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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2009. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%% Some utilities
-module(gen_util).
-compile(export_all).
lowercase([F|R]) when F >= $A, F =< $Z -> [F+($a-$A)|R];
lowercase(Str) when is_list(Str) -> Str.
lowercase_all([F|R]) when F >= $A, F =< $Z -> [F+($a-$A)|lowercase_all(R)];
lowercase_all([F|R]) -> [F|lowercase_all(R)];
lowercase_all([]) -> [].
uppercase([F|R]) when F >= $a, F =< $z -> [F+($A-$a)|R];
uppercase(Str) when is_list(Str) -> Str.
uppercase_all([F|R]) when F >= $a, F =< $z -> [F+($A-$a)|uppercase_all(R)];
uppercase_all([A|R]) -> [A|uppercase_all(R)];
uppercase_all([]) -> [].
strip_name([H|R1],[H|R2]) ->
strip_name(R1,R2);
strip_name(String,[]) -> String.
open_write(File) ->
%% io:format("Generating ~s~n",[File]),
{ok, Fd} = file:open(File++".temp", [write]),
put(current_file, {Fd,File}).
close() ->
case get(current_file) of
undefined ->
ok;
{closed, File} ->
io:format("Closing twice ~s~n",[File]);
{Fd,File} ->
file:close(Fd),
case os:cmd("diff " ++ File ++ " " ++ File ++ ".temp" ++ "| head -30") of
[] ->
ok = file:delete(File ++ ".temp"),
%% So that make understands that we have made this
case os:getenv("CLEARCASE_ROOT") of
false -> os:cmd("touch " ++ File);
_ -> ignore
end,
ok;
Diff ->
case check_diff(Diff) of
copyright -> %% We ignore copyright changes only
ok = file:delete(File ++ ".temp");
_ ->
io:format("Diff in ~s~n~s ~n", [File, Diff]),
case file:rename(File ++ ".temp", File) of
ok -> ok;
_ ->
io:format("***** Failed to save file ~p ~n",[File])
end
end
end,
put(current_file, {closed, File})
end.
check_diff(Diff) ->
try
[_,D1,_,D2|Tail] = re:split(Diff, "\n"),
case Tail of
[] -> ok;
[<<>>] -> ok;
_ -> throw(diff)
end,
<<_, _, "%% Copyright", _/binary>> = D1,
<<_, _, "%% Copyright", _/binary>> = D2,
copyright
catch
throw:_ -> diff;
error:{badmatch,_} ->
diff;
_:What ->
io:format("~p:~p: ~p ~p~n", [?MODULE,?LINE, What, erlang:get_stacktrace()]),
diff
end.
w(Str) ->
w(Str, []).
w(Str,Args) ->
{Fd,_} = get(current_file),
io:format(Fd, Str, Args).
args(Fun, Limit, List) ->
args(Fun, Limit, List, infinity, 0).
args(Fun, Limit, List, Max) ->
args(Fun, Limit, List, Max, 0).
args(_Fun, _Limit, [], _Max, _) -> ""; %% No args
args(Fun, _Limit, [Last], _Max, _Pos) ->
case Fun(Last) of
skip -> ""; %% FIXME bug if last skips
Str -> Str
end;
args(Fun, Limit, [H|R], Max, Pos) ->
case Fun(H) of
skip -> args(Fun,Limit,R, Max, Pos);
Str ->
{NL, NewPos} =
case length(Str) + Pos of
Curr when Curr > Max ->
{"\n ", 0};
Curr ->
{"", Curr}
end,
case args(Fun,Limit,R, Max, NewPos) of
"" -> Str;
End -> Str ++ Limit ++ NL ++ End
end
end.
tokens(S) ->
tokens1(S, " \t\r\n(){}*;,@", []).
tokens(S,Seps) ->
tokens1(S, Seps, []).
tokens1([C|S], Seps, Toks) ->
case lists:member(C, Seps) of
true -> tokens1(S, Seps, [C|Toks]);
false -> tokens2(S, Seps, Toks, [C])
end;
tokens1([], _Seps, Toks) ->
replace_and_remove(Toks, []).
tokens2([C|S], Seps, Toks, Cs) ->
case lists:member(C, Seps) of
true -> tokens1(S, Seps, [C, lists:reverse(Cs) |Toks]);
false -> tokens2(S, Seps, Toks, [C|Cs])
end;
tokens2([], _Seps, Toks, Cs) ->
replace_and_remove([lists:reverse(Cs)|Toks], []).
replace_and_remove([E|R], Acc) when is_list(E) -> %% Keep everything that is a word
replace_and_remove(R, [E|Acc]);
replace_and_remove([$\n | R], Acc) -> %% It is semi line oriented so keep eol
replace_and_remove(R, [eol|Acc]);
replace_and_remove([$( | R], Acc) ->
replace_and_remove(R, ["("|Acc]);
replace_and_remove([$) | R], Acc) ->
replace_and_remove(R, [")"|Acc]);
replace_and_remove([${ | R], Acc) ->
replace_and_remove(R, ["{"|Acc]);
replace_and_remove([$} | R], Acc) ->
replace_and_remove(R, ["}"|Acc]);
replace_and_remove([$| | R], Acc) ->
replace_and_remove(R, ["|"|Acc]);
replace_and_remove([$* | R], Acc) ->
replace_and_remove(R, ["*"|Acc]);
replace_and_remove([$& | R], Acc) ->
replace_and_remove(R, [$&|Acc]);
replace_and_remove([$<,$< | R], Acc) ->
replace_and_remove(R, ["<<"|Acc]);
replace_and_remove([$, | R], Acc) ->
replace_and_remove(R, [cont|Acc]);
replace_and_remove([$; | R], Acc) ->
replace_and_remove(R, [eoe|Acc]);
replace_and_remove([$@ | R], Acc) ->
replace_and_remove(R, [directive|Acc]);
replace_and_remove([_E|R], Acc) -> %% Ignore everthing else
replace_and_remove(R, Acc);
replace_and_remove([], Acc) ->
Acc.
halt(Reason) ->
case process_info(group_leader(), status) of
{_,waiting} ->
%% Now all output data is down in the driver.
%% Give the driver some extra time before halting.
receive after 10 -> ok end,
erlang:halt(Reason);
_ ->
%% Probably still processing I/O requests.
receive after 20 -> ok end,
gen_util:halt(Reason)
end.
erl_copyright() ->
w("%%~n",[]),
w("%% %CopyrightBegin%~n",[]),
w("%%~n",[]),
w("%% Copyright Ericsson AB 2008-2010. All Rights Reserved.~n",[]),
w("%%~n",[]),
w("%% The contents of this file are subject to the Erlang Public License,~n",[]),
w("%% Version 1.1, (the \"License\"); you may not use this file except in~n",[]),
w("%% compliance with the License. You should have received a copy of the~n",[]),
w("%% Erlang Public License along with this software. If not, it can be~n",[]),
w("%% retrieved online at http://www.erlang.org/.~n",[]),
w("%%~n",[]),
w("%% Software distributed under the License is distributed on an \"AS IS\"~n",[]),
w("%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See~n",[]),
w("%% the License for the specific language governing rights and limitations~n",[]),
w("%% under the License.~n",[]),
w("%%~n",[]),
w("%% %CopyrightEnd%~n",[]).
c_copyright() ->
w("/*~n",[]),
w(" * %CopyrightBegin%~n",[]),
w(" *~n",[]),
w(" * Copyright Ericsson AB 2008-2010. All Rights Reserved.~n",[]),
w(" *~n",[]),
w(" * The contents of this file are subject to the Erlang Public License,~n",[]),
w(" * Version 1.1, (the \"License\"); you may not use this file except in~n",[]),
w(" * compliance with the License. You should have received a copy of the~n",[]),
w(" * Erlang Public License along with this software. If not, it can be~n",[]),
w(" * retrieved online at http://www.erlang.org/.~n",[]),
w(" *~n",[]),
w(" * Software distributed under the License is distributed on an \"AS IS\"~n",[]),
w(" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See~n",[]),
w(" * the License for the specific language governing rights and limitations~n",[]),
w(" * under the License.~n",[]),
w(" *~n",[]),
w(" * %CopyrightEnd% ~n",[]),
w("*/~n",[]).
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