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%D \module
%D [ file=typo-rub,
%D version=2016.10.10,
%D title=\CONTEXT\ Typesetting Macros,
%D subtitle=Rubies,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
%D Experimental and unfinished.
% todo: distance
\writestatus{loading}{ConTeXt Typesetting Macros / Rubies}
\unprotect
\registerctxluafile{typo-rub}{autosuffix}
\definesystemattribute[ruby][public]
\installcorenamespace {ruby}
\installcorenamespace {rubyanalyze}
\installcorenamespace {rubyplacement}
\installcorenamespace {rubynumber}
\installcommandhandler \??ruby {ruby} \??ruby
% \appendtoks
% \clf_defineruby
% align {\rubyparameter\c!align}
% stretch {\rubyparameter\c!stretch}
% hoffset \rubyparameter\c!hoffset
% voffset \rubyparameter\c!voffset
% \relax
% \to \everydefineruby
\permanent\tolerant\protected\def\ruby[#1]#:#2#3%
{\dontleavehmode
\begingroup
\enforced\let\ruby\noruby
\cdef\currentruby{#1}%
\edef\p_location{\rubyparameter\c!location}%
% \enforced\let|\relax
\enforced\letcharcode\barasciicode\relax
\ifcsname\??rubyanalyze\p_location\endcsname
\expandafter\lastnamedcs\else\expandafter\typo_ruby_analyze
\fi{#2}{#3}%
\endgroup}
\permanent\tolerant\protected\def\noruby[#1]#:#2#3%
{#2}
\def\typo_ruby_analyze#1#2%
{\clf_ruby
base {#1}%
comment {#2}
\relax}
\defcsname\??rubyanalyze\v!top\endcsname#1#2%
{\clf_ruby
align {\rubyparameter\c!align}%
stretch {\rubyparameter\c!stretch}%
hoffset \rubyparameter\c!hoffset
voffset \rubyparameter\c!voffset
base {#1}%
comment {#2}
\relax}
\defcsname\??rubyplacement\v!top\endcsname#1#2%
{\setbox\scratchbox\hbox\bgroup
\userubystyleandcolor\c!style\c!color
#2%
\egroup
\clf_setruby \scratchbox
\relax
#1}
\defcsname\??rubyplacement\v!right\endcsname#1#2%
{#1%
\edef\p_distance{\rubyparameter\c!distance}%
\ifempty\p_distance\orelse\ifx\p_distance\v!none\else\hskip\p_distance\fi
\begingroup
\userubystyleandcolor\c!style\c!color
\rubyparameter\c!left#2\rubyparameter\c!right
\endgroup}
\defcsname\??rubyplacement\v!left\endcsname#1#2%
{\begingroup
\userubystyleandcolor\c!style\c!color
\rubyparameter\c!left#2\rubyparameter\c!right
\endgroup
\edef\p_distance{\rubyparameter\c!distance}%
\ifempty\p_distance\orelse\ifx\p_distance\v!none\else\hskip\p_distance\fi
#1}
\permanent\protected\def\setruby#1#2%
{\begingroup
\ifcsname\??rubyplacement\p_location\endcsname
\lastnamedcs{#1}{#2}%
\else
#1%
\fi
\endgroup}
\permanent\tolerant\protected\def\startruby[#1]%
{\dontleavehmode
\begingroup
\enforced\aliased\startruby\begingroup
\cdef\currentruby{#1}%
\clf_startruby
align {\rubyparameter\c!align}%
stretch {\rubyparameter\c!stretch}%
hoffset \rubyparameter\c!hoffset
voffset \rubyparameter\c!voffset
\relax}
\permanent\protected\def\stopruby
{\endgroup}
\setupruby
[\c!style=\txx,
\c!location=\v!top,
\c!left=(,
\c!right=),
\c!distance=\zeropoint, % \v!none means no skip at all so no break either
\c!hoffset=\zeropoint,
\c!voffset=-2\exheight]
%D Experiment too:
\permanent\protected\def\numberedruby[#1]#2%
{\doifnotcounter{\??rubynumber#1}{\definecounter[\??rubynumber#1]\setcounter[\??rubynumber#1][1]}%
\ruby[#1]{#2}{\convertedcounter[\??rubynumber#1]}%
\incrementcounter[\??rubynumber#1]%
\relax}
\protect \endinput
% \usemodule[art-01]\setupbodyfont[dejavu,12pt]
%
% \defineruby[auto] [align=auto,color=darkred]
% \defineruby[left] [align=flushleft,color=darkred]
% \defineruby[right] [align=flushright,color=darkred]
% \defineruby[spread][stretch=yes]
%
% \showframe \showglyphs \showfontkerns \setupinterlinespace[22pt]
%
% \starttext
%
% \startbuffer
% \dorecurse{20}{\ruby{XYZ}{a|bc|d} }\par
% \dorecurse{20}{\ruby{PQR}{p|q|r} }\par
% \dorecurse{20}{\ruby{XYZ}{1|22|333} }\par
% \dorecurse{20}{\ruby{XYZ}{111|222|333} }\par
% \dorecurse{20}{\ruby{XYZ}{foobar} }\par
% \dorecurse{20}{\ruby{XYZ}{fooledbar} }\par
% \dorecurse{20}{\ruby[spread]{XYZ}{fooledbar} }\par
% \dorecurse{20}{\ruby{extremely}{wide} }\par
% \dorecurse{20}{\ruby{wide}{extremely} }\par
% stopbuffer
%
% \testfeatureonce{1}{\start \setupinterlinespace[16pt] \setupruby[location=none] \getbuffer \stop \page}
% \testfeatureonce{1}{\start \setupinterlinespace[16pt] \setupruby[location=right] \getbuffer \stop \page}
% \testfeatureonce{1}{\start \setupinterlinespace[28pt] \setupruby[align=auto,color=darkred] \getbuffer \stop \page}
% \testfeatureonce{1}{\start \setupinterlinespace[28pt] \setupruby[align=flushleft,color=darkgreen] \getbuffer \stop \page}
% \testfeatureonce{1}{\start \setupinterlinespace[28pt] \setupruby[align=flushright,color=darkblue] \getbuffer \stop \page}
% \testfeatureonce{1}{\start \setupinterlinespace[28pt] \setupruby[align=middle,color=darkyellow] \getbuffer \stop \page}
%
% \stoptext
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