OSDN Git Service

18936df3695f23b2107b2d7d94c48de11be0cbab
[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 \newluatexattribute\ltj@autoxspc  % attribute for autoxspacing
143 \newluatexattribute\ltj@icflag    % attribute for italic correction
144
145 %%%%%%%% Loading luatexja.lua
146 %% Quark tokens needed in ltj-base
147 \protected\def\ltj@@q@escape{\ltj@@q@escape@}
148 \protected\def\ltj@@q@escapenum{\ltj@@q@escapenum@}
149
150 \directlua{%
151   luatexja = {}
152   function luatexja.error(s,t)
153     tex.error('LuaTeX-ja error: ' .. s ,t) 
154   end
155   function luatexja.load_module(name)
156      local fn = 'ltj-' .. name .. '.lua'
157      local found = kpse.find_file(fn, 'tex')
158      if not found then
159         luatexja.error("File `" .. fn .. "' not found", 
160               {'This file ' .. fn .. ' is required for LuaTeX-ja.', 'Please check your installation.'})
161      else 
162         texio.write('(' .. found .. ')')
163         require(found)
164      end
165   end
166   local path = assert(kpse.find_file('luatexja.lua', 'tex'),
167       "File `luatexja.lua' not found")
168   dofile(path)
169 }
170
171 %%%%%%%% Load all sub-packages.
172 \ifltj@in@latex                 %<*LaTeX>
173   \RequirePackage{luatexja-cctbreg}[2011/04/01]
174   \RequirePackage{luatexja-base}[2011/04/20]
175 \else                           %<*!LaTeX>
176   \input luatexja-cctbreg.sty %
177   \input luatexja-base.sty %
178 \fi                             %</LaTeX>
179
180
181 %%%%%%%% Attributes for character ranges
182 \ltj@tempcnta=0
183 \loop\ifnum\ltj@tempcnta<7
184   \expandafter\newluatexattribute%
185     \csname ltj@kcat\the\ltj@tempcnta\endcsname
186   \csname ltj@kcat\the\ltj@tempcnta\endcsname=0
187   \advance\ltj@tempcnta by1
188 \repeat
189
190 %%%%%%%% \asluastring
191 \def\asluastring#1{'\luaescapestring{\detokenize{#1}}'}
192
193 %%%%%%%% Redefine \/
194 \protected\def\/{\relax\directlua{luatexja.jfont.append_italic()}}
195
196 %%%%%%%% \jfont\CS={...:...;jfm=metric;...}, \globaljfont
197 \protected\def\jfont{\afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(false)}}
198 \protected\def\globaljfont{%
199   \afterassignment\ltj@@jfont\directlua{luatexja.jfont.jfontdefX(true)}}
200 \def\ltj@@jfont{\directlua{luatexja.jfont.jfontdefY()}}
201
202 %%%%%%%% \zw, \zh
203 \def\zw{\directlua{luatexja.jfont.load_zw()}\ltj@zw}
204 \def\zh{\directlua{luatexja.jfont.load_zh()}\ltj@zh}
205
206
207 %%%%%%%% \inhibitglue
208 \protected\def\ltj@reset@globaldefs{%
209   \directlua{luatexja.global_temp = tex.globaldefs; tex.globaldefs = 0}}
210 \protected\def\ltj@restore@globaldefs{\directlua{tex.globaldefs = luatexja.global_temp}}
211 \let\new@everypar=\everypar
212 \protected\def\inhibitglue{\relax%
213   \ifvmode
214     \ltj@reset@globaldefs
215     \xdef\@@tempa{\the\everypar}%
216     \xdef\@@tempb{\everypar={\@@tempa}\@@tempa\noexpand\ltj@@ihb}%
217     \everypar\expandafter{\@@tempb}%
218     \ltj@restore@globaldefs
219   \else\ifhmode\ltj@@ihb\fi\fi}
220 \def\ltj@@ihb{\directlua{luatexja.jfmglue.create_inhibitglue_node()}}
221
222 %%%%%%%% \yoko, \tate, \ifydir, \iftdir
223 %% At this moment, tategaki mode is not implemented; 
224 %% there is only yokogaki mode now.
225 \let\yoko\relax
226 \let\tate\relax
227 \newif\ifydir\ydirtrue
228 \newif\iftdir\tdirfalse
229
230 %%%%%%%% \ltjdefcharrange<name>{100-200,3000-,5000,...}
231 \protected\def\ltjdefcharrange#1#2{%
232   {\ltj@tempcntc=#1 \expandafter\ltj@@dcrange#2,,}\ignorespaces}
233 \def\ltj@@dcrange#1,{\def\ltj@temp{#1}%
234   \ifx\ltj@temp\empty\let\@next=\relax\else
235   \ltj@@dcrangeA{#1}\let\@next=\ltj@@dcrange\fi\@next}
236 \def\ltj@@dcrangeA#1{\ltj@@dcrangeB#1--\@nil}
237 \def\ltj@@dcrangeB#1-#2-#3\@nil{\def\ltj@temp{#3}%
238   \ifx\ltj@temp\empty
239     \ltj@tempcnta=#1 \ltj@tempcntb=\ltj@tempcnta
240   \else
241     \def\ltj@temp{#1}%
242     \ifx\ltj@temp\empty\ltj@tempcnta='200\else\ltj@tempcnta=#1\fi\relax
243     \def\ltj@temp{#2}%
244     \ifx\ltj@temp\empty\ltj@tempcntb="10FFFF\else\ltj@tempcntb=#2\fi\relax%"
245   \fi
246   \directlua{luatexja.charrange.add_char_range(\the\ltj@tempcnta,\the\ltj@tempcntb,
247     \the\ltj@tempcntc)}%
248   }
249
250 %%%%%%%% \ltjsetparameter
251 \newcount\ltj@@stack \newcount\ltj@@group@level
252 \ltj@@group@level=0 \ltj@@stack=0
253
254 % prebreakpenalty = {<char_code>, <penalty>}
255 \define@key[ltj]{japaram}{kcatcode}{%
256   \expandafter\ltj@@set@stack#1:{kcat}{0}{0x7FFFFFFF}}
257 \define@key[ltj]{japaram}{prebreakpenalty}{%
258   \expandafter\ltj@@set@stack#1:{pre}{-10000}{10000}}
259 \define@key[ltj]{japaram}{postbreakpenalty}{%
260   \expandafter\ltj@@set@stack#1:{post}{-10000}{10000}}
261 \def\ltj@@set@stack#1,#2:#3#4#5{%
262   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, \asluastring{#3},
263     \ltj@safe@num@or\ltj@defnum{#1},\ltj@safe@num@or\ltj@defnum{#2},#4,#5)}}
264
265 % jatextfont = {<char_code>, <font_cs>}
266 \define@key[ltj]{japaram}{jatextfont}{%
267   \expandafter\ltj@@set@stackfont#1:{mjtext}}
268 \define@key[ltj]{japaram}{jascriptfont}{%
269   \expandafter\ltj@@set@stackfont#1:{mjscr}}
270 \define@key[ltj]{japaram}{jascriptscriptfont}{%
271   \expandafter\ltj@@set@stackfont#1:{mjss}}
272 \def\ltj@@set@stackfont#1,#2:#3{%
273   \ltj@reset@globaldefs
274   \ltj@tempcnta=\ltj@curjfnt\ltj@curjfnt=-1 #2%
275   \ifnum\ltj@curjfnt=-1
276     \@PackageError{luatexja-core}%
277     {\string#2 is not a control sequence that represents \MessageBreak
278      a Japanese font}{}%
279   \else
280     \directlua{luatexja.stack.set_stack_font(luatexja.isglobal, \asluastring{#3},
281     \ltj@safe@num@or\ltj@defnum{#1}, \the\ltj@curjfnt)}%
282   \fi
283   \ltj@curjfnt=\ltj@tempcnta
284   \ltj@restore@globaldefs
285   }
286
287 % yalbaselineshift = <dimen>
288 % yjabaselineshift = <dimen>
289 \define@key[ltj]{japaram}{yalbaselineshift}{%
290   \directlua{tex.setattribute(luatexja.isglobal, 
291     luatexbase.attributes['ltj@yablshift'],
292     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
293 \define@key[ltj]{japaram}{yjabaselineshift}{%
294   \directlua{tex.setattribute(luatexja.isglobal, 
295     luatexbase.attributes['ltj@ykblshift'],
296     \ltj@safe@dimen@or\ltj@defdimen{#1})}}
297
298 % jaxspmode = {<char_code>, <mode>}
299 % mode: inhibit, preonly, postonly, allow
300 %    or       0        1         2      3
301 \define@key[ltj]{japaram}{jaxspmode}{%        \inhibitxspcode
302   \expandafter\ltj@set@jaxspmode#1:\relax}
303 \def\ltj@set@jaxspmode#1,#2:{%
304   \lowercase{\edef\ltj@temp{#2}}%
305   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
306   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
307   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
308   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
309   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, 'xsp', 
310     \ltj@safe@num@or\ltj@defnum{#1},
311     \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
312
313 % alxspmode = {<char_code>, <mode>}
314 % mode: inhibit, preonly, postonly, allow
315 %    or       0        1         2      3
316 \define@key[ltj]{japaram}{alxspmode}{%        \inhibitxspcode
317   \expandafter\ltj@set@alxspmode#1:\relax}
318 \def\ltj@set@alxspmode#1,#2:{%
319   \lowercase{\edef\ltj@temp{#2}}%
320   \def\ltj@tempa{inhibit}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{0}\fi
321   \def\ltj@tempa{preonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{1}\fi
322   \def\ltj@tempa{postonly}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{2}\fi
323   \def\ltj@tempa{allow}\ifx\ltj@temp\ltj@tempa\def\ltj@temp{3}\fi
324   \directlua{luatexja.stack.set_stack_table(luatexja.isglobal, 'xsp', 
325     \ltj@safe@num@or\ltj@defnum{#1},
326     \ltj@safe@num@or\ltj@defnum{\ltj@temp},0,3)}}
327
328 % autospacing = <bool> (default: true)
329 \define@boolkey[ltj]{japaram}{autospacing}[true]{%
330   \ifltj@japaram@autospacing
331     \directlua{luatexja.ext_print_global()}\ltj@autospc=1
332   \else
333     \directlua{luatexja.ext_print_global()}\ltj@autospc=0
334   \fi}
335
336 % autoxspacing = <bool> (default: true)
337 \define@boolkey[ltj]{japaram}{autoxspacing}[true]{%
338   \ifltj@japaram@autoxspacing
339     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=1
340   \else
341     \directlua{luatexja.ext_print_global()}\ltj@autoxspc=0
342   \fi}
343
344 % [x]]kanjiskip = <dimen>
345 \define@key[ltj]{japaram}{kanjiskip}{%              % SKIP
346   \directlua{luatexja.stack.set_stack_skip(luatexja.isglobal, 'kanjiskip', \ltj@safe@glue{#1})}}
347 \define@key[ltj]{japaram}{xkanjiskip}{%             % SKIP
348   \directlua{luatexja.stack.set_stack_skip(luatexja.isglobal, 'xkanjiskip', \ltj@safe@glue{#1})}}
349
350 % jcharwidowpenalty = <count>
351 \define@key[ltj]{japaram}{jcharwidowpenalty}{%      %COUNT
352   \ltj@@set@stack0,#1:{jwp}{-10000}{10000}}
353
354 % differentjfm = { large | small | average | both }
355 \define@choicekey*+[ltj]{japaram}{differentjfm}[\ltj@temp\ltj@tempr]%
356   {large,small,average,both}{%
357   \ifcase\ltj@tempr
358     \directlua{luatexja.jfmglue.diffmet_rule = math.max}\or
359     \directlua{luatexja.jfmglue.diffmet_rule = math.min}\or
360     \directlua{luatexja.jfmglue.diffmet_rule = math.two_average}\or
361     \directlua{luatexja.jfmglue.diffmet_rule = math.two_add}
362   \fi
363 }{\ltj@PackageError{luatexja}{invalid argument `#1' for `differentjfm'}{%
364   Argument for `differentjfm' must be one of `large', `small', `average',^^J%
365   and `both'. }}
366   % large, small, average, both
367
368
369 % jacharrange = { +-<range_number> }
370 \define@key[ltj]{japaram}{jacharrange}{\expandafter\ltj@@scrange#1,,}
371 \def\ltj@@scrange#1,{%
372   \edef\ltj@temp{#1}%
373   \ifx\ltj@temp\empty\let\next=\relax\else\let\next=\ltj@@scrange
374     \directlua{luatexja.charrange.toggle_char_range(%
375       luatexja.is_global,\ltj@safe@num@or\ltj@defnum{#1})}%
376   \fi\next
377 }
378
379 \protected\def\ltjsetparameter#1{%
380   \ifnum\globaldefs>0\directlua{luatexja.isglobal='global'}\else\directlua{luatexja.isglobal=''}\fi
381   \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{#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 \def\ltjsetmathletter#1{\directlua{luatexja.math.is_math_letters[#1]=true}}
438 \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{luatexja-latex}[2011/04/01]
444 \else\ifltj@in@plain            %<*plain>
445   \input luatexja-plain.sty %
446 \fi\fi                          %</LaTeX|plain>
447
448 %%------------------ all done
449 \ltj@core@AtEnd
450 \endinput
451 %% EOF