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#!/usr/bin/env escript
main([In]) ->
{ok, File} = file:open(In, [read]),
case io:get_line(File, "") of
eof ->
file:close(File);
Cap ->
io:format("-module(cf_term).~n"),
io:format("-export([has_color/1]).~n"),
Terms = read_lines(File, {parse_name(Cap), ""}, []),
Terms1 = [{T, has_color(Vs, Terms)} || {T, Vs} <- Terms],
[io:format("has_color(~p) -> true;~n", [T]) || {T, true} <- Terms1],
io:format("has_color(_) -> false.~n")
end.
read_lines(File, {H, Acc}, FAcc) ->
case io:get_line(File, "") of
eof ->
file:close(File),
lists:sort([{H, parse_caps(Acc)} | FAcc]);
" " ++ Rest ->
case Acc of
"" ->
read_lines(File, {H, remove_newline(strip_ws(Rest))}, FAcc);
_ ->
read_lines(File, {H, [Acc, " ", remove_newline(strip_ws(Rest))]}, FAcc)
end;
"\t" ++ Rest ->
case Acc of
"" ->
read_lines(File, {H, remove_newline(strip_ws(Rest))}, FAcc);
_ ->
read_lines(File, {H, [Acc, " ", remove_newline(strip_ws(Rest))]}, FAcc)
end;
Cap ->
read_lines(File, {parse_name(Cap), ""}, [{H, parse_caps(Acc)} | FAcc])
end.
has_color([], _Ts) ->
false;
has_color([{colors, _} | _], _Ts) ->
true;
has_color([{use, T} | R], Ts) ->
case orddict:find(T, Ts) of
error ->
has_color(R, Ts);
{ok, V} ->
has_color(V, Ts) orelse
has_color(R, Ts)
end.
remove_newline(S) ->
remove_newline(S, []).
remove_newline("\n", Acc) ->
lists:reverse(Acc);
remove_newline("", Acc) ->
lists:reverse(Acc);
remove_newline([C | R], Acc) ->
remove_newline(R, [C | Acc]).
strip_ws([$\s | R]) ->
strip_ws(R);
strip_ws([$\t | R]) ->
strip_ws(R);
strip_ws(R) ->
R.
filter_caps([]) ->
[];
filter_caps([{colors, _} = C | R]) ->
[C | filter_caps(R)];
filter_caps([{use, _} = C | R]) ->
[C | filter_caps(R)];
filter_caps([_ | R]) ->
filter_caps(R).
remove_colon(S) ->
re:replace(S, ",[\\s\\n\\t]*$", "", [{return,list}]).
parse_name(S) ->
[Term | _Rest] = re:split(remove_colon(S), "\\|", [{return,list}]),
Term.
parse_caps(S) ->
Caps = re:split(remove_colon(S), ",[\\s\\t]+", [{return,list}]),
filter_caps([parse_cap(C, []) || C <- Caps, C =/= ""]).
parse_cap([], Name) ->
list_to_atom(lists:reverse(Name));
parse_cap([$= | V], Name) ->
{list_to_atom(lists:reverse(Name)), V};
parse_cap([$# | V], Name) ->
{list_to_atom(lists:reverse(Name)), list_to_integer(V)};
parse_cap([C | R], Name) ->
parse_cap(R, [ C | Name]).
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