%% Copyright (c) 2018, Loïc Hoguin <essen@ninenines.eu>
%%
%% Permission to use, copy, modify, and/or distribute this software for any
%% purpose with or without fee is hereby granted, provided that the above
%% copyright notice and this permission notice appear in all copies.
%%
%% THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
%% WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
%% MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
%% ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
%% WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
%% ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
%% OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

%% The purpose of this pass is to transform elements based
%% on the style given in their attributes.
-module(asciideck_transform_pass).

-export([run/1]).

run([]) ->
	[];
%% The following syntax gets converted in the corresponding
%% listing_block element:
%%
%% [source,erlang]
%% f() -> ok.
%%
%% @todo We should not totally overwrite subs.
run([{paragraph, Attrs=#{1 := <<"source">>}, Text, Ann}|Tail]) ->
	[{listing_block, Attrs#{<<"subs">> => <<"verbatim">>}, Text, Ann}|run(Tail)];
run([Block|Tail]) ->
	[Block|run(Tail)].