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% +--------------------------------------------------------+
% | Typeset luahyphenrules.tex to get the documentation. |
% +--------------------------------------------------------+
%
%% Copyright (C) 2016 Javier Bezos
%% All Rights Reserved
%% http://www.texnia.com
%%
%% This work may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3 of this
%% license or (at your option) any later version. The latest version
%% of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2003/12/01 or later.
%%
%% This work has the LPPL maintenance status "maintained".
%%
%% This Current Maintainer of this work is Javier Bezos.
%%
%% This work consists of the files luahyphenrules.tex and
%% luahyphenrules.sty.
\ProvidesPackage{luahyphenrules}
[2016/12/07 v1.0 language.dat reader lualatex]
% The code below is essentially the same as in babel.dtx, with a few
% minor changes. See the latter for further info.
\begingroup
\toks@{}
\count@\z@ % 0=start, 1=0th, 2=normal
\def\bbl@process@line#1#2 #3 #4 {%
\ifx=#1%
\bbl@process@synonym{#2}%
\else
\bbl@process@language{#1#2}{#3}{#4}%
\fi
\ignorespaces}
\def\bbl@manylang{%
\ifnum\bbl@last>\@ne
\bbl@info{Non-standard hyphenation setup}%
\fi
\let\bbl@manylang\relax}
\def\bbl@process@language#1#2#3{%
\ifcase\count@
\@ifundefined{zth@#1}{\count@\tw@}{\count@\@ne}%
\or
\count@\tw@
\fi
\ifnum\count@=\tw@
\expandafter\addlanguage\csname l@#1\endcsname
\language\allocationnumber
\chardef\bbl@last\allocationnumber
\bbl@manylang
\let\bbl@elt\relax
\xdef\bbl@languages{%
\bbl@languages\bbl@elt{#1}{\the\language}{#2}{#3}}%
\fi
\the\toks@
\toks@{}}
\def\bbl@process@synonym@aux#1#2{%
\global\expandafter\chardef\csname l@#1\endcsname#2\relax
\let\bbl@elt\relax
\xdef\bbl@languages{%
\bbl@languages\bbl@elt{#1}{#2}{}{}}}%
\def\bbl@process@synonym#1{%
\ifcase\count@
\toks@\expandafter{\the\toks@\relax\bbl@process@synonym{#1}}%
\or
\@ifundefined{zth@#1}{\bbl@process@synonym@aux{#1}{0}}{}%
\else
\bbl@process@synonym@aux{#1}{\the\bbl@last}%
\fi}
\ifx\bbl@languages\@undefined % Just a (sensible?) guess
\chardef\l@english\z@
\chardef\l@USenglish\z@
\chardef\bbl@last\z@
\global\@namedef{bbl@hyphendata@0}{{hyphen.tex}{}}
\gdef\bbl@languages{%
\bbl@elt{english}{0}{hyphen.tex}{}%
\bbl@elt{USenglish}{0}{}{}}
\else
\def\bbl@elt#1#2#3#4{% Remove all except language 0
\ifnum#2>\z@\else
\noexpand\bbl@elt{#1}{#2}{#3}{#4}%
\fi}%
\xdef\bbl@languages{\bbl@languages}%
\fi
\def\bbl@elt#1#2#3#4{\@namedef{zth@#1}{}} % Define flags
\bbl@languages
\openin1=language.dat
\ifeof1
\PackageWarning{luahyphenrules}%
{I couldn't find language.dat. No additional\MessageBreak
patterns loaded. Reported}%
\else
\loop
\endlinechar\m@ne
\read1 to \bbl@line
\endlinechar`\^^M
\if T\ifeof1F\fi T\relax
\ifx\bbl@line\@empty\else
\edef\bbl@line{\bbl@line\space\space\space}%
\expandafter\bbl@process@line\bbl@line\relax
\fi
\repeat
\fi
\endgroup
\def\bbl@get@enc#1:#2:#3\@@@{\def\bbl@hyph@enc{#2}}
\newcatcodetable\bbl@tempcattbl
\def\bbl@luapatterns#1#2{%
\bbl@get@enc#1::\@@@
\setbox\z@\hbox\bgroup
\begingroup
\savecatcodetable\bbl@tempcattbl
\catcodetable\catcodetable@latex
\input #1\relax
\catcodetable\bbl@tempcattbl
\endgroup
\def\bbl@tempa{#2}%
\ifx\bbl@tempa\@empty\else
\input #2\relax
\fi
\egroup}%
\newcommand\HyphenRules[1]{%
\language=\expandafter\ifx\csname l@#1:\f@encoding\endcsname\relax
\@ifundefined{l@#1}%
{\z@
\PackageError{luahyphenrules}%
{Unknown language `#1'. Either you have\MessageBreak
misspelled its name or language.dat doesn't define\MessageBreak
it. Words in this language won't be hyphenated.}%
{You may proceed, but expect wrong results}}%
{\csname l@#1\endcsname
\edef\bbl@tempa{#1}}%
\else
\csname l@#1:\f@encoding\endcsname
\edef\bbl@tempa{#1:\f@encoding}%
\fi\relax
\@ifundefined{bbl@hyphendata@\the\language}%
{\def\bbl@elt##1##2##3##4{% 1:name, 2:num, 3:pat-file, 4:exc-file
\ifnum##2=\csname l@\bbl@tempa\endcsname % tempa=spanish,dutch:OT1...
\def\bbl@tempb{##3}%
\ifx\bbl@tempb\@empty\else % if not a synonymous (if pat-file)
\def\bbl@tempc{{##3}{##4}}%
\fi
\expandafter\xdef\csname bbl@hyphendata@##2\endcsname{\bbl@tempc}%
\fi}%
\bbl@languages
\@ifundefined{bbl@hyphendata@\the\language}%
{\PackageInfo{luahyphenrules}%
{No hyphenation patterns were set for\MessageBreak
language ‘\bbl@tempa’. Reported}}%
{\expandafter\expandafter\expandafter\bbl@luapatterns
\csname bbl@hyphendata@\the\language\endcsname}}{}}
\endinput
|
