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}[2011/04/01 v0.1]
  69 \fi                             %</LaTeX>
  70
  71 %% Load prerequisite packages.
  72 %! 参考： W32TeX の LuaTeX
  73 %!     2010/11/27 v0.65.0 r3988 (LuaTeX-ja の最低要件)
  74 %!     2010/07/10 v0.60.2 r3735 (TL2010 とほぼ同じ)
  75 \endlinechar=13 %
  76 %! 外部パッケージは普通の \endlinechar で読まないと危険.
  77 \ifltj@in@latex                 %<*LaTeX>
  78   \RequirePackage{luaotfload} [2010/11/11] % v1.21
  79   \RequirePackage{infwarerr}  [2010/04/08] % v1.3
  80   \RequirePackage{ltxcmds}    [2010/04/26] % v1.7
  81   \RequirePackage{pdftexcmds} [2010/04/01] % v0.9
  82   \RequirePackage{xkeyval}    [2008/08/13] % v2.6a
  83 \else                           %<*!LaTeX>
  84   \input luaotfload.sty
  85   \input infwarerr.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 aldready shown in otfluaload.
  96   \ltj@core@AtEnd
  97 \expandafter\endinput\fi\relax
  98
  99 %% Check LuaTeX version.
 100 \ifnum\luatexversion<65
 101   \@PackageError{luatexja-core}
 102     {This LuaTeX engine is too old for this package;\MessageBreak
 103      at least v0.65 is needed}
 104     {Package loading is aborted now.\MessageBreak}
 105 \expandafter\endinput\fi\relax
 106
 107 %! なお、luatexbase-compat の説明に従うと、LuaTeX 拡張プリミティブは
 108 %! plain/LaTeX の両方で \luatex 付の名前（\directlua はそのまま)
 109 %! で使えると考えてよい。
 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
 117 %% Load all sub-packages.
 118 \ifltj@in@latex                 %<*LaTeX>
 119   \RequirePackage{luatexja-cctbreg}[2011/04/01]
 120   \RequirePackage{luatexja-base}[2011/04/01]
 121 \else                           %<*!LaTeX>
 122   \input luatexja-cctbreg.sty %
 123   \input luatexja-base.sty %
 124 \fi                             %</LaTeX>
 125
 126 %%------------------
 127 \endlinechar=13
 128 %! この中に master の luatexja-core.sty の内容を挿入する
 129 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
 130 % LuaTeX-ja core TeX source
 131
 132 \catcode"FFFFF=14 %"
 133
 134 \def\ltj@loaded{hoge}
 135
 136 \newcount\ltj@tempcnta
 137 \newcount\ltj@tempcntb
 138 \newcount\ltj@tempcntc
 139 \newdimen\ltj@tempdima
 140 \newskip\ltj@tempskipa
 141 \newtoks\ltj@temptoks
 142
 143 \newdimen\ltj@zw
 144 \newdimen\ltj@zh
 145 \newdimen\jQ \jQ=0.25mm
 146 \let\jH=\jQ
 147
 148 %%%%%%%% error message
 149 \def\ltj@defnum{0}
 150 \def\ltj@defdimen{0}
 151
 152
 153 %%%%%%%% Attributes for Japanese typesetting.
 154 \newluatexattribute\ltj@curjfnt   % index for ``current Japanese font''
 155 \newluatexattribute\jfam          % index for current jfam
 156 \newluatexattribute\ltj@charclass %
 157 \newluatexattribute\ltj@yablshift % attribute for \yabaselineshift
 158 \newluatexattribute\ltj@ykblshift % attribute for \ykbaselineshift
 159 \newluatexattribute\ltj@autospc   % attribute for autospacing
 160 \newluatexattribute\ltj@autoxspc  % attribute for autoxspacing
 161 \newluatexattribute\ltj@icflag    % attribute for italic correction
 162 \newlanguage\ltj@japanese
 163
 164 %%%%%%%% Loading lua files
 165 \directlua{%
 166   utf = unicode.utf8
 167   ltj = {}
 168   function ltj.loadlua(file)
 169     local path = assert(kpse.find_file(file, 'tex'),
 170       "File '"..file.."' not found")
 171     texio.write_nl("("..path..")")
 172     dofile(path)
 173   end
 174   ltj.loadlua('luatexja-core.lua')
 175 }
 176
 177
 178 %%%%%%%% Attributes for character ranges
 179 \ltj@tempcnta=0
 180 \loop\ifnum\ltj@tempcnta<7
 181   \expandafter\newluatexattribute%
 182     \csname ltj@kcat\the\ltj@tempcnta\endcsname
 183   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
 184   \advance\ltj@tempcnta by1
 185 \repeat
 186
 187
 188 %%%%%%%% \asluastring
 189 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
 190
 191 %%%%%%%% Redefine \/
 192 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
 193
 194 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
 195 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
 196 \protected\def\globaljfont{%
 197   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
 198 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
 199
 200 %%%%%%%% \zw, \zh
 201 \def\zw{\directlua{luatexja.jfont.load_zw()}\ltj@zw}
 202 \def\zh{\directlua{luatexja.jfont.load_zh()}\ltj@zh}
 203
 204 %%%%%%%% \inhibitglue
 205 \let\new@everypar=\everypar
 206 \protected\def\inhibitglue{\relax%
 207   \ifvmode
 208     \directlua{ltj.global_temp = tex.globaldefs; tex.globaldefs = 0}% trick
 209     \xdef\@@tempa{\the\everypar}%
 210     \xdef\@@tempb{\everypar={\@@tempa}\@@tempa\noexpand\ltj@@ihb}%
 211     \everypar\expandafter{\@@tempb}%
 212     \directlua{tex.globaldefs = ltj.global_temp}% trick
 213   \else\ifhmode\ltj@@ihb\fi\fi}
 214 \def\ltj@@ihb{\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
 215
 216 %%%%%%%% \yoko, \tate, \ifydir, \iftdir
 217 %% At this moment, tategaki mode is not implemented;
 218 %% there is only yokogaki mode now.
 219 \let\yoko\relax
 220 \let\tate\relax
 221 \newif\ifydir\ydirtrue
 222 \newif\iftdir\tdirfalse
 223
 224 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
 225 \protected\def\ltjdefcharrange#1#2{%
 226   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
 227 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
 228   \ifx\ltj@temp\empty\let\@next=\relax\else
 229   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
 230 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
 231 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
 232   \ifx\ltj@temp\empty
 233     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
 234   \else
 235     \def\ltj@temp{#1}%
 236     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
 237     \def\ltj@temp{#2}%
 238     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
 239   \fi
 240   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
 241     \the\ltj@tempcntc)}%
 242   }
 243
 244 %%%%%%%% \ltjsetparameter
 245 \newcount\ltj@@stack \newcount\ltj@@group@level
 246 \ltj@@group@level=0 \ltj@@stack=0
 247
 248 % prebreakpenalty = {<char_code>, <penalty>}
 249 \define@key[ltj]{japaram}{kcatcode}{%
 250   \expandafter\ltj@@set@stack#1:{kcat}{0}{0x7FFFFFFF}}
 251 \define@key[ltj]{japaram}{prebreakpenalty}{%
 252   \expandafter\ltj@@set@stack#1:{pre}{-10000}{10000}}
 253 \define@key[ltj]{japaram}{postbreakpenalty}{%
 254   \expandafter\ltj@@set@stack#1:{post}{-10000}{10000}}
 255 \def\ltj@@set@stack#1,#2:#3#4#5{%
 256   \directlua{luatexja.stack.set_stack_table(ltj.isglobal, \asluastring{#3},
 257     \ltj@safe@num@or\ltj@defnum{#1},\ltj@safe@num@or\ltj@defnum{#2},#4,#5)}}
 258
 259 % jatextfont = {<char_code>, <font_cs>}
 260 \define@key[ltj]{japaram}{jatextfont}{%
 261   \expandafter\ltj@@set@stackfont#1:{mjtext}}
 262 \define@key[ltj]{japaram}{jascriptfont}{%
 263   \expandafter\ltj@@set@stackfont#1:{mjscr}}
 264 \define@key[ltj]{japaram}{jascriptscriptfont}{%
 265   \expandafter\ltj@@set@stackfont#1:{mjss}}
 266 \def\ltj@@set@stackfont#1,#2:#3{%
 267   \directlua{%
 268     ltj.global_temp = tex.globaldefs;
 269     tex.globaldefs = 0}%
 270   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
 271   \ifnum\ltj@curjfnt=-1
 272     \@PackageError{luatexja-core}%
 273     {\string#2 is not a control sequence that represents \MessageBreak
 274      a Japanese font}{}%
 275   \else
 276     \directlua{luatexja.stack.set_stack_font(ltj.isglobal, \asluastring{#3},
 277     \ltj@safe@num@or\ltj@defnum{#1}, \the\ltj@curjfnt)}%
 278   \fi
 279   \ltj@curjfnt=\ltj@tempcnta
 280   \directlua{tex.globaldefs = ltj.global_temp}%
 281   }
 282
 283 % yalbaselineshift = <dimen>
 284 % yjabaselineshift = <dimen>
 285 \define@key[ltj]{japaram}{yalbaselineshift}{%
 286   \directlua{tex.setattribute(ltj.isglobal,
 287     luatexbase.attributes['ltj@yablshift'],
 288     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
 289 \define@key[ltj]{japaram}{yjabaselineshift}{%
 290   \directlua{tex.setattribute(ltj.isglobal,
 291     luatexbase.attributes['ltj@ykblshift'],
 292     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
 293
 294 % jaxspmode = {<char_code>, <mode>}
 295 % mode: inhibit, preonly, postonly, allow
 296 %    or       0        2         1      3
 297 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
 298   \expandafter\ltj@set@jaxspmode#1:\relax}
 299 \def\ltj@set@jaxspmode#1,#2:{%
 300   \lowercase{\edef\ltj@temp{#2}}%
 301   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 302   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 303   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 304   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 305   \directlua{luatexja.stack.set_stack_table(ltj.isglobal, 'xsp',
 306     \ltj@safe@num@or\ltj@defnum{#1},
 307     \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
 308
 309 % alxspmode = {<char_code>, <mode>}
 310 % mode: inhibit, preonly, postonly, allow
 311 %    or       0        1         2      3
 312 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
 313   \expandafter\ltj@set@alxspmode#1:\relax}
 314 \def\ltj@set@alxspmode#1,#2:{%
 315   \lowercase{\edef\ltj@temp{#2}}%
 316   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
 317   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
 318   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
 319   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
 320   \directlua{luatexja.stack.set_stack_table(ltj.isglobal, 'xsp',
 321     \ltj@safe@num@or\ltj@defnum{#1},
 322     \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
 323
 324 % autospacing = <bool> (default: true)
 325 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
 326   \ifltj@japaram@autospacing
 327     \directlua{ltj.ext_print_global()}\ltj@autospc=1
 328   \else
 329     \directlua{ltj.ext_print_global()}\ltj@autospc=0
 330   \fi}
 331
 332 % autoxspacing = <bool> (default: true)
 333 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
 334   \ifltj@japaram@autoxspacing
 335     \directlua{ltj.ext_print_global()}\ltj@autoxspc=1
 336   \else
 337     \directlua{ltj.ext_print_global()}\ltj@autoxspc=0
 338   \fi}
 339
 340 % [x]]kanjiskip = <dimen>
 341 \define@key[ltj]{japaram}{kanjiskip}{%              % SKIP
 342   \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'kanjiskip', \ltj@safe@glue{#1})}}
 343 \define@key[ltj]{japaram}{xkanjiskip}{%             % SKIP
 344   \directlua{luatexja.stack.set_stack_skip(ltj.isglobal, 'xkanjiskip', \ltj@safe@glue{#1})}}
 345
 346 % jcharwidowpenalty = <count>
 347 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
 348   \ltj@@set@stack0,#1:{jwp}{-10000}{10000}}
 349
 350 % differentjfm = { large | small | average | both }
 351 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
 352   {large,small,average,both}{%
 353   \ifcase\ltj@tempr
 354     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
 355     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
 356     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
 357     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
 358   \fi
 359 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
 360   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
 361   and `both'. }}
 362   % large, small, average, both
 363
 364
 365 % jacharrange = { +-<range_number> }
 366 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
 367 \def\ltj@@scrange#1,{%
 368   \edef\ltj@temp{#1}%
 369   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
 370     \directlua{luatexja.charrange.toggle_char_range(%
 371       ltj.is_global,\ltj@safe@num@or\ltj@defnum{#1})}%
 372   \fi\next
 373 }
 374
 375 \protected\def\ltjsetparameter#1{%
 376   \ifnum\globaldefs>0\directlua{ltj.isglobal='global'}\else\directlua{ltj.isglobal=''}\fi
 377   \setkeys[ltj]{japaram}{#1}\ignorespaces}
 378 \protected\def\ltjglobalsetparameter#1{%
 379   \ifnum\globaldefs<0\directlua{ltj.isglobal=''}\else\directlua{ltj.isglobal='global'}\fi
 380   \setkeys[ltj]{japaram}{#1}\ignorespaces}
 381
 382 %%%%%%%% \ltjgetparameter
 383 \def\ltj@@decl@array@param#1{%
 384   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
 385 }
 386 \ltj@@decl@array@param{prebreakpenalty}
 387 \ltj@@decl@array@param{postbreakpenalty}
 388 \ltj@@decl@array@param{jaxspmode}
 389 \ltj@@decl@array@param{alxspmode}
 390 \ltj@@decl@array@param{kcatcode}
 391 \ltj@@decl@array@param{jacharrange}
 392 \ltj@@decl@array@param{chartorange}
 393 \def\ltjgetparameter#1{%
 394   \ifcsname ltj@@array@param/#1\endcsname
 395     \expandafter\ltx@firstoftwo
 396   \else
 397     \expandafter\ltx@secondoftwo
 398   \fi
 399   {\ltj@@getparam@two{#1}}%
 400   {\ltj@@getparam@one{#1}}%
 401 }
 402 \def\ltj@@getparam@one#1{%
 403   \directlua{ltj.ext_get_parameter_unary('#1')}}%
 404 \def\ltj@@getparam@two#1#2{%
 405   \directlua{ltj.ext_get_parameter_binary('#1', \ltj@safe@num{#2})}%
 406 }
 407
 408 %%%%%%%% \achar<number>, \kchar<number>
 409 \let\ltj@@origchar=\char
 410 \protected\def\kchar{\afterassignment\ltj@@kchar\ltj@tempcnta}
 411 \def\ltj@@kchar{{%
 412     \csname ltj@kcat0\endcsname=0
 413     \csname ltj@kcat1\endcsname=0
 414     \csname ltj@kcat2\endcsname=0
 415     \csname ltj@kcat3\endcsname=0
 416     \csname ltj@kcat4\endcsname=0
 417     \csname ltj@kcat5\endcsname=0
 418     \csname ltj@kcat6\endcsname=0
 419     \ltj@@origchar\ltj@tempcnta}}
 420 \protected\def\achar{\afterassignment\ltj@@achar\ltj@tempcnta}
 421 \def\ltj@@achar{{%
 422     \csname ltj@kcat0\endcsname="7FFFFFFF %"
 423     \csname ltj@kcat1\endcsname="7FFFFFFF %"
 424     \csname ltj@kcat2\endcsname="7FFFFFFF %"
 425     \csname ltj@kcat3\endcsname="7FFFFFFF %"
 426     \csname ltj@kcat4\endcsname="7FFFFFFF %"
 427     \csname ltj@kcat5\endcsname="7FFFFFFF %"
 428     \csname ltj@kcat6\endcsname="7FFFFFFF %"
 429     \ltj@@origchar\ltj@tempcnta}}
 430
 431
 432
 433
 434 %%------------------ Load module for the format
 435
 436 \ifltj@in@latex                 %<*LaTeX>
 437   \RequirePackage{luatexja-latex}[2011/04/01]
 438 \else\ifltj@in@plain            %<*plain>
 439   \input luatexja-plain.sty %
 440 \fi\fi                          %</LaTeX|plain>
 441
 442 %%------------------ all done
 443 \ltj@core@AtEnd
 444 \endinput
 445 %% EOF