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}[2022-01-12 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{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<100
 101   \@PackageError{luatexja-core}
 102     {This LuaTeX engine is too old for this package;\MessageBreak
 103      at least 1.0.0 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 %%%%%%%% error message
 129 \def\ltj@defnum{0}
 130 \def\ltj@defdimen{0}
 131
 132 %%%%%%%% Attributes for Japanese typesetting.
 133 \newattribute\ltj@icflag    % attribute for italic correction
 134 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
 135 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
 136 \newattribute\ltj@charclass %
 137 \newattribute\ltj@charcode %
 138 \newattribute\ltj@autospc   % attribute for autospacing
 139 \newattribute\ltj@autoxspc  % attribute for autoxspacing
 140 \newattribute\ltj@yablshift % attribute for yalbaselineshift
 141 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
 142 \newattribute\ltj@tablshift % attribute for talbaselineshift
 143 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
 144 \newattribute\jfam          % index for current jfam
 145 \newattribute\ltj@vert@ori  % <=0: UAX#50, >0: always upright
 146
 147 \newattribute\ltj@dir
 148 \newlanguage\ltj@@japanese
 149 \ltj@dir\z@
 150 \ltj@icflag\z@
 151 \ltj@charclass\z@
 152 \ltj@curjfnt\m@ne
 153 \ltj@curtfnt\m@ne
 154 \ltj@yablshift\z@
 155 \ltj@ykblshift\z@
 156 \ltj@tablshift\z@
 157 \ltj@tkblshift\z@
 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 \newluafunction\ltj@@start@time@measure@inner
 204 \newluafunction\ltj@@stop@time@measure@inner
 205 \directlua{
 206   local t = lua.get_functions_table()
 207   local start_time_measure = luatexja.base.start_time_measure
 208   local stop_time_measure = luatexja.base.stop_time_measure
 209   local scan_arg = token.scan_argument
 210   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 211   t[\the\ltj@@start@time@measure@inner] = function()
 212     start_time_measure(scan_arg())
 213   end
 214   t[\the\ltj@@stop@time@measure@inner] = function()
 215     stop_time_measure(scan_arg())
 216   end
 217 }
 218 \begingroup\catcode`\/=11
 219 \global\let\ltj@@orig@/=\/
 220 \protected\gdef\ltj@@/{\relax\luafunction\ltj@@italic@inner}
 221 \global\let\/\ltj@@/ %% PRIMITIVE
 222 \endgroup
 223 \luadef\ltj@@start@time@measure\ltj@@start@time@measure@inner
 224 \luadef\ltj@@stop@time@measure\ltj@@stop@time@measure@inner
 225
 226 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 227 \protected\def\jfont#1{%
 228   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
 229 \protected\def\globaljfont#1{%
 230   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
 231 \newluafunction\ltj@@jfont@inner
 232 \directlua{
 233   local t = lua.get_functions_table()
 234   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 235 }
 236 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
 237
 238 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 239 \protected\def\tfont#1{%
 240   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
 241 \protected\def\globaltfont#1{%
 242   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 243
 244 %%%%%%%% \zw, \zh
 245 \newluafunction\ltj@zw@inner
 246 \newluafunction\ltj@zh@inner
 247 \directlua{
 248   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 249   t[\the\ltj@zw@inner] = function() setdimen('ltj@dimen@zw', ltjf.get_zw()) end
 250   t[\the\ltj@zh@inner] = function() setdimen('ltj@dimen@zh', ltjf.get_zh()) end
 251 }
 252 \protected\def\ltj@zw{\luafunction\ltj@zw@inner\ltj@dimen@zw}
 253 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@dimen@zh}
 254 \let\zw=\ltj@zw
 255 \let\zh=\ltj@zh
 256
 257 %%%%%%%% \inhibitglue
 258 \newluafunction\ltj@reset@globaldefs@inner
 259 \newluafunction\ltj@restore@globaldefs@inner
 260 \newluafunction\ltj@@disihb@inner
 261 \newluafunction\ltj@@ihb@inner
 262 \newluafunction\ltj@@fakeparbegin@inner
 263 \newluafunction\ltj@@fakeboxbdd@inner
 264 \newluafunction\ltj@@ins@xk@inner
 265 \newluafunction\ltj@@ins@k@inner
 266 \directlua{
 267   local t = lua.get_functions_table()
 268   t[\the\ltj@reset@globaldefs@inner]
 269      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 270   t[\the\ltj@restore@globaldefs@inner]
 271      = function() tex.globaldefs = luatexja.global_temp end
 272   t[\the\ltj@@disihb@inner] = luatexja.jfmglue.create_disinhibitglue_node
 273   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
 274   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
 275   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
 276   t[\the\ltj@@ins@xk@inner] = luatexja.jfmglue.insert_xk_skip
 277   t[\the\ltj@@ins@k@inner] = luatexja.jfmglue.insert_k_skip
 278 }
 279 \protected\luadef\ltj@reset@globaldefs  \ltj@reset@globaldefs@inner
 280 \protected\luadef\ltj@restore@globaldefs\ltj@restore@globaldefs@inner
 281 \protected\def\disinhibitglue{\ifhmode\relax\luafunction\ltj@@disihb@inner\fi}
 282 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 283 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 284 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 285 \protected\luadef\insertxkanjiskip \ltj@@ins@xk@inner
 286 \protected\luadef\insertkanjiskip  \ltj@@ins@k@inner
 287
 288
 289 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 290 \protected\def\ltjdefcharrange#1#2{%
 291   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 292 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 293   \ifx\ltj@temp\empty\let\@next=\relax\else
 294   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 295 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 296 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 297   \ifx\ltj@temp\empty
 298     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 299   \else
 300     \def\ltj@temp{#1}%
 301     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 302     \def\ltj@temp{#2}%
 303     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 304   \fi
 305   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 306     \the\ltj@tempcntc)}%
 307   }
 308
 309 %%%%%%%% \ltjsetparameter
 310 \newcount\ltj@@stack \newcount\ltj@@group@level
 311 \ltj@@group@level\z@\ltj@@stack\z@
 312
 313 \setbox\z@\hbox{%
 314   \directlua{% This value depends on the version of LuaTeX.
 315     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
 316   }%
 317 }
 318 \setbox\z@\vbox{%
 319   \directlua{% This value depends on the version of LuaTeX.
 320     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
 321   }%
 322 }
 323 \setbox\z@\box\voidb@x
 324
 325 % prebreakpenalty = {<char_code>, <penalty>}
 326 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 327 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 328 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 329 \def\ltj@@set@stack#1#2#3{%
 330   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 331 %\def\ltj@@set@stack#1,#2:#3#4#5{%
 332 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
 333 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 334
 335 % jatextfont = {<char_code>, <font_cs>}
 336 % only horizontal font is supported
 337 \define@key[ltj]{japaram}{jatextfont}{%
 338   \expandafter\ltj@@set@stackfont#1:{MJT}}
 339 \define@key[ltj]{japaram}{jascriptfont}{%
 340   \expandafter\ltj@@set@stackfont#1:{MJS}}
 341 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 342   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 343 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 344   \ltj@reset@globaldefs
 345   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 346   \ifnum\ltj@curjfnt=\m@ne
 347     \@PackageError{luatexja-core}%
 348     {\string#2 is not a control sequence that represents \MessageBreak
 349      a Japanese font}{}%
 350   \else
 351     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 352     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 353   \fi
 354   \ltj@curjfnt=\ltj@tempcnta
 355   \ltj@restore@globaldefs
 356   }
 357
 358 % {y,t}{ja,al}baselineshift = <dimen>
 359 % yjabaselineshift = <dimen>
 360 \define@key[ltj]{japaram}{yalbaselineshift}{%
 361   \directlua{tex.setattribute(luatexja.isglobal,
 362     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
 363 \define@key[ltj]{japaram}{yjabaselineshift}{%
 364   \directlua{tex.setattribute(luatexja.isglobal,
 365     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
 366 \define@key[ltj]{japaram}{talbaselineshift}{%
 367   \directlua{tex.setattribute(luatexja.isglobal,
 368     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
 369 \define@key[ltj]{japaram}{tjabaselineshift}{%
 370   \directlua{tex.setattribute(luatexja.isglobal,
 371     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
 372
 373 % jaxspmode = {<char_code>, <mode>}
 374 % mode: inhibit, preonly, postonly, allow
 375 %    or       0        1         2      3
 376 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 377   \expandafter\ltj@set@jaxspmode#1:\relax}
 378 \def\ltj@set@jaxspmode#1,#2:{%
 379   \lowercase{\edef\ltj@temp{#2}}%
 380   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 381   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 382   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 383   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 384   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 385
 386 % alxspmode = {<char_code>, <mode>}
 387 % mode: inhibit, preonly, postonly, allow
 388 %    or       0        1         2      3
 389 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 390   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 391
 392 % autospacing = <bool> (default: true)
 393 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 394   \ifltj@japaram@autospacing
 395     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
 396   \else
 397     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 398   \fi}
 399
 400 % autoxspacing = <bool> (default: true)
 401 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 402   \ifltj@japaram@autoxspacing
 403     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
 404   \else
 405     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 406   \fi}
 407
 408 % [x]]kanjiskip = <skip>
 409 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 410 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 411 \newluafunction\ltjsetkanjiskip@inner
 412 \newluafunction\ltjsetxkanjiskip@inner
 413 \directlua{
 414   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 415   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 416   t[\the\ltjsetkanjiskip@inner] = function()
 417     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 418   end
 419   t[\the\ltjsetxkanjiskip@inner] = function()
 420     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 421   end
 422 }
 423 \protected\luadef\ltjsetkanjiskip \ltjsetkanjiskip@inner
 424 \protected\luadef\ltjsetxkanjiskip\ltjsetxkanjiskip@inner
 425
 426 % jcharwidowpenalty = <count>
 427 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 428   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 429
 430 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 431 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 432   {large,small,average,pleft,pright,paverage,both}{%
 433   \ifcase\ltj@tempr
 434     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 435     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 436     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 437     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 438     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 439     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 440     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 441   \fi
 442 }{\@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 443   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 444   `pleft', `pright', 'paverage' or `both'. }}
 445   % large, small, average, pleft, pright, paverage, both
 446
 447
 448 % jacharrange = { +-<range_number> }
 449 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 450 \def\ltj@@scrange#1,{%
 451   \edef\ltj@temp{#1}%
 452   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 453     \directlua{luatexja.charrange.toggle_char_range(%
 454       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 455   \fi\ltj@@next
 456 }
 457
 458 \protected\def\ltj@setpar@global{%
 459   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 460     \else\directlua{luatexja.isglobal=''}\fi
 461 }
 462 \protected\def\ltjsetparameter#1{%
 463   \ltj@@start@time@measure{set_par}%
 464   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 465   \ltj@@stop@time@measure{set_par}%
 466   \ignorespaces}
 467 \protected\def\ltjglobalsetparameter#1{%
 468   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 469     \else\directlua{luatexja.isglobal='global'}\fi%
 470   \ltj@@start@time@measure{set_par}%
 471   \setkeys[ltj]{japaram}{#1}%
 472   \ltj@@stop@time@measure{set_par}%
 473   \ignorespaces}
 474
 475 %%%%%%%% \ltjgetparameter
 476 \def\ltj@@decl@array@param#1{%
 477   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 478 }
 479 \ltj@@decl@array@param{prebreakpenalty}
 480 \ltj@@decl@array@param{postbreakpenalty}
 481 \ltj@@decl@array@param{jaxspmode}
 482 \ltj@@decl@array@param{alxspmode}
 483 \ltj@@decl@array@param{kcatcode}
 484 \ltj@@decl@array@param{jacharrange}
 485 \ltj@@decl@array@param{chartorange}
 486 \ltj@@decl@array@param{boxdir}
 487 \def\ltjgetparameter#1{%
 488   \ltj@@start@time@measure{get_par}%
 489   % stop call is moved in luatexja.lua
 490   \ifcsname ltj@@array@param/#1\endcsname
 491     \expandafter\ltx@firstoftwo
 492   \else
 493     \expandafter\ltx@secondoftwo
 494   \fi
 495   {\ltj@@getparam@two{#1}}%
 496   {\ltj@@getparam@one{#1}}%
 497 }
 498 \newluafunction\ltj@@getparam@one@inner
 499 \directlua{
 500   local t = lua.get_functions_table()
 501   t[\the\ltj@@getparam@one@inner] = luatexja.ext_get_parameter_unary
 502 }
 503 \luadef\ltj@@getparam@one\ltj@@getparam@one@inner
 504 \def\ltj@@getparam@two#1#2{%
 505   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 506 }
 507
 508 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 509 \let\ltj@@origchar=\char
 510 \newluafunction\ltj@alljachar@inner
 511 \directlua{
 512   local t, set_attr = lua.get_functions_table(), tex.setattribute
 513   local get_attr, floor = tex.getattribute, math.floor
 514   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 515   local lang_ja = luatexja.lang_ja
 516   t[\the\ltj@alljachar@inner] = function()
 517     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
 518     for i=0,6 do
 519       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)],0)
 520     end
 521   end
 522 }
 523 \protected\luadef\ltj@alljachar\ltj@alljachar@inner
 524 \protected\def\ltj@allalchar{\relax
 525     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 526     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 527     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 528     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 529     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 530     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 531     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 532
 533 \protected\def\ltjjachar{\leavevmode\afterassignment\ltj@@jachar\ltj@tempcnta}
 534 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 535 \protected\def\ltjalchar{\leavevmode\afterassignment\ltj@@alchar\ltj@tempcnta}
 536 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 537
 538 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 539 \protected\def\ltjsetmathletter#1{%
 540   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 541 }
 542 \protected\def\ltjunsetmathletter#1{%
 543   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 544 }
 545
 546 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 547 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 548 % いつも global
 549 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 550   \ltj@reset@globaldefs
 551   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 552   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 553   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 554   \ifnum\ltj@tempcntc=\m@ne
 555     \@PackageError{luatexja-core}%
 556     {\string#1 is not a control sequence that represents \MessageBreak
 557      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 558     \ltj@tempcntc=\ltj@curjfnt
 559   \fi\ltj@restore@globaldefs}
 560
 561 \protected\def\ltjdeclarealtfont#1#2#3{%
 562   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 563    \ltj@@getjfontnumber#2%
 564    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 565 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 566   \ifx\ltj@temp\empty\let\@next=\relax\else
 567   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 568 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 569 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 570   \ifx\ltj@temp\empty
 571     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 572   \else
 573     \def\ltj@temp{#1}%
 574     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 575     \def\ltj@temp{#2}%
 576     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 577   \fi
 578   \directlua{luatexja.jfont.set_alt_font(
 579     \the\ltj@tempcnta,\the\ltj@tempcntb,
 580     \the\ltj@tempcntc, \the\@tempcnta)}%
 581   }
 582
 583 %%%%%%%% \ltjclearaltfont<font_cs>
 584 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 585 \protected\def\ltjclearaltfont#1{%
 586   {\ltj@@getjfontnumber#1%
 587    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 588
 589
 590 %%%%%%%% \yoko, \tate,\dtou
 591 \protected\def\tate{%
 592   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 593 }
 594 \protected\def\yoko{%
 595   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 596 }
 597 \protected\def\dtou{%
 598   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 599 }
 600 \protected\def\utod{% 「縦数式ディレクション」
 601   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 602 }
 603 \define@key[ltj]{japaram}{direction}{%% always local
 604   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 605 }
 606
 607 \yoko
 608
 609 %%%% insert
 610 \let\ltj@@orig@insert\insert
 611 \newluafunction\ltj@@lua@populate@insertwhatsit@inner
 612 \directlua{
 613   local t = lua.get_functions_table()
 614   t[\the\ltj@@lua@populate@insertwhatsit@inner]
 615     = luatexja.direction.populate_insertion_dir_whatsit
 616 }
 617 \luadef\ltj@@lua@populate@insertwhatsit\ltj@@lua@populate@insertwhatsit@inner
 618 \protected\def\ltj@@insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 619 \let\insert\ltj@@insert %% PRIMITIVE
 620 \protected\def\ltj@@insert@A{\ltj@@orig@insert\ltj@tempcnta\bgroup
 621   \aftergroup\ltj@@insert@B\let\ltj@@next}
 622 \protected\def\ltj@@insert@B{\ltj@@lua@populate@insertwhatsit\endgroup}
 623
 624 %%%% vadjust
 625 \let\ltj@@orig@vadjust\vadjust
 626 \newluafunction\ltj@@vadjust@begin@inner
 627 \newluafunction\ltj@@vadjust@dirhook@inner
 628 \newluafunction\ltj@@vadjust@check@dir@inner
 629 \directlua{
 630   local t = lua.get_functions_table()
 631   t[\the\ltj@@vadjust@begin@inner] = luatexja.direction.adjust_begin
 632   t[\the\ltj@@vadjust@dirhook@inner]
 633     = function () luatexja.direction.set_list_direction_hook('adj') end
 634   t[\the\ltj@@vadjust@check@dir@inner] = luatexja.direction.check_adjust_direction
 635 }
 636 \protected\luadef\ltj@@vadjust\ltj@@vadjust@begin@inner
 637 \luadef\ltj@@vadjust@dirhook\ltj@@vadjust@dirhook@inner
 638 \protected\luadef\ltj@@vadjust@check@dir\ltj@@vadjust@check@dir@inner
 639 \def\ltj@@vadjust@pre{\ltj@@orig@vadjust pre\bgroup\ltj@@vadjust@dirhook
 640   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 641 \def\ltj@@vadjust@post{\ltj@@orig@vadjust\bgroup\ltj@@vadjust@dirhook
 642   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 643 \let\vadjust\ltj@@vadjust %% PRIMITIVE
 644
 645 %%%% \hbox, \vbox, \vtop
 646 \setbox\z@\hbox{%
 647   \primitive\everymath{}%
 648   $\directlua{% This value depends on the version of LuaTeX.
 649      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
 650   }$%
 651 }
 652 \setbox\z@\box\voidb@x
 653 \newluafunction\ltj@@box@dirhook@inner
 654 \newluafunction\ltj@@reset@badness@inner
 655 \directlua{
 656   local t, ltjd = lua.get_functions_table(), luatexja.direction
 657   t[\the\ltj@@box@dirhook@inner]
 658     = function() ltjd.set_list_direction_hook() end
 659   t[\the\ltj@@reset@badness@inner] = function()
 660     if luatexja.global_temp then
 661       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 662       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 663       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 664     end
 665   end
 666 }
 667 \luadef\ltj@@box@dirhook\ltj@@box@dirhook@inner
 668 \ifltj@everyhook@avail% using everyhook package
 669   \PushPreHook{hbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 670   \PushPreHook{vbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 671 \else
 672   \let\ltj@@everyhbox\everyhbox\let\ltj@@everyvbox\everyvbox
 673   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 674   \let\everyhbox\ltj@@i@everyhbox\let\everyvbox\ltj@@i@everyvbox
 675   \ltj@@everyhbox{\ltj@@box@dirhook
 676     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 677   \ltj@@everyvbox{\ltj@@box@dirhook
 678     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 679 \fi
 680
 681 \luadef\ltj@@reset@badness\ltj@@reset@badness@inner
 682
 683 %%%% \raise, \lower, \moveleft, \moveright
 684 \newluafunction\ltj@@lua@raisebox@inner
 685 \directlua{
 686   local t = lua.get_functions_table()
 687   t[\the\ltj@@lua@raisebox@inner]=luatexja.direction.raise_box
 688 }
 689 \protected\luadef\ltj@@lua@raisebox\ltj@@lua@raisebox@inner
 690 \let\ltj@@orig@raise\raise
 691 \let\ltj@@orig@lower\lower
 692 \protected\def\ltj@@raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima}
 693 \protected\def\ltj@@lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima-}
 694 \protected\def\ltj@@raise@{%
 695   \ltj@restore@globaldefs
 696   \edef\ltj@@raise@a{%
 697     \ltj@@lua@raisebox\ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 698   }\ltj@afterbox\ltj@@raise@a}
 699 \let\ltj@@orig@moveleft\moveleft
 700 \let\ltj@@orig@moveright\moveright
 701 \protected\def\ltj@@moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima}
 702 \protected\def\ltj@@moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima-}
 703 \protected\def\ltj@@moveleft@{%
 704   \ltj@restore@globaldefs
 705   \edef\ltj@@moveleft@a{%
 706     \ltj@@lua@raisebox\ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 707   }\ltj@afterbox\ltj@@moveleft@a}
 708 \let\raise\ltj@@raise %% PRIMITIVE
 709 \let\lower\ltj@@lower %% PRIMITIVE
 710 \let\moveleft\ltj@@moveleft %% PRIMITIVE
 711 \let\moveright\ltj@@moveright %% PRIMITIVE
 712
 713 %%%%\vsplit
 714 \let\ltj@@orig@vsplit\vsplit
 715 \protected\def\ltj@@vsplit{\directlua{luatexja.direction.vsplit()}}
 716 \let\vsplit\ltj@@vsplit %% PRIMITIVE
 717
 718 %%%% \vcenter
 719 \let\ltj@@orig@vcenter\vcenter
 720 \protected\def\ltj@@vcenter{\ltj@afterbox\ltj@@vcenter@\vbox}
 721 \protected\def\ltj@@vcenter@{%
 722   \ltj@@lua@raisebox\ltj@@orig@vcenter{\box\ltj@afbox}%
 723 }
 724 \let\vcenter\ltj@@vcenter %% PRIMITIVE
 725
 726 %%%% \unhbox and \unvbox
 727 \newluafunction\ltj@@lua@unboxcheckdir@inner
 728 \directlua{
 729   local t = lua.get_functions_table()
 730   t[\the\ltj@@lua@unboxcheckdir@inner]=luatexja.direction.unbox_check_dir
 731 }
 732 \luadef\ltj@@lua@unboxcheckdir\ltj@@lua@unboxcheckdir@inner
 733 \long\def \@gobbletwo #1#2{}
 734 \let\ltj@@orig@unhbox\unhbox
 735 \let\ltj@@orig@unvbox\unvbox
 736 \protected\def\ltj@@unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox@\ltj@tempcnta}
 737 \protected\def\ltj@@unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox@\ltj@tempcnta}
 738 \protected\def\ltj@@unhbox@{\ltj@@lua@unboxcheckdir\ltj@@orig@unhbox\ltj@tempcnta}
 739 \protected\def\ltj@@unvbox@{\ltj@@lua@unboxcheckdir\ltj@@orig@unvbox\ltj@tempcnta}
 740 \let\ltj@@orig@unhcopy\unhcopy
 741 \let\ltj@@orig@unvcopy\unvcopy
 742 \protected\def\ltj@@unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy@\ltj@tempcnta}
 743 \protected\def\ltj@@unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy@\ltj@tempcnta}
 744 \protected\def\ltj@@unhcopy@{%
 745   \directlua{luatexja.direction.unbox_check_dir(true)}%
 746   \ltj@@orig@unhcopy\ltj@tempcnta
 747   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 748 \protected\def\ltj@@unvcopy@{%
 749   \directlua{luatexja.direction.unbox_check_dir(true)}%
 750   \ltj@@orig@unvcopy\ltj@tempcnta
 751   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 752 \let\unhbox\ltj@@unhbox %% PRIMITIVE
 753 \let\unvbox\ltj@@unvbox %% PRIMITIVE
 754 \let\unhcopy\ltj@@unhcopy %% PRIMITIVE
 755 \let\unvcopy\ltj@@unvcopy %% PRIMITIVE
 756
 757 %%%% lastbox
 758 \let\ltj@@orig@lastbox=\lastbox
 759 \protected\def\ltj@@lastbox{\directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox}
 760 \let\lastbox\ltj@@lastbox %% PRIMITIVE
 761
 762 %%%%%%%% \ltjgetwd<box_num> etc.
 763 \def\ltj@@getwd{\directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 764 \def\ltj@@getht{\directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 765 \def\ltj@@getdp{\directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 766 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 767
 768 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 769 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 770 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 771 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 772
 773
 774 %%------------------ Load module for the format
 775
 776 \directlua{luatexja.load_kinsoku()}
 777 \ifltj@in@latex                 %<*LaTeX>
 778   \RequirePackage{ltj-latex}
 779 \else\ifltj@in@plain            %<*plain>
 780   \input ltj-plain.sty %
 781 \fi\fi                          %</LaTeX|plain>
 782
 783 \newcatcodetable\ltj@temp@cctb
 784 \def\ltj@overwrite@catcodetable#1{%
 785   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 786   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 787 }
 788 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 789 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 790 \ltj@overwrite@catcodetable\CatcodeTableExpl
 791
 792
 793 %%------------------ all done
 794 \ltj@core@AtEnd
 795 \endinput
 796 %% EOF