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Diffstat (limited to 'Master/texmf-dist/tex/platex/pxbase/upkcat.sty')
-rw-r--r-- | Master/texmf-dist/tex/platex/pxbase/upkcat.sty | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/platex/pxbase/upkcat.sty b/Master/texmf-dist/tex/platex/pxbase/upkcat.sty new file mode 100644 index 00000000000..4f97b510c44 --- /dev/null +++ b/Master/texmf-dist/tex/platex/pxbase/upkcat.sty @@ -0,0 +1,50 @@ +% +% upkcat.sty (for both upLaTeX2e & plain upTeX) +% + +%%%% avoid multiple loading and check if LaTeX2e is used. +\ifx\pxkqOk\undefined\else \expandafter\endinput \fi +\edef\pxkqRestoreAt{\catcode64=\the\catcode64\relax}\catcode64=11 +\ifx\RequirePackage\@undefined % LaTeX2e + \NeedsTeXFormat{pLaTeX2e} + \ProvidesPackage{upkcat}[2008/03/14 v0.2 safe kcatcode access] + \RequirePackage{ifuptex}[2008/03/14]\RequireupTeX +\fi \let\pxkqOk=t + +%%%% \getkcatcode, \setkcatcode +\edef\skrestoreat{\catcode64=\the\catcode64}\catcode64=11 +\newcount\pxkq@cp \newif\ifpxkq@ok +\def\getkcatcode#1{\pxkq@getcp{#1}% + \edef\thekcatcode{\the\kcatcode\pxkq@cp}} +\def\setkcatcode#1#2{\pxkq@getcp{#1}\kcatcode\pxkq@cp#2} +\def\pxkq@getcp#1{\pxkq@getcp@a#1\relax\relax} +\def\pxkq@nxt#1#2#3#4#5{\pxkq@cp#1\loop + {\lccode`\?\pxkq@cp \advance\pxkq@cp-#3% + \lowercase{\expandafter\xdef\csname pxkq@#4?\endcsname}{#5}}% + \advance\pxkq@cp\@ne \ifnum\pxkq@cp<#2\repeat} +\pxkq@nxt{240}{248}{240}l{\pxkq@cp\the\pxkq@cp\noexpand\pxkq@da} +\pxkq@nxt{224}{240}{224}l{\pxkq@cp\the\pxkq@cp\noexpand\pxkq@ca} +\pxkq@nxt{194}{224}{192}l{\pxkq@cp\the\pxkq@cp\noexpand\pxkq@ba} +\pxkq@nxt{128}{192}{128}t{\advance\pxkq@cp\the\pxkq@cp\noexpand\pxkq@oktrue} +\def\pxkq@getcp@a#1{\pxkq@cp`#1\relax\pxkq@chkk#1% + \ifpxkq@ok \let\pxkq@nxt\pxkq@end \else + \expandafter\let\expandafter\pxkq@nxt\csname pxkq@l\string#1\endcsname + \ifx\pxkq@nxt\relax \let\pxkq@nxt\pxkq@err \fi + \fi \pxkq@nxt} +\def\pxkq@stp#1#2{\multiply\pxkq@cp64\pxkq@okfalse + \csname pxkq@t\string#2\endcsname + \ifpxkq@ok \expandafter#1\else \expandafter\pxkq@err \fi} +\def\pxkq@end#1\relax{} +\def\pxkq@ba{\pxkq@stp\pxkq@end}\def\pxkq@ca{\pxkq@stp\pxkq@cb} +\def\pxkq@cb{\pxkq@stp\pxkq@end}\def\pxkq@da{\pxkq@stp\pxkq@db} +\def\pxkq@db{\pxkq@stp\pxkq@dc}\def\pxkq@dc{\pxkq@stp\pxkq@end} +\begingroup\lccode`8=`k\lccode`9=`a \lowercase{\endgroup + \def\pxkq@chkk#1{\pxkq@okfalse\expandafter\pxkq@chkk@a\meaning#189\@nil} + \def\pxkq@chkk@a#189#2\@nil{\ifcat @#1@\pxkq@oktrue\fi}} +\def\pxkq@err#1\relax{\errhelp{I regard it as U+FFFF}% + \errmessage{Corrupted UTF-8 bytes}\pxkq@cp65535\relax} +%\def\pxkq@end#1\relax{\showthe\pxkq@cp} + +%%%% all done +\pxkqRestoreAt \endinput +%% EOF |