Dropped record syntax for the option specifications to simplify use from escripts.

This commit is contained in:
Juan Jose Comellas
2009-11-16 19:20:32 -03:00
parent 109d9f5f2a
commit 4b03285d9e
8 changed files with 270 additions and 329 deletions
+13 -50
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@@ -1,6 +1,6 @@
%%%-------------------------------------------------------------------
%%% @author Juan Jose Comellas <jcomellas@novamens.com>
%%% @copyright (C) 2009, Novamens SA (http://www.novamens.com)
%%% @author Juan Jose Comellas <juanjo@comellas.org>
%%% @copyright (C) 2009 Juan Jose Comellas
%%% @doc Example file for the getopt module.
%%% @end
%%%
@@ -9,9 +9,7 @@
%%% retrieved from: http://www.opensource.org/licenses/bsd-license.php
%%%-------------------------------------------------------------------
-module(ex1).
-author('Juan Jose Comellas <jcomellas@novamens.com>').
-include("include/getopt.hrl").
-author('juanjo@comellas.org').
-export([test/0, test/1]).
@@ -26,7 +24,7 @@ test(CmdLine) ->
"getopt:parse/2 returns:~n~n", [CmdLine]),
case getopt:parse(OptSpecList, CmdLine) of
{ok, {Options, NonOptArgs}} ->
io:format("Options:~n ~p~nNon-option arguments:~n ~p~n", [Options, NonOptArgs]);
io:format("Options:~n ~p~n~nNon-option arguments:~n ~p~n", [Options, NonOptArgs]);
{error, {Reason, Data}} ->
io:format("Error: ~s ~p~n~n", [Reason, Data]),
getopt:usage(OptSpecList, "ex1")
@@ -36,48 +34,13 @@ test(CmdLine) ->
option_spec() ->
CurrentUser = os:getenv("USER"),
[
#option{name = help,
short = $?,
long = "help",
help = "Show the program options"
},
#option{name = username,
short = $U,
long = "username",
arg = string,
help = "Username to connect to the database"
},
#option{name = password,
short = $P,
long = "password",
arg = {string, CurrentUser},
help = "Password to connect to the database"
},
#option{name = host,
short = $h,
long = "host",
arg = {string, "localhost"},
help = "Database server host name or IP address"
},
#option{name = port,
short = $p,
long = "port",
arg = {integer, 1000},
help = "Database server port"
},
#option{name = output_file,
short = $o,
long = "output-file",
arg = string,
help = "File where the data will be saved to"
},
#option{name = xml,
short = $x,
long = "xml",
help = "Output data as XML"
},
#option{name = dbname,
arg = string,
help = "Database name"
}
%% {Name, ShortOpt, LongOpt, ArgSpec, HelpMsg}
{help, $?, "help", undefined, "Show the program options"},
{username, $U, "username", string, "Username to connect to the database"},
{password, $P, "password", {string, CurrentUser}, "Password to connect to the database"},
{host, $h, "host", {string, "localhost"}, "Database server host name or IP address"},
{port, $p, "port", {integer, 1000}, "Database server port"},
{output_file, $o, "output-file", string, "File where the data will be saved to"},
{xml, $x, "xml", undefined, "Output data as XML"},
{dbname, undefined, undefined, string, "Database name"}
].
+95 -51
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@@ -1,6 +1,6 @@
%%%-------------------------------------------------------------------
%%% @author Juan Jose Comellas <jcomellas@novamens.com>
%%% @copyright (C) 2009, Novamens SA (http://www.novamens.com)
%%% @author Juan Jose Comellas <juanjo@comellas.org>
%%% @copyright (C) 2009 Juan Jose Comellas
%%% @doc Parses command line options with a format similar to that of GNU getopt.
%%% @end
%%%
@@ -9,19 +9,40 @@
%%% retrieved from: http://www.opensource.org/licenses/bsd-license.php
%%%-------------------------------------------------------------------
-module(getopt).
-author('Juan Jose Comellas <jcomellas@novamens.com>').
-include("getopt.hrl").
%% @headerfile "getopt.hrl"
-author('juanjo@comellas.org').
-define(TAB_LENGTH, 8).
%% Indentation of the help messages in number of tabs.
-define(INDENTATION, 3).
%% @type option() = atom() | {atom(), getopt_arg()}. Option type and optional default argument.
-type option() :: atom() | {atom(), getopt_arg()}.
-define(OPT_NAME, 1).
-define(OPT_SHORT, 2).
-define(OPT_LONG, 3).
-define(OPT_ARG, 4).
-define(OPT_HELP, 5).
-define(IS_OPT_SPEC(Opt), (is_tuple(Opt) andalso (size(Opt) =:= ?OPT_HELP))).
%% @type arg_type() = 'atom' | 'binary' | 'bool' | 'float' | 'integer' | 'string'.
%% Atom indicating the data type that an argument can be converted to.
-type arg_type() :: 'atom' | 'binary' | 'boolean' | 'float' | 'integer' | 'string'.
%% @type arg_value() = atom() | binary() | bool() | float() | integer() | string().
%% Data type that an argument can be converted to.
-type arg_value() :: atom() | binary() | boolean() | float() | integer() | string().
%% @type arg_spec() = arg_type() | {arg_type(), arg_value()} | undefined.
%% Argument specification.
-type arg_spec() :: arg_type() | {arg_type(), arg_value()} | undefined.
%% @type option() = atom() | {atom(), arg_value()}. Option type and optional default argument.
-type option() :: atom() | {atom(), arg_value()}.
%% @type option_spec() = #option{}. Command line option specification.
-type option_spec() :: #option{}.
-type option_spec() :: {
Name :: atom(),
Short :: char() | undefined,
Long :: string() | undefined,
ArgSpec :: arg_spec(),
Help :: string() | undefined
}.
-export([parse/2, usage/2]).
@@ -51,24 +72,24 @@ parse(OptSpecList, CmdLine) ->
{ok, {[option()], [string()]}} | {error, {Reason :: atom(), Data:: any()}}.
%% Process long options.
parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [[$-, $- | LongName] = OptStr | Tail]) ->
{Option, Tail1} = get_option(OptSpecList, OptStr, LongName, #option.long, Tail),
{Option, Tail1} = get_option(OptSpecList, OptStr, LongName, ?OPT_LONG, Tail),
parse(OptSpecList, [Option | OptAcc], ArgAcc, ArgPos, Tail1);
%% Process short options.
parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [[$-, ShortName] = OptStr | Tail]) ->
{Option, Tail1} = get_option(OptSpecList, OptStr, ShortName, #option.short, Tail),
{Option, Tail1} = get_option(OptSpecList, OptStr, ShortName, ?OPT_SHORT, Tail),
parse(OptSpecList, [Option | OptAcc], ArgAcc, ArgPos, Tail1);
%% Process multiple short options with no argument.
parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [[$- | ShortNameList] = OptStr | Tail]) ->
NewOptAcc =
lists:foldl(
fun (ShortName, OptAcc1) ->
[get_option_no_arg(OptSpecList, OptStr, ShortName, #option.short) | OptAcc1]
[get_option_no_arg(OptSpecList, OptStr, ShortName, ?OPT_SHORT) | OptAcc1]
end, OptAcc, ShortNameList),
parse(OptSpecList, NewOptAcc, ArgAcc, ArgPos, Tail);
%% Process non-option arguments.
parse(OptSpecList, OptAcc, ArgAcc, ArgPos, [Arg | Tail]) ->
case find_non_option_arg(OptSpecList, ArgPos) of
{value, #option{} = OptSpec} ->
{value, OptSpec} when ?IS_OPT_SPEC(OptSpec) ->
parse(OptSpecList, [convert_option_arg(OptSpec, Arg) | OptAcc], ArgAcc, ArgPos + 1, Tail);
false ->
parse(OptSpecList, OptAcc, [Arg | ArgAcc], ArgPos, Tail)
@@ -85,7 +106,7 @@ parse(OptSpecList, OptAcc, ArgAcc, _ArgPos, []) ->
%% received on the command line.
get_option(OptSpecList, OptStr, OptName, FieldPos, Tail) ->
case lists:keysearch(OptName, FieldPos, OptSpecList) of
{value, #option{name = Name, arg = ArgSpec} = OptSpec} ->
{value, {Name, _Short, _Long, ArgSpec, _Help} = OptSpec} ->
case ArgSpec of
undefined ->
{Name, Tail};
@@ -106,9 +127,9 @@ get_option(OptSpecList, OptStr, OptName, FieldPos, Tail) ->
%% argument and matches a string received on the command line.
get_option_no_arg(OptSpecList, OptStr, OptName, FieldPos) ->
case lists:keysearch(OptName, FieldPos, OptSpecList) of
{value, #option{name = Name, arg = undefined}} ->
{value, {Name, _Short, _Long, undefined, _Help}} ->
Name;
{value, #option{name = Name}} ->
{value, {Name, _Short, _Long, _ArgSpec, _Help}} ->
throw({error, {missing_option_arg, Name}});
false ->
throw({error, {invalid_option, OptStr}})
@@ -117,9 +138,9 @@ get_option_no_arg(OptSpecList, OptStr, OptName, FieldPos) ->
-spec find_non_option_arg([option_spec()], integer()) -> {value, option_spec()} | false.
%% @doc Find the option for the discrete argument in position specified in the
%% Pos argument.
find_non_option_arg([#option{short = undefined, long = undefined} = Opt | _Tail], 0) ->
{value, Opt};
find_non_option_arg([#option{short = undefined, long = undefined} | Tail], Pos) ->
find_non_option_arg([{_Name, undefined, undefined, _ArgSpec, _Help} = OptSpec | _Tail], 0) ->
{value, OptSpec};
find_non_option_arg([{_Name, undefined, undefined, _ArgSpec, _Help} | Tail], Pos) ->
find_non_option_arg(Tail, Pos - 1);
find_non_option_arg([_Head | Tail], Pos) ->
find_non_option_arg(Tail, Pos);
@@ -129,7 +150,7 @@ find_non_option_arg([], _Pos) ->
-spec append_default_args([option_spec()], [option()]) -> [option()].
%% @doc Appends the default values of the options that are not present.
append_default_args([#option{name = Name, arg = {_Type, DefaultArg}} | Tail], OptAcc) ->
append_default_args([{Name, _Short, _Long, {_Type, DefaultArg}, _Help} | Tail], OptAcc) ->
append_default_args(Tail,
case lists:keymember(Name, 1, OptAcc) of
false ->
@@ -147,7 +168,7 @@ append_default_args([], OptAcc) ->
-spec convert_option_arg(option_spec(), string()) -> [option()].
%% @doc Convert the argument passed in the command line to the data type
%% indicated byt the argument specification.
convert_option_arg(#option{name = Name, arg = ArgSpec}, Arg) ->
convert_option_arg({Name, _Short, _Long, ArgSpec, _Help}, Arg) ->
try
Converted = case ArgSpec of
{Type, _DefaultArg} ->
@@ -161,7 +182,7 @@ convert_option_arg(#option{name = Name, arg = ArgSpec}, Arg) ->
throw({error, {invalid_option_arg, {Name, Arg}}})
end.
-spec to_type(atom(), string()) -> getopt_arg().
-spec to_type(atom(), string()) -> arg_value().
to_type(binary, Arg) ->
list_to_binary(Arg);
to_type(atom, Arg) ->
@@ -196,21 +217,34 @@ usage(OptSpecList, ProgramName) ->
usage_cmd_line(OptSpecList) ->
usage_cmd_line(OptSpecList, []).
%% For options with short form and no argument.
usage_cmd_line([#option{short = Short, arg = undefined} | Tail], Acc) when Short =/= undefined ->
usage_cmd_line(Tail, [[$\s, $[, $-, Short, $]] | Acc]);
%% For options with only long form and no argument.
usage_cmd_line([#option{long = Long, arg = undefined} | Tail], Acc) when Long =/= undefined ->
usage_cmd_line(Tail, [[$\s, $[, $-, $-, Long, $]] | Acc]);
%% For options with short form and argument.
usage_cmd_line([#option{name = Name, short = Short} | Tail], Acc) when Short =/= undefined ->
usage_cmd_line(Tail, [[$\s, $[, $-, Short, $\s, $<, atom_to_list(Name), $>, $]] | Acc]);
%% For options with only long form and argument.
usage_cmd_line([#option{name = Name, long = Long} | Tail], Acc) when Long =/= undefined ->
usage_cmd_line(Tail, [[$\s, $[, $-, $-, Long, $\s, $<, atom_to_list(Name), $>, $]] | Acc]);
%% For options with neither short nor long form and argument.
usage_cmd_line([#option{name = Name, arg = ArgSpec} | Tail], Acc) when ArgSpec =/= undefined ->
usage_cmd_line(Tail, [[$\s, $<, atom_to_list(Name), $>] | Acc]);
usage_cmd_line([{Name, Short, Long, ArgSpec, _Help} | Tail], Acc) ->
CmdLine =
case ArgSpec of
undefined ->
if
%% For options with short form and no argument.
Short =/= undefined ->
[$\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), $>]
end
end,
usage_cmd_line(Tail, [CmdLine | Acc]);
usage_cmd_line([], Acc) ->
lists:flatten(lists:reverse(Acc)).
@@ -221,26 +255,36 @@ usage_cmd_line([], Acc) ->
usage_options(OptSpecList) ->
usage_options(OptSpecList, []).
%% Neither short nor long form (non-option argument).
usage_options([#option{name = Name, short = undefined, long = undefined} = Opt | Tail], Acc) ->
usage_options(Tail, add_option_help(Opt, [$<, atom_to_list(Name), $>], Acc));
%% Only short form.
usage_options([#option{short = Short, long = undefined} = Opt | Tail], Acc) ->
usage_options(Tail, add_option_help(Opt, [$-, Short], Acc));
%% Only long form.
usage_options([#option{short = undefined, long = Long} = Opt | Tail], Acc) ->
usage_options(Tail, add_option_help(Opt, [$-, $-, Long], Acc));
%% Both short and long form.
usage_options([#option{short = Short, long = Long} = Opt | Tail], Acc) ->
usage_options(Tail, add_option_help(Opt, [$-, Short, $,, $\s, $-, $-, Long], Acc));
usage_options([{Name, Short, Long, _ArgSpec, _Help} = OptSpec | Tail], Acc) ->
Prefix =
case Long of
undefined ->
case Short of
%% Neither short nor long form (non-option argument).
undefined ->
[$<, 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(Tail, add_option_help(OptSpec, Prefix, Acc));
usage_options([], Acc) ->
lists:flatten(lists:reverse(Acc)).
-spec add_option_help(option_spec(), Prefix :: string(), Acc :: string()) -> string().
%% @doc Add the help message corresponding to an option specification to a list
%% with the correct indentation.
add_option_help(#option{help = Help}, Prefix, Acc) when is_list(Help), Help =/= [] ->
add_option_help({_Name, _Short, _Long, _ArgSpec, Help}, Prefix, Acc) when is_list(Help), Help =/= [] ->
FlatPrefix = lists:flatten(Prefix),
case ((?INDENTATION * ?TAB_LENGTH) - 2 - length(FlatPrefix)) of
TabSize when TabSize > 0 ->
+66 -137
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@@ -1,6 +1,6 @@
%%%-------------------------------------------------------------------
%%% @author Juan Jose Comellas <jcomellas@novamens.com>
%%% @copyright (C) 2009, Novamens SA (http://www.novamens.com)
%%% @author Juan Jose Comellas <juanjo@comellas.org>
%%% @copyright (C) 2009 Juan Jose Comellas
%%% @doc Parses command line options with a format similar to that of GNU getopt.
%%%
%%% This source file is subject to the New BSD License. You should have received
@@ -9,13 +9,18 @@
%%%-------------------------------------------------------------------
-module(getopt_test).
-author('Juan Jose Comellas <jcomellas@novamens.com>').
-author('juanjo@comellas.org').
-include("getopt.hrl").
-include_lib("eunit/include/eunit.hrl").
-import(getopt, [parse/2, usage/2]).
-define(NAME(Opt), element(1, Opt)).
-define(SHORT(Opt), element(2, Opt)).
-define(LONG(Opt), element(3, Opt)).
-define(ARG_SPEC(Opt), element(4, Opt)).
-define(HELP(Opt), element(5, Opt)).
%%%-------------------------------------------------------------------
%%% UNIT TESTS
@@ -23,98 +28,22 @@
%%% Test for the getopt/1 function
parse_1_test_() ->
Short =
#option{name = short,
short = $a,
help = "Option with only short form and no argument"
},
Short2 =
#option{name = short2,
short = $b,
help = "Second option with only short form and no argument"
},
Short3 =
#option{name = short3,
short = $c,
help = "Third ption with only short form and no argument"
},
ShortArg =
#option{name = short_arg,
short = $d,
arg = string,
help = "Option with only short form and argument"
},
ShortDefArg =
#option{name = short_def_arg,
short = $e,
arg = {string, "default-short"},
help = "Option with only short form and default argument"
},
ShortInt =
#option{name = short_int,
short = $f,
arg = integer,
help = "Option with only short form and integer argument"
},
Long =
#option{name = long,
long = "long",
help = "Option with only long form and no argument"
},
LongArg =
#option{name = long_arg,
long = "long-arg",
arg = string,
help = "Option with only long form and argument"
},
LongDefArg =
#option{name = long_def_arg,
long = "long-def-arg",
arg = {string, "default-long"},
help = "Option with only long form and default argument"
},
LongInt =
#option{name = long_int,
long = "long-int",
arg = integer,
help = "Option with only long form and integer argument"
},
ShortLong =
#option{name = short_long,
short = $g,
long = "short-long",
help = "Option with short form, long form and no argument"
},
ShortLongArg =
#option{name = short_long_arg,
short = $h,
long = "short-long-arg",
arg = string,
help = "Option with short form, long form and argument"
},
ShortLongDefArg =
#option{name = short_long_def_arg,
short = $i,
long = "short-long-def-arg",
arg = {string, "default-short-long"},
help = "Option with short form, long form and default argument"
},
ShortLongInt =
#option{name = short_long_int,
short = $j,
long = "short-long-int",
arg = integer,
help = "Option with short form, long form and integer argument"
},
NonOptArg =
#option{name = non_opt_arg,
help = "Non-option argument"
},
NonOptInt =
#option{name = non_opt_int,
arg = integer,
help = "Non-option integer argument"
},
Short = {short, $a, undefined, undefined, "Option with only short form and no argument"},
Short2 = {short2, $b, undefined, undefined, "Second option with only short form and no argument"},
Short3 = {short3, $c, undefined, undefined, "Third option with only short form and no argument"},
ShortArg = {short_arg, $d, undefined, string, "Option with only short form and argument"},
ShortDefArg = {short_def_arg, $e, undefined, {string, "default-short"}, "Option with only short form and default argument"},
ShortInt = {short_int, $f, undefined, integer, "Option with only short form and integer argument"},
Long = {long, undefined, "long", undefined, "Option with only long form and no argument"},
LongArg = {long_arg, undefined, "long-arg", string, "Option with only long form and argument"},
LongDefArg = {long_def_arg, undefined, "long-def-arg", {string, "default-long"}, "Option with only long form and default argument"},
LongInt = {long_int, undefined, "long-int", integer, "Option with only long form and integer argument"},
ShortLong = {short_long, $g, "short-long", undefined, "Option with short form, long form and no argument"},
ShortLongArg = {short_long_arg, $h, "short-long-arg", string, "Option with short form, long form and argument"},
ShortLongDefArg = {short_long_def_arg, $i, "short-long-def-arg", {string, "default-short-long"}, "Option with short form, long form and default argument"},
ShortLongInt = {short_long_int, $j, "short-long-int", integer, "Option with short form, long form and integer argument"},
NonOptArg = {non_opt_arg, undefined, undefined, undefined, "Non-option argument"},
NonOptInt = {non_opt_int, undefined, undefined, integer, "Non-option integer argument"},
CombinedOptSpecs =
[
Short,
@@ -136,14 +65,14 @@ parse_1_test_() ->
],
CombinedArgs =
[
[$-, Short#option.short],
[$-, ShortArg#option.short], "value1",
[$-, ShortInt#option.short], "100",
[$-, Short2#option.short, Short3#option.short],
[$-, ?SHORT(Short)],
[$-, ?SHORT(ShortArg)], "value1",
[$-, ?SHORT(ShortInt)], "100",
[$-, ?SHORT(Short2), ?SHORT(Short3)],
"--long",
"--long-arg", "value2",
"--long-int", "101",
[$-, ShortLong#option.short],
[$-, ?SHORT(ShortLong)],
"--short-long-arg", "value3",
"--short-long-int", "103",
"value4",
@@ -153,22 +82,22 @@ parse_1_test_() ->
],
CombinedOpts =
[
Short#option.name,
{ShortArg#option.name, "value1"},
{ShortInt#option.name, 100},
Short2#option.name,
Short3#option.name,
Long#option.name,
{LongArg#option.name, "value2"},
{LongInt#option.name, 101},
ShortLong#option.name,
{ShortLongArg#option.name, "value3"},
{ShortLongInt#option.name, 103},
{NonOptArg#option.name, "value4"},
{NonOptInt#option.name, 104},
{ShortDefArg#option.name, "default-short"},
{LongDefArg#option.name, "default-long"},
{ShortLongDefArg#option.name, "default-short-long"}
?NAME(Short),
{?NAME(ShortArg), "value1"},
{?NAME(ShortInt), 100},
?NAME(Short2),
?NAME(Short3),
?NAME(Long),
{?NAME(LongArg), "value2"},
{?NAME(LongInt), 101},
?NAME(ShortLong),
{?NAME(ShortLongArg), "value3"},
{?NAME(ShortLongInt), 103},
{?NAME(NonOptArg), "value4"},
{?NAME(NonOptInt), 104},
{?NAME(ShortDefArg), "default-short"},
{?NAME(LongDefArg), "default-long"},
{?NAME(ShortLongDefArg), "default-short-long"}
],
CombinedRest = ["dummy1", "dummy2"],
@@ -184,41 +113,41 @@ parse_1_test_() ->
{"Unused options and arguments",
?_assertMatch({ok, {[], ["arg1", "arg2"]}}, parse([Short], ["arg1", "arg2"]))},
%% Options with only the short form
{Short#option.help, ?_assertMatch({ok, {[short], []}}, parse([Short], [[$-, Short#option.short]]))},
{ShortArg#option.help, ?_assertMatch({ok, {[{short_arg, "value"}], []}}, parse([ShortArg], [[$-, ShortArg#option.short], "value"]))},
{ShortDefArg#option.help, ?_assertMatch({ok, {[{short_def_arg, "default-short"}], []}}, parse([ShortDefArg], []))},
{ShortInt#option.help, ?_assertMatch({ok, {[{short_int, 100}], []}}, parse([ShortInt], [[$-, ShortInt#option.short], "100"]))},
{?HELP(Short), ?_assertEqual({ok, {[short], []}}, parse([Short], [[$-, ?SHORT(Short)]]))},
{?HELP(ShortArg), ?_assertEqual({ok, {[{short_arg, "value"}], []}}, parse([ShortArg], [[$-, ?SHORT(ShortArg)], "value"]))},
{?HELP(ShortDefArg), ?_assertMatch({ok, {[{short_def_arg, "default-short"}], []}}, parse([ShortDefArg], []))},
{?HELP(ShortInt), ?_assertEqual({ok, {[{short_int, 100}], []}}, parse([ShortInt], [[$-, ?SHORT(ShortInt)], "100"]))},
{"Unsorted multiple short form options and arguments in a single string",
?_assertMatch({ok, {[short, short2, short3], ["arg1", "arg2"]}}, parse([Short, Short2, Short3], "arg1 -abc arg2"))},
{"Short form option and arguments",
?_assertMatch({ok, {[short], ["arg1", "arg2"]}}, parse([Short], [[$-, Short#option.short], "arg1", "arg2"]))},
?_assertMatch({ok, {[short], ["arg1", "arg2"]}}, parse([Short], [[$-, ?SHORT(Short)], "arg1", "arg2"]))},
{"Short form option and arguments (unsorted)",
?_assertMatch({ok, {[short], ["arg1", "arg2"]}}, parse([Short], ["arg1", [$-, Short#option.short], "arg2"]))},
?_assertMatch({ok, {[short], ["arg1", "arg2"]}}, parse([Short], ["arg1", [$-, ?SHORT(Short)], "arg2"]))},
%% Options with only the long form
{Long#option.help, ?_assertMatch({ok, {[long], []}}, parse([Long], ["--long"]))},
{LongArg#option.help, ?_assertMatch({ok, {[{long_arg, "value"}], []}}, parse([LongArg], ["--long-arg", "value"]))},
{LongDefArg#option.help, ?_assertMatch({ok, {[{long_def_arg, "default-long"}], []}}, parse([LongDefArg], []))},
{LongInt#option.help, ?_assertMatch({ok, {[{long_int, 100}], []}}, parse([LongInt], ["--long-int", "100"]))},
{?HELP(Long), ?_assertMatch({ok, {[long], []}}, parse([Long], ["--long"]))},
{?HELP(LongArg), ?_assertMatch({ok, {[{long_arg, "value"}], []}}, parse([LongArg], ["--long-arg", "value"]))},
{?HELP(LongDefArg), ?_assertMatch({ok, {[{long_def_arg, "default-long"}], []}}, parse([LongDefArg], []))},
{?HELP(LongInt), ?_assertMatch({ok, {[{long_int, 100}], []}}, parse([LongInt], ["--long-int", "100"]))},
{"Long form option and arguments",
?_assertMatch({ok, {[long], ["arg1", "arg2"]}}, parse([Long], ["--long", "arg1", "arg2"]))},
{"Long form option and arguments (unsorted)",
?_assertMatch({ok, {[long], ["arg1", "arg2"]}}, parse([Long], ["arg1", "--long", "arg2"]))},
%% Options with both the short and long form
{ShortLong#option.help, ?_assertMatch({ok, {[short_long], []}}, parse([ShortLong], [[$-, ShortLong#option.short]]))},
{ShortLong#option.help, ?_assertMatch({ok, {[short_long], []}}, parse([ShortLong], ["--short-long"]))},
{ShortLongArg#option.help, ?_assertMatch({ok, {[{short_long_arg, "value"}], []}}, parse([ShortLongArg], [[$-, ShortLongArg#option.short], "value"]))},
{ShortLongArg#option.help, ?_assertMatch({ok, {[{short_long_arg, "value"}], []}}, parse([ShortLongArg], ["--short-long-arg", "value"]))},
{ShortLongDefArg#option.help, ?_assertMatch({ok, {[{short_long_def_arg, "default-short-long"}], []}}, parse([ShortLongDefArg], []))},
{ShortLongInt#option.help, ?_assertMatch({ok, {[{short_long_int, 1234}], []}}, parse([ShortLongInt], [[$-, ShortLongInt#option.short], "1234"]))},
{ShortLongInt#option.help, ?_assertMatch({ok, {[{short_long_int, 1234}], []}}, parse([ShortLongInt], ["--short-long-int", "1234"]))},
{?HELP(ShortLong), ?_assertEqual({ok, {[short_long], []}}, parse([ShortLong], [[$-, ?SHORT(ShortLong)]]))},
{?HELP(ShortLong), ?_assertMatch({ok, {[short_long], []}}, parse([ShortLong], ["--short-long"]))},
{?HELP(ShortLongArg), ?_assertEqual({ok, {[{short_long_arg, "value"}], []}}, parse([ShortLongArg], [[$-, ?SHORT(ShortLongArg)], "value"]))},
{?HELP(ShortLongArg), ?_assertMatch({ok, {[{short_long_arg, "value"}], []}}, parse([ShortLongArg], ["--short-long-arg", "value"]))},
{?HELP(ShortLongDefArg), ?_assertMatch({ok, {[{short_long_def_arg, "default-short-long"}], []}}, parse([ShortLongDefArg], []))},
{?HELP(ShortLongInt), ?_assertEqual({ok, {[{short_long_int, 1234}], []}}, parse([ShortLongInt], [[$-, ?SHORT(ShortLongInt)], "1234"]))},
{?HELP(ShortLongInt), ?_assertMatch({ok, {[{short_long_int, 1234}], []}}, parse([ShortLongInt], ["--short-long-int", "1234"]))},
%% Non-option arguments
{NonOptArg#option.help, ?_assertMatch({ok, {[{non_opt_arg, "value"}], []}}, parse([NonOptArg], ["value"]))},
{NonOptInt#option.help, ?_assertMatch({ok, {[{non_opt_int, 1234}], []}}, parse([NonOptInt], ["1234"]))},
{?HELP(NonOptArg), ?_assertMatch({ok, {[{non_opt_arg, "value"}], []}}, parse([NonOptArg], ["value"]))},
{?HELP(NonOptInt), ?_assertMatch({ok, {[{non_opt_int, 1234}], []}}, parse([NonOptInt], ["1234"]))},
{"Declared and undeclared non-option arguments",
?_assertMatch({ok, {[{non_opt_arg, "arg1"}], ["arg2", "arg3"]}}, parse([NonOptArg], ["arg1", "arg2", "arg3"]))},
%% Combined
{"Combined short, long and non-option arguments",
?_assertEqual({ok, {CombinedOpts, CombinedRest}}, parse(CombinedOptSpecs, CombinedArgs))},
{"Option with only short form and invalid integer argument",
?_assertEqual({error, {invalid_option_arg, {ShortInt#option.name, "value"}}}, parse([ShortInt], [[$-, ShortInt#option.short], "value"]))}
?_assertEqual({error, {invalid_option_arg, {?NAME(ShortInt), "value"}}}, parse([ShortInt], [[$-, ?SHORT(ShortInt)], "value"]))}
].