From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Mon, 2 Sep 2019 13:46:59 +0900
Subject: Initial commit

---
 language/japanese/pxbase/upkcat.sty | 79 +++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 language/japanese/pxbase/upkcat.sty

(limited to 'language/japanese/pxbase/upkcat.sty')

diff --git a/language/japanese/pxbase/upkcat.sty b/language/japanese/pxbase/upkcat.sty
new file mode 100644
index 0000000000..a97cbde36d
--- /dev/null
+++ b/language/japanese/pxbase/upkcat.sty
@@ -0,0 +1,79 @@
+%%
+%% This is file 'upkcat.sty'.
+%% 
+%% Copyright (c) 2017 Takayuki YATO (aka. "ZR")
+%%   GitHub:   https://github.com/zr-tex8r
+%%   Twitter:  @zr_tex8r
+%%
+%% This package is distributed under the MIT License.
+%%
+
+% Note: This package supports both upLaTeX and plain upTeX.
+
+%% avoid multiple loading
+\csname\if11upkcatstyLoaded\fi\endcsname
+%% code guards
+\edef\x{\catcode32=\the\catcode32%
+\catcode43=\the\catcode43\catcode45=\the\catcode45%
+\catcode46=\the\catcode46\catcode47=\the\catcode47%
+\catcode60=\the\catcode60\catcode63=\the\catcode63%
+\catcode64=\the\catcode64\catcode96=\the\catcode96%
+\endlinechar=\the\endlinechar\relax}
+\catcode32=10\relax\endlinechar=13\relax
+\catcode43=12 \catcode45=12 % <+><->
+\catcode46=12 \catcode47=12 % <.></>
+\catcode60=12 \catcode63=12 % <<><?>
+\catcode64=11 \catcode96=12 % <@><`>
+\edef\pxkq@restore@codes{\x\let\noexpand\pxkq@restore@codes\relax}
+%% check for LaTeX
+\ifx\RequirePackage\@undefined %<*!LaTeX>
+  \long\def\x#1\ProvidesPackage#2[#3]{\immediate\write-1{Package: #2 #3}}
+  \expandafter\x
+\else                          %<*LaTeX>
+  \RequirePackage{ifuptex}[2008/03/14]\RequireupTeX
+\fi                            %</LaTeX>
+
+%% package declaration
+\NeedsTeXFormat{pLaTeX2e}
+\ProvidesPackage{upkcat}[2017/06/19 v1.1a safe kcatcode access]
+
+%--------------------------------------- main
+
+%%<*> \getkcatcode{<jachar>}
+\def\getkcatcode#1{\pxkq@getcp{#1}%
+  \edef\thekcatcode{\the\kcatcode\pxkq@cp}}
+%%<*> \setkcatcode{<jachar>}{<value>}
+\def\setkcatcode#1#2{\pxkq@getcp{#1}\kcatcode\pxkq@cp#2}
+\newcount\pxkq@cp \newif\ifpxkq@ok
+\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
+\pxkq@restore@codes
+\endinput
+%% EOF
-- 
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