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ircd:Ⓜ️ Generalize room::lonly into more efficient room::origins::only(origin).

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This commit is contained in:
Jason Volk 2018-06-30 21:55:01 -07:00
parent 8038faf8e0
commit 08d45dc838
2 changed files with 24 additions and 7 deletions
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1
include/ircd/m/room.h
View file

@ -343,6 +343,7 @@ struct ircd::m::room::origins
bool test(const closure_bool &view) const;
void for_each(const closure &view) const;
bool has(const string_view &origin) const;
bool only(const string_view &origin) const;
size_t count() const;
origins(const m::room &room)

30
ircd/m/room.cc
View file

@ -171,13 +171,7 @@ ircd::m::room::lonly()
const
{
const origins origins(*this);
if(origins.count() != 1)
return false;
if(!origins.has(m::my_host()))
return false;
return true;
return origins.only(my_host());
}
bool
@ -1571,6 +1565,28 @@ const
return ret;
}
/// Tests if argument is the only origin in the room.
/// If a zero or more than one origins exist, returns false. If the only origin
/// in the room is the argument origin, returns true.
bool
ircd::m::room::origins::only(const string_view &origin)
const
{
bool ret{false};
test([&ret, &origin]
(const string_view &origin_)
{
if(origin == origin_)
ret = true;
else if(ret)
ret = false;
return ret;
});
return ret;
}
bool
ircd::m::room::origins::has(const string_view &origin)
const