3 tableunpack = table.unpack
5 ------------------------------------------------------------------------
7 -- ext_... : called from \directlua{}
8 -- int_... : called from other Lua codes, but not from \directlua{}
9 -- (other) : only called from this file
10 function luatexja.load_module(name)
11 require('ltj-' .. name.. '.lua')
13 function luatexja.load_lua(fn)
14 local found = kpse.find_file(fn, 'tex')
16 tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
18 texio.write_nl('(' .. found .. ')')
24 local setfield = node.direct.setfield
25 luatexja.setglue = node.direct.setglue or
26 function(g,w,st,sh,sto,sho)
27 setfield(g,'width', w or 0)
28 setfield(g,'stretch',st or 0)
29 setfield(g,'shrink', sh or 0)
30 setfield(g,'stretch_order',sto or 0)
31 setfield(g,'shrink_order', sho or 0)
33 local getfield = node.direct.getfield
34 luatexja.getglue = node.direct.getglue or
36 return getfield(g,'width'),
37 getfield(g,'stretch'),
39 getfield(g,'stretch_order'),
40 getfield(g,'shrink_order')
45 local icflag_table = {}
46 luatexja.icflag_table = icflag_table
47 icflag_table.ITALIC = 1
48 icflag_table.PACKED = 2
49 icflag_table.KINSOKU = 3
50 icflag_table.FROM_JFM = 4
51 -- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい)
53 icflag_table.KANJI_SKIP = 68 -- = 4+64
54 icflag_table.KANJI_SKIP_JFM = 69
55 icflag_table.XKANJI_SKIP = 70
56 icflag_table.XKANJI_SKIP_JFM = 71
57 icflag_table.LINEEND = 72
58 icflag_table.PROCESSED = 73
59 icflag_table.IC_PROCESSED = 74
60 icflag_table.BOXBDD = 75
61 icflag_table.PROCESSED_BEGIN_FLAG = 4096 -- sufficiently large power of 2
63 local stack_table_index = {}
64 luatexja.stack_table_index = stack_table_index
65 stack_table_index.PRE = 0x200000 -- characterごと
66 stack_table_index.POST = 0x400000 -- characterごと
67 stack_table_index.KCAT = 0x600000 -- characterごと
68 stack_table_index.XSP = 0x800000 -- characterごと
69 stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre
70 stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post
71 stack_table_index.JWP = 0 -- これだけ
72 stack_table_index.KSK = 1 -- これだけ
73 stack_table_index.XSK = 2 -- これだけ
74 stack_table_index.MJT = 0x100 -- 0--255
75 stack_table_index.MJS = 0x200 -- 0--255
76 stack_table_index.MJSS = 0x300 -- 0--255
77 stack_table_index.KSJ = 0x400 -- 0--9
79 local userid_table = {}
80 luatexja.userid_table = userid_table
81 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
82 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
83 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
84 userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
87 luatexja.dir_table = dir_table
88 dir_table.dir_dtou = 1
89 dir_table.dir_tate = 3
90 dir_table.dir_yoko = 4
91 dir_table.dir_math_mod = 8
92 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
93 dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
94 dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
95 -- 「縦数式ディレクション」 in pTeX
98 local load_module = luatexja.load_module
99 load_module('base'); local ltjb = luatexja.base
100 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
102 if luatexja_debug then load_module('debug') end
104 load_module('charrange'); local ltjc = luatexja.charrange
105 load_module('stack'); local ltjs = luatexja.stack
106 load_module('direction'); local ltjd = luatexja.direction -- +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('tangle'); 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 luatexja.unary_pars = {
180 yalbaselineshift = function(t)
181 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
183 yjabaselineshift = function(t)
184 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
186 talbaselineshift = function(t)
187 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
189 tjabaselineshift = function(t)
190 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
192 kanjiskip = function(t)
193 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
195 xkanjiskip = function(t)
196 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
198 jcharwidowpenalty = function(t)
199 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
201 autospacing = function(t)
202 return tex.getattribute('ltj@autospc')
204 autoxspacing = function(t)
205 return tex.getattribute('ltj@autoxspc')
207 differentjfm = function(t)
208 local f, r = luatexja.jfmglue.diffmet_rule, '???'
209 if f == math.max then r = 'large'
210 elseif f == math.min then r = 'small'
211 elseif f == math.two_average then r = 'average'
212 elseif f == math.two_paverage then r = 'paverage'
213 elseif f == math.two_pleft then r = 'pleft'
214 elseif f == math.two_pright then r = 'pright'
215 elseif f == math.two_add then r = 'both'
219 direction = function()
220 local v = ltjd.get_dir_count()
221 if math.abs(tex.nest[tex.nest.ptr].mode) == ltjs.mmode and v == dir_table.dir_tate then
222 v = dir_table.dir_utod
226 adjustdir = ltjd.get_adjust_dir_count,
229 local unary_pars = luatexja.unary_pars
230 function luatexja.ext_get_parameter_unary(k)
231 if unary_pars[k] then
232 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
234 ltjb.stop_time_measure('get_par')
239 -- EXT: print parameters that need arguments
241 luatexja.binary_pars = {
242 jacharrange = function(c, t)
243 if type(c)~='number' or c<-1 or c>31*ltjc.ATTR_RANGE then
244 -- 0, -1 はエラーにしない(隠し)
245 ltjb.package_error('luatexja',
246 'invalid character range number (' .. tostring(c) .. ')',
247 'A character range number should be in the range 1..'
248 .. 31*ltjc.ATTR_RANGE .. ",\n"..
249 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
250 c=0 -- external range 217 == internal range 0
251 elseif c==31*ltjc.ATTR_RANGE then c=0
253 -- 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
254 return (c<0) and 1 or ltjc.get_range_setting(c)
256 prebreakpenalty = function(c, t)
257 return ltjs.get_stack_table(stack_table_index.PRE
258 + ltjb.in_unicode(c, true), 0, t)
260 postbreakpenalty = function(c, t)
261 return ltjs.get_stack_table(stack_table_index.POST
262 + ltjb.in_unicode(c, true), 0, t)
264 kcatcode = function(c, t)
265 return ltjs.get_stack_table(stack_table_index.KCAT
266 + ltjb.in_unicode(c, false), 0, t)
268 chartorange = function(c, t)
269 return ltjc.char_to_range(ltjb.in_unicode(c, false))
271 jaxspmode = function(c, t)
272 return ltjs.get_stack_table(stack_table_index.XSP
273 + ltjb.in_unicode(c, true), 3, t)
275 boxdir = function(c, t)
276 if type(c)~='number' or c<0 or c>65535 then
277 ltjb.package_error('luatexja',
278 'Bad register code (' .. tostring(c) .. ')',
279 'A register must be between 0 and 65535.\n'..
280 'I changed this one to zero.')
283 return ltjd.get_register_dir(c)
286 local binary_pars = luatexja.binary_pars
288 binary_pars.alxspmode = binary_pars.jaxspmode
289 function luatexja.ext_get_parameter_binary(k,c)
290 if binary_pars[k] then
291 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
293 ltjb.stop_time_measure('get_par')
297 -- EXT: print \global if necessary
298 function luatexja.ext_print_global()
299 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
305 local start_time_measure, stop_time_measure
306 = ltjb.start_time_measure, ltjb.stop_time_measure
307 local nullfunc = function (n) return n end
308 local to_node = node.direct.tonode
309 local to_direct = node.direct.todirect
310 local ensure_tex_attr = ltjb.ensure_tex_attr
312 -- mode = true iff main_process is called from pre_linebreak_filter
313 local function main_process(head, mode, dir, gc)
314 ensure_tex_attr(attr_icflag, 0)
315 if gc == 'fin_row' then return head
317 --luatexja.ext_show_node_list(head, 'T> ', print)
318 start_time_measure('jfmglue')
319 local p = ltjj.main(to_direct(head),mode, dir)
320 stop_time_measure('jfmglue')
325 local function adjust_icflag(h)
326 -- kern from luaotfload will have icflag = 1
327 -- (same as italic correction)
328 ensure_tex_attr(attr_icflag, 1)
333 ltjb.add_to_callback(
334 'pre_linebreak_filter',
335 function (head,groupcode)
336 return main_process(head, true, tex.textdir, groupcode)
338 luatexbase.priority_in_callback('pre_linebreak_filter', 'luaotfload.node_processor')+1)
339 ltjb.add_to_callback(
341 function (head,groupcode,size,packtype, dir)
342 return main_process(head, false, dir, groupcode)
344 luatexbase.priority_in_callback('hpack_filter', 'luaotfload.node_processor')+1)
345 ltjb.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
346 ltjb.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
351 function luatexja.ext_cleanup()
352 ltjf.cleanup_size_cache()
353 ltjd.remove_end_whatsit()
359 local id_glyph = node.id('glyph')
360 function luatexja.pltx_composite_last_node_char()
361 local n = tex.nest[tex.nest.ptr].tail
364 if n.id==id_glyph then
365 while n.componetns and n.subtype and n.subtype%4 >= 2 do
379 local node_type = node.type
380 local node_next = node.next
381 local has_attr = node.has_attribute
383 local id_penalty = node.id('penalty')
384 local id_glyph = node.id('glyph')
385 local id_glue = node.id('glue')
386 local id_kern = node.id('kern')
387 local id_hlist = node.id('hlist')
388 local id_vlist = node.id('vlist')
389 local id_rule = node.id('rule')
390 local id_math = node.id('math')
391 local id_whatsit = node.id('whatsit')
392 local sid_user = node.subtype('user_defined')
394 local function get_attr_icflag(p)
395 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
398 local prefix, inner_depth
400 local function debug_show_node_X(p,print_fn, limit)
403 local pt=node_type(p.id)
404 local base = prefix .. string.format('%X', get_attr_icflag(p))
405 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
406 if pt == 'glyph' then
407 s = base .. ' ' .. utf.char(p.char) .. ' '
409 .. ' (' .. print_scaled(p.height) .. '+'
410 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
411 .. ' off: (' .. print_scaled(p.xoffset)
412 .. ',' .. print_scaled(p.yoffset) .. ')'
414 elseif pt=='hlist' or pt=='vlist' or pt=='unset'or pt=='ins' then
416 s = base .. '(' .. print_scaled(p.height) .. '+'
417 .. print_scaled(p.depth) .. ')'
418 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
420 s = base .. '(' .. print_scaled(p.height) .. '+'
421 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
422 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
424 if (p.shift or 0)~=0 then
425 s = s .. ', shifted ' .. print_scaled(p.shift)
427 if p.glue_set and p.glue_sign ==2 or ( p.glue_sign==1 and p.glue_set>0) then
428 s = s .. ' glue set '
429 if p.glue_sign == 2 then s = s .. '-' end
430 s = s .. tostring(floor(p.glue_set*10000)/10000)
431 if p.glue_order == 0 then
435 for i = 2, p.glue_order do s = s .. 'l' end
438 if get_attr_icflag(p) == icflag_table.PACKED then
442 local bid = inner_depth
443 prefix, inner_depth = prefix.. '.', inner_depth + 1
444 if inner_depth < limit then
445 for q in node.traverse(p.head) do
446 debug_show_node_X(q, print_fn, limit)
450 elseif pt=='rule' then
451 s = base .. '(' .. print_scaled(p.height) .. '+'
452 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
453 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
455 elseif pt == 'glue' then
456 s = base .. ' ' .. print_spec(p)
457 if get_attr_icflag(p)>icflag_table.KINSOKU
458 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
459 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
460 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
461 s = s .. ' (kanjiskip)'
462 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
463 s = s .. ' (kanjiskip, JFM specified)'
464 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
465 s = s .. ' (xkanjiskip)'
466 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
467 s = s .. ' (xkanjiskip, JFM specified)'
470 elseif pt == 'kern' then
471 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
473 s = s .. ' (for accent)'
474 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
475 s = s .. ' (italic correction)'
476 elseif get_attr_icflag(p)==icflag_table.LINEEND then
477 s = s .. ' (end-of-line)'
478 -- elseif get_attr_icflag(p)==ITALIC then
479 -- s = s .. ' (italic correction)'
480 elseif get_attr_icflag(p)>icflag_table.KINSOKU
481 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
482 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
485 elseif pt == 'penalty' then
486 s = base .. ' ' .. tostring(p.penalty)
487 if get_attr_icflag(p)==icflag_table.KINSOKU then
488 s = s .. ' (for kinsoku)'
491 elseif pt == 'whatsit' then
493 if p.subtype==sid_user then
494 local t = tostring(p.user_id) .. ' (' ..
495 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
496 if p.type ~= 110 then
497 s = s .. ' userid:' .. t .. p.value
500 s = s .. ' userid:' .. t .. '(node list)'
501 if p.user_id==userid_table.DIR then
502 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
505 local bid = inner_depth
506 prefix, inner_depth =prefix.. '.', inner_depth + 1
507 if inner_depth < limit then
508 for q in node.traverse(p.value) do
509 debug_show_node_X(q, print_fn, limit)
512 prefix, inner_depth = k, bid
515 s = s .. (node.subtype(p.subtype) or '')
517 s = s .. ' stream=' .. p.stream
520 print_fn(s .. ' [' .. i .. '] = ' .. tostring(p.data[i].csname))
526 -------- math node --------
527 elseif pt=='noad' then
528 s = base ; print_fn(s)
530 prefix = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
533 prefix = k .. '^'; debug_show_node_X(p.sup, print_fn);
536 prefix = k .. '_'; debug_show_node_X(p.sub, print_fn);
539 elseif pt=='math_char' then
540 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
542 elseif pt=='sub_box' or pt=='sub_mlist' then
546 for q in node.traverse(p.head) do
547 debug_show_node_X(q, print_fn)
555 function luatexja.ext_show_node_list(head,depth,print_fn, lim)
560 debug_show_node_X(head, print_fn, lim or 1/0); head = node_next(head)
563 print_fn(prefix .. ' (null list)')
566 function luatexja.ext_show_node(head,depth,print_fn, lim)
570 debug_show_node_X(head, print_fn, lim or 1/0)
572 print_fn(prefix .. ' (null list)')