Re: \definetype breaks down ---

[Hans Hagen <pragma@wxs.nl>]

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we need to obey the specific setting so verbatimfont is called at 
different places

-----------------------------------------------------------------
                                          Hans Hagen | PRAGMA ADE
              Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
     tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                             | www.pragma-pod.nl
-----------------------------------------------------------------


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%D \module
%D   [       file=core-ver,
%D        version=2000.05.09,
%D          title=\CONTEXT\ Core Macros,
%D       subtitle=Verbatim,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

\unprotect

% uses \prettyidentifier and sets \setupprettytype

\def\mksetupprettiesintype
  {\doifundefined{setuppretty\prettyidentifier type}%
     {\startnointerference
        \restorecatcodes % also needed when loading during \newpretty
        \startreadingfile % restore < and > if needed
        \lowercasestring verb-\prettyidentifier.tex\to\filename
        \readsysfile\filename\donothing\donothing
        \stopreadingfile
      \stopnointerference}%
   \doifdefinedelse{setuppretty\prettyidentifier type}%
     {\let\uncatcodecharacters\uncatcodeallcharacters % ugly, should be switch / todo
      \def\mksetupprettytype{\getvalue{setuppretty\prettyidentifier type}}}
     {\let\mksetupprettytype\relax}}

% not that fast but catches \type{\command} % nothing more after \command
%
% \setupcolors[state=start]
% \setuptype[option=TEX]
% \setupcolors[textcolor=red]
%
% The options \type{before=\startsolutionbackground } and
% \type{after=\stopsolutionbackground} take care of putting a frame,
% which can
%
% {\blue The options \type{before=\startsolutionbackground } and
% \type{after=\stopsolutionbackground} take care of putting a frame,
% which} can

\def\resumecoloraftergroup
  {\localstartcolor[\s!black]%
   \localstartcolor[\maintextcolor]%
   \aftergroup\localstopcolor
   \aftergroup\localstopcolor}

% the rather messy \type command

\def\mktype#1% was \dotype
  {\bgroup
   \resumecoloraftergroup % a problem is that we can still be in color mode, tricky hack
   \strut % new, enables leading space in \type { abc } at par start
   \let\currenttypingclass\??ty
   \edef\currenttyping{#1}%
   \catcode`\<=\@@other
   \catcode`\>=\@@other
   \futurelet\next\dodotype}

\def\dodotypeA
  {\initializetype
   \initializetypegrouping
   \verbatimfont
   \verbatimcolor
   \afterassignment\protectfirsttype\let\next=}

\def\dodotypeB
  {\initializetype
   \setupnotypegrouping
   \verbatimfont
   \verbatimcolor
   \let\next=}

\def\dodotypeC<#1%
  {\initializetype
   \verbatimfont
   \verbatimcolor
   \if#1<%
     \@EA\setupalternativetypegrouping
   \else
     \@EA#1%
   \fi}

\def\dodotypeD#1%
  {\initializetype
   \verbatimfont
   \verbatimcolor
   \catcode`#1=\@@endgroup}

\def\dodotype
  {\ifx\next\bgroup
     \@EA\dodotypeA
   \else\if\next<%
     \doifelse{\typingparameter\c!option}\v!none
       {\@EAEAEA\dodotypeB}{\@EAEAEA\dodotypeC}%
   \else
     \@EAEAEA\dodotypeD
   \fi\fi}

% Verbatim does not work when passed as an argument, so here is a
% workaround. Beware, spaces are introduced after a \type {\csname}.

\chardef\recodeverbatimmode\zerocount % 0=nothing 1=rescan 2=autorescan

% \appendtoks \chardef\recodeverbatimmode\plustwo \to \everytabulate
% \appendtoks \chardef\recodeverbatimmode\plustwo \to \everytable

\def\dodotypeA
  {\initializetype
   \initializetypegrouping
   \verbatimfont
   \verbatimcolor
   \ifcase\recodeverbatimmode
     \@EA\dodotypeAA
   \or
     \@EA\dodotypeAB
   \or
     \ifnum\catcode`\{=\@@active
       \@EAEAEA\dodotypeAB
     \else
       \@EAEAEA\dodotypeAA
     \fi
   \else
     \@EA\dodotypeAA
   \fi}

\def\dodotypeAA
  {\afterassignment\protectfirsttype\let\next=}

\def\dodotypeAB
  {\bgroup
   \catcode`\}=\@@endgroup
   \catcode`\{=\@@begingroup
   \afterassignment\redotypeAB\global\globalscratchtoks}

\def\redotypeAB
  {\egroup
   \expandafter\convertargument\the\globalscratchtoks\to\ascii
   \ifx\scantokens\undefined\ascii\else\everyeof{\hskip-\spaceskip}\scantokens\expandafter{\ascii}\fi
   \egroup}

\bgroup
\catcode`\[=\@@begingroup
\catcode`\]=\@@endgroup
\catcode`\{=\@@active
\catcode`\}=\@@active
\gdef\initializetypegrouping
  [\ifnum\catcode`\{=\@@active
     \let\normalactivebgroup{%
     \let\normalactiveegroup}%
   \else
     \catcode`\{=\@@active
     \catcode`\}=\@@active
     \let\normalactivebgroup\leftargument
     \let\normalactiveegroup\rightargument
   \fi
   \def\activeleftargument
     [\bgroup
      \catcode`\}=\@@active
      \let}\activerightargument
      \normalactivebgroup]%
   \def\activerightargument
     [\normalactiveegroup
      \egroup]%
   \let{=\activeleftargument
   % not \let}=\egroup, otherwise things go wrong in alignments (???)
   \catcode`\}=\@@endgroup]
\egroup

\bgroup
\catcode`\<=\@@active
\catcode`\>=\@@active
\gdef\setupalternativetypegrouping
  {\catcode`\<=\@@active
   \catcode`\>=\@@active
   \def\doless
     {\ifx<\next
        \def\next
          {\bgroup\switchslantedtype
           \let\next=}%
      \else
        \let\next\lesscharacter
      \fi
      \next}%
   \def\domore
     {\ifx>\next
        \def\next
          {\egroup
           \let\next=}%
      \else
        \let\next\morecharacter
      \fi
      \next}%
   \def<{\futurelet\next\doless}%
   \def>{\futurelet\next\domore}}
\egroup

\def\setupnotypegrouping
  {\catcode`\<=\@@begingroup
   \catcode`\>=\@@endgroup}

\def\doenterdoublelesstype
  {\ifx\next\egroup
      \lesscharacter\null\lesscharacter
   \else
     \bgroup\switchslantedtype
     \let\doenterdoublemoretype\egroup
   \fi}

\def\doenterdoublemoretype
  {\def\doenterdoubletype
     {\ifx\next\egroup
        \morecharacter\null\morecharacter
      \fi}}

\bgroup
\catcode`\<=\@@active
\catcode`\>=\@@active
\gdef\setupgroupedtype
  {\catcode`\<=\@@active
   \catcode`\>=\@@active
   \def\doless
     {\ifx<\next
        \def\next
          {\def\enterdoubletype{\futurelet\next\doenterdoublelesstype}%
           \afterassignment\enterdoubletype
           \let\next=}%
      \else
        \let\next\lesscharacter
      \fi
      \next}%
   \def\domore
     {\ifx>\next
        \def\next
          {\def\enterdoubletype{\futurelet\next\doenterdoublemoretype}%
           \afterassignment\enterdoubletype
           \let\next=}%
      \else
        \let\next\morecharacter
      \fi
      \next}%
   \def<{\futurelet\next\doless}%
   \def>{\futurelet\next\domore}}
\egroup

\def\mksetupcommandsintype% can also be \string\
  {\setupgroupedtype
   \edef\\{\typingparameter\c!escape}%
   \letvalue{\\}=\\% for instance \/=/
   \@EA\catcode\@EA`\\=\@@escape
   \def\BTEX##1\ETEX##2% ##2 gobbles active space
     {\naturaltextext##1\unskip\relax}}

\def\mksetupslantedtype
  {\setupgroupedtype}

\let\protectedfirsttype\string % \relax for special cases

% The next one is safe for: \def\xx#1{\type{#1}} \xx{\ifx}

\bgroup
\catcode`\<=\active
\catcode`\>=\active
\gdef\doprotectfirsttype
  {\normalifx\next<%
     \endrobusttest \let\next\relax
   \normalelse\normalifx\next\bgroup
     \endrobusttest \let\next\relax
   \normalelse\normalifx\next\egroup % takes care of \type{}
     \endrobusttest \let\next\relax
   \normalelse\normalifx\next\activeleftargument
     \endrobusttest \let\next\relax
   \normalelse
     \endrobusttest \let\next\protectedfirsttype
   \normalfi\normalfi\normalfi\normalfi
   \next}
\egroup

\def\protectfirsttype
  {\beginrobusttest
   \futurelet\next\doprotectfirsttype}

% typing:

\def\mktypeblockverbatim#1#2%
  {\processdisplayverbatim{#2}} % needs to be fixed

% typefile:

\def\mktypefileverbatim     {\processfileverbatim     \readfilename} % #1
\def\mktypefilelinesverbatim{\processfilelinesverbatim\readfilename} % #1 / #2#3

\protect \endinput


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