diff options
Diffstat (limited to 'language/japanese/BX/bxbase/bxutf8.def')
-rw-r--r-- | language/japanese/BX/bxbase/bxutf8.def | 182 |
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 |