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cellspace.sty	4.5 KB	-rw-r--r--

Code Editor : cellspace.sty

% (C) 2006 Josselin Noirel
% 
% Package cellspace: Ensuring a minimal spacing of table cells.
%
% This material is subject to the LaTeX Project Public License. See
% http://www.ctan.org/tex-archive/help/Catalogue/licenses.lppl.html .
%
\def \@tempa $#1 #2 #3 #4 #5 #6 #7 ${%
  \def \filedate    {#4}%
  \def \fileversion {v#3}%
}
\@tempa $Id: cellspace.sty,v 1.5 2006/03/13 19:28:10 noirel Exp $

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{cellspace}%
  [\filedate \space \fileversion \space Spacing table cells (JN)]

\RequirePackage{ifthen} % \newboolean, \ifthenelse
\RequirePackage{array}  % \newcolumntype, \@{start,end}pbox
\RequirePackage{calc}   % \setlength{<dimen>}{<expression>}

% 2. Check the definitions of \@startpbox and \@endpbox
%    from array.sty

\CheckCommand*{\@startpbox}[1]{%
  \bgroup
    \setlength\hsize{#1}%
    \@arrayparboxrestore
    \everypar{%
      \vrule \@height \ht\@arstrutbox \@width \z@
      \everypar{}%
    }%
}

\CheckCommand*{\@endpbox}{\@finalstrut\@arstrutbox \egroup\hfil}

% 3. Declare registers and other variables

\newboolean{cellspace@lr} % Is it a LR column type ?
\newboolean{cellspace@}   % Is it a paragraph column that needs to be
                          % spaced out?

\@ifdefinable \cellspacetoplimit    {\newdimen \cellspacetoplimit}
\@ifdefinable \cellspacebottomlimit {\newdimen \cellspacebottomlimit}
\@ifdefinable \cellspace@firstht {\newdimen \cellspace@firstht} % Global
\@ifdefinable \cellspace@lastdp {\newdimen \cellspace@lastdp}   % Global

\setlength{\cellspacetoplimit}{1pt}
\setlength{\cellspacebottomlimit}{1pt}

% 4. Redefinitions

\renewcommand*{\@startpbox}[1]{%
  \bgroup
    \setbox \@tempboxa = \vtop \bgroup
      \color@begingroup
      \setlength{\hsize}{#1}%
      \@arrayparboxrestore
      % We need to test \ifcellspace@ within the \everypar
      % because it is still not set correctly
      \everypar{%
        \unless \ifcellspace@
          \vrule \@height \ht\@arstrutbox \@width \z@
        \fi
        \everypar{}%
      }%
}

\renewcommand*{\@endpbox}{%
      \unless \ifcellspace@
        \@finalstrut \@arstrutbox
      \fi
      \par
      % Save the depth of the last line
      \global \cellspace@lastdp = \prevdepth
      \color@endgroup
      % \ifcellspace@ is only locally true, so we need to expand it before
      % \egroup stops it action
      \expandafter
    \egroup
    \ifcellspace@
      % Save the height of the first line
      \global \cellspace@firstht = \ht\@tempboxa
      \setbox \@tempboxa = \vbox {%
        \setlength{\@tempdima}{\ht\@arstrutbox - \cellspace@firstht}%
        \ifthenelse{\lengthtest{\@tempdima<\cellspacetoplimit}}{%
          \setlength{\@tempdima}{\cellspace@firstht + \cellspacetoplimit}%
        }{%
          \setlength{\@tempdima}{\ht\@arstrutbox}%
        }%
        \hbox{\vrule height \@tempdima width 0pt depth 0pt }%
        \nointerlineskip
        \vskip-\cellspace@firstht
        \unvbox \@tempboxa
        \setlength{\@tempdima}{\dp\@arstrutbox - \cellspace@lastdp}%
        \ifthenelse{\lengthtest{\@tempdima<\cellspacebottomlimit}}{%
          \setlength{\@tempdima}{\cellspace@lastdp + \cellspacebottomlimit}%
        }{%
          \setlength{\@tempdima}{\dp\@arstrutbox}%
        }%
        \vskip-\cellspace@lastdp
        \nointerlineskip
        \hbox{\vrule height 0pt depth \@tempdima width 0pt }%
      }%
    \fi
    \unvbox \@tempboxa
  \egroup
  \hfil
}

\let \@@startpbox = \@startpbox
\let \@@endpbox = \@endpbox

% 5. Defining a prefix

\newcolumntype{S}[1]{>{\bcolumn #1\@nil}#1<{\ecolumn}}

\newcommand*{\bcolumn}{}
\def \bcolumn #1#2\@nil {%
  \cellspace@lrtrue
  \@expandtwoargs \in@{#1}{\cellspace@parcoltypes}%
  \ifin@
    \cellspace@lrfalse
  \fi
  \ifcellspace@lr
    \begingroup \lrbox {\@tempboxa}%
  \else
    \setboolean{cellspace@}{true}%
  \fi
}

\newcommand*{\ecolumn}{%
  \ifcellspace@lr
    \endlrbox \endgroup
    \setlength{\@tempdima}{\ht\@arstrutbox - \ht\@tempboxa}%
    \ifthenelse{\lengthtest{\@tempdima<\cellspacetoplimit}}{%
      \setlength{\@tempdima}{\ht\@tempboxa + \cellspacetoplimit}%
      \ht\@tempboxa = \@tempdima
    }{}%
    \setlength{\@tempdima}{\dp\@arstrutbox - \dp\@tempboxa}%
    \ifthenelse{\lengthtest{\@tempdima<\cellspacebottomlimit}}{%
      \setlength{\@tempdima}{\dp\@tempboxa + \cellspacebottomlimit}%
      \dp\@tempboxa = \@tempdima
    }{}%
    \usebox{\@tempboxa}%
  \fi
}

\newcommand*{\cellspace@parcoltypes}{pmb}

\newcommand*{\addparagraphcolumntypes}[1]{%
  \edef \cellspace@parcoltypes {\cellspace@parcoltypes #1}%
}

\@onlypreamble \addparagraphcolumntypes

\endinput

${this.title}

Code Editor : cellspace.sty