From efbdfbe117939cd50d0252a210b9b7634de42bb4 Mon Sep 17 00:00:00 2001 From: Eric Date: Thu, 9 May 2013 17:04:18 -0700 Subject: Basic file rename from rcl to rlx --- src/rcl_dscv_util.erl | 142 -------------------------------------------------- 1 file changed, 142 deletions(-) delete mode 100644 src/rcl_dscv_util.erl (limited to 'src/rcl_dscv_util.erl') diff --git a/src/rcl_dscv_util.erl b/src/rcl_dscv_util.erl deleted file mode 100644 index 68dcb68..0000000 --- a/src/rcl_dscv_util.erl +++ /dev/null @@ -1,142 +0,0 @@ -%% -*- erlang-indent-level: 4; indent-tabs-mode: nil; fill-column: 80 -*- -%%% Copyright 2012 Erlware, LLC. All Rights Reserved. -%%% -%%% This file is provided to you under the Apache License, -%%% Version 2.0 (the "License"); you may not use this file -%%% except in compliance with the License. You may obtain -%%% a copy of the License at -%%% -%%% http://www.apache.org/licenses/LICENSE-2.0 -%%% -%%% Unless required by applicable law or agreed to in writing, -%%% software distributed under the License is distributed on an -%%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY -%%% KIND, either express or implied. See the License for the -%%% specific language governing permissions and limitations -%%% under the License. -%%%--------------------------------------------------------------------------- -%%% @author Eric Merritt -%%% @copyright (C) 2012 Erlware, LLC. -%%% -%%% @doc This provider uses the lib_dir setting of the state. It searches the -%%% Lib Dirs looking for all OTP Applications that are available. When it finds -%%% those OTP Applications it loads the information about them and adds them to -%%% the state of available apps. This implements the rcl_provider behaviour. --module(rcl_dscv_util). - --export([do/2, - format_error/1]). - --include_lib("relcool/include/relcool.hrl"). - -%%============================================================================ -%% Types -%%============================================================================ - --type process_fun(Result) :: fun((filename:name(), file | directory) -> - {ok, Result} | - {error, term()} | - {ok, Result, Recurse::boolean()} | - {noresult, Recurse::boolean()} | - {error, term()}). - -%%============================================================================ -%% API -%%============================================================================ - -%% @doc recursively dig down into the library directories specified in the state -%% looking for OTP Applications --spec do(process_fun([term()] | term()), [filename:name()]) -> - [term() | {error, term()}]. -do(ProcessDir, LibDirs) -> - lists:flatten(ec_plists:map(fun(LibDir) -> - discover_dir(ProcessDir, LibDir, - ec_file:type(LibDir)) - end, LibDirs)). - --spec format_error([ErrorDetail::term()]) -> iolist(). -format_error(ErrorDetails) - when erlang:is_list(ErrorDetails) -> - [[format_detail(ErrorDetail), "\n"] || ErrorDetail <- ErrorDetails]. - -%%%=================================================================== -%%% Internal Functions -%%%=================================================================== --spec format_detail(ErrorDetail::term()) -> iolist(). -format_detail({accessing, File, eaccess}) -> - io_lib:format("permission denied accessing file ~s", [File]); -format_detail({accessing, File, Type}) -> - io_lib:format("error (~p) accessing file ~s", [Type, File]); -format_detail({not_a_directory, EbinDir}) -> - io_lib:format("~s is not a directory when it should be a directory", [EbinDir]). - --spec discover_dir(process_fun([term()] | term()), - file:name(), - directory | file | symlink) -> - [{ok, term()} - | {error, Reason::term()}] - | [] - | {ok, term()} - | {error, Reason::term()}. -discover_dir(ProcessDir, File, directory) -> - case ProcessDir(File, directory) of - {ok, Result, true} -> - [{ok, Result} | recurse(ProcessDir, File)]; - {noresult, true} -> - recurse(ProcessDir, File); - {ok, Result, _} -> - [{ok, Result}]; - {noresult, _} -> - []; - Err = {error, _} -> - [Err] - end; -discover_dir(ProcessDir, File, file) -> - case ProcessDir(File, file) of - {ok, Result} -> - [{ok, Result}]; - {noresult, _} -> - []; - Err = {error, _} -> - [Err] - end; -discover_dir(ProcessDir, File, symlink) -> - case filelib:is_dir(File) of - false -> - discover_dir(ProcessDir, File, file); - true -> - discover_real_symlink_dir(ProcessDir, File) - end. - -discover_real_symlink_dir(ProcessDir, File) -> - {ok, CurCwd} = file:get_cwd(), - ok = file:set_cwd(File), - {ok, ActualRealDir} = file:get_cwd(), - ok = file:set_cwd(CurCwd), - lists:prefix(iolist_to_list(filename:absname(ActualRealDir)), - iolist_to_list(filename:absname(File))), - case ProcessDir(File, directory) of - {ok, Result, true} -> - [{ok, Result} | recurse(ProcessDir, File)]; - {noresult, true} -> - recurse(ProcessDir, File); - {ok, Result, _} -> - [{ok, Result}]; - {noresult, _} -> - []; - Err = {error, _} -> - [Err] - end. - -recurse(ProcessDir, File) -> - case file:list_dir(File) of - {error, Reason} -> - {error, {accessing, File, Reason}}; - {ok, List} -> - ec_plists:map(fun(LibDir) -> - discover_dir(ProcessDir, LibDir, ec_file:type(LibDir)) - end, [filename:join([File, Dir]) || Dir <- List]) - end. - -iolist_to_list(IoList) -> - erlang:binary_to_list(erlang:iolist_to_binary(IoList)). -- cgit v1.2.3