% !TeX root = ../easyfloats.tex

% Copyright © 2020 E. Zöllner
% Alternatively to the terms of the LPPL, at your choice,
% you can redistribute and/or modify this file under the
% terms of the Do What The Fuck You Want To Public License, Version 2,
% as published by Sam Hocevar. See http://www.wtfpl.net/about/.

% Links all \cmd, \env and \handler to the corresponding \Describe*.
% Links all \pkg to a reference defined with \newurllink (see link.tex)
% Defines \pkgoptndoc to document package otions and links all \pkgoptn to it.
%
% \pkgoptndoc{<packageoption>}
% \pkgoptndoc*{<packageoption>}
% The starred version is for default package options.
% The non-starred version is for options disabled by default.
% Empty lines before a \pkgoptndoc are relevant:
% Without an empty line they are considered to belong together.
% With an empty line they do not and \pkgoptndoc@afterpar is inserted as separator.
% A list of \pkgoptndoc must be closed with \endpkgoptndoc.
%
% Defines
%     \NoDescribeMacro{<cs>}
%     \NoDescribeEnv{<environment>}
% to declare undescribed control sequences or environments
% which shall not produce a warning when being referenced.
%
% Warning: \cmd and \DescribeMacro are not intended for use with control characters.
%
% depends on
%     \NewKeyword[\unexpanded]{<keywordtype>}{<keyword>}{<formatmacro-bg>}{<formatmacro-fg>}{<text>}
%     \NoKeyword{<keywordtype>}{<keyword>}{<formatmacro-bg>}{<formatmacro-fg>}
%     \LinkKeyword{<keywordtype>}{<keyword>}<formatmacro-bg><formatmacro-fg>{<text>}
% from preamble/keydoc.tex

\makeatletter

% --------- \cmd & \(No)DescribeMacro ----------

\newcommand{\DlCmdLabelName}[1]{\detokenize{#1}}
\newcommand{\Cmd}[1]{\expandafter{\detokenize{#1}\unskip}}
\newcommand{\CmdBg}{\formatcode}
\let\DlOriginalDescribeMacro=\DescribeMacro
\renewcommand{\DescribeMacro}[1]{%
	\begingroup
	\def\cmd##1{\formatcodeinmarginpar{\Cmd{##1}}}%
	\DlOriginalDescribeMacro{#1}%
	\endgroup
	\NewKeyword[\unexpanded]{cs}{\DlCmdLabelName{#1}}{\CmdBg}{\Cmd}{}%
	\AbbrevKeyword[\unexpanded]{}{\DlCmdLabelName{#1}} {cs}{\DlCmdLabelName{#1}}%
	\ignorespaces
}
\newcommand{\NoDescribeMacro}[1]{%
	\NoKeyword[\unexpanded]{cs}{\DlCmdLabelName{#1}}{\CmdBg}{\Cmd}%
	\AbbrevKeyword[\unexpanded]{}{\DlCmdLabelName{#1}} {cs}{\DlCmdLabelName{#1}}%
	\ignorespaces
}
\renewrobustcmd{\cmd}[1]{%
	\LinkKeyword{cs}{\detokenize{#1}}\CmdBg\Cmd{#1}%
}


% --------- \env & \(No)DescribeEnv ----------

\let\DlOriginalDescribeEnv=\DescribeEnv
\renewcommand{\DescribeEnv}[1]{%
	\DlOriginalDescribeEnv{#1}%
	\NewKeyword{env}{#1}{\DlEnvBg}{\DlOriginalEnv}{}%
	\AbbrevKeyword{}{#1} {env}{#1}%
	\ignorespaces
}
\newcommand{\NoDescribeEnv}[1]{%
	\NoKeyword{env}{#1}{\DlEnvBg}{\DlOriginalEnv}%
	\AbbrevKeyword{}{#1} {env}{#1}%
	\ignorespaces
}
\let\DlOriginalEnv=\env
\renewcommand{\env}[1]{\LinkKeyword{env}{#1}\DlEnvBg\DlOriginalEnv{#1}}
\newcommand{\DlEnvBg}{\formatcode}


% --------- \handler & \DescribeHandler ----------

\let\DlOriginalDescribeHandler=\DescribeHandler
\renewcommand{\DescribeHandler}[1]{%
	\DlOriginalDescribeHandler{#1}%
	\NewKeyword{handler}{#1}{\DlHandlerBg}{\DlOriginalHandler}{}%
	\AbbrevKeyword{}{#1} {handler}{#1}%
	\ignorespaces
}
\let\DlOriginalHandler=\handler
\renewcommand{\handler}[1]{\LinkKeyword{handler}{#1}\DlHandlerBg\DlOriginalHandler{#1}}
\newcommand{\DlHandlerBg}{\formatcode}

\newcommand{\NoDescribeHandler}[1]{%
	\NoKeyword{handler}{#1}{\DlHandlerBg}{\DlOriginalHandler}%
	\AbbrevKeyword{}{#1} {handler}{#1}%
	\ignorespaces
}


% --------- \NoDescribeKey, \NoDescribeVal ----------

\newcommand{\NoDescribeKey}[1]{%
	\NoKeyword{key}{#1}{\keydoc@key@bg}{\keydoc@original@key}%
	\AbbrevKeyword{}{#1} {key}{#1}%
	\ignorespaces
}
\newcommand{\NoDescribeVal}[1]{%
	\NoKeyword{}{#1}{\formatcode}{\val}%
	\ignorespaces
}


% --------- \DescribeMeta ----------

\newcommand{\DescribeMeta}[1]{%
	\NewKeyword{meta}{#1}{\formatcode}{\val}{}%
	\ignorespaces
}

\let\meta@nolink=\meta
\renewcommand{\meta}[1]{%
	\IfKeywordUndefined{meta}{#1}%
		{\@firstofone}%
		{\LinkUnformattedKeyword{meta}{#1}}%
	{\meta@nolink{#1}}%
}


% --------- \pkgoptn & \pkgoptndoc ----------

\let\DlOriginalPkgoptn=\pkgoptn
\renewcommand{\pkgoptn}[1]{\LinkKeyword{pkgoptn}{#1}\DlPkgoptnBg\DlOriginalPkgoptn{#1}}
\newcommand{\DlPkgoptnBg}{\formatcode}

\newcommand{\begin@pkgoptndoc}{\begin{itemize}}
\def        \endpkgoptndoc    {\end{itemize}}
\newcommand{\pkgoptndoc@beforepkg@normal}{\item[\radiooff]}
\newcommand{\pkgoptndoc@beforepkg@default}{\item[\radioon]}
% inserted before \pkgoptndoc if it was preceded by an empty line
\newcommand{\pkgoptndoc@afterpar}{\bigpar}

\newif\if@inpkgoptndoc

\newcommand{\pkgoptndoc}{%
	\unless\if@inpkgoptndoc
		\begin@pkgoptndoc
		\@inpkgoptndoctrue
	\else
		\ifvmode
			\pkgoptndoc@afterpar
		\fi
	\fi
	\@ifstar
		{\pkgoptndoc@beforepkg@default\@pkgoptndoc@do}%
		{\pkgoptndoc@beforepkg@normal\@pkgoptndoc@do}%
}
\newcommand{\@pkgoptndoc@do}[1]{%
	\NewKeyword{pkgoptn}{#1}{\DlPkgoptnBg}{\DlOriginalPkgoptn}{#1}%
	\AbbrevKeyword{}{#1} {pkgoptn}{#1}%
}

\newcommand{\NoDescribePkgoptn}[1]{%
	\NoKeyword{pkgoptn}{#1}{\DlPkgoptnBg}{\DlOriginalPkgoptn}%
	\AbbrevKeyword{}{#1} {pkgoptn}{#1}%
	\ignorespaces
}


% --------- \pkg & \pkgdoc, \NoDescribePkg ----------

\let\DlOriginalPkg=\pkg
\newcommand{\DlPkgBg}[1]{#1}
\renewcommand{\pkg}[1]{\LinkKeyword{pkg}{#1}\DlPkgBg\DlOriginalPkg{#1}}
\newcommand{\pkgdoc}[1]{%
	\unless\if@inpkgdoc
		\begin@pkgdoc
		\@inpkgdoctrue
	\fi
	\pkgdoc@beforepkg
	\NewKeyword{pkg}{#1}{\DlPkgBg}{\DlOriginalPkg}{\link[#1]{#1}}%
	%\AbbrevKeyword{}{#1} {pkg}{#1}%
	\let\pkgdoc@beforepkg=\pkgdoc@beforepkg@bak
	\pkgdoc@lookahead
}
\newcommand{\pkgdoc@lookahead}{%
	\futurelet \pkgdoc@nexttoken \pkgdoc@lookahead@check
}
\newcommand{\pkgdoc@lookahead@check}{%
	\ifcat \noexpand\pkgdoc@nexttoken \space
		\let\pkgdoc@lookahead@do=\pkgdoc@lookahead
		\let\pkgdoc@lookahead@gobble=\@firstofone
	\else\ifx \pkgdoc@nexttoken /%
		\pkgdoc@pkgsep
		\let\pkgdoc@beforepkg=\relax
		\let\pkgdoc@lookahead@do=\pkgdoc@lookahead
		\let\pkgdoc@lookahead@gobble=\@gobble
	\else\ifx \pkgdoc@nexttoken \pkgdoc
		\let\pkgdoc@lookahead@do=\relax
		\let\pkgdoc@lookahead@gobble=\@empty
	\else
		\pkgdoc@descriptionsep
		\let\pkgdoc@lookahead@do=\relax
		\let\pkgdoc@lookahead@gobble=\@empty
	\fi \fi \fi
	\expandafter \pkgdoc@lookahead@do \pkgdoc@lookahead@gobble
}

\newcommand{\begin@pkgdoc}{\begin{itemize}}
\def        \endpkgdoc    {\end{itemize}}
\newif\if@inpkgdoc
\newcommand{\pkgdoc@beforepkg}{\item}
\newcommand{\pkgdoc@pkgsep}{/}
\newcommand{\pkgdoc@descriptionsep}{ }
\let\pkgdoc@beforepkg@bak=\pkgdoc@beforepkg

\newcommand{\NoDescribePkg}[1]{%
	\NoKeyword{pkg}{#1}{\DlPkgBg}{\DlOriginalPkg}%
	%\AbbrevKeyword{}{#1} {pkg}{#1}%
	\ignorespaces
}

\makeatother