diff options
Diffstat (limited to 'lib/stdlib/src/filelib.erl')
| -rw-r--r-- | lib/stdlib/src/filelib.erl | 41 |
1 files changed, 38 insertions, 3 deletions
diff --git a/lib/stdlib/src/filelib.erl b/lib/stdlib/src/filelib.erl index d532cea187..318f3b87b8 100644 --- a/lib/stdlib/src/filelib.erl +++ b/lib/stdlib/src/filelib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2012. 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 @@ -132,6 +132,8 @@ do_wildcard_comp({compiled_wildcard,{exists,File}}, Mod) -> {ok,_} -> [File]; _ -> [] end; +do_wildcard_comp({compiled_wildcard,[cwd,Base|Rest]}, Mod) -> + do_wildcard_1([Base], Rest, Mod); do_wildcard_comp({compiled_wildcard,[Base|Rest]}, Mod) -> do_wildcard_1([Base], Rest, Mod). @@ -143,7 +145,11 @@ do_wildcard_comp({compiled_wildcard,{exists,File}}, Cwd, Mod) -> {ok,_} -> [File]; _ -> [] end; -do_wildcard_comp({compiled_wildcard,[current|Rest]}, Cwd0, Mod) -> +do_wildcard_comp({compiled_wildcard,[cwd|Rest0]}, Cwd0, Mod) -> + case Rest0 of + [current|Rest] -> ok; + Rest -> ok + end, {Cwd,PrefixLen} = case filename:join([Cwd0]) of Bin when is_binary(Bin) -> {Bin,byte_size(Bin)+1}; Other -> {Other,length(Other)+1} @@ -264,6 +270,9 @@ ensure_dir(F) -> case do_is_dir(Dir, file) of true -> ok; + false when Dir =:= F -> + %% Protect against infinite loop + {error,einval}; false -> ensure_dir(Dir), case file:make_dir(Dir) of @@ -292,6 +301,8 @@ do_wildcard_2([File|Rest], Pattern, Result, Mod) -> do_wildcard_2([], _, Result, _Mod) -> Result. +do_wildcard_3(Base, [[double_star]|Rest], Result, Mod) -> + lists:sort(do_double_star(current, [Base], Rest, Result, Mod, true)); do_wildcard_3(Base, [Pattern|Rest], Result, Mod) -> case do_list_dir(Base, Mod) of {ok, Files0} -> @@ -325,6 +336,8 @@ wildcard_5([question|Rest1], [_|Rest2]) -> wildcard_5(Rest1, Rest2); wildcard_5([accept], _) -> true; +wildcard_5([double_star], _) -> + true; wildcard_5([star|Rest], File) -> do_star(Rest, File); wildcard_5([{one_of, Ordset}|Rest], [C|File]) -> @@ -345,6 +358,21 @@ wildcard_5([], [_|_]) -> wildcard_5([_|_], []) -> false. +do_double_star(Base, [H|T], Rest, Result, Mod, Root) -> + Full = join(Base, H), + Result1 = case do_list_dir(Full, Mod) of + {ok, Files} -> + do_double_star(Full, Files, Rest, Result, Mod, false); + _ -> Result + end, + Result2 = case Root andalso Rest == [] of + true -> Result1; + false -> do_wildcard_3(Full, Rest, Result1, Mod) + end, + do_double_star(Base, T, Rest, Result2, Mod, Root); +do_double_star(_Base, [], _Rest, Result, _Mod, _Root) -> + Result. + do_star(Pattern, [X|Rest]) -> case wildcard_5(Pattern, [X|Rest]) of true -> true; @@ -380,7 +408,10 @@ compile_wildcard_1(Pattern) -> [Root|Rest] = filename:split(Pattern), case filename:pathtype(Root) of relative -> - compile_wildcard_2([Root|Rest], current); + case compile_wildcard_2([Root|Rest], current) of + {exists,_}=Wc -> Wc; + [_|_]=Wc -> [cwd|Wc] + end; _ -> compile_wildcard_2(Rest, [Root]) end. @@ -413,6 +444,10 @@ compile_part([$}|Rest], true, Result) -> {ok, $}, lists:reverse(Result), Rest}; compile_part([$?|Rest], Upto, Result) -> compile_part(Rest, Upto, [question|Result]); +compile_part([$*,$*], Upto, Result) -> + compile_part([], Upto, [double_star|Result]); +compile_part([$*,$*|Rest], Upto, Result) -> + compile_part(Rest, Upto, [star|Result]); compile_part([$*], Upto, Result) -> compile_part([], Upto, [accept|Result]); compile_part([$*|Rest], Upto, Result) -> |