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ircd:Ⓜ️ Elaborate the event::prev interface with pattern conveniences.

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This commit is contained in:
Jason Volk 2018-02-10 13:28:22 -08:00
parent 535232603c
commit 3597d1eb6b
2 changed files with 78 additions and 0 deletions
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8
include/ircd/m/event.h
View file

@ -99,6 +99,14 @@ struct ircd::m::event::prev
{
enum cond :int;
std::tuple<event::id, string_view> auth_events(const uint &idx) const;
std::tuple<event::id, string_view> prev_states(const uint &idx) const;
std::tuple<event::id, string_view> prev_events(const uint &idx) const;
event::id auth_event(const uint &idx) const;
event::id prev_state(const uint &idx) const;
event::id prev_event(const uint &idx) const;
using super_type::tuple;
using super_type::operator=;
};

70
ircd/m/event.cc
View file

@ -337,6 +337,76 @@ ircd::m::event::event(const id &id,
new (this) m::event(obj);
}
//
// event::prev
//
ircd::m::event::id
ircd::m::event::prev::auth_event(const uint &idx)
const
{
return std::get<0>(auth_events(idx));
}
ircd::m::event::id
ircd::m::event::prev::prev_state(const uint &idx)
const
{
return std::get<0>(prev_states(idx));
}
ircd::m::event::id
ircd::m::event::prev::prev_event(const uint &idx)
const
{
return std::get<0>(prev_events(idx));
}
std::tuple<ircd::m::event::id, ircd::string_view>
ircd::m::event::prev::auth_events(const uint &idx)
const
{
const json::array &auth_event
{
at<"auth_events"_>(*this).at(idx)
};
return
{
unquote(auth_event.at(0)), unquote(auth_event[1])
};
}
std::tuple<ircd::m::event::id, ircd::string_view>
ircd::m::event::prev::prev_states(const uint &idx)
const
{
const json::array &state_event
{
at<"prev_state"_>(*this).at(idx)
};
return
{
unquote(state_event.at(0)), unquote(state_event[1])
};
}
std::tuple<ircd::m::event::id, ircd::string_view>
ircd::m::event::prev::prev_events(const uint &idx)
const
{
const json::array &prev_event
{
at<"prev_events"_>(*this).at(idx)
};
return
{
unquote(prev_event.at(0)), unquote(prev_event[1])
};
}
//
// event::fetch
//