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Diffstat (limited to 'tex/context/base/mkiv/core-two.mkxl')
| -rw-r--r-- | tex/context/base/mkiv/core-two.mkxl | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/tex/context/base/mkiv/core-two.mkxl b/tex/context/base/mkiv/core-two.mkxl new file mode 100644 index 000000000..0299e76f5 --- /dev/null +++ b/tex/context/base/mkiv/core-two.mkxl @@ -0,0 +1,109 @@ +%D \module +%D [ file=core-two, % moved from core-uti +%D version=1997.03.31, +%D title=\CONTEXT\ Core Macros, +%D subtitle=Two Pass Data, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +\writestatus{loading}{ConTeXt Core Macros / Two Pass Data} + +%D This is a rather old mechanism which has not changed much over time, apart from +%D adding a few more selectors. This code used to be part of \type {core-uti}. The +%D following examples demonstrate the interface. +%D +%D \startbuffer +%D \definetwopasslist{test-1} +%D +%D \gettwopassdatalist{test-1} [\twopassdatalist=] +%D \checktwopassdata {test-1} [\twopassdata=] +%D \checktwopassdata {test-1} [\twopassdata=] +%D \gettwopassdata {test-1} [\twopassdata=] +%D \gettwopassdata {test-1} [\twopassdata=] +%D +%D \definetwopasslist{test-2} +%D +%D \lazysavetwopassdata{test-2}{1}{x} +%D \lazysavetwopassdata{test-2}{2}{y} +%D \lazysavetwopassdata{test-2}{3}{z} +%D +%D \gettwopassdatalist{test-2} [\twopassdatalist=x,y,z] +%D \checktwopassdata {test-2} [\twopassdata=x] +%D \checktwopassdata {test-2} [\twopassdata=x] +%D \gettwopassdata {test-2} [\twopassdata=x] +%D \gettwopassdata {test-2} [\twopassdata=y] +%D \gettwopassdata {test-2} [\twopassdata=z] +%D \gettwopassdata {test-2} [\twopassdata=] +%D +%D \definetwopasslist{test-3} +%D +%D \lazysavetaggedtwopassdata{test-3}{1}{x}{a} +%D \lazysavetaggedtwopassdata{test-3}{2}{y}{b} +%D \lazysavetaggedtwopassdata{test-3}{3}{z}{c} +%D +%D \findtwopassdata{test-3}{x} [\twopassdata=a] +%D \findtwopassdata{test-3}{y} [\twopassdata=b] +%D \findtwopassdata{test-3}{z} [\twopassdata=c] +%D \findtwopassdata{test-3}{w} [\twopassdata=] +%D +%D \definetwopasslist{test-4} +%D +%D \lazysavetwopassdata{test-4}{1}{A} +%D \lazysavetwopassdata{test-4}{2}{B} +%D \lazysavetwopassdata{test-4}{3}{C} +%D +%D \getfirsttwopassdata{test-4} [\twopassdata=A] +%D \getlasttwopassdata {test-4} [\twopassdata=C] +%D \getfirsttwopassdata{test-4} [\twopassdata=A] +%D \getlasttwopassdata {test-4} [\twopassdata=C] +%D \getfromtwopassdata {test-4}{1} [\twopassdata=A] +%D \getfromtwopassdata {test-4}{3} [\twopassdata=C] +%D \getfromtwopassdata {test-4}{2} [\twopassdata=B] +%D \stopbuffer +%D +%D \getbuffer \typebuffer + +\unprotect + +\registerctxluafile{core-two}{} + +\permanent\def\immediatesavetwopassdata #1#2#3{\normalexpanded{\noexpand\clf_savetwopassdata{#1}{#3}}} +\permanent\def \lazysavetwopassdata #1#2#3{\normalexpanded{\noexpand\ctxlatecommand{savetwopassdata("#1","#3")}}} +\permanent\let \savetwopassdata \lazysavetwopassdata +\permanent\def \savetaggedtwopassdata#1#2#3#4{\normalexpanded{\noexpand\clf_savetaggedtwopassdata{#1}{#3}{#4}}} +\permanent\def\lazysavetaggedtwopassdata#1#2#3#4{\normalexpanded{\noexpand\ctxlatecommand{savetaggedtwopassdata("#1",'#3',"#4")}}} + +% temp hack: needs a proper \starteverytimeluacode + +\setfalse\twopassdatafound +\let \twopassdata \empty +\let \twopassdatalist \empty + +\def\syst_twopass_check % can be delegated to lua once obsolete is gone + {\ifx\twopassdata\empty + \setfalse\twopassdatafound + \else + \settrue\twopassdatafound + \fi} + +\permanent\protected\def\definetwopasslist #1{\clf_definetwopasslist{#1}} +\permanent\protected\def\gettwopassdata #1{\edef\twopassdata {\clf_gettwopassdata {#1}}\syst_twopass_check} +\permanent\protected\def\checktwopassdata #1{\edef\twopassdata {\clf_checktwopassdata {#1}}\syst_twopass_check} +\permanent\protected\def\findtwopassdata #1#2{\edef\twopassdata {\clf_findtwopassdata {#1}{#2}}\syst_twopass_check} +\permanent\protected\def\getfirsttwopassdata #1{\edef\twopassdata {\clf_getfirsttwopassdata {#1}}\syst_twopass_check} +\permanent\protected\def\getlasttwopassdata #1{\edef\twopassdata {\clf_getlasttwopassdata {#1}}% + \edef\noftwopassitems{\clf_counttwopassdata {#1}}\syst_twopass_check} +\permanent\protected\def\getnamedtwopassdatalist#1#2{\edef #1{\clf_gettwopassdatalist {#2}}} +\permanent\protected\def\gettwopassdatalist #1{\edef\twopassdatalist{\clf_gettwopassdatalist {#1}}} + +\permanent\protected\def\doifelseintwopassdata #1#2{\clf_doifelseintwopassdata{#1}{#2}} + +\aliased\let\doifintwopassdataelse\doifelseintwopassdata +\aliased\let\getfromtwopassdata \findtwopassdata + +\protect \endinput |