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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Module: ZzTeX Front Matter Facilities
%
% Synopsis: This file provides facilities for typesetting the front
% matter of a book.
%
% Author: Paul C. Anagnostopoulos
% Created: 24 September 1989
%
% Copyright 1989--2020 by Paul C. Anagnostopoulos
% under The MIT License (opensource.org/licenses/MIT)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Copyright Page
% --------- ----
\def \copyrightline #1#2{% {year}{publisher}
\noindent Copyright \copyright\ #1 by #2\par}
\def \concisecopyrightline #1#2{% {year}{publisher}
\noindent \copyright\ #1 by #2\par}
\def \superconcisecopyrightline #1#2{% {year}{publisher}
\noindent \copyright\ #1 #2\par}
\def \copyrightnotice {%
All rights reserved. No part of this publication may be reproduced,
stored in a retrieval system, or transmitted, in any form or by any
means, electronic, mechanical, photocopying, recording, or otherwise,
without the prior written permission of the publisher.}
% We provide a standard text design for the Library of Congress
% Cataloging-in-Publication data.
\def \textcipdataidesign {%
\aboveskip = \noskip
\belowskip = \noskip
\bodyfont = {}%
\setflag \enabletabbing = \false
\leftindent = 0pt
\parindent = \enclosingparindent
\parrag = \enclosingparrag
\parskip = 0pt
\rightindent = 0pt
\setflag \verbatimlines = \true
\width = \naturalwidth}
\def \textcipdataiidesign {%
\textcipdataidesign}
% Table of Contents Entries
% ----- -- -------- -------
% This macro is used to write a ToC entry in the cross-reference file.
\def \ztocentry #1#2#3#4{% {number}{title}{level}{allow?}
{\ztoksa = {#2}%
\tcounta = #3\relax
\edef \znext {\noexpand\xref{toc}{\noexpand\folio}{#1}{\the\ztoksa}
{\the\divisionname,\the\tcounta,%
\the\difficulty,\if #41\else 0\fi}}%
\znext}}
% This is the public command for writing ToC entries.
\def \tocentry #1#2#3{% {number}{title}{level}
\ztocentry{#1}{#2}{#3}{\true}}
% This macro allows the compositor to adjust pages in the ToC.
\setlist \ztocadjlist = {}
\long\def \tocadjustment #1#2#3{% {toc-type}{number}{commands}
\append{{#1}{#2}{#3}}{\ztocadjlist}}
% Table of Contents Block
% ----- -- -------- -----
\defineblock{\toc}{\endtoc}{\false}{}
%~block toc Type
% \abovepenalty = integer % Penalty above text.
% \aboveskip = glue % Space b/b above text.
% \belowpenalty = integer % Penalty below text.
% \belowskip = glue % Space b/b below text.
% \bodyfont = {\size\style} % Default font for body.
% \divisions = {...} % List of divisions to include.
% \foliofont = {\size\style} % Default font for folio.
% \leftindent = glue % Left indentation.
% \levels = {...} % List of levels to include.
% \setflag \minitoc = boolean % Is this a miniToC?
% \parindent = dimen % Paragraph indentation.
% \parrag = dimen % Paragraph raggedness.
% \parskip = glue % Paragraph skip.
% \rightindent = glue % Right indentation.
% \tocwidtha = dimen % General width a.
% \tocwidthb = dimen % General width b.
% \tocwidthc = dimen % General width c.
% \width = dimen % Line width
% \xreffile = {...} % Name of composite xref file to use.
%~end
\definetoks{\foliofont}
\definetoks{\levels}
\definedimen{\tocwidtha}{0pt}
\definedimen{\tocwidthb}{0pt}
\definedimen{\tocwidthc}{0pt}
\definetoks{\xreffile}
\definecount{\prevtocprimarylevel}{-1} % Previous level >= 70.
\def \toc #1{% {type}
\beginblockscope{toc}%
\def \ztoctype {#1}%
\global\increment \tocdepth
\abovepenalty = \breaknever %~default hard
\belowpenalty = \breakbest %~default hard
\bodyfont = {}% %~default soft
\divisions = {\all}% %~default soft
\setflag \minitoc = \false %~default soft
\tocwidtha = 0pt %~default soft
\tocwidthb = 0pt %~default soft
\tocwidthc = 0pt %~default soft
\xreffile = {}% %~default hard
\processdesign{\toc}{#1}%
\global\increment \tocnumber
\commalist{\zlevlist}{\the\levels}%
\the\bodyfont
\tocformat
\endtoc}
\def \endtoc {%
\endgraf
\endtocformat
\global\decrement \tocdepth
\endblockscope{toc}}
\def \tocformat {%
\endgraf
\bbskipabove{\abovepenalty}{\aboveskip}%
\alterindentation{\leftindent}{\rightindent}%
\settextwidth{\width}%
\setparrag{\parrag}%
\zadjtitle = \if \minitoc \zadjtitleminitoc \else \zadjtitletoc \fi
% \adjusttitle should adjust appropriate ToC.
\def \zadjloc {\toc}%
\if \emptytoksp{\xreffile}%
\zxloadcomp{\xrefloadtocmode}%
\else
\zxloadothercomp{\the\xreffile}{\xrefloadtocmode}%
\fi}
\def \endtocformat {%
\fakepar % In case the ToC is empty.
\setlist \ztocadjlist = {}%
\bbskipbelowblock{\belowpenalty}{\belowskip}}
% The following macro is called for each entry in the cross-reference file.
% Each entry must NOT be in a group.
\def \xreftoc #1#2#3#4{%
\ifnum \xrefmode=\xrefloadtocmode
\xreftocb{#1}{#2}{#3}{#4}%
\fi}
\definecount{\ztoclevel}{0}
\def \xreftocb #1#2#3#4{% {page}{number}{title}
% {division,level,difficulty,allow}
\def \znext ##1,##2,##3,##4,##5\zmark{%
\ztoksa={##1}\ztoclevel=##2\difficulty=##3\tcounta=##4\relax}%
\znext #4,1,\zmark%
\if \posp{\tcounta}%
\edef \znext {\noexpand\inclusionlist\noexpand\ztoctest
{\the\ztoksa}{\the\divisions}}%
\znext
\if \ztoctest
\ztesttoclev{\ztoclevel}%
\if \ztoctest
\zchktocadj{#2}{#3}%
\the\bodyfont
\name{\toc\ztoctype\romannumeral\ztoclevel format}{#1}{#2}{#3}%
\if \gtrp{\ztoclevel}{69}%
\prevtocprimarylevel = \ztoclevel % Save ToC level.
\global\authortext = {}% % Clear author text.
\fi
\fi
\fi
\fi}
\def \ztesttoclev #1{% {level}
\setflag \ztoctest = \false
\maplist{\ztesttoca{#1}##1-\zmark}{\zlevlist}}
\def \ztesttoca #1#2-#3\zmark{% {n}low-high\zmark
\if \emptyargp{#3}%
\setflag \ztoctest = {\eqlp{#1}{#2}}%
\else
\ztesttocb{#1}{#2}#3%
\fi
\if \ztoctest \exitmaplist \fi}
\def \ztesttocb #1#2#3-{% {n}{low}high-
\setflag \ztoctest = {\andp{\notp{\lssp{#1}{#2}}}
{\notp{\gtrp{#1}{#3}}}}}
\long\def \zchktocadj #1#2{% {number}{title}
\maplist{\zchktocadjb##1{#1}{#2}}{\ztocadjlist}}
\long\def \zchktocadjb #1#2#3#4#5{% {type}{number}{commands}{number}{title}
{\stringeql{\znext}{#1}{\ztoctype}%
\if \znext
\stringeql{\znext}{#2}{#4}%
\if \znext
#3\relax
\else
\def \tempa {#2}% % Don't expand titles.
\def \tempb {#5}%
\if \tokeqlp{\tempa}{\tempb}%
#3\relax
\fi
\fi
\fi}}
\def \bbskipabovetochead #1#2#3#4#5{% {level}{penalty}{skip}{penalty}{skip}
\if \eqlp{\prevtocprimarylevel}{#1}%
\bbskipabove{#2}{#3}%
\else
\bbskipabove{#4}{#5}%
\fi}
\definetoks{\zdelaytoc}
\def \delaytocformatter #1{%
\global\zdelaytoc = \expandafter{\the\zdelaytoc #1}}
\def \dodelayedtocformatter {%
\the\zdelaytoc
\global\zdelaytoc = {}}
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