src/patches/#lltjfont.sty#

   1 %
   2 % lltjfont.sty: derived from plfonts.dtx in pLaTeX.
   3 %
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesPackage{lltjfont}[2020/03/15 Patch to NFSS2 for LuaTeX-ja]
   7
   8 %% patching \DeclareTextComposite
   9 \def\ltj@chardef@text@cmd#1{%
  10   \let\@ifdefinable\@@ifdefinable%
  11   \edef\ltj@chardef@text@cmd@name{\expandafter\@gobble\string#1}%
  12   \afterassignment\ltj@chardef@text@cmd@\ltj@tempcnta
  13 }
  14 \def\ltj@chardef@text@cmd@{%
  15   \ifnum\ltj@tempcnta>"7F
  16     \expandafter\edef\csname \ltj@chardef@text@cmd@name\endcsname{%
  17       \noexpand\ltjalchar\the\ltj@tempcnta\space
  18     }%
  19   \else
  20     \expandafter\chardef\csname \ltj@chardef@text@cmd@name\endcsname\ltj@tempcnta
  21   \fi
  22 }
  23 \def\DeclareTextSymbol#1#2#3{%
  24   \@dec@text@cmd\ltj@chardef@text@cmd#1{#2}#3\relax
  25 }
  26
  27 \let\ltj@temp@DeclareTextComposite=\DeclareTextComposite
  28 \def\DeclareTextComposite#1#2#3#4{}%
  29 \input{tuenc.def}
  30 \let\DeclareTextComposite=\ltj@temp@DeclareTextComposite
  31 \expandafter\patchcmd\csname TU\string\textasteriskcentered\endcsname{\char}{\ltjalchar}{}{}
  32
  33
  34 \let\k@encoding\@empty
  35 \let\ck@encoding\@empty
  36 % LuaTeX-ja uses JY3 and JT3 encodings.
  37 \def\cy@encoding{JY3}\def\ct@encoding{JT3}
  38
  39 \let\k@family\@empty
  40 \let\k@series\@empty
  41 \let\k@shape\@empty
  42 \def\curr@kfontshape{\k@encoding/\k@family/\k@series/\k@shape}
  43 \def\rel@fontshape{\f@encoding/\f@family/\f@series/\f@shape}
  44 \ifdefined\Cht\else\newdimen\Cht\fi
  45 \ifdefined\cht\else\newdimen\cht\fi
  46 \ifdefined\Cdp\else\newdimen\Cdp\fi
  47 \ifdefined\cdp\else\newdimen\cdp\fi
  48 \ifdefined\Cwd\else\newdimen\Cwd\fi
  49 \ifdefined\cwd\else\newdimen\cwd\fi
  50 \ifdefined\Cvs\else\newdimen\Cvs\fi
  51 \ifdefined\cvs\else\newdimen\cvs\fi
  52 \ifdefined\Chs\else\newdimen\Chs\fi
  53 \ifdefined\chs\else\newdimen\chs\fi
  54 \ifdefined\cHT\else\newdimen\cHT\fi
  55 %\let\afont\font
  56
  57 \let\ystrutbox\strutbox
  58 \newbox\dstrutbox
  59 \newbox\tstrutbox
  60 \newbox\zstrutbox
  61 \def\strutbox{%
  62   \ifnum\ltjgetparameter{direction}=1 \dstrutbox       % dtou
  63   \else\ifnum\ltjgetparameter{direction}=4 \ystrutbox  % yoko
  64   \else\tstrutbox  % tate and utod
  65   \fi\fi
  66 }
  67 \DeclareRobustCommand\strut{\relax
  68   \ifnum\ltjgetparameter{direction}=1 % dtou
  69     \ifmmode\copy\dstrutbox\else\unhcopy\dstrutbox\fi
  70   \else\ifnum\ltjgetparameter{direction}=4 % yoko
  71     \ifmmode\copy\ystrutbox\else\unhcopy\ystrutbox\fi
  72   \else % tate and utod
  73     \ifmmode\copy\tstrutbox\else\unhcopy\tstrutbox\fi
  74   \fi\fi
  75 }
  76
  77 \DeclareRobustCommand\ystrut{\relax\hbox{\ltj@@orig@yoko
  78    \ifmmode\copy\ystrutbox\else\unhcopy\ystrutbox\fi}}
  79 \DeclareRobustCommand\tstrut{\relax\hbox{\ltj@@orig@tate
  80    \ifmmode\copy\tstrutbox\else\unhcopy\tstrutbox\fi}}
  81 \DeclareRobustCommand\dstrut{\relax\hbox{\ltj@@orig@dtou
  82    \ifmmode\copy\dstrutbox\else\unhcopy\dstrutbox\fi}}
  83 \DeclareRobustCommand\zstrut{\relax\hbox{\ltj@@orig@utod
  84    \ifmmode\copy\zstrutbox\else\unhcopy\zstrutbox\fi}}
  85
  86 {%
  87   \def\cdp@elt#1#2#3#4{%
  88     \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}}%
  89   \cdp@list%
  90 }
  91
  92 \def\DeclareFontEncoding{%
  93   \begingroup
  94   \nfss@catcodes
  95   \expandafter\endgroup
  96   \DeclareFontEncoding@}
  97 \def\DeclareFontEncoding@#1#2#3{%
  98   \expandafter
  99   \ifx\csname T@#1\endcsname\relax
 100      \def\cdp@elt{\noexpand\cdp@elt}%
 101      \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
 102                     {\default@family}{\default@series}%
 103                     {\default@shape}}%
 104      \expandafter\let\csname#1-cmd\endcsname\@changed@cmd
 105      \directlua{luatexja.jfont.add_fenc_list('\luatexluaescapestring{#1}')}%
 106   \else
 107      \@font@info{Redeclaring font encoding #1}%
 108   \fi
 109   \global\@namedef{T@#1}{#2}%
 110   \global\@namedef{M@#1}{\default@M#3}%
 111   \xdef\LastDeclaredEncoding{#1}%
 112   }
 113 \def\DeclareKanjiEncoding#1{%
 114   \@latex@warning{%
 115      The \string\DeclareKanjiEncoding\space is obsoleted command.  Please use
 116      \MessageBreak
 117      the \string\DeclareTateKanjiEncoding\space for `Tate-kumi' encoding, and
 118      \MessageBreak
 119      the \string\DeclareYokoKanjiEncoding\space for `Yoko-kumi' encoding.
 120      \MessageBreak
 121      I treat the `#1' encoding as `Yoko-kumi'.}
 122   \DeclareYokoKanjiEncoding{#1}%
 123 }
 124 \def\DeclareYokoKanjiEncoding{%
 125   \begingroup
 126   \nfss@catcodes
 127   \expandafter\endgroup
 128   \DeclareYokoKanjiEncoding@}
 129 \def\DeclareYokoKanjiEncoding@#1#2#3{%
 130   \expandafter\ifx\csname T@#1\endcsname\relax
 131     \def\cdp@elt{\noexpand\cdp@elt}%
 132     \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
 133                     {\default@k@family}{\default@k@series}%
 134                     {\default@k@shape}}%
 135     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
 136     \directlua{luatexja.jfont.add_kyenc_list('\luatexluaescapestring{#1}')}%
 137   \else
 138     \@font@info{Redeclaring KANJI (yoko) font encoding #1}%
 139   \fi
 140   \global\@namedef{T@#1}{#2}%
 141   \global\@namedef{M@#1}{\default@KM#3}%
 142   }
 143 \def\DeclareTateKanjiEncoding{%
 144   \begingroup
 145   \nfss@catcodes
 146   \expandafter\endgroup
 147   \DeclareTateKanjiEncoding@}
 148 \def\DeclareTateKanjiEncoding@#1#2#3{%
 149   \expandafter\ifx\csname T@#1\endcsname\relax
 150     \def\cdp@elt{\noexpand\cdp@elt}%
 151     \xdef\cdp@list{\cdp@list\cdp@elt{#1}%
 152                     {\default@k@family}{\default@k@series}%
 153                     {\default@k@shape}}%
 154     \expandafter\let\csname#1-cmd\endcsname\@changed@kcmd
 155     \directlua{luatexja.jfont.add_ktenc_list('\luatexluaescapestring{#1}')}%
 156   \else
 157     \@font@info{Redeclaring KANJI (tate) font encoding #1}%
 158   \fi
 159   \global\@namedef{T@#1}{#2}%
 160   \global\@namedef{M@#1}{\default@KM#3}%
 161   }
 162 \@onlypreamble\DeclareKanjiEncoding
 163 \@onlypreamble\DeclareYokoKanjiEncoding
 164 \@onlypreamble\DeclareYokoKanjiEncoding@
 165 \@onlypreamble\DeclareTateKanjiEncoding
 166 \@onlypreamble\DeclareTateKanjiEncoding@
 167 \def\DeclareKanjiEncodingDefaults#1#2{%
 168   \ifx\relax#1\else
 169     \ifx\default@KT\@empty\else
 170       \@font@info{Overwriting KANJI encoding scheme text defaults}%
 171     \fi
 172     \gdef\default@KT{#1}%
 173   \fi
 174   \ifx\relax#2\else
 175     \ifx\default@KM\@empty\else
 176       \@font@info{Overwriting KANJI encoding scheme math defaults}%
 177     \fi
 178     \gdef\default@KM{#2}%
 179   \fi}
 180 \let\default@KT\@empty
 181 \let\default@KM\@empty
 182 \@onlypreamble\DeclareKanjiEncodingDefaults
 183 \def\DeclareFontFamily#1#2#3{%
 184  \@ifundefined{T@#1}%
 185     {\@latex@error{Encoding scheme `#1' unknown}\@eha}%
 186     {\def\reserved@a{#3}%
 187      \global
 188      \expandafter\let\csname #1+#2\expandafter\endcsname
 189             \ifx \reserved@a\@empty
 190               \@empty
 191             \else \reserved@a
 192             \fi
 193      \directlua{luatexja.jfont.add_ffam('\luatexluaescapestring{#2}')}%
 194     }%
 195 }
 196 \def\DeclareKanjiFamily#1#2#3{%
 197  \@ifundefined{T@#1}%
 198     {\@latex@error{KANJI Encoding scheme `#1' unknown}\@eha}%
 199     {\def\reserved@a{#3}%
 200      \global
 201      \expandafter\let\csname #1+#2\expandafter\endcsname
 202             \ifx \reserved@a\@empty
 203               \@empty
 204             \else \reserved@a
 205             \fi
 206      \directlua{luatexja.jfont.add_kfam('\luatexluaescapestring{#2}')}%
 207      }%
 208 }
 209 \def\DeclareKanjiSubstitution#1#2#3#4{%
 210   \expandafter\ifx\csname T@#1\endcsname\relax
 211     \@latex@error{KANJI Encoding scheme `#1' unknown}\@eha
 212   \else
 213     \begingroup
 214        \def\reserved@a{#1}%
 215        \toks@{}%
 216        \def\cdp@elt##1##2##3##4{%
 217          \def\reserved@b{##1}%
 218          \ifx\reserved@a\reserved@b
 219            \addto@hook\toks@{\cdp@elt{#1}{#2}{#3}{#4}}%
 220          \else
 221            \addto@hook\toks@{\cdp@elt{##1}{##2}{##3}{##4}}%
 222          \fi}%
 223        \cdp@list
 224        \xdef\cdp@list{\the\toks@}%
 225     \endgroup
 226     \global\@namedef{D@#1}{\def\default@family{#2}%
 227                            \def\default@series{#3}%
 228                            \def\default@shape{#4}}%
 229   \fi}
 230 \@onlypreamble\DeclareKanjiSubstitution
 231 \def\DeclareErrorKanjiFont#1#2#3#4#5{%
 232    \xdef\error@kfontshape{%
 233       \noexpand\expandafter\noexpand\split@name\noexpand\string
 234       \expandafter\noexpand\csname#1/#2/#3/#4/#5\endcsname
 235       \noexpand\@nil}%
 236    \gdef\default@k@family{#2}%
 237    \gdef\default@k@series{#3}%
 238    \gdef\default@k@shape{#4}%
 239    }
 240 \@onlypreamble\DeclareErrorKanjiFont
 241
 242 \newif\ifltjselectfont@force@define
 243 \def\DeclareFixedFont#1#2#3#4#5#6{%
 244    \begingroup
 245       \math@fontsfalse
 246       \every@math@size{}%
 247       \fontsize{#6}\z@
 248       \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#2}')}\ifin@%
 249             \ltjselectfont@force@definetrue
 250         \usekanji{#2}{#3}{#4}{#5}%
 251         \global\let#1\getjfont
 252             \ltjselectfont@force@definefalse
 253       \else
 254         \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{#2}')}\ifin@%
 255               \ltjselectfont@force@definetrue
 256           \usekanji{#2}{#3}{#4}{#5}%
 257           \global\let#1\gettfont
 258               \ltjselectfont@force@definefalse
 259         \else
 260           \useroman{#2}{#3}{#4}{#5}%
 261           \global\expandafter\let\expandafter#1\the\font
 262         \fi
 263       \fi
 264    \endgroup
 265   }
 266 \def\DLMfontsw@standard#1#2#3{#1{#2{#3}}}
 267 \def\reDeclareMathAlphabet#1#2#3{%
 268   \ifdefined#2
 269     \@temptokena\expandafter{#2}%
 270   \else
 271     \@temptokena{#2}%
 272   \fi
 273   \ifdefined#3
 274     \toks0\expandafter{#3}%
 275   \else
 276     \toks0{#3}%
 277   \fi
 278   \long\protected\edef#1{%
 279     \noexpand\DLMfontsw@standard{\the\@temptokena}{\the\toks0}}%
 280 }
 281 \@onlypreamble\reDeclareMathAlphabet
 282 \def\all@shape{all}%
 283 \def\DeclareRelationFont#1#2#3#4#5#6#7#8{%
 284   \def\rel@shape{#4}%
 285   \ifx\rel@shape\@empty
 286      \global
 287      \expandafter\def\csname rel@#1/#2/#3/all\endcsname{%
 288        \romanencoding{#5}\romanfamily{#6}%
 289        \romanseries{#7}}%
 290   \else
 291      \global
 292      \expandafter\def\csname rel@#1/#2/#3/#4\endcsname{%
 293        \romanencoding{#5}\romanfamily{#6}%
 294        \romanseries{#7}\romanshape{#8}}%
 295   \fi
 296 }
 297 \def\SetRelationFont#1#2#3#4#5#6#7#8{%
 298   \def\rel@shape{#4}%
 299   \ifx\rel@shape\@empty
 300      \expandafter\def\csname rel@#1/#2/#3/all\endcsname{%
 301        \romanencoding{#5}\romanfamily{#6}%
 302        \romanseries{#7}}%
 303   \else
 304      \expandafter\def\csname rel@#1/#2/#3/#4\endcsname{%
 305        \romanencoding{#5}\romanfamily{#6}%
 306        \romanseries{#7}\romanshape{#8}}%
 307   \fi
 308 }
 309 \newif\if@knjcmd
 310 \DeclareRobustCommand\userelfont{\@knjcmdtrue}
 311
 312
 313 \RequirePackage{everysel}
 314 \let\ltj@@EverySelectfont@Init=\@EverySelectfont@Init
 315 \expandafter\expandafter\expandafter\let
 316 \expandafter\expandafter\csname ltj@@orig@selectfont\endcsname\csname selectfont\space\endcsname
 317 \@EverySelectfont@Init
 318 %\let\ltj@@font@info\@font@info
 319 %\let\ltj@@font@warning\@font@warning
 320 \def\@EverySelectfont@Init{%
 321   \expandafter\let\csname selectfont\space \endcsname \ltj@@orig@selectfont
 322   \ltj@@EverySelectfont@Init
 323 }
 324 \def\ltj@selectfont@tate{%
 325   \let\k@encoding\ct@encoding
 326   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
 327   \pickup@tfont
 328   \ifnum\ltjgetparameter{direction}=3 \font@name
 329     \ltj@@does@alt@set{\curr@kfontshape}{%
 330       % alt fonts の定義
 331       \directlua{luatexja.jfont.output_alt_font_cmd('t', '\luatexluaescapestring{\curr@kfontshape}')}%
 332       % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
 333       \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
 334     }%
 335   \fi}
 336 \def\ltj@selectfont@yoko{%
 337   \let\k@encoding\cy@encoding
 338   \xdef\font@name{\csname\curr@kfontshape/\f@size\endcsname}%
 339   \pickup@jfont
 340   \unless\ifnum\ltjgetparameter{direction}=3 \font@name
 341          \ltj@@does@alt@set{\curr@kfontshape}{%
 342       % alt fonts の定義
 343       \directlua{luatexja.jfont.output_alt_font_cmd('y', '\luatexluaescapestring{\curr@kfontshape}')}%
 344       % 定義した alt fonts のデータを \ltjdeclarealtfont に渡すのと同等の処理をする
 345       \directlua{luatexja.jfont.pickup_alt_font_a('\f@size')}%
 346     }%
 347   \fi}
 348 \def\ltj@selectfont@patch{%
 349   \directlua{luatexja.base.start_time_measure('selectfont')}%
 350   \let\tmp@error@fontshape\error@fontshape
 351   \let\error@fontshape\error@kfontshape
 352   \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
 353     \let\cy@encoding\k@encoding
 354     \edef\ct@encoding{\csname t@enc@\k@encoding\endcsname}%
 355   \else
 356     \directlua{luatexja.jfont.is_ktenc('\luatexluaescapestring{\k@encoding}')}\ifin@%
 357      \let\ct@encoding\k@encoding
 358      \edef\cy@encoding{\csname y@enc@\k@encoding\endcsname}%
 359     \else
 360       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
 361     \fi
 362   \fi
 363   \global\let\ltj@afont@name=\font@name
 364   \ltj@selectfont@tate\ltj@selectfont@yoko
 365 %
 366   \edef\tmp@item{{\k@encoding}}\expandafter\def\expandafter\k@encoding\tmp@item
 367   \kenc@update
 368   \global\let\font@name=\ltj@afont@name
 369   \let\error@fontshape\tmp@error@fontshape
 370   \if@knjcmd \@knjcmdfalse
 371     \expandafter\ifx
 372     \csname rel@\k@encoding/\k@family/\k@series/\k@shape\endcsname\relax
 373       \expandafter\ifx
 374          \csname rel@\k@encoding/\k@family/\k@series/all\endcsname\relax
 375       \else
 376          \csname rel@\k@encoding/\k@family/\k@series/all\endcsname\selectfont
 377          % 警告: 再び \selectfont を呼んでいる．無限ループの可能性あり
 378       \fi
 379     \else
 380        \csname rel@\k@encoding/\k@family/\k@series/\k@shape\endcsname\selectfont
 381        % 警告: 再び \selectfont を呼んでいる．無限ループの可能性あり
 382     \fi
 383   \fi
 384   \global\let\font@name=\ltj@afont@name
 385   \directlua{luatexja.base.stop_time_measure('selectfont')}%
 386 }
 387 \EverySelectfont{\ltj@selectfont@patch}
 388
 389 \bgroup
 390   \def\ltj@@dir@patch#1#2#3{%
 391     \global\csletcs{ltj@@orig@#1}{#1}%
 392         \protected\expandafter\xdef\csname #1\endcsname{%
 393           \csname ltj@@orig@#1\endcsname
 394       \unexpanded{\ifnum#3<\z@\let\ltj@@protect\protect\set@typeset@protect}%
 395       \unexpanded{\global\let\ltj@afont@name=\font@name}%
 396           \expandonce{\csname ltj@selectfont@#2\endcsname}%
 397       \unexpanded{\global\let\font@name=\ltj@afont@name}%
 398       \unexpanded{\let\protect\ltj@@protect\fi}%
 399         }%
 400   }
 401   \ltj@@dir@patch{yoko}{yoko}{\ltj@curjfnt}
 402   \ltj@@dir@patch{tate}{tate}{\ltj@curtfnt}
 403   \ltj@@dir@patch{utod}{yoko}{\ltj@curjfnt}
 404   \ltj@@dir@patch{dtou}{yoko}{\ltj@curjfnt}
 405 \egroup
 406
 407 \def\KanjiEncodingPair#1#2{\@namedef{t@enc@#1}{#2}\@namedef{y@enc@#2}{#1}}
 408 \def\set@fontsize#1#2#3{%
 409     \@defaultunits\@tempdimb#2pt\relax\@nnil
 410     \edef\f@size{\strip@pt\@tempdimb}%
 411     \@defaultunits\@tempskipa#3pt\relax\@nnil
 412     \edef\f@baselineskip{\the\@tempskipa}%
 413     \edef\f@linespread{#1}%
 414     \let\baselinestretch\f@linespread
 415     \def\size@update{%
 416       \baselineskip\f@baselineskip\relax
 417       \baselineskip\f@linespread\baselineskip
 418       \normalbaselineskip\baselineskip
 419       \adjustbaseline
 420       \setbox\ystrutbox\hbox{\ltj@@orig@yoko
 421           \vrule\@width\z@
 422                 \@height.7\baselineskip \@depth.3\baselineskip}%
 423       \setbox\dstrutbox\hbox{\ltj@@orig@dtou
 424           \vrule\@width\z@
 425                 \@height.7\baselineskip \@depth.3\baselineskip}%
 426       \setbox\tstrutbox\hbox{\ltj@@orig@tate
 427           \vrule\@width\z@
 428                 \@height.5\baselineskip \@depth.5\baselineskip}%
 429       \setbox\zstrutbox\hbox{\ltj@@orig@utod
 430           \vrule\@width\z@
 431                 \@height.7\baselineskip \@depth.3\baselineskip}%
 432      \let\size@update\relax}}
 433
 434 \newluafunction\ltj@@adjust@baseline@inner
 435 \begingroup\catcode`\~=12
 436 \directlua{%
 437   local nulltable = {}
 438   local t = lua.get_functions_table()
 439   local getfont, dir_tate = font.getfont, luatexja.dir_table.dir_tate
 440   local fmt, get_attr = luatexja.jfont.font_metric_table, tex.getattribute
 441   local getcount=tex.getcount
 442   local setdimen, set_attr = tex.setdimen, tex.setattribute
 443   local dir = luatexja.unary_pars.direction
 444   t[\the\ltj@@adjust@baseline@inner] = function()
 445     local ft = fmt[get_attr('ltj@curtfnt')] or nulltable
 446     ft = ft.char_type or nulltable
 447     local fk = ft[0] or nulltable
 448     local ht, dp, wd = fk.height or 0, fk.depth or 0,
 449                        fk.width or ft.zw or 0
 450     local fm
 451       = ((getfont(font.current()) or nulltable)
 452         .characters or nulltable)[77] or nulltable %% 'M'
 453     set_attr('ltj@tablshift',
 454       tex.round(0.5*((fm.height or 0)- (fm.depth or 0) - ht+ dp)))
 455     if dir() ~= dir_tate then
 456       ft = fmt[get_attr('ltj@curjfnt')] or nulltable
 457       ft = ft.char_type or nulltable
 458       fk = ft[0] or nulltable
 459       ht, dp, wd = fk.height or 0, fk.depth or 0,
 460                    fk.width or ft.zw or 0
 461     end
 462     setdimen('cht', ht); setdimen('cdp', dp)
 463     setdimen('cwd', wd); setdimen('chs', wd)
 464     setdimen('cHT', ht+dp)
 465   end
 466 }\endgroup
 467 \DeclareRobustCommand\adjustbaseline{\luafunction\ltj@@adjust@baseline@inner
 468    \cvs\normalbaselineskip}
 469 \DeclareRobustCommand\romanencoding[1]{%
 470     \expandafter\ifx\csname T@#1\endcsname\relax
 471       \@latex@error{Encoding scheme `#1' unknown}\@eha
 472     \else
 473       \edef\f@encoding{#1}%
 474       \ifx\cf@encoding\f@encoding
 475         \let\enc@update\relax
 476       \else
 477         \let\enc@update\@@enc@update
 478       \fi
 479     \fi
 480 }
 481 \DeclareRobustCommand\kanjiencoding[1]{%
 482     \expandafter\ifx\csname T@#1\endcsname\relax
 483       \@latex@error{KANJI Encoding scheme `#1' unknown}\@eha
 484     \else
 485       \edef\k@encoding{#1}%
 486       \ifx\ck@encoding\k@encoding
 487          \let\kenc@update\relax
 488       \else
 489          \let\kenc@update\@@kenc@update
 490       \fi
 491     \fi
 492 }
 493 \DeclareRobustCommand\fontencoding[1]{%
 494   \directlua{luatexja.jfont.is_kyenc('\luatexluaescapestring{#1}')}\ifin@%
 495   \kanjiencoding{#1}\else\romanencoding{#1}\fi}
 496 \def\@@kenc@update{%
 497   \default@KT
 498   \csname T@\k@encoding\endcsname
 499   \csname D@\k@encoding\endcsname
 500   \let\kenc@update\relax
 501   \let\ck@encoding\k@encoding
 502   \edef\tmp@enc{'\luatexluaescapestring{\k@encoding}'}%
 503   \directlua{luatexja.jfont.is_kyenc(\tmp@enc)}\ifin@%
 504     \let\cy@encoding\k@encoding
 505   \else
 506     \directlua{luatexja.jfont.is_ktenc(\tmp@enc)}\ifin@%
 507       \let\ct@encoding\k@encoding
 508     \else
 509       \@latex@error{KANJI Encoding scheme `\k@encoding' unknown}\@eha
 510     \fi
 511   \fi
 512 }
 513 \let\kenc@update\relax
 514 \def\@changed@kcmd#1#2{%
 515    \ifx\protect\@typeset@protect
 516       \@inmathwarn#1%
 517       \expandafter\ifx\csname\ck@encoding\string#1\endcsname\relax
 518          \expandafter\ifx\csname ?\string#1\endcsname\relax
 519             \expandafter\def\csname ?\string#1\endcsname{%
 520                \TextSymbolUnavailable#1%
 521             }%
 522          \fi
 523          \global\expandafter\let
 524                \csname\cf@encoding \string#1\expandafter\endcsname
 525                \csname ?\string#1\endcsname
 526       \fi
 527       \csname\ck@encoding\string#1%
 528          \expandafter\endcsname
 529    \else
 530       \noexpand#1%
 531    \fi}
 532 \newif\if@notkfam
 533 \newif\if@notffam
 534 \newif\if@tempswz
 535 \def\@ltj@use@fd{true}
 536 \DeclareRobustCommand\romanfamily[1]{\edef\f@family{#1}}
 537 \DeclareRobustCommand\kanjifamily[1]{\edef\k@family{#1}}
 538 \DeclareRobustCommand\fontfamily[1]{%
 539   \@notkfamfalse\@notffamfalse
 540   \edef\tmp@item{'\luatexluaescapestring{#1}'}%
 541   %
 542   \directlua{luatexja.jfont.search_kfam(\tmp@item, \@ltj@use@fd)}%
 543   \ifin@\edef\k@family{#1}\else\@notkfamtrue\fi
 544   %
 545   % alphabetic fonts part
 546   \directlua{luatexja.jfont.is_ffam(\tmp@item)}%
 547   \ifin@\edef\f@family{#1}\else
 548     % checking is_stored_ffam is not sufficient,
 549     % since LuaTeX-ja doesn't know whats fonts are defined before LuaTeX-ja is loaded.
 550     \ifcsname \f@encoding+#1\endcsname % easy case
 551       \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
 552     \else
 553       \@tempswafalse
 554       \def\cdp@elt##1{\ifcsname ##1+#1\endcsname\@tempswatrue\fi}%
 555       \directlua{luatexja.jfont.search_ffam_declared()}%
 556       \if@tempswz
 557         \directlua{luatexja.jfont.add_ffam(\tmp@item)}\edef\f@family{#1}%
 558       \else
 559         % now we search Nffam_list and font definition files.
 560         \directlua{luatexja.jfont.search_ffam_fd(\tmp@item)}%
 561         \ifin@\edef\f@family{#1}\else\@notffamtrue\fi
 562       \fi
 563     \fi
 564   \fi
 565   %
 566   \if@notkfam\if@notffam
 567     \edef\k@family{#1}\edef\f@family{#1}%
 568   \fi\fi
 569 }
 570
 571 \newcount\ltj@@latex@plv \ltj@@latex@plv=-1
 572 \ifdefined\@rmfamilyhook
 573 %%%% LaTeX 2020-02-02
 574 \newif\if@shape@roman@kanji
 575 %%%%%% 2020-02-02 patchlevel detection
 576 \ifx\@forced@seriestrue\@undefined % 2020-02-02 pl0--2
 577   \@latex@error
 578    {Please update LaTeX2e!^^J\space\space
 579      At least LaTeX2e 2020-02-02 patch level 3 is required}
 580    {LaTeX2e 2020-02-02 patch level 2 (and 4) has a bug.}
 581 \else
 582   \ltj@@latex@plv=300
 583   \unless\ifx\series@maybe@drop@one@m@x\@undefined % pl5 + develop
 584     \ltj@@latex@plv=501
 585   \else
 586     \unless\ifx\series@maybe@drop@one@m\@undefined % patch level 5
 587       \ltj@@latex@plv=500
 588     \fi
 589   \fi
 590 \fi
 591 %%%%%%
 592
 593 \def\merge@kanji@series#1{%
 594   \expandafter\expandafter\expandafter
 595   \merge@kanji@series@
 596     \csname series@\k@series @#1\endcsname
 597     {#1}%
 598     \@nil
 599 }
 600
 601 \ifnum\ltj@@latex@plv>500 % !!! pl5 + develop
 602   \def\set@target@series@kanji#1{%
 603       \edef\k@series{#1}%
 604       \series@maybe@drop@one@m\k@series\k@series
 605   }
 606 \else\ifnum\ltj@@latex@plv>300 % !!! pl5
 607   \def\set@target@series@kanji#1{%
 608       \edef\k@series{#1}%
 609       \expandafter\series@maybe@drop@one@m\expandafter{\k@series}\k@series
 610   }
 611 \else % !!! pl 3, 4
 612   \def\set@target@series@kanji#1{%
 613       \edef\k@series{#1}%
 614           \edef\k@series{\expandafter\series@drop@one@m\k@series mm\series@drop@one@m}%
 615   }
 616 \fi\fi
 617
 618 \def\merge@kanji@series@#1#2#3\@nil{%
 619   \def\reserved@a{#3}%
 620   \ifx\reserved@a\@empty
 621     \set@target@series@kanji{#2}%
 622   \else
 623     \begingroup\let\f@encoding\k@encoding\let\f@family\k@family
 624            \maybe@load@fontshape\endgroup
 625     \edef\reserved@a{\k@encoding /\k@family /#1/\k@shape}%
 626      \ifcsname \reserved@a \endcsname
 627        \set@target@series@kanji{#1}%
 628     \else
 629        \ifcsname \k@encoding /\k@family /#2/\k@shape \endcsname
 630          \set@target@series@kanji{#2}%
 631          {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
 632        \else
 633          \set@target@series@kanji{#3}%
 634          {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
 635        \fi
 636     \fi
 637   \fi
 638 }
 639 \def\merge@kanji@shape#1{%
 640   \expandafter\expandafter\expandafter
 641   \merge@kanji@shape@
 642     \csname shape@\k@shape @#1\endcsname
 643     {#1}%
 644     \@nil
 645 }
 646 \def\merge@kanji@shape@#1#2#3\@nil{%
 647   \def\reserved@a{#3}%
 648   \ifx\reserved@a\@empty
 649     \if@shape@roman@kanji
 650       \set@safe@kanji@shape{#2}{}%
 651     \else
 652       \edef\k@shape{#2}%
 653     \fi
 654   \else
 655     \begingroup\let\f@encoding\k@encoding\let\f@family\k@family
 656            \maybe@load@fontshape\endgroup
 657     \edef\reserved@a{\k@encoding /\k@family /\k@series/#1}%
 658      \ifcsname \reserved@a\endcsname
 659        \edef\k@shape{#1}%
 660     \else
 661        \ifcsname \k@encoding /\k@family /\k@series/#2\endcsname
 662          \edef\k@shape{#2}%
 663          {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
 664        \else
 665          \if@shape@roman@kanji
 666            \set@safe@kanji@shape{#3}%
 667            {{\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}}%
 668          \else
 669            \edef\k@shape{#3}%
 670            {\let\curr@fontshape\curr@kfontshape\@font@shape@subst@warning}%
 671          \fi
 672        \fi
 673     \fi
 674   \fi
 675 }
 676 \def\set@safe@kanji@shape#1#2{%
 677   \edef\reserved@b{\k@encoding /\k@family /\k@series/#1}%
 678   \ifcsname \reserved@b\endcsname
 679     \edef\k@shape{#1}%
 680     #2%
 681   \else
 682     \@font@info{Kanji font shape \reserved@b' undefined\MessageBreak
 683                 No change}%
 684   \fi
 685 }
 686 \ifnum\ltj@@latex@plv=300 % !!! pl3, 4
 687   \DeclareRobustCommand\romanseries[1]{\merge@font@series{#1}}
 688   \DeclareRobustCommand\kanjiseries[1]{\merge@kanji@series{#1}}
 689   \DeclareRobustCommand\fontseries[1]{%
 690      \merge@font@series{#1}\merge@kanji@series{#1}}
 691   \DeclareRobustCommand\romanseriesforce[1]{\edef\f@series{#1}}
 692   \DeclareRobustCommand\kanjiseriesforce[1]{\edef\k@series{#1}}
 693   \DeclareRobustCommand\fontseriesforce[1]{%
 694      \edef\f@series{#1}\edef\k@series{#1}}
 695 \else % !!! pl 5
 696   \DeclareRobustCommand\romanseries[1]{\@forced@seriesfalse\merge@font@series{#1}}
 697   \DeclareRobustCommand\kanjiseries[1]{\@forced@seriesfalse\merge@kanji@series{#1}}
 698   \DeclareRobustCommand\fontseries[1]{%
 699     \@forced@seriesfalse\merge@font@series{#1}\merge@kanji@series{#1}}
 700   \DeclareRobustCommand\romanseriesforce[1]{\@forced@seriestrue\merge@font@series{#1}}
 701   \DeclareRobustCommand\kanjiseriesforce[1]{\@forced@seriestrue\merge@kanji@series{#1}}
 702   \DeclareRobustCommand\fontseriesforce[1]{%
 703      \@forced@seriestrue\merge@font@series{#1}\merge@kanji@series{#1}}
 704 \fi
 705 \DeclareRobustCommand\romanshape[1]{\merge@font@shape{#1}}
 706 \DeclareRobustCommand\kanjishape[1]{\merge@kanji@shape{#1}}
 707 \DeclareRobustCommand\fontshape[1]{%
 708    \@shape@roman@kanjitrue
 709    \merge@font@shape{#1}\merge@kanji@shape{#1}%
 710    \@shape@roman@kanjifalse
 711 }
 712 \DeclareRobustCommand\romanshapeforce[1]{\edef\f@shape{#1}}
 713 \DeclareRobustCommand\kanjishapeforce[1]{\edef\k@shape{#1}}
 714 \DeclareRobustCommand\fontshapeforce[1]{\set@safe@kanji@shape{#1}{}\romanshapeforce{#1}}
 715 \DeclareRobustCommand\usekanji[4]{%
 716     \kanjiencoding{#1}\edef\k@family{#2}\edef\k@series{#3}\edef\k@shape{#4}%
 717     \selectfont\ignorespaces}
 718 \DeclareRobustCommand\useroman[4]{%
 719     \romanencoding{#1}\edef\f@family{#2}\edef\f@series{#3}\edef\f@shape{#4}%
 720     \selectfont\ignorespaces}
 721 %%%% LaTeX 2020-02-02 END
 722 \else
 723 %%%% LaTeX 2019-10-01
 724 \DeclareRobustCommand\romanseries[1]{\edef\f@series{#1}}
 725 \DeclareRobustCommand\kanjiseries[1]{\edef\k@series{#1}}
 726 \DeclareRobustCommand\fontseries[1]{\kanjiseries{#1}\romanseries{#1}}
 727 \DeclareRobustCommand\romanshape[1]{\edef\f@shape{#1}}
 728 \DeclareRobustCommand\kanjishape[1]{\edef\k@shape{#1}}
 729 \DeclareRobustCommand\fontshape[1]{\kanjishape{#1}\romanshape{#1}}
 730 \DeclareRobustCommand\usekanji[4]{%
 731     \kanjiencoding{#1}\kanjifamily{#2}\kanjiseries{#3}\kanjishape{#4}%
 732     \selectfont\ignorespaces}
 733 \DeclareRobustCommand\useroman[4]{%
 734     \romanencoding{#1}\romanfamily{#2}\romanseries{#3}\romanshape{#4}%
 735     \selectfont\ignorespaces}
 736 %%%% LaTeX 2019-10-01 END
 737 \fi
 738 %%%%
 739 \protected\def\usefont#1#2#3#4{%
 740   \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{#1}')}\ifin@%
 741   \usekanji{#1}{#2}{#3}{#4}%
 742   \else\useroman{#1}{#2}{#3}{#4}%
 743   \fi}
 744 \DeclareRobustCommand\normalfont{%
 745     \useroman\encodingdefault\familydefault\seriesdefault\shapedefault
 746     \usekanji\kanjiencodingdefault\kanjifamilydefault\kanjiseriesdefault\kanjishapedefault}
 747 %
 748 \let\reset@font\normalfont
 749
 750 \ifdefined\@rmfamilyhook
 751 %%%% LaTeX 2020-02-02
 752 \let\prepare@family@series@update@kanji=\prepare@family@series@update
 753 \patchcmd\prepare@family@series@update{\fontfamily}{\romanfamily}{}{}
 754 \patchcmd\prepare@family@series@update@kanji{\fontfamily}{\kanjifamily}{}{}
 755 \patchcmd\prepare@family@series@update@kanji{\update@series@target@value}{\update@series@target@value@kanji}{}{}
 756 \patchcmd\prepare@family@series@update@kanji{\f@family}{\k@family}{}{}
 757 \patchcmd\prepare@family@series@update@kanji{\@meta@family@list}{\@meta@family@list@kanji}{}{}
 758 \patchcmd\prepare@family@series@update@kanji{\fontfamily}{\kanjifamily}{}{}
 759 \patchcmd\prepare@family@series@update@kanji{\maybe@load@fontshape}
 760   {\begingroup\let\f@encoding\k@encoding\let\f@family\k@family
 761     \maybe@load@fontshape\endgroup}{}{}
 762 \patchcmd\prepare@family@series@update@kanji{\f@series}{\k@series}{}{}
 763 \patchcmd\prepare@family@series@update@kanji{\f@series}{\k@series}{}{}
 764 \let\update@series@target@value@kanji=\update@series@target@value
 765 \patchcmd\update@series@target@value@kanji{\f@family}{\k@family}{}{}
 766 \patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
 767 \patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
 768 \patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
 769 \patchcmd\update@series@target@value@kanji{\f@series}{\k@series}{}{}
 770 \def\@meta@family@list@kanji{\@elt{mc}\@elt{gt}\@elt{jtt}}
 771 \DeclareRobustCommand\bfseries{%
 772   \not@math@alphabet\bfseries\mathbf
 773   \expand@font@defaults
 774   \ifx\f@family\rmdef@ult      \romanseries\bfseries@rm
 775   \else\ifx\f@family\sfdef@ult \romanseries\bfseries@sf
 776   \else\ifx\f@family\ttdef@ult \romanseries\bfseries@tt
 777   \else                        \romanseries\bfdefault
 778   \fi\fi\fi
 779   \ifx\k@family\mcdef@ult      \kanjiseries\bfseries@mc
 780   \else\ifx\k@family\gtdef@ult \kanjiseries\bfseries@gt
 781   \else\ifx\k@family\jttdef@ult\kanjiseries\bfseries@jtt
 782   \else                        \kanjiseries\bfdefault
 783   \fi\fi\fi
 784  \selectfont
 785 }
 786 \DeclareRobustCommand\mdseries{%
 787   \not@math@alphabet\mdseries\relax
 788   \expand@font@defaults
 789   \ifx\f@family\rmdef@ult      \romanseries\mdseries@rm
 790   \else\ifx\f@family\sfdef@ult \romanseries\mdseries@sf
 791   \else\ifx\f@family\ttdef@ult \romanseries\mdseries@tt
 792   \else                        \romanseries\mddefault
 793   \fi\fi\fi
 794   \ifx\k@family\mcdef@ult      \kanjiseries\mdseries@mc
 795   \else\ifx\k@family\gtdef@ult \kanjiseries\mdseries@gt
 796   \else\ifx\k@family\jttdef@ult\kanjiseries\mdseries@jtt
 797   \else                        \kanjiseries\mddefault
 798   \fi\fi\fi
 799   \selectfont
 800 }
 801 \appto\expand@font@defaults{%
 802   \edef\mcdef@ult{\mcdefault}%
 803   \edef\gtdef@ult{\gtdefault}%
 804   \edef\jttdef@ult{\jttdefault}%
 805   \edef\kanjidef@ult{\kanjifamilydefault}%
 806 }
 807 \appto\init@series@setup{%
 808   \ifx\kanjidef@ult\mcdef@ult      \mcfamily
 809   \else\ifx\kanjidef@ult\gtdef@ult \gtfamily
 810   \else\ifx\kanjidef@ult\jttdef@ult \jttfamily
 811   \fi\fi\fi
 812 }
 813 \fi
 814 \ifdefined\prepare@family@series@update@kanji\else
 815 %%%% LaTeX 2019-10-01
 816 \def\prepare@family@series@update@kanji#1{\kanjifamily}
 817 \fi
 818
 819 \DeclareRobustCommand\mcfamily{%
 820   \unless\ifltj@disablejfam\not@math@alphabet\mcfamily\mathmc\fi
 821   \prepare@family@series@update@kanji{mc}\mcdefault
 822   \selectfont}
 823 \DeclareRobustCommand\gtfamily{%
 824   \unless\ifltj@disablejfam\not@math@alphabet\gtfamily\mathgt\fi
 825   \prepare@family@series@update@kanji{gt}\gtdefault
 826   \selectfont}
 827
 828
 829
 830 \let\romanprocess@table\process@table
 831 \def\kanjiprocess@table{%
 832   \kanjiencoding{\kanjiencodingdefault}%
 833   \kanjifamily{\kanjifamilydefault}%
 834   \kanjiseries{\kanjiseriesdefault}%
 835   \kanjishape{\kanjishapedefault}%
 836 }
 837 \def\process@table{%
 838   \romanprocess@table
 839   \kanjiprocess@table
 840 }
 841 \@onlypreamble\romanprocess@table
 842 \@onlypreamble\kanjiprocess@table
 843
 844 %%%%%% LuaTeX-ja specific
 845
 846 % #1 の展開結果から encoding 部分をとりだし，それが和文用かどうかの結果を \ifin@ に代入
 847 \def\ltj@@IsFontJapanese#1{%
 848   \directlua{luatexja.jfont.is_kenc(string.match(
 849       '\luatexluaescapestring{#1}', '[^/]+'))}}
 850
 851
 852 \let\extract@afont\extract@font
 853 \def\pickup@jfont{%
 854   \ifnum
 855         \unless\ifnum\ltjgetparameter{direction}=3 1\else
 856             \ifltjselectfont@force@define 1\else 0\fi\fi =1 %
 857     \expandafter \ifx \font@name \relax
 858        \let\extract@font\extract@jfont
 859        \define@newfont
 860        \let\extract@font\extract@afont
 861     \fi
 862     \let\getjfont\font@name
 863   \else
 864         \begingroup\escapechar\m@ne
 865         \ifcsname ltj@@fontjfm/\expandafter\string\font@name\endcsname\else
 866        \let\extract@font\extract@jfont@onlyjfm
 867        \define@newfont
 868        \let\extract@font\extract@afont
 869         \fi
 870         \endgroup
 871         \csname ltj@@fontjfm/\expandafter\expandafter\expandafter\@gobble\expandafter\string\font@name\endcsname
 872   \fi
 873 }
 874 \def\pickup@tfont{%
 875   \ifnum
 876         \ifnum\ltjgetparameter{direction}=3 1\else
 877             \ifltjselectfont@force@define 1\else 0\fi\fi =1 %
 878     \expandafter \ifx \font@name \relax
 879        \let\extract@font\extract@tfont
 880        \define@newfont
 881        \let\extract@font\extract@afont
 882     \fi
 883     \let\gettfont\font@name
 884   \else
 885         \begingroup\escapechar\m@ne
 886         \ifcsname ltj@@fontjfm/\expandafter\string\font@name\endcsname\else
 887        \let\extract@font\extract@tfont@onlyjfm
 888        \define@newfont
 889        \let\extract@font\extract@afont
 890         \fi
 891         \endgroup
 892         \csname ltj@@fontjfm/\expandafter\expandafter\expandafter\@gobble\expandafter\string\font@name\endcsname
 893   \fi
 894 }
 895
 896 % 異なる和文 enc/fam/ser/shape からは異なるフォント番号が振られるように
 897 % わざと「ゴミをつける」
 898 \def\ltj@@patch@external@font#1 at{%
 899   \directlua{
 900         local s = '\luatexluaescapestring{#1}'
 901         local is_braced, is_quoted
 902         if s:sub(1,1)=='{' and s:sub(-1)=='}' then is_braced=true; s=s:sub(2,-2) end
 903         if s:sub(1,1)=='"' and s:sub(-1)=='"' then is_quoted=true; s=s:sub(2,-2) end
 904         s=s..luatexja.jfont.print_aftl_address()
 905         if is_braced then s='{'..s..'}' elseif is_quoted then s='"'..s..'"' end
 906         %print(s, is_quoted, is_braced)
 907     tex.sprint(-2, s)}%
 908   \space at%
 909 }
 910 \def\extract@jfont{%
 911         \get@external@font
 912     \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
 913       \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
 914     }%
 915     \expandafter\globaljfont\font@name\external@font\relax\font@name% ここで時間がかかる
 916     \csname \f@encoding+\f@family\endcsname
 917     \csname\curr@fontshape\endcsname}
 918 \def\extract@tfont{%
 919         \get@external@font
 920     \ltj@@does@alt@set{\f@encoding/\f@family/\f@series/\f@shape}{%
 921       \edef\external@font{\expandafter\ltj@@patch@external@font\external@font}%
 922     }%
 923     \expandafter\globaltfont\font@name\external@font\relax\font@name
 924     \csname \f@encoding+\f@family\endcsname
 925     \csname\curr@fontshape\endcsname}
 926 \def\extract@jfont@onlyjfm{%
 927         \get@external@font
 928         \csxdef{ltj@@fontjfm/\expandafter\string\font@name}{%
 929           \directlua{%
 930                 luatexja.jfont.load_jfmonly('\luatexluaescapestring{\external@font}', 'yoko')
 931           }%
 932         }}
 933 \def\extract@tfont@onlyjfm{%
 934         \get@external@font
 935         \csxdef{ltj@@fontjfm/\expandafter\string\font@name}{%
 936           \directlua{%
 937                 luatexja.jfont.load_jfmonly('\luatexluaescapestring{\external@font}', 'tate')
 938           }%
 939         }}
 940
 941 \let\ltj@@al@do@subst@correction=\do@subst@correction
 942 \def\ltj@@ja@do@subst@correction{%
 943     \xdef\subst@correction{%
 944       \font@name
 945       \global\expandafter\let\csname \curr@fontshape/\f@size\endcsname\font@name%
 946       \relax}%
 947     \aftergroup\subst@correction
 948 }
 949 \def\do@subst@correction{%
 950    \directlua{luatexja.jfont.is_kenc('\luatexluaescapestring{\f@encoding}')}\ifin@%
 951      \ltj@@ja@do@subst@correction
 952    \else
 953      \ltj@@al@do@subst@correction
 954    \fi
 955 }
 956 \let\@@italiccorr=\/
 957
 958 %%%%%% Japanese font for math mode
 959 \unless\ifltj@disablejfam
 960
 961 % \M@<enc> から その <enc> が和文用か調べる
 962 {\catcode`M=12%
 963 \gdef\ltj@@mathJapaneseFonts#1M#2#3\relax{\ltj@@IsFontJapanese{#3}}}
 964
 965 \let\ltj@@al@getanddefine@fonts=\getanddefine@fonts
 966 \def\ltj@@ja@getanddefine@fonts#1#2{%
 967   \csletcs{if@ltj@tempif}{ifltjselectfont@force@define}%
 968   \ltjselectfont@force@definetrue
 969   \xdef\font@name{\csname \string#2/\tf@size\endcsname}%
 970   \pickup@jfont\let\textfont@name\font@name
 971   \xdef\font@name{\csname \string#2/\sf@size\endcsname}%
 972   \pickup@jfont\let\scriptfont@name\font@name
 973   \xdef\font@name{\csname \string#2/\ssf@size\endcsname}%
 974   \pickup@jfont
 975   \csletcs{ifltjselectfont@force@define}{if@ltj@tempif}%
 976   \edef\math@fonts{\math@fonts\ltj@setpar@global%
 977     \ltj@@set@stackfont#1,\textfont@name:{MJT}%
 978     \ltj@@set@stackfont#1,\scriptfont@name:{MJS}%
 979     \ltj@@set@stackfont#1,\font@name:{MJSS}%
 980   }%
 981 }
 982
 983 \def\getanddefine@fonts#1#2{%
 984   \ltj@tempcnta=#1\ltj@@IsFontJapanese{\string#2}%
 985   \ifin@\let\ltj@temp=\ltj@@ja@getanddefine@fonts%
 986   \else \let\ltj@temp=\ltj@@al@getanddefine@fonts\fi
 987   \ltj@temp{#1}{#2}%
 988 }
 989 \def\use@mathgroup#1#2{\relax\ifmmode
 990   \math@bgroup
 991     \expandafter\ifx\csname M@\f@encoding\endcsname#1\else
 992     #1\fi\ltj@tempcnta=#2 \expandafter\ltj@@mathJapaneseFonts\string#1\relax%
 993     \ifin@\jfam#2\relax\else\mathgroup#2\relax\fi
 994   \expandafter\math@egroup\fi}%
 995
 996 \fi
 997
 998 %%%%%% Alternate Japanese Fonts
 999 %%%% \DeclareAlternateKanjiFont<Benc><Bfam><Bser><Bshape><Aenc><Afam><Aser><Ashape><range>
1000 % いつも global
1001 \def\DeclareAlternateKanjiFont#1#2#3#4#5#6#7#8#9{%
1002   \edef\@temp{#9}%
1003   \ifx\@temp\@empty\else
1004     {\def\ltj@temp@bfont{#1/#2/#3/#4}\def\ltj@temp@afont{#5/#6/#7/#8}%
1005      \expandafter\ltj@@altfont@latex#9,,}\ignorespaces
1006   \fi}
1007 \def\ltj@@altfont@latex#1,{\def\ltj@temp{#1}%
1008   \ifx\ltj@temp\empty\let\@next=\relax\else
1009   \ltj@@altfont@latexA{#1}\let\@next=\ltj@@altfont@latex\fi\@next}
1010 \def\ltj@@altfont@latexA#1{\ltj@@altfont@latexB#1--\@nil}
1011 \def\ltj@@altfont@latexB#1-#2-#3\@nil{\def\ltj@temp{#3}%
1012   \ifx\ltj@temp\empty
1013     \ltj@tempcnta=#1\relax\ltj@tempcntb=\ltj@tempcnta
1014   \else
1015     \def\ltj@temp{#1}%
1016     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
1017     \def\ltj@temp{#2}%
1018     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
1019   \fi
1020   \directlua{luatexja.jfont.set_alt_font_latex(
1021     \the\ltj@tempcnta,\the\ltj@tempcntb,
1022     '\luatexluaescapestring{\ltj@temp@afont}',
1023     '\luatexluaescapestring{\ltj@temp@bfont}')}%
1024   }
1025
1026 %%%% \ClearAlternateKanjiFont<Benc><Bfam><Bser><Bshape>
1027 % いつも global
1028 \def\ClearAlternateKanjiFont#1#2#3#4{%
1029    \directlua{luatexja.jfont.clear_alt_font_latex('\luatexluaescapestring{#1/#2/#3/#4}')}}
1030
1031 \def\ltj@pickup@altfont@auxy#1{%
1032   \begingroup\edef\font@name{\csname #1/\f@size\endcsname}\pickup@jfont\endgroup%
1033 }
1034 \def\ltj@pickup@altfont@auxt#1{%
1035   \begingroup\edef\font@name{\csname #1/\f@size\endcsname}\pickup@tfont\endgroup%
1036 }
1037 \def\ltj@pickup@altfont@copy#1#2{%
1038   \ltj@@getjfontnumber#1%
1039   \directlua{luatexja.jfont.pickup_alt_font_b(\the\ltj@tempcntc,'\luatexluaescapestring{#2}')}%
1040 }
1041
1042 \def\ltj@@does@alt@set#1#2{%
1043   \directlua{luatexja.jfont.does_alt_set'\luatexluaescapestring{#1}'}{#2}}
1044
1045 %%%% patch \@text@composite because of {y,t}albaselineshift
1046
1047 % %% \pltx@isletter from plfonts.dtx
1048 % \def\pltx@mark{\pltx@mark@}
1049 % \let\pltx@scanstop\relax
1050 % \long\def\pltx@cond#1\fi{%
1051 %   #1\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi}
1052 % \long\def\pltx@isletter#1{%
1053 %   \expandafter\pltx@isletter@i#1\pltx@scanstop}
1054 % \long\def\pltx@isletter@i#1\pltx@scanstop{%
1055 %   \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi{\@firstoftwo}%
1056 %     {\pltx@isletter@ii\pltx@scanstop#1\pltx@scanstop{}#1\pltx@mark}}
1057 % \long\def\pltx@isletter@ii#1\pltx@scanstop#{%
1058 %   \pltx@cond\ifx\pltx@mark#1\pltx@mark\fi%
1059 %     {\pltx@isletter@iii}{\pltx@isletter@iv}}
1060 % \long\def\pltx@isletter@iii#1\pltx@mark{\@secondoftwo}
1061 % \long\def\pltx@isletter@iv#1#2#3\pltx@mark{%
1062 %   \pltx@cond\ifx\pltx@mark#3\pltx@mark\fi{%
1063 %     \pltx@cond{\ifnum0\ifcat A\noexpand#21\fi\ifcat=\noexpand#21\fi>\z@}\fi
1064 %       {\@firstoftwo}{\@secondoftwo}%
1065 %   }{\@secondoftwo}}
1066 %
1067 % \def\@text@composite@x#1#2{%
1068 %   \ifx#1\relax
1069 %     #2%
1070 %   \else\pltx@isletter{#1}{#1}{%
1071 %     \begingroup
1072 %     \setbox\z@\hbox\bgroup%
1073 %       \ltj@yablshift\z@ \ltj@tablshift\z@
1074 %       #1%
1075 %       \@tempcntb\directlua{luatexja.pltx_composite_last_node_char()}%)
1076 %       \xdef\pltx@composite@temp{\noexpand\@tempcntb=\the\@tempcntb\relax}%
1077 %       \aftergroup\pltx@composite@temp
1078 %     \egroup
1079 %     \ifnum\ltjgetparameter{direction}=3 %
1080 %       \@tempdima=\ltj@tablshift sp\else\@tempdima=\ltj@yablshift sp\fi
1081 %     \ifnum\@tempcntb<\z@\@tempcnta\z@\else
1082 %       \@tempcnta=\ltjgetparameter{jacharrange}{\ltjgetparameter{chartorange}{\@tempcntb}}\relax
1083 %       \ifnum\@tempcnta=\z@\@tempdima\z@\fi
1084 %     \fi
1085 %     \ifnum\@tempcnta>\z@
1086 %       \ifodd\ltjgetparameter{alxspmode}{\@tempcntb}\else\leavevmode\hbox{}\fi
1087 %       \begingroup\mathsurround\z@$%
1088 %         \hbox{\lower\@tempdima\box\z@}
1089 %       $\endgroup%
1090 %       \ifnum\ltjgetparameter{alxspmode}{\@tempcntb}<2\hbox{}\fi
1091 %     \else
1092 %       \ifdim\@tempdima=\z@{\ltj@yablshift\z@ \ltj@tablshift\z@#1}%
1093 %       \else\lower\@tempdima\box\z@\fi
1094 %     \fi
1095 %     \endgroup}%
1096 %   \fi
1097 % }
1098
1099 \endinput