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Use everysel package for patching \selectfont.
[luatex-ja/luatexja.git] / src / luatexja-core.sty
1 %
2 % luatexja-core.sty
3 %
4
5 %! 外から読まれるので仰々しくなってます
6 %% Avoid multiple loading.
7 \csname\if11luatexjacoreLoaded\fi\endcsname
8 \edef\x{%
9 \catcode32=\the\catcode32%
10 \catcode33=\the\catcode33%
11 \catcode35=\the\catcode35%
12 \catcode40=\the\catcode40%
13 \catcode41=\the\catcode41%
14 \catcode42=\the\catcode42%
15 \catcode43=\the\catcode43%
16 \catcode44=\the\catcode44%
17 \catcode45=\the\catcode45%
18 \catcode46=\the\catcode46%
19 \catcode58=\the\catcode58%
20 \catcode59=\the\catcode59%
21 \catcode60=\the\catcode60%
22 \catcode61=\the\catcode61%
23 \catcode62=\the\catcode62%
24 \catcode64=\the\catcode64%
25 \catcode91=\the\catcode91%
26 \catcode93=\the\catcode93%
27 \catcode94=\the\catcode94%
28 \catcode95=\the\catcode95%
29 \catcode126=\the\catcode126%
30 \endlinechar=\the\endlinechar
31 \relax}
32 \catcode32=10 %< >
33 \catcode33=12 %<">
34 \catcode35=6  %<#>
35 \catcode40=12 %<(>
36 \catcode41=12 %<)>
37 \catcode42=12 %<*>
38 \catcode43=12 %<+>
39 \catcode44=12 %<,>
40 \catcode45=12 %<->
41 \catcode46=12 %<.>
42 \catcode58=12 %<:>
43 \catcode59=12 %<;>
44 \catcode60=12 %<<>
45 \catcode61=12 %<=>
46 \catcode62=12 %<>>
47 \catcode64=11 %<@>
48 \catcode91=12 %<[>
49 \catcode93=12 %<]>
50 \catcode94=7  %<^>
51 \catcode95=8  %<_>
52 \catcode126=13 %<~>
53 \endlinechar=-1 %
54 %! なお, 上のcatcode設定はcoreとcompatで同一にしておく.
55 \edef\ltj@core@AtEnd{\x
56   \noexpand\let\noexpand\ltj@core@AtEnd\relax}
57 \def\luatexjacoreLoaded{\endinput}
58
59 %% Check if LaTeX is used.
60 \begingroup\expandafter\expandafter\expandafter\endgroup
61 \expandafter\ifx\csname RequirePackage\endcsname\relax %<*!LaTeX>
62   \expandafter\let\csname ifltj@in@latex\expandafter\endcsname
63     \csname iffalse\endcsname
64 \else                           %<*LaTeX>
65   \expandafter\let\csname ifltj@in@latex\expandafter\endcsname
66     \csname iftrue\endcsname
67   \NeedsTeXFormat{LaTeX2e}
68   \ProvidesPackage{luatexja-core}[2014/02/01 Core of LuaTeX-ja]
69 \fi                             %</LaTeX>
70
71 %% Load prerequisite packages.
72 \endlinechar=13 %
73 %! 外部パッケージは普通の \endlinechar で読まないと危険.
74 \ifltj@in@latex                 %<*LaTeX>
75   \RequirePackage{luaotfload} [2013/05/10] % v2.2
76   \RequirePackage{infwarerr}  [2010/04/08] % v1.3
77   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
78   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
79   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
80 \else                           %<*!LaTeX>
81   \input luaotfload.sty
82   \input infwarerr.sty
83   \input ltxcmds.sty
84   \input pdftexcmds.sty
85   \input xkeyval
86 \fi                             %</LaTeX>
87 \endlinechar=-1 %
88
89 %% Check if LuaTeX is used
90 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
91   % Loading is silently aborted, since the notice of the wrong
92   % engine is aldready shown in otfluaload.
93   \ltj@core@AtEnd
94 \expandafter\endinput\fi\relax
95
96 %% Check LuaTeX version.
97 \ifnum\luatexversion<74
98   \@PackageError{luatexja-core}
99     {This LuaTeX engine is too old for this package;\MessageBreak
100      at least beta-0.74.0 is needed}
101     {Package loading is aborted now.\MessageBreak}
102 \expandafter\endinput\fi\relax
103
104  \@PackageInfoNoLine{luatexja-core}
105     {using\space%
106   \directlua{if node.direct==node then tex.write('traditional node')
107   else tex.write('DIRECT') end} node access model}
108
109 %! なお、luatexbase-compat の説明に従うと、LuaTeX 拡張プリミティブは
110 %! plain/LaTeX の両方で \luatex 付の名前(\directlua はそのまま)
111 %! で使えると考えてよい。
112
113 %% \LuaTeXjaAvailable
114 %! 環境検査にパスした時に定義される.
115 \let\LuaTeXjaAvailable=t %
116
117 %%------------------
118 \endlinechar=13
119 %! この中に master の luatexja-core.sty の内容を挿入する
120 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
121 % LuaTeX-ja core TeX source
122
123 \catcode"FFFFF=14 %"
124
125 \def\ltj@loaded{hoge}
126
127 \newdimen\ltj@zw
128 \newdimen\ltj@zh
129 \newdimen\jQ \jQ=0.25mm
130 \let\jH=\jQ
131
132 %%%%%%%% error message
133 \def\ltj@defnum{0}
134 \def\ltj@defdimen{0}
135
136 %%%%%%%% Attributes for Japanese typesetting.
137 \newluatexattribute\ltj@icflag    % attribute for italic correction
138 \newluatexattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
139 \newluatexattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
140 \newluatexattribute\ltj@origchar  %
141 \newluatexattribute\ltj@charclass %
142 \newluatexattribute\ltj@autospc   % attribute for autospacing
143 \newluatexattribute\ltj@autoxspc  % attribute for autoxspacing
144 \newluatexattribute\ltj@yablshift % attribute for yalbaselineshift
145 \newluatexattribute\ltj@ykblshift % attribute for yjabaselineshift
146 \newluatexattribute\ltj@tablshift % attribute for talbaselineshift
147 \newluatexattribute\ltj@tkblshift % attribute for tjabaselineshift
148 \newluatexattribute\jfam          % index for current jfam
149 \newluatexattribute\ltj@dir       % temp attr for indicating box direction
150
151 \ltj@dir=0
152 \ltj@icflag=0
153 \ltj@origchar=0
154 \ltj@charclass=0
155 \ltj@curjfnt=-1
156 \ltj@curtfnt=-1
157
158 %%%%%%%% Attributes for character ranges
159 \newcount\ltj@tempcnta
160 \ltj@tempcnta=0
161 \loop\ifnum\ltj@tempcnta<7
162   \expandafter\newluatexattribute%
163     \csname ltj@kcat\the\ltj@tempcnta\endcsname
164   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
165   \advance\ltj@tempcnta by1
166 \repeat
167
168
169 %%%%%%%% Loading luatexja.lua
170 %% Quark tokens needed in ltj-base
171 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
172 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
173
174 \directlua{%
175   luatexja = {}
176   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
177       "File `luatexja.lua' not found"))
178 }
179
180 %% \RequireLuaTeXjaSubmodule{name}[date]
181 % A TeX version of luatexja.load_module(name)
182 % The second optional argument [date] is simply ignored.
183 \def\RequireLuaTeXjaSubmodule#1{%
184   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
185 \def\ltj@requirelua@submod#1[#2]{%
186   \directlua{luatexja.load_module(
187     "\luatexluaescapestring{#1}")}}
188
189
190 %%%%%%%% Load all sub-packages.
191 \ifltj@in@latex                 %<*LaTeX>
192   \RequirePackage{ltj-base}   [2013/05/14]
193 \else                           %<*!LaTeX>
194   \input ltj-base.sty %
195 \fi                             %</LaTeX>
196
197 %%%%%%%% \asluastring
198 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
199
200 %%%%%%%% Redefine \/
201 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
202
203 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
204 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
205 \protected\def\globaljfont{%
206   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
207 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY('yoko')}}
208
209 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
210 \protected\def\tfont{\afterassignment\ltj@@tfont\directlua{luatexja.jfont.jfontdefX(false)}}
211 \protected\def\globaltfont{%
212   \afterassignment\ltj@@tfont\directlua{luatexja.jfont.jfontdefX(true)}}
213 \def\ltj@@tfont{\directlua{luatexja.jfont.jfontdefY('tate')}}
214
215
216 %%%%%%%% \zw, \zh
217 \protected\def\zw{\directlua{tex.setdimen('ltj@zw', luatexja.jfont.get_zw())}\ltj@zw}
218 \protected\def\zh{\directlua{tex.setdimen('ltj@zh', luatexja.jfont.get_zh())}\ltj@zh}
219
220 %%%%%%%% \inhibitglue
221 \protected\def\ltj@reset@globaldefs{%
222   \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
223 \protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}}
224 \protected\def\inhibitglue{\ifhmode\ltj@@ihb\fi}
225 \def\ltj@@ihb{\relax\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
226
227 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
228 \protected\def\ltjdefcharrange#1#2{%
229   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
230 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
231   \ifx\ltj@temp\empty\let\@next=\relax\else
232   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
233 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
234 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
235   \ifx\ltj@temp\empty
236     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
237   \else
238     \def\ltj@temp{#1}%
239     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
240     \def\ltj@temp{#2}%
241     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
242   \fi
243   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
244     \the\ltj@tempcntc)}%
245   }
246
247 %%%%%%%% \ltjsetparameter
248 \newcount\ltj@@stack \newcount\ltj@@group@level
249 \ltj@@group@level=0 \ltj@@stack=0
250
251 \setbox0\hbox{%
252   \directlua{% This value depends on the version of LuaTeX.
253     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
254   }%
255 }
256
257 % prebreakpenalty = {<char_code>, <penalty>}
258 \define@key[ltj]{japaram}{kcatcode}{%
259   \expandafter\ltj@@set@stack#1:{KCAT}{0}{0x7FFFFFFF}}
260 \define@key[ltj]{japaram}{prebreakpenalty}{%
261   \expandafter\ltj@@set@stack#1:{PRE}{-10000}{10000}}
262 \define@key[ltj]{japaram}{postbreakpenalty}{%
263   \expandafter\ltj@@set@stack#1:{POST}{-10000}{10000}}
264 \def\ltj@@set@stack#1,#2:#3#4#5{%
265   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
266     \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
267
268 % jatextfont = {<char_code>, <font_cs>}
269 % only horizontal font is supported
270 \define@key[ltj]{japaram}{jatextfont}{%
271   \expandafter\ltj@@set@stackfont#1:{MJT}}
272 \define@key[ltj]{japaram}{jascriptfont}{%
273   \expandafter\ltj@@set@stackfont#1:{MJS}}
274 \define@key[ltj]{japaram}{jascriptscriptfont}{%
275   \expandafter\ltj@@set@stackfont#1:{MJSS}}
276 \protected\def\ltj@@set@stackfont#1,#2:#3{%
277   \ltj@reset@globaldefs
278   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
279   \ifnum\ltj@curjfnt=-1
280     \@PackageError{luatexja-core}%
281     {\string#2 is not a control sequence that represents \MessageBreak
282      a Japanese font}{}%
283   \else
284     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
285     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
286   \fi
287   \ltj@curjfnt=\ltj@tempcnta
288   \ltj@restore@globaldefs
289   }
290
291 % yalbaselineshift = <dimen>
292 % yjabaselineshift = <dimen>
293 \define@key[ltj]{japaram}{yalbaselineshift}{%
294   \directlua{tex.setattribute(luatexja.isglobal,
295     luatexbase.attributes['ltj@yablshift'],
296     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
297 \define@key[ltj]{japaram}{yjabaselineshift}{%
298   \directlua{tex.setattribute(luatexja.isglobal,
299     luatexbase.attributes['ltj@ykblshift'],
300     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
301 % talbaselineshift = <dimen>
302 % tjabaselineshift = <dimen>
303 \define@key[ltj]{japaram}{talbaselineshift}{%
304   \directlua{tex.setattribute(luatexja.isglobal,
305     luatexbase.attributes['ltj@tablshift'],
306     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
307 \define@key[ltj]{japaram}{tjabaselineshift}{%
308   \directlua{tex.setattribute(luatexja.isglobal,
309     luatexbase.attributes['ltj@tkblshift'],
310     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
311
312 % jaxspmode = {<char_code>, <mode>}
313 % mode: inhibit, preonly, postonly, allow
314 %    or       0        1         2      3
315 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
316   \expandafter\ltj@set@jaxspmode#1:\relax}
317 \def\ltj@set@jaxspmode#1,#2:{%
318   \lowercase{\edef\ltj@temp{#2}}%
319   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
320   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
321   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
322   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
323   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.XSP,
324     \ltj@safe@num@or{nil}{#1},
325     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
326
327 % alxspmode = {<char_code>, <mode>}
328 % mode: inhibit, preonly, postonly, allow
329 %    or       0        1         2      3
330 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
331   \expandafter\ltj@set@alxspmode#1:\relax}
332 \def\ltj@set@alxspmode#1,#2:{%
333   \lowercase{\edef\ltj@temp{#2}}%
334   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
335   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
336   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
337   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
338   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.XSP,
339     \ltj@safe@num@or{nil}{#1},
340     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
341
342 % autospacing = <bool> (default: true)
343 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
344   \ifltj@japaram@autospacing
345     \directlua{luatexja.ext_print_global()}\ltj@autospc=1
346   \else
347     \directlua{luatexja.ext_print_global()}\ltj@autospc=0
348   \fi}
349
350 % autoxspacing = <bool> (default: true)
351 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
352   \ifltj@japaram@autoxspacing
353     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=1
354   \else
355     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=0
356   \fi}
357
358 % [x]]kanjiskip = <dimen>
359 \define@key[ltj]{japaram}{kanjiskip}{%              % SKIP
360   \directlua{%
361     local d = \ltj@safe@glue{#1}
362     luatexja.stack.set_stack_skip(luatexja.stack_table_index.KSK, d); node.free(d)
363 }}
364 \define@key[ltj]{japaram}{xkanjiskip}{%             % SKIP
365   \directlua{%
366     local d = \ltj@safe@glue{#1}
367     luatexja.stack.set_stack_skip(luatexja.stack_table_index.XSK, d); node.free(d)
368 }}
369
370 % jcharwidowpenalty = <count>
371 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
372   \ltj@@set@stack0,#1:{JWP}{-10000}{10000}}
373
374 % differentjfm = { large | small | average | pleft | pright | paverage | both}
375 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
376   {large,small,average,pleft,pright,paverage,both}{%
377   \ifcase\ltj@tempr
378     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
379     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
380     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
381     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
382     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
383     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
384     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
385   \fi
386 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
387   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
388   `pleft', `pright', 'paverage' or `both'. }}
389   % large, small, average, pleft, pright, paverage, both
390
391
392 % jacharrange = { +-<range_number> }
393 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
394 \def\ltj@@scrange#1,{%
395   \edef\ltj@temp{#1}%
396   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
397     \directlua{luatexja.charrange.toggle_char_range(%
398       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
399   \fi\next
400 }
401
402 \protected\def\ltj@setpar@global{%
403   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
404     \else\directlua{luatexja.isglobal=''}\fi
405 }
406 \protected\def\ltjsetparameter#1{%
407   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}\ignorespaces}
408 \protected\def\ltjglobalsetparameter#1{%
409   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
410     \else\directlua{luatexja.isglobal='global'}\fi%
411   \setkeys[ltj]{japaram}{#1}\ignorespaces}
412
413 %%%%%%%% \ltjgetparameter
414 \def\ltj@@decl@array@param#1{%
415   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
416 }
417 \ltj@@decl@array@param{prebreakpenalty}
418 \ltj@@decl@array@param{postbreakpenalty}
419 \ltj@@decl@array@param{jaxspmode}
420 \ltj@@decl@array@param{alxspmode}
421 \ltj@@decl@array@param{kcatcode}
422 \ltj@@decl@array@param{jacharrange}
423 \ltj@@decl@array@param{chartorange}
424 \def\ltjgetparameter#1{%
425   \ifcsname ltj@@array@param/#1\endcsname
426     \expandafter\ltx@firstoftwo
427   \else
428     \expandafter\ltx@secondoftwo
429   \fi
430   {\ltj@@getparam@two{#1}}%
431   {\ltj@@getparam@one{#1}}%
432 }
433 \def\ltj@@getparam@one#1{%
434   \directlua{luatexja.ext_get_parameter_unary('#1')}}%
435 \def\ltj@@getparam@two#1#2{%
436   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
437 }
438
439 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
440 \let\ltj@@origchar=\char
441 \protected\def\ltj@alljachar{\relax
442     \csname ltj@kcat0\endcsname=0
443     \csname ltj@kcat1\endcsname=0
444     \csname ltj@kcat2\endcsname=0
445     \csname ltj@kcat3\endcsname=0
446     \csname ltj@kcat4\endcsname=0
447     \csname ltj@kcat5\endcsname=0
448     \csname ltj@kcat6\endcsname=0 }
449 \protected\def\ltj@allalchar{\relax
450     \csname ltj@kcat0\endcsname="7FFFFFFF %"
451     \csname ltj@kcat1\endcsname="7FFFFFFF %"
452     \csname ltj@kcat2\endcsname="7FFFFFFF %"
453     \csname ltj@kcat3\endcsname="7FFFFFFF %"
454     \csname ltj@kcat4\endcsname="7FFFFFFF %"
455     \csname ltj@kcat5\endcsname="7FFFFFFF %"
456     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
457
458 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
459 \def\ltj@@jachar{{\directlua{tex.globaldefs = 0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
460 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
461 \def\ltj@@alchar{{\directlua{tex.globaldefs = 0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
462
463 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
464 \protected\def\ltjsetmathletter#1{%
465   \ltj@tempcnta=#1
466   \directlua{luatexja.math.is_math_letters[\the\ltj@tempcnta]=true}%
467 }
468 \protected\def\ltjunsetmathletter#1{%
469   \ltj@tempcnta=#1
470   \directlua{luatexja.math.is_math_letters[\the\ltj@tempcnta]=false}%
471 }
472
473 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
474 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
475 % いつも global
476 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc 
477   \ltj@reset@globaldefs
478   \begingroup\ltj@curjfnt=-1 \ltj@curtfnt=-1\relax
479   #1\directlua{luatexja.__temp = -\the\ltj@curjfnt*\the\ltj@curtfnt}\endgroup
480   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
481   \ifnum\ltj@tempcntc=-1
482     \@PackageError{luatexja-core}%
483     {\string#1 is not a control sequence that represents \MessageBreak
484      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
485     \ltj@tempcntc=\ltj@curjfnt
486   \fi\ltj@restore@globaldefs}
487   
488 \protected\def\ltjdeclarealtfont#1#2#3{%
489   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
490    \ltj@@getjfontnumber#2%
491    \expandafter\ltj@@altfont#3,,}\ignorespaces}
492 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
493   \ifx\ltj@temp\empty\let\@next=\relax\else
494   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
495 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
496 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
497   \ifx\ltj@temp\empty
498     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
499   \else
500     \def\ltj@temp{#1}%
501     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
502     \def\ltj@temp{#2}%
503     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
504   \fi
505   \directlua{luatexja.jfont.set_alt_font(
506     \the\ltj@tempcnta,\the\ltj@tempcntb,
507     \the\ltj@tempcntc, \the\@tempcnta)}%
508   }
509
510 %%%%%%%% \ltjclearaltfont<font_cs>
511 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
512 \protected\def\ltjclearaltfont#1{%
513   {\ltj@@getjfontnumber#1%
514    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
515
516
517 %%%%%%%% \yoko, \tate, \ifydir, \iftdir
518 \newif\ifydir
519 \newif\iftdir
520 \protected\def\tate{%
521   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
522   \ltj@dir=3 \tdirtrue\ydirfalse
523 }
524 \protected\def\yoko{%
525   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
526   \ltj@dir=4 \ydirtrue\tdirfalse
527 }
528 \yoko
529
530 %%------------------ Load module for the format
531
532 \ifltj@in@latex                 %<*LaTeX>
533   \RequirePackage{ltj-latex}[2013/05/14]
534 \else\ifltj@in@plain            %<*plain>
535   \input ltj-plain.sty %
536 \fi\fi                          %</LaTeX|plain>
537
538 \newluatexcatcodetable\ltj@temp@cctb
539 \def\ltj@overwrite@catcodetable#1{%
540   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
541   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode"FFFFF=14}%"
542 }
543 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
544 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
545 \ltj@overwrite@catcodetable\CatcodeTableExpl
546
547
548 %%------------------ all done
549 \ltj@core@AtEnd
550 \endinput
551 %% EOF