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% Kale Ewasiuk (kalekje@gmail.com)
% 2021-12-20
% Copyright (C) 2021 Kale Ewasiuk
%
% Permission is hereby granted, free of charge, to any person obtaining a copy
% of this software and associated documentation files (the "Software"), to deal
% in the Software without restriction, including without limitation the rights
% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
% copies of the Software, and to permit persons to whom the Software is
% furnished to do so, subject to the following conditions:
%
% The above copyright notice and this permission notice shall be included in
% all copies or substantial portions of the Software.
%
% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
% ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
% TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
% PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT
% SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
% ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
% ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
% OR OTHER DEALINGS IN THE SOFTWARE.


\ProvidesPackage{autopuncitems}[2021-12-20]

\RequirePackage{enumitem}
\RequirePackage{luacode}

\luadirect{autopuncitems = require'autopuncitems'}

\newcommand{\APomit}{} % blank flag used in '\item' to hide it from counting and auto
\newcommand{\APpass}{} % blank flag used in '\item', autopunc is skipped, but count is still

\newcommand{\disableAPautopassnest}{\luadirect{autopuncitems.autopassnested = false}}
\newcommand{\enableAPautopassnest}{\luadirect{autopuncitems.autopassnested = true}}

\NewDocumentCommand{\setAPeach}{m m m}{\setAPdef{#1}\setAPseclast{#2}\setAPlast{#3}} % set each one, default, second last, last
\NewDocumentCommand{\setAPall}{m}{\setAPdef{#1}\setAPseclast{#1}\setAPlast{#1}} % set all the same
\NewDocumentCommand{\setAPdef}{m}{\luadirect{autopuncitems.punc[0] = \luastring{#1}}} % default punc value
\NewDocumentCommand{\setAPlast}{m}{\luadirect{autopuncitems.punc[1] = \luastring{#1}}} % second last punc value
\NewDocumentCommand{\setAPseclast}{m}{\luadirect{autopuncitems.punc[2] = \luastring{#1}}} % final punc value

\NewDocumentEnvironment{AutoPuncItemize}{ +b }{
%   \luadirect{texio.write_nl('auto >>>'..autopuncitems.go(\luastringN{#1}))}
   \luadirect{tex.print(autopuncitems.go(\luastringN{#1}))}
}{}

\SetEnumitemKey{autopunc}{
    first*=\expandafter\AutoPuncItemize,
    after=\endAutoPuncItemize,
}