diff line number Diff line change
Expand Up @@ -34,18 +34,6 @@ constexpr bool starts_with_anchor(const flags & f, ctll::list<select<Options...>
return (starts_with_anchor(f, ctll::list<Options, Content...>{}) && ... && true);
}

template <typename... Optional, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<optional<Optional...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
return starts_with_anchor(f, ctll::list<Optional..., Content...>{}) && starts_with_anchor(f, ctll::list<Content...>{});
}

template <typename... Optional, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<lazy_optional<Optional...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
return starts_with_anchor(f, ctll::list<Optional..., Content...>{}) && starts_with_anchor(f, ctll::list<Content...>{});
}

template <typename... Seq, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<sequence<Seq...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
Expand All @@ -55,19 +43,28 @@ constexpr bool starts_with_anchor(const flags & f, ctll::list<sequence<Seq...>,
template <size_t A, size_t B, typename... Seq, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<repeat<A, B, Seq...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
if constexpr (A > 0)
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
else
return starts_with_anchor(f, ctll::list<Seq..., Content...>{}) && starts_with_anchor(f, ctll::list<Content...>{});
}

template <size_t A, size_t B, typename... Seq, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<lazy_repeat<A, B, Seq...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
if constexpr (A > 0)
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
else
return starts_with_anchor(f, ctll::list<Seq..., Content...>{}) && starts_with_anchor(f, ctll::list<Content...>{});
}

template <size_t A, size_t B, typename... Seq, typename... Content>
constexpr bool starts_with_anchor(const flags & f, ctll::list<possessive_repeat<A, B, Seq...>, Content...>) noexcept {
// check if all options starts with anchor or if they are empty, there is an anchor behind them
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
if constexpr (A > 0)
return starts_with_anchor(f, ctll::list<Seq..., Content...>{});
else
return starts_with_anchor(f, ctll::list<Seq..., Content...>{}) && starts_with_anchor(f, ctll::list<Content...>{});
}

template <size_t Index, typename... Seq, typename... Content>
Expand Down