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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}[2012/04/20 v0.2]
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 \endlinechar=13
117 %! この中に master の luatexja-core.sty の内容を挿入する
118 %! ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓
119 % LuaTeX-ja core TeX source
120
121 \catcode"FFFFF=14 %"
122
123 \def\ltj@loaded{hoge}
124
125 \newdimen\ltj@zw
126 \newdimen\ltj@zh
127 \newdimen\jQ \jQ=0.25mm
128 \let\jH=\jQ
129
130 %%%%%%%% error message
131 \def\ltj@defnum{0}
132 \def\ltj@defdimen{0}
133
134 %%%%%%%% Attributes for Japanese typesetting.
135 \newluatexattribute\ltj@curjfnt   % index for ``current Japanese font''
136 \newluatexattribute\jfam          % index for current jfam
137 \newluatexattribute\ltj@uniqid    % unique id of box/paragraph
138 \newluatexattribute\ltj@charclass % 
139 \newluatexattribute\ltj@yablshift % attribute for \yabaselineshift
140 \newluatexattribute\ltj@ykblshift % attribute for \ykbaselineshift
141 \newluatexattribute\ltj@autospc   % attribute for autospacing
142 \ltj@autospc=0
143 \newluatexattribute\ltj@icflag    % attribute for italic correction
144
145 %%%%%%%% Attributes for character ranges
146 \newcount\ltj@tempcnta
147 \ltj@tempcnta=0
148 \loop\ifnum\ltj@tempcnta<7
149   \expandafter\newluatexattribute%
150     \csname ltj@kcat\the\ltj@tempcnta\endcsname
151   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
152   \advance\ltj@tempcnta by1
153 \repeat
154
155
156 %%%%%%%% Loading luatexja.lua
157 %% Quark tokens needed in ltj-base
158 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
159 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
160
161 \directlua{%
162   luatexja = {}
163   dofile(assert(kpse.find_file('luatexja.lua', 'tex'),
164       "File `luatexja.lua' not found"))
165 }
166
167 %% \RequireLuaTeXjaSubmodule{name}[date]
168 % A TeX version of luatexja.load_module(name)
169 % The second optional argument [date] is simply ignored.
170 \def\RequireLuaTeXjaSubmodule#1{%
171   \@ifnextchar[{\ltj@requirelua@submod{#1}}{\ltj@requirelua@submod{#1}[]}}
172 \def\ltj@requirelua@submod#1[#2]{%
173   \directlua{luatexja.load_module(
174     "\luatexluaescapestring{#1}")}}
175
176
177 %%%%%%%% Load all sub-packages.
178 \ifltj@in@latex                 %<*LaTeX>
179   \RequirePackage{ltj-cctbreg}[2012/04/21]
180   \RequirePackage{ltj-base}[2012/04/21]
181 \else                           %<*!LaTeX>
182   \input ltj-cctbreg.sty %
183   \input ltj-base.sty %
184 \fi                             %</LaTeX>
185
186
187 %%%%%%%% \asluastring
188 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
189
190 %%%%%%%% Redefine \/
191 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
192
193 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
194 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
195 \protected\def\globaljfont{%
196   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
197 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
198
199 %%%%%%%% \zw, \zh
200 \protected\def\zw{\directlua{luatexja.jfont.load_zw()}\ltj@zw}
201 \protected\def\zh{\directlua{luatexja.jfont.load_zh()}\ltj@zh}
202
203
204 %%%%%%%% \inhibitglue
205 \protected\def\ltj@reset@globaldefs{%
206   \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
207 \protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}}
208 \let\new@everypar=\everypar
209 \protected\def\inhibitglue{\ifhmode\ltj@@ihb\fi}
210 \def\ltj@@ihb{\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
211
212 %%%%%%%% \yoko, \tate, \ifydir, \iftdir
213 %% At this moment, tategaki mode is not implemented; 
214 %% there is only yokogaki mode now.
215 \let\yoko\relax
216 \let\tate\relax
217 \newif\ifydir\ydirtrue
218 \newif\iftdir\tdirfalse
219
220 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
221 \protected\def\ltjdefcharrange#1#2{%
222   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
223 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
224   \ifx\ltj@temp\empty\let\@next=\relax\else
225   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
226 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
227 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
228   \ifx\ltj@temp\empty
229     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
230   \else
231     \def\ltj@temp{#1}%
232     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
233     \def\ltj@temp{#2}%
234     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
235   \fi
236   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
237     \the\ltj@tempcntc)}%
238   }
239
240 %%%%%%%% \ltjsetparameter
241 \newcount\ltj@@stack \newcount\ltj@@group@level
242 \ltj@@group@level=0 \ltj@@stack=0
243
244 % prebreakpenalty = {<char_code>, <penalty>}
245 \define@key[ltj]{japaram}{kcatcode}{%
246   \expandafter\ltj@@set@stack#1:{kcat}{0}{0x7FFFFFFF}}
247 \define@key[ltj]{japaram}{prebreakpenalty}{%
248   \expandafter\ltj@@set@stack#1:{pre}{-10000}{10000}}
249 \define@key[ltj]{japaram}{postbreakpenalty}{%
250   \expandafter\ltj@@set@stack#1:{post}{-10000}{10000}}
251 \def\ltj@@set@stack#1,#2:#3#4#5{%
252   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, \asluastring{#3},
253     \ltj@safe@num@or{nil}{#1},\ltj@safe@num@or{nil}{#2},#4,#5)}}
254
255 % jatextfont = {<char_code>, <font_cs>}
256 \define@key[ltj]{japaram}{jatextfont}{%
257   \expandafter\ltj@@set@stackfont#1:{mjtext}}
258 \define@key[ltj]{japaram}{jascriptfont}{%
259   \expandafter\ltj@@set@stackfont#1:{mjscr}}
260 \define@key[ltj]{japaram}{jascriptscriptfont}{%
261   \expandafter\ltj@@set@stackfont#1:{mjss}}
262 \def\ltj@@set@stackfont#1,#2:#3{%
263   \ltj@reset@globaldefs
264   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
265   \ifnum\ltj@curjfnt=-1
266     \@PackageError{luatexja-core}%
267     {\string#2 is not a control sequence that represents \MessageBreak
268      a Japanese font}{}%
269   \else
270     \directlua{luatexja.stack.set_stack_font(luatexja.isglobal, \asluastring{#3},
271     \ltj@safe@num@or{nil}{#1}, \the\ltj@curjfnt)}%
272   \fi
273   \ltj@curjfnt=\ltj@tempcnta
274   \ltj@restore@globaldefs
275   }
276
277 % yalbaselineshift = <dimen>
278 % yjabaselineshift = <dimen>
279 \define@key[ltj]{japaram}{yalbaselineshift}{%
280   \directlua{tex.setattribute(luatexja.isglobal, 
281     luatexbase.attributes['ltj@yablshift'],
282     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
283 \define@key[ltj]{japaram}{yjabaselineshift}{%
284   \directlua{tex.setattribute(luatexja.isglobal, 
285     luatexbase.attributes['ltj@ykblshift'],
286     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
287
288 % jaxspmode = {<char_code>, <mode>}
289 % mode: inhibit, preonly, postonly, allow
290 %    or       0        1         2      3
291 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
292   \expandafter\ltj@set@jaxspmode#1:\relax}
293 \def\ltj@set@jaxspmode#1,#2:{%
294   \lowercase{\edef\ltj@temp{#2}}%
295   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
296   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
297   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
298   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
299   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, 'xsp', 
300     \ltj@safe@num@or{nil}{#1},
301     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
302
303 % alxspmode = {<char_code>, <mode>}
304 % mode: inhibit, preonly, postonly, allow
305 %    or       0        1         2      3
306 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
307   \expandafter\ltj@set@alxspmode#1:\relax}
308 \def\ltj@set@alxspmode#1,#2:{%
309   \lowercase{\edef\ltj@temp{#2}}%
310   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
311   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
312   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
313   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
314   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, 'xsp', 
315     \ltj@safe@num@or{nil}{#1},
316     \ltj@safe@num@or{nil}{\ltj@temp},0,3)}}
317
318 % autospacing = <bool> (default: true)
319 %% \numexpr 3/2\relax yields 2, so we use \numexpr (2*3-1)/4\relax to get [3/2].
320 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
321   \ifltj@japaram@autospacing
322     \directlua{luatexja.ext_print_global()}\ltj@autospc%
323       =\numexpr\ltj@autospc-((2*\the\ltj@autospc-1)/4)*2+2\relax
324   \else
325     \directlua{luatexja.ext_print_global()}\ltj@autospc%
326       =\numexpr\ltj@autospc-((2*\the\ltj@autospc-1)/4)*2\relax
327   \fi}
328
329 % autoxspacing = <bool> (default: true)
330 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
331   \ifltj@japaram@autoxspacing
332     \directlua{luatexja.ext_print_global()}\ltj@autospc%
333       =\numexpr((2*\the\ltj@autospc-1)/4)*2+1\relax
334   \else
335     \directlua{luatexja.ext_print_global()}\ltj@autospc%
336       =\numexpr((2*\the\ltj@autospc-1)/4)*2\relax
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 | both }
350 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
351   {large,small,average,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_add}
357   \fi
358 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
359   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
360   and `both'. }}
361   % large, small, average, both
362
363
364 % jacharrange = { +-<range_number> }
365 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
366 \def\ltj@@scrange#1,{%
367   \edef\ltj@temp{#1}%
368   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
369     \directlua{luatexja.charrange.toggle_char_range(%
370       luatexja.is_global,\ltj@safe@num@or{nil}{#1})}%
371   \fi\next
372 }
373
374 \protected\def\ltjsetparameter#1{%
375   \ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}\else\directlua{luatexja.isglobal=''}\fi
376   \setkeys[ltj]{japaram}{#1}\ignorespaces}
377 \protected\def\ltjglobalsetparameter#1{%
378   \ifnum\globaldefs<0\directlua{luatexja.isglobal=''}\else\directlua{luatexja.isglobal='global'}\fi
379   \setkeys[ltj]{japaram}{#1}\ignorespaces}
380
381 %%%%%%%% \ltjgetparameter
382 \def\ltj@@decl@array@param#1{%
383   \expandafter\let\csname ltj@@array@param/#1\endcsname=t%
384 }
385 \ltj@@decl@array@param{prebreakpenalty}
386 \ltj@@decl@array@param{postbreakpenalty}
387 \ltj@@decl@array@param{jaxspmode}
388 \ltj@@decl@array@param{alxspmode}
389 \ltj@@decl@array@param{kcatcode}
390 \ltj@@decl@array@param{jacharrange}
391 \ltj@@decl@array@param{chartorange}
392 \def\ltjgetparameter#1{%
393   \ifcsname ltj@@array@param/#1\endcsname
394     \expandafter\ltx@firstoftwo
395   \else
396     \expandafter\ltx@secondoftwo
397   \fi
398   {\ltj@@getparam@two{#1}}%
399   {\ltj@@getparam@one{#1}}%
400 }
401 \def\ltj@@getparam@one#1{%
402   \directlua{luatexja.ext_get_parameter_unary('#1')}}%
403 \def\ltj@@getparam@two#1#2{%
404   \directlua{luatexja.ext_get_parameter_binary('#1', \ltj@safe@num@or{nil}{#2})}%
405 }
406
407 %%%%%%%% \ltjalchar<number>, \ltjjachar<number>
408 \let\ltj@@origchar=\char
409 \protected\def\ltj@alljachar{\relax
410     \csname ltj@kcat0\endcsname=0
411     \csname ltj@kcat1\endcsname=0
412     \csname ltj@kcat2\endcsname=0
413     \csname ltj@kcat3\endcsname=0
414     \csname ltj@kcat4\endcsname=0
415     \csname ltj@kcat5\endcsname=0
416     \csname ltj@kcat6\endcsname=0 }
417 \protected\def\ltj@allalchar{\relax
418     \csname ltj@kcat0\endcsname="7FFFFFFF %"
419     \csname ltj@kcat1\endcsname="7FFFFFFF %"
420     \csname ltj@kcat2\endcsname="7FFFFFFF %"
421     \csname ltj@kcat3\endcsname="7FFFFFFF %"
422     \csname ltj@kcat4\endcsname="7FFFFFFF %"
423     \csname ltj@kcat5\endcsname="7FFFFFFF %"
424     \csname ltj@kcat6\endcsname="7FFFFFFF }%"
425
426 \protected\def\ltjjachar{\afterassignment\ltj@@jachar\ltj@tempcnta}
427 \def\ltj@@jachar{{\directlua{tex.globaldefs = 0}\ltj@alljachar\ltj@@origchar\ltj@tempcnta}}
428 \protected\def\ltjalchar{\afterassignment\ltj@@alchar\ltj@tempcnta}
429 \def\ltj@@alchar{{\directlua{tex.globaldefs = 0}\ltj@allalchar\ltj@@origchar\ltj@tempcnta}}
430
431 %%%%%%%% \ltjsetmathletter<number>, \ltjunsetmathletter<number>
432 \protected\def\ltjsetmathletter#1{\directlua{luatexja.math.is_math_letters[#1]=true}}
433 \protected\def\ltjunsetmathletter#1{\directlua{luatexja.math.is_math_letters[#1]=false}}
434
435 %%------------------ Load module for the format
436
437 \ifltj@in@latex                 %<*LaTeX>
438   \RequirePackage{ltj-latex}[2012/04/21]
439 \else\ifltj@in@plain            %<*plain>
440   \input ltj-plain.sty %
441 \fi\fi                          %</LaTeX|plain>
442
443 \newluatexcatcodetable\ltj@temp@cctb
444 \def\ltj@overwrite@catcodetable#1{%
445   \setluatexcatcodetable\ltj@temp@cctb{\luatexcatcodetable#1}%
446   \setluatexcatcodetable#1{\luatexcatcodetable\ltj@temp@cctb\catcode"FFFFF=14}%
447 }
448 \ltj@overwrite@catcodetable\CatcodeTableLaTeX
449 \ltj@overwrite@catcodetable\CatcodeTableLaTeXAtLetter
450 \ltj@overwrite@catcodetable\CatcodeTableExpl
451
452 %%------------------ all done
453 \ltj@core@AtEnd
454 \endinput
455 %% EOF