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(*
Copyright © 2011 MLstate
This file is part of OPA.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*)
%%memoization=none
types:{{
open Requestdef
(* TODO: check the grammar with RFC: http://tools.ietf.org/html/rfc2616 *)
open RequestType
}}
+request : {parse_request} <-
/ RequestLineShort {{ Complete { request_line = __1 ; request_header = RequestHeader.empty ; request_message_body = "" ; server_info = None} }}
/ RequestLine headers {{ Complete { request_line = __1 ; request_header = __2 ; request_message_body = "" ; server_info = None} }}
/ RequestLine {{ Incomplete }}
+full_response: { ((string * int) * Requestdef.Value.value Requestdef.ResponseHeader.t) } <-
/ ResponseLine response_headers {{ (__1, __2) }}
+response : {Requestdef.Value.value Requestdef.RequestHeader.t} <-
/ ResponseLine headers {{ __2 }}
RequestLine <- Word Space+ ((!EOL !Space . )+ $_) Space+ Word EOL
{{ { _method = method_of_string __1 ; request_uri = __3 ; http_version = __5 } }}
# We need to accept HTTP/0.9 requests.
RequestLineShort <- Word Space+ Word EOL
{{ { _method = method_of_string __1 ; request_uri = __3 ; http_version = "HTTP/0.9" } }}
ResponseLine <- Word Space+ ([0-9]+ $_) (Space+ Word)+ EOL
{{ __1, int_of_string(__3) }}
response_headers <- Header response_headers {{ let k, v = __1 in try ResponseHeader.add (response_header_of_string k) v __2 with (Parsing _) -> __2 }}
/ EOL {{ ResponseHeader.empty }}
headers <- Header headers {{ let k, v = __1 in try RequestHeader.add (request_header_of_string k) v __2 with (Parsing _) -> __2 }}
/ EOL {{ RequestHeader.empty }}
Header <- Word [:] Space* field_value EOL {{ __1, __4 }}
field_value <-
#Values {{ __1 }} /
((!EOL . {{ __2 }})* $_) {{ `string __1 }}
# FIXME: faux... la virgule peut être dans un " " ou ( ) ??? par exemple
Values <- Value ([,] Value {{__2}})+ {{ `value (__1 :: __2) }}
Value <- ((![;,\r\n] . {{ __2 }})+ $_) ([;] Space* ((![,\r\n] . {{__2 }})+ $_) {{ __3 }})? {{ __1, __2 }}
Word <- Char+ $_
Char <- !(FullSpace $ / [:] $) . {{ __2 }}
Space <- ' ' / '\t'
FullSpace <- Space / EOL
EOL <- '\r\n' / '\n' / '\r'
# EOF <- !.
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