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tag: v1484
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(*
Copyright © 2011 MLstate
This file is part of OPA.
OPA is free software: you can redistribute it and/or modify it under the
terms of the GNU Affero General Public License, version 3, as published by
the Free Software Foundation.
OPA is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
more details.
You should have received a copy of the GNU Affero General Public License
along with OPA. If not, see <http://www.gnu.org/licenses/>.
*)
%%memoization=none
types:{{
open Requestdef
(* TODO: check the grammar with RFC: http://tools.ietf.org/html/rfc2616 *)
(* FIXME: request option ? *)
type parse_request =
| Complete of request
| Incomplete
}}
+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 }}
+response : {Requestdef.Value.value Requestdef.RequestHeader.t} <-
/ ResponseLine headers {{ __2 }}
RequestLine <- Word Space+ Word 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) }}
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 (Tgrammar.string_of_chars __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 }})+ {{ Tgrammar.string_of_chars __3 }})? {{ Tgrammar.string_of_chars __1, __2 }}
Word <- Char+ {{ Tgrammar.string_of_chars __1 }}
Char <- !(FullSpace $ / [:] $) . {{ __2 }}
Space <- ' ' / '\t'
FullSpace <- Space / EOL
EOL <- '\r\n' / '\n' / '\r'
# EOF <- !.
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