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Diffstat (limited to 'Master/texmf-dist/tex/context/base/syst-new.tex')
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diff --git a/Master/texmf-dist/tex/context/base/syst-new.tex b/Master/texmf-dist/tex/context/base/syst-new.tex new file mode 100644 index 00000000000..0172745bf4b --- /dev/null +++ b/Master/texmf-dist/tex/context/base/syst-new.tex @@ -0,0 +1,823 @@ +%D \module +%D [ file=supp-new, +%D version=1997.01.03, +%D title=\CONTEXT\ Support Macros, +%D subtitle=New Ones, +%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. + +%D Code from this module will move. For instance to +%D syst-dat.tex (datastructures). + +\unprotect + +% moved from core-ntb + +\def\v!oddeven#1{\ifodd#1\v!odd\else\v!even\fi} + +% For myself + +\newcount\nofprofiled + +\def\profilemacro#1% + {\nofprofiled\zerocount + \letvalue{\string#1\string#1}#1% + \appendtoks + \normalwritestatus\m!systems{profile \string#1: \number\nofprofiled}% + \to \everystoptext + \unexpanded\def#1% + {\global\advance\nofprofiled\plusone + \csname\string#1\string#1\endcsname}} + +% pretty ugly but fast + +% \copycsname xxx\endcsname\csname ..\endcsname + +\def\copycsname{\@EA\@EA\@EA\let\@EA\@EA\csname} + +% \letcscsname \crap \csname ..\endcsname +% \letcsnamecs \csname ..\endcsname\crap +% \letcsnamecsname\csname ..\endcsname\csname ..\endcsname + +\def\letcscsname {\@EA\let\@EA} +\def\letcsnamecs {\@EA\let} +\def\letcsnamecsname{\@EA\@EA\@EA\let\@EA\@EA} + +% another one, add an item to a commalist + +\def\addvalue#1#2% cs item + {\ifundefined{#1}\@EA\let\csname#1\endcsname\empty\fi + \expanded{\addtocommalist{#2}\@EA\noexpand\csname#1\endcsname}} + +% faster, and looks okay + +\dostepwiserecurse{0}{255}{1} + {\@EA\chardef\csname-\recurselevel\endcsname\recurselevel} + +\newtoks\withminorcharacters +\newtoks\withlowercharacters +\newtoks\withuppercharacters + +% \thewithcharacter#1 % self + +\dostepwiserecurse{0}{31}{1} + {\expanded + {\appendtoks\noexpand\withcharacter\csname-\recurselevel\endcsname + \noexpand\to\withminorcharacters}} + +\dostepwiserecurse{32}{127}{1} + {\expanded + {\appendtoks\noexpand\withcharacter\csname-\recurselevel\endcsname + \noexpand\to\withlowercharacters}} + +\dostepwiserecurse{128}{255}{1} + {\expanded + {\appendtoks\noexpand\withcharacter\csname-\recurselevel\endcsname + \noexpand\to\withuppercharacters}} + +\def\doassigncatcodes#1% + {\def\withcharacter##1{\catcode##1#1}% + \the\withminorcharacters + \the\withlowercharacters + \ifeightbitcharacters\the\withuppercharacters\fi} + +\def\makeallother + {\doassigncatcodes\@@other} + +\chardef\obeyedlccode=`. % so <32 and >127 chars become . + +% \def\obeylccodes +% {\def\withcharacter##1{\lccode##1##1}% +% \the\withlowercharacters +% \def\withcharacter##1{\lccode##1\obeyedlccode}% +% \the\withminorcharacters +% \ifeightbitcharacters\the\withuppercharacters\fi} + +\def\setownlccode #1{\lccode#1#1} +\def\setobeyedlccode#1{\lccode#1\obeyedlccode} + +\def\obeylccodes % also eightbitcharacters + {\let\withcharacter\setownlccode + \the\withlowercharacters + \let\withcharacter\setobeyedlccode + \the\withminorcharacters + \the\withuppercharacters + \relax} + +\def\retainlccodes % also eightbitcharacters + {\let\withcharacter\setownlccode + \the\withlowercharacters + \the\withminorcharacters + \the\withuppercharacters + \relax} + +% not faster +% +% \newtoks \retainedlccodes +% \dostepwiserecurse{0}{255}{1} +% {\appendetoks\lccode\recurselevel=\recurselevel\to\retainedlccodes} +% \appendetoks\relax\to\retainedlccodes + +%D This one is much faster in \ETEX. Hm, I misinterpreted +%D the specs; it does not work. +% +% \ifx\normallanguage\undefined \let\normallanguage\language \fi +% \let\doobeylccodes\obeylccodes +% +% \beginETEX \lccode +% \begingroup +% \normallanguage\zerocount +% \doobeylccodes +% \patterns{dummy} +% \endgroup +% \def\obeylccodes{\normallanguage\zerocount} +% \endETEX + +\def\unspaced#1% + {\dounspaced#1\end} + +\def\dounspaced#1% + {\ifx#1\end + \@EA\gobbleoneargument + \else + \ifx#1\blankspace\else#1\fi + \fi + \dounspaced} + +\def\unspaceargument#1\to#2% + {\convertargument#1\to#2% + \@EA\edef\@EA#2\@EA{\@EA\unspaced\@EA{#2}}} + +\def\unspaceafter#1#2% + {\edef\ascii{\dounspaced#2\end}\@EA#1\@EA{\ascii}} + +% etex, much faster +% +% \def\unspaceargument#1\to#2% +% {\scratchcounter\catcode'32\catcode32=\@@ignore +% \scantokens{\edef#2{#1}}% +% \catcode32=\scratchcounter} + +\def\unspaceafter#1#2% + {\edef\ascii{\dounspaced#2\end}\@EA#1\@EA{\ascii}} + +% this will replace loadfile once and alike !!! todo + +\def\@flg@{@flg@} + +\def\setflag#1% + {\@EA\dodoglobal\@EA\chardef\csname\@flg@#1\endcsname\zerocount} + +\def\resetflag#1% + {\@EA\dodoglobal\@EA\chardef\csname\@flg@#1\endcsname\plusone} + +\let\ifflagged\ifcase + +\def\flag#1{\csname\@flg@#1\endcsname} + +\def\doifelseflagged#1% + {\@EA\ifx\csname\@flg@#1\endcsname\relax + \@EA\secondoftwoarguments + \else\ifcase\csname\@flg@#1\endcsname + \@EAEAEA\firstoftwoarguments + \else + \@EAEAEA\secondoftwoarguments + \fi\fi} + +\def\doifnotflagged#1% + {\@EA\ifx\csname\@flg@#1\endcsname\relax + \@EA\firstofoneargument + \else\ifcase\csname\@flg@#1\endcsname + \@EAEAEA\gobbleoneargument + \else + \@EAEAEA\firstofoneargument + \fi\fi} + +\def\inheritparameter[#1]#2[#3]#4[#5]% tag tokey fromkey % [bypasses k!prefix] + {\@EAEAEA\def\@EA\csname\@EA#1\@EA#3\@EA\endcsname\@EA + {\csname#1#5\endcsname}} + +% \buildarray[test][aa,bb,cc,dd,ee,ff] +% \setarrayelement{test}{1}{qq} +% \arrayelement{test}{1} +% \arraylength{test} +% +% \def\buildarray[#1][#2]% +% {\scratchcounter=0 +% \def\docommando##1% +% {\advance\scratchcounter by 1 +% \setvalue{@@aa#1\the\scratchcounter}{##1}}% +% \processcommalist[#2]\docommando +% \setevalue{@@aa#1}{\the\scratchcounter}}% +% +% \def\setarrayelement#1#2{\setvalue{@@aa#1#2}} +% \def\arrayelement #1#2{\getvalue{@@aa#1#2}} +% \def\arraylength #1{\getvalue{@@aa#1}} + +% \newsignal\junksignal +% +% \def\setjunksignal% +% {\ifhmode +% \hskip\junksignal +% \let\removejunkspaces\doremovejunkspaces +% \else +% \let\removejunkspaces\relax +% \fi} +% +% \def\doremovejunkspaces% +% {\doloop{\ifdim\lastskip=\junksignal\unskip\else\exitloop\fi}} + +% \def\doifnonzeropositiveelse#1#2#3% +% {\bgroup +% \setbox\scratchbox=\hbox{\scratchcounter=0#1}% +% \ifdim\wd\scratchbox=\!!zeropoint\egroup#2\else\egroup#3\fi} +% +% \def\dodoifnonzeropositiveelse#1#2\end#3#4% +% {\egroup +% \ifx#1\relax#3\else#4\fi} +% +% \def\doifnonzeropositiveelse#1% +% {\bgroup +% \afterassignment\dodoifnonzeropositiveelse\scratchcounter=0#1\relax\empty\end} + +\def\dodoifnonzeropositiveelse#1#2\end#3#4% + {\ifx#1\relax + \ifcase\scratchcounter\endgroup#4\else\endgroup#3\fi\else\endgroup#4% + \fi} + +\def\doifnonzeropositiveelse#1% + {\begingroup\afterassignment\dodoifnonzeropositiveelse\scratchcounter=0#1\relax\empty\end} + +% here ? + +\def\dosetrawvalue #1#2#3{\@EA \def\csname#1#2\endcsname{#3}} +\def\dosetrawevalue#1#2#3{\@EA\edef\csname#1#2\endcsname{#3}} +\def\dosetrawgvalue#1#2#3{\@EA\gdef\csname#1#2\endcsname{#3}} +\def\dosetrawxvalue#1#2#3{\@EA\xdef\csname#1#2\endcsname{#3}} + +\def\getrawparameters {\dogetparameters\dosetrawvalue } +\def\getraweparameters {\dogetparameters\dosetrawevalue} +\def\getrawgparameters {\dogetparameters\dosetrawgvalue} +\def\getrawxparameters {\dogetparameters\dosetrawxvalue} + +\def\globalgetrawparameters{\dogetparameters\dosetrawgvalue} % obsolete + +\def\splitskip#1% + {\scratchskip\zeropoint \!!plus \onepoint \!!minus \onepoint + \advance\scratchskip#1\relax % \relax is realy needed here + \expandafter\SPLITSKIP\the\scratchskip} + +{\catcode`\.=\@@other + \catcode`\p=\@@other + \catcode`\l=\@@other + \catcode`\u=\@@other + \catcode`\s=\@@other + \catcode`\m=\@@other + \catcode`\i=\@@other + \catcode`\n=\@@other + \catcode`\t=\@@other + \gdef\SPLITSKIP#1pt plus #2pt minus #3pt% + {\DOSPLITSKIP#1 #2 #3 }} + +\def\DOSPLITSKIP#1 #2 #3 + {\dimen0=#1pt\dimen2=#2pt\dimen4=#3pt + \advance\dimen2 -\onepoint + \advance\dimen4 -\onepoint} + +% \def\minimaxskip#1#2% +% {\splitskip#2\relax +% \scratchdimen=#2\relax +% #2=\scratchdimen +% \advance#2 by #1\relax} +% +% \def\maximizeskip% +% {\minimaxskip{-\dimen4}} +% +% \def\maximizeskip% +% {\minimaxskip{\dimen2}} +% +% \def\maximizespacing% +% {\maximizeskip\blankskipamount +% \maximizeskip\parskip +% \maximizeskip\ctxparskip +% \maximizeskip\baselineskip +% \maximizeskip\bigskipamount +% \maximizeskip\medskipamount +% \maximizeskip\smallskipamount} + +\newcount\modcounter + +%\def\DoMod #1by#2to#3% +% {\modcounter#1\divide\modcounter#2\multiply\modcounter#2% +% #3#1\advance#3 -\modcounter} +% +%\def\DoDiv #1by#2to#3% +% {#3#1\divide#3 #2\relax} + +\def\dosetmodulo#1#2#3% + {\modcounter#1\divide\modcounter#2\multiply\modcounter#2% + #3#1\advance#3-\modcounter} + +\def\dosetdivision#1#2#3% + {#3#1\divide#3 #2\relax} + +\def\DoMod#1by#2to#3{\dosetmodulo {#1}{#2}{#3}} +\def\DoDiv#1by#2to#3{\dosetdivision{#1}{#2}{#3}} + +\def\dounprotected#1\par + {#1\protect} + +\def\unprotected + {\unprotect\dounprotected} + +%D Standaard kan een spatie (zoals ~) uitrekken. Dit is in +%D overzichten niet altijd de bedoeling, vandaar: + +%\def\fixedspace% +% {\hskip\fontdimen2\font\relax} + +%\def\ExpandSecondAfter#1#2#3% +% {\!!toksa={#2}% +% \edef\!!stringa{#3}% +% \edef\expanded% +% {\noexpand#1{\the\!!toksa}{\!!stringa}}% +% \expanded} +% +%\def\ExpandThirdAfter#1#2#3#4% +% {\!!toksa={#2}% +% \!!toksb={#3}% +% \edef\!!stringa{#4}% +% \edef\expanded% +% {\noexpand#1{\the\!!toksa}{\the\!!toksb}{\!!stringa}}% +% \expanded} + +%\def\indirect#1#2#3% +% {\@EA#1\@EA#2\@EA{\@EA#3\csname\s!do\string#2\endcsname}% +% \@EA#1\csname\s!do\string#2\endcsname} +% +%\def\doubleemptied#1#2#3% +% {\indirect#1#2\dodoublempty} +% +%\indirect\def\stelietsin\dodoubleempty[#1][#2]% +% {...} +% +%\doubleemptied\def\stelietsin[#1][#2]% +% {...} + +% in mult-set +% +%\def\defaultsetup{def} +% +%\def\selectdefaultsetup#1#2% +% {\writestatus{setup}{choose #1 setupfile}% +% \bgroup +% \endlinechar=-1 +% \global\read16 to \usersetup +% \egroup +% \ifx\usersetup\empty +% \let\usersetup=\defaultsetup +% \fi +% \readfile{#2\usersetup}{}{}% +% \writestatus{setup}{loading #1 setupfile #2\usersetup}} + +% awaiting the definitive implementation + +\ifx\resettimer\undefined + \let\resettimer \relax + \newcount\elapsedtime +\fi + +\newcount\featuretest + +\def\testfeature#1#2% + {\def\dotestfeature + {\advance\featuretest \plusone + \ifnum\featuretest>#1\else#2\expandafter\dotestfeature\fi}% + \retestfeature} + +\def\retestfeature % timer support is new per 10/5/2005 + {\bgroup + \ifcase\interactionmode\let\wait\relax\fi + \writestatus\m!systems{starting feature test}\wait + \resettimer + \featuretest\zerocount \dotestfeature + \scratchdimen\elapsedtime\s!sp + \writestatus\m!systems{feature test done (\expandafter\withoutpt\the\scratchdimen s)}% + \wait + \egroup} + +% \edef\elapsedtime{\expandafter\withoutpt\the\dimexpr\elapsedtime\relax s}% +% \writestatus\m!systems{feature test done (\elapsedtime)}% + +\def\testfeatureonce#1#2% + {\let\wait\relax\testfeature{#1}{#2}\end} + +%D \macros +%D {adddimenregister,adddimenmacro} +%D +%D Instead of using numerous \type {\advance}'s, one can use +%D the next macros to add|/|subtract a series of dimensions +%D to a register or macro. +%D +%D \starttyping +%D \adddimenregister 10pt 5pt \paperwidth \to \somedimen +%D \adddimenmacro 10pt 5pt \paperwidth \to \bagger +%D \stoptyping + +\newdimen\dimentoaddto + +\def\adddimenregister#1\to#2% will be obsolete once full etex + {\begingroup + #2=\zeropoint + \dimentoaddto\zeropoint + \def\docommando% + {\advance#2 \dimentoaddto + \futurelet\next\dodocommando}% + \def\dodocommando% + {\ifx\next\relax + \expanded{\endgroup#2=\the#2}% + \else + \@EA\afterassignment\@EA\docommando\@EA\dimentoaddto + \fi}% + \docommando#1\relax} + +\def\adddimenmacro#1\to#2% + {\adddimenregister#1\to\scratchdimen + \edef#2{\the\scratchdimen}} + +%D \macros +%D {freezedimenmacro} +%D +%D This macro is use as: +%D +%D \starttyping +%D \freezedimenmacro\leftmargindistance +%D \stoptyping + +\def\freezedimenmacro#1% + {\scratchdimen#1\edef#1{\the\scratchdimen}} + +%D The next one is slower: +%D +%D \starttyping +%D \def\freezedimenmacro#1{\edef#1{\the\dimexpr(#1)}} +%D \stoptyping + +% \newcount\rawrecursecounter +% +% \def\rawrecurselevel{\the\rawrecursecounter}% +% +% \def\dorawrecurse#1#2% +% {\rawrecursecounter\plusone +% \let\oldrecurselevel\recurselevel +% \let\recurselevel\rawrecurselevel +% \def\dodorawrecurse +% {\ifnum\rawrecursecounter>#1\relax +% \let\recurselevel\oldrecurselevel +% \else +% #2\advance\rawrecursecounter \plusone +% \expandafter\dodorawrecurse +% \fi}% +% \dodorawrecurse} + +%D The next macro negates a macro (dimension or number, or actually, whatever. +%D It's a typical example of \type {\if} usage: +%D +%D \starttyping +%D \if-\whatever \else-\whatever\fi => else => -whatever +%D \if--\whatever\else-\whatever\fi => then => whatever +%D \stoptyping + +\def\negated#1{\if-#1\else-#1\fi} % does only work in macros or text + +% This permits things like ^\index{hans}^, where hans is +% duplicated in the text. + +\newif\ifduplicate + +\bgroup + +\gdef\checkduplication % in line with Knuth + {\ifmmode\expandafter^\else\expandafter\startduplication\fi} + +\gdef\insideduplication + {\ifmmode\expandafter^\else\expandafter\egroup\fi} + +\catcode`\^=\@@active + +\gdef\enableduplication + {\catcode`\^=\@@active \let^\checkduplication} + +\gdef\disableduplication + {\catcode`\^=\@@superscript} + +\gdef\startduplication + {\bgroup \duplicatetrue \let^\insideduplication} + +\egroup + +\def\gobbleassigndimen#1\\{} + +\def\assigndimen#1#2% + {\afterassignment\gobbleassigndimen#1=#2\!!zeropoint\\} + +\def\setusage#1% + {\@EA\let\csname#1\endcsname\iftrue} + +\def\resetusage#1% + {\@EA\let\csname#1\endcsname\iffalse} + +\beginTEX + +\def\ifusage#1% + {\@EA\ifx\csname#1\endcsname\relax + \resetusage{#1}% + \fi + \csname#1\endcsname} + +\endTEX + +\beginETEX \ifcsname + +\def\ifusage#1% + {\ifcsname#1\endcsname\else + \resetusage{#1}% + \fi + \csname#1\endcsname} + +\endETEX + +%D Very handy, more efficient than \type{{}}, and more readable +%D than \type {\empty}. + +\let\donothing\empty + +% The following macros are used in XML handling. + +% \long\def\dowithstringed#1#2#3#4% " ' space +% {\if#4"\@EA#1\else\if#4'\@EAEAEA#2\else\@EAEAEA#3\fi\fi#4} +% +% \def\unstringed +% {\dowithstringed\unstringdouble\unstringsingle\unstringspaced} +% +% \long\def\unstringdouble"#1"{#1} +% \long\def\unstringsingle'#1'{#1} +% \long\def\unstringspaced #1 {#1} +% +% \def\grabstring +% {\dowithstringed\grabstringdouble\grabstringsingle\grabstringspaced} +% +% \def\dowithgrabbedstring#1% +% {\def\@@dowithgrabbedstring{#1}% +% \afterassignment\@@dowithgrabbedstring\grabstring} +% +% \long\def\grabstringdouble"#1"{\scratchtoks{#1}} +% \long\def\grabstringsingle'#1'{\scratchtoks{#1}} +% \long\def\grabstringspaced #1 {\scratchtoks{#1}} + +\long\setvalue{@u@s@"}#1#2"{#2} \long\setvalue{@g@s@"}#1#2"{\scratchtoks{#2}} +\long\setvalue{@u@s@'}#1#2'{#2} \long\setvalue{@g@s@'}#1#2'{\scratchtoks{#2}} +\long\setvalue{@u@s@ }#1#2 {#2} \long\setvalue{@g@s@ }#1#2 {\scratchtoks{#2}} + +\long\def\unstringed#1{\csname\ifcsname @u@s@#1\endcsname @u@s@#1\else\s!empty\fi\endcsname#1} +\long\def\grabstring#1{\csname\ifcsname @g@s@#1\endcsname @g@s@#1\else\s!empty\fi\endcsname#1} + +\def\dowithgrabbedstring#1% + {\def\@@dowithgrabbedstring{#1}% + \afterassignment\@@dowithgrabbedstring\grabstring} + +\def\expifequalelse#1#2% + {\@@ifequal#1\relax\relax\@@and#2\relax\relax\@@then} + +\def\@@ifequal#1#2\@@and#3% + {\ifx#1\relax + \ifx#3\relax + \@EAEAEA\@@if@@equal@@true + \else + \@EAEAEA\@@if@@equal@@false + \fi + \else + \ifx#3\relax + \@EAEAEAEAEAEA\@@if@@equal@@false + \else\ifx#1#3% + % go on + \else + \@EAEAEAEAEAEA\@@if@@equal@@false + \fi\fi + \fi + \@@ifequal#2\@@and} + +\long\def\@@if@@equal@@true #1\@@then#2#3{#2} +\long\def\@@if@@equal@@false#1\@@then#2#3{#3} + +%D new stuff : + +\def\partialexpanded#1% + {\let\notexpanded\noexpand + \long\xdef\@@expanded{\noexpand#1}% + \let\notexpanded\empty + \@@expanded} + +% for Simon ; watch how we make them fully expandable (i.e. +% no \type {\relax}es) popping up + +\def\@@dothenumber#1\relax#2\end{#1} + +\def\@@thenumber#1{\@EA\@@dothenumber\number#1\relax\end} + +\def\doifnum#1#2% + {\ifnum#1=\@@thenumber{#2} % space needed + \expandafter\firstofoneargument + \else + \expandafter\gobbleoneargument + \fi} + +\def\doifnotnum#1#2% + {\ifnum#1=\@@thenumber{#2} % space needed + \expandafter\gobbleoneargument + \else + \expandafter\firstofoneargument + \fi} + +\def\doifelsenum#1#2% + {\ifnum#1=\@@thenumber{#2} % space needed + \expandafter\firstoftwoarguments + \else + \expandafter\secondoftwoarguments + \fi} + +% \edef\xxxx{\doifnum{1}{2}{no}} \show \xxxx +% \edef\xxxx{\doifnum{2}{2}{yes}} \show \xxxx +% \scratchcounter0 \edef\xxxx{\doifnum{1}{\scratchcounter}{no}} \show \xxxx +% \scratchcounter1 \edef\xxxx{\doifnum{1}{\scratchcounter}{yes}} \show \xxxx + +\def\appended#1#2#3{\@EA#1\@EA#2\@EA{#2#3}} +\def\appendvalue #1{\@EA\appended\@EA \def\csname#1\endcsname} +\def\appendgvalue#1{\@EA\appended\@EA\gdef\csname#1\endcsname} + +\def\prepended#1#2#3{\scratchtoks{#3}\@EA\@EA\@EA#1\@EA\@EA\@EA#2\@EA\@EA\@EA{\@EA\the\@EA\scratchtoks#2}} +\def\prependvalue #1{\@EA\prepended\@EA \def\csname#1\endcsname} +\def\prependgvalue#1{\@EA\prepended\@EA\gdef\csname#1\endcsname} + +%D \macros +%D {compresscommacommandnrs,compresscommalistnrs,compressedcommalistnrs, +%D compresscommacommand,compresscommalist,compressedcommalist, +%D reversecommacommand,reversecommalist,reversedcommalist} +%D +%D The following two list processing macros are needed by Taco's +%D bibliography module. The numbers compressor converts the +%D list in a list of ranges. The normal compressor remove duplicate +%D and empty entries. + +\def\compresscommalistnrs[#1]% + {\let\compressedlist\empty + \!!counta\maxdimen + \!!countb\maxdimen + \processcommalist[#1]\docompresslistnrs + \ifnum\!!counta=\maxdimen\else\dodocompresslistnrs\fi} + +\def\compresscommacommandnrs[#1]% + {\expanded{\compresscommalistnrs[#1]}} + +\def\docompresslistnrs#1% + {\edef\commalistelement{#1}% + \ifx\commalistelement\empty\else + \ifnum\!!counta=\maxdimen + \!!counta\commalistelement\relax + \!!countb\!!counta + \else + \advance\!!countb\plusone + \ifnum\commalistelement>\!!countb + \advance\!!countb\minusone + \dodocompresslistnrs + \!!counta\commalistelement\relax + \!!countb\!!counta + \fi + \fi + \fi} + +\def\dodocompresslistnrs + {\edef\compressedlist + {\ifx\compressedlist\empty\else\compressedlist,\fi + {\the\!!counta}{\ifnum\!!countb>\!!counta\the\!!countb\fi}}} + +%D \def\test#1{{\tttf#1->\compresscommalistnrs[#1]\convertcommand\compressedlist\to\ascii\ascii}} +%D \startlines +%D \test{} +%D \test{1} +%D \test{1,3} +%D \test{1,3,4} +%D \test{1,3,3,4,5} +%D \test{1,3,3,4,5,8} +%D \test{1,3,3,4,5,5,8,10} +%D \test{1,3,4,5,8,10,11} +%D \test{1,,3,,4,,5,,8,,10,,11,} +%D \stoplines + +\def\compresscommalist[#1]% + {\let\compressedlist\empty + \let\!!stringa\empty + \processcommalist[#1]\docompresslist} + +\def\compresscommacommand[#1]% + {\expanded{\compresscommalist[#1]}} + +\def\docompresslist#1% + {\edef\commalistelement{#1}% + \ifx\commalistelement\empty \else + \ifx\!!stringa\commalistelement \else + \ifx\compressedlist\empty + \def\compressedlist{#1}% + \else + \appended\def\compressedlist{,#1}% + \fi + \let\!!stringa\commalistelement + \fi + \fi} + +%D \def\test#1{{\tttf#1->\compresscommalist[#1]\convertcommand\compressedlist\to\ascii\ascii}} +%D \startlines +%D \test{} +%D \test{1} +%D \test{1,3} +%D \test{1,3,4} +%D \test{1,3,3,4,5} +%D \test{1,3,3,4,5,8} +%D \test{1,3,3,4,5,5,8,10} +%D \test{1,3,4,5,8,10,11} +%D \test{1,,3,,4,,5,,8,,10,,11,} +%D \stoplines + +\def\reversecommalist[#1]% + {\let\reversedlist\empty + \processcommalist[#1]\doreverselist} + +\def\doreverselist#1% + {\ifx\reversedlist\empty + \def\reversedlist{#1}% + \else + \prepended\def\reversedlist{#1,}% + \fi} + +\def\reversecommacommand[#1]% + {\expanded{\reversecommalist[#1]}} + +%D \def\test#1{{\tttf#1->\reversecommalist[#1]\convertcommand\reversedlist\to\ascii\ascii}} +%D \startlines +%D \test{} +%D \test{1} +%D \test{1,3} +%D \test{1,3,4} +%D \test{1,3,3,4,5} +%D \test{1,3,3,4,5,8} +%D \test{1,3,3,4,5,5,8,10} +%D \test{1,3,4,5,8,10,11} +%D \test{1,,3,,4,,5,,8,,10,,11,} +%D \stoplines + +%D \macros +%D {stripstring} +%D +%D Needed in bookmarks: +%D +%D \starttyping +%D {\sanitizePDFdocencoding test \CONTEXT\ test \to\oeps\stripstring\oeps\tttf[\oeps]} +%D \stoptyping + +\def\stripstring#1% #1 is \cs + {\bgroup + \convertcommand#1\to\ascii + \global\let\globalascii\empty + \donefalse + \expandafter\handletokens\ascii\with\dostripstring + \egroup + \let#1\globalascii} + +\def\dostripstring#1% + {\ifx#1\blankspace + \donetrue + \else + \ifdone\ifx\globalascii\empty\else + \xdef\globalascii{\globalascii\space}% + \donefalse + \fi\fi + \xdef\globalascii{\globalascii#1}% + \fi} + +%D \macros +%D {dowithrange} +%D +%D This one is for Mojca Miklavec, who made me aware of the fact that +%D \type {page-imp.tex} was not the best place to hide it. + +\def\dowithrange#1#2% #2 takes number + {\splitstring#1\at:\to\fromrange\and\torange + \ifx\torange\empty\let\torange\fromrange\fi + \dostepwiserecurse\fromrange\torange1{#2{\recurselevel}}} + +\protect \endinput |