90 lines
1.6 KiB
C++
90 lines
1.6 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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ircd::m::event::idx
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ircd::m::index(const event &event)
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try
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{
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return index(event.event_id);
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}
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catch(const json::not_found &)
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{
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throw m::NOT_FOUND
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{
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"Cannot find index for event without an event_id."
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};
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}
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ircd::m::event::idx
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ircd::m::index(std::nothrow_t,
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const event &event)
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{
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return index(std::nothrow, event.event_id);
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}
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ircd::m::event::idx
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ircd::m::index(const event::id &event_id)
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{
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assert(event_id);
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const auto ret
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{
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index(std::nothrow, event_id)
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};
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if(!ret)
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throw m::NOT_FOUND
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{
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"no index found for %s",
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string_view{event_id}
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};
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return ret;
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}
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ircd::m::event::idx
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ircd::m::index(std::nothrow_t,
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const event::id &event_id)
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{
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event::idx ret{0};
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index(std::nothrow, event_id, [&ret]
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(const event::idx &event_idx)
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{
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ret = event_idx;
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});
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return ret;
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}
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bool
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ircd::m::index(std::nothrow_t,
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const event::id &event_id,
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const event::closure_idx &closure)
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{
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auto &column
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{
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dbs::event_idx
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};
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if(!event_id)
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return false;
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return column(event_id, std::nothrow, [&closure]
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(const string_view &value)
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{
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const event::idx &event_idx
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{
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byte_view<event::idx>(value)
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};
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closure(event_idx);
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});
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}
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