%% LaTeX2e file `etocsnippet-54.tex'
%% generated by the `filecontentshere' environment
%% from source `etoc' on 2021/07/13.
%%
\newtoks\toctabletok
\newcommand*\appendtotok[2]{% #1=toks variable, #2=macro, expands once #2
  #1\expandafter\expandafter\expandafter {\expandafter\the\expandafter #1#2}}

\newcommand*\PreparePart{%
  \toks0 \expandafter{\etocthelinkednumber}%
  \toks2 \expandafter{\etocthelinkedname}%
  \toks4 \expandafter{\etocthelinkedpage}%
  \edef\toctablepiece {\noexpand\hline
                      \noexpand\strut\the\toks0 &\noexpand\bfseries\the\toks2
                                 &\the\toks4 \noexpand\\\noexpand\hline}%
}
\newcommand*\PrepareSection{%
  \toks0 \expandafter{\etocthelinkednumber}%
  \toks2 \expandafter{\etocthelinkedname}%
  \toks4 \expandafter{\etocthelinkedpage}%
  \edef\toctablepiece {\the\toks0 &\the\toks2 &\the\toks4 \noexpand\\}%
}
% new version for 1.07k, 2014/03/06
\newcommand*{\PrepareSubsection}{%
  \toks0 \expandafter{\etocthelinkednumber}%
  \toks2 \expandafter{\expandafter\itshape\etocthelinkedname\strut}%
  \toks4 \expandafter{\expandafter\itshape\etocthelinkedpage}%
  \edef\toctablepiece{&\noexpand\makebox[1cm][c]{\the\toks0}%
                      \noexpand\parbox[t]{\dimexpr6cm-\tabcolsep\relax}
                                         {\noexpand\sloppy\the\toks2}%
                      &\the\toks4 \noexpand\\}%
}

\begingroup
\etocsetstyle{part}{}{}{\PreparePart \appendtotok\toctabletok\toctablepiece}{}

\etocsetstyle{section}{}{}{\PrepareSection \appendtotok\toctabletok\toctablepiece}{}

\etocsetstyle{subsection}{}{}{\PrepareSubsection\appendtotok\toctabletok\toctablepiece}{}

\etocsettocstyle
    {\toctabletok{\hypersetup{hidelinks}%
                 \begin{longtable}{|>{\bfseries}c|p{7cm}|r|}\hline
                 \multicolumn{3}{|c|}{\Large\bfseries\strut TABLE OF CONTENTS}%
                 \\\hline\hline}}
    {\global\toctabletok\expandafter{\the\toctabletok\hline\end{longtable}}}
\etocsettocdepth {subsection}
\tableofcontents
\the\toctabletok
\endgroup
