\ProvidesPackage{fontspec-doc-style}

\input{fontspec.dtx}
\ExplSyntaxOff

\usepackage{fontspec,booktabs,caption,xcolor,flafter,fancyvrb,hologo,graphicx,
  url,varioref,varwidth,microtype,tocloft,framed,xparse,docmute}

\let\FancyVerbSpace\verbvisiblespace

%% Various labelling commands:
\newcommand*\name[1]{{#1}}
\newcommand*\opt[1]{\texttt{#1}}
\newcommand*\feat[1]{\texttt{#1}}

\let\latin\textit
\def\eg{\latin{e.g.}}
\def\ie{\latin{i.e.}}
\def\Eg{\latin{E.g.}}
\def\Ie{\latin{I.e.}}
\def\etc{\@ifnextchar.{\latin{etc}}{\latin{etc.}\@}}

\newcommand\note[1]{\unskip\footnote{#1}}

\def\MacOSX{macOS}
\def\AAT{\textsc{aat}}
\def\ATSUI{\textsc{atsui}}

\newcommand\NFSS{\textsc{nfss}}
\newcommand\XeLaTeX{\hologo{XeLaTeX}}
\newcommand\LuaLaTeX{\hologo{LuaLaTeX}}

% ToC formatting:
\setlength\cftsubsecnumwidth{1.4\cftsubsecnumwidth}
%\def\@cfttocstart{\small\begin{multicols}{2}}
%\def\@cfttocfinish{\end{multicols}}

\fvset{gobble=0}

\captionsetup[table]{position=above}
\captionsetup[figure]{position=above}


%% Fonts

\defaultfontfeatures{Numbers=OldStyle}
\IfFontExistsTF{AldusNovaPro-Book.otf}
  {
    \setmainfont{aldus-nova}
    \setsansfont{palatino-sans-light}
  }
  {
\setmainfont{texgyrepagella}[
  Extension = .otf,
  UprightFont = *-regular ,
  ItalicFont  = *-italic  ,
  BoldFont    = *-bold    ,
  BoldItalicFont = *-bolditalic ,
]
\setsansfont{texgyreheros}[
  Extension = .otf,
  UprightFont = *-regular ,
  ItalicFont  = *-italic  ,
  BoldFont    = *-bold    ,
  BoldItalicFont = *-bolditalic ,
]
  }
\setmonofont{lmmono10-regular.otf}[
  Numbers={Lining,SlashedZero},
  ItalicFont=lmmonoslant10-regular.otf,
  BoldFont=lmmonolt10-bold.otf,
  BoldItalicFont=lmmonolt10-boldoblique.otf,
]
\newfontfamily\ttcondensed{lmmonoltcond10-regular.otf}

%% (La)TeX font-related declarations:
\linespread{1.05}      % Pagella needs more space between lines
\frenchspacing         % Remove ugly extra space after punctuation

%% ToC
\def\@dotsep{1000}
\setcounter{tocdepth}{2}
\setlength\columnseprule{0.4pt}
\renewcommand\tableofcontents{\relax
  \begin{multicols}{2}[\section*{\contentsname}]\relax
    \@starttoc{toc}\relax
  \end{multicols}}


%% Index
\setcounter{IndexColumns}{2}
\renewenvironment{theglossary}
  {\small\list{}{}
     \item\relax
     \glossary@prologue\GlossaryParms
     \let\item\@idxitem \ignorespaces
     \def\pfill{\hspace*{\fill}}}
  {\endlist}



%% varioref definitions:
\labelformat{table}{Table~#1}
\labelformat{section}{Section~#1}
\labelformat{subsection}{Section~#1}

\definecolor{niceblue}{rgb}{0.1,0.2,0.8}




%% EXAMPLES

\newif\ifshowexamples
\showexamplestrue

\newsavebox\X
\newsavebox\Y

\newcounter{example}

\newcommand\exref[1]{Example~\ref{ex:#1}}
\newcommand\Exref[1]{Example~\ref{ex:#1}}

\newenvironment{Xexample}[3][]
  {\VerbatimEnvironment\begin{Fexample}[#1]{#2}{#3}{X}}
  {\end{Fexample}}

\newenvironment{Lexample}[3][]
  {\VerbatimEnvironment\begin{Fexample}[#1]{#2}{#3}{L}}
  {\end{Fexample}}

\newenvironment{Fexample}[4][]
  {%
    \def\options{#1}%
    \def\filename{#2}%
    \def\captiontext{#3}%
    \def\prefix{#4}
    \refstepcounter{example}%
    \label{ex:\filename}%
    \ifshowexamples
      \IfFileExists{zzz-\theexample-\prefix-\filename.tex}{}{%
        \immediate\write18{rm -f zzz-\theexample-* ;}%
      }%
    \fi
    \VerbatimEnvironment
    \begin{VerbatimOut}{zzz-\theexample-\prefix-\filename.tex}}
% text in the environment
  {\end{VerbatimOut}
    \begin{figure}
      \setlength\parindent{0pt}%
      \edef\@tempa{[gobble=0,fontsize=\noexpand\small,\options]}%
      \savebox\X{%
                  \expandafter\BVerbatimInput
                  \@tempa{zzz-\theexample-\prefix-\filename.tex}%
                }%
      \IfFileExists{zzz-\theexample-\prefix-\filename.pdf}{}
         {%
           \edef\XXcmd{%
             \unexpanded{%
               \RequirePackage{luatex85}
               \documentclass[margin=0.2mm]{standalone}
               \usepackage{booktabs,ifthen,graphicx,xcolor,varwidth}
               \usepackage{fontspec}
               \defaultfontfeatures{Ligatures=TeX}
               \begin{document}
               \begin{varwidth}{0.7\linewidth}
               \input} zzz-\theexample-\prefix-\filename.tex
             \unexpanded{
               \end{varwidth}
               \end{document}
             }%
           }%
           \edef\1{%
             \csname prog@\prefix\endcsname "\unexpanded\expandafter{\XXcmd}";
             printf '\@percentchar s' '\unexpanded\expandafter{\XXcmd}' > zzz-\theexample-\prefix-\filename-test.tex;
           }%
           \ifshowexamples
             \immediate\write18{\unexpanded\expandafter{\1}}%
           \fi
         }%
      \savebox\Y{%
      \IfFileExists{zzz-\theexample-\prefix-\filename.pdf}
          {\includegraphics{zzz-\theexample-\prefix-\filename.pdf}}
          {\color{red}\itshape ---Example graphic not generated---}%
      }
      % TYPESETTING
      \rule[0.5\baselineskip]{\columnwidth}{1pt}%
      \vspace{-1.2ex}%
      \def\@tempa{\small\textsf{Example~\theexample:~}}%
      \settowidth\@tempdima{\@tempa\captiontext}%
      \par
      \ifdim\@tempdima>\linewidth
        \settowidth\@tempdima{\@tempa}%
        \@tempa\parbox[t]{\linewidth-\@tempdima}{\small\captiontext}%
        \vspace{0.4\baselineskip}%
      \else
        \parbox{\linewidth}{\centering\@tempa~\captiontext}%
      \fi
      \par\rule[0.4\baselineskip]{\columnwidth}{0.4pt}\par
      \ifdim\dimexpr\wd\X+\wd\Y>\linewidth\relax
        \null\hfill\makebox[0pt][r]{\usebox\Y}\usebox\X
      \else
        \hfill\usebox\Y\hfill\usebox\X
      \fi
      \par\rule[0.5\baselineskip]{\columnwidth}{1pt}
    \end{figure}
}

\def\prog@X{xelatex
               -jobname=zzz-\theexample-X-\filename\space}

\def\prog@L{lualatex
               -jobname=zzz-\theexample-L-\filename\space}

%%%%%%%%%%%%%%%%%%%%%%

\newcommand*\setexsize[1]{\let\examplesize#1}
\newcommand*\setverbwidth[1]{\def\auxwidth{#1}}



\newcounter{argument}
\g@addto@macro\endmacro{\setcounter{argument}{0}}
\newcommand*\darg[1]{%
  \stepcounter{argument}%
  \noindent{\ttfamily\char`\#\theargument~:~}#1\par}
\newcommand*\doarg[1]{%
  \stepcounter{argument}%
  \noindent{\ttfamily\makebox[0pt][r]{[}\char`\#\theargument]:~}#1\par}

\newcommand\unichar[2]{\textsc{\MakeLowercase{u+#1: #2}}}

\newcommand\cmdbox[1]{%
  \smallskip\par\noindent
  \fbox{\begin{varwidth}{\linewidth}
    #1%
  \end{varwidth}}%
  \smallskip
}
\def\CMD#1{\texttt{\null#1\unskip}}


\NewDocumentCommand \otf {somm} {%
  \featname & #3 & \texttt{#4}
  \IfBooleanT #1 { & \textdagger }
  \\
}
\newenvironment{features}[1]{%
  \def\NOTE{}
  \def\thisfeatname{#1}%
  \def\featname{\thisfeatname~~\texttt=~~\null\gdef\featname{}}%
  \begin{table}
    \caption{Options for the OpenType font feature `\thisfeatname'.}
    \edef\@tempa{\noexpand\label{feat:\thisfeatname}}\@tempa
    \centering
    \begin{tabular}{@{}l@{}l@{\hspace{0.5\tabcolsep}}l@{\hspace{0.5\tabcolsep}}l@{}}
    \toprule
    Feature & Option & Tag & \\
    \midrule
}{
    \bottomrule
    \end{tabular}
    \par\smallskip
    \footnotesize
    \textdagger\ These feature options can be disabled with \texttt{..Off} variants, and reset \\ to default state (neither explicitly on nor off) with \texttt{..Reset}.
    \NOTE
  \end{table}
}


%%%%%%%%%%%

\def \MakePrivateLetters {%
  \catcode `\@ = 11
  \catcode `\_ = 11
  \catcode `\: = 11
}

%% for LaTeX3 csnames
\catcode `\_= 11

\renewcommand\partname{Part}


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