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(* Copyright (c) 2010, 2013, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
structure Endpoints :> ENDPOINTS = struct
open Print.PD
open Print
open Mono
datatype method = GET | POST
fun methodToString GET = "GET"
| methodToString POST = "POST"
type endpoint = {Method : method, Url : string}
type report = {Endpoints : endpoint list}
fun p_endpoint {Method = m, Url = u} =
box [string "{",
string "\"method\": \"", string (methodToString m), string "\",",
string "\"url\": \"", string u, string "\"",
string "}"]
fun p_report {Endpoints = el} =
box [string "{\"endpoints\":",
space,
string "[",
p_list_sep (box [string ",", newline]) p_endpoint el,
string "]}"]
fun summarize file =
let
fun exportKindToMethod (Link _) = GET
| exportKindToMethod (Action _) = POST
| exportKindToMethod (Rpc _) = POST
| exportKindToMethod (Extern _) = POST
fun decl ((d, _), st as endpoints) =
let
in
case d of
DExport (ek, id, i, tl, rt, f) =>
{Method = exportKindToMethod ek, Url = id} :: st
| _ => st
end
val (decls, _) = file
val ep = foldl decl [] decls
in
{Endpoints = ep}
end
end
|