diff options
| -rw-r--r-- | src/cow_http_hd.erl | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/cow_http_hd.erl b/src/cow_http_hd.erl index 6d6562e..584309c 100644 --- a/src/cow_http_hd.erl +++ b/src/cow_http_hd.erl @@ -18,6 +18,7 @@ -export([parse_accept_charset/1]). -export([parse_accept_encoding/1]). -export([parse_accept_language/1]). +-export([parse_accept_ranges/1]). -export([parse_age/1]). -export([parse_allow/1]). -export([parse_cache_control/1]). @@ -696,6 +697,47 @@ horse_parse_accept_language() -> ). -endif. +%% @doc Parse the Accept-Ranges header. + +-spec parse_accept_ranges(binary()) -> [binary()]. +parse_accept_ranges(<<"none">>) -> []; +parse_accept_ranges(<<"bytes">>) -> [<<"bytes">>]; +parse_accept_ranges(AcceptRanges) -> + nonempty(token_ci_list(AcceptRanges, [])). + +-ifdef(TEST). +parse_accept_ranges_test_() -> + Tests = [ + {<<"bytes">>, [<<"bytes">>]}, + {<<"none">>, []}, + {<<"bytes, pages, kilos">>, [<<"bytes">>, <<"pages">>, <<"kilos">>]} + ], + [{V, fun() -> R = parse_accept_ranges(V) end} || {V, R} <- Tests]. + +parse_accept_ranges_error_test_() -> + Tests = [ + <<>> + ], + [{V, fun() -> {'EXIT', _} = (catch parse_accept_ranges(V)) end} || V <- Tests]. +-endif. + +-ifdef(PERF). +horse_parse_accept_ranges_none() -> + horse:repeat(200000, + parse_accept_ranges(<<"none">>) + ). + +horse_parse_accept_ranges_bytes() -> + horse:repeat(200000, + parse_accept_ranges(<<"bytes">>) + ). + +horse_parse_accept_ranges_other() -> + horse:repeat(200000, + parse_accept_ranges(<<"bytes, pages, kilos">>) + ). +-endif. + %% @doc Parse the Age header. -spec parse_age(binary()) -> non_neg_integer(). |