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}[2017/05/05 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<85
 105   \@PackageError{luatexja-core}
 106     {This LuaTeX engine is too old for this package;\MessageBreak
 107      at least beta-0.85.0 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@origchar  %
 141 \newattribute\ltj@charclass %
 142 \newattribute\ltj@charcode %
 143 \newattribute\ltj@autospc   % attribute for autospacing
 144 \newattribute\ltj@autoxspc  % attribute for autoxspacing
 145 \newattribute\ltj@yablshift % attribute for yalbaselineshift
 146 \newattribute\ltj@ykblshift % attribute for yjabaselineshift
 147 \newattribute\ltj@tablshift % attribute for talbaselineshift
 148 \newattribute\ltj@tkblshift % attribute for tjabaselineshift
 149 \newattribute\jfam          % index for current jfam
 150
 151 \newattribute\ltj@dir
 152 \newlanguage\ltj@@japanese
 153 \ltj@dir\z@
 154 \ltj@icflag\z@
 155 \ltj@origchar\z@
 156 \ltj@charclass\z@
 157 \ltj@curjfnt\m@ne
 158 \ltj@curtfnt\m@ne
 159
 160 %%%%%%%% Attributes for character ranges
 161 \newcount\ltj@tempcnta
 162 \ltj@tempcnta\z@
 163 \loop\ifnum\ltj@tempcnta<7
 164   \expandafter\newattribute%
 165     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 166   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
 167   \advance\ltj@tempcnta\@ne
 168 \repeat
 169
 170
 171 %%%%%%%% Loading luatexja.lua
 172 %% Quark tokens needed in ltj-base
 173 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
 174 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
 175
 176 \directlua{%
 177   luatexja = {};
 178   luatexja.lang_ja = \the\ltj@@japanese;
 179   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
 180       "File `luatexja.lua' not found"))
 181 }
 182
 183 %% \RequireLuaTeXjaSubmodule{name}[date]
 184 % A TeX version of luatexja.load_module(name)
 185 % The second optional argument [date] is simply ignored.
 186 \def\RequireLuaTeXjaSubmodule#1{%
 187   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
 188 \def\ltj@requirelua@submod#1[#2]{%
 189   \directlua{luatexja.load_module("\luatexluaescapestring{#1}")}}
 190
 191
 192 %%%%%%%% Load all sub-packages.
 193 \ifltj@in@latex                 %<*LaTeX>
 194   \RequirePackage{ltj-base}
 195 \else                           %<*!LaTeX>
 196   \input ltj-base.sty %
 197 \fi                             %</LaTeX>
 198
 199 %%%%%%%% \asluastring
 200 \def\asluastring#1{'\luatexluaescapestring{\detokenize{#1}}'}
 201
 202 %%%%%%%% Redefine \/
 203 \newluafunction\ltj@@italic@inner
 204 \directlua{
 205   local t = lua.get_functions_table()
 206   t[\the\ltj@@italic@inner] = luatexja.jfont.append_italic
 207 }
 208 \protected\def\/{\relax\luafunction\ltj@@italic@inner}
 209
 210 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 211 \protected\def\jfont#1{%
 212   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'yoko','\luatexluaescapestring{\noexpand#1}')}}
 213 \protected\def\globaljfont#1{%
 214   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'yoko','\luatexluaescapestring{\noexpand#1}')}}
 215 \newluafunction\ltj@@jfont@inner
 216 \directlua{
 217   local t = lua.get_functions_table()
 218   t[\the\ltj@@jfont@inner] = luatexja.jfont.jfontdefY
 219 }
 220 \def\ltj@@jfont{\luafunction\ltj@@jfont@inner}
 221
 222 %%%%%%%% \tfont\CS={...:...;jfm=metric;...}, \globaltfont
 223 \protected\def\tfont#1{%
 224   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false, 'tate','\luatexluaescapestring{\noexpand#1}')}}
 225 \protected\def\globaltfont#1{%
 226   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true,  'tate','\luatexluaescapestring{\noexpand#1}')}}
 227
 228 %%%%%%%% \zw, \zh
 229 \newluafunction\ltj@zw@inner
 230 \newluafunction\ltj@zh@inner
 231 \directlua{
 232   local t, setdimen, ltjf = lua.get_functions_table(), tex.setdimen, luatexja.jfont
 233   t[\the\ltj@zw@inner] = function() setdimen('ltj@zw', ltjf.get_zw()) end
 234   t[\the\ltj@zh@inner] = function() setdimen('ltj@zh', ltjf.get_zh()) end
 235 }
 236 \protected\def\zw{\luafunction\ltj@zw@inner\ltj@zw}
 237 \protected\def\zh{\luafunction\ltj@zh@inner\ltj@zh}
 238
 239 %%%%%%%% \inhibitglue
 240 \newluafunction\ltj@reset@globaldefs@inner
 241 \newluafunction\ltj@restore@globaldefs@inner
 242 \newluafunction\ltj@@ihb@inner
 243 \newluafunction\ltj@@fakeparbegin@inner
 244 \newluafunction\ltj@@fakeboxbdd@inner
 245 \directlua{
 246   local t = lua.get_functions_table()
 247   t[\the\ltj@reset@globaldefs@inner]
 248      = function() luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0 end
 249   t[\the\ltj@restore@globaldefs@inner]
 250      = function() tex.globaldefs = luatexja.global_temp end
 251   t[\the\ltj@@ihb@inner] = luatexja.jfmglue.create_inhibitglue_node
 252   t[\the\ltj@@fakeparbegin@inner] = luatexja.jfmglue.create_beginpar_node
 253   t[\the\ltj@@fakeboxbdd@inner] = luatexja.jfmglue.create_boxbdd_node
 254 }
 255 \protected\def\ltj@reset@globaldefs{\luafunction\ltj@reset@globaldefs@inner}
 256 \protected\def\ltj@restore@globaldefs{\luafunction\ltj@restore@globaldefs@inner}
 257 \protected\def\inhibitglue{\ifhmode\relax\luafunction\ltj@@ihb@inner\fi}
 258 \protected\def\ltjfakeparbegin{\ifhmode\relax\luafunction\ltj@@fakeparbegin@inner\fi}
 259 \protected\def\ltjfakeboxbdd{\ifhmode\relax\luafunction\ltj@@fakeboxbdd@inner\fi}
 260
 261
 262 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 263 \protected\def\ltjdefcharrange#1#2{%
 264   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 265 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 266   \ifx\ltj@temp\empty\let\@next=\relax\else
 267   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 268 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 269 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 270   \ifx\ltj@temp\empty
 271     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 272   \else
 273     \def\ltj@temp{#1}%
 274     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 275     \def\ltj@temp{#2}%
 276     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 277   \fi
 278   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 279     \the\ltj@tempcntc)}%
 280   }
 281
 282 %%%%%%%% \ltjsetparameter
 283 \newcount\ltj@@stack \newcount\ltj@@group@level
 284 \ltj@@group@level\z@\ltj@@stack\z@
 285
 286 \setbox\z@\hbox{%
 287   \directlua{% This value depends on the version of LuaTeX.
 288     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
 289   }%
 290 }
 291 \setbox\z@\vbox{%
 292   \directlua{% This value depends on the version of LuaTeX.
 293     luatexja.stack.vmode = -tex.nest[tex.nest.ptr].mode
 294   }%
 295 }
 296 \setbox\z@\box\voidb@x
 297
 298 % prebreakpenalty = {<char_code>, <penalty>}
 299 \define@key[ltj]{japaram}{kcatcode}{\ltj@@set@stack{KCAT}{0}{0x7FFFFFFF}#1\relax}
 300 \define@key[ltj]{japaram}{prebreakpenalty}{\ltj@@set@stack{PRE}{-10000}{10000}#1\relax}
 301 \define@key[ltj]{japaram}{postbreakpenalty}{\ltj@@set@stack{POST}{-10000}{10000}#1\relax}
 302 \def\ltj@@set@stack#1#2#3{%
 303   \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#1,#2,#3)}}
 304 %\def\ltj@@set@stack#1,#2:#3#4#5{%
 305 %  \directlua{luatexja.stack.set_stack_perchar(luatexja.stack_table_index.#3,
 306 %    \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
 307
 308 % jatextfont = {<char_code>, <font_cs>}
 309 % only horizontal font is supported
 310 \define@key[ltj]{japaram}{jatextfont}{%
 311   \expandafter\ltj@@set@stackfont#1:{MJT}}
 312 \define@key[ltj]{japaram}{jascriptfont}{%
 313   \expandafter\ltj@@set@stackfont#1:{MJS}}
 314 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 315   \expandafter\ltj@@set@stackfont#1:{MJSS}}
 316 \protected\def\ltj@@set@stackfont#1,#2:#3{%
 317   \ltj@reset@globaldefs
 318   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt\m@ne#2%
 319   \ifnum\ltj@curjfnt=\m@ne
 320     \@PackageError{luatexja-core}%
 321     {\string#2 is not a control sequence that represents \MessageBreak
 322      a Japanese font}{}%
 323   \else
 324     \directlua{luatexja.stack.set_stack_font(luatexja.stack_table_index.#3,
 325     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
 326   \fi
 327   \ltj@curjfnt=\ltj@tempcnta
 328   \ltj@restore@globaldefs
 329   }
 330
 331 % {y,t}{ja,al}baselineshift = <dimen>
 332 % yjabaselineshift = <dimen>
 333 \define@key[ltj]{japaram}{yalbaselineshift}{%
 334   \directlua{tex.setattribute(luatexja.isglobal,
 335     luatexbase.attributes['ltj@yablshift'], token.scan_dimen())}#1\relax}
 336 \define@key[ltj]{japaram}{yjabaselineshift}{%
 337   \directlua{tex.setattribute(luatexja.isglobal,
 338     luatexbase.attributes['ltj@ykblshift'], token.scan_dimen())}#1\relax}
 339 \define@key[ltj]{japaram}{talbaselineshift}{%
 340   \directlua{tex.setattribute(luatexja.isglobal,
 341     luatexbase.attributes['ltj@tablshift'], token.scan_dimen())}#1\relax}
 342 \define@key[ltj]{japaram}{tjabaselineshift}{%
 343   \directlua{tex.setattribute(luatexja.isglobal,
 344     luatexbase.attributes['ltj@tkblshift'], token.scan_dimen())}#1\relax}
 345
 346 % jaxspmode = {<char_code>, <mode>}
 347 % mode: inhibit, preonly, postonly, allow
 348 %    or       0        1         2      3
 349 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 350   \expandafter\ltj@set@jaxspmode#1:\relax}
 351 \def\ltj@set@jaxspmode#1,#2:{%
 352   \lowercase{\edef\ltj@temp{#2}}%
 353   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 354   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 355   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 356   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 357   \ltj@@set@stack{XSP}03#1 \ltj@temp}
 358
 359 % alxspmode = {<char_code>, <mode>}
 360 % mode: inhibit, preonly, postonly, allow
 361 %    or       0        1         2      3
 362 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 363   \expandafter\ltj@set@jaxspmode#1:\relax}% same code as jaxspmode
 364
 365 % autospacing = <bool> (default: true)
 366 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 367   \ifltj@japaram@autospacing
 368     \directlua{luatexja.ext_print_global()}\ltj@autospc\@ne
 369   \else
 370     \directlua{luatexja.ext_print_global()}\ltj@autospc\z@
 371   \fi}
 372
 373 % autoxspacing = <bool> (default: true)
 374 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 375   \ifltj@japaram@autoxspacing
 376     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\@ne
 377   \else
 378     \directlua{luatexja.ext_print_global()}\ltj@autoxspc\z@
 379   \fi}
 380
 381 % [x]]kanjiskip = <skip>
 382 \define@key[ltj]{japaram}{kanjiskip}{\ltjsetkanjiskip#1}
 383 \define@key[ltj]{japaram}{xkanjiskip}{\ltjsetxkanjiskip#1}
 384 \newluafunction\ltjsetkanjiskip@inner
 385 \newluafunction\ltjsetxkanjiskip@inner
 386 \directlua{
 387   local t, scan_glue = lua.get_functions_table(), token.scan_glue
 388   local sss, sti = luatexja.stack.set_stack_skip, luatexja.stack_table_index
 389   t[\the\ltjsetkanjiskip@inner] = function()
 390     local d = scan_glue(); sss(sti.KSK, d); node.free(d)
 391   end
 392   t[\the\ltjsetxkanjiskip@inner] = function()
 393     local d = scan_glue(); sss(sti.XSK, d); node.free(d)
 394   end
 395 }
 396 \protected\def\ltjsetkanjiskip{\luafunction\ltjsetkanjiskip@inner}
 397 \protected\def\ltjsetxkanjiskip{\luafunction\ltjsetxkanjiskip@inner}
 398
 399 % jcharwidowpenalty = <count>
 400 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 401   \ltj@@set@stack{JWP}{-10000}{10000}\z@#1 }
 402
 403 % differentjfm = { large | small | average | pleft | pright | paverage | both}
 404 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 405   {large,small,average,pleft,pright,paverage,both}{%
 406   \ifcase\ltj@tempr
 407     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 408     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 409     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 410     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
 411     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
 412     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
 413     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 414   \fi
 415 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 416   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 417   `pleft', `pright', 'paverage' or `both'. }}
 418   % large, small, average, pleft, pright, paverage, both
 419
 420
 421 % jacharrange = { +-<range_number> }
 422 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 423 \def\ltj@@scrange#1,{%
 424   \edef\ltj@temp{#1}%
 425   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
 426     \directlua{luatexja.charrange.toggle_char_range(%
 427       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
 428   \fi\next
 429 }
 430
 431 \protected\def\ltj@setpar@global{%
 432   \relax\ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}%
 433     \else\directlua{luatexja.isglobal=''}\fi
 434 }
 435 \protected\def\ltjsetparameter#1{%
 436   \directlua{luatexja.base.start_time_measure('set_par')}%
 437   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}%
 438   \directlua{luatexja.base.stop_time_measure('set_par')}%
 439   \ignorespaces}
 440 \protected\def\ltjglobalsetparameter#1{%
 441   \relax\ifnum\globaldefs<0\directlua{luatexja.isglobal=''}%
 442     \else\directlua{luatexja.isglobal='global'}\fi%
 443   \directlua{luatexja.base.start_time_measure('set_par')}%
 444   \setkeys[ltj]{japaram}{#1}%
 445   \directlua{luatexja.base.stop_time_measure('set_par')}%
 446   \ignorespaces}
 447
 448 %%%%%%%% \ltjgetparameter
 449 \def\ltj@@decl@array@param#1{%
 450   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 451 }
 452 \ltj@@decl@array@param{prebreakpenalty}
 453 \ltj@@decl@array@param{postbreakpenalty}
 454 \ltj@@decl@array@param{jaxspmode}
 455 \ltj@@decl@array@param{alxspmode}
 456 \ltj@@decl@array@param{kcatcode}
 457 \ltj@@decl@array@param{jacharrange}
 458 \ltj@@decl@array@param{chartorange}
 459 \ltj@@decl@array@param{boxdir}
 460 \def\ltjgetparameter#1{%
 461   \directlua{luatexja.base.start_time_measure('get_par')}%
 462   % stop call is moved in luatexja.lua
 463   \ifcsname ltj@@array@param/#1\endcsname
 464     \expandafter\ltx@firstoftwo
 465   \else
 466     \expandafter\ltx@secondoftwo
 467   \fi
 468   {\ltj@@getparam@two{#1}}%
 469   {\ltj@@getparam@one{#1}}%
 470 }
 471 \def\ltj@@getparam@one#1{%
 472   \directlua{luatexja.ext_get_parameter_unary('#1')}%
 473 }%
 474 \def\ltj@@getparam@two#1#2{%
 475   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
 476 }
 477
 478 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
 479 \let\ltj@@origchar=\char
 480 \protected\def\ltj@alljachar{\relax
 481     \csname ltj@kcat0\endcsname\z@
 482     \csname ltj@kcat1\endcsname\z@
 483     \csname ltj@kcat2\endcsname\z@
 484     \csname ltj@kcat3\endcsname\z@
 485     \csname ltj@kcat4\endcsname\z@
 486     \csname ltj@kcat5\endcsname\z@
 487     \csname ltj@kcat6\endcsname\z@}
 488 \protected\def\ltj@allalchar{\relax
 489     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 490     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 491     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 492     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 493     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 494     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 495     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
 496
 497 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
 498 \def\ltj@@jachar{{\directlua{tex.globaldefs=0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
 499 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
 500 \def\ltj@@alchar{{\directlua{tex.globaldefs=0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
 501
 502 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
 503 \protected\def\ltjsetmathletter#1{%
 504   \directlua{luatexja.math.is_math_letters[token.scan_int()]=true}#1\relax
 505 }
 506 \protected\def\ltjunsetmathletter#1{%
 507   \directlua{luatexja.math.is_math_letters[token.scan_int()]=false}#1\relax
 508 }
 509
 510 %%%%%%%% \ltjdeclarealtfont<base_font_cs><alt_font_cs>{100-200,3000-,5000,...}
 511 % <base_font_cs> の 第 3 引数の文字達は <alt_font_cs> で組む
 512 % いつも global
 513 \def\ltj@@getjfontnumber#1{% result in \ltj@tempcntc
 514   \ltj@reset@globaldefs
 515   \begingroup\ltj@curjfnt\m@ne\ltj@curtfnt\m@ne\relax
 516   #1\directlua{luatexja.__temp = -(\the\ltj@curjfnt)*(\the\ltj@curtfnt)}\endgroup
 517   \ltj@tempcntc=\directlua{tex.sprint(luatexja.__temp)}\relax
 518   \ifnum\ltj@tempcntc=\m@ne
 519     \@PackageError{luatexja-core}%
 520     {\string#1 is not a control sequence that represents \MessageBreak
 521      a Japanese font}{I'll use the current horizontal Japanese font instead.^^J}%
 522     \ltj@tempcntc=\ltj@curjfnt
 523   \fi\ltj@restore@globaldefs}
 524
 525 \protected\def\ltjdeclarealtfont#1#2#3{%
 526   {\ltj@@getjfontnumber#1\@tempcnta=\ltj@tempcntc% \@tempcnta: 基底フォント
 527    \ltj@@getjfontnumber#2%
 528    \expandafter\ltj@@altfont#3,,}\ignorespaces}
 529 \def\ltj@@altfont#1,{\def\ltj@temp{#1}%
 530   \ifx\ltj@temp\empty\let\@next=\relax\else
 531   \ltj@@altfontA{#1}\let\@next=\ltj@@altfont\fi\@next}
 532 \def\ltj@@altfontA#1{\ltj@@altfontB#1--\@nil}
 533 \def\ltj@@altfontB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 534   \ifx\ltj@temp\empty
 535     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 536   \else
 537     \def\ltj@temp{#1}%
 538     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 539     \def\ltj@temp{#2}%
 540     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 541   \fi
 542   \directlua{luatexja.jfont.set_alt_font(
 543     \the\ltj@tempcnta,\the\ltj@tempcntb,
 544     \the\ltj@tempcntc, \the\@tempcnta)}%
 545   }
 546
 547 %%%%%%%% \ltjclearaltfont<font_cs>
 548 % <font_cs> の文字は全部 <font_cs> 本来の文字で組む
 549 \protected\def\ltjclearaltfont#1{%
 550   {\ltj@@getjfontnumber#1%
 551    \directlua{luatexja.jfont.clear_alt_font(\the\ltj@tempcntc)}}\ignorespaces}
 552
 553
 554 %%%%%%%% \yoko, \tate,\dtou
 555 \protected\def\tate{%
 556   \directlua{luatexja.direction.set_list_direction(3, 'tate')}%
 557 }
 558 \protected\def\yoko{%
 559   \directlua{luatexja.direction.set_list_direction(4, 'yoko')}%
 560 }
 561 \protected\def\dtou{%
 562   \directlua{luatexja.direction.set_list_direction(1, 'dtou')}%
 563 }
 564 \protected\def\utod{% 「縦数式ディレクション」
 565   \directlua{luatexja.direction.set_list_direction(11, 'utod')}%
 566 }
 567 \define@key[ltj]{japaram}{direction}{%% always local
 568   \directlua{luatexja.direction.set_list_direction(1, 'ltjsetparameter')}%
 569 }
 570
 571 \yoko
 572
 573 %%%% insert
 574 \let\orig@insert=\insert
 575 \protected\def\insert{\begingroup\afterassignment\ltj@@insert@A\ltj@tempcnta}
 576 \protected\def\ltj@@insert@A{\orig@insert\ltj@tempcnta\bgroup
 577   \aftergroup\ltj@@insert@B\let\next}
 578 \protected\def\ltj@@insert@B{\directlua{luatexja.direction.populate_insertion_dir_whatsit()}\endgroup}
 579
 580 %%%% vadjust
 581 \let\ltj@@orig@vadjust=\vadjust
 582 \protected\def\vadjust{%
 583   \ltj@@orig@vadjust\bgroup
 584   \directlua{luatexja.direction.set_list_direction_hook('adj')}%
 585   \aftergroup\ltj@@vadjust@check@dir\let\next}
 586 \protected\def\ltj@@vadjust@check@dir{%
 587   \directlua{luatexja.direction.check_adjust_direction()}%
 588 }
 589
 590 %%%% \hbox, \vbox, \vtop
 591 \setbox\z@\hbox{%
 592   \primitive\everymath{}
 593   $\directlua{% This value depends on the version of LuaTeX.
 594      luatexja.stack.mmode = -tex.nest[tex.nest.ptr].mode
 595   }$%
 596 }
 597 \setbox\z@\box\voidb@x
 598 \ifltj@everyhook@avail% using everyhook package
 599   \newluafunction\ltj@@box@dirhook
 600   \directlua{
 601     local t, ltjd = lua.get_functions_table(), luatexja.direction
 602     t[\the\ltj@@box@dirhook]
 603       = function() ltjd.set_list_direction_hook() end
 604   }
 605   \PushPreHook{hbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 606   \PushPreHook{vbox}{\luafunction\ltj@@box@dirhook\aftergroup\ltj@@reset@badness}
 607 \else
 608   \let\ltj@@everyhbox=\everyhbox\let\ltj@@everyvbox=\everyvbox
 609   \newtoks\ltj@@i@everyhbox\newtoks\ltj@@i@everyvbox
 610   \let\everyhbox=\ltj@@i@everyhbox\let\everyvbox=\ltj@@i@everyvbox
 611   \newluafunction\ltj@@box@dirhook
 612   \directlua{
 613     local t, ltjd = lua.get_functions_table(), luatexja.direction
 614     t[\the\ltj@@box@dirhook]
 615       = function() ltjd.set_list_direction_hook() end
 616   }
 617   \ltj@@everyhbox{\luafunction\ltj@@box@dirhook
 618     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyhbox}
 619   \ltj@@everyvbox{\luafunction\ltj@@box@dirhook
 620     \aftergroup\ltj@@reset@badness\the\ltj@@i@everyvbox}
 621 \fi
 622
 623 \newluafunction\ltj@@reset@badness@inner
 624 \directlua{
 625   local t = lua.get_functions_table()
 626   t[\the\ltj@@reset@badness@inner] = function()
 627     if luatexja.global_temp then
 628       tex.hbadness= tex.hbadness or luatexja.hbadness_temp
 629       tex.vbadness= tex.vbadness or luatexja.vbadness_temp
 630       tex.globaldefs= luatexja.global_temp or tex.globaldefs
 631     end
 632   end}
 633 \protected\def\ltj@@reset@badness{\luafunction\ltj@@reset@badness@inner}
 634
 635 \AtBeginShipout{\directlua{luatexja.direction.finalize()}}
 636
 637 %%%% \raise, \lower, \moveleft, \moveright
 638 \let\ltj@@orig@raise=\raise
 639 \let\ltj@@orig@lower=\lower
 640 \protected\def\raise{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima}
 641 \protected\def\lower{\ltj@reset@globaldefs\afterassignment\ltj@@raise\ltj@tempdima-}
 642 \protected\def\ltj@@raise{%
 643   \ltj@restore@globaldefs
 644   \edef\ltj@@raise@a{%
 645     \noexpand\directlua{luatexja.direction.raise_box()}%
 646     \ltj@@orig@raise\the\ltj@tempdima\noexpand\box\ltj@afbox
 647   }\ltj@afterbox\ltj@@raise@a}
 648 \let\ltj@@orig@moveleft=\moveleft
 649 \let\ltj@@orig@moveright=\moveright
 650 \protected\def\moveleft{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima}
 651 \protected\def\moveright{\ltj@reset@globaldefs\afterassignment\ltj@@moveleft\ltj@tempdima-}
 652 \protected\def\ltj@@moveleft{%
 653   \ltj@restore@globaldefs
 654   \edef\ltj@@moveleft@a{%
 655     \noexpand\directlua{luatexja.direction.raise_box()}%
 656     \ltj@@orig@moveleft\the\ltj@tempdima\noexpand\box\ltj@afbox
 657   }\ltj@afterbox\ltj@@moveleft@a}
 658
 659 %%%%\vsplit
 660 \let\ltj@@orig@vsplit=\vsplit
 661 \protected\def\vsplit{\directlua{luatexja.direction.vsplit()}}
 662 %%%% \vcenter
 663 \let\ltj@@orig@vcenter=\vcenter
 664 \protected\def\vcenter{\ltj@afterbox\ltj@@vcenter\vbox}
 665 \protected\def\ltj@@vcenter{%
 666   \directlua{luatexja.direction.raise_box()}%
 667   \ltj@@orig@vcenter{\box\ltj@afbox}%
 668 }
 669
 670 %%%% \unhbox and \unvbox
 671 \long\def \@gobbletwo #1#2{}
 672 \let\ltj@@orig@unhbox=\unhbox
 673 \let\ltj@@orig@unvbox=\unvbox
 674 \protected\def\unhbox{\ltj@reset@globaldefs\afterassignment\ltj@@unhbox\ltj@tempcnta}
 675 \protected\def\unvbox{\ltj@reset@globaldefs\afterassignment\ltj@@unvbox\ltj@tempcnta}
 676 \protected\def\ltj@@unhbox{%
 677   \directlua{luatexja.direction.unbox_check_dir()}%
 678   \ltj@@orig@unhbox\ltj@tempcnta}
 679 \protected\def\ltj@@unvbox{%
 680   \directlua{luatexja.direction.unbox_check_dir()}%
 681   \ltj@@orig@unvbox\ltj@tempcnta}
 682 \let\ltj@@orig@unhcopy=\unhcopy
 683 \let\ltj@@orig@unvcopy=\unvcopy
 684 \protected\def\unhcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unhcopy\ltj@tempcnta}
 685 \protected\def\unvcopy{\ltj@reset@globaldefs\afterassignment\ltj@@unvcopy\ltj@tempcnta}
 686 \protected\def\ltj@@unhcopy{%
 687   \directlua{luatexja.direction.unbox_check_dir(true)}%
 688   \ltj@@orig@unhcopy\ltj@tempcnta
 689   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 690 \protected\def\ltj@@unvcopy{%
 691   \directlua{luatexja.direction.unbox_check_dir(true)}%
 692   \ltj@@orig@unvcopy\ltj@tempcnta
 693   \directlua{luatexja.direction.uncopy_restore_whatsit()}}
 694
 695 %%%% lastbox
 696 \let\ltj@@orig@lastbox=\lastbox
 697 \protected\def\lastbox{%
 698   \directlua{luatexja.direction.lastbox_hook()}\ltj@@orig@lastbox
 699 }
 700
 701 %%%%%%%% \ltjgetwd<box_num> etc.
 702 \def\ltj@@getwd{%
 703   \directlua{luatexja.direction.get_box_dim('width', token.scan_int())}}
 704 \def\ltj@@getht{%
 705   \directlua{luatexja.direction.get_box_dim('height', token.scan_int())}}
 706 \def\ltj@@getdp{%
 707   \directlua{luatexja.direction.get_box_dim('depth', token.scan_int())}}
 708 \let\ltjgetwd=\ltj@@getwd\let\ltjgetht=\ltj@@getht\let\ltjgetdp=\ltj@@getdp
 709
 710 %%%%%%%% \ltjsetwd<box_num>=<dimen> etc.
 711 \protected\def\ltjsetwd{\directlua{luatexja.direction.set_box_dim('width')}}
 712 \protected\def\ltjsetht{\directlua{luatexja.direction.set_box_dim('height')}}
 713 \protected\def\ltjsetdp{\directlua{luatexja.direction.set_box_dim('depth')}}
 714
 715
 716 %%------------------ Load module for the format
 717
 718 \ifltj@in@latex                 %<*LaTeX>
 719   \RequirePackage{ltj-latex}
 720 \else\ifltj@in@plain            %<*plain>
 721   \input ltj-plain.sty %
 722 \fi\fi                          %</LaTeX|plain>
 723
 724 \newcatcodetable\ltj@temp@cctb
 725 \def\ltj@overwrite@catcodetable#1{%
 726   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
 727   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode\ltjlineendcomment=14}%"
 728 }
 729 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
 730 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
 731 \ltj@overwrite@catcodetable\CatcodeTableExpl
 732
 733
 734 %%------------------ all done
 735 \ltj@core@AtEnd
 736 \endinput
 737 %% EOF