1 files changed, 117 insertions, 0 deletions
diff --git a/src/endpoints.sml b/src/endpoints.sml
new file mode 100644
index 00000000..5699f319
--- /dev/null
+++ b/src/endpoints.sml
@@ -0,0 +1,117 @@
+(* Copyright (c) 2019 Artyom Shalkhakov
+ * 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, ContentType : string option, LastModified : Time.time option}
+type report = {Endpoints : endpoint list}
+
+fun p_endpoint {Method = m, Url = u, ContentType = oct, LastModified = olm} =
+    let
+        val rfcFmt = "%a, %d %b %Y %H:%M:%S GMT"
+    in
+        box [string "{",
+             string "\"method\": \"", string (methodToString m), string "\", ",
+             string "\"url\": \"", string u, string "\", ",
+             string "\"content-type\": ", (case oct of SOME ct => box [string "\"", string ct, string"\""]
+                                                     | NONE => string "null"),
+             string "}"]
+    end
+
+fun p_report {Endpoints = el} =
+    box [string "{\"endpoints\":",
+         space,
+         string "[",
+         p_list_sep (box [string ",", newline]) p_endpoint el,
+         string "]}"]
+
+val endpoints = ref ([] : endpoint list)
+val jsFile = ref (NONE : string option)
+
+fun setJavaScript x = jsFile := SOME x
+
+fun reset () = (endpoints := []; jsFile := NONE)
+
+fun collect 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, LastModified = NONE, ContentType = NONE} :: st
+                 | _ => st
+            end
+
+        val () = reset ()
+
+        val (decls, _) = file
+        val ep = foldl decl [] decls
+
+        fun binfile ({Uri = u, ContentType = ct, LastModified = lm, Bytes = _ }, st) =
+            {Method = GET, Url = u, LastModified = SOME lm, ContentType = ct} :: st
+
+        val ep = foldl binfile ep (Settings.listFiles ())
+
+        fun jsfile ({Filename = f, Content = _}, st) =
+            {Method = GET, Url = f, LastModified = NONE, ContentType = SOME "text/javascript"} :: st
+
+        val ep = foldl jsfile ep (Settings.listJsFiles ())
+    in
+        endpoints := ep;
+        file
+    end
+
+fun summarize () =
+    let
+        val ep = !endpoints
+        val js = !jsFile
+        val ep =
+            case js of
+                NONE => ep
+             |  SOME js =>
+                {Method = GET, Url = js, LastModified = NONE, ContentType = SOME "text/javascript"} :: ep
+    in
+        {Endpoints = ep}
+    end
+
+end