537 lines
21 KiB
Diff
537 lines
21 KiB
Diff
From b2673b1ffc3b12652adef9f6453bca2b86247cad Mon Sep 17 00:00:00 2001
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From: Peter Lemenkov <lemenkov@gmail.com>
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Date: Sat, 20 Nov 2010 16:40:15 +0300
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Subject: [PATCH 3/3] Remove bundled getopt
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Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
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---
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ebin/rebar.app | 3 +-
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src/getopt.erl | 501 --------------------------------------------------------
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2 files changed, 1 insertions(+), 503 deletions(-)
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delete mode 100644 src/getopt.erl
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diff --git a/ebin/rebar.app b/ebin/rebar.app
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index 75aaec1..8589819 100644
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--- a/ebin/rebar.app
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+++ b/ebin/rebar.app
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@@ -32,8 +32,7 @@
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rebar_subdirs,
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rebar_templater,
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rebar_utils,
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- rebar_xref,
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- getopt ]},
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+ rebar_xref ]},
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{registered, []},
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{applications, [kernel,
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stdlib,
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diff --git a/src/getopt.erl b/src/getopt.erl
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deleted file mode 100644
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index bb7fae2..0000000
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--- a/src/getopt.erl
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+++ /dev/null
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@@ -1,501 +0,0 @@
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-%%%-------------------------------------------------------------------
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-%%% @author Juan Jose Comellas <juanjo@comellas.org>
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-%%% @copyright (C) 2009 Juan Jose Comellas
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-%%% @doc Parses command line options with a format similar to that of GNU getopt.
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-%%% @end
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-%%%
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-%%% This source file is subject to the New BSD License. You should have received
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-%%% a copy of the New BSD license with this software. If not, it can be
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-%%% retrieved from: http://www.opensource.org/licenses/bsd-license.php
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-%%%-------------------------------------------------------------------
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--module(getopt).
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--author('juanjo@comellas.org').
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-
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--export([parse/2, usage/2, usage/3, usage/4]).
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-
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-
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--define(TAB_LENGTH, 8).
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-%% Indentation of the help messages in number of tabs.
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--define(INDENTATION, 3).
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-
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-%% Position of each field in the option specification tuple.
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--define(OPT_NAME, 1).
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--define(OPT_SHORT, 2).
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--define(OPT_LONG, 3).
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--define(OPT_ARG, 4).
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--define(OPT_HELP, 5).
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-
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--define(IS_OPT_SPEC(Opt), (tuple_size(Opt) =:= ?OPT_HELP)).
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-
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-
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-%% Atom indicating the data type that an argument can be converted to.
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--type arg_type() :: 'atom' | 'binary' | 'boolean' | 'float' | 'integer' | 'string'.
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-%% Data type that an argument can be converted to.
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--type arg_value() :: atom() | binary() | boolean() | float() | integer() | string().
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-%% Argument specification.
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--type arg_spec() :: arg_type() | {arg_type(), arg_value()} | undefined.
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-%% Option type and optional default argument.
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--type simple_option() :: atom().
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--type compound_option() :: {atom(), arg_value()}.
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--type option() :: simple_option() | compound_option().
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-%% Command line option specification.
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--type option_spec() :: {
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- Name :: atom(),
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- Short :: char() | undefined,
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- Long :: string() | undefined,
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- ArgSpec :: arg_spec(),
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- Help :: string() | undefined
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- }.
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-
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-
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-%% @doc Parse the command line options and arguments returning a list of tuples
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-%% and/or atoms using the Erlang convention for sending options to a
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-%% function.
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--spec parse([option_spec()], string() | [string()]) ->
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- {ok, {[option()], [string()]}} | {error, {Reason :: atom(), Data :: any()}}.
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-parse(OptSpecList, CmdLine) ->
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- try
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- Args = if
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- is_integer(hd(CmdLine)) ->
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- string:tokens(CmdLine, " \t\n");
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- true ->
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- CmdLine
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- end,
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- parse(OptSpecList, [], [], 0, Args)
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- catch
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- throw: {error, {_Reason, _Data}} = Error ->
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- Error
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- end.
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-
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-
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--spec parse([option_spec()], [option()], [string()], integer(), [string()]) ->
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- {ok, {[option()], [string()]}}.
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-%% Process the option terminator.
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-parse(OptSpecList, OptAcc, ArgAcc, _ArgPos, ["--" | Tail]) ->
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- % Any argument present after the terminator is not considered an option.
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- {ok, {lists:reverse(append_default_options(OptSpecList, OptAcc)), lists:reverse(ArgAcc, Tail)}};
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-%% Process long options.
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-parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [[$-, $- | OptArg] = OptStr | Tail]) ->
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- parse_option_long(OptSpecList, OptAcc, ArgAcc, ArgPos, Tail, OptStr, OptArg);
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-%% Process short options.
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-parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [[$- | [_Char | _] = OptArg] = OptStr | Tail]) ->
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- parse_option_short(OptSpecList, OptAcc, ArgAcc, ArgPos, Tail, OptStr, OptArg);
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-%% Process non-option arguments.
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-parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [Arg | Tail]) ->
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- case find_non_option_arg(OptSpecList, ArgPos) of
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- {value, OptSpec} when ?IS_OPT_SPEC(OptSpec) ->
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- parse(OptSpecList, [convert_option_arg(OptSpec, Arg) | OptAcc],
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- ArgAcc, ArgPos + 1, Tail);
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- false ->
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- parse(OptSpecList, OptAcc, [Arg | ArgAcc], ArgPos, Tail)
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- end;
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-parse(OptSpecList, OptAcc, ArgAcc, _ArgPos, []) ->
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- % Once we have completed gathering the options we add the ones that were
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- % not present but had default arguments in the specification.
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- {ok, {lists:reverse(append_default_options(OptSpecList, OptAcc)), lists:reverse(ArgAcc)}}.
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-
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-
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-%% @doc Parse a long option, add it to the option accumulator and continue
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-%% parsing the rest of the arguments recursively.
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-%% A long option can have the following syntax:
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-%% --foo Single option 'foo', no argument
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-%% --foo=bar Single option 'foo', argument "bar"
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-%% --foo bar Single option 'foo', argument "bar"
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--spec parse_option_long([option_spec()], [option()], [string()], integer(), [string()], string(), string()) ->
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- {ok, {[option()], [string()]}}.
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-parse_option_long(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptStr, OptArg) ->
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- case split_assigned_arg(OptArg) of
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- {Long, Arg} ->
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- % Get option that has its argument within the same string
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- % separated by an equal ('=') character (e.g. "--port=1000").
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- parse_option_assigned_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptStr, Long, Arg);
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-
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- Long ->
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- case lists:keysearch(Long, ?OPT_LONG, OptSpecList) of
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- {value, {Name, _Short, Long, undefined, _Help}} ->
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- parse(OptSpecList, [Name | OptAcc], ArgAcc, ArgPos, Args);
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-
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- {value, {_Name, _Short, Long, _ArgSpec, _Help} = OptSpec} ->
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- % The option argument string is empty, but the option requires
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- % an argument, so we look into the next string in the list.
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- parse_option_next_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptSpec);
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- false ->
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- throw({error, {invalid_option, OptStr}})
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- end
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- end.
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-
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-
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-%% @doc Parse an option where the argument is 'assigned' in the same string using
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-%% the '=' character, add it to the option accumulator and continue parsing the
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-%% rest of the arguments recursively. This syntax is only valid for long options.
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--spec parse_option_assigned_arg([option_spec()], [option()], [string()], integer(),
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- [string()], string(), string(), string()) ->
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- {ok, {[option()], [string()]}}.
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-parse_option_assigned_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptStr, Long, Arg) ->
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- case lists:keysearch(Long, ?OPT_LONG, OptSpecList) of
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- {value, {_Name, _Short, Long, ArgSpec, _Help} = OptSpec} ->
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- case ArgSpec of
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- undefined ->
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- throw({error, {invalid_option_arg, OptStr}});
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- _ ->
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- parse(OptSpecList, [convert_option_arg(OptSpec, Arg) | OptAcc], ArgAcc, ArgPos, Args)
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- end;
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- false ->
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- throw({error, {invalid_option, OptStr}})
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- end.
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-
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-
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-%% @doc Split an option string that may contain an option with its argument
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-%% separated by an equal ('=') character (e.g. "port=1000").
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--spec split_assigned_arg(string()) -> {Name :: string(), Arg :: string()} | string().
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-split_assigned_arg(OptStr) ->
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- split_assigned_arg(OptStr, OptStr, []).
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-
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-split_assigned_arg(_OptStr, [$= | Tail], Acc) ->
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- {lists:reverse(Acc), Tail};
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-split_assigned_arg(OptStr, [Char | Tail], Acc) ->
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- split_assigned_arg(OptStr, Tail, [Char | Acc]);
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-split_assigned_arg(OptStr, [], _Acc) ->
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- OptStr.
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-
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-
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-%% @doc Parse a short option, add it to the option accumulator and continue
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-%% parsing the rest of the arguments recursively.
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-%% A short option can have the following syntax:
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-%% -a Single option 'a', no argument or implicit boolean argument
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-%% -a foo Single option 'a', argument "foo"
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-%% -afoo Single option 'a', argument "foo"
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-%% -abc Multiple options: 'a'; 'b'; 'c'
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-%% -bcafoo Multiple options: 'b'; 'c'; 'a' with argument "foo"
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--spec parse_option_short([option_spec()], [option()], [string()], integer(), [string()], string(), string()) ->
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- {ok, {[option()], [string()]}}.
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-parse_option_short(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptStr, [Short | Arg]) ->
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- case lists:keysearch(Short, ?OPT_SHORT, OptSpecList) of
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- {value, {Name, Short, _Long, undefined, _Help}} ->
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- parse_option_short(OptSpecList, [Name | OptAcc], ArgAcc, ArgPos, Args, OptStr, Arg);
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-
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- {value, {_Name, Short, _Long, ArgSpec, _Help} = OptSpec} ->
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- case Arg of
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- [] ->
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- % The option argument string is empty, but the option requires
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- % an argument, so we look into the next string in the list.
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- parse_option_next_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, OptSpec);
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-
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- _ ->
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- case is_valid_arg(ArgSpec, Arg) of
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- true ->
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- parse(OptSpecList, [convert_option_arg(OptSpec, Arg) | OptAcc], ArgAcc, ArgPos, Args);
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- _ ->
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- parse_option_short(OptSpecList, [convert_option_no_arg(OptSpec) | OptAcc], ArgAcc, ArgPos, Args, OptStr, Arg)
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- end
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- end;
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-
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- false ->
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- throw({error, {invalid_option, OptStr}})
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- end;
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-parse_option_short(OptSpecList, OptAcc, ArgAcc, ArgPos, Args, _OptStr, []) ->
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- parse(OptSpecList, OptAcc, ArgAcc, ArgPos, Args).
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-
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-
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-%% @doc Retrieve the argument for an option from the next string in the list of
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-%% command-line parameters.
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-parse_option_next_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, [Arg | Tail] = Args, {Name, _Short, _Long, ArgSpec, _Help} = OptSpec) ->
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- % Special case for booleans: when the next string is an option we assume
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- % the value is 'true'.
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- case (arg_spec_type(ArgSpec) =:= boolean) andalso not is_boolean_arg(Arg) of
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- true ->
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- parse(OptSpecList, [{Name, true} | OptAcc], ArgAcc, ArgPos, Args);
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- _ ->
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- parse(OptSpecList, [convert_option_arg(OptSpec, Arg) | OptAcc], ArgAcc, ArgPos, Tail)
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- end;
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-parse_option_next_arg(OptSpecList, OptAcc, ArgAcc, ArgPos, [] = Args, {Name, _Short, _Long, ArgSpec, _Help}) ->
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- % Special case for booleans: when the next string is missing we assume the
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- % value is 'true'.
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- case arg_spec_type(ArgSpec) of
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- boolean ->
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- parse(OptSpecList, [{Name, true} | OptAcc], ArgAcc, ArgPos, Args);
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- _ ->
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- throw({error, {missing_option_arg, Name}})
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- end.
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-
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-
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-%% @doc Find the option for the discrete argument in position specified in the
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-%% Pos argument.
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--spec find_non_option_arg([option_spec()], integer()) -> {value, option_spec()} | false.
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-find_non_option_arg([{_Name, undefined, undefined, _ArgSpec, _Help} = OptSpec | _Tail], 0) ->
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- {value, OptSpec};
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-find_non_option_arg([{_Name, undefined, undefined, _ArgSpec, _Help} | Tail], Pos) ->
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- find_non_option_arg(Tail, Pos - 1);
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-find_non_option_arg([_Head | Tail], Pos) ->
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- find_non_option_arg(Tail, Pos);
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-find_non_option_arg([], _Pos) ->
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- false.
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-
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-
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-%% @doc Append options that were not present in the command line arguments with
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-%% their default arguments.
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--spec append_default_options([option_spec()], [option()]) -> [option()].
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-append_default_options([{Name, _Short, _Long, {_Type, DefaultArg}, _Help} | Tail], OptAcc) ->
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- append_default_options(Tail,
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- case lists:keymember(Name, 1, OptAcc) of
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- false ->
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- [{Name, DefaultArg} | OptAcc];
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- _ ->
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- OptAcc
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- end);
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-%% For options with no default argument.
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-append_default_options([_Head | Tail], OptAcc) ->
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- append_default_options(Tail, OptAcc);
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-append_default_options([], OptAcc) ->
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- OptAcc.
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-
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-
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--spec convert_option_no_arg(option_spec()) -> compound_option().
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-convert_option_no_arg({Name, _Short, _Long, ArgSpec, _Help}) ->
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- case ArgSpec of
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- % Special case for booleans: if there is no argument we assume
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- % the value is 'true'.
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- {boolean, _DefaultValue} ->
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- {Name, true};
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- boolean ->
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- {Name, true};
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- _ ->
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- throw({error, {missing_option_arg, Name}})
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- end.
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-
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-
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-%% @doc Convert the argument passed in the command line to the data type
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-%% indicated by the argument specification.
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--spec convert_option_arg(option_spec(), string()) -> compound_option().
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-convert_option_arg({Name, _Short, _Long, ArgSpec, _Help}, Arg) ->
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- try
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- {Name, to_type(arg_spec_type(ArgSpec), Arg)}
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- catch
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- error:_ ->
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- throw({error, {invalid_option_arg, {Name, Arg}}})
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- end.
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-
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-
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-%% @doc Retrieve the data type form an argument specification.
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--spec arg_spec_type(arg_spec()) -> arg_type() | undefined.
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-arg_spec_type({Type, _DefaultArg}) ->
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- Type;
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-arg_spec_type(Type) when is_atom(Type) ->
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- Type.
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-
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-
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-%% @doc Convert an argument string to its corresponding data type.
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--spec to_type(arg_type(), string()) -> arg_value().
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-to_type(binary, Arg) ->
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- list_to_binary(Arg);
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-to_type(atom, Arg) ->
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- list_to_atom(Arg);
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-to_type(integer, Arg) ->
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- list_to_integer(Arg);
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-to_type(float, Arg) ->
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- list_to_float(Arg);
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-to_type(boolean, Arg) ->
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- LowerArg = string:to_lower(Arg),
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- case is_arg_true(LowerArg) of
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- true ->
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- true;
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- _ ->
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- case is_arg_false(LowerArg) of
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- true ->
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- false;
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- false ->
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- erlang:error(badarg)
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- end
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- end;
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-to_type(_Type, Arg) ->
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- Arg.
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-
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-
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--spec is_arg_true(string()) -> boolean().
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-is_arg_true(Arg) ->
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- (Arg =:= "true") orelse (Arg =:= "t") orelse
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- (Arg =:= "yes") orelse (Arg =:= "y") orelse
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- (Arg =:= "on") orelse (Arg =:= "enabled") orelse
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- (Arg =:= "1").
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-
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-
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--spec is_arg_false(string()) -> boolean().
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-is_arg_false(Arg) ->
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- (Arg =:= "false") orelse (Arg =:= "f") orelse
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- (Arg =:= "no") orelse (Arg =:= "n") orelse
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- (Arg =:= "off") orelse (Arg =:= "disabled") orelse
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- (Arg =:= "0").
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-
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-
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--spec is_valid_arg(arg_spec(), nonempty_string()) -> boolean().
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-is_valid_arg({Type, _DefaultArg}, Arg) ->
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- is_valid_arg(Type, Arg);
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-is_valid_arg(boolean, Arg) ->
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- is_boolean_arg(Arg);
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-is_valid_arg(integer, Arg) ->
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- is_integer_arg(Arg);
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-is_valid_arg(float, Arg) ->
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- is_float_arg(Arg);
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-is_valid_arg(_Type, _Arg) ->
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- true.
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-
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-
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--spec is_boolean_arg(string()) -> boolean().
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-is_boolean_arg(Arg) ->
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- LowerArg = string:to_lower(Arg),
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- is_arg_true(LowerArg) orelse is_arg_false(LowerArg).
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-
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-
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--spec is_integer_arg(string()) -> boolean().
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-is_integer_arg([Head | Tail]) when Head >= $0, Head =< $9 ->
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- is_integer_arg(Tail);
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-is_integer_arg([_Head | _Tail]) ->
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- false;
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-is_integer_arg([]) ->
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- true.
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-
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-
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--spec is_float_arg(string()) -> boolean().
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-is_float_arg([Head | Tail]) when (Head >= $0 andalso Head =< $9) orelse Head =:= $. ->
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- is_float_arg(Tail);
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-is_float_arg([_Head | _Tail]) ->
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- false;
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-is_float_arg([]) ->
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- true.
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-
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-
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-%% @doc Show a message on stdout indicating the command line options and
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-%% arguments that are supported by the program.
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--spec usage([option_spec()], string()) -> ok.
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-usage(OptSpecList, ProgramName) ->
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- io:format("Usage: ~s~s~n~n~s~n",
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- [ProgramName, usage_cmd_line(OptSpecList), usage_options(OptSpecList)]).
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-
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-
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-%% @doc Show a message on stdout indicating the command line options and
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-%% arguments that are supported by the program. The CmdLineTail argument
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-%% is a string that is added to the end of the usage command line.
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--spec usage([option_spec()], string(), string()) -> ok.
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-usage(OptSpecList, ProgramName, CmdLineTail) ->
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- io:format("Usage: ~s~s ~s~n~n~s~n",
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- [ProgramName, usage_cmd_line(OptSpecList), CmdLineTail, usage_options(OptSpecList)]).
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-
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-
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-%% @doc Show a message on stdout indicating the command line options and
|
|
-%% arguments that are supported by the program. The CmdLineTail and OptionsTail
|
|
-%% arguments are a string that is added to the end of the usage command line
|
|
-%% and a list of tuples that are added to the end of the options' help lines.
|
|
--spec usage([option_spec()], string(), string(), [{string(), string()}]) -> ok.
|
|
-usage(OptSpecList, ProgramName, CmdLineTail, OptionsTail) ->
|
|
- UsageOptions = lists:foldl(
|
|
- fun ({Prefix, Help}, Acc) ->
|
|
- add_option_help(Prefix, Help, Acc)
|
|
- end, usage_options_reverse(OptSpecList, []), OptionsTail),
|
|
- io:format("Usage: ~s~s ~s~n~n~s~n",
|
|
- [ProgramName, usage_cmd_line(OptSpecList), CmdLineTail,
|
|
- lists:flatten(lists:reverse(UsageOptions))]).
|
|
-
|
|
-
|
|
-%% @doc Return a string with the syntax for the command line options and
|
|
-%% arguments.
|
|
--spec usage_cmd_line([option_spec()]) -> string().
|
|
-usage_cmd_line(OptSpecList) ->
|
|
- usage_cmd_line(OptSpecList, []).
|
|
-
|
|
-usage_cmd_line([{Name, Short, Long, ArgSpec, _Help} | Tail], Acc) ->
|
|
- CmdLine =
|
|
- case ArgSpec of
|
|
- undefined ->
|
|
- if
|
|
- % For options with short form and no argument.
|
|
- Short =/= undefined ->
|
|
- [$\s, $[, $-, Short, $]];
|
|
- % For options with only long form and no argument.
|
|
- Long =/= undefined ->
|
|
- [$\s, $[, $-, $-, Long, $]];
|
|
- true ->
|
|
- []
|
|
- end;
|
|
- _ ->
|
|
- if
|
|
- % For options with short form and argument.
|
|
- Short =/= undefined ->
|
|
- [$\s, $[, $-, Short, $\s, $<, atom_to_list(Name), $>, $]];
|
|
- % For options with only long form and argument.
|
|
- Long =/= undefined ->
|
|
- [$\s, $[, $-, $-, Long, $\s, $<, atom_to_list(Name), $>, $]];
|
|
- % For options with neither short nor long form and argument.
|
|
- true ->
|
|
- [$\s, $<, atom_to_list(Name), $>]
|
|
- end
|
|
- end,
|
|
- usage_cmd_line(Tail, [CmdLine | Acc]);
|
|
-usage_cmd_line([], Acc) ->
|
|
- lists:flatten(lists:reverse(Acc)).
|
|
-
|
|
-
|
|
-%% @doc Return a string with the help message for each of the options and
|
|
-%% arguments.
|
|
--spec usage_options([option_spec()]) -> string().
|
|
-usage_options(OptSpecList) ->
|
|
- lists:flatten(lists:reverse(usage_options_reverse(OptSpecList, []))).
|
|
-
|
|
-usage_options_reverse([{Name, Short, Long, _ArgSpec, Help} | Tail], Acc) ->
|
|
- Prefix =
|
|
- case Long of
|
|
- undefined ->
|
|
- case Short of
|
|
- % Neither short nor long form (non-option argument).
|
|
- undefined ->
|
|
- [$<, atom_to_list(Name), $>];
|
|
- % Only short form.
|
|
- _ ->
|
|
- [$-, Short]
|
|
- end;
|
|
- _ ->
|
|
- case Short of
|
|
- % Only long form.
|
|
- undefined ->
|
|
- [$-, $- | Long];
|
|
- % Both short and long form.
|
|
- _ ->
|
|
- [$-, Short, $,, $\s, $-, $- | Long]
|
|
- end
|
|
- end,
|
|
- usage_options_reverse(Tail, add_option_help(Prefix, Help, Acc));
|
|
-usage_options_reverse([], Acc) ->
|
|
- Acc.
|
|
-
|
|
-
|
|
-%% @doc Add the help message corresponding to an option specification to a list
|
|
-%% with the correct indentation.
|
|
--spec add_option_help(Prefix :: string(), Help :: string(), Acc :: string()) -> string().
|
|
-add_option_help(Prefix, Help, Acc) when is_list(Help), Help =/= [] ->
|
|
- FlatPrefix = lists:flatten(Prefix),
|
|
- case ((?INDENTATION * ?TAB_LENGTH) - 2 - length(FlatPrefix)) of
|
|
- TabSize when TabSize > 0 ->
|
|
- Tab = lists:duplicate(ceiling(TabSize / ?TAB_LENGTH), $\t),
|
|
- [[$\s, $\s, FlatPrefix, Tab, Help, $\n] | Acc];
|
|
- _ ->
|
|
- % The indentation for the option description is 3 tabs (i.e. 24 characters)
|
|
- % IMPORTANT: Change the number of tabs below if you change the
|
|
- % value of the INDENTATION macro.
|
|
- [[$\t, $\t, $\t, Help, $\n], [$\s, $\s, FlatPrefix, $\n] | Acc]
|
|
- end;
|
|
-add_option_help(_Opt, _Prefix, Acc) ->
|
|
- Acc.
|
|
-
|
|
-
|
|
-
|
|
-%% @doc Return the smallest integral value not less than the argument.
|
|
--spec ceiling(float()) -> integer().
|
|
-ceiling(X) ->
|
|
- T = erlang:trunc(X),
|
|
- case (X - T) of
|
|
- % Neg when Neg < 0 ->
|
|
- % T;
|
|
- Pos when Pos > 0 ->
|
|
- T + 1;
|
|
- _ ->
|
|
- T
|
|
- end.
|
|
--
|
|
1.7.2.3
|
|
|