diff options
| -rw-r--r-- | src/cowboy_http_req.erl | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl index 73db521..8d558b7 100644 --- a/src/cowboy_http_req.erl +++ b/src/cowboy_http_req.erl @@ -71,13 +71,15 @@ raw_path(Req) -> {Req#http_req.raw_path, Req}. -spec qs_val(Name::string(), Req::#http_req{}) - -> {Value::string() | true, Req::#http_req{}}. + -> {Value::string() | true | undefined, Req::#http_req{}}. qs_val(Name, Req=#http_req{raw_qs=RawQs, qs_vals=undefined}) -> QsVals = parse_qs(RawQs), qs_val(Name, Req#http_req{qs_vals=QsVals}); qs_val(Name, Req) -> - {Name, Value} = lists:keyfind(Name, 1, Req#http_req.qs_vals), - {Value, Req}. + case lists:keyfind(Name, 1, Req#http_req.qs_vals) of + {Name, Value} -> {Value, Req}; + false -> {undefined, Req} + end. -spec qs_val(Name::string(), Default::term(), Req::#http_req{}) -> {Value::string() | term() | true, Req::#http_req{}}. @@ -101,10 +103,12 @@ raw_qs(Req) -> {Req#http_req.raw_qs, Req}. -spec binding(Name::atom(), Req::#http_req{}) - -> {Value::string(), Req::#http_req{}}. + -> {Value::string() | undefined, Req::#http_req{}}. binding(Name, Req) -> - {Name, Value} = lists:keyfind(Name, 1, Req#http_req.bindings), - {Value, Req}. + case lists:keyfind(Name, 1, Req#http_req.bindings) of + {Name, Value} -> {Value, Req}; + false -> {undefined, Req} + end. -spec binding(Name::atom(), Default::term(), Req::#http_req{}) -> {Value::string() | term(), Req::#http_req{}}. @@ -118,11 +122,11 @@ bindings(Req) -> {Req#http_req.bindings, Req}. -spec header(Name::atom() | string(), Req::#http_req{}) - -> {Value::string(), Req::#http_req{}}. + -> {Value::string() | undefined, Req::#http_req{}}. header(Name, Req) -> case lists:keyfind(Name, 1, Req#http_req.headers) of {Name, Value} -> {Value, Req}; - false -> {"", Req} + false -> {undefined, Req} end. -spec header(Name::atom() | string(), Default::term(), Req::#http_req{}) |