% !TEX TS-program = lualatex
\documentclass{book}
\usepackage[
	a4paper,
	margin=1in,
	landscape
]{geometry}

\usepackage{csvsimple}
\usepackage{xltabular}
\usepackage{booktabs}
\usepackage{pgfkeys}
\usepackage{stringstrings}
\usepackage[
	hidelinks,
]{hyperref}

\title{Unicode Alphabets for \LaTeX\\\bigskip\large Specimen}
\author{Mikkel Eide Eriksen}

\usepackage{fontspec}
\newfontfamily\mufifont{Palemonas MUFI}
\newfontfamily\silfont{Doulos SIL}
\newfontfamily\titusfont{TITUS Cyberbit Basic}
\newfontfamily\unzfont{LOB.Ensisheim}

\usepackage[
%	CYFI,
	MUFI,
	SIL,
	TITUS,
	UNZ,
%	disable entity macros,
	fonts={
%		CYFI=\titusfont,
		MUFI=\mufifont,
		SIL=\silfont,
		TITUS=\titusfont,
		UNZ=\unzfont,
	},
]{unicode-alphabets}

\makeatletter
\newcommand\specset[1]{\pgfkeys{/specimen/.cd,#1}}

\newcommand\spec@showfont[1]{%
	{%
		#1%
		\edef\currentfontname{\f@family}\currentfontname
	}%
}

\specset{
	character set/.code={
		\csedef{spec@charset}{#1}%
		\caselower[q]{\spec@charset}%
		\csedef{spec@code}{\thestring}%
		\csedef{spec@csvfile}{unicode-alphabets.\spec@code.csv}%
	},
	font url/.store in=\spec@font@url,
}

\newcommand\specimen[1]{%
	\specset{#1}%
	\chapter*{\spec@charset}
	\addcontentsline{toc}{chapter}{\spec@charset}

	Using the font \spec@showfont{\csuse{alph@font@\spec@code}} from \url{\spec@font@url}.

	\begingroup
	\def\mytablerow{\texttt{\csvcoli} & \csuse{\csuse{spec@code}}{\csvcoli} & \ifbool{alph@\spec@code @has@entities}{\csvcolii & \csvcoliii}{\csvcolii}}
	\ifbool{alph@\spec@code @has@entities}{%
		\def\spec@columns{r @{ } c @{ } l @{ } X}%
	}{%
		\def\spec@columns{r @{ } c @{ } X}%
	}%
	\expanded{\unexpanded{\begin{xltabular}{\linewidth}}{\spec@columns}}
	\toprule
	Code & & \ifbool{alph@\spec@code @has@entities}{&}{} \hfill \spec@charset\\
	Point & Glyph & \ifbool{alph@\spec@code @has@entities}{ Entity Name &}{} Unicode Name\\
	\midrule
	\endhead
	\bottomrule
	\endfoot
	\csvloop{
		file={\spec@csvfile},
		late after line=\\,
		head to column names prefix=spec@,
		command=\mytablerow,
	}
	\end{xltabular}
	\endgroup
}

\makeatother

\begin{document}

\maketitle
\tableofcontents

\specimen{
	character set=MUFI,
	font url=http://mufi.info/,
}

\specimen{
	character set=SIL,
	font url=https://software.sil.org/charis/download/,
}

\specimen{
	character set=TITUS,
	font url=http://titus.fkidg1.uni-frankfurt.de/unicode/tituut.asp,
}

\begingroup
\catcode`\_=12 % unz entities have underscores
\specimen{
	character set=UNZ,
	font url=http://www.ligafaktur.de/,
}
\catcode`\_=8
\endgroup

\end{document}
