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}[2020-09-27 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
 155 %%%%%%%% Attributes for character ranges
 156 \newcount\ltj@tempcnta
 157 \ltj@tempcnta\z@
 158 \loop\ifnum\ltj@tempcnta<7
 159   \expandafter\newattribute%
 160     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 161   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
 162   \advance\ltj@tempcnta\@ne
 163 \repeat
 164
 165
 166 %%%%%%%% Loading luatexja.lua
 167 %% Quark tokens needed in ltj-base
 168 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 169 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 170
 171 \directlua{%
 172   luatexja = {};
 173   luatexja.lang_ja = \the\ltj@@japanese;
 174   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
 175       "File `luatexja.lua' not found"))
 176 }
 177
 178 %% \RequireLuaTeXjaSubmodule{name}[date]
 179 % A TeX version of luatexja.load_module(name)
 180 % The second optional argument [date] is simply ignored.
 181 \def\RequireLuaTeXjaSubmodule#1{%
 182   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 183 \def\ltj@requirelua@submod#1[#2]{%
 184   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 185
 186
 187 %%%%%%%% Load all sub-packages.
 188 \ifltj@in@latex                 %<*LaTeX>
 189   \RequirePackage{ltj-base}
 190 \else                           %<*!LaTeX>
 191   \input ltj-base.sty %
 192 \fi                             %</LaTeX>
 193
 194 %%%%%%%% \asluastring
 195 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 196
 197 %%%%%%%% Redefine \/
 198 \newluafunction\ltj@@italic@inner
 199 \newluafunction\ltj@@start@time@measure@inner
 200 \newluafunction\ltj@@stop@time@measure@inner
 201 \directlua{
 202   local t = lua.get_functions_table()
 203   local start_time_measure = luatexja.base.start_time_measure
 204   local stop_time_measure = luatexja.base.stop_time_measure
 205   local scan_arg = token.scan_argument
 206   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 207   t[\the\ltj@@start@time@measure@inner] = function()
 208     start_time_measure(scan_arg())
 209   end
 210   t[\the\ltj@@stop@time@measure@inner] = function()
 211     stop_time_measure(scan_arg())
 212   end
 213 }
 214 \protected\def\/{\relax\luafunction\ltj@@italic@inner}
 215 \luadef\ltj@@start@time@measure\ltj@@start@time@measure@inner
 216 \luadef\ltj@@stop@time@measure\ltj@@stop@time@measure@inner
 217
 218 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 219 \protected\def\jfont#1{%
 220   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
 221 \protected\def\globaljfont#1{%
 222   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
 223 \newluafunction\ltj@@jfont@inner
 224 \directlua{
 225   local t = lua.get_functions_table()
 226   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 227 }
 228 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
 229
 230 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 231 \protected\def\tfont#1{%
 232   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
 233 \protected\def\globaltfont#1{%
 234   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 235
 236 %%%%%%%% \zw, \zh
 237 \newluafunction\ltj@zw@inner
 238 \newluafunction\ltj@zh@inner
 239 \directlua{
 240   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 241   t[\the\ltj@zw@inner] = function() setdimen('ltj@dimen@zw', ltjf.get_zw()) end
 242   t[\the\ltj@zh@inner] = function() setdimen('ltj@dimen@zh', ltjf.get_zh()) end
 243 }
 244 \protected\def\ltj@zw{\luafunction\ltj@zw@inner\ltj@dimen@zw}
 245 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@dimen@zh}
 246 \let\zw=\ltj@zw
 247 \let\zh=\ltj@zh
 248
 249 %%%%%%%% \inhibitglue
 250 \newluafunction\ltj@reset@globaldefs@inner
 251 \newluafunction\ltj@restore@globaldefs@inner
 252 \newluafunction\ltj@@ihb@inner
 253 \newluafunction\ltj@@fakeparbegin@inner
 254 \newluafunction\ltj@@fakeboxbdd@inner
 255 \directlua{
 256   local t = lua.get_functions_table()
 257   t[\the\ltj@reset@globaldefs@inner]
 258      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 259   t[\the\ltj@restore@globaldefs@inner]
 260      = function() tex.globaldefs = luatexja.global_temp end
 261   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
 262   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
 263   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
 264 }
 265 \protected\luadef\ltj@reset@globaldefs  \ltj@reset@globaldefs@inner
 266 \protected\luadef\ltj@restore@globaldefs\ltj@restore@globaldefs@inner
 267 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 268 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 269 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 270
 271
 272 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 273 \protected\def\ltjdefcharrange#1#2{%
 274   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 275 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 276   \ifx\ltj@temp\empty\let\@next=\relax\else
 277   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 278 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 279 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 280   \ifx\ltj@temp\empty
 281     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 282   \else
 283     \def\ltj@temp{#1}%
 284     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 285     \def\ltj@temp{#2}%
 286     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 287   \fi
 288   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 289     \the\ltj@tempcntc)}%
 290   }
 291
 292 %%%%%%%% \ltjsetparameter
 293 \newcount\ltj@@stack \newcount\ltj@@group@level
 294 \ltj@@group@level\z@\ltj@@stack\z@
 295
 296 \setbox\z@\hbox{%
 297   \directlua{% This value depends on the version of LuaTeX.
 298     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
 299   }%
 300 }
 301 \setbox\z@\vbox{%
 302   \directlua{% This value depends on the version of LuaTeX.
 303     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
 304   }%
 305 }
 306 \setbox\z@\box\voidb@x
 307
 308 % prebreakpenalty = {<char_code>, <penalty>}
 309 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 310 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 311 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 312 \def\ltj@@set@stack#1#2#3{%
 313   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 314 %\def\ltj@@set@stack#1,#2:#3#4#5{%
 315 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
 316 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 317
 318 % jatextfont = {<char_code>, <font_cs>}
 319 % only horizontal font is supported
 320 \define@key[ltj]{japaram}{jatextfont}{%
 321   \expandafter\ltj@@set@stackfont#1:{MJT}}
 322 \define@key[ltj]{japaram}{jascriptfont}{%
 323   \expandafter\ltj@@set@stackfont#1:{MJS}}
 324 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 325   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 326 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 327   \ltj@reset@globaldefs
 328   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 329   \ifnum\ltj@curjfnt=\m@ne
 330     \@PackageError{luatexja-core}%
 331     {\string#2 is not a control sequence that represents \MessageBreak
 332      a Japanese font}{}%
 333   \else
 334     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 335     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 336   \fi
 337   \ltj@curjfnt=\ltj@tempcnta
 338   \ltj@restore@globaldefs
 339   }
 340
 341 % {y,t}{ja,al}baselineshift = <dimen>
 342 % yjabaselineshift = <dimen>
 343 \define@key[ltj]{japaram}{yalbaselineshift}{%
 344   \directlua{tex.setattribute(luatexja.isglobal,
 345     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
 346 \define@key[ltj]{japaram}{yjabaselineshift}{%
 347   \directlua{tex.setattribute(luatexja.isglobal,
 348     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
 349 \define@key[ltj]{japaram}{talbaselineshift}{%
 350   \directlua{tex.setattribute(luatexja.isglobal,
 351     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
 352 \define@key[ltj]{japaram}{tjabaselineshift}{%
 353   \directlua{tex.setattribute(luatexja.isglobal,
 354     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
 355
 356 % jaxspmode = {<char_code>, <mode>}
 357 % mode: inhibit, preonly, postonly, allow
 358 %    or       0        1         2      3
 359 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 360   \expandafter\ltj@set@jaxspmode#1:\relax}
 361 \def\ltj@set@jaxspmode#1,#2:{%
 362   \lowercase{\edef\ltj@temp{#2}}%
 363   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 364   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 365   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 366   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 367   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 368
 369 % alxspmode = {<char_code>, <mode>}
 370 % mode: inhibit, preonly, postonly, allow
 371 %    or       0        1         2      3
 372 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 373   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 374
 375 % autospacing = <bool> (default: true)
 376 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 377   \ifltj@japaram@autospacing
 378     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
 379   \else
 380     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 381   \fi}
 382
 383 % autoxspacing = <bool> (default: true)
 384 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 385   \ifltj@japaram@autoxspacing
 386     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
 387   \else
 388     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 389   \fi}
 390
 391 % [x]]kanjiskip = <skip>
 392 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 393 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 394 \newluafunction\ltjsetkanjiskip@inner
 395 \newluafunction\ltjsetxkanjiskip@inner
 396 \directlua{
 397   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 398   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 399   t[\the\ltjsetkanjiskip@inner] = function()
 400     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 401   end
 402   t[\the\ltjsetxkanjiskip@inner] = function()
 403     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 404   end
 405 }
 406 \protected\luadef\ltjsetkanjiskip \ltjsetkanjiskip@inner
 407 \protected\luadef\ltjsetxkanjiskip\ltjsetxkanjiskip@inner
 408
 409 % jcharwidowpenalty = <count>
 410 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 411   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 412
 413 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 414 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 415   {large,small,average,pleft,pright,paverage,both}{%
 416   \ifcase\ltj@tempr
 417     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 418     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 419     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 420     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 421     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 422     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 423     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 424   \fi
 425 }{\@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 426   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 427   `pleft', `pright', 'paverage' or `both'. }}
 428   % large, small, average, pleft, pright, paverage, both
 429
 430
 431 % jacharrange = { +-<range_number> }
 432 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 433 \def\ltj@@scrange#1,{%
 434   \edef\ltj@temp{#1}%
 435   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 436     \directlua{luatexja.charrange.toggle_char_range(%
 437       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 438   \fi\ltj@@next
 439 }
 440
 441 \protected\def\ltj@setpar@global{%
 442   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 443     \else\directlua{luatexja.isglobal=''}\fi
 444 }
 445 \protected\def\ltjsetparameter#1{%
 446   \ltj@@start@time@measure{set_par}%
 447   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 448   \ltj@@stop@time@measure{set_par}%
 449   \ignorespaces}
 450 \protected\def\ltjglobalsetparameter#1{%
 451   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 452     \else\directlua{luatexja.isglobal='global'}\fi%
 453   \ltj@@start@time@measure{set_par}%
 454   \setkeys[ltj]{japaram}{#1}%
 455   \ltj@@stop@time@measure{set_par}%
 456   \ignorespaces}
 457
 458 %%%%%%%% \ltjgetparameter
 459 \def\ltj@@decl@array@param#1{%
 460   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 461 }
 462 \ltj@@decl@array@param{prebreakpenalty}
 463 \ltj@@decl@array@param{postbreakpenalty}
 464 \ltj@@decl@array@param{jaxspmode}
 465 \ltj@@decl@array@param{alxspmode}
 466 \ltj@@decl@array@param{kcatcode}
 467 \ltj@@decl@array@param{jacharrange}
 468 \ltj@@decl@array@param{chartorange}
 469 \ltj@@decl@array@param{boxdir}
 470 \def\ltjgetparameter#1{%
 471   \ltj@@start@time@measure{get_par}%
 472   % stop call is moved in luatexja.lua
 473   \ifcsname ltj@@array@param/#1\endcsname
 474     \expandafter\ltx@firstoftwo
 475   \else
 476     \expandafter\ltx@secondoftwo
 477   \fi
 478   {\ltj@@getparam@two{#1}}%
 479   {\ltj@@getparam@one{#1}}%
 480 }
 481 \newluafunction\ltj@@getparam@one@inner
 482 \directlua{
 483   local t = lua.get_functions_table()
 484   t[\the\ltj@@getparam@one@inner] = luatexja.ext_get_parameter_unary
 485 }
 486 \luadef\ltj@@getparam@one\ltj@@getparam@one@inner
 487 \def\ltj@@getparam@two#1#2{%
 488   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 489 }
 490
 491 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 492 \let\ltj@@origchar=\char
 493 \newluafunction\ltj@alljachar@inner
 494 \directlua{
 495   local t, set_attr = lua.get_functions_table(), tex.setattribute
 496   local get_attr, floor = tex.getattribute, math.floor
 497   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 498   local lang_ja = luatexja.lang_ja
 499   t[\the\ltj@alljachar@inner] = function()
 500     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
 501     for i=0,6 do
 502       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)],0)
 503     end
 504   end
 505 }
 506 \protected\luadef\ltj@alljachar\ltj@alljachar@inner
 507 \protected\def\ltj@allalchar{\relax
 508     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 509     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 510     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 511     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 512     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 513     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 514     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 515
 516 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
 517 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 518 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
 519 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 520
 521 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 522 \protected\def\ltjsetmathletter#1{%
 523   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 524 }
 525 \protected\def\ltjunsetmathletter#1{%
 526   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 527 }
 528
 529 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 530 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 531 % いつも global
 532 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 533   \ltj@reset@globaldefs
 534   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 535   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 536   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 537   \ifnum\ltj@tempcntc=\m@ne
 538     \@PackageError{luatexja-core}%
 539     {\string#1 is not a control sequence that represents \MessageBreak
 540      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 541     \ltj@tempcntc=\ltj@curjfnt
 542   \fi\ltj@restore@globaldefs}
 543
 544 \protected\def\ltjdeclarealtfont#1#2#3{%
 545   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 546    \ltj@@getjfontnumber#2%
 547    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 548 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 549   \ifx\ltj@temp\empty\let\@next=\relax\else
 550   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 551 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 552 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 553   \ifx\ltj@temp\empty
 554     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 555   \else
 556     \def\ltj@temp{#1}%
 557     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 558     \def\ltj@temp{#2}%
 559     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 560   \fi
 561   \directlua{luatexja.jfont.set_alt_font(
 562     \the\ltj@tempcnta,\the\ltj@tempcntb,
 563     \the\ltj@tempcntc, \the\@tempcnta)}%
 564   }
 565
 566 %%%%%%%% \ltjclearaltfont<font_cs>
 567 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 568 \protected\def\ltjclearaltfont#1{%
 569   {\ltj@@getjfontnumber#1%
 570    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 571
 572
 573 %%%%%%%% \yoko, \tate,\dtou
 574 \protected\def\tate{%
 575   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 576 }
 577 \protected\def\yoko{%
 578   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 579 }
 580 \protected\def\dtou{%
 581   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 582 }
 583 \protected\def\utod{% 「縦数式ディレクション」
 584   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 585 }
 586 \define@key[ltj]{japaram}{direction}{%% always local
 587   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 588 }
 589
 590 \yoko
 591
 592 %%%% insert
 593 \let\orig@insert=\insert
 594 \newluafunction\ltj@@lua@populate@insertwhatsit@inner
 595 \directlua{
 596   local t = lua.get_functions_table()
 597   t[\the\ltj@@lua@populate@insertwhatsit@inner]
 598     = luatexja.direction.populate_insertion_dir_whatsit
 599 }
 600 \luadef\ltj@@lua@populate@insertwhatsit\ltj@@lua@populate@insertwhatsit@inner
 601 \protected\def\insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 602 \protected\def\ltj@@insert@A{\orig@insert\ltj@tempcnta\bgroup
 603   \aftergroup\ltj@@insert@B\let\ltj@@next}
 604 \protected\def\ltj@@insert@B{\ltj@@lua@populate@insertwhatsit\endgroup}
 605
 606 %%%% vadjust
 607 \let\ltj@@orig@vadjust=\vadjust
 608 \protected\def\vadjust{%
 609   \ltj@@orig@vadjust\bgroup
 610   \directlua{luatexja.direction.set_list_direction_hook('adj')}%
 611   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 612 \protected\def\ltj@@vadjust@check@dir{%
 613   \directlua{luatexja.direction.check_adjust_direction()}%
 614 }
 615
 616 %%%% \hbox, \vbox, \vtop
 617 \setbox\z@\hbox{%
 618   \primitive\everymath{}%
 619   $\directlua{% This value depends on the version of LuaTeX.
 620      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
 621   }$%
 622 }
 623 \setbox\z@\box\voidb@x
 624 \newluafunction\ltj@@box@dirhook@inner
 625 \newluafunction\ltj@@reset@badness@inner
 626 \directlua{
 627   local t, ltjd = lua.get_functions_table(), luatexja.direction
 628   t[\the\ltj@@box@dirhook@inner]
 629     = function() ltjd.set_list_direction_hook() end
 630   t[\the\ltj@@reset@badness@inner] = function()
 631     if luatexja.global_temp then
 632       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 633       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 634       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 635     end
 636   end
 637 }
 638 \luadef\ltj@@box@dirhook\ltj@@box@dirhook@inner
 639 \ifltj@everyhook@avail% using everyhook package
 640   \PushPreHook{hbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 641   \PushPreHook{vbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 642 \else
 643   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
 644   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 645   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
 646   \ltj@@everyhbox{\ltj@@box@dirhook
 647     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 648   \ltj@@everyvbox{\ltj@@box@dirhook
 649     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 650 \fi
 651
 652 \luadef\ltj@@reset@badness\ltj@@reset@badness@inner
 653
 654 %%%% \raise, \lower, \moveleft, \moveright
 655 \newluafunction\ltj@@lua@raisebox@inner
 656 \directlua{
 657   local t = lua.get_functions_table()
 658   t[\the\ltj@@lua@raisebox@inner]=luatexja.direction.raise_box
 659 }
 660 \protected\luadef\ltj@@lua@raisebox\ltj@@lua@raisebox@inner
 661 \let\ltj@@orig@raise=\raise
 662 \let\ltj@@orig@lower=\lower
 663 \protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
 664 \protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
 665 \protected\def\ltj@@raise{%
 666   \ltj@restore@globaldefs
 667   \edef\ltj@@raise@a{%
 668     \ltj@@lua@raisebox\ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 669   }\ltj@afterbox\ltj@@raise@a}
 670 \let\ltj@@orig@moveleft=\moveleft
 671 \let\ltj@@orig@moveright=\moveright
 672 \protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
 673 \protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
 674 \protected\def\ltj@@moveleft{%
 675   \ltj@restore@globaldefs
 676   \edef\ltj@@moveleft@a{%
 677     \ltj@@lua@raisebox\ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 678   }\ltj@afterbox\ltj@@moveleft@a}
 679
 680 %%%%\vsplit
 681 \let\ltj@@orig@vsplit=\vsplit
 682 \protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
 683
 684 %%%% \vcenter
 685 \let\ltj@@orig@vcenter=\vcenter
 686 \protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
 687 \protected\def\ltj@@vcenter{%
 688   \ltj@@lua@raisebox\ltj@@orig@vcenter{\box\ltj@afbox}%
 689 }
 690
 691 %%%% \shipout
 692 \newluafunction\ltj@@lua@shipout@inner
 693 \directlua{
 694   local t = lua.get_functions_table()
 695   t[\the\ltj@@lua@shipout@inner]=luatexja.direction.shipout
 696 }
 697 \protected\luadef\ltj@@lua@shipout\ltj@@lua@shipout@inner
 698 \protected\def\ltj@shipout{\ltj@afterbox\ltj@@lua@shipout}
 699 \ifprimitive\shipout\let\shipout\ltj@shipout\fi
 700
 701 %%%% \unhbox and \unvbox
 702 \newluafunction\ltj@@lua@unboxcheckdir@inner
 703 \directlua{
 704   local t = lua.get_functions_table()
 705   t[\the\ltj@@lua@unboxcheckdir@inner]=luatexja.direction.unbox_check_dir
 706 }
 707 \luadef\ltj@@lua@unboxcheckdir\ltj@@lua@unboxcheckdir@inner
 708 \long\def \@gobbletwo #1#2{}
 709 \let\ltj@@orig@unhbox=\unhbox
 710 \let\ltj@@orig@unvbox=\unvbox
 711 \protected\def\unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox\ltj@tempcnta}
 712 \protected\def\unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox\ltj@tempcnta}
 713 \protected\def\ltj@@unhbox{%
 714   \ltj@@lua@unboxcheckdir\ltj@@orig@unhbox\ltj@tempcnta}
 715 \protected\def\ltj@@unvbox{%
 716   \ltj@@lua@unboxcheckdir\ltj@@orig@unvbox\ltj@tempcnta}
 717 \let\ltj@@orig@unhcopy=\unhcopy
 718 \let\ltj@@orig@unvcopy=\unvcopy
 719 \protected\def\unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy\ltj@tempcnta}
 720 \protected\def\unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy\ltj@tempcnta}
 721 \protected\def\ltj@@unhcopy{%
 722   \directlua{luatexja.direction.unbox_check_dir(true)}%
 723   \ltj@@orig@unhcopy\ltj@tempcnta
 724   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 725 \protected\def\ltj@@unvcopy{%
 726   \directlua{luatexja.direction.unbox_check_dir(true)}%
 727   \ltj@@orig@unvcopy\ltj@tempcnta
 728   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 729
 730 %%%% lastbox
 731 \let\ltj@@orig@lastbox=\lastbox
 732 \protected\def\lastbox{%
 733   \directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox
 734 }
 735
 736 %%%%%%%% \ltjgetwd<box_num> etc.
 737 \def\ltj@@getwd{%
 738   \directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 739 \def\ltj@@getht{%
 740   \directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 741 \def\ltj@@getdp{%
 742   \directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 743 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 744
 745 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 746 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 747 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 748 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 749
 750
 751 %%------------------ Load module for the format
 752
 753 \directlua{luatexja.load_kinsoku()}
 754 \ifltj@in@latex                 %<*LaTeX>
 755   \RequirePackage{ltj-latex}
 756 \else\ifltj@in@plain            %<*plain>
 757   \input ltj-plain.sty %
 758 \fi\fi                          %</LaTeX|plain>
 759
 760 \newcatcodetable\ltj@temp@cctb
 761 \def\ltj@overwrite@catcodetable#1{%
 762   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 763   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 764 }
 765 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 766 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 767 \ltj@overwrite@catcodetable\CatcodeTableExpl
 768
 769
 770 %%------------------ all done
 771 \ltj@core@AtEnd
 772 \endinput
 773 %% EOF