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}[2022-08-24 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{etoolbox}
  82   \IfFileExists{everyhook.sty}{\RequirePackage{everyhook}\ltj@everyhook@availtrue}{}
  83 \else                           %<*!LaTeX>
  84   \input luatexbase.sty
  85   \input luaotfload.sty
  86   \input ltxcmds.sty
  87   \input pdftexcmds.sty
  88   \input xkeyval
  89 \fi                             %</LaTeX>
  90 \endlinechar=-1 %
  91
  92 %% Check if LuaTeX is used
  93 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
  94   % Loading is silently aborted, since the notice of the wrong
  95   % engine is already shown in luaotfload.
  96   \ltj@core@AtEnd
  97 \expandafter\endinput\fi\relax
  98
  99 %% Check LuaTeX version.
 100 \ifnum\luatexversion<110
 101   \@PackageError{luatexja-core}
 102     {This LuaTeX engine is too old for this package;\MessageBreak
 103      at least 1.10.0 is needed}
 104     {Package loading is aborted now.\MessageBreak}
 105 \expandafter\endinput\fi\relax
 106
 107 %% \LuaTeXjaAvailable
 108 %! 環境検査にパスした時に定義される.
 109 \let\LuaTeXjaAvailable=t %
 110
 111 %%------------------
 112 \endlinechar=13
 113
 114 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
 115 % LuaTeX-ja core TeX source
 116
 117 \newcount\ltjlineendcomment
 118 \ltjlineendcomment="FFFFF
 119 \catcode\ltjlineendcomment=14 %"
 120
 121 \def\ltj@loaded{hoge}
 122
 123 \newdimen\ltj@dimen@zw
 124 \newdimen\ltj@dimen@zh
 125 \newdimen\ltj@dimen@jQ \ltj@dimen@jQ=0.25mm
 126 \let\jQ=\ltj@dimen@jQ \let\jH=\jQ
 127
 128 %%%%%%%% Attributes for Japanese typesetting.
 129 \newattribute\ltj@icflag    % attribute for italic correction
 130 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
 131 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
 132 \newattribute\ltj@charclass %
 133 \newattribute\ltj@charcode %
 134 \newattribute\ltj@autospc   % attribute for autospacing
 135 \newattribute\ltj@autoxspc  % attribute for autoxspacing
 136 \newattribute\ltj@yablshift % attribute for yalbaselineshift
 137 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
 138 \newattribute\ltj@tablshift % attribute for talbaselineshift
 139 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
 140 \newattribute\jfam          % index for current jfam
 141 \newattribute\ltj@vert@ori  % <=0: UAX#50, >0: always upright
 142
 143 \newattribute\ltj@dir
 144 \newlanguage\ltj@@japanese
 145 \ltj@dir\z@
 146 \ltj@icflag\z@
 147 \ltj@curjfnt\m@ne
 148 \ltj@curtfnt\m@ne
 149 \ltj@yablshift\z@
 150 \ltj@ykblshift\z@
 151 \ltj@tablshift\z@
 152 \ltj@tkblshift\z@
 153
 154 \newcount\ltj@tempcnta\newdimen\ltj@tempdima
 155 \newcount\ltj@@stack \newcount\ltj@@group@level
 156 \ltj@@group@level\z@\ltj@@stack\z@
 157
 158 %%%%%%%% Attributes for character ranges
 159 \ltj@tempcnta\z@
 160 \loop\ifnum\ltj@tempcnta<7
 161   \expandafter\newattribute%
 162     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 163   \advance\ltj@tempcnta\@ne
 164 \repeat
 165 \csname ltj@kcat0\endcsname=\z@
 166
 167
 168 %%%%%%%% Loading luatexja.lua
 169 %% Quark tokens needed in ltj-base
 170 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 171 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 172
 173 \directlua{%
 174   luatexja = {};
 175   luatexja.lang_ja = \the\ltj@@japanese;
 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("\luatexluaescapestring{#1}")}}
 187
 188
 189 %%%%%%%% Load all sub-packages.
 190 \ifltj@in@latex                 %<*LaTeX>
 191   \RequirePackage{ltj-base}
 192 \else                           %<*!LaTeX>
 193   \input ltj-base.sty %
 194 \fi                             %</LaTeX>
 195
 196 %%%%%%%% \asluastring
 197 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 198
 199 %%%%%%%% Redefine \/
 200 \newluafunction\ltj@@italic@inner
 201 \newluafunction\ltj@@start@time@measure@inner
 202 \newluafunction\ltj@@stop@time@measure@inner
 203 \directlua{
 204   local t = lua.get_functions_table()
 205   local start_time_measure = luatexja.base.start_time_measure
 206   local stop_time_measure = luatexja.base.stop_time_measure
 207   local scan_arg = token.scan_argument
 208   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 209   t[\the\ltj@@start@time@measure@inner] = function()
 210     start_time_measure(scan_arg())
 211   end
 212   t[\the\ltj@@stop@time@measure@inner] = function()
 213     stop_time_measure(scan_arg())
 214   end
 215 }
 216 \begingroup\catcode`\/=11
 217 \global\let\ltj@@orig@/=\/
 218 \protected\gdef\ltj@@/{\relax\luafunction\ltj@@italic@inner}
 219 \global\let\/\ltj@@/ %% PRIMITIVE
 220 \endgroup
 221 \luadef\ltj@@start@time@measure\ltj@@start@time@measure@inner
 222 \luadef\ltj@@stop@time@measure\ltj@@stop@time@measure@inner
 223
 224 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 225 \protected\def\jfont#1{%
 226   \def\ltj@temp{#1}\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko')}}
 227 \protected\def\globaljfont#1{%
 228   \def\ltj@temp{#1}\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko')}}
 229 \newluafunction\ltj@@jfont@inner
 230 \directlua{
 231   (lua.get_functions_table())[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 232 }
 233 \def\ltj@@jfont{\expandafter\expandafter\expandafter\luafunction\expandafter\ltj@@jfont@inner\ltj@temp}
 234
 235 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 236 \protected\def\tfont#1{%
 237   \def\ltj@temp{#1}\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate')}}
 238 \protected\def\globaltfont#1{%
 239   \def\ltj@temp{#1}\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate')}}
 240
 241 %%%%%%%% \zw, \zh
 242 \newluafunction\ltj@zw@inner
 243 \newluafunction\ltj@zh@inner
 244 \directlua{
 245   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 246   t[\the\ltj@zw@inner] = function() setdimen('ltj@dimen@zw', ltjf.get_zw()) end
 247   t[\the\ltj@zh@inner] = function() setdimen('ltj@dimen@zh', ltjf.get_zh()) end
 248 }
 249 \protected\def\ltj@zw{\luafunction\ltj@zw@inner\ltj@dimen@zw}
 250 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@dimen@zh}
 251 \let\zw=\ltj@zw
 252 \let\zh=\ltj@zh
 253
 254 %%%%%%%% \inhibitglue
 255 \newluafunction\ltj@reset@globaldefs@inner
 256 \newluafunction\ltj@restore@globaldefs@inner
 257 \newluafunction\ltj@@disihb@inner
 258 \newluafunction\ltj@@ihb@inner
 259 \newluafunction\ltj@@fakeparbegin@inner
 260 \newluafunction\ltj@@fakeboxbdd@inner
 261 \newluafunction\ltj@@ins@xk@inner
 262 \newluafunction\ltj@@ins@k@inner
 263 \directlua{
 264   local t, ltjj = lua.get_functions_table(), luatexja.jfmglue
 265   t[\the\ltj@reset@globaldefs@inner]
 266      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 267   t[\the\ltj@restore@globaldefs@inner]
 268      = function() tex.globaldefs = luatexja.global_temp end
 269   t[\the\ltj@@disihb@inner] = ltjj.create_disinhibitglue_node
 270   t[\the\ltj@@ihb@inner] = ltjj.create_inhibitglue_node
 271   t[\the\ltj@@fakeparbegin@inner] = ltjj.create_beginpar_node
 272   t[\the\ltj@@fakeboxbdd@inner] = ltjj.create_boxbdd_node
 273   t[\the\ltj@@ins@xk@inner] = ltjj.insert_xk_skip
 274   t[\the\ltj@@ins@k@inner] = ltjj.insert_k_skip
 275 }
 276 \protected\luadef\ltj@reset@globaldefs  \ltj@reset@globaldefs@inner
 277 \protected\luadef\ltj@restore@globaldefs\ltj@restore@globaldefs@inner
 278 \protected\def\disinhibitglue{\ifhmode\relax\luafunction\ltj@@disihb@inner\fi}
 279 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 280 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 281 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 282 \protected\luadef\insertxkanjiskip \ltj@@ins@xk@inner
 283 \protected\luadef\insertkanjiskip  \ltj@@ins@k@inner
 284
 285
 286 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 287 \protected\def\ltjdefcharrange#1#2{%
 288   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 289 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 290   \ifx\ltj@temp\empty\let\@next=\relax\else
 291   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 292 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 293 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 294   \ifx\ltj@temp\empty
 295     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 296   \else
 297     \def\ltj@temp{#1}%
 298     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 299     \def\ltj@temp{#2}%
 300     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 301   \fi
 302   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 303     \the\ltj@tempcntc)}%
 304   }
 305
 306 %%%%%%%% \ltjsetparameter
 307 \setbox\z@\hbox{%
 308   \directlua{% This value depends on the version of LuaTeX.
 309     luatexja.stack.hmode = -tex.getnest().mode
 310   }%
 311 }
 312 \setbox\z@\vbox{%
 313   \directlua{% This value depends on the version of LuaTeX.
 314     luatexja.stack.vmode = -tex.getnest().mode
 315   }%
 316 }
 317 \setbox\z@\box\voidb@x
 318
 319 % prebreakpenalty = {<char_code>, <penalty>}
 320 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 321 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 322 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 323 \def\ltj@@set@stack#1#2#3{%
 324   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 325
 326 % jatextfont = {<char_code>, <font_cs>}
 327 % only horizontal font is supported
 328 \define@key[ltj]{japaram}{jatextfont}{%
 329   \expandafter\ltj@@set@stackfont#1:{MJT}}
 330 \define@key[ltj]{japaram}{jascriptfont}{%
 331   \expandafter\ltj@@set@stackfont#1:{MJS}}
 332 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 333   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 334 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 335   \ltj@reset@globaldefs
 336   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 337   \ifnum\ltj@curjfnt=\m@ne
 338     \@PackageError{luatexja-core}%
 339     {\string#2 is not a control sequence that represents \MessageBreak
 340      a Japanese font}{}%
 341   \else
 342     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 343     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 344   \fi
 345   \ltj@curjfnt=\ltj@tempcnta
 346   \ltj@restore@globaldefs
 347   }
 348
 349 % {y,t}{ja,al}baselineshift = <dimen>
 350 % yjabaselineshift = <dimen>
 351 \def\ltj@set@blshift@#1{\directlua{%
 352   local n = token.scan_dimen()
 353   tex.setattribute(luatexja.isglobal,
 354     luatexbase.attributes['#1'], (n==0) and 0 or n)
 355   %次期バージョンで ... and -0x7FFFFFFF or ... に変える
 356 }}
 357 \define@key[ltj]{japaram}{yalbaselineshift}{\ltj@set@blshift@{ltj@yablshift}#1\relax}
 358 \define@key[ltj]{japaram}{yjabaselineshift}{\ltj@set@blshift@{ltj@ykblshift}#1\relax}
 359 \define@key[ltj]{japaram}{talbaselineshift}{\ltj@set@blshift@{ltj@tablshift}#1\relax}
 360 \define@key[ltj]{japaram}{tjabaselineshift}{\ltj@set@blshift@{ltj@tkblshift}#1\relax}
 361
 362 % jaxspmode = {<char_code>, <mode>}
 363 % mode: inhibit, preonly, postonly, allow
 364 %    or       0        1         2      3
 365 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 366   \expandafter\ltj@set@jaxspmode#1:\relax}
 367 \def\ltj@set@jaxspmode#1,#2:{%
 368   \lowercase{\edef\ltj@temp{#2}}%
 369   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 370   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 371   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 372   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 373   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 374
 375 % alxspmode = {<char_code>, <mode>}
 376 % mode: inhibit, preonly, postonly, allow
 377 %    or       0        1         2      3
 378 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 379   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 380
 381 % autospacing = <bool> (default: true)
 382 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 383   \ifltj@japaram@autospacing
 384     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autospc
 385   \else
 386     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 387   \fi}
 388
 389 % autoxspacing = <bool> (default: true)
 390 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 391   \ifltj@japaram@autoxspacing
 392     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autoxspc
 393   \else
 394     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 395   \fi}
 396
 397 % [x]]kanjiskip = <skip>
 398 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 399 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 400 \newluafunction\ltjsetkanjiskip@inner
 401 \newluafunction\ltjsetxkanjiskip@inner
 402 \directlua{
 403   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 404   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 405   t[\the\ltjsetkanjiskip@inner] = function()
 406     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 407   end
 408   t[\the\ltjsetxkanjiskip@inner] = function()
 409     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 410   end
 411 }
 412 \protected\luadef\ltjsetkanjiskip \ltjsetkanjiskip@inner
 413 \protected\luadef\ltjsetxkanjiskip\ltjsetxkanjiskip@inner
 414
 415 % jcharwidowpenalty = <count>
 416 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 417   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 418
 419 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 420 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 421   {large,small,average,pleft,pright,paverage,both}{%
 422   \ifcase\ltj@tempr
 423     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 424     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 425     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 426     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 427     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 428     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 429     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 430   \fi
 431 }{\@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 432   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 433   `pleft', `pright', 'paverage' or `both'. }}
 434   % large, small, average, pleft, pright, paverage, both
 435
 436
 437 % jacharrange = { +-<range_number> }
 438 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 439 \def\ltj@@scrange#1,{%
 440   \edef\ltj@temp{#1}%
 441   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 442     \directlua{luatexja.charrange.toggle_char_range(%
 443       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 444   \fi\ltj@@next
 445 }
 446
 447 \protected\def\ltj@setpar@global{%
 448   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 449     \else\directlua{luatexja.isglobal=''}\fi
 450 }
 451 \protected\def\ltjsetparameter#1{%
 452   \ltj@@start@time@measure{set_par}%
 453   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 454   \ltj@@stop@time@measure{set_par}%
 455   \ignorespaces}
 456 \protected\def\ltjglobalsetparameter#1{%
 457   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 458     \else\directlua{luatexja.isglobal='global'}\fi%
 459   \ltj@@start@time@measure{set_par}%
 460   \setkeys[ltj]{japaram}{#1}%
 461   \ltj@@stop@time@measure{set_par}%
 462   \ignorespaces}
 463
 464 %%%%%%%% \ltjgetparameter
 465 \def\ltj@@decl@array@param#1{%
 466   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 467 }
 468 \ltj@@decl@array@param{prebreakpenalty}
 469 \ltj@@decl@array@param{postbreakpenalty}
 470 \ltj@@decl@array@param{jaxspmode}
 471 \ltj@@decl@array@param{alxspmode}
 472 \ltj@@decl@array@param{kcatcode}
 473 \ltj@@decl@array@param{jacharrange}
 474 \ltj@@decl@array@param{chartorange}
 475 \ltj@@decl@array@param{boxdir}
 476 \def\ltjgetparameter#1{%
 477   \ltj@@start@time@measure{get_par}%
 478   % stop call is moved in luatexja.lua
 479   \ifcsname ltj@@array@param/#1\endcsname
 480     \expandafter\ltx@firstoftwo
 481   \else
 482     \expandafter\ltx@secondoftwo
 483   \fi
 484   {\ltj@@getparam@two{#1}}%
 485   {\ltj@@getparam@one{#1}}%
 486 }
 487 \newluafunction\ltj@@getparam@one@inner
 488 \directlua{
 489   (lua.get_functions_table())[\the\ltj@@getparam@one@inner] = luatexja.ext_get_parameter_unary
 490 }
 491 \luadef\ltj@@getparam@one\ltj@@getparam@one@inner
 492 \def\ltj@@getparam@two#1#2{%
 493   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 494 }
 495
 496 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 497 \let\ltj@@origchar=\char
 498 \newluafunction\ltj@alljachar@inner
 499 \directlua{
 500   local t, set_attr = lua.get_functions_table(), tex.setattribute
 501   local get_attr, floor = tex.getattribute, math.floor
 502   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 503   local lang_ja = luatexja.lang_ja
 504   t[\the\ltj@alljachar@inner] = function()
 505     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
 506     for i=0,6 do
 507       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)], 0)
 508     end
 509   end
 510 }
 511 \protected\luadef\ltj@alljachar\ltj@alljachar@inner
 512 \protected\def\ltj@allalchar{\relax
 513     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 514     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 515     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 516     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 517     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 518     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 519     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 520
 521 \protected\def\ltjjachar{\leavevmode\afterassignment\ltj@@jachar\ltj@tempcnta}
 522 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 523 \protected\def\ltjalchar{\leavevmode\afterassignment\ltj@@alchar\ltj@tempcnta}
 524 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 525
 526 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 527 \protected\def\ltjsetmathletter#1{%
 528   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 529 }
 530 \protected\def\ltjunsetmathletter#1{%
 531   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 532 }
 533
 534 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 535 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 536 % いつも global
 537 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 538   \ltj@reset@globaldefs
 539   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 540   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 541   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 542   \ifnum\ltj@tempcntc=\m@ne
 543     \@PackageError{luatexja-core}%
 544     {\string#1 is not a control sequence that represents \MessageBreak
 545      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 546     \ltj@tempcntc=\ltj@curjfnt
 547   \fi\ltj@restore@globaldefs}
 548
 549 \protected\def\ltjdeclarealtfont#1#2#3{%
 550   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 551    \ltj@@getjfontnumber#2%
 552    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 553 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 554   \ifx\ltj@temp\empty\let\@next=\relax\else
 555   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 556 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 557 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 558   \ifx\ltj@temp\empty
 559     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 560   \else
 561     \def\ltj@temp{#1}%
 562     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 563     \def\ltj@temp{#2}%
 564     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 565   \fi
 566   \directlua{luatexja.jfont.set_alt_font(
 567     \the\ltj@tempcnta,\the\ltj@tempcntb,
 568     \the\ltj@tempcntc, \the\@tempcnta)}%
 569   }
 570
 571 %%%%%%%% \ltjclearaltfont<font_cs>
 572 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 573 \protected\def\ltjclearaltfont#1{%
 574   {\ltj@@getjfontnumber#1%
 575    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 576
 577
 578 %%%%%%%% \yoko, \tate,\dtou
 579 \protected\def\tate{%
 580   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 581 }
 582 \protected\def\yoko{%
 583   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 584 }
 585 \protected\def\dtou{%
 586   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 587 }
 588 \protected\def\utod{% 「縦数式ディレクション」
 589   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 590 }
 591 \define@key[ltj]{japaram}{direction}{%% always local
 592   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 593 }
 594
 595 \yoko
 596
 597 %%%% insert
 598 \let\ltj@@orig@insert\insert
 599 \newluafunction\ltj@@lua@populate@insertwhatsit@inner
 600 \directlua{
 601   (lua.get_functions_table())[\the\ltj@@lua@populate@insertwhatsit@inner]
 602     = luatexja.direction.populate_insertion_dir_whatsit
 603 }
 604 \luadef\ltj@@lua@populate@insertwhatsit\ltj@@lua@populate@insertwhatsit@inner
 605 \protected\def\ltj@@insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 606 \let\insert\ltj@@insert %% PRIMITIVE
 607 \protected\def\ltj@@insert@A{\ltj@@orig@insert\ltj@tempcnta\bgroup
 608   \aftergroup\ltj@@insert@B\let\ltj@@next}
 609 \protected\def\ltj@@insert@B{\ltj@@lua@populate@insertwhatsit\endgroup}
 610
 611 %%%% vadjust
 612 \let\ltj@@orig@vadjust\vadjust
 613 \newluafunction\ltj@@vadjust@begin@inner
 614 \newluafunction\ltj@@vadjust@dirhook@inner
 615 \newluafunction\ltj@@vadjust@check@dir@inner
 616 \directlua{
 617   local t = lua.get_functions_table()
 618   t[\the\ltj@@vadjust@begin@inner] = luatexja.direction.adjust_begin
 619   t[\the\ltj@@vadjust@dirhook@inner]
 620     = function () luatexja.direction.set_list_direction_hook('adj') end
 621   t[\the\ltj@@vadjust@check@dir@inner] = luatexja.direction.check_adjust_direction
 622 }
 623 \protected\luadef\ltj@@vadjust\ltj@@vadjust@begin@inner
 624 \luadef\ltj@@vadjust@dirhook\ltj@@vadjust@dirhook@inner
 625 \protected\luadef\ltj@@vadjust@check@dir\ltj@@vadjust@check@dir@inner
 626 \def\ltj@@vadjust@pre{\ltj@@orig@vadjust pre\bgroup\ltj@@vadjust@dirhook
 627   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 628 \def\ltj@@vadjust@post{\ltj@@orig@vadjust\bgroup\ltj@@vadjust@dirhook
 629   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 630 \let\vadjust\ltj@@vadjust %% PRIMITIVE
 631
 632 %%%% \hbox, \vbox, \vtop
 633 \setbox\z@\hbox{%
 634   \primitive\everymath{}%
 635   $\directlua{% This value depends on the version of LuaTeX.
 636      luatexja.stack.mmode = -tex.getnest().mode
 637   }$%
 638 }
 639 \setbox\z@\box\voidb@x
 640 \newluafunction\ltj@@box@dirhook@inner
 641 \newluafunction\ltj@@reset@badness@inner
 642 \directlua{
 643   local t, ltjd = lua.get_functions_table(), luatexja.direction
 644   t[\the\ltj@@box@dirhook@inner]
 645     = function() ltjd.set_list_direction_hook() end
 646   t[\the\ltj@@reset@badness@inner] = function()
 647     if luatexja.global_temp then
 648       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 649       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 650       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 651     end
 652   end
 653 }
 654 \luadef\ltj@@box@dirhook\ltj@@box@dirhook@inner
 655 \ifltj@everyhook@avail% using everyhook package
 656   \PushPreHook{hbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 657   \PushPreHook{vbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 658 \else
 659   \let\ltj@@everyhbox\everyhbox\let\ltj@@everyvbox\everyvbox
 660   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 661   \let\everyhbox\ltj@@i@everyhbox\let\everyvbox\ltj@@i@everyvbox
 662   \ltj@@everyhbox{\ltj@@box@dirhook
 663     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 664   \ltj@@everyvbox{\ltj@@box@dirhook
 665     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 666 \fi
 667
 668 \luadef\ltj@@reset@badness\ltj@@reset@badness@inner
 669
 670 %%%% \raise, \lower, \moveleft, \moveright
 671 \newluafunction\ltj@@lua@raisebox@inner
 672 \directlua{
 673   (lua.get_functions_table())[\the\ltj@@lua@raisebox@inner]=luatexja.direction.raise_box
 674 }
 675 \protected\luadef\ltj@@lua@raisebox\ltj@@lua@raisebox@inner
 676 \let\ltj@@orig@raise\raise
 677 \let\ltj@@orig@lower\lower
 678 \protected\def\ltj@@raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima}
 679 \protected\def\ltj@@lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima-}
 680 \protected\def\ltj@@raise@{%
 681   \ltj@restore@globaldefs
 682   \edef\ltj@@raise@a{%
 683     \ltj@@lua@raisebox\ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 684   }\ltj@afterbox\ltj@@raise@a}
 685 \let\ltj@@orig@moveleft\moveleft
 686 \let\ltj@@orig@moveright\moveright
 687 \protected\def\ltj@@moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima}
 688 \protected\def\ltj@@moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima-}
 689 \protected\def\ltj@@moveleft@{%
 690   \ltj@restore@globaldefs
 691   \edef\ltj@@moveleft@a{%
 692     \ltj@@lua@raisebox\ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 693   }\ltj@afterbox\ltj@@moveleft@a}
 694 \let\raise\ltj@@raise %% PRIMITIVE
 695 \let\lower\ltj@@lower %% PRIMITIVE
 696 \let\moveleft\ltj@@moveleft %% PRIMITIVE
 697 \let\moveright\ltj@@moveright %% PRIMITIVE
 698
 699 %%%%\vsplit
 700 \newluafunction\ltj@@vsplit@inner
 701 \directlua{
 702   (lua.get_functions_table())[\the\ltj@@vsplit@inner]=luatexja.direction.vsplit
 703 }
 704 \let\ltj@@orig@vsplit\vsplit
 705 \protected\def\ltj@@vsplit{\luafunction\ltj@@vsplit@inner}
 706 \let\vsplit\ltj@@vsplit %% PRIMITIVE
 707
 708 %%%% \vcenter
 709 \let\ltj@@orig@vcenter\vcenter
 710 \protected\def\ltj@@vcenter{\ltj@afterbox\ltj@@vcenter@\vbox}
 711 \protected\def\ltj@@vcenter@{%
 712   \ltj@@lua@raisebox\ltj@@orig@vcenter{\box\ltj@afbox}%
 713 }
 714 \let\vcenter\ltj@@vcenter %% PRIMITIVE
 715
 716 %%%% \unhbox and \unvbox
 717 \newluafunction\ltj@@lua@unboxcheckdir@inner
 718 \newluafunction\ltj@@lua@uncopycheckdir@inner
 719 \newluafunction\ltj@@lua@uncopy@restore@whatsit@inner
 720 \directlua{
 721   local t = lua.get_functions_table()
 722   t[\the\ltj@@lua@unboxcheckdir@inner]=luatexja.direction.unbox_check_dir
 723   t[\the\ltj@@lua@uncopycheckdir@inner]=luatexja.direction.uncopy_check_dir
 724   t[\the\ltj@@lua@uncopy@restore@whatsit@inner]=luatexja.direction.uncopy_restore_whatsit
 725 }
 726 \luadef\ltj@@lua@unboxcheckdir\ltj@@lua@unboxcheckdir@inner
 727 \luadef\ltj@@lua@uncopycheckdir\ltj@@lua@uncopycheckdir@inner
 728 \luadef\ltj@@lua@uncopy@restore@whatsit\ltj@@lua@uncopy@restore@whatsit@inner
 729 \long\def \@gobbletwo #1#2{}
 730 \let\ltj@@orig@unhbox\unhbox
 731 \let\ltj@@orig@unvbox\unvbox
 732 \protected\def\ltj@@unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox@\ltj@tempcnta}
 733 \protected\def\ltj@@unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox@\ltj@tempcnta}
 734 \protected\def\ltj@@unhbox@{\ltj@@lua@unboxcheckdir\expandafter\ltj@@orig@unhbox\the\ltj@tempcnta\relax}
 735 \protected\def\ltj@@unvbox@{\ltj@@lua@unboxcheckdir\expandafter\ltj@@orig@unvbox\the\ltj@tempcnta\relax}
 736 \let\ltj@@orig@unhcopy\unhcopy
 737 \let\ltj@@orig@unvcopy\unvcopy
 738 \protected\def\ltj@@unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy@\ltj@tempcnta}
 739 \protected\def\ltj@@unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy@\ltj@tempcnta}
 740 \protected\def\ltj@@unhcopy@{%
 741   \ltj@@lua@uncopycheckdir\expandafter\ltj@@orig@unhcopy\the\ltj@tempcnta\relax
 742   \ltj@@lua@uncopy@restore@whatsit}%
 743 \protected\def\ltj@@unvcopy@{%
 744   \ltj@@lua@uncopycheckdir\expandafter\ltj@@orig@unvcopy\the\ltj@tempcnta\relax
 745   \ltj@@lua@uncopy@restore@whatsit}%
 746 \let\unhbox\ltj@@unhbox %% PRIMITIVE
 747 \let\unvbox\ltj@@unvbox %% PRIMITIVE
 748 \let\unhcopy\ltj@@unhcopy %% PRIMITIVE
 749 \let\unvcopy\ltj@@unvcopy %% PRIMITIVE
 750
 751 %%%% lastbox
 752 \let\ltj@@orig@lastbox=\lastbox
 753 \protected\def\ltj@@lastbox{\directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox}
 754 \let\lastbox\ltj@@lastbox %% PRIMITIVE
 755
 756 %%%%%%%% \ltjgetwd<box_num> etc.
 757 \def\ltj@@getwd{\directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 758 \def\ltj@@getht{\directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 759 \def\ltj@@getdp{\directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 760 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 761
 762 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 763 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 764 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 765 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 766
 767
 768 %%------------------ Load module for the format
 769
 770 \directlua{luatexja.load_kinsoku()}
 771 \ifltj@in@latex                 %<*LaTeX>
 772   \RequirePackage{ltj-latex}
 773 \else\ifltj@in@plain            %<*plain>
 774   \input ltj-plain.sty %
 775 \fi\fi                          %</LaTeX|plain>
 776
 777 \newcatcodetable\ltj@temp@cctb
 778 \def\ltj@overwrite@catcodetable#1{%
 779   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 780   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 781 }
 782 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 783 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 784 \ltj@overwrite@catcodetable\CatcodeTableExpl
 785
 786
 787 %%------------------ all done
 788 \ltj@core@AtEnd
 789 \endinput
 790 %% EOF