Remove or fix a small number of todo comments

One had the todo text fixed, another had the task to do done.

src/cowboy_http.erl

@@ -111,9 +111,6 @@
 
 	%% Children which are in the process of shutting down.
 	children = [] :: [{pid(), cowboy_stream:streamid(), timeout()}]
-
-	%% @todo Automatic compression. (compress option?)
-	%% @todo onresponse? Equivalent using streams.
 }).
 
 -include_lib("cowlib/include/cow_inline.hrl").
@@ -246,8 +243,6 @@ parse(Buffer, State=#state{in_state=#ps_body{}}) ->
 	%% @todo We do not want to get the body automatically if the request doesn't ask for it.
 	%% We may want to get bodies that are below a threshold without waiting, and buffer them
 	%% until the request asks, though.
-
-	%% @todo Transfer-decoding must be done here.
 	after_parse(parse_body(Buffer, State)).
 %% @todo Don't parse if body is finished but request isn't. Let's not parallelize for now.
 
@@ -415,7 +410,6 @@ skip_uri_fragment(<< C, Rest/bits >>, State, M, P, Q) ->
 		_ -> skip_uri_fragment(Rest, State, M, P, Q)
 	end.
 
-%% @todo Calls to parse_header should update the state.
 parse_version(<< "HTTP/1.1\r\n", Rest/bits >>, State, M, P, Q) ->
 	parse_headers(Rest, State, M, P, Q, 'HTTP/1.1');
 parse_version(<< "HTTP/1.0\r\n", Rest/bits >>, State, M, P, Q) ->
@@ -431,7 +425,6 @@ parse_version(_, State, _, _, _) ->
 		'Unsupported HTTP version. (RFC7230 2.6)'}).
 
 parse_headers(Rest, State, M, P, Q, V) ->
-	%% @todo Figure out the parse states.
 	parse_header(Rest, State#state{in_state=#ps_header{
 		method=M, path=P, qs=Q, version=V}}, #{}).
 
@@ -606,21 +599,15 @@ request(Buffer, State0=#state{ref=Ref, transport=Transport, peer=Peer, in_stream
 		scheme => Scheme,
 		host => Host,
 		port => Port,
-
-%% @todo So the path component needs to be normalized.
-
+		%% @todo The path component needs to be normalized.
 		path => Path,
 		qs => Qs,
 		version => Version,
 		%% We are transparently taking care of transfer-encodings so
 		%% the user code has no need to know about it.
 		headers => maps:remove(<<"transfer-encoding">>, Headers),
-
 		has_body => HasBody,
 		body_length => BodyLength
-		%% @todo multipart? keep state separate
-
-		%% meta values (cowboy_websocket, cowboy_rest)
 	},
 	case is_http2_upgrade(Headers, Version) of
 		false ->
@@ -679,14 +666,12 @@ http2_upgrade(State=#state{parent=Parent, ref=Ref, socket=Socket, transport=Tran
 	%% However if the client sent a body, we need to read the body in full
 	%% and if we can't do that, return a 413 response. Some options are in order.
 	%% Always half-closed stream coming from this side.
-
 	try cow_http_hd:parse_http2_settings(HTTP2Settings) of
 		Settings ->
 			Transport:send(Socket, cow_http:response(101, 'HTTP/1.1', maps:to_list(#{
 				<<"connection">> => <<"Upgrade">>,
 				<<"upgrade">> => <<"h2c">>
 			}))),
-
 			%% @todo Possibly redirect the request if it was https.
 			_ = cancel_request_timeout(State),
 			cowboy_http2:init(Parent, Ref, Socket, Transport, Opts, Peer, Buffer, Settings, Req)
@@ -1030,7 +1015,7 @@ error_terminate(StatusCode, State=#state{socket=Socket, transport=Transport}, Re
 
 -spec terminate(_, _) -> no_return().
 terminate(_State, _Reason) ->
-	exit(normal). %% @todo
+	exit(normal). %% @todo We probably don't want to exit normal on errors.
 
 %% System callbacks.
 

src/cowboy_http2.erl

@@ -36,9 +36,6 @@
 
 -type stream() :: #stream{}.
 
-%% @todo priority: if we receive a message for a stream, do a selective receive
-%% to get all messages in the mailbox and prioritize them. (later)
-
 -record(state, {
 	parent = undefined :: pid(),
 	ref :: ranch:ref(),
@@ -569,7 +566,7 @@ stream_init(State0=#state{ref=Ref, socket=Socket, transport=Transport, peer=Peer
 						cow_http_hd:parse_content_length(BinLength)
 					catch _:_ ->
 						terminate(State0, {stream_error, StreamID, protocol_error,
-							''}) %% @todo
+							'The content-length header is invalid. (RFC7230 3.3.2)'})
 						%% @todo Err should terminate here...
 					end,
 					Length;
@@ -591,12 +588,8 @@ stream_init(State0=#state{ref=Ref, socket=Socket, transport=Transport, peer=Peer
 				qs => Qs,
 				version => 'HTTP/2',
 				headers => Headers,
-
 				has_body => IsFin =:= nofin,
 				body_length => BodyLength
-				%% @todo multipart? keep state separate
-
-				%% meta values (cowboy_websocket, cowboy_rest)
 			},
 			stream_handler_init(State, StreamID, IsFin, Req);
 		{_, DecodeState} ->

src/cowboy_req.erl

@@ -65,7 +65,6 @@
 -export([set_resp_header/3]).
 -export([set_resp_headers/2]).
 -export([has_resp_header/2]).
-%% @todo resp_header
 -export([delete_resp_header/2]).
 -export([set_resp_body/2]).
 %% @todo set_resp_body/3 with a ContentType or even Headers argument, to set content headers.
@@ -75,7 +74,7 @@
 -export([reply/4]).
 -export([stream_reply/2]).
 -export([stream_reply/3]).
-%% @todo stream_reply/2 (nofin)
+%% @todo stream_body/2 (nofin)
 -export([stream_body/3]).
 %% @todo stream_event/2,3
 -export([push/3]).

src/cowboy_stream_h.erl

@@ -116,7 +116,6 @@ info(_StreamID, SwitchProtocol = {switch_protocol, _, _, _}, State) ->
 	{[SwitchProtocol], State};
 %% Stray message.
 info(_StreamID, _Info, State) ->
-	%% @todo Error report.
 	%% @todo Cleanup if no reply was sent when stream ends.
 	{[], State}.