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[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}[2017/05/05 Core of LuaTeX-ja]
69 \fi                             %</LaTeX>
70
71 %% Load prerequisite packages.
72 \endlinechar=13 %
73 \newif\ifltj@everyhook@avail\ltj@everyhook@availfalse
74 %! 外部パッケージは普通の \endlinechar で読まないと危険.
75 \ifltj@in@latex                 %<*LaTeX>
76   \RequirePackage{luatexbase}
77   \RequirePackage{luaotfload}
78   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
79   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
80   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
81   \RequirePackage{atbegshi}
82   \AtBeginShipoutInit
83   \IfFileExists{everyhook.sty}{\RequirePackage{everyhook}\ltj@everyhook@availtrue}{}
84 \else                           %<*!LaTeX>
85   \input luatexbase.sty
86   \input luaotfload.sty
87   \input ltxcmds.sty
88   \input pdftexcmds.sty
89   \input xkeyval
90   \input atbegshi.sty
91   \AtBeginShipoutInit
92 \fi                             %</LaTeX>
93 \endlinechar=-1 %
94
95 %% Check if LuaTeX is used
96 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
97   % Loading is silently aborted, since the notice of the wrong
98   % engine is already shown in luaotfload.
99   \ltj@core@AtEnd
100 \expandafter\endinput\fi\relax
101
102 %% Check LuaTeX version.
103 \ifnum\luatexversion<85
104   \@PackageError{luatexja-core}
105     {This LuaTeX engine is too old for this package;\MessageBreak
106      at least beta-0.85.0 is needed}
107     {Package loading is aborted now.\MessageBreak}
108 \expandafter\endinput\fi\relax
109
110 %% \LuaTeXjaAvailable
111 %! 環境検査にパスした時に定義される.
112 \let\LuaTeXjaAvailable=t %
113
114 %%------------------
115 \endlinechar=13
116
117 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
118 % LuaTeX-ja core TeX source
119
120 \newcount\ltjlineendcomment
121 \ltjlineendcomment="FFFFF
122 \catcode\ltjlineendcomment=14 %"
123
124 \def\ltj@loaded{hoge}
125
126 \newdimen\ltj@zw
127 \newdimen\ltj@zh
128 \newdimen\jQ \jQ=0.25mm
129 \let\jH=\jQ
130
131 %%%%%%%% error message
132 \def\ltj@defnum{0}
133 \def\ltj@defdimen{0}
134
135 %%%%%%%% Attributes for Japanese typesetting.
136 \newattribute\ltj@icflag    % attribute for italic correction
137 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
138 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
139 \newattribute\ltj@origchar  %
140 \newattribute\ltj@charclass %
141 \newattribute\ltj@charcode %
142 \newattribute\ltj@autospc   % attribute for autospacing
143 \newattribute\ltj@autoxspc  % attribute for autoxspacing
144 \newattribute\ltj@yablshift % attribute for yalbaselineshift
145 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
146 \newattribute\ltj@tablshift % attribute for talbaselineshift
147 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
148 \newattribute\jfam          % index for current jfam
149
150 \newattribute\ltj@dir
151 \newlanguage\ltj@@japanese
152 \ltj@dir\z@
153 \ltj@icflag\z@
154 \ltj@origchar\z@
155 \ltj@charclass\z@
156 \ltj@curjfnt\m@ne
157 \ltj@curtfnt\m@ne
158
159 %%%%%%%% Attributes for character ranges
160 \newcount\ltj@tempcnta
161 \ltj@tempcnta\z@
162 \loop\ifnum\ltj@tempcnta<7
163   \expandafter\newattribute%
164     \csname ltj@kcat\the\ltj@tempcnta\endcsname
165   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
166   \advance\ltj@tempcnta\@ne
167 \repeat
168
169
170 %%%%%%%% Loading luatexja.lua
171 %% Quark tokens needed in ltj-base
172 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
173 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
174
175 \directlua{%
176   luatexja = {};
177   luatexja.lang_ja = \the\ltj@@japanese;
178   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
179       "File `luatexja.lua' not found"))
180 }
181
182 %% \RequireLuaTeXjaSubmodule{name}[date]
183 % A TeX version of luatexja.load_module(name)
184 % The second optional argument [date] is simply ignored.
185 \def\RequireLuaTeXjaSubmodule#1{%
186   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
187 \def\ltj@requirelua@submod#1[#2]{%
188   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
189
190
191 %%%%%%%% Load all sub-packages.
192 \ifltj@in@latex                 %<*LaTeX>
193   \RequirePackage{ltj-base}
194 \else                           %<*!LaTeX>
195   \input ltj-base.sty %
196 \fi                             %</LaTeX>
197
198 %%%%%%%% \asluastring
199 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
200
201 %%%%%%%% Redefine \/
202 \newluafunction\ltj@@italic@inner
203 \directlua{
204   local t = lua.get_functions_table()
205   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
206 }
207 \protected\def\/{\relax\luafunction\ltj@@italic@inner}
208
209 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
210 \protected\def\jfont#1{%
211   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
212 \protected\def\globaljfont#1{%
213   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
214 \newluafunction\ltj@@jfont@inner
215 \directlua{
216   local t = lua.get_functions_table()
217   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
218 }
219 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
220
221 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
222 \protected\def\tfont#1{%
223   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
224 \protected\def\globaltfont#1{%
225   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
226
227 %%%%%%%% \zw, \zh
228 \newluafunction\ltj@zw@inner
229 \newluafunction\ltj@zh@inner
230 \directlua{
231   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
232   t[\the\ltj@zw@inner] = function() setdimen('ltj@zw', ltjf.get_zw()) end
233   t[\the\ltj@zh@inner] = function() setdimen('ltj@zh', ltjf.get_zh()) end
234 }
235 \protected\def\zw{\luafunction\ltj@zw@inner\ltj@zw}
236 \protected\def\zh{\luafunction\ltj@zh@inner\ltj@zh}
237
238 %%%%%%%% \inhibitglue
239 \newluafunction\ltj@reset@globaldefs@inner
240 \newluafunction\ltj@restore@globaldefs@inner
241 \newluafunction\ltj@@ihb@inner
242 \newluafunction\ltj@@fakeparbegin@inner
243 \newluafunction\ltj@@fakeboxbdd@inner
244 \directlua{
245   local t = lua.get_functions_table()
246   t[\the\ltj@reset@globaldefs@inner] 
247      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
248   t[\the\ltj@restore@globaldefs@inner] 
249      = function() tex.globaldefs = luatexja.global_temp end
250   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
251   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
252   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
253 }
254 \protected\def\ltj@reset@globaldefs{\luafunction\ltj@reset@globaldefs@inner}
255 \protected\def\ltj@restore@globaldefs{\luafunction\ltj@restore@globaldefs@inner}
256 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
257 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
258 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
259
260
261 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
262 \protected\def\ltjdefcharrange#1#2{%
263   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
264 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
265   \ifx\ltj@temp\empty\let\@next=\relax\else
266   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
267 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
268 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
269   \ifx\ltj@temp\empty
270     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
271   \else
272     \def\ltj@temp{#1}%
273     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
274     \def\ltj@temp{#2}%
275     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
276   \fi
277   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
278     \the\ltj@tempcntc)}%
279   }
280
281 %%%%%%%% \ltjsetparameter
282 \newcount\ltj@@stack \newcount\ltj@@group@level
283 \ltj@@group@level\z@\ltj@@stack\z@
284
285 \setbox\z@\hbox{%
286   \directlua{% This value depends on the version of LuaTeX.
287     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
288   }%
289 }
290 \setbox\z@\vbox{%
291   \directlua{% This value depends on the version of LuaTeX.
292     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
293   }%
294 }
295 \setbox\z@\box\voidb@x
296
297 % prebreakpenalty = {<char_code>, <penalty>}
298 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
299 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
300 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
301 \def\ltj@@set@stack#1#2#3{%
302   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
303 %\def\ltj@@set@stack#1,#2:#3#4#5{%
304 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
305 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
306
307 % jatextfont = {<char_code>, <font_cs>}
308 % only horizontal font is supported
309 \define@key[ltj]{japaram}{jatextfont}{%
310   \expandafter\ltj@@set@stackfont#1:{MJT}}
311 \define@key[ltj]{japaram}{jascriptfont}{%
312   \expandafter\ltj@@set@stackfont#1:{MJS}}
313 \define@key[ltj]{japaram}{jascriptscriptfont}{%
314   \expandafter\ltj@@set@stackfont#1:{MJSS}}
315 \protected\def\ltj@@set@stackfont#1,#2:#3{%
316   \ltj@reset@globaldefs
317   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
318   \ifnum\ltj@curjfnt=\m@ne
319     \@PackageError{luatexja-core}%
320     {\string#2 is not a control sequence that represents \MessageBreak
321      a Japanese font}{}%
322   \else
323     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
324     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
325   \fi
326   \ltj@curjfnt=\ltj@tempcnta
327   \ltj@restore@globaldefs
328   }
329
330 % {y,t}{ja,al}baselineshift = <dimen>
331 % yjabaselineshift = <dimen>
332 \define@key[ltj]{japaram}{yalbaselineshift}{%
333   \directlua{tex.setattribute(luatexja.isglobal,
334     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
335 \define@key[ltj]{japaram}{yjabaselineshift}{%
336   \directlua{tex.setattribute(luatexja.isglobal,
337     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
338 \define@key[ltj]{japaram}{talbaselineshift}{%
339   \directlua{tex.setattribute(luatexja.isglobal,
340     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
341 \define@key[ltj]{japaram}{tjabaselineshift}{%
342   \directlua{tex.setattribute(luatexja.isglobal,
343     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
344
345 % jaxspmode = {<char_code>, <mode>}
346 % mode: inhibit, preonly, postonly, allow
347 %    or       0        1         2      3
348 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
349   \expandafter\ltj@set@jaxspmode#1:\relax}
350 \def\ltj@set@jaxspmode#1,#2:{%
351   \lowercase{\edef\ltj@temp{#2}}%
352   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
353   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
354   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
355   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
356   \ltj@@set@stack{XSP}03#1 \ltj@temp}
357
358 % alxspmode = {<char_code>, <mode>}
359 % mode: inhibit, preonly, postonly, allow
360 %    or       0        1         2      3
361 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
362   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
363
364 % autospacing = <bool> (default: true)
365 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
366   \ifltj@japaram@autospacing
367     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
368   \else
369     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
370   \fi}
371
372 % autoxspacing = <bool> (default: true)
373 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
374   \ifltj@japaram@autoxspacing
375     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
376   \else
377     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
378   \fi}
379
380 % [x]]kanjiskip = <skip>
381 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
382 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
383 \newluafunction\ltjsetkanjiskip@inner
384 \newluafunction\ltjsetxkanjiskip@inner
385 \directlua{
386   local t, scan_glue = lua.get_functions_table(), token.scan_glue
387   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
388   t[\the\ltjsetkanjiskip@inner] = function()
389     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
390   end
391   t[\the\ltjsetxkanjiskip@inner] = function()
392     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
393   end
394 }
395 \protected\def\ltjsetkanjiskip{\luafunction\ltjsetkanjiskip@inner}
396 \protected\def\ltjsetxkanjiskip{\luafunction\ltjsetxkanjiskip@inner}
397
398 % jcharwidowpenalty = <count>
399 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
400   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
401
402 % differentjfm = { large | small | average | pleft | pright | paverage | both}
403 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
404   {large,small,average,pleft,pright,paverage,both}{%
405   \ifcase\ltj@tempr
406     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
407     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
408     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
409     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
410     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
411     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
412     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
413   \fi
414 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
415   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
416   `pleft', `pright', 'paverage' or `both'. }}
417   % large, small, average, pleft, pright, paverage, both
418
419
420 % jacharrange = { +-<range_number> }
421 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
422 \def\ltj@@scrange#1,{%
423   \edef\ltj@temp{#1}%
424   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
425     \directlua{luatexja.charrange.toggle_char_range(%
426       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
427   \fi\next
428 }
429
430 \protected\def\ltj@setpar@global{%
431   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
432     \else\directlua{luatexja.isglobal=''}\fi
433 }
434 \protected\def\ltjsetparameter#1{%
435   \directlua{luatexja.base.start_time_measure('set_par')}%
436   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
437   \directlua{luatexja.base.stop_time_measure('set_par')}%
438   \ignorespaces}
439 \protected\def\ltjglobalsetparameter#1{%
440   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
441     \else\directlua{luatexja.isglobal='global'}\fi%
442   \directlua{luatexja.base.start_time_measure('set_par')}%
443   \setkeys[ltj]{japaram}{#1}%
444   \directlua{luatexja.base.stop_time_measure('set_par')}%
445   \ignorespaces}
446
447 %%%%%%%% \ltjgetparameter
448 \def\ltj@@decl@array@param#1{%
449   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
450 }
451 \ltj@@decl@array@param{prebreakpenalty}
452 \ltj@@decl@array@param{postbreakpenalty}
453 \ltj@@decl@array@param{jaxspmode}
454 \ltj@@decl@array@param{alxspmode}
455 \ltj@@decl@array@param{kcatcode}
456 \ltj@@decl@array@param{jacharrange}
457 \ltj@@decl@array@param{chartorange}
458 \ltj@@decl@array@param{boxdir}
459 \def\ltjgetparameter#1{%
460   \directlua{luatexja.base.start_time_measure('get_par')}%
461   % stop call is moved in luatexja.lua
462   \ifcsname ltj@@array@param/#1\endcsname
463     \expandafter\ltx@firstoftwo
464   \else
465     \expandafter\ltx@secondoftwo
466   \fi
467   {\ltj@@getparam@two{#1}}%
468   {\ltj@@getparam@one{#1}}%
469 }
470 \def\ltj@@getparam@one#1{%
471   \directlua{luatexja.ext_get_parameter_unary('#1')}%
472 }%
473 \def\ltj@@getparam@two#1#2{%
474   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
475 }
476
477 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
478 \let\ltj@@origchar=\char
479 \protected\def\ltj@alljachar{\relax
480     \csname ltj@kcat0\endcsname\z@
481     \csname ltj@kcat1\endcsname\z@
482     \csname ltj@kcat2\endcsname\z@
483     \csname ltj@kcat3\endcsname\z@
484     \csname ltj@kcat4\endcsname\z@
485     \csname ltj@kcat5\endcsname\z@
486     \csname ltj@kcat6\endcsname\z@}
487 \protected\def\ltj@allalchar{\relax
488     \csname ltj@kcat0\endcsname="7FFFFFFF %"
489     \csname ltj@kcat1\endcsname="7FFFFFFF %"
490     \csname ltj@kcat2\endcsname="7FFFFFFF %"
491     \csname ltj@kcat3\endcsname="7FFFFFFF %"
492     \csname ltj@kcat4\endcsname="7FFFFFFF %"
493     \csname ltj@kcat5\endcsname="7FFFFFFF %"
494     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
495
496 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
497 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
498 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
499 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
500
501 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
502 \protected\def\ltjsetmathletter#1{%
503   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
504 }
505 \protected\def\ltjunsetmathletter#1{%
506   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
507 }
508
509 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
510 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
511 % いつも global
512 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
513   \ltj@reset@globaldefs
514   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
515   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
516   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
517   \ifnum\ltj@tempcntc=\m@ne
518     \@PackageError{luatexja-core}%
519     {\string#1 is not a control sequence that represents \MessageBreak
520      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
521     \ltj@tempcntc=\ltj@curjfnt
522   \fi\ltj@restore@globaldefs}
523
524 \protected\def\ltjdeclarealtfont#1#2#3{%
525   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
526    \ltj@@getjfontnumber#2%
527    \expandafter\ltj@@altfont#3,,}\ignorespaces}
528 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
529   \ifx\ltj@temp\empty\let\@next=\relax\else
530   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
531 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
532 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
533   \ifx\ltj@temp\empty
534     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
535   \else
536     \def\ltj@temp{#1}%
537     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
538     \def\ltj@temp{#2}%
539     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
540   \fi
541   \directlua{luatexja.jfont.set_alt_font(
542     \the\ltj@tempcnta,\the\ltj@tempcntb,
543     \the\ltj@tempcntc, \the\@tempcnta)}%
544   }
545
546 %%%%%%%% \ltjclearaltfont<font_cs>
547 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
548 \protected\def\ltjclearaltfont#1{%
549   {\ltj@@getjfontnumber#1%
550    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
551
552
553 %%%%%%%% \yoko, \tate,\dtou
554 \protected\def\tate{%
555   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
556 }
557 \protected\def\yoko{%
558   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
559 }
560 \protected\def\dtou{%
561   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
562 }
563 \protected\def\utod{% 「縦数式ディレクション」
564   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
565 }
566 \define@key[ltj]{japaram}{direction}{%% always local
567   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
568 }
569
570 \yoko
571
572 %%%% insert
573 \let\orig@insert=\insert
574 \protected\def\insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
575 \protected\def\ltj@@insert@A{\orig@insert\ltj@tempcnta\bgroup
576   \aftergroup\ltj@@insert@B\let\next}
577 \protected\def\ltj@@insert@B{\directlua{luatexja.direction.populate_insertion_dir_whatsit()}\endgroup}
578
579 %%%% vadjust
580 \let\ltj@@orig@vadjust=\vadjust
581 \protected\def\vadjust{%
582   \ltj@@orig@vadjust\bgroup
583   \directlua{luatexja.direction.set_list_direction_hook('adj')}%
584   \aftergroup\ltj@@vadjust@check@dir\let\next}
585 \protected\def\ltj@@vadjust@check@dir{%
586   \directlua{luatexja.direction.check_adjust_direction()}%
587 }
588
589 %%%% \hbox, \vbox, \vtop
590 \setbox\z@\hbox{%
591   \primitive\everymath{}
592   $\directlua{% This value depends on the version of LuaTeX.
593      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
594   }$%
595 }
596 \setbox\z@\box\voidb@x
597 \ifltj@everyhook@avail% using everyhook package
598   \newluafunction\ltj@@box@dirhook
599   \directlua{
600     local t, ltjd = lua.get_functions_table(), luatexja.direction
601     t[\the\ltj@@box@dirhook] 
602       = function() ltjd.set_list_direction_hook() end
603   }
604   \PushPreHook{hbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
605   \PushPreHook{vbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
606 \else
607   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
608   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
609   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
610   \newluafunction\ltj@@box@dirhook
611   \directlua{
612     local t, ltjd = lua.get_functions_table(), luatexja.direction
613     t[\the\ltj@@box@dirhook] 
614       = function() ltjd.set_list_direction_hook() end
615   }
616   \ltj@@everyhbox{\luafunction\ltj@@box@dirhook
617     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
618   \ltj@@everyvbox{\luafunction\ltj@@box@dirhook
619     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
620 \fi
621
622 \newluafunction\ltj@@reset@badness@inner
623 \directlua{
624   local t = lua.get_functions_table()
625   t[\the\ltj@@reset@badness@inner] = function() 
626     if luatexja.global_temp then
627       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
628       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
629       tex.globaldefs= luatexja.global_temp or tex.globaldefs
630     end
631   end}
632 \protected\def\ltj@@reset@badness{\luafunction\ltj@@reset@badness@inner}
633
634 \AtBeginShipout{\directlua{luatexja.direction.finalize()}}
635
636 %%%% \raise, \lower, \moveleft, \moveright
637 \let\ltj@@orig@raise=\raise
638 \let\ltj@@orig@lower=\lower
639 \protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
640 \protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
641 \protected\def\ltj@@raise{%
642   \ltj@restore@globaldefs
643   \edef\ltj@@raise@a{%
644     \noexpand\directlua{luatexja.direction.raise_box()}%
645     \ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
646   }\ltj@afterbox\ltj@@raise@a}
647 \let\ltj@@orig@moveleft=\moveleft
648 \let\ltj@@orig@moveright=\moveright
649 \protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
650 \protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
651 \protected\def\ltj@@moveleft{%
652   \ltj@restore@globaldefs
653   \edef\ltj@@moveleft@a{%
654     \noexpand\directlua{luatexja.direction.raise_box()}%
655     \ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
656   }\ltj@afterbox\ltj@@moveleft@a}
657
658 %%%%\vsplit
659 \let\ltj@@orig@vsplit=\vsplit
660 \protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
661 %%%% \vcenter
662 \let\ltj@@orig@vcenter=\vcenter
663 \protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
664 \protected\def\ltj@@vcenter{%
665   \directlua{luatexja.direction.raise_box()}%
666   \ltj@@orig@vcenter{\box\ltj@afbox}%
667 }
668
669 %%%% \unhbox and \unvbox
670 \long\def \@gobbletwo #1#2{}
671 \let\ltj@@orig@unhbox=\unhbox
672 \let\ltj@@orig@unvbox=\unvbox
673 \protected\def\unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox\ltj@tempcnta}
674 \protected\def\unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox\ltj@tempcnta}
675 \protected\def\ltj@@unhbox{%
676   \directlua{luatexja.direction.unbox_check_dir()}%
677   \ltj@@orig@unhbox\ltj@tempcnta}
678 \protected\def\ltj@@unvbox{%
679   \directlua{luatexja.direction.unbox_check_dir()}%
680   \ltj@@orig@unvbox\ltj@tempcnta}
681 \let\ltj@@orig@unhcopy=\unhcopy
682 \let\ltj@@orig@unvcopy=\unvcopy
683 \protected\def\unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy\ltj@tempcnta}
684 \protected\def\unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy\ltj@tempcnta}
685 \protected\def\ltj@@unhcopy{%
686   \directlua{luatexja.direction.unbox_check_dir(true)}%
687   \ltj@@orig@unhcopy\ltj@tempcnta
688   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
689 \protected\def\ltj@@unvcopy{%
690   \directlua{luatexja.direction.unbox_check_dir(true)}%
691   \ltj@@orig@unvcopy\ltj@tempcnta
692   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
693
694 %%%% lastbox
695 \let\ltj@@orig@lastbox=\lastbox
696 \protected\def\lastbox{%
697   \directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox
698 }
699
700 %%%%%%%% \ltjgetwd<box_num> etc.
701 \def\ltj@@getwd{%
702   \directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
703 \def\ltj@@getht{%
704   \directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
705 \def\ltj@@getdp{%
706   \directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
707 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
708
709 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
710 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
711 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
712 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
713
714
715 %%------------------ Load module for the format
716
717 \ifltj@in@latex                 %<*LaTeX>
718   \RequirePackage{ltj-latex}
719 \else\ifltj@in@plain            %<*plain>
720   \input ltj-plain.sty %
721 \fi\fi                          %</LaTeX|plain>
722
723 \newcatcodetable\ltj@temp@cctb
724 \def\ltj@overwrite@catcodetable#1{%
725   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
726   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
727 }
728 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
729 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
730 \ltj@overwrite@catcodetable\CatcodeTableExpl
731
732
733 %%------------------ all done
734 \ltj@core@AtEnd
735 \endinput
736 %% EOF