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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}[2017/11/12 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   \RequirePackage{etoolbox}
83   \AtBeginShipoutInit
84   \IfFileExists{everyhook.sty}{\RequirePackage{everyhook}\ltj@everyhook@availtrue}{}
85 \else                           %<*!LaTeX>
86   \input luatexbase.sty
87   \input luaotfload.sty
88   \input ltxcmds.sty
89   \input pdftexcmds.sty
90   \input xkeyval
91   \input atbegshi.sty
92   \AtBeginShipoutInit
93 \fi                             %</LaTeX>
94 \endlinechar=-1 %
95
96 %% Check if LuaTeX is used
97 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
98   % Loading is silently aborted, since the notice of the wrong
99   % engine is already shown in luaotfload.
100   \ltj@core@AtEnd
101 \expandafter\endinput\fi\relax
102
103 %% Check LuaTeX version.
104 \ifnum\luatexversion<100
105   \@PackageError{luatexja-core}
106     {This LuaTeX engine is too old for this package;\MessageBreak
107      at least 1.0.0 is needed}
108     {Package loading is aborted now.\MessageBreak}
109 \expandafter\endinput\fi\relax
110
111 %% \LuaTeXjaAvailable
112 %! 環境検査にパスした時に定義される.
113 \let\LuaTeXjaAvailable=t %
114
115 %%------------------
116 \endlinechar=13
117
118 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
119 % LuaTeX-ja core TeX source
120
121 \newcount\ltjlineendcomment
122 \ltjlineendcomment="FFFFF
123 \catcode\ltjlineendcomment=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 \newattribute\ltj@icflag    % attribute for italic correction
138 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
139 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
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 \newattribute\ltj@vert@ori  % <=0: UAX#50, >0: always upright
150
151 \newattribute\ltj@dir
152 \newlanguage\ltj@@japanese
153 \ltj@dir\z@
154 \ltj@icflag\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\ltj@zw{\luafunction\ltj@zw@inner\ltj@zw}
236 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@zh}
237 \let\zw=\ltj@zw
238 \let\zh=\ltj@zh
239
240 %%%%%%%% \inhibitglue
241 \newluafunction\ltj@reset@globaldefs@inner
242 \newluafunction\ltj@restore@globaldefs@inner
243 \newluafunction\ltj@@ihb@inner
244 \newluafunction\ltj@@fakeparbegin@inner
245 \newluafunction\ltj@@fakeboxbdd@inner
246 \directlua{
247   local t = lua.get_functions_table()
248   t[\the\ltj@reset@globaldefs@inner] 
249      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
250   t[\the\ltj@restore@globaldefs@inner] 
251      = function() tex.globaldefs = luatexja.global_temp end
252   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
253   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
254   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
255 }
256 \protected\def\ltj@reset@globaldefs{\luafunction\ltj@reset@globaldefs@inner}
257 \protected\def\ltj@restore@globaldefs{\luafunction\ltj@restore@globaldefs@inner}
258 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
259 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
260 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
261
262
263 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
264 \protected\def\ltjdefcharrange#1#2{%
265   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
266 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
267   \ifx\ltj@temp\empty\let\@next=\relax\else
268   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
269 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
270 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
271   \ifx\ltj@temp\empty
272     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
273   \else
274     \def\ltj@temp{#1}%
275     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
276     \def\ltj@temp{#2}%
277     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
278   \fi
279   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
280     \the\ltj@tempcntc)}%
281   }
282
283 %%%%%%%% \ltjsetparameter
284 \newcount\ltj@@stack \newcount\ltj@@group@level
285 \ltj@@group@level\z@\ltj@@stack\z@
286
287 \setbox\z@\hbox{%
288   \directlua{% This value depends on the version of LuaTeX.
289     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
290   }%
291 }
292 \setbox\z@\vbox{%
293   \directlua{% This value depends on the version of LuaTeX.
294     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
295   }%
296 }
297 \setbox\z@\box\voidb@x
298
299 % prebreakpenalty = {<char_code>, <penalty>}
300 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
301 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
302 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
303 \def\ltj@@set@stack#1#2#3{%
304   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
305 %\def\ltj@@set@stack#1,#2:#3#4#5{%
306 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
307 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
308
309 % jatextfont = {<char_code>, <font_cs>}
310 % only horizontal font is supported
311 \define@key[ltj]{japaram}{jatextfont}{%
312   \expandafter\ltj@@set@stackfont#1:{MJT}}
313 \define@key[ltj]{japaram}{jascriptfont}{%
314   \expandafter\ltj@@set@stackfont#1:{MJS}}
315 \define@key[ltj]{japaram}{jascriptscriptfont}{%
316   \expandafter\ltj@@set@stackfont#1:{MJSS}}
317 \protected\def\ltj@@set@stackfont#1,#2:#3{%
318   \ltj@reset@globaldefs
319   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
320   \ifnum\ltj@curjfnt=\m@ne
321     \@PackageError{luatexja-core}%
322     {\string#2 is not a control sequence that represents \MessageBreak
323      a Japanese font}{}%
324   \else
325     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
326     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
327   \fi
328   \ltj@curjfnt=\ltj@tempcnta
329   \ltj@restore@globaldefs
330   }
331
332 % {y,t}{ja,al}baselineshift = <dimen>
333 % yjabaselineshift = <dimen>
334 \define@key[ltj]{japaram}{yalbaselineshift}{%
335   \directlua{tex.setattribute(luatexja.isglobal,
336     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
337 \define@key[ltj]{japaram}{yjabaselineshift}{%
338   \directlua{tex.setattribute(luatexja.isglobal,
339     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
340 \define@key[ltj]{japaram}{talbaselineshift}{%
341   \directlua{tex.setattribute(luatexja.isglobal,
342     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
343 \define@key[ltj]{japaram}{tjabaselineshift}{%
344   \directlua{tex.setattribute(luatexja.isglobal,
345     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
346
347 % jaxspmode = {<char_code>, <mode>}
348 % mode: inhibit, preonly, postonly, allow
349 %    or       0        1         2      3
350 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
351   \expandafter\ltj@set@jaxspmode#1:\relax}
352 \def\ltj@set@jaxspmode#1,#2:{%
353   \lowercase{\edef\ltj@temp{#2}}%
354   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
355   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
356   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
357   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
358   \ltj@@set@stack{XSP}03#1 \ltj@temp}
359
360 % alxspmode = {<char_code>, <mode>}
361 % mode: inhibit, preonly, postonly, allow
362 %    or       0        1         2      3
363 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
364   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
365
366 % autospacing = <bool> (default: true)
367 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
368   \ifltj@japaram@autospacing
369     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
370   \else
371     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
372   \fi}
373
374 % autoxspacing = <bool> (default: true)
375 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
376   \ifltj@japaram@autoxspacing
377     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
378   \else
379     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
380   \fi}
381
382 % [x]]kanjiskip = <skip>
383 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
384 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
385 \newluafunction\ltjsetkanjiskip@inner
386 \newluafunction\ltjsetxkanjiskip@inner
387 \directlua{
388   local t, scan_glue = lua.get_functions_table(), token.scan_glue
389   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
390   t[\the\ltjsetkanjiskip@inner] = function()
391     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
392   end
393   t[\the\ltjsetxkanjiskip@inner] = function()
394     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
395   end
396 }
397 \protected\def\ltjsetkanjiskip{\luafunction\ltjsetkanjiskip@inner}
398 \protected\def\ltjsetxkanjiskip{\luafunction\ltjsetxkanjiskip@inner}
399
400 % jcharwidowpenalty = <count>
401 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
402   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
403
404 % differentjfm = { large | small | average | pleft | pright | paverage | both}
405 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
406   {large,small,average,pleft,pright,paverage,both}{%
407   \ifcase\ltj@tempr
408     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
409     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
410     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
411     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
412     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
413     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
414     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
415   \fi
416 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
417   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
418   `pleft', `pright', 'paverage' or `both'. }}
419   % large, small, average, pleft, pright, paverage, both
420
421
422 % jacharrange = { +-<range_number> }
423 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
424 \def\ltj@@scrange#1,{%
425   \edef\ltj@temp{#1}%
426   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
427     \directlua{luatexja.charrange.toggle_char_range(%
428       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
429   \fi\ltj@@next
430 }
431
432 \protected\def\ltj@setpar@global{%
433   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
434     \else\directlua{luatexja.isglobal=''}\fi
435 }
436 \protected\def\ltjsetparameter#1{%
437   \directlua{luatexja.base.start_time_measure('set_par')}%
438   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
439   \directlua{luatexja.base.stop_time_measure('set_par')}%
440   \ignorespaces}
441 \protected\def\ltjglobalsetparameter#1{%
442   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
443     \else\directlua{luatexja.isglobal='global'}\fi%
444   \directlua{luatexja.base.start_time_measure('set_par')}%
445   \setkeys[ltj]{japaram}{#1}%
446   \directlua{luatexja.base.stop_time_measure('set_par')}%
447   \ignorespaces}
448
449 %%%%%%%% \ltjgetparameter
450 \def\ltj@@decl@array@param#1{%
451   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
452 }
453 \ltj@@decl@array@param{prebreakpenalty}
454 \ltj@@decl@array@param{postbreakpenalty}
455 \ltj@@decl@array@param{jaxspmode}
456 \ltj@@decl@array@param{alxspmode}
457 \ltj@@decl@array@param{kcatcode}
458 \ltj@@decl@array@param{jacharrange}
459 \ltj@@decl@array@param{chartorange}
460 \ltj@@decl@array@param{boxdir}
461 \def\ltjgetparameter#1{%
462   \directlua{luatexja.base.start_time_measure('get_par')}%
463   % stop call is moved in luatexja.lua
464   \ifcsname ltj@@array@param/#1\endcsname
465     \expandafter\ltx@firstoftwo
466   \else
467     \expandafter\ltx@secondoftwo
468   \fi
469   {\ltj@@getparam@two{#1}}%
470   {\ltj@@getparam@one{#1}}%
471 }
472 \def\ltj@@getparam@one#1{%
473   \directlua{luatexja.ext_get_parameter_unary('#1')}%
474 }%
475 \def\ltj@@getparam@two#1#2{%
476   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
477 }
478
479 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
480 \let\ltj@@origchar=\char
481 \newluafunction\ltj@alljachar@inner
482 \directlua{
483   local t, set_attr = lua.get_functions_table(), tex.setattribute
484   local get_attr, floor = tex.getattribute, math.floor
485   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
486   local lang_ja = luatexja.lang_ja
487   t[\the\ltj@alljachar@inner] = function()
488     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
489     for i=0,6 do
490       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)],0)
491     end
492   end
493 }
494 \protected\def\ltj@alljachar{\luafunction\ltj@alljachar@inner}
495 \protected\def\ltj@allalchar{\relax
496     \csname ltj@kcat0\endcsname="7FFFFFFF %"
497     \csname ltj@kcat1\endcsname="7FFFFFFF %"
498     \csname ltj@kcat2\endcsname="7FFFFFFF %"
499     \csname ltj@kcat3\endcsname="7FFFFFFF %"
500     \csname ltj@kcat4\endcsname="7FFFFFFF %"
501     \csname ltj@kcat5\endcsname="7FFFFFFF %"
502     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
503
504 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
505 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
506 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
507 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
508
509 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
510 \protected\def\ltjsetmathletter#1{%
511   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
512 }
513 \protected\def\ltjunsetmathletter#1{%
514   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
515 }
516
517 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
518 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
519 % いつも global
520 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
521   \ltj@reset@globaldefs
522   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
523   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
524   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
525   \ifnum\ltj@tempcntc=\m@ne
526     \@PackageError{luatexja-core}%
527     {\string#1 is not a control sequence that represents \MessageBreak
528      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
529     \ltj@tempcntc=\ltj@curjfnt
530   \fi\ltj@restore@globaldefs}
531
532 \protected\def\ltjdeclarealtfont#1#2#3{%
533   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
534    \ltj@@getjfontnumber#2%
535    \expandafter\ltj@@altfont#3,,}\ignorespaces}
536 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
537   \ifx\ltj@temp\empty\let\@next=\relax\else
538   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
539 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
540 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
541   \ifx\ltj@temp\empty
542     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
543   \else
544     \def\ltj@temp{#1}%
545     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
546     \def\ltj@temp{#2}%
547     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
548   \fi
549   \directlua{luatexja.jfont.set_alt_font(
550     \the\ltj@tempcnta,\the\ltj@tempcntb,
551     \the\ltj@tempcntc, \the\@tempcnta)}%
552   }
553
554 %%%%%%%% \ltjclearaltfont<font_cs>
555 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
556 \protected\def\ltjclearaltfont#1{%
557   {\ltj@@getjfontnumber#1%
558    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
559
560
561 %%%%%%%% \yoko, \tate,\dtou
562 \protected\def\tate{%
563   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
564 }
565 \protected\def\yoko{%
566   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
567 }
568 \protected\def\dtou{%
569   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
570 }
571 \protected\def\utod{% 「縦数式ディレクション」
572   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
573 }
574 \define@key[ltj]{japaram}{direction}{%% always local
575   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
576 }
577
578 \yoko
579
580 %%%% insert
581 \let\orig@insert=\insert
582 \protected\def\insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
583 \protected\def\ltj@@insert@A{\orig@insert\ltj@tempcnta\bgroup
584   \aftergroup\ltj@@insert@B\let\ltj@@next}
585 \protected\def\ltj@@insert@B{\directlua{luatexja.direction.populate_insertion_dir_whatsit()}\endgroup}
586
587 %%%% vadjust
588 \let\ltj@@orig@vadjust=\vadjust
589 \protected\def\vadjust{%
590   \ltj@@orig@vadjust\bgroup
591   \directlua{luatexja.direction.set_list_direction_hook('adj')}%
592   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
593 \protected\def\ltj@@vadjust@check@dir{%
594   \directlua{luatexja.direction.check_adjust_direction()}%
595 }
596
597 %%%% \hbox, \vbox, \vtop
598 \setbox\z@\hbox{%
599   \primitive\everymath{}
600   $\directlua{% This value depends on the version of LuaTeX.
601      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
602   }$%
603 }
604 \setbox\z@\box\voidb@x
605 \ifltj@everyhook@avail% using everyhook package
606   \newluafunction\ltj@@box@dirhook
607   \directlua{
608     local t, ltjd = lua.get_functions_table(), luatexja.direction
609     t[\the\ltj@@box@dirhook] 
610       = function() ltjd.set_list_direction_hook() end
611   }
612   \PushPreHook{hbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
613   \PushPreHook{vbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
614 \else
615   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
616   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
617   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
618   \newluafunction\ltj@@box@dirhook
619   \directlua{
620     local t, ltjd = lua.get_functions_table(), luatexja.direction
621     t[\the\ltj@@box@dirhook] 
622       = function() ltjd.set_list_direction_hook() end
623   }
624   \ltj@@everyhbox{\luafunction\ltj@@box@dirhook
625     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
626   \ltj@@everyvbox{\luafunction\ltj@@box@dirhook
627     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
628 \fi
629
630 \newluafunction\ltj@@reset@badness@inner
631 \directlua{
632   local t = lua.get_functions_table()
633   t[\the\ltj@@reset@badness@inner] = function() 
634     if luatexja.global_temp then
635       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
636       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
637       tex.globaldefs= luatexja.global_temp or tex.globaldefs
638     end
639   end}
640 \protected\def\ltj@@reset@badness{\luafunction\ltj@@reset@badness@inner}
641
642 \AtBeginShipout{\directlua{luatexja.direction.finalize()}}
643
644 %%%% \raise, \lower, \moveleft, \moveright
645 \let\ltj@@orig@raise=\raise
646 \let\ltj@@orig@lower=\lower
647 \protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
648 \protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
649 \protected\def\ltj@@raise{%
650   \ltj@restore@globaldefs
651   \edef\ltj@@raise@a{%
652     \noexpand\directlua{luatexja.direction.raise_box()}%
653     \ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
654   }\ltj@afterbox\ltj@@raise@a}
655 \let\ltj@@orig@moveleft=\moveleft
656 \let\ltj@@orig@moveright=\moveright
657 \protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
658 \protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
659 \protected\def\ltj@@moveleft{%
660   \ltj@restore@globaldefs
661   \edef\ltj@@moveleft@a{%
662     \noexpand\directlua{luatexja.direction.raise_box()}%
663     \ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
664   }\ltj@afterbox\ltj@@moveleft@a}
665
666 %%%%\vsplit
667 \let\ltj@@orig@vsplit=\vsplit
668 \protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
669 %%%% \vcenter
670 \let\ltj@@orig@vcenter=\vcenter
671 \protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
672 \protected\def\ltj@@vcenter{%
673   \directlua{luatexja.direction.raise_box()}%
674   \ltj@@orig@vcenter{\box\ltj@afbox}%
675 }
676
677 %%%% \unhbox and \unvbox
678 \long\def \@gobbletwo #1#2{}
679 \let\ltj@@orig@unhbox=\unhbox
680 \let\ltj@@orig@unvbox=\unvbox
681 \protected\def\unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox\ltj@tempcnta}
682 \protected\def\unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox\ltj@tempcnta}
683 \protected\def\ltj@@unhbox{%
684   \directlua{luatexja.direction.unbox_check_dir()}%
685   \ltj@@orig@unhbox\ltj@tempcnta}
686 \protected\def\ltj@@unvbox{%
687   \directlua{luatexja.direction.unbox_check_dir()}%
688   \ltj@@orig@unvbox\ltj@tempcnta}
689 \let\ltj@@orig@unhcopy=\unhcopy
690 \let\ltj@@orig@unvcopy=\unvcopy
691 \protected\def\unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy\ltj@tempcnta}
692 \protected\def\unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy\ltj@tempcnta}
693 \protected\def\ltj@@unhcopy{%
694   \directlua{luatexja.direction.unbox_check_dir(true)}%
695   \ltj@@orig@unhcopy\ltj@tempcnta
696   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
697 \protected\def\ltj@@unvcopy{%
698   \directlua{luatexja.direction.unbox_check_dir(true)}%
699   \ltj@@orig@unvcopy\ltj@tempcnta
700   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
701
702 %%%% lastbox
703 \let\ltj@@orig@lastbox=\lastbox
704 \protected\def\lastbox{%
705   \directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox
706 }
707
708 %%%%%%%% \ltjgetwd<box_num> etc.
709 \def\ltj@@getwd{%
710   \directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
711 \def\ltj@@getht{%
712   \directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
713 \def\ltj@@getdp{%
714   \directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
715 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
716
717 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
718 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
719 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
720 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
721
722
723 %%------------------ Load module for the format
724
725 \ifltj@in@latex                 %<*LaTeX>
726   \RequirePackage{ltj-latex}
727 \else\ifltj@in@plain            %<*plain>
728   \input ltj-plain.sty %
729 \fi\fi                          %</LaTeX|plain>
730
731 \newcatcodetable\ltj@temp@cctb
732 \def\ltj@overwrite@catcodetable#1{%
733   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
734   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
735 }
736 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
737 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
738 \ltj@overwrite@catcodetable\CatcodeTableExpl
739
740
741 %%------------------ all done
742 \ltj@core@AtEnd
743 \endinput
744 %% EOF