4 ------------------------------------------------------------------------
5 local function load_lua(fn)
6 local found = kpse.find_file(fn, 'tex')
8 tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
10 texio.write_nl('(' .. found .. ')')
14 luatexja.load_lua = load_lua
15 function luatexja.load_module(name)
16 require('ltj-' .. name.. '.lua')
20 local setfield = node.direct.setfield
21 luatexja.setglue = node.direct.setglue or
22 function(g,w,st,sh,sto,sho)
23 setfield(g,'width', w or 0)
24 setfield(g,'stretch',st or 0)
25 setfield(g,'shrink', sh or 0)
26 setfield(g,'stretch_order',sto or 0)
27 setfield(g,'shrink_order', sho or 0)
29 local getfield = node.direct.getfield
30 luatexja.getglue = node.direct.getglue or
32 return getfield(g,'width'),
33 getfield(g,'stretch'),
35 getfield(g,'stretch_order'),
36 getfield(g,'shrink_order')
41 local icflag_table = {}
42 luatexja.icflag_table = icflag_table
43 icflag_table.ITALIC = 1
44 icflag_table.PACKED = 2
45 icflag_table.KINSOKU = 3
46 icflag_table.FROM_JFM = 4
47 -- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい)
49 icflag_table.KANJI_SKIP = 68 -- = 4+64
50 icflag_table.KANJI_SKIP_JFM = 69
51 icflag_table.XKANJI_SKIP = 70
52 icflag_table.XKANJI_SKIP_JFM = 71
53 icflag_table.LINEEND = 72
54 icflag_table.PROCESSED = 73
55 icflag_table.IC_PROCESSED = 74
56 icflag_table.BOXBDD = 75
57 icflag_table.PROCESSED_BEGIN_FLAG = 4096 -- sufficiently large power of 2
59 local stack_table_index = {}
60 luatexja.stack_table_index = stack_table_index
61 stack_table_index.PRE = 0x200000 -- characterごと
62 stack_table_index.POST = 0x400000 -- characterごと
63 stack_table_index.KCAT = 0x600000 -- characterごと
64 stack_table_index.XSP = 0x800000 -- characterごと
65 stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre
66 stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post
67 stack_table_index.JWP = 0 -- これだけ
68 stack_table_index.KSK = 1 -- これだけ
69 stack_table_index.XSK = 2 -- これだけ
70 stack_table_index.MJT = 0x100 -- 0--255
71 stack_table_index.MJS = 0x200 -- 0--255
72 stack_table_index.MJSS = 0x300 -- 0--255
73 stack_table_index.KSJ = 0x400 -- 0--9
75 local userid_table = {}
76 luatexja.userid_table = userid_table
77 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
78 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
79 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
80 userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
81 userid_table.BOXB = luatexbase.newuserwhatsitid('box_boundary', 'luatexja') -- 「ボックス始め・終わり」
82 userid_table.JA_AL_BDD = luatexbase.newuserwhatsitid('ja_al_boundary', 'luatexja')
85 luatexja.dir_table = dir_table
86 dir_table.dir_dtou = 1
87 dir_table.dir_tate = 3
88 dir_table.dir_yoko = 4
89 dir_table.dir_math_mod = 8
90 dir_table.dir_node_auto = 128 -- 組方向を合わせるために自動で作られたもの
91 dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
92 dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
93 -- 「縦数式ディレクション」 in pTeX
96 local load_module = luatexja.load_module
97 load_module('base'); local ltjb = luatexja.base
98 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
100 if luatexja_debug then load_module('debug') end
102 load_module('lotf_aux'); local ltju = luatexja.lotf_aux
103 load_module('charrange'); local ltjc = luatexja.charrange
104 load_module('stack'); local ltjs = luatexja.stack
105 load_module('direction'); local ltjd = luatexja.direction -- +1 hlist +1 attr_list
106 load_module('lineskip'); local ltjl = luatexja.lineskip -- +1 hlist +1 attr_list
107 load_module('jfont'); local ltjf = luatexja.jfont
108 load_module('inputbuf'); local ltji = luatexja.inputbuf
109 load_module('pretreat'); local ltjp = luatexja.pretreat
110 load_module('setwidth'); local ltjw = luatexja.setwidth
111 load_module('jfmglue'); local ltjj = luatexja.jfmglue -- +1 glue +1 gs +1 attr_list
112 load_module('math'); local ltjm = luatexja.math
113 load_module('base'); local ltjb = luatexja.base
116 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
117 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
118 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
119 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
120 local attr_icflag = luatexbase.attributes['ltj@icflag']
121 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
122 local attr_dir = luatexbase.attributes['ltj@dir']
123 local cat_lp = luatexbase.catcodetables['latex-package']
125 -- Three aux. functions, bollowed from tex.web
128 local floor = math.floor
130 local function print_scaled(s)
136 out=out..tostring(floor(s/unity)) .. '.'
139 if delta>unity then s=s+32768-50000 end
140 out=out .. tostring(floor(s/unity))
146 luatexja.print_scaled = print_scaled
148 local function print_glue(d,order)
149 local out=print_scaled(d)
153 out=out..'l'; order=order-1
161 local function print_spec(p)
162 local out=print_scaled(p.width)..'pt'
164 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
167 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
173 ------------------------------------------------------------------------
174 -- CODE FOR GETTING/SETTING PARAMETERS
175 ------------------------------------------------------------------------
177 -- EXT: print parameters that don't need arguments
179 local tex_getattr = tex.getattribute
180 local function getattr(a)
181 local r = tex.getattribute(a)
182 return (r==-0x7FFFFFFF) and 0 or r
184 luatexja.unary_pars = {
185 yalbaselineshift = function(t)
186 return print_scaled(getattr('ltj@yablshift'))..'pt'
188 yjabaselineshift = function(t)
189 return print_scaled(getattr('ltj@ykblshift'))..'pt'
191 talbaselineshift = function(t)
192 return print_scaled(getattr('ltj@tablshift'))..'pt'
194 tjabaselineshift = function(t)
195 return print_scaled(getattr('ltj@tkblshift'))..'pt'
197 kanjiskip = function(t)
198 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
200 xkanjiskip = function(t)
201 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
203 jcharwidowpenalty = function(t)
204 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
206 autospacing = function(t)
207 return getattr('ltj@autospc')
209 autoxspacing = function(t)
210 return getattr('ltj@autoxspc')
212 differentjfm = function(t)
213 local f, r = luatexja.jfmglue.diffmet_rule, '???'
214 if f == math.max then r = 'large'
215 elseif f == math.min then r = 'small'
216 elseif f == math.two_average then r = 'average'
217 elseif f == math.two_paverage then r = 'paverage'
218 elseif f == math.two_pleft then r = 'pleft'
219 elseif f == math.two_pright then r = 'pright'
220 elseif f == math.two_add then r = 'both'
224 direction = function()
225 local v = ltjd.get_dir_count()
226 if math.abs(tex.nest[tex.nest.ptr].mode) == ltjs.mmode and v == dir_table.dir_tate then
227 v = dir_table.dir_utod
231 adjustdir = ltjd.get_adjust_dir_count,
234 local unary_pars = luatexja.unary_pars
235 local scan_arg = token.scan_argument
236 function luatexja.ext_get_parameter_unary()
238 if unary_pars[k] then
239 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
241 ltjb.stop_time_measure('get_par')
246 -- EXT: print parameters that need arguments
248 luatexja.binary_pars = {
249 jacharrange = function(c, t)
250 if type(c)~='number' or c<-1 or c>31*ltjc.ATTR_RANGE then
251 -- 0, -1 はエラーにしない(隠し)
252 ltjb.package_error('luatexja',
253 'invalid character range number (' .. tostring(c) .. ')',
254 'A character range number should be in the range 1..'
255 .. 31*ltjc.ATTR_RANGE .. ",\n"..
256 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
257 c=0 -- external range 217 == internal range 0
258 elseif c==31*ltjc.ATTR_RANGE then c=0
260 -- 負の値は <U+0080 の文字の文字範囲,として出てくる.この時はいつも欧文文字なので 1 を返す
261 return (c<0) and 1 or ltjc.get_range_setting(c)
263 prebreakpenalty = function(c, t)
264 return ltjs.get_stack_table(stack_table_index.PRE
265 + ltjb.in_unicode(c, true), 0, t)
267 postbreakpenalty = function(c, t)
268 return ltjs.get_stack_table(stack_table_index.POST
269 + ltjb.in_unicode(c, true), 0, t)
271 kcatcode = function(c, t)
272 return ltjs.get_stack_table(stack_table_index.KCAT
273 + ltjb.in_unicode(c, false), 0, t)
275 chartorange = function(c, t)
276 return ltjc.char_to_range(ltjb.in_unicode(c, false))
278 jaxspmode = function(c, t)
279 return ltjs.get_stack_table(stack_table_index.XSP
280 + ltjb.in_unicode(c, true), 3, t)
282 boxdir = function(c, t)
283 if type(c)~='number' or c<0 or c>65535 then
284 ltjb.package_error('luatexja',
285 'Bad register code (' .. tostring(c) .. ')',
286 'A register must be between 0 and 65535.\n'..
287 'I changed this one to zero.')
290 return ltjd.get_register_dir(c)
293 local binary_pars = luatexja.binary_pars
294 local scan_arg, scan_int = token.scan_argument, token.scan_int
295 binary_pars.alxspmode = binary_pars.jaxspmode
296 function luatexja.ext_get_parameter_binary(k, c)
297 if binary_pars[k] then
298 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
300 ltjb.stop_time_measure('get_par')
304 -- EXT: print \global if necessary
305 function luatexja.ext_print_global()
306 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
312 local start_time_measure, stop_time_measure
313 = ltjb.start_time_measure, ltjb.stop_time_measure
314 local nullfunc = function (n) return n end
315 local to_node = node.direct.tonode
316 local to_direct = node.direct.todirect
317 local ensure_tex_attr = ltjb.ensure_tex_attr
319 -- mode = true iff main_process is called from pre_linebreak_filter
320 local function main_process(head, mode, dir, gc)
321 ensure_tex_attr(attr_icflag, 0)
322 if gc == 'fin_row' then return head
324 --luatexja.ext_show_node_list(head, 'T> ', print)
325 start_time_measure('jfmglue')
326 local p = ltjj.main(to_direct(head),mode, dir)
327 stop_time_measure('jfmglue')
332 local function adjust_icflag(h)
333 -- kern from luaotfload will have icflag = 1
334 -- (same as italic correction)
335 ensure_tex_attr(attr_icflag, 1)
340 ltjb.add_to_callback(
341 'pre_linebreak_filter',
342 function (head,groupcode)
343 return main_process(head, true, tex.textdir, groupcode)
345 luatexbase.priority_in_callback('pre_linebreak_filter', 'luaotfload.node_processor')+1)
346 ltjb.add_to_callback(
348 function (head,groupcode,size,packtype, dir)
349 return main_process(head, false, dir, groupcode)
351 luatexbase.priority_in_callback('hpack_filter', 'luaotfload.node_processor')+1)
352 ltjb.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
353 ltjb.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
358 function luatexja.ext_cleanup()
359 ltjf.cleanup_size_cache()
360 ltjd.remove_end_whatsit()
366 local id_glyph = node.id('glyph')
367 function luatexja.pltx_composite_last_node_char()
368 local n = tex.nest[tex.nest.ptr].tail
371 if n.id==id_glyph then
372 while n.componetns and n.subtype and n.subtype%4 >= 2 do
386 local node_type = node.type
387 local node_next = node.next
388 local has_attr = node.has_attribute
390 local id_penalty = node.id('penalty')
391 local id_glyph = node.id('glyph')
392 local id_glue = node.id('glue')
393 local id_kern = node.id('kern')
394 local id_hlist = node.id('hlist')
395 local id_vlist = node.id('vlist')
396 local id_rule = node.id('rule')
397 local id_math = node.id('math')
398 local id_whatsit = node.id('whatsit')
399 local sid_user = node.subtype('user_defined')
401 local function get_attr_icflag(p)
402 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
405 local prefix, inner_depth
406 local utfchar = utf.char
407 local function debug_show_node_X(p,print_fn, limit, inner_depth)
410 local pt=node_type(p.id)
411 local base = prefix .. string.format('%X', get_attr_icflag(p))
412 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
413 if pt == 'glyph' then
415 (p.char<0xF0000 and utfchar(p.char) or '')
416 .. string.format(' (U+%X) ', p.char)
417 .. tostring(p.font) .. ' (' .. print_scaled(p.height) .. '+'
418 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
419 if p.xoffset~=0 or p.yoffset~=0 then
420 s = s .. ' off: (' .. print_scaled(p.xoffset)
421 .. ',' .. print_scaled(p.yoffset) .. ')'
424 elseif pt=='hlist' or pt=='vlist' or pt=='unset'or pt=='ins' then
426 s = base .. '(' .. print_scaled(p.height) .. '+'
427 .. print_scaled(p.depth) .. ')'
428 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
430 s = base .. '(' .. print_scaled(p.height) .. '+'
431 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
432 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
434 if (p.shift or 0)~=0 then
435 s = s .. ', shifted ' .. print_scaled(p.shift)
437 if p.glue_set and p.glue_sign ==2 or ( p.glue_sign==1 and p.glue_set>0) then
438 s = s .. ' glue set '
439 if p.glue_sign == 2 then s = s .. '-' end
440 s = s .. tostring(floor(p.glue_set*10000)/10000)
441 if p.glue_order == 0 then
445 for i = 2, p.glue_order do s = s .. 'l' end
448 if get_attr_icflag(p) == icflag_table.PACKED then
452 local bid = inner_depth
453 prefix, inner_depth = prefix.. '.', inner_depth + 1
454 if inner_depth < limit then
455 for q in node.traverse(p.head) do
456 debug_show_node_X(q, print_fn, limit, inner_depth)
460 elseif pt=='rule' then
461 s = base .. '(' .. print_scaled(p.height) .. '+'
462 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
463 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
465 elseif pt=='disc' then
467 local bid = inner_depth
468 if inner_depth < limit then
469 prefix, inner_depth = k.. 'p.', inner_depth + 1
470 for q in node.traverse(p.pre) do
471 debug_show_node_X(q, print_fn, limit, inner_depth)
474 for q in node.traverse(p.post) do
475 debug_show_node_X(q, print_fn, limit, inner_depth)
478 for q in node.traverse(p.replace) do
479 debug_show_node_X(q, print_fn, limit, inner_depth)
483 elseif pt == 'glue' then
484 s = base .. ' ' .. print_spec(p)
485 if get_attr_icflag(p)>icflag_table.KINSOKU
486 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
487 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
488 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
489 s = s .. ' (kanjiskip)'
490 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
491 s = s .. ' (kanjiskip, JFM specified)'
492 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
493 s = s .. ' (xkanjiskip)'
494 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
495 s = s .. ' (xkanjiskip, JFM specified)'
498 elseif pt == 'kern' then
499 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
501 s = s .. ' (for accent)'
502 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
503 s = s .. ' (italic correction)'
504 elseif get_attr_icflag(p)==icflag_table.LINEEND then
505 s = s .. ' (end-of-line)'
506 -- elseif get_attr_icflag(p)==ITALIC then
507 -- s = s .. ' (italic correction)'
508 elseif get_attr_icflag(p)>icflag_table.KINSOKU
509 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
510 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
513 elseif pt == 'penalty' then
514 s = base .. ' ' .. tostring(p.penalty)
515 if get_attr_icflag(p)==icflag_table.KINSOKU then
516 s = s .. ' (for kinsoku)'
519 elseif pt == 'dir' then
520 s = base .. ' ' .. tostring(p.dir) .. ' (level ' .. tostring(p.level) .. ')'
522 elseif pt == 'whatsit' then
524 if p.subtype==sid_user then
525 local t = tostring(p.user_id) .. ' (' ..
526 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
527 if p.type ~= 110 then
528 s = s .. ' userid:' .. t .. p.value
531 s = s .. ' userid:' .. t .. '(node list)'
532 if p.user_id==userid_table.DIR then
533 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
536 local bid = inner_depth
537 prefix, inner_depth =prefix.. '.', inner_depth + 1
538 if inner_depth < limit then
539 for q in node.traverse(p.value) do
540 debug_show_node_X(q, print_fn, limit, inner_depth)
543 prefix, inner_depth = k, bid
546 s = s .. (node.subtype(p.subtype) or '')
548 s = s .. ' stream=' .. p.stream
551 print_fn(s .. ' [' .. i .. '] = ' .. tostring(p.data[i].csname))
557 -------- math node --------
558 elseif pt=='noad' then
559 s = base ; print_fn(s)
561 prefix = k .. 'N'; debug_show_node_X(p.nucleus, print_fn, limit, inner_depth);
564 prefix = k .. '^'; debug_show_node_X(p.sup, print_fn, limit, inner_depth);
567 prefix = k .. '_'; debug_show_node_X(p.sub, print_fn, limit, inner_depth);
570 elseif pt=='math_char' then
571 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utfchar(p.char)
573 elseif pt=='sub_box' or pt=='sub_mlist' then
577 for q in node.traverse(p.head) do
578 debug_show_node_X(q, print_fn, limit, inner_depth)
586 function luatexja.ext_show_node_list(head,depth,print_fn, lim)
591 debug_show_node_X(head, print_fn, lim or 1/0, inner_depth); head = node_next(head)
594 print_fn(prefix .. ' (null list)')
597 function luatexja.ext_show_node(head,depth,print_fn, lim)
601 debug_show_node_X(head, print_fn, lim or 1/0, inner_depth)
603 print_fn(prefix .. ' (null list)')