1 files changed, 94 insertions, 0 deletions
diff --git a/lib/ssl/pkix/mk_ssl_pkix_oid.erl b/lib/ssl/pkix/mk_ssl_pkix_oid.erl
new file mode 100644
index 0000000000..06edc5113a
--- /dev/null
+++ b/lib/ssl/pkix/mk_ssl_pkix_oid.erl
@@ -0,0 +1,94 @@
+-module(mk_ssl_pkix_oid).
+
+-export([make/0]).
+
+-define(PKIX_MODULES, ['OTP-PKIX']).
+
+make() ->
+    {ok, Fd} = file:open("ssl_pkix_oid.erl", [write]),
+    io:fwrite(Fd, "%%% File: ssl_pkix_oid.erl\n"
+	      "%%% NB This file has been automatically generated by "
+	      "mk_ssl_pkix_oid.\n"
+	      "%%% Do not edit it.\n\n", []),
+    io:fwrite(Fd, "-module(ssl_pkix_oid).\n", []),
+    io:fwrite(Fd, "-export([id2atom/1, atom2id/1, all_atoms/0, "
+	      "all_ids/0]).\n\n", []),
+
+
+    AIds0 = get_atom_ids(?PKIX_MODULES),
+
+    AIds1 = modify_atoms(AIds0),
+    gen_id2atom(Fd, AIds1),
+    gen_atom2id(Fd, AIds1),
+    gen_all(Fd, AIds1),
+    file:close(Fd).
+
+get_atom_ids(Ms) ->
+    get_atom_ids(Ms, []).
+
+get_atom_ids([], AIdss) ->
+    lists:flatten(AIdss);
+get_atom_ids([M| Ms], AIdss) ->
+    {value, {exports, Exports}} = 
+	lists:keysearch(exports, 1, M:module_info()),
+    As = lists:zf(
+	   fun ({info, 0}) -> false;
+	       ({module_info, 0}) -> false;
+	       ({encoding_rule, 0}) -> false;
+	       ({F, 0}) -> 
+		   case atom_to_list(F) of
+		   %% Remove upper-bound (ub-) functions
+		       "ub-" ++ _Rest ->
+			   false;
+		       _ ->
+			   {true, F}
+		   end;
+	       (_) -> false 
+	   end, Exports),
+    AIds = lists:map(fun(F) -> {F, M:F()} end, As),
+    get_atom_ids(Ms, [AIds| AIdss]).
+
+modify_atoms(AIds) ->
+    F = fun({A, I}) ->
+		NAS = case atom_to_list(A) of
+			  "id-" ++ Rest ->
+			      Rest;
+			  Any ->
+			      Any
+		      end,
+		{list_to_atom(NAS), I} end,
+    lists:map(F, AIds). 
+
+gen_id2atom(Fd, AIds0) ->
+    AIds1 = lists:keysort(2, AIds0),
+    Txt = join(";\n", 
+	       lists:map(
+		 fun({Atom, Id}) ->
+			 io_lib:fwrite("id2atom(~p) ->\n    ~p", [Id, Atom]) 
+		 end, AIds1)),
+    io:fwrite(Fd, "~s;\nid2atom(Any)->\n    Any.\n\n", [Txt]).
+
+gen_atom2id(Fd, AIds0) ->
+    AIds1 = lists:keysort(1, AIds0),
+    Txt = join(";\n", 
+	       lists:map(
+		 fun({Atom, Id}) ->
+			 io_lib:fwrite("atom2id(~p) ->\n    ~p", [Atom, Id]) 
+		 end, AIds1)),
+    io:fwrite(Fd, "~s;\natom2id(Any)->\n    Any.\n\n", [Txt]).
+
+gen_all(Fd, AIds) ->
+    Atoms = lists:sort([A || {A, _} <- AIds]),
+    Ids = lists:sort([I || {_, I} <- AIds]),
+    F = fun(X) -> io_lib:fwrite("    ~w", [X]) end,
+    ATxt = "all_atoms() ->\n" ++ join(",\n", lists:map(F, Atoms)),
+    io:fwrite(Fd, "~s.\n\n", [ATxt]),
+    ITxt = "all_ids() ->\n" ++ 	join(",\n", lists:map(F, Ids)),
+    io:fwrite(Fd, "~s.\n\n", [ITxt]).
+
+join(Sep, [H1, H2| T]) ->
+    [H1, Sep| join(Sep, [H2| T])]; 
+join(_Sep, [H1]) ->
+    H1;
+join(_, []) ->
+    [].