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Bugfix of the previous commit.
[luatex-ja/luatexja.git] / src / luatexja-core.sty
index a59e56d..b0233cc 100644 (file)
 \newcount\ltj@tempcntc
 \newdimen\ltj@tempdima
 \newskip\ltj@tempskipa
+\newtoks\ltj@temptoks
 
-\newdimen\zw
-\newdimen\zh
+\newdimen\ltj@zw
+\newdimen\ltj@zh
 \newdimen\jQ \jQ=0.25mm
-\newdimen\jH \jH=0.25mm
+\let\jH=\jQ
 
 %%%%%%%% error message
 \def\ltj@defnum{0}
 
 %%%%%%%% Attributes for Japanese typesetting.
 \newluatexattribute\ltj@curjfnt   % index for ``current Japanese font''
+\newluatexattribute\jfam          % index for current jfam
 \newluatexattribute\ltj@charclass % 
 \newluatexattribute\ltj@yablshift % attribute for \yabaselineshift
 \newluatexattribute\ltj@ykblshift % attribute for \ykbaselineshift
     texio.write_nl("("..path..")")
     dofile(path)
   end
-  require('lualibs')
-  
-
-    }
-\RequireLuaModule{luatexja.rmlgbm} % For Ryumin-Light and GothicBBB-Medium.
-\RequireLuaModule{luatexja.charrange}
-\RequireLuaModule{luatexja.jfont}
-\RequireLuaModule{luatexja.stack}
-\RequireLuaModule{luatexja.pretreat}
-\RequireLuaModule{luatexja.inputbuf}
-\RequireLuaModule{luatexja.jfmglue}
-
-\directlua{
   ltj.loadlua('luatexja-core.lua')
 }
 
   \advance\ltj@tempcnta by1
 \repeat
 
+
 %%%%%%%% \asluastring
 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
 
 %%%%%%%% Redefine \/
-%\let\ltj@ic=\/ \protected\def\/{{\ltj@icflag=1\ltj@ic}}
-\protected\def\/{\directlua{luatexja.jfont.append_italic()}}
+\protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
 
 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
 
+%%%%%%%% \zw, \zh
+\def\zw{\directlua{luatexja.jfont.load_zw()}\ltj@zw}
+\def\zh{\directlua{luatexja.jfont.load_zh()}\ltj@zh}
+
+
 %%%%%%%% \inhibitglue
-\protected\def\inhibitglue{\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
+\protected\def\ltj@reset@globaldefs{%
+  \directlua{ltj.global_temp = tex.globaldefs; tex.globaldefs = 0}}
+\protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = ltj.global_temp}}
+\let\new@everypar=\everypar
+\protected\def\inhibitglue{\relax%
+  \ifvmode
+    \ltj@reset@globaldefs
+    \xdef\@@tempa{\the\everypar}%
+    \xdef\@@tempb{\everypar={\@@tempa}\@@tempa\noexpand\ltj@@ihb}%
+    \everypar\expandafter{\@@tempb}%
+    \ltj@restore@globaldefs
+  \else\ifhmode\ltj@@ihb\fi\fi}
+\def\ltj@@ihb{\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
+
+%%%%%%%% \yoko, \tate, \ifydir, \iftdir
+%% At this moment, tategaki mode is not implemented; 
+%% there is only yokogaki mode now.
+\let\yoko\relax
+\let\tate\relax
+\newif\ifydir\ydirtrue
+\newif\iftdir\tdirfalse
 
 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 \protected\def\ltjdefcharrange#1#2{%
-  \ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,\ignorespaces}
+  {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
   \ifx\ltj@temp\empty\let\@next=\relax\else
   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
   \else
     \def\ltj@temp{#1}%
-    \ifx\ltj@temp\empty\ltj@tempcnta='200 \else\ltj@tempcnta=#1 \fi
+    \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
     \def\ltj@temp{#2}%
-    \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF \else\ltj@tempcntb=#2 \fi%"
+    \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
   \fi
   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
     \the\ltj@tempcntc)}%
   \directlua{luatexja.stack.set_stack_table(ltj.isglobal, \asluastring{#3},
     \ltj@safe@num@or\ltj@defnum{#1},\ltj@safe@num@or\ltj@defnum{#2},#4,#5)}}
 
+% jatextfont = {<char_code>, <font_cs>}
+\define@key[ltj]{japaram}{jatextfont}{%
+  \expandafter\ltj@@set@stackfont#1:{mjtext}}
+\define@key[ltj]{japaram}{jascriptfont}{%
+  \expandafter\ltj@@set@stackfont#1:{mjscr}}
+\define@key[ltj]{japaram}{jascriptscriptfont}{%
+  \expandafter\ltj@@set@stackfont#1:{mjss}}
+\def\ltj@@set@stackfont#1,#2:#3{%
+  \ltj@reset@globaldefs
+  \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
+  \ifnum\ltj@curjfnt=-1
+    \@PackageError{luatexja-core}%
+    {\string#2 is not a control sequence that represents \MessageBreak
+     a Japanese font}{}%
+  \else
+    \directlua{luatexja.stack.set_stack_font(ltj.isglobal, \asluastring{#3},
+    \ltj@safe@num@or\ltj@defnum{#1}, \the\ltj@curjfnt)}%
+  \fi
+  \ltj@curjfnt=\ltj@tempcnta
+  \ltj@restore@globaldefs
+  }
+
 % yalbaselineshift = <dimen>
 % yjabaselineshift = <dimen>
 \define@key[ltj]{japaram}{yalbaselineshift}{%
     \directlua{ltj.ext_print_global()}\ltj@autoxspc=0
   \fi}
 
+% [x]]kanjiskip = <dimen>
 \define@key[ltj]{japaram}{kanjiskip}{%              % SKIP
   \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'kanjiskip', \ltj@safe@glue{#1})}}
 \define@key[ltj]{japaram}{xkanjiskip}{%             % SKIP
   \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'xkanjiskip', \ltj@safe@glue{#1})}}
+
+% jcharwidowpenalty = <count>
 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
   \ltj@@set@stack0,#1:{jwp}{-10000}{10000}}
 
   \fi\next
 }
 
-\protected\def\ltjsetparameter#1{\directlua{ltj.isglobal=''}%
+\protected\def\ltjsetparameter#1{%
+  \ifnum\globaldefs>0\directlua{ltj.isglobal='global'}\else\directlua{ltj.isglobal=''}\fi
   \setkeys[ltj]{japaram}{#1}\ignorespaces}
-\protected\def\ltjglobalsetparameter#1{\directlua{ltj.isglobal='global'}%
+\protected\def\ltjglobalsetparameter#1{%
+  \ifnum\globaldefs<0\directlua{ltj.isglobal=''}\else\directlua{ltj.isglobal='global'}\fi
   \setkeys[ltj]{japaram}{#1}\ignorespaces}
 
-%%%%%%%% 
+%%%%%%%% \ltjgetparameter
 \def\ltj@@decl@array@param#1{%
   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 }
   \directlua{ltj.ext_get_parameter_binary('#1', \ltj@safe@num{#2})}%
 }
 
+%%%%%%%% \ltjalchar<number>, \ltjjachar<number>
+\let\ltj@@origchar=\char
+\protected\def\ltj@alljachar{\relax
+    \csname ltj@kcat0\endcsname=0
+    \csname ltj@kcat1\endcsname=0
+    \csname ltj@kcat2\endcsname=0
+    \csname ltj@kcat3\endcsname=0
+    \csname ltj@kcat4\endcsname=0
+    \csname ltj@kcat5\endcsname=0
+    \csname ltj@kcat6\endcsname=0 }
+\protected\def\ltj@allalchar{\relax
+    \csname ltj@kcat0\endcsname="7FFFFFFF %"
+    \csname ltj@kcat1\endcsname="7FFFFFFF %"
+    \csname ltj@kcat2\endcsname="7FFFFFFF %"
+    \csname ltj@kcat3\endcsname="7FFFFFFF %"
+    \csname ltj@kcat4\endcsname="7FFFFFFF %"
+    \csname ltj@kcat5\endcsname="7FFFFFFF %"
+    \csname ltj@kcat6\endcsname="7FFFFFFF }%"
+
+\protected\def\ltjjachar{\afterassignment\ltj@@kchar\ltj@tempcnta}
+\def\ltj@@kchar{{\directlua{tex.globaldefs = 0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
+\protected\def\ltjalchar{\afterassignment\ltj@@achar\ltj@tempcnta}
+\def\ltj@@achar{{\directlua{tex.globaldefs = 0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 
 
-%\def\ltj@temp{plain}
-%\ifx\fmtname\ltj@temp
-%  \message{plain format: loading luatexja-plain.tex}
-%\fi
-%\input luatexja-plain.tex
-%\catcode`\@=12
-%\endinput
-%! ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
 
 %%------------------ Load module for the format