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}[2022-08-18 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
 150 %%%%%%%% Attributes for character ranges
 151 \newcount\ltj@tempcnta
 152 \ltj@tempcnta\z@
 153 \loop\ifnum\ltj@tempcnta<7
 154   \expandafter\newattribute%
 155     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 156   \advance\ltj@tempcnta\@ne
 157 \repeat
 158 \csname ltj@kcat0\endcsname=\z@
 159
 160
 161 %%%%%%%% Loading luatexja.lua
 162 %% Quark tokens needed in ltj-base
 163 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 164 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 165
 166 \directlua{%
 167   luatexja = {};
 168   luatexja.lang_ja = \the\ltj@@japanese;
 169   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
 170       "File `luatexja.lua' not found"))
 171 }
 172
 173 %% \RequireLuaTeXjaSubmodule{name}[date]
 174 % A TeX version of luatexja.load_module(name)
 175 % The second optional argument [date] is simply ignored.
 176 \def\RequireLuaTeXjaSubmodule#1{%
 177   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 178 \def\ltj@requirelua@submod#1[#2]{%
 179   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 180
 181
 182 %%%%%%%% Load all sub-packages.
 183 \ifltj@in@latex                 %<*LaTeX>
 184   \RequirePackage{ltj-base}
 185 \else                           %<*!LaTeX>
 186   \input ltj-base.sty %
 187 \fi                             %</LaTeX>
 188
 189 %%%%%%%% \asluastring
 190 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 191
 192 %%%%%%%% Redefine \/
 193 \newluafunction\ltj@@italic@inner
 194 \newluafunction\ltj@@start@time@measure@inner
 195 \newluafunction\ltj@@stop@time@measure@inner
 196 \directlua{
 197   local t = lua.get_functions_table()
 198   local start_time_measure = luatexja.base.start_time_measure
 199   local stop_time_measure = luatexja.base.stop_time_measure
 200   local scan_arg = token.scan_argument
 201   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 202   t[\the\ltj@@start@time@measure@inner] = function()
 203     start_time_measure(scan_arg())
 204   end
 205   t[\the\ltj@@stop@time@measure@inner] = function()
 206     stop_time_measure(scan_arg())
 207   end
 208 }
 209 \begingroup\catcode`\/=11
 210 \global\let\ltj@@orig@/=\/
 211 \protected\gdef\ltj@@/{\relax\luafunction\ltj@@italic@inner}
 212 \global\let\/\ltj@@/ %% PRIMITIVE
 213 \endgroup
 214 \luadef\ltj@@start@time@measure\ltj@@start@time@measure@inner
 215 \luadef\ltj@@stop@time@measure\ltj@@stop@time@measure@inner
 216
 217 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 218 \protected\def\jfont#1{%
 219   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
 220 \protected\def\globaljfont#1{%
 221   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
 222 \newluafunction\ltj@@jfont@inner
 223 \directlua{
 224   local t = lua.get_functions_table()
 225   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 226 }
 227 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
 228
 229 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 230 \protected\def\tfont#1{%
 231   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
 232 \protected\def\globaltfont#1{%
 233   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 234
 235 %%%%%%%% \zw, \zh
 236 \newluafunction\ltj@zw@inner
 237 \newluafunction\ltj@zh@inner
 238 \directlua{
 239   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 240   t[\the\ltj@zw@inner] = function() setdimen('ltj@dimen@zw', ltjf.get_zw()) end
 241   t[\the\ltj@zh@inner] = function() setdimen('ltj@dimen@zh', ltjf.get_zh()) end
 242 }
 243 \protected\def\ltj@zw{\luafunction\ltj@zw@inner\ltj@dimen@zw}
 244 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@dimen@zh}
 245 \let\zw=\ltj@zw
 246 \let\zh=\ltj@zh
 247
 248 %%%%%%%% \inhibitglue
 249 \newluafunction\ltj@reset@globaldefs@inner
 250 \newluafunction\ltj@restore@globaldefs@inner
 251 \newluafunction\ltj@@disihb@inner
 252 \newluafunction\ltj@@ihb@inner
 253 \newluafunction\ltj@@fakeparbegin@inner
 254 \newluafunction\ltj@@fakeboxbdd@inner
 255 \newluafunction\ltj@@ins@xk@inner
 256 \newluafunction\ltj@@ins@k@inner
 257 \directlua{
 258   local t, ltjj = lua.get_functions_table(), luatexja.jfmglue
 259   t[\the\ltj@reset@globaldefs@inner]
 260      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 261   t[\the\ltj@restore@globaldefs@inner]
 262      = function() tex.globaldefs = luatexja.global_temp end
 263   t[\the\ltj@@disihb@inner] = ltjj.create_disinhibitglue_node
 264   t[\the\ltj@@ihb@inner] = ltjj.create_inhibitglue_node
 265   t[\the\ltj@@fakeparbegin@inner] = ltjj.create_beginpar_node
 266   t[\the\ltj@@fakeboxbdd@inner] = ltjj.create_boxbdd_node
 267   t[\the\ltj@@ins@xk@inner] = ltjj.insert_xk_skip
 268   t[\the\ltj@@ins@k@inner] = ltjj.insert_k_skip
 269 }
 270 \protected\luadef\ltj@reset@globaldefs  \ltj@reset@globaldefs@inner
 271 \protected\luadef\ltj@restore@globaldefs\ltj@restore@globaldefs@inner
 272 \protected\def\disinhibitglue{\ifhmode\relax\luafunction\ltj@@disihb@inner\fi}
 273 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 274 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 275 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 276 \protected\luadef\insertxkanjiskip \ltj@@ins@xk@inner
 277 \protected\luadef\insertkanjiskip  \ltj@@ins@k@inner
 278
 279
 280 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 281 \protected\def\ltjdefcharrange#1#2{%
 282   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 283 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 284   \ifx\ltj@temp\empty\let\@next=\relax\else
 285   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 286 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 287 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 288   \ifx\ltj@temp\empty
 289     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 290   \else
 291     \def\ltj@temp{#1}%
 292     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 293     \def\ltj@temp{#2}%
 294     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 295   \fi
 296   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 297     \the\ltj@tempcntc)}%
 298   }
 299
 300 %%%%%%%% \ltjsetparameter
 301 \newcount\ltj@@stack \newcount\ltj@@group@level
 302 \ltj@@group@level\z@\ltj@@stack\z@
 303
 304 \setbox\z@\hbox{%
 305   \directlua{% This value depends on the version of LuaTeX.
 306     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
 307   }%
 308 }
 309 \setbox\z@\vbox{%
 310   \directlua{% This value depends on the version of LuaTeX.
 311     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
 312   }%
 313 }
 314 \setbox\z@\box\voidb@x
 315
 316 % prebreakpenalty = {<char_code>, <penalty>}
 317 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 318 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 319 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 320 \def\ltj@@set@stack#1#2#3{%
 321   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 322 %\def\ltj@@set@stack#1,#2:#3#4#5{%
 323 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
 324 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 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 -0x7FFFFFFF or n)%
 355 }}
 356 \define@key[ltj]{japaram}{yalbaselineshift}{\ltj@set@blshift@{ltj@yablshift}#1\relax}
 357 \define@key[ltj]{japaram}{yjabaselineshift}{\ltj@set@blshift@{ltj@ykblshift}#1\relax}
 358 \define@key[ltj]{japaram}{talbaselineshift}{\ltj@set@blshift@{ltj@tablshift}#1\relax}
 359 \define@key[ltj]{japaram}{tjabaselineshift}{\ltj@set@blshift@{ltj@tkblshift}#1\relax}
 360
 361 % jaxspmode = {<char_code>, <mode>}
 362 % mode: inhibit, preonly, postonly, allow
 363 %    or       0        1         2      3
 364 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 365   \expandafter\ltj@set@jaxspmode#1:\relax}
 366 \def\ltj@set@jaxspmode#1,#2:{%
 367   \lowercase{\edef\ltj@temp{#2}}%
 368   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 369   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 370   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 371   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 372   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 373
 374 % alxspmode = {<char_code>, <mode>}
 375 % mode: inhibit, preonly, postonly, allow
 376 %    or       0        1         2      3
 377 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 378   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 379
 380 % autospacing = <bool> (default: true)
 381 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 382   \ifltj@japaram@autospacing
 383     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autospc
 384   \else
 385     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 386   \fi}
 387
 388 % autoxspacing = <bool> (default: true)
 389 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 390   \ifltj@japaram@autoxspacing
 391     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autoxspc
 392   \else
 393     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 394   \fi}
 395
 396 % [x]]kanjiskip = <skip>
 397 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 398 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 399 \newluafunction\ltjsetkanjiskip@inner
 400 \newluafunction\ltjsetxkanjiskip@inner
 401 \directlua{
 402   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 403   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 404   t[\the\ltjsetkanjiskip@inner] = function()
 405     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 406   end
 407   t[\the\ltjsetxkanjiskip@inner] = function()
 408     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 409   end
 410 }
 411 \protected\luadef\ltjsetkanjiskip \ltjsetkanjiskip@inner
 412 \protected\luadef\ltjsetxkanjiskip\ltjsetxkanjiskip@inner
 413
 414 % jcharwidowpenalty = <count>
 415 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 416   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 417
 418 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 419 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 420   {large,small,average,pleft,pright,paverage,both}{%
 421   \ifcase\ltj@tempr
 422     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 423     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 424     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 425     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 426     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 427     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 428     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 429   \fi
 430 }{\@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 431   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 432   `pleft', `pright', 'paverage' or `both'. }}
 433   % large, small, average, pleft, pright, paverage, both
 434
 435
 436 % jacharrange = { +-<range_number> }
 437 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 438 \def\ltj@@scrange#1,{%
 439   \edef\ltj@temp{#1}%
 440   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 441     \directlua{luatexja.charrange.toggle_char_range(%
 442       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 443   \fi\ltj@@next
 444 }
 445
 446 \protected\def\ltj@setpar@global{%
 447   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 448     \else\directlua{luatexja.isglobal=''}\fi
 449 }
 450 \protected\def\ltjsetparameter#1{%
 451   \ltj@@start@time@measure{set_par}%
 452   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 453   \ltj@@stop@time@measure{set_par}%
 454   \ignorespaces}
 455 \protected\def\ltjglobalsetparameter#1{%
 456   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 457     \else\directlua{luatexja.isglobal='global'}\fi%
 458   \ltj@@start@time@measure{set_par}%
 459   \setkeys[ltj]{japaram}{#1}%
 460   \ltj@@stop@time@measure{set_par}%
 461   \ignorespaces}
 462
 463 %%%%%%%% \ltjgetparameter
 464 \def\ltj@@decl@array@param#1{%
 465   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 466 }
 467 \ltj@@decl@array@param{prebreakpenalty}
 468 \ltj@@decl@array@param{postbreakpenalty}
 469 \ltj@@decl@array@param{jaxspmode}
 470 \ltj@@decl@array@param{alxspmode}
 471 \ltj@@decl@array@param{kcatcode}
 472 \ltj@@decl@array@param{jacharrange}
 473 \ltj@@decl@array@param{chartorange}
 474 \ltj@@decl@array@param{boxdir}
 475 \def\ltjgetparameter#1{%
 476   \ltj@@start@time@measure{get_par}%
 477   % stop call is moved in luatexja.lua
 478   \ifcsname ltj@@array@param/#1\endcsname
 479     \expandafter\ltx@firstoftwo
 480   \else
 481     \expandafter\ltx@secondoftwo
 482   \fi
 483   {\ltj@@getparam@two{#1}}%
 484   {\ltj@@getparam@one{#1}}%
 485 }
 486 \newluafunction\ltj@@getparam@one@inner
 487 \directlua{
 488   local t = lua.get_functions_table()
 489   t[\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   local t = lua.get_functions_table()
 602   t[\the\ltj@@lua@populate@insertwhatsit@inner]
 603     = luatexja.direction.populate_insertion_dir_whatsit
 604 }
 605 \luadef\ltj@@lua@populate@insertwhatsit\ltj@@lua@populate@insertwhatsit@inner
 606 \protected\def\ltj@@insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 607 \let\insert\ltj@@insert %% PRIMITIVE
 608 \protected\def\ltj@@insert@A{\ltj@@orig@insert\ltj@tempcnta\bgroup
 609   \aftergroup\ltj@@insert@B\let\ltj@@next}
 610 \protected\def\ltj@@insert@B{\ltj@@lua@populate@insertwhatsit\endgroup}
 611
 612 %%%% vadjust
 613 \let\ltj@@orig@vadjust\vadjust
 614 \newluafunction\ltj@@vadjust@begin@inner
 615 \newluafunction\ltj@@vadjust@dirhook@inner
 616 \newluafunction\ltj@@vadjust@check@dir@inner
 617 \directlua{
 618   local t = lua.get_functions_table()
 619   t[\the\ltj@@vadjust@begin@inner] = luatexja.direction.adjust_begin
 620   t[\the\ltj@@vadjust@dirhook@inner]
 621     = function () luatexja.direction.set_list_direction_hook('adj') end
 622   t[\the\ltj@@vadjust@check@dir@inner] = luatexja.direction.check_adjust_direction
 623 }
 624 \protected\luadef\ltj@@vadjust\ltj@@vadjust@begin@inner
 625 \luadef\ltj@@vadjust@dirhook\ltj@@vadjust@dirhook@inner
 626 \protected\luadef\ltj@@vadjust@check@dir\ltj@@vadjust@check@dir@inner
 627 \def\ltj@@vadjust@pre{\ltj@@orig@vadjust pre\bgroup\ltj@@vadjust@dirhook
 628   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 629 \def\ltj@@vadjust@post{\ltj@@orig@vadjust\bgroup\ltj@@vadjust@dirhook
 630   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 631 \let\vadjust\ltj@@vadjust %% PRIMITIVE
 632
 633 %%%% \hbox, \vbox, \vtop
 634 \setbox\z@\hbox{%
 635   \primitive\everymath{}%
 636   $\directlua{% This value depends on the version of LuaTeX.
 637      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
 638   }$%
 639 }
 640 \setbox\z@\box\voidb@x
 641 \newluafunction\ltj@@box@dirhook@inner
 642 \newluafunction\ltj@@reset@badness@inner
 643 \directlua{
 644   local t, ltjd = lua.get_functions_table(), luatexja.direction
 645   t[\the\ltj@@box@dirhook@inner]
 646     = function() ltjd.set_list_direction_hook() end
 647   t[\the\ltj@@reset@badness@inner] = function()
 648     if luatexja.global_temp then
 649       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 650       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 651       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 652     end
 653   end
 654 }
 655 \luadef\ltj@@box@dirhook\ltj@@box@dirhook@inner
 656 \ifltj@everyhook@avail% using everyhook package
 657   \PushPreHook{hbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 658   \PushPreHook{vbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 659 \else
 660   \let\ltj@@everyhbox\everyhbox\let\ltj@@everyvbox\everyvbox
 661   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 662   \let\everyhbox\ltj@@i@everyhbox\let\everyvbox\ltj@@i@everyvbox
 663   \ltj@@everyhbox{\ltj@@box@dirhook
 664     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 665   \ltj@@everyvbox{\ltj@@box@dirhook
 666     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 667 \fi
 668
 669 \luadef\ltj@@reset@badness\ltj@@reset@badness@inner
 670
 671 %%%% \raise, \lower, \moveleft, \moveright
 672 \newluafunction\ltj@@lua@raisebox@inner
 673 \directlua{
 674   local t = lua.get_functions_table()
 675   t[\the\ltj@@lua@raisebox@inner]=luatexja.direction.raise_box
 676 }
 677 \protected\luadef\ltj@@lua@raisebox\ltj@@lua@raisebox@inner
 678 \let\ltj@@orig@raise\raise
 679 \let\ltj@@orig@lower\lower
 680 \protected\def\ltj@@raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima}
 681 \protected\def\ltj@@lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima-}
 682 \protected\def\ltj@@raise@{%
 683   \ltj@restore@globaldefs
 684   \edef\ltj@@raise@a{%
 685     \ltj@@lua@raisebox\ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 686   }\ltj@afterbox\ltj@@raise@a}
 687 \let\ltj@@orig@moveleft\moveleft
 688 \let\ltj@@orig@moveright\moveright
 689 \protected\def\ltj@@moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima}
 690 \protected\def\ltj@@moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima-}
 691 \protected\def\ltj@@moveleft@{%
 692   \ltj@restore@globaldefs
 693   \edef\ltj@@moveleft@a{%
 694     \ltj@@lua@raisebox\ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 695   }\ltj@afterbox\ltj@@moveleft@a}
 696 \let\raise\ltj@@raise %% PRIMITIVE
 697 \let\lower\ltj@@lower %% PRIMITIVE
 698 \let\moveleft\ltj@@moveleft %% PRIMITIVE
 699 \let\moveright\ltj@@moveright %% PRIMITIVE
 700
 701 %%%%\vsplit
 702 \let\ltj@@orig@vsplit\vsplit
 703 \protected\def\ltj@@vsplit{\directlua{luatexja.direction.vsplit()}}
 704 \let\vsplit\ltj@@vsplit %% PRIMITIVE
 705
 706 %%%% \vcenter
 707 \let\ltj@@orig@vcenter\vcenter
 708 \protected\def\ltj@@vcenter{\ltj@afterbox\ltj@@vcenter@\vbox}
 709 \protected\def\ltj@@vcenter@{%
 710   \ltj@@lua@raisebox\ltj@@orig@vcenter{\box\ltj@afbox}%
 711 }
 712 \let\vcenter\ltj@@vcenter %% PRIMITIVE
 713
 714 %%%% \unhbox and \unvbox
 715 \newluafunction\ltj@@lua@unboxcheckdir@inner
 716 \directlua{
 717   local t = lua.get_functions_table()
 718   t[\the\ltj@@lua@unboxcheckdir@inner]=luatexja.direction.unbox_check_dir
 719 }
 720 \luadef\ltj@@lua@unboxcheckdir\ltj@@lua@unboxcheckdir@inner
 721 \long\def \@gobbletwo #1#2{}
 722 \let\ltj@@orig@unhbox\unhbox
 723 \let\ltj@@orig@unvbox\unvbox
 724 \protected\def\ltj@@unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox@\ltj@tempcnta}
 725 \protected\def\ltj@@unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox@\ltj@tempcnta}
 726 \protected\def\ltj@@unhbox@{\ltj@@lua@unboxcheckdir\ltj@@orig@unhbox\ltj@tempcnta}
 727 \protected\def\ltj@@unvbox@{\ltj@@lua@unboxcheckdir\ltj@@orig@unvbox\ltj@tempcnta}
 728 \let\ltj@@orig@unhcopy\unhcopy
 729 \let\ltj@@orig@unvcopy\unvcopy
 730 \protected\def\ltj@@unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy@\ltj@tempcnta}
 731 \protected\def\ltj@@unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy@\ltj@tempcnta}
 732 \protected\def\ltj@@unhcopy@{%
 733   \directlua{luatexja.direction.unbox_check_dir(true)}%
 734   \ltj@@orig@unhcopy\ltj@tempcnta
 735   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 736 \protected\def\ltj@@unvcopy@{%
 737   \directlua{luatexja.direction.unbox_check_dir(true)}%
 738   \ltj@@orig@unvcopy\ltj@tempcnta
 739   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 740 \let\unhbox\ltj@@unhbox %% PRIMITIVE
 741 \let\unvbox\ltj@@unvbox %% PRIMITIVE
 742 \let\unhcopy\ltj@@unhcopy %% PRIMITIVE
 743 \let\unvcopy\ltj@@unvcopy %% PRIMITIVE
 744
 745 %%%% lastbox
 746 \let\ltj@@orig@lastbox=\lastbox
 747 \protected\def\ltj@@lastbox{\directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox}
 748 \let\lastbox\ltj@@lastbox %% PRIMITIVE
 749
 750 %%%%%%%% \ltjgetwd<box_num> etc.
 751 \def\ltj@@getwd{\directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 752 \def\ltj@@getht{\directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 753 \def\ltj@@getdp{\directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 754 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 755
 756 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 757 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 758 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 759 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 760
 761
 762 %%------------------ Load module for the format
 763
 764 \directlua{luatexja.load_kinsoku()}
 765 \ifltj@in@latex                 %<*LaTeX>
 766   \RequirePackage{ltj-latex}
 767 \else\ifltj@in@plain            %<*plain>
 768   \input ltj-plain.sty %
 769 \fi\fi                          %</LaTeX|plain>
 770
 771 \newcatcodetable\ltj@temp@cctb
 772 \def\ltj@overwrite@catcodetable#1{%
 773   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 774   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 775 }
 776 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 777 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 778 \ltj@overwrite@catcodetable\CatcodeTableExpl
 779
 780
 781 %%------------------ all done
 782 \ltj@core@AtEnd
 783 \endinput
 784 %% EOF