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| 1 | % indexes document style option for producing multiple indexes |
| 2 | % for use with the modified bbok style, CHbook.sty |
| 3 | % Written by F.W. Long, Version 1.1, 12 August 1991. |
| 4 | |
| 5 | % Modified by F.W. Long, Version 1.1a, 29 August 1991 |
| 6 | % to get the index heading correctly spaced. |
| 7 | |
| 8 | % Modified by F.W. Long, Version 1.1b, 31 August 1991 |
| 9 | % to remove the abbreviation \ix (which should be in the document, not here). |
| 10 | |
| 11 | % Modified \makeindex and \index commands to allow multiple indexes |
| 12 | % in both cases the first parameter is the index name. |
| 13 | % They now work more like \@starttoc and \addcontentsline. |
| 14 | % \index is no longer defined inside \makeindex but determines |
| 15 | % whether the appropriate file is defined before writing to it. |
| 16 | |
| 17 | \def\makeindex#1{\begingroup |
| 18 | \makeatletter |
| 19 | \if@filesw \expandafter\newwrite\csname #1@idxfile\endcsname |
| 20 | \expandafter\immediate\openout \csname #1@idxfile\endcsname #1.idx\relax |
| 21 | \typeout{Writing index file #1.idx }\fi \endgroup} |
| 22 | |
| 23 | \def\index#1{\@bsphack\begingroup |
| 24 | \def\protect##1{\string##1\space}\@sanitize |
| 25 | \@wrindex{#1}} |
| 26 | |
| 27 | % \@wrindex now checks that the appropriate file is defined. |
| 28 | |
| 29 | \def\@wrindex#1#2{\let\thepage\relax |
| 30 | \xdef\@gtempa{\@ifundefined{#1@idxfile}{}{\expandafter |
| 31 | \write\csname #1@idxfile\endcsname{\string |
| 32 | \indexentry{#2}{\thepage}}}}\endgroup\@gtempa |
| 33 | \if@nobreak \ifvmode\nobreak\fi\fi\@esphack} |
| 34 | |
| 35 | % Modified \printindex command to allow multiple indexes. |
| 36 | % This now takes over much of the work of \theindex. |
| 37 | % Again, the first parameter is the index name. |
| 38 | % The second parameter is the index title (as printed). |
| 39 | |
| 40 | \newif\if@restonecol |
| 41 | \def\printindex#1#2{\@restonecoltrue\if@twocolumn\@restonecolfalse\fi |
| 42 | \columnseprule \z@ \columnsep 35pt |
| 43 | \newpage \twocolumn[{\Large\bf #2 \vskip4ex}] |
| 44 | \markright{\uppercase{#2}} |
| 45 | \addcontentsline{toc}{section}{#2} |
| 46 | \@input{#1.ind}} |
| 47 | |
| 48 | % The following index commands are taken from book.sty. |
| 49 | % \theindex is modified to not start a chapter. |
| 50 | |
| 51 | \def\theindex{\parindent\z@ |
| 52 | \parskip\z@ plus .3pt\relax\let\item\@idxitem} |
| 53 | \def\@idxitem{\par\hangindent 40pt} |
| 54 | \def\subitem{\par\hangindent 40pt \hspace*{20pt}} |
| 55 | \def\subsubitem{\par\hangindent 40pt \hspace*{30pt}} |
| 56 | \def\endtheindex{\if@restonecol\onecolumn\else\clearpage\fi} |
| 57 | \def\indexspace{\par \vskip 10pt plus 5pt minus 3pt\relax} |
| 58 | |
| 59 | % the command \ix allows an abbreviation for the general index |
| 60 | |
| 61 | %\def\ix#1{#1\index{general}{#1}} |
| 62 | |
| 63 | % define the \see command from makeidx.sty |
| 64 | |
| 65 | \def\see#1#2{{\em see\/} #1} |
| 66 |