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[luatex-ja/luatexja.git] / 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}[2013/05/14 Core of LuaTeX-ja]
69 \fi                             %</LaTeX>
70
71 %% Load prerequisite packages.
72 \endlinechar=13 %
73 %! 外部パッケージは普通の \endlinechar で読まないと危険.
74 \ifltj@in@latex                 %<*LaTeX>
75   \RequirePackage{luaotfload} [2013/05/10] % v2.2
76   \RequirePackage{infwarerr}  [2010/04/08] % v1.3
77   \RequirePackage{ltxcmds}    [2011/11/09] % v1.22
78   \RequirePackage{pdftexcmds} [2011/11/29] % v0.20
79   \RequirePackage{xkeyval}    [2012/10/14] % v2.6b
80 \else                           %<*!LaTeX>
81   \input luaotfload.sty
82   \input infwarerr.sty
83   \input ltxcmds.sty
84   \input pdftexcmds.sty
85   \input xkeyval
86 \fi                             %</LaTeX>
87 \endlinechar=-1 %
88
89 %% Check if LuaTeX is used
90 \ltx@LocalExpandAfter\ifx\csname directlua\endcsname\relax
91   % Loading is silently aborted, since the notice of the wrong
92   % engine is aldready shown in otfluaload.
93   \ltj@core@AtEnd
94 \expandafter\endinput\fi\relax
95
96 %% Check LuaTeX version.
97 \ifnum\luatexversion<74
98   \@PackageError{luatexja-core}
99     {This LuaTeX engine is too old for this package;\MessageBreak
100      at least beta-0.74.0 is needed}
101     {Package loading is aborted now.\MessageBreak}
102 \expandafter\endinput\fi\relax
103
104 %! なお、luatexbase-compat の説明に従うと、LuaTeX 拡張プリミティブは
105 %! plain/LaTeX の両方で \luatex 付の名前(\directlua はそのまま)
106 %! で使えると考えてよい。
107
108 %% \LuaTeXjaAvailable
109 %! 環境検査にパスした時に定義される.
110 \let\LuaTeXjaAvailable=t %
111
112 %%------------------
113 \endlinechar=13
114 %! この中に master の luatexja-core.sty の内容を挿入する
115 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
116 % LuaTeX-ja core TeX source
117
118 \catcode"FFFFF=14 %"
119
120 \def\ltj@loaded{hoge}
121
122 \newdimen\ltj@zw
123 \newdimen\ltj@zh
124 \newdimen\jQ \jQ=0.25mm
125 \let\jH=\jQ
126
127 %%%%%%%% error message
128 \def\ltj@defnum{0}
129 \def\ltj@defdimen{0}
130
131 %%%%%%%% Attributes for Japanese typesetting.
132 \newluatexattribute\ltj@icflag    % attribute for italic correction
133 \newluatexattribute\ltj@curjfnt   % index for ``current Japanese font''
134 \newluatexattribute\ltj@origchar % 
135 \newluatexattribute\ltj@charclass % 
136 \newluatexattribute\ltj@autospc   % attribute for autospacing
137 \newluatexattribute\ltj@autoxspc  % attribute for autoxspacing
138 \newluatexattribute\ltj@yablshift % attribute for \yabaselineshift
139 \newluatexattribute\ltj@ykblshift % attribute for \ykbaselineshift
140 \newluatexattribute\jfam          % index for current jfam
141 \ltj@icflag=0\ltj@origchar=0
142
143 %%%%%%%% Attributes for character ranges
144 \newcount\ltj@tempcnta
145 \ltj@tempcnta=0
146 \loop\ifnum\ltj@tempcnta<7
147   \expandafter\newluatexattribute%
148     \csname ltj@kcat\the\ltj@tempcnta\endcsname
149   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
150   \advance\ltj@tempcnta by1
151 \repeat
152
153
154 %%%%%%%% Loading luatexja.lua
155 %% Quark tokens needed in ltj-base
156 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
157 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
158
159 \directlua{%
160   luatexja = {}
161   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
162       "File `luatexja.lua' not found"))
163 }
164
165 %% \RequireLuaTeXjaSubmodule{name}[date]
166 % A TeX version of luatexja.load_module(name)
167 % The second optional argument [date] is simply ignored.
168 \def\RequireLuaTeXjaSubmodule#1{%
169   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
170 \def\ltj@requirelua@submod#1[#2]{%
171   \directlua{luatexja.load_module(
172     "\luatexluaescapestring{#1}")}}
173
174
175 %%%%%%%% Load all sub-packages.
176 \ifltj@in@latex                 %<*LaTeX>
177   \RequirePackage{ltj-cctbreg}[2013/05/14]
178   \RequirePackage{ltj-base}   [2013/05/14]
179 \else                           %<*!LaTeX>
180   \input ltj-cctbreg.sty %
181   \input ltj-base.sty %
182 \fi                             %</LaTeX>
183
184 %%%%%%%% \asluastring
185 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
186
187 %%%%%%%% Redefine \/
188 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
189
190 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
191 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
192 \protected\def\globaljfont{%
193   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
194 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
195
196 %%%%%%%% \zw, \zh
197 \protected\def\zw{\directlua{luatexja.jfont.load_zw()}\ltj@zw}
198 \protected\def\zh{\directlua{luatexja.jfont.load_zh()}\ltj@zh}
199
200
201 %%%%%%%% \inhibitglue
202 \protected\def\ltj@reset@globaldefs{%
203   \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
204 \protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}}
205 \protected\def\inhibitglue{\ifhmode\ltj@@ihb\fi}
206 \def\ltj@@ihb{\relax\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
207
208 %%%%%%%% \yoko, \tate, \ifydir, \iftdir
209 %% At this moment, tategaki mode is not implemented; 
210 %% there is only yokogaki mode now.
211 \let\yoko\relax
212 \let\tate\relax
213 \newif\ifydir\ydirtrue
214 \newif\iftdir\tdirfalse
215
216 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
217 \protected\def\ltjdefcharrange#1#2{%
218   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
219 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
220   \ifx\ltj@temp\empty\let\@next=\relax\else
221   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
222 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
223 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
224   \ifx\ltj@temp\empty
225     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
226   \else
227     \def\ltj@temp{#1}%
228     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
229     \def\ltj@temp{#2}%
230     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
231   \fi
232   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
233     \the\ltj@tempcntc)}%
234   }
235
236 %%%%%%%% \ltjsetparameter
237 \newcount\ltj@@stack \newcount\ltj@@group@level
238 \ltj@@group@level=0 \ltj@@stack=0
239
240 \setbox0\hbox{%
241   \directlua{% This value depends on the version of LuaTeX.
242     luatexja.stack.hmode = -tex.nest[tex.nest.ptr].mode
243   }
244 }
245
246 % prebreakpenalty = {<char_code>, <penalty>}
247 \define@key[ltj]{japaram}{kcatcode}{%
248   \expandafter\ltj@@set@stack#1:{KCAT}{0}{0x7FFFFFFF}}
249 \define@key[ltj]{japaram}{prebreakpenalty}{%
250   \expandafter\ltj@@set@stack#1:{PRE}{-10000}{10000}}
251 \define@key[ltj]{japaram}{postbreakpenalty}{%
252   \expandafter\ltj@@set@stack#1:{POST}{-10000}{10000}}
253 \def\ltj@@set@stack#1,#2:#3#4#5{%
254   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, luatexja.stack_table_index.#3,
255     \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
256
257 % jatextfont = {<char_code>, <font_cs>}
258 \define@key[ltj]{japaram}{jatextfont}{%
259   \expandafter\ltj@@set@stackfont#1:{MJT}}
260 \define@key[ltj]{japaram}{jascriptfont}{%
261   \expandafter\ltj@@set@stackfont#1:{MJS}}
262 \define@key[ltj]{japaram}{jascriptscriptfont}{%
263   \expandafter\ltj@@set@stackfont#1:{MJSS}}
264 \protected\def\ltj@@set@stackfont#1,#2:#3{%
265   \ltj@reset@globaldefs
266   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
267   \ifnum\ltj@curjfnt=-1
268     \@PackageError{luatexja-core}%
269     {\string#2 is not a control sequence that represents \MessageBreak
270      a Japanese font}{}%
271   \else
272     \directlua{luatexja.stack.set_stack_font(luatexja.isglobal, 
273     luatexja.stack_table_index.#3,
274     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
275   \fi
276   \ltj@curjfnt=\ltj@tempcnta
277   \ltj@restore@globaldefs
278   }
279
280 % yalbaselineshift = <dimen>
281 % yjabaselineshift = <dimen>
282 \define@key[ltj]{japaram}{yalbaselineshift}{%
283   \directlua{tex.setattribute(luatexja.isglobal, 
284     luatexbase.attributes['ltj@yablshift'],
285     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
286 \define@key[ltj]{japaram}{yjabaselineshift}{%
287   \directlua{tex.setattribute(luatexja.isglobal, 
288     luatexbase.attributes['ltj@ykblshift'],
289     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
290
291 % jaxspmode = {<char_code>, <mode>}
292 % mode: inhibit, preonly, postonly, allow
293 %    or       0        1         2      3
294 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
295   \expandafter\ltj@set@jaxspmode#1:\relax}
296 \def\ltj@set@jaxspmode#1,#2:{%
297   \lowercase{\edef\ltj@temp{#2}}%
298   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
299   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
300   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
301   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
302   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal,
303     luatexja.stack_table_index.XSP,
304     \ltj@safe@num@or{nil}{#1},
305     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
306
307 % alxspmode = {<char_code>, <mode>}
308 % mode: inhibit, preonly, postonly, allow
309 %    or       0        1         2      3
310 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
311   \expandafter\ltj@set@alxspmode#1:\relax}
312 \def\ltj@set@alxspmode#1,#2:{%
313   \lowercase{\edef\ltj@temp{#2}}%
314   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
315   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
316   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
317   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
318   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal,
319     luatexja.stack_table_index.XSP,
320     \ltj@safe@num@or{nil}{#1},
321     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
322
323 % autospacing = <bool> (default: true)
324 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
325   \ifltj@japaram@autospacing
326     \directlua{luatexja.ext_print_global()}\ltj@autospc=1
327   \else
328     \directlua{luatexja.ext_print_global()}\ltj@autospc=0
329   \fi}
330
331 % autoxspacing = <bool> (default: true)
332 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
333   \ifltj@japaram@autoxspacing
334     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=1
335   \else
336     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=0
337   \fi}
338
339 % [x]]kanjiskip = <dimen>
340 \define@key[ltj]{japaram}{kanjiskip}{%              % SKIP
341   \directlua{luatexja.stack.set_stack_skip(luatexja.isglobal, 'kanjiskip', \ltj@safe@glue{#1})}}
342 \define@key[ltj]{japaram}{xkanjiskip}{%             % SKIP
343   \directlua{luatexja.stack.set_stack_skip(luatexja.isglobal, 'xkanjiskip', \ltj@safe@glue{#1})}}
344
345 % jcharwidowpenalty = <count>
346 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
347   \ltj@@set@stack0,#1:{JWP}{-10000}{10000}}
348
349 % differentjfm = { large | small | average | pleft | pright | paverage | both}
350 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
351   {large,small,average,pleft,pright,paverage,both}{%
352   \ifcase\ltj@tempr
353     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
354     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
355     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
356     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pleft}\or
357     \directlua{luatexja.jfmglue.diffmet_rule = math.two_pright}\or
358     \directlua{luatexja.jfmglue.diffmet_rule = math.two_paverage}\or
359     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
360   \fi
361 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
362   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
363   `pleft', `pright', 'paverage' or `both'. }}
364   % large, small, average, pleft, pright, paverage, both
365
366
367 % jacharrange = { +-<range_number> }
368 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
369 \def\ltj@@scrange#1,{%
370   \edef\ltj@temp{#1}%
371   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
372     \directlua{luatexja.charrange.toggle_char_range(%
373       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
374   \fi\next
375 }
376
377 \protected\def\ltj@setpar@global{%
378   \ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}\else\directlua{luatexja.isglobal=''}\fi
379 }
380 \protected\def\ltjsetparameter#1{%
381   \ltj@setpar@global\setkeys[ltj]{japaram}{#1}\ignorespaces}
382 \protected\def\ltjglobalsetparameter#1{%
383   \ifnum\globaldefs<0\directlua{luatexja.isglobal=''}\else\directlua{luatexja.isglobal='global'}\fi
384   \setkeys[ltj]{japaram}{#1}\ignorespaces}
385
386 %%%%%%%% \ltjgetparameter
387 \def\ltj@@decl@array@param#1{%
388   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
389 }
390 \ltj@@decl@array@param{prebreakpenalty}
391 \ltj@@decl@array@param{postbreakpenalty}
392 \ltj@@decl@array@param{jaxspmode}
393 \ltj@@decl@array@param{alxspmode}
394 \ltj@@decl@array@param{kcatcode}
395 \ltj@@decl@array@param{jacharrange}
396 \ltj@@decl@array@param{chartorange}
397 \def\ltjgetparameter#1{%
398   \ifcsname ltj@@array@param/#1\endcsname
399     \expandafter\ltx@firstoftwo
400   \else
401     \expandafter\ltx@secondoftwo
402   \fi
403   {\ltj@@getparam@two{#1}}%
404   {\ltj@@getparam@one{#1}}%
405 }
406 \def\ltj@@getparam@one#1{%
407   \directlua{luatexja.ext_get_parameter_unary('#1')}}%
408 \def\ltj@@getparam@two#1#2{%
409   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
410 }
411
412 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
413 \let\ltj@@origchar=\char
414 \protected\def\ltj@alljachar{\relax
415     \csname ltj@kcat0\endcsname=0
416     \csname ltj@kcat1\endcsname=0
417     \csname ltj@kcat2\endcsname=0
418     \csname ltj@kcat3\endcsname=0
419     \csname ltj@kcat4\endcsname=0
420     \csname ltj@kcat5\endcsname=0
421     \csname ltj@kcat6\endcsname=0 }
422 \protected\def\ltj@allalchar{\relax
423     \csname ltj@kcat0\endcsname="7FFFFFFF %"
424     \csname ltj@kcat1\endcsname="7FFFFFFF %"
425     \csname ltj@kcat2\endcsname="7FFFFFFF %"
426     \csname ltj@kcat3\endcsname="7FFFFFFF %"
427     \csname ltj@kcat4\endcsname="7FFFFFFF %"
428     \csname ltj@kcat5\endcsname="7FFFFFFF %"
429     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
430
431 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
432 \def\ltj@@jachar{{\directlua{tex.globaldefs = 0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
433 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
434 \def\ltj@@alchar{{\directlua{tex.globaldefs = 0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
435
436 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
437 \protected\def\ltjsetmathletter#1{\directlua{luatexja.math.is_math_letters[#1]=true}}
438 \protected\def\ltjunsetmathletter#1{\directlua{luatexja.math.is_math_letters[#1]=false}}
439
440 %%------------------ Load module for the format
441
442 \ifltj@in@latex                 %<*LaTeX>
443   \RequirePackage{ltj-latex}[2013/05/14]
444 \else\ifltj@in@plain            %<*plain>
445   \input ltj-plain.sty %
446 \fi\fi                          %</LaTeX|plain>
447
448 \newluatexcatcodetable\ltj@temp@cctb
449 \def\ltj@overwrite@catcodetable#1{%
450   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
451   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode"FFFFF=14}%
452 }
453 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
454 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
455 \ltj@overwrite@catcodetable\CatcodeTableExpl
456
457 %%------------------ all done
458 \ltj@core@AtEnd
459 \endinput
460 %% EOF