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ircd:Ⓜ️ Add key iteration to room::state interface.

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This commit is contained in:
Jason Volk 2018-04-09 19:24:56 -07:00
parent c354b6c1e4
commit 952571a3ad
2 changed files with 77 additions and 0 deletions
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5
include/ircd/m/room.h
View file

@ -198,12 +198,16 @@ struct ircd::m::room::state
struct tuple;
struct opts;
using keys = std::function<void (const string_view &)>;
using keys_bool = std::function<bool (const string_view &)>;
room::id room_id;
event::id::buf event_id;
m::state::id_buffer root_id_buf;
m::state::id root_id;
// Iterate the state; for_each protocol
void for_each(const string_view &type, const keys &) const;
void for_each(const string_view &type, const event::id::closure &) const;
void for_each(const string_view &type, const event::closure &) const;
void for_each(const event::id::closure &) const;
@ -212,6 +216,7 @@ struct ircd::m::room::state
// Iterate the state; test protocol
bool test(const string_view &type, const string_view &lower_bound, const event::id::closure_bool &view) const;
bool test(const string_view &type, const string_view &lower_bound, const event::closure_bool &view) const;
bool test(const string_view &type, const keys_bool &view) const;
bool test(const string_view &type, const event::id::closure_bool &view) const;
bool test(const string_view &type, const event::closure_bool &view) const;
bool test(const event::id::closure_bool &view) const;

72
ircd/m/room.cc
View file

@ -630,6 +630,44 @@ const
return false;
}
bool
ircd::m::room::state::test(const string_view &type,
const keys_bool &closure)
const
{
if(root_id)
return m::state::test(root_id, type, [&closure]
(const json::array &key, const string_view &event_id)
{
assert(size(key) >= 2);
return closure(unquote(key.at(1)));
});
char keybuf[768];
const auto &key
{
dbs::room_state_key(keybuf, room_id, type)
};
auto &column{dbs::room_state};
for(auto it{column.begin(key)}; bool(it); ++it)
{
const auto part
{
dbs::room_state_key(it->first)
};
if(std::get<0>(part) == type)
{
if(closure(std::get<1>(part)))
return true;
}
else break;
}
return false;
}
bool
ircd::m::room::state::test(const string_view &type,
const string_view &state_key_lb,
@ -748,6 +786,40 @@ const
break;
}
void
ircd::m::room::state::for_each(const string_view &type,
const keys &closure)
const
{
if(root_id)
return m::state::for_each(root_id, type, [&closure]
(const json::array &key, const string_view &event_id)
{
assert(size(key) >= 2);
closure(unquote(key.at(1)));
});
char keybuf[768];
const auto &key
{
dbs::room_state_key(keybuf, room_id, type)
};
auto &column{dbs::room_state};
for(auto it{column.begin(key)}; bool(it); ++it)
{
const auto part
{
dbs::room_state_key(it->first)
};
if(std::get<0>(part) == type)
closure(std::get<1>(part));
else
break;
}
}
//
// room::members
//