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}[2023-02-11 Core of LuaTeX-ja]
  69 \fi                             %</LaTeX>
  70
  71 %% Load prerequisite packages.
  72 \endlinechar=13 %
  73 \newif\ifltj@everyhook@avail\ltj@everyhook@availfalse
  74 %! 外部パッケージは普通の \endlinechar で読まないと危険.
  75 \ifltj@in@latex                 %<*LaTeX>
  76   \RequirePackage{luatexbase}
  77   \RequirePackage{luaotfload}
  78   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
  79   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
  80   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
  81   \RequirePackage{etoolbox}
  82   \IfFileExists{everyhook.sty}{\RequirePackage{everyhook}\ltj@everyhook@availtrue}{}
  83 \else                           %<*!LaTeX>
  84   \input luatexbase.sty
  85   \input luaotfload.sty
  86   \input ltxcmds.sty
  87   \input pdftexcmds.sty
  88   \input xkeyval
  89 \fi                             %</LaTeX>
  90 \endlinechar=-1 %
  91
  92 %% Check if LuaTeX is used
  93 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
  94   % Loading is silently aborted, since the notice of the wrong
  95   % engine is already shown in luaotfload.
  96   \ltj@core@AtEnd
  97 \expandafter\endinput\fi\relax
  98
  99 %% Check LuaTeX version.
 100 \ifnum\luatexversion<110
 101   \@PackageError{luatexja-core}
 102     {This LuaTeX engine is too old for this package;\MessageBreak
 103      at least 1.10.0 is needed}
 104     {Package loading is aborted now.\MessageBreak}
 105 \expandafter\endinput\fi\relax
 106
 107 %% \LuaTeXjaAvailable
 108 %! 環境検査にパスした時に定義される.
 109 \let\LuaTeXjaAvailable=t %
 110
 111 %%------------------
 112 \endlinechar=13
 113
 114 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
 115 % LuaTeX-ja core TeX source
 116
 117 \newcount\ltjlineendcomment
 118 \ltjlineendcomment="FFFFF
 119 \catcode\ltjlineendcomment=14 %"
 120
 121 \def\ltj@loaded{hoge}
 122
 123 \newdimen\ltj@dimen@zw
 124 \newdimen\ltj@dimen@zh
 125 \newdimen\ltj@dimen@jQ \ltj@dimen@jQ=0.25mm
 126 \let\jQ=\ltj@dimen@jQ \let\jH=\jQ
 127
 128 %%%%%%%% Attributes for Japanese typesetting.
 129 \newattribute\ltj@icflag    % attribute for italic correction
 130 \newattribute\ltj@curjfnt   % index for ``current horizontal Japanese font''
 131 \newattribute\ltj@curtfnt   % index for ``current vertical Japanese font''
 132 \newattribute\ltj@charclass %
 133 \newattribute\ltj@charcode %
 134 \newattribute\ltj@autospc   % attribute for autospacing
 135 \newattribute\ltj@autoxspc  % attribute for autoxspacing
 136 \newattribute\ltj@yablshift % attribute for yalbaselineshift
 137 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
 138 \newattribute\ltj@tablshift % attribute for talbaselineshift
 139 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
 140 \newattribute\jfam          % index for current jfam
 141 \newattribute\ltj@vert@ori  % <=0: UAX#50, >0: always upright
 142
 143 \newattribute\ltj@dir
 144 \newlanguage\ltj@@japanese
 145 \ltj@dir\z@
 146 \ltj@icflag\z@
 147 \ltj@curjfnt\m@ne
 148 \ltj@curtfnt\m@ne
 149 \ltj@yablshift\z@
 150 \ltj@ykblshift\z@
 151 \ltj@tablshift\z@
 152 \ltj@tkblshift\z@
 153
 154 \newcount\ltj@tempcnta\newdimen\ltj@tempdima
 155 \newcount\ltj@@stack \newcount\ltj@@group@level
 156 \ltj@@group@level\z@\ltj@@stack\z@
 157
 158 %%%%%%%% Attributes for character ranges
 159 \ltj@tempcnta\z@
 160 \loop\ifnum\ltj@tempcnta<7
 161   \expandafter\newattribute%
 162     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 163   \advance\ltj@tempcnta\@ne
 164 \repeat
 165 \csname ltj@kcat0\endcsname=\z@
 166
 167
 168 %%%%%%%% Loading luatexja.lua
 169 %% Quark tokens needed in ltj-base
 170 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 171 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 172
 173 \directlua{%
 174   luatexja = {};
 175   luatexja.lang_ja = \the\ltj@@japanese;
 176   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
 177       "File `luatexja.lua' not found"))
 178 }
 179
 180 %% \RequireLuaTeXjaSubmodule{name}[date]
 181 % A TeX version of luatexja.load_module(name)
 182 % The second optional argument [date] is simply ignored.
 183 \def\RequireLuaTeXjaSubmodule#1{%
 184   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 185 \def\ltj@requirelua@submod#1[#2]{%
 186   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 187
 188
 189 %%%%%%%% Load all sub-packages.
 190 \ifltj@in@latex                 %<*LaTeX>
 191   \RequirePackage{ltj-base}
 192 \else                           %<*!LaTeX>
 193   \input ltj-base.sty %
 194 \fi                             %</LaTeX>
 195
 196 %%%%%%%% \asluastring
 197 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 198
 199 %%%%%%%% Redefine \/
 200 \newluafunction\ltj@@italic@inner
 201 \newluafunction\ltj@@start@time@measure@inner
 202 \newluafunction\ltj@@stop@time@measure@inner
 203 \directlua{
 204   local t = lua.get_functions_table()
 205   local start_time_measure = luatexja.base.start_time_measure
 206   local stop_time_measure = luatexja.base.stop_time_measure
 207   local scan_arg = token.scan_argument
 208   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 209   t[\the\ltj@@start@time@measure@inner] = function()
 210     start_time_measure(scan_arg())
 211   end
 212   t[\the\ltj@@stop@time@measure@inner] = function()
 213     stop_time_measure(scan_arg())
 214   end
 215 }
 216 \begingroup\catcode`\/=11
 217 \global\let\ltj@@orig@/=\/
 218 \protected\gdef\ltj@@/{\relax\luafunction\ltj@@italic@inner}
 219 \global\let\/\ltj@@/ %% PRIMITIVE
 220 \endgroup
 221 \luadef\ltj@@start@time@measure\ltj@@start@time@measure@inner
 222 \luadef\ltj@@stop@time@measure\ltj@@stop@time@measure@inner
 223
 224 \let\ltj@@convert@input@path@to@lua\relax % defined in LaTeX only (ltj-latex.sty)
 225
 226 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 227 \protected\def\jfont#1{%
 228   \ltj@@convert@input@path@to@lua\def\ltj@temp{#1}%
 229   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko')}}
 230 \protected\def\globaljfont#1{%
 231   \ltj@@convert@input@path@to@lua\def\ltj@temp{#1}%
 232   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko')}}
 233 \newluafunction\ltj@@jfont@inner
 234 \directlua{
 235   (lua.get_functions_table())[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 236 }
 237 \def\ltj@@jfont{\expandafter\expandafter\expandafter\luafunction\expandafter\ltj@@jfont@inner\ltj@temp}
 238
 239 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 240 \protected\def\tfont#1{%
 241   \ltj@@convert@input@path@to@lua\def\ltj@temp{#1}%
 242   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate')}}
 243 \protected\def\globaltfont#1{%
 244   \ltj@@convert@input@path@to@lua\def\ltj@temp{#1}%
 245   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate')}}
 246
 247 %%%%%%%% \zw, \zh
 248 \newluafunction\ltj@zw@inner
 249 \newluafunction\ltj@zh@inner
 250 \directlua{
 251   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 252   t[\the\ltj@zw@inner] = function() setdimen('ltj@dimen@zw', ltjf.get_zw()) end
 253   t[\the\ltj@zh@inner] = function() setdimen('ltj@dimen@zh', ltjf.get_zh()) end
 254 }
 255 \protected\def\ltj@zw{\luafunction\ltj@zw@inner\ltj@dimen@zw}
 256 \protected\def\ltj@zh{\luafunction\ltj@zh@inner\ltj@dimen@zh}
 257 \let\zw=\ltj@zw
 258 \let\zh=\ltj@zh
 259
 260 %%%%%%%% \inhibitglue
 261 \newluafunction\ltj@reset@globaldefs@inner
 262 \newluafunction\ltj@restore@globaldefs@inner
 263 \newluafunction\ltj@@disihb@inner
 264 \newluafunction\ltj@@ihb@inner
 265 \newluafunction\ltj@@fakeparbegin@inner
 266 \newluafunction\ltj@@fakeboxbdd@inner
 267 \newluafunction\ltj@@ins@xk@inner
 268 \newluafunction\ltj@@ins@k@inner
 269 \directlua{
 270   local t, ltjj = lua.get_functions_table(), luatexja.jfmglue
 271   t[\the\ltj@reset@globaldefs@inner]
 272      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 273   t[\the\ltj@restore@globaldefs@inner]
 274      = function() tex.globaldefs = luatexja.global_temp end
 275   t[\the\ltj@@disihb@inner] = ltjj.create_disinhibitglue_node
 276   t[\the\ltj@@ihb@inner] = ltjj.create_inhibitglue_node
 277   t[\the\ltj@@fakeparbegin@inner] = ltjj.create_beginpar_node
 278   t[\the\ltj@@fakeboxbdd@inner] = ltjj.create_boxbdd_node
 279   t[\the\ltj@@ins@xk@inner] = ltjj.insert_xk_skip
 280   t[\the\ltj@@ins@k@inner] = ltjj.insert_k_skip
 281 }
 282 \protected\luadef\ltj@reset@globaldefs  \ltj@reset@globaldefs@inner
 283 \protected\luadef\ltj@restore@globaldefs\ltj@restore@globaldefs@inner
 284 \protected\def\disinhibitglue{\ifhmode\relax\luafunction\ltj@@disihb@inner\fi}
 285 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 286 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 287 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 288 \protected\luadef\insertxkanjiskip \ltj@@ins@xk@inner
 289 \protected\luadef\insertkanjiskip  \ltj@@ins@k@inner
 290
 291
 292 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 293 \protected\def\ltjdefcharrange#1#2{%
 294   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 295 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 296   \ifx\ltj@temp\empty\let\@next=\relax\else
 297   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 298 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 299 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 300   \ifx\ltj@temp\empty
 301     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 302   \else
 303     \def\ltj@temp{#1}%
 304     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 305     \def\ltj@temp{#2}%
 306     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 307   \fi
 308   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 309     \the\ltj@tempcntc)}%
 310   }
 311
 312 %%%%%%%% \ltjsetparameter
 313 \setbox\z@\hbox{%
 314   \directlua{% This value depends on the version of LuaTeX.
 315     luatexja.stack.hmode = -tex.getnest().mode
 316   }%
 317 }
 318 \setbox\z@\vbox{%
 319   \directlua{% This value depends on the version of LuaTeX.
 320     luatexja.stack.vmode = -tex.getnest().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
 332 % jatextfont = {<char_code>, <font_cs>}
 333 % only horizontal font is supported
 334 \define@key[ltj]{japaram}{jatextfont}{%
 335   \expandafter\ltj@@set@stackfont#1:{MJT}}
 336 \define@key[ltj]{japaram}{jascriptfont}{%
 337   \expandafter\ltj@@set@stackfont#1:{MJS}}
 338 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 339   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 340 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 341   \ltj@reset@globaldefs
 342   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 343   \ifnum\ltj@curjfnt=\m@ne
 344     \@PackageError{luatexja-core}%
 345     {\string#2 is not a control sequence that represents \MessageBreak
 346      a Japanese font}{}%
 347   \else
 348     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 349     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 350   \fi
 351   \ltj@curjfnt=\ltj@tempcnta
 352   \ltj@restore@globaldefs
 353   }
 354
 355 % {y,t}{ja,al}baselineshift = <dimen>
 356 % yjabaselineshift = <dimen>
 357 \def\ltj@set@blshift@#1{\directlua{%
 358   local n = token.scan_dimen()
 359   tex.setattribute(luatexja.isglobal,
 360     luatexbase.attributes['#1'], (n==0) and 0 or n)
 361   %次期バージョンで ... and -0x7FFFFFFF or ... に変える
 362 }}
 363 \define@key[ltj]{japaram}{yalbaselineshift}{\ltj@set@blshift@{ltj@yablshift}#1\relax}
 364 \define@key[ltj]{japaram}{yjabaselineshift}{\ltj@set@blshift@{ltj@ykblshift}#1\relax}
 365 \define@key[ltj]{japaram}{talbaselineshift}{\ltj@set@blshift@{ltj@tablshift}#1\relax}
 366 \define@key[ltj]{japaram}{tjabaselineshift}{\ltj@set@blshift@{ltj@tkblshift}#1\relax}
 367
 368 % jaxspmode = {<char_code>, <mode>}
 369 % mode: inhibit, preonly, postonly, allow
 370 %    or       0        1         2      3
 371 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 372   \expandafter\ltj@set@jaxspmode#1:\relax}
 373 \def\ltj@set@jaxspmode#1,#2:{%
 374   \lowercase{\edef\ltj@temp{#2}}%
 375   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 376   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 377   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 378   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 379   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 380
 381 % alxspmode = {<char_code>, <mode>}
 382 % mode: inhibit, preonly, postonly, allow
 383 %    or       0        1         2      3
 384 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 385   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 386
 387 % autospacing = <bool> (default: true)
 388 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 389   \ifltj@japaram@autospacing
 390     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autospc
 391   \else
 392     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 393   \fi}
 394
 395 % autoxspacing = <bool> (default: true)
 396 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 397   \ifltj@japaram@autoxspacing
 398     \directlua{luatexja.ext_print_global()}\unsetattribute\ltj@autoxspc
 399   \else
 400     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 401   \fi}
 402
 403 % [x]]kanjiskip = <skip>
 404 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 405 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 406 \newluafunction\ltjsetkanjiskip@inner
 407 \newluafunction\ltjsetxkanjiskip@inner
 408 \directlua{
 409   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 410   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 411   t[\the\ltjsetkanjiskip@inner] = function()
 412     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 413   end
 414   t[\the\ltjsetxkanjiskip@inner] = function()
 415     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 416   end
 417 }
 418 \protected\luadef\ltjsetkanjiskip \ltjsetkanjiskip@inner
 419 \protected\luadef\ltjsetxkanjiskip\ltjsetxkanjiskip@inner
 420
 421 % jcharwidowpenalty = <count>
 422 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 423   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 424
 425 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 426 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 427   {large,small,average,pleft,pright,paverage,both}{%
 428   \ifcase\ltj@tempr
 429     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 430     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 431     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 432     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 433     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 434     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 435     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 436   \fi
 437 }{\@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 438   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 439   `pleft', `pright', 'paverage' or `both'. }}
 440   % large, small, average, pleft, pright, paverage, both
 441
 442
 443 % jacharrange = { +-<range_number> }
 444 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 445 \def\ltj@@scrange#1,{%
 446   \edef\ltj@temp{#1}%
 447   \ifx\ltj@temp\empty\let\ltj@@next=\relax\else\let\ltj@@next=\ltj@@scrange
 448     \directlua{luatexja.charrange.toggle_char_range(%
 449       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 450   \fi\ltj@@next
 451 }
 452
 453 \protected\def\ltj@setpar@global{%
 454   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 455     \else\directlua{luatexja.isglobal=''}\fi
 456 }
 457 \protected\def\ltjsetparameter#1{%
 458   \ltj@@start@time@measure{set_par}%
 459   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 460   \ltj@@stop@time@measure{set_par}%
 461   \ignorespaces}
 462 \protected\def\ltjglobalsetparameter#1{%
 463   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 464     \else\directlua{luatexja.isglobal='global'}\fi%
 465   \ltj@@start@time@measure{set_par}%
 466   \setkeys[ltj]{japaram}{#1}%
 467   \ltj@@stop@time@measure{set_par}%
 468   \ignorespaces}
 469
 470 %%%%%%%% \ltjgetparameter
 471 \def\ltj@@decl@array@param#1{%
 472   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 473 }
 474 \ltj@@decl@array@param{prebreakpenalty}
 475 \ltj@@decl@array@param{postbreakpenalty}
 476 \ltj@@decl@array@param{jaxspmode}
 477 \ltj@@decl@array@param{alxspmode}
 478 \ltj@@decl@array@param{kcatcode}
 479 \ltj@@decl@array@param{jacharrange}
 480 \ltj@@decl@array@param{chartorange}
 481 \ltj@@decl@array@param{boxdir}
 482 \def\ltjgetparameter#1{%
 483   \ltj@@start@time@measure{get_par}%
 484   % stop call is moved in luatexja.lua
 485   \ifcsname ltj@@array@param/#1\endcsname
 486     \expandafter\ltx@firstoftwo
 487   \else
 488     \expandafter\ltx@secondoftwo
 489   \fi
 490   {\ltj@@getparam@two{#1}}%
 491   {\ltj@@getparam@one{#1}}%
 492 }
 493 \newluafunction\ltj@@getparam@one@inner
 494 \directlua{
 495   (lua.get_functions_table())[\the\ltj@@getparam@one@inner] = luatexja.ext_get_parameter_unary
 496 }
 497 \luadef\ltj@@getparam@one\ltj@@getparam@one@inner
 498 \def\ltj@@getparam@two#1#2{%
 499   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 500 }
 501
 502 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 503 \let\ltj@@origchar=\char
 504 \newluafunction\ltj@alljachar@inner
 505 \directlua{
 506   local t, set_attr = lua.get_functions_table(), tex.setattribute
 507   local get_attr, floor = tex.getattribute, math.floor
 508   local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 509   local lang_ja = luatexja.lang_ja
 510   t[\the\ltj@alljachar@inner] = function()
 511     font.current(get_attr(attr_curjfnt)); tex.language=lang_ja;
 512     for i=0,6 do
 513       set_attr(luatexbase.attributes['ltj@kcat' .. floor(i)], 0)
 514     end
 515   end
 516 }
 517 \protected\luadef\ltj@alljachar\ltj@alljachar@inner
 518 \protected\def\ltj@allalchar{\relax
 519     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 520     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 521     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 522     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 523     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 524     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 525     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 526
 527 \protected\def\ltjjachar{\leavevmode\afterassignment\ltj@@jachar\ltj@tempcnta}
 528 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 529 \protected\def\ltjalchar{\leavevmode\afterassignment\ltj@@alchar\ltj@tempcnta}
 530 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 531
 532 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 533 \protected\def\ltjsetmathletter#1{%
 534   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 535 }
 536 \protected\def\ltjunsetmathletter#1{%
 537   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 538 }
 539
 540 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 541 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 542 % いつも global
 543 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 544   \ltj@reset@globaldefs
 545   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 546   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 547   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 548   \ifnum\ltj@tempcntc=\m@ne
 549     \@PackageError{luatexja-core}%
 550     {\string#1 is not a control sequence that represents \MessageBreak
 551      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 552     \ltj@tempcntc=\ltj@curjfnt
 553   \fi\ltj@restore@globaldefs}
 554
 555 \protected\def\ltjdeclarealtfont#1#2#3{%
 556   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 557    \ltj@@getjfontnumber#2%
 558    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 559 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 560   \ifx\ltj@temp\empty\let\@next=\relax\else
 561   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 562 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 563 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 564   \ifx\ltj@temp\empty
 565     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 566   \else
 567     \def\ltj@temp{#1}%
 568     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 569     \def\ltj@temp{#2}%
 570     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 571   \fi
 572   \directlua{luatexja.jfont.set_alt_font(
 573     \the\ltj@tempcnta,\the\ltj@tempcntb,
 574     \the\ltj@tempcntc, \the\@tempcnta)}%
 575   }
 576
 577 %%%%%%%% \ltjclearaltfont<font_cs>
 578 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 579 \protected\def\ltjclearaltfont#1{%
 580   {\ltj@@getjfontnumber#1%
 581    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 582
 583
 584 %%%%%%%% \yoko, \tate,\dtou
 585 \protected\def\tate{%
 586   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 587 }
 588 \protected\def\yoko{%
 589   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 590 }
 591 \protected\def\dtou{%
 592   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 593 }
 594 \protected\def\utod{% 「縦数式ディレクション」
 595   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 596 }
 597 \define@key[ltj]{japaram}{direction}{%% always local
 598   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 599 }
 600
 601 \yoko
 602
 603 %%%% insert
 604 \let\ltj@@orig@insert\insert
 605 \newluafunction\ltj@@lua@populate@insertwhatsit@inner
 606 \directlua{
 607   (lua.get_functions_table())[\the\ltj@@lua@populate@insertwhatsit@inner]
 608     = luatexja.direction.populate_insertion_dir_whatsit
 609 }
 610 \luadef\ltj@@lua@populate@insertwhatsit\ltj@@lua@populate@insertwhatsit@inner
 611 \protected\def\ltj@@insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 612 \let\insert\ltj@@insert %% PRIMITIVE
 613 \protected\def\ltj@@insert@A{\ltj@@orig@insert\ltj@tempcnta\bgroup
 614   \aftergroup\ltj@@insert@B\let\ltj@@next}
 615 \protected\def\ltj@@insert@B{\ltj@@lua@populate@insertwhatsit\endgroup}
 616
 617 %%%% vadjust
 618 \let\ltj@@orig@vadjust\vadjust
 619 \newluafunction\ltj@@vadjust@begin@inner
 620 \newluafunction\ltj@@vadjust@dirhook@inner
 621 \newluafunction\ltj@@vadjust@check@dir@inner
 622 \directlua{
 623   local t = lua.get_functions_table()
 624   t[\the\ltj@@vadjust@begin@inner] = luatexja.direction.adjust_begin
 625   t[\the\ltj@@vadjust@dirhook@inner]
 626     = function () luatexja.direction.set_list_direction_hook('adj') end
 627   t[\the\ltj@@vadjust@check@dir@inner] = luatexja.direction.check_adjust_direction
 628 }
 629 \protected\luadef\ltj@@vadjust\ltj@@vadjust@begin@inner
 630 \luadef\ltj@@vadjust@dirhook\ltj@@vadjust@dirhook@inner
 631 \protected\luadef\ltj@@vadjust@check@dir\ltj@@vadjust@check@dir@inner
 632 \def\ltj@@vadjust@pre{\ltj@@orig@vadjust pre\bgroup\ltj@@vadjust@dirhook
 633   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 634 \def\ltj@@vadjust@post{\ltj@@orig@vadjust\bgroup\ltj@@vadjust@dirhook
 635   \aftergroup\ltj@@vadjust@check@dir\let\ltj@@next}
 636 \let\vadjust\ltj@@vadjust %% PRIMITIVE
 637
 638 %%%% \hbox, \vbox, \vtop
 639 \setbox\z@\hbox{%
 640   \primitive\everymath{}%
 641   $\directlua{% This value depends on the version of LuaTeX.
 642      luatexja.stack.mmode = -tex.getnest().mode
 643   }$%
 644 }
 645 \setbox\z@\box\voidb@x
 646 \newluafunction\ltj@@box@dirhook@inner
 647 \newluafunction\ltj@@reset@badness@inner
 648 \directlua{
 649   local t, ltjd = lua.get_functions_table(), luatexja.direction
 650   t[\the\ltj@@box@dirhook@inner]
 651     = function() ltjd.set_list_direction_hook() end
 652   t[\the\ltj@@reset@badness@inner] = function()
 653     if luatexja.global_temp then
 654       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 655       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 656       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 657     end
 658   end
 659 }
 660 \luadef\ltj@@box@dirhook\ltj@@box@dirhook@inner
 661 \ifltj@everyhook@avail% using everyhook package
 662   \PushPreHook{hbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 663   \PushPreHook{vbox}{\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 664 \else
 665   \let\ltj@@everyhbox\everyhbox\let\ltj@@everyvbox\everyvbox
 666   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 667   \let\everyhbox\ltj@@i@everyhbox\let\everyvbox\ltj@@i@everyvbox
 668   \ltj@@everyhbox{\ltj@@box@dirhook
 669     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 670   \ltj@@everyvbox{\ltj@@box@dirhook
 671     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 672 \fi
 673
 674 \luadef\ltj@@reset@badness\ltj@@reset@badness@inner
 675
 676 %%%% \raise, \lower, \moveleft, \moveright
 677 \newluafunction\ltj@@lua@raisebox@inner
 678 \directlua{
 679   (lua.get_functions_table())[\the\ltj@@lua@raisebox@inner]=luatexja.direction.raise_box
 680 }
 681 \protected\luadef\ltj@@lua@raisebox\ltj@@lua@raisebox@inner
 682 \let\ltj@@orig@raise\raise
 683 \let\ltj@@orig@lower\lower
 684 \protected\def\ltj@@raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima}
 685 \protected\def\ltj@@lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise@\ltj@tempdima-}
 686 \protected\def\ltj@@raise@{%
 687   \ltj@restore@globaldefs
 688   \edef\ltj@@raise@a{%
 689     \ltj@@lua@raisebox\ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 690   }\ltj@afterbox\ltj@@raise@a}
 691 \let\ltj@@orig@moveleft\moveleft
 692 \let\ltj@@orig@moveright\moveright
 693 \protected\def\ltj@@moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima}
 694 \protected\def\ltj@@moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft@\ltj@tempdima-}
 695 \protected\def\ltj@@moveleft@{%
 696   \ltj@restore@globaldefs
 697   \edef\ltj@@moveleft@a{%
 698     \ltj@@lua@raisebox\ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 699   }\ltj@afterbox\ltj@@moveleft@a}
 700 \let\raise\ltj@@raise %% PRIMITIVE
 701 \let\lower\ltj@@lower %% PRIMITIVE
 702 \let\moveleft\ltj@@moveleft %% PRIMITIVE
 703 \let\moveright\ltj@@moveright %% PRIMITIVE
 704
 705 %%%%\vsplit
 706 \newluafunction\ltj@@vsplit@inner
 707 \directlua{
 708   (lua.get_functions_table())[\the\ltj@@vsplit@inner]=luatexja.direction.vsplit
 709 }
 710 \let\ltj@@orig@vsplit\vsplit
 711 \protected\def\ltj@@vsplit{\luafunction\ltj@@vsplit@inner}
 712 \let\vsplit\ltj@@vsplit %% PRIMITIVE
 713
 714 %%%% \vcenter
 715 \let\ltj@@orig@vcenter\vcenter
 716 \protected\def\ltj@@vcenter{\ltj@afterbox\ltj@@vcenter@\vbox}
 717 \protected\def\ltj@@vcenter@{%
 718   \ltj@@lua@raisebox\ltj@@orig@vcenter{\box\ltj@afbox}%
 719 }
 720 \let\vcenter\ltj@@vcenter %% PRIMITIVE
 721
 722 %%%% \unhbox and \unvbox
 723 \newluafunction\ltj@@lua@unboxcheckdir@inner
 724 \newluafunction\ltj@@lua@uncopycheckdir@inner
 725 \newluafunction\ltj@@lua@uncopy@restore@whatsit@inner
 726 \directlua{
 727   local t = lua.get_functions_table()
 728   t[\the\ltj@@lua@unboxcheckdir@inner]=luatexja.direction.unbox_check_dir
 729   t[\the\ltj@@lua@uncopycheckdir@inner]=luatexja.direction.uncopy_check_dir
 730   t[\the\ltj@@lua@uncopy@restore@whatsit@inner]=luatexja.direction.uncopy_restore_whatsit
 731 }
 732 \luadef\ltj@@lua@unboxcheckdir\ltj@@lua@unboxcheckdir@inner
 733 \luadef\ltj@@lua@uncopycheckdir\ltj@@lua@uncopycheckdir@inner
 734 \luadef\ltj@@lua@uncopy@restore@whatsit\ltj@@lua@uncopy@restore@whatsit@inner
 735 \long\def \@gobbletwo #1#2{}
 736 \let\ltj@@orig@unhbox\unhbox
 737 \let\ltj@@orig@unvbox\unvbox
 738 \protected\def\ltj@@unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox@\ltj@tempcnta}
 739 \protected\def\ltj@@unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox@\ltj@tempcnta}
 740 \protected\def\ltj@@unhbox@{\ltj@@lua@unboxcheckdir\expandafter\ltj@@orig@unhbox\the\ltj@tempcnta\relax}
 741 \protected\def\ltj@@unvbox@{\ltj@@lua@unboxcheckdir\expandafter\ltj@@orig@unvbox\the\ltj@tempcnta\relax}
 742 \let\ltj@@orig@unhcopy\unhcopy
 743 \let\ltj@@orig@unvcopy\unvcopy
 744 \protected\def\ltj@@unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy@\ltj@tempcnta}
 745 \protected\def\ltj@@unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy@\ltj@tempcnta}
 746 \protected\def\ltj@@unhcopy@{%
 747   \ltj@@lua@uncopycheckdir\expandafter\ltj@@orig@unhcopy\the\ltj@tempcnta\relax
 748   \ltj@@lua@uncopy@restore@whatsit}%
 749 \protected\def\ltj@@unvcopy@{%
 750   \ltj@@lua@uncopycheckdir\expandafter\ltj@@orig@unvcopy\the\ltj@tempcnta\relax
 751   \ltj@@lua@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