summaryrefslogtreecommitdiff
path: root/language/japanese/BX/bxbase/bxutf8.def
diff options
context:
space:
mode:
Diffstat (limited to 'language/japanese/BX/bxbase/bxutf8.def')
-rw-r--r--language/japanese/BX/bxbase/bxutf8.def182
1 files changed, 182 insertions, 0 deletions
diff --git a/language/japanese/BX/bxbase/bxutf8.def b/language/japanese/BX/bxbase/bxutf8.def
new file mode 100644
index 0000000000..9fd2168425
--- /dev/null
+++ b/language/japanese/BX/bxbase/bxutf8.def
@@ -0,0 +1,182 @@
+%%
+%% This is file 'bxutf8.def'.
+%%
+%
+%% file declaration
+\ProvidesFile{bxutf8.def}[2017/05/29 v1.1 BX UTF-8 input encoding]
+%
+% Note: All definitions in this file should be local.
+% This file should not spill any spaces or \par.
+%
+%% code guards
+% Here spaces are set back to effective. So great care must be taken
+% so spaces should not be spilt out (in horizontal mode).
+\catcode32=10\relax
+\edef\bxus@i@restore@codes{%
+ \catcode33=\the\catcode33%
+ \catcode34=\the\catcode34%
+ \catcode39=\the\catcode39%
+ \catcode45=\the\catcode45%
+ \catcode46=\the\catcode46%
+ \catcode47=\the\catcode47%
+ \catcode58=\the\catcode58%
+ \catcode63=\the\catcode63%
+ \catcode96=\the\catcode96%
+\relax}
+\catcode33=12 % <!>
+\catcode34=12 % <">
+\catcode39=12 % <'>
+\catcode45=12 % <->
+\catcode46=12 % <.>
+\catcode47=12 % </>
+\catcode58=12 % <:>
+\catcode63=12 % <?>
+\catcode96=12 % <`>
+\g@addto@macro\bxus@i@restore@codes{%
+ \let\bxus@i@restore@codes\@undefined}%
+%
+%--------------------------------------- dynamic part
+%
+% abort when this is first loaded after \begin{document}
+\def\bxus@i@error{\PackageError{inputenc}}%
+\ifx\@nodocument\relax
+ \ifx\bxus@bxutf@loaded\@undefined
+ \bxus@i@error
+ {cannot load `bxutf8' after \string\begin{document}}\@eha
+ \bxus@i@restore@codes\endinput\fi\fi
+%
+%% load 'utf8' encoding
+\InputIfFileExists{utf8.def}{}%
+ {\bxus@i@error{input encoding `utf8' unavailable}\@eha
+ \bxus@i@restore@codes\endinput}%
+\makeatletter % is this needed??
+%\@inpenc@test % This is done in utf8.def
+%
+%% attach the hook
+\def\UTFviii@two@octets#1#2{\expandafter\bxus@choice
+ \csname u8:#1\string#2\endcsname#1#2.@}%
+\def\UTFviii@three@octets#1#2#3{\expandafter\bxus@choice
+ \csname u8:#1\string#2\string#3\endcsname#1#2#3@}%
+\def\UTFviii@four@octets#1#2#3#4{\expandafter\bxus@choice@four
+ \csname u8:#1\string#2\string#3\string#4\endcsname#1#2#3#4@}%
+%
+% When this file is reloaded, the 'static' part will be skipped.
+\ifx\bxus@bxutf@loaded\@undefined\else
+ \bxus@i@restore@codes\endinput \fi
+\let\bxus@bxutf@loaded=t%
+%
+%--------------------------------------- static part
+%
+%% error messages
+\def\bxus@err@uknbc{\bxus@i@error
+ {Unknown non-BMP character found}%
+ {bxutf8 cannot handle non-BMP characters.}}%
+\def\bxus@err@nodrv{\bxus@i@error
+ {Unicode driver not found}\@ehb}%
+%
+%% make tables for 'nybble conversion'
+\def\bxus@fornbl{%
+ \bxus@fornbl@a00001102203310411512613720821922A23B30C31D32E33FXXX}%
+\def\bxus@fornbl@a#1#2#3{%
+ \if X#1\else
+ \@namedef{bxus@*#1#2}{#3}%
+ \bxus@defchr{F#3}{0#1#2}\bxus@defchr{E#3}{#1#2}%
+ \bxus@defchr{C#3}{000#1#2}\bxus@defchr{D#3}{001#1#2}%
+ \bxus@defchr{8#3}{0#1#2}\bxus@defchr{9#3}{1#1#2}%
+ \bxus@defchr{A#3}{2#1#2}\bxus@defchr{B#3}{3#1#2}%
+ \expandafter\bxus@fornbl@a\fi}%
+\def\bxus@defchr#1#2{%
+ {\lccode`\!="#1%
+ \lowercase{\expandafter\gdef\csname bxus@@!\endcsname{#2}}}}%
+\bxus@fornbl \@namedef{bxus@@.}{}%
+%
+%% \bxcs@choice
+% Called in the form
+% \bxus@choice[\u8:??]??.@ (2-byte) or
+% \bxus@choice[\u8:???]???@ (3-byte)
+% where ?? is a (TF-8 byte string and [\u8:...] denotes a single
+% control word. This macro expands to the control word if it is
+% defined; otherwise expands to \bxus@proc.
+\def\bxus@choice#1#2@{%
+ \ifx#1\relax \bxus@proc#2%
+ \else\expandafter#1\fi}%
+%
+%% \bxus@choice@four
+\def\bxus@choice@four#1#2@{%
+ \ifx#1\relax \bxus@prociv#2%
+ \else\expandafter#1\fi}%
+%
+%% \bxus@proc
+% When ??? is the UTF-8 string of U+XXXX (padded to length 3 with
+% a dot), then \bxus@proc@a??? fully expands to \bxUHex{XXXX}.
+% (\bxUHex should be robust.)
+\def\bxus@proc#1#2#3{%
+ \expandafter\bxus@proc@b\csname bxus@@\string#1\expandafter\endcsname
+ \csname bxus@@\string#2\expandafter\endcsname
+ \csname bxus@@\string#3\endcsname}%
+\def\bxus@proc@b#1#2#3{%
+ \expandafter\expandafter\expandafter\expandafter
+ \expandafter\expandafter\expandafter\bxus@proc@c
+ \expandafter\expandafter\expandafter#1%
+ \expandafter#2#3}%
+\def\bxus@proc@c#1#2#3#4#5#6#7#8{%
+ \expandafter\bxus@proc@d\csname bxus@*#1#2\expandafter\endcsname
+ \csname bxus@*#3#4\expandafter\endcsname
+ \csname bxus@*#5#6\expandafter\endcsname
+ \csname bxus@*#7#8\endcsname}%
+\def\bxus@proc@d#1#2{%
+ \expandafter\expandafter\expandafter\bxus@proc@e
+ \expandafter#1#2\@nil}%
+\def\bxus@proc@e#1\@nil#2#3{%
+ \bxus@proc@f#2#3#1\@nil}%
+\def\bxus@proc@f#1#2{%
+ \expandafter\expandafter\expandafter\bxus@proc@g
+ \expandafter#1#2\@nil}%
+\def\bxus@proc@g#1\@nil#2\@nil{%
+ \bxUHex{#2#1}}%
+%
+%% \bxus@prociv
+% The variant of \bxus@proc that is adapted to 4-octet sequences.
+\def\bxus@prociv#1#2#3#4{%
+ \expandafter\bxus@prociv@a\csname bxus@@\string#1\expandafter\endcsname
+ \csname bxus@@\string#2\expandafter\endcsname
+ \csname bxus@@\string#3\expandafter\endcsname
+ \csname bxus@@\string#4\endcsname}%
+\def\bxus@prociv@a#1#2#3#4{%
+ \expandafter\expandafter\expandafter\bxus@prociv@b
+ \expandafter#3#4@#1#2}%
+\def\bxus@prociv@b#1@#2#3{%
+ \expandafter\expandafter\expandafter\bxus@prociv@c
+ \expandafter#2#3#1@@}%
+\def\bxus@prociv@c#1#2#3#4{%
+ \expandafter\bxus@prociv@d\csname bxus@*#1#2\expandafter\endcsname
+ \csname bxus@*#3#4\endcsname}%
+\def\bxus@prociv@d#1#2{%
+ \expandafter\expandafter\expandafter\bxus@prociv@e
+ \expandafter#1#2}%
+\def\bxus@prociv@e#1#2#3@#4@{\bxus@prociv@f#3@#4#1#2@}%
+\def\bxus@prociv@f#1#2#3#4{%
+ \expandafter\bxus@prociv@g\csname bxus@*#1#2\expandafter\endcsname
+ \csname bxus@*#3#4\endcsname}%
+\def\bxus@prociv@g#1#2{%
+ \expandafter\expandafter\expandafter\bxus@prociv@h
+ \expandafter#1#2}%
+\def\bxus@prociv@h#1#2#3@#4@{\bxus@prociv@i#3@#4#1#2@}%
+\def\bxus@prociv@i#1#2#3#4{%
+ \expandafter\bxus@prociv@j\csname bxus@*#1#2\expandafter\endcsname
+ \csname bxus@*#3#4\endcsname}%
+\def\bxus@prociv@j#1#2{%
+ \expandafter\expandafter\expandafter\bxus@prociv@k
+ \expandafter#1#2}%
+\def\bxus@prociv@k#1#2@#3@{\bxUHex{#3#1#2}}%
+%
+%
+%% default (useless) Unicode driver
+% Note: this \bxUHex definition is used for check.
+\providecommand*\bxUHex{\bxUHexDummyBxutf}%
+\newcommand*\bxUHexDummyBxutf[1]{?\protect\bxus@err@nodrv}%
+%
+%--------------------------------------- all done
+\bxus@i@restore@codes
+\endinput
+%% EOF