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%D \module
%D [ file=core-pos,
%D version=2006.09.18,
%D title=\CONTEXT\ Core Macros,
%D subtitle=Positioning Support,
%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
% saveposition : tag page x y
% savepositionwhd : tag page x y w h d
% savepositionplus : tag page x y w h d list
%
% at some point (when we no longer share code) we will move to numbers
% do that we have less garbage collection and hashing
%
% the global table ptbs is equivalent to jobpositions.tobesaved
%
% btw, using a function is more efficient than passing longer code
% snippets to ctxlua
\registerctxluafile{core-pos}{1.001}
% \def\dolazysaveposition #1#2#3#4{\expanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4"}}}}
% \def\dolazysavepositionwhd #1#2#3#4#5#6#7{\expanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4","#5","#6","#7"}}}}
% \def\dolazysavepositionplus#1#2#3#4#5#6#7#8{\expanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4","#5","#6","#7","#8"}}}}
% \def\dosaveposition #1#2#3#4{\expanded{\ctxlua {ptbs['#1']={#2,"#3","#4"}}}}
% \def\dosavepositionwhd #1#2#3#4#5#6#7{\expanded{\ctxlua {ptbs['#1']={#2,"#3","#4","#5","#6","#7"}}}}
% \def\dosavepositionplus #1#2#3#4#5#6#7#8{\expanded{\ctxlua {ptbs['#1']={#2,"#3","#4","#5","#6","#7","#8"}}}}
\def\dolazysaveposition #1#2#3#4{\normalexpanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4"}}}}
\def\dolazysavepositionwhd #1#2#3#4#5#6#7{\normalexpanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4","#5","#6","#7"}}}}
\def\dolazysavepositionplus#1#2#3#4#5#6#7#8{\normalexpanded{\ctxlatelua{ptbs['#1']={#2,"#3","#4","#5","#6","#7","#8"}}}}
\def\dosaveposition #1#2#3#4{\normalexpanded{\ctxlua {ptbs['#1']={#2,"#3","#4"}}}}
\def\dosavepositionwhd #1#2#3#4#5#6#7{\normalexpanded{\ctxlua {ptbs['#1']={#2,"#3","#4","#5","#6","#7"}}}}
\def\dosavepositionplus #1#2#3#4#5#6#7#8{\normalexpanded{\ctxlua {ptbs['#1']={#2,"#3","#4","#5","#6","#7","#8"}}}}
\def\doifpositionelse #1{\ctxlua{jobpositions.doifelse('#1')}}
\def\copyposition #1#2{\ctxlua{jobpositions.copy('#1','#2')}}
\def\replacepospxywhd#1#2#3#4#5#6#7{\ctxlua{jobpositions.replace('#1',\number#2,"\the\dimexpr#3\relax","\the\dimexpr#4\relax","\the\dimexpr#5\relax","\the\dimexpr#6\relax","\the\dimexpr#7\relax")}}
\def\MPp #1{\ctxlua{jobpositions.MPp("#1")}}
\def\MPx #1{\ctxlua{jobpositions.MPx("#1")}}
\def\MPy #1{\ctxlua{jobpositions.MPy("#1")}}
\def\MPw #1{\ctxlua{jobpositions.MPw("#1")}}
\def\MPh #1{\ctxlua{jobpositions.MPh("#1")}}
\def\MPd #1{\ctxlua{jobpositions.MPd("#1")}}
\def\MPxy #1{\ctxlua{jobpositions.MPxy("#1")}}
\def\MPll #1{\ctxlua{jobpositions.MPll("#1")}}
\def\MPlr #1{\ctxlua{jobpositions.MPlr("#1")}}
\def\MPur #1{\ctxlua{jobpositions.MPur("#1")}}
\def\MPul #1{\ctxlua{jobpositions.MPul("#1")}}
\def\MPpos #1{\ctxlua{jobpositions.MPpos("#1")}}
\def\MPplus#1#2#3{\ctxlua{jobpositions.MPplus("#1",#2,"#3")}}
\def\MPrest #1#2{\ctxlua{jobpositions.MPrest("#1","#2")}}
\protect \endinput
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