diff options
| -rw-r--r-- | src/cow_http_hd.erl | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/cow_http_hd.erl b/src/cow_http_hd.erl index 2c08486..aaec21d 100644 --- a/src/cow_http_hd.erl +++ b/src/cow_http_hd.erl @@ -25,6 +25,7 @@ -export([parse_expect/1]). -export([parse_if_match/1]). -export([parse_if_modified_since/1]). +-export([parse_if_none_match/1]). -export([parse_if_unmodified_since/1]). -export([parse_last_modified/1]). -export([parse_max_forwards/1]). @@ -1103,6 +1104,41 @@ parse_if_modified_since_test_() -> [{V, fun() -> R = parse_if_modified_since(V) end} || {V, R} <- Tests]. -endif. +%% @doc Parse the If-None-Match header. + +-spec parse_if_none_match(binary()) -> '*' | [etag()]. +parse_if_none_match(<<"*">>) -> + '*'; +parse_if_none_match(IfNoneMatch) -> + nonempty(etag_list(IfNoneMatch, [])). + +-ifdef(TEST). +parse_if_none_match_test_() -> + Tests = [ + {<<"\"xyzzy\"">>, [{strong, <<"xyzzy">>}]}, + {<<"W/\"xyzzy\"">>, [{weak, <<"xyzzy">>}]}, + {<<"\"xyzzy\", \"r2d2xxxx\", \"c3piozzzz\"">>, + [{strong, <<"xyzzy">>}, {strong, <<"r2d2xxxx">>}, {strong, <<"c3piozzzz">>}]}, + {<<"W/\"xyzzy\", W/\"r2d2xxxx\", W/\"c3piozzzz\"">>, + [{weak, <<"xyzzy">>}, {weak, <<"r2d2xxxx">>}, {weak, <<"c3piozzzz">>}]}, + {<<"*">>, '*'} + ], + [{V, fun() -> R = parse_if_none_match(V) end} || {V, R} <- Tests]. + +parse_if_none_match_error_test_() -> + Tests = [ + <<>> + ], + [{V, fun() -> {'EXIT', _} = (catch parse_if_none_match(V)) end} || V <- Tests]. +-endif. + +-ifdef(PERF). +horse_parse_if_none_match() -> + horse:repeat(200000, + parse_if_none_match(<<"W/\"xyzzy\", W/\"r2d2xxxx\", W/\"c3piozzzz\"">>) + ). +-endif. + %% @doc Parse the If-Unmodified-Since header. -spec parse_if_unmodified_since(binary()) -> calendar:datetime(). |