src/luatexja-core.sty

   1 %
   2 % luatexja-core.sty
   3 %
   4
   5 %! 外から読まれるので仰々しくなってます
   6 %% Avoid multiple loading.
   7 \csname\if11luatexjacoreLoaded\fi\endcsname
   8 \edef\x{%
   9 \catcode32=\the\catcode32%
  10 \catcode33=\the\catcode33%
  11 \catcode35=\the\catcode35%
  12 \catcode40=\the\catcode40%
  13 \catcode41=\the\catcode41%
  14 \catcode42=\the\catcode42%
  15 \catcode43=\the\catcode43%
  16 \catcode44=\the\catcode44%
  17 \catcode45=\the\catcode45%
  18 \catcode46=\the\catcode46%
  19 \catcode58=\the\catcode58%
  20 \catcode59=\the\catcode59%
  21 \catcode60=\the\catcode60%
  22 \catcode61=\the\catcode61%
  23 \catcode62=\the\catcode62%
  24 \catcode64=\the\catcode64%
  25 \catcode91=\the\catcode91%
  26 \catcode93=\the\catcode93%
  27 \catcode94=\the\catcode94%
  28 \catcode95=\the\catcode95%
  29 \catcode126=\the\catcode126%
  30 \endlinechar=\the\endlinechar
  31 \relax}
  32 \catcode32=10 %< >
  33 \catcode33=12 %<">
  34 \catcode35=6  %<#>
  35 \catcode40=12 %<(>
  36 \catcode41=12 %<)>
  37 \catcode42=12 %<*>
  38 \catcode43=12 %<+>
  39 \catcode44=12 %<,>
  40 \catcode45=12 %<->
  41 \catcode46=12 %<.>
  42 \catcode58=12 %<:>
  43 \catcode59=12 %<;>
  44 \catcode60=12 %<<>
  45 \catcode61=12 %<=>
  46 \catcode62=12 %<>>
  47 \catcode64=11 %<@>
  48 \catcode91=12 %<[>
  49 \catcode93=12 %<]>
  50 \catcode94=7  %<^>
  51 \catcode95=8  %<_>
  52 \catcode126=13 %<~>
  53 \endlinechar=-1 %
  54 %! なお, 上のcatcode設定はcoreとcompatで同一にしておく.
  55 \edef\ltj@core@AtEnd{\x
  56   \noexpand\let\noexpand\ltj@core@AtEnd\relax}
  57 \def\luatexjacoreLoaded{\endinput}
  58
  59 %% Check if LaTeX is used.
  60 \begingroup\expandafter\expandafter\expandafter\endgroup
  61 \expandafter\ifx\csname RequirePackage\endcsname\relax %<*!LaTeX>
  62   \expandafter\let\csname ifltj@in@latex\expandafter\endcsname
  63     \csname iffalse\endcsname
  64 \else                           %<*LaTeX>
  65   \expandafter\let\csname ifltj@in@latex\expandafter\endcsname
  66     \csname iftrue\endcsname
  67   \NeedsTeXFormat{LaTeX2e}
  68   \ProvidesPackage{luatexja-core}[2017/11/12 Core of LuaTeX-ja]
  69 \fi                             %</LaTeX>
  70
  71 %% Load prerequisite packages.
  72 \endlinechar=13 %
  73 \newif\ifltj@everyhook@avail\ltj@everyhook@availfalse
  74 %! 外部パッケージは普通の \endlinechar で読まないと危険.
  75 \ifltj@in@latex                 %<*LaTeX>
  76   \RequirePackage{luatexbase}
  77   \RequirePackage{luaotfload}
  78   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
  79   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
  80   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
  81   \RequirePackage{atbegshi}
  82   \RequirePackage{etoolbox}
  83   \AtBeginShipoutInit
  84   \IfFileExists{everyhook.sty}{\RequirePackage{everyhook}\ltj@everyhook@availtrue}{}
  85 \else                           %<*!LaTeX>
  86   \input luatexbase.sty
  87   \input luaotfload.sty
  88   \input ltxcmds.sty
  89   \input pdftexcmds.sty
  90   \input xkeyval
  91   \input atbegshi.sty
  92   \AtBeginShipoutInit
  93 \fi                             %</LaTeX>
  94 \endlinechar=-1 %
  95
  96 %% Check if LuaTeX is used
  97 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
  98   % Loading is silently aborted, since the notice of the wrong
  99   % engine is already shown in luaotfload.
 100   \ltj@core@AtEnd
 101 \expandafter\endinput\fi\relax
 102
 103 %% Check LuaTeX version.
 104 \ifnum\luatexversion<100
 105   \@PackageError{luatexja-core}
 106     {This LuaTeX engine is too old for this package;\MessageBreak
 107      at least 1.0.0 is needed}
 108     {Package loading is aborted now.\MessageBreak}
 109 \expandafter\endinput\fi\relax
 110
 111 %% \LuaTeXjaAvailable
 112 %! 環境検査にパスした時に定義される.
 113 \let\LuaTeXjaAvailable=t %
 114
 115 %%------------------
 116 \endlinechar=13
 117
 118 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
 119 % LuaTeX-ja core TeX source
 120
 121 \newcount\ltjlineendcomment
 122 \ltjlineendcomment="FFFFF
 123 \catcode\ltjlineendcomment=14 %"
 124
 125 \def\ltj@loaded{hoge}
 126
 127 \newdimen\ltj@zw
 128 \newdimen\ltj@zh
 129 \newdimen\jQ \jQ=0.25mm
 130 \let\jH=\jQ
 131
 132 %%%%%%%% error message
 133 \def\ltj@defnum{0}
 134 \def\ltj@defdimen{0}
 135
 136 %%%%%%%% Attributes for Japanese typesetting.
 137 \newattribute\ltj@icflag    % attribute for italic correction
 138 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
 139 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
 140 \newattribute\ltj@charclass %
 141 \newattribute\ltj@charcode %
 142 \newattribute\ltj@autospc   % attribute for autospacing
 143 \newattribute\ltj@autoxspc  % attribute for autoxspacing
 144 \newattribute\ltj@yablshift % attribute for yalbaselineshift
 145 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
 146 \newattribute\ltj@tablshift % attribute for talbaselineshift
 147 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
 148 \newattribute\jfam          % index for current jfam
 149 \newattribute\ltj@vert@ori  % <=0: UAX#50, >0: always upright
 150
 151 \newattribute\ltj@dir
 152 \newlanguage\ltj@@japanese
 153 \ltj@dir\z@
 154 \ltj@icflag\z@
 155 \ltj@charclass\z@
 156 \ltj@curjfnt\m@ne
 157 \ltj@curtfnt\m@ne
 158
 159 %%%%%%%% Attributes for character ranges
 160 \newcount\ltj@tempcnta
 161 \ltj@tempcnta\z@
 162 \loop\ifnum\ltj@tempcnta<7
 163   \expandafter\newattribute%
 164     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 165   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
 166   \advance\ltj@tempcnta\@ne
 167 \repeat
 168
 169
 170 %%%%%%%% Loading luatexja.lua
 171 %% Quark tokens needed in ltj-base
 172 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 173 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 174
 175 \directlua{%
 176   luatexja = {};
 177   luatexja.lang_ja = \the\ltj@@japanese;
 178   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
 179       "File `luatexja.lua' not found"))
 180 }
 181
 182 %% \RequireLuaTeXjaSubmodule{name}[date]
 183 % A TeX version of luatexja.load_module(name)
 184 % The second optional argument [date] is simply ignored.
 185 \def\RequireLuaTeXjaSubmodule#1{%
 186   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 187 \def\ltj@requirelua@submod#1[#2]{%
 188   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 189
 190
 191 %%%%%%%% Load all sub-packages.
 192 \ifltj@in@latex                 %<*LaTeX>
 193   \RequirePackage{ltj-base}
 194 \else                           %<*!LaTeX>
 195   \input ltj-base.sty %
 196 \fi                             %</LaTeX>
 197
 198 %%%%%%%% \asluastring
 199 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 200
 201 %%%%%%%% Redefine \/
 202 \newluafunction\ltj@@italic@inner
 203 \directlua{
 204   local t = lua.get_functions_table()
 205   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 206 }
 207 \protected\def\/{\relax\luafunction\ltj@@italic@inner}
 208
 209 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 210 \protected\def\jfont#1{%
 211   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
 212 \protected\def\globaljfont#1{%
 213   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
 214 \newluafunction\ltj@@jfont@inner
 215 \directlua{
 216   local t = lua.get_functions_table()
 217   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 218 }
 219 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
 220
 221 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 222 \protected\def\tfont#1{%
 223   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
 224 \protected\def\globaltfont#1{%
 225   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 226
 227 %%%%%%%% \zw, \zh
 228 \newluafunction\ltj@zw@inner
 229 \newluafunction\ltj@zh@inner
 230 \directlua{
 231   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 232   t[\the\ltj@zw@inner] = function() setdimen('ltj@zw', ltjf.get_zw()) end
 233   t[\the\ltj@zh@inner] = function() setdimen('ltj@zh', ltjf.get_zh()) end
 234 }
 235 \protected\def\zw{\luafunction\ltj@zw@inner\ltj@zw}
 236 \protected\def\zh{\luafunction\ltj@zh@inner\ltj@zh}
 237
 238 %%%%%%%% \inhibitglue
 239 \newluafunction\ltj@reset@globaldefs@inner
 240 \newluafunction\ltj@restore@globaldefs@inner
 241 \newluafunction\ltj@@ihb@inner
 242 \newluafunction\ltj@@fakeparbegin@inner
 243 \newluafunction\ltj@@fakeboxbdd@inner
 244 \directlua{
 245   local t = lua.get_functions_table()
 246   t[\the\ltj@reset@globaldefs@inner]
 247      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 248   t[\the\ltj@restore@globaldefs@inner]
 249      = function() tex.globaldefs = luatexja.global_temp end
 250   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
 251   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
 252   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
 253 }
 254 \protected\def\ltj@reset@globaldefs{\luafunction\ltj@reset@globaldefs@inner}
 255 \protected\def\ltj@restore@globaldefs{\luafunction\ltj@restore@globaldefs@inner}
 256 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 257 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 258 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 259
 260
 261 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 262 \protected\def\ltjdefcharrange#1#2{%
 263   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 264 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 265   \ifx\ltj@temp\empty\let\@next=\relax\else
 266   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 267 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 268 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 269   \ifx\ltj@temp\empty
 270     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 271   \else
 272     \def\ltj@temp{#1}%
 273     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 274     \def\ltj@temp{#2}%
 275     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 276   \fi
 277   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 278     \the\ltj@tempcntc)}%
 279   }
 280
 281 %%%%%%%% \ltjsetparameter
 282 \newcount\ltj@@stack \newcount\ltj@@group@level
 283 \ltj@@group@level\z@\ltj@@stack\z@
 284
 285 \setbox\z@\hbox{%
 286   \directlua{% This value depends on the version of LuaTeX.
 287     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
 288   }%
 289 }
 290 \setbox\z@\vbox{%
 291   \directlua{% This value depends on the version of LuaTeX.
 292     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
 293   }%
 294 }
 295 \setbox\z@\box\voidb@x
 296
 297 % prebreakpenalty = {<char_code>, <penalty>}
 298 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 299 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 300 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 301 \def\ltj@@set@stack#1#2#3{%
 302   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 303 %\def\ltj@@set@stack#1,#2:#3#4#5{%
 304 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
 305 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 306
 307 % jatextfont = {<char_code>, <font_cs>}
 308 % only horizontal font is supported
 309 \define@key[ltj]{japaram}{jatextfont}{%
 310   \expandafter\ltj@@set@stackfont#1:{MJT}}
 311 \define@key[ltj]{japaram}{jascriptfont}{%
 312   \expandafter\ltj@@set@stackfont#1:{MJS}}
 313 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 314   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 315 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 316   \ltj@reset@globaldefs
 317   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 318   \ifnum\ltj@curjfnt=\m@ne
 319     \@PackageError{luatexja-core}%
 320     {\string#2 is not a control sequence that represents \MessageBreak
 321      a Japanese font}{}%
 322   \else
 323     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 324     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 325   \fi
 326   \ltj@curjfnt=\ltj@tempcnta
 327   \ltj@restore@globaldefs
 328   }
 329
 330 % {y,t}{ja,al}baselineshift = <dimen>
 331 % yjabaselineshift = <dimen>
 332 \define@key[ltj]{japaram}{yalbaselineshift}{%
 333   \directlua{tex.setattribute(luatexja.isglobal,
 334     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
 335 \define@key[ltj]{japaram}{yjabaselineshift}{%
 336   \directlua{tex.setattribute(luatexja.isglobal,
 337     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
 338 \define@key[ltj]{japaram}{talbaselineshift}{%
 339   \directlua{tex.setattribute(luatexja.isglobal,
 340     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
 341 \define@key[ltj]{japaram}{tjabaselineshift}{%
 342   \directlua{tex.setattribute(luatexja.isglobal,
 343     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
 344
 345 % jaxspmode = {<char_code>, <mode>}
 346 % mode: inhibit, preonly, postonly, allow
 347 %    or       0        1         2      3
 348 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 349   \expandafter\ltj@set@jaxspmode#1:\relax}
 350 \def\ltj@set@jaxspmode#1,#2:{%
 351   \lowercase{\edef\ltj@temp{#2}}%
 352   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 353   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 354   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 355   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 356   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 357
 358 % alxspmode = {<char_code>, <mode>}
 359 % mode: inhibit, preonly, postonly, allow
 360 %    or       0        1         2      3
 361 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 362   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 363
 364 % autospacing = <bool> (default: true)
 365 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 366   \ifltj@japaram@autospacing
 367     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
 368   \else
 369     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 370   \fi}
 371
 372 % autoxspacing = <bool> (default: true)
 373 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 374   \ifltj@japaram@autoxspacing
 375     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
 376   \else
 377     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 378   \fi}
 379
 380 % [x]]kanjiskip = <skip>
 381 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 382 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 383 \newluafunction\ltjsetkanjiskip@inner
 384 \newluafunction\ltjsetxkanjiskip@inner
 385 \directlua{
 386   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 387   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 388   t[\the\ltjsetkanjiskip@inner] = function()
 389     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 390   end
 391   t[\the\ltjsetxkanjiskip@inner] = function()
 392     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 393   end
 394 }
 395 \protected\def\ltjsetkanjiskip{\luafunction\ltjsetkanjiskip@inner}
 396 \protected\def\ltjsetxkanjiskip{\luafunction\ltjsetxkanjiskip@inner}
 397
 398 % jcharwidowpenalty = <count>
 399 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 400   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 401
 402 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 403 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 404   {large,small,average,pleft,pright,paverage,both}{%
 405   \ifcase\ltj@tempr
 406     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 407     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 408     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 409     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 410     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 411     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 412     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 413   \fi
 414 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 415   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 416   `pleft', `pright', 'paverage' or `both'. }}
 417   % large, small, average, pleft, pright, paverage, both
 418
 419
 420 % jacharrange = { +-<range_number> }
 421 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 422 \def\ltj@@scrange#1,{%
 423   \edef\ltj@temp{#1}%
 424   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 425     \directlua{luatexja.charrange.toggle_char_range(%
 426       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 427   \fi\ltj@@next
 428 }
 429
 430 \protected\def\ltj@setpar@global{%
 431   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 432     \else\directlua{luatexja.isglobal=''}\fi
 433 }
 434 \protected\def\ltjsetparameter#1{%
 435   \directlua{luatexja.base.start_time_measure('set_par')}%
 436   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 437   \directlua{luatexja.base.stop_time_measure('set_par')}%
 438   \ignorespaces}
 439 \protected\def\ltjglobalsetparameter#1{%
 440   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 441     \else\directlua{luatexja.isglobal='global'}\fi%
 442   \directlua{luatexja.base.start_time_measure('set_par')}%
 443   \setkeys[ltj]{japaram}{#1}%
 444   \directlua{luatexja.base.stop_time_measure('set_par')}%
 445   \ignorespaces}
 446
 447 %%%%%%%% \ltjgetparameter
 448 \def\ltj@@decl@array@param#1{%
 449   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 450 }
 451 \ltj@@decl@array@param{prebreakpenalty}
 452 \ltj@@decl@array@param{postbreakpenalty}
 453 \ltj@@decl@array@param{jaxspmode}
 454 \ltj@@decl@array@param{alxspmode}
 455 \ltj@@decl@array@param{kcatcode}
 456 \ltj@@decl@array@param{jacharrange}
 457 \ltj@@decl@array@param{chartorange}
 458 \ltj@@decl@array@param{boxdir}
 459 \def\ltjgetparameter#1{%
 460   \directlua{luatexja.base.start_time_measure('get_par')}%
 461   % stop call is moved in luatexja.lua
 462   \ifcsname ltj@@array@param/#1\endcsname
 463     \expandafter\ltx@firstoftwo
 464   \else
 465     \expandafter\ltx@secondoftwo
 466   \fi
 467   {\ltj@@getparam@two{#1}}%
 468   {\ltj@@getparam@one{#1}}%
 469 }
 470 \def\ltj@@getparam@one#1{%
 471   \directlua{luatexja.ext_get_parameter_unary('#1')}%
 472 }%
 473 \def\ltj@@getparam@two#1#2{%
 474   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 475 }
 476
 477 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 478 \let\ltj@@origchar=\char
 479 \newluafunction\ltj@alljachar@inner
 480 \directlua{
 481   local t, set_attr = lua.get_functions_table(), tex.setattribute
 482   local get_attr, floor = tex.getattribute, math.floor
 483   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 484   local lang_ja = luatexja.lang_ja
 485   t[\the\ltj@alljachar@inner] = function()
 486     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
 487     for i=0,6 do
 488       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)],0)
 489     end
 490   end
 491 }
 492 \protected\def\ltj@alljachar{\luafunction\ltj@alljachar@inner}
 493 \protected\def\ltj@allalchar{\relax
 494     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 495     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 496     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 497     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 498     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 499     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 500     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 501
 502 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
 503 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 504 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
 505 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 506
 507 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 508 \protected\def\ltjsetmathletter#1{%
 509   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 510 }
 511 \protected\def\ltjunsetmathletter#1{%
 512   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 513 }
 514
 515 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 516 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 517 % いつも global
 518 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 519   \ltj@reset@globaldefs
 520   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 521   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 522   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 523   \ifnum\ltj@tempcntc=\m@ne
 524     \@PackageError{luatexja-core}%
 525     {\string#1 is not a control sequence that represents \MessageBreak
 526      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 527     \ltj@tempcntc=\ltj@curjfnt
 528   \fi\ltj@restore@globaldefs}
 529
 530 \protected\def\ltjdeclarealtfont#1#2#3{%
 531   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 532    \ltj@@getjfontnumber#2%
 533    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 534 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 535   \ifx\ltj@temp\empty\let\@next=\relax\else
 536   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 537 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 538 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 539   \ifx\ltj@temp\empty
 540     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 541   \else
 542     \def\ltj@temp{#1}%
 543     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 544     \def\ltj@temp{#2}%
 545     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 546   \fi
 547   \directlua{luatexja.jfont.set_alt_font(
 548     \the\ltj@tempcnta,\the\ltj@tempcntb,
 549     \the\ltj@tempcntc, \the\@tempcnta)}%
 550   }
 551
 552 %%%%%%%% \ltjclearaltfont<font_cs>
 553 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 554 \protected\def\ltjclearaltfont#1{%
 555   {\ltj@@getjfontnumber#1%
 556    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 557
 558
 559 %%%%%%%% \yoko, \tate,\dtou
 560 \protected\def\tate{%
 561   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 562 }
 563 \protected\def\yoko{%
 564   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 565 }
 566 \protected\def\dtou{%
 567   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 568 }
 569 \protected\def\utod{% 「縦数式ディレクション」
 570   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 571 }
 572 \define@key[ltj]{japaram}{direction}{%% always local
 573   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 574 }
 575
 576 \yoko
 577
 578 %%%% insert
 579 \let\orig@insert=\insert
 580 \protected\def\insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 581 \protected\def\ltj@@insert@A{\orig@insert\ltj@tempcnta\bgroup
 582   \aftergroup\ltj@@insert@B\let\ltj@@next}
 583 \protected\def\ltj@@insert@B{\directlua{luatexja.direction.populate_insertion_dir_whatsit()}\endgroup}
 584
 585 %%%% vadjust
 586 \let\ltj@@orig@vadjust=\vadjust
 587 \protected\def\vadjust{%
 588   \ltj@@orig@vadjust\bgroup
 589   \directlua{luatexja.direction.set_list_direction_hook('adj')}%
 590   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 591 \protected\def\ltj@@vadjust@check@dir{%
 592   \directlua{luatexja.direction.check_adjust_direction()}%
 593 }
 594
 595 %%%% \hbox, \vbox, \vtop
 596 \setbox\z@\hbox{%
 597   \primitive\everymath{}
 598   $\directlua{% This value depends on the version of LuaTeX.
 599      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
 600   }$%
 601 }
 602 \setbox\z@\box\voidb@x
 603 \ifltj@everyhook@avail% using everyhook package
 604   \newluafunction\ltj@@box@dirhook
 605   \directlua{
 606     local t, ltjd = lua.get_functions_table(), luatexja.direction
 607     t[\the\ltj@@box@dirhook]
 608       = function() ltjd.set_list_direction_hook() end
 609   }
 610   \PushPreHook{hbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 611   \PushPreHook{vbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 612 \else
 613   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
 614   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 615   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
 616   \newluafunction\ltj@@box@dirhook
 617   \directlua{
 618     local t, ltjd = lua.get_functions_table(), luatexja.direction
 619     t[\the\ltj@@box@dirhook]
 620       = function() ltjd.set_list_direction_hook() end
 621   }
 622   \ltj@@everyhbox{\luafunction\ltj@@box@dirhook
 623     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 624   \ltj@@everyvbox{\luafunction\ltj@@box@dirhook
 625     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 626 \fi
 627
 628 \newluafunction\ltj@@reset@badness@inner
 629 \directlua{
 630   local t = lua.get_functions_table()
 631   t[\the\ltj@@reset@badness@inner] = function()
 632     if luatexja.global_temp then
 633       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 634       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 635       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 636     end
 637   end}
 638 \protected\def\ltj@@reset@badness{\luafunction\ltj@@reset@badness@inner}
 639
 640 \AtBeginShipout{\directlua{luatexja.direction.finalize()}}
 641
 642 %%%% \raise, \lower, \moveleft, \moveright
 643 \let\ltj@@orig@raise=\raise
 644 \let\ltj@@orig@lower=\lower
 645 \protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
 646 \protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
 647 \protected\def\ltj@@raise{%
 648   \ltj@restore@globaldefs
 649   \edef\ltj@@raise@a{%
 650     \noexpand\directlua{luatexja.direction.raise_box()}%
 651     \ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 652   }\ltj@afterbox\ltj@@raise@a}
 653 \let\ltj@@orig@moveleft=\moveleft
 654 \let\ltj@@orig@moveright=\moveright
 655 \protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
 656 \protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
 657 \protected\def\ltj@@moveleft{%
 658   \ltj@restore@globaldefs
 659   \edef\ltj@@moveleft@a{%
 660     \noexpand\directlua{luatexja.direction.raise_box()}%
 661     \ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 662   }\ltj@afterbox\ltj@@moveleft@a}
 663
 664 %%%%\vsplit
 665 \let\ltj@@orig@vsplit=\vsplit
 666 \protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
 667 %%%% \vcenter
 668 \let\ltj@@orig@vcenter=\vcenter
 669 \protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
 670 \protected\def\ltj@@vcenter{%
 671   \directlua{luatexja.direction.raise_box()}%
 672   \ltj@@orig@vcenter{\box\ltj@afbox}%
 673 }
 674
 675 %%%% \unhbox and \unvbox
 676 \long\def \@gobbletwo #1#2{}
 677 \let\ltj@@orig@unhbox=\unhbox
 678 \let\ltj@@orig@unvbox=\unvbox
 679 \protected\def\unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox\ltj@tempcnta}
 680 \protected\def\unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox\ltj@tempcnta}
 681 \protected\def\ltj@@unhbox{%
 682   \directlua{luatexja.direction.unbox_check_dir()}%
 683   \ltj@@orig@unhbox\ltj@tempcnta}
 684 \protected\def\ltj@@unvbox{%
 685   \directlua{luatexja.direction.unbox_check_dir()}%
 686   \ltj@@orig@unvbox\ltj@tempcnta}
 687 \let\ltj@@orig@unhcopy=\unhcopy
 688 \let\ltj@@orig@unvcopy=\unvcopy
 689 \protected\def\unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy\ltj@tempcnta}
 690 \protected\def\unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy\ltj@tempcnta}
 691 \protected\def\ltj@@unhcopy{%
 692   \directlua{luatexja.direction.unbox_check_dir(true)}%
 693   \ltj@@orig@unhcopy\ltj@tempcnta
 694   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 695 \protected\def\ltj@@unvcopy{%
 696   \directlua{luatexja.direction.unbox_check_dir(true)}%
 697   \ltj@@orig@unvcopy\ltj@tempcnta
 698   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 699
 700 %%%% lastbox
 701 \let\ltj@@orig@lastbox=\lastbox
 702 \protected\def\lastbox{%
 703   \directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox
 704 }
 705
 706 %%%%%%%% \ltjgetwd<box_num> etc.
 707 \def\ltj@@getwd{%
 708   \directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 709 \def\ltj@@getht{%
 710   \directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 711 \def\ltj@@getdp{%
 712   \directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 713 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 714
 715 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 716 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 717 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 718 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 719
 720
 721 %%------------------ Load module for the format
 722
 723 \ifltj@in@latex                 %<*LaTeX>
 724   \RequirePackage{ltj-latex}
 725 \else\ifltj@in@plain            %<*plain>
 726   \input ltj-plain.sty %
 727 \fi\fi                          %</LaTeX|plain>
 728
 729 \newcatcodetable\ltj@temp@cctb
 730 \def\ltj@overwrite@catcodetable#1{%
 731   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 732   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 733 }
 734 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 735 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 736 \ltj@overwrite@catcodetable\CatcodeTableExpl
 737
 738
 739 %%------------------ all done
 740 \ltj@core@AtEnd
 741 \endinput
 742 %% EOF