4 ------------------------------------------------------------------------
6 -- ext_... : called from \directlua{}
7 -- int_... : called from other Lua codes, but not from \directlua{}
8 -- (other) : only called from this file
9 function luatexja.load_module(name)
10 require('ltj-' .. name.. '.lua')
12 function luatexja.load_lua(fn)
13 local found = kpse.find_file(fn, 'tex')
15 tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
17 texio.write_nl('(' .. found .. ')')
23 local icflag_table = {}
24 luatexja.icflag_table = icflag_table
25 icflag_table.ITALIC = 1
26 icflag_table.PACKED = 2
27 icflag_table.KINSOKU = 3
28 icflag_table.FROM_JFM = 6
29 -- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい)
31 icflag_table.KANJI_SKIP = 9
32 icflag_table.KANJI_SKIP_JFM = 10
33 icflag_table.XKANJI_SKIP = 11
34 icflag_table.XKANJI_SKIP_JFM = 12
35 icflag_table.PROCESSED = 13
36 icflag_table.IC_PROCESSED = 14
37 icflag_table.BOXBDD = 15
38 icflag_table.PROCESSED_BEGIN_FLAG = 128
40 local stack_table_index = {}
41 luatexja.stack_table_index = stack_table_index
42 stack_table_index.PRE = 0x200000 -- characterごと
43 stack_table_index.POST = 0x400000 -- characterごと
44 stack_table_index.KCAT = 0x600000 -- characterごと
45 stack_table_index.XSP = 0x800000 -- characterごと
46 stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre
47 stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post
48 stack_table_index.JWP = 0 -- これだけ
49 stack_table_index.KSK = 1 -- これだけ
50 stack_table_index.XSK = 2 -- これだけ
51 stack_table_index.MJT = 0x100 -- 0--255
52 stack_table_index.MJS = 0x200 -- 0--255
53 stack_table_index.MJSS = 0x300 -- 0--255
54 stack_table_index.KSJ = 0x400 -- 0--9
56 local userid_table = {}
57 luatexja.userid_table = userid_table
58 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
59 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
60 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
61 userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
64 luatexja.dir_table = dir_table
65 dir_table.dir_dtou = 1
66 dir_table.dir_tate = 3
67 dir_table.dir_yoko = 4
68 dir_table.dir_math_mod = 8 -- 組方向を合わせるために自動で作られたもの
69 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
70 dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
71 dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
72 -- 「縦数式ディレクション」 in pTeX
75 ------------------------------------------------------------------------
77 ------------------------------------------------------------------------
79 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
80 function luatexja.node_remove (head, current)
82 local q, r = node_next(current), node_prev(current)
83 if q then q.prev = r end
84 if r and node_next(r)==current then
89 return node_remove(head, current)
92 local Dnode = node.direct or node
94 local Dnode_remove, setfield = Dnode.remove, Dnode.setfield
95 local Dnode_next, Dnode_prev = Dnode.getnext, Dnode.getprev
96 function luatexja.Dnode_remove (head, current)
98 local q, r = Dnode_next(current), Dnode_prev(current)
99 if q then setfield(q, 'prev', r) end
100 if r and Dnode_next(r) == current then
101 setfield(r, 'next', q)
105 return Dnode_remove(head, current)
109 luatexja.Dnode_remove = luatexja.node_remove
115 local load_module = luatexja.load_module
116 load_module('base'); local ltjb = luatexja.base
117 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
119 if luatexja_debug then load_module('debug') end
121 load_module('charrange'); local ltjc = luatexja.charrange
122 load_module('jfont'); local ltjf = luatexja.jfont
126 local otfl_fdr = fonts.definers.read
127 local ltjr_font_callback = ltjr.font_callback
128 local ltjf_extract_metric = ltjf.extract_metric
129 function luatexja.font_callback(name, size, id)
130 local new_name = ltjf_extract_metric(name)
131 local res = ltjr_font_callback(new_name, size, id, otfl_fdr)
132 luatexbase.call_callback('luatexja.define_font', res, new_name, size, id)
135 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
136 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
140 load_module('inputbuf'); local ltji = luatexja.inputbuf
141 load_module('stack'); local ltjs = luatexja.stack
142 load_module('pretreat'); local ltjp = luatexja.pretreat
143 load_module('jfmglue'); local ltjj = luatexja.jfmglue
144 load_module('setwidth'); local ltjw = luatexja.setwidth
145 load_module('math'); local ltjm = luatexja.math
146 load_module('tangle'); local ltjb = luatexja.base
147 load_module('direction'); local ltjd = luatexja.direction
149 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
150 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
151 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
152 local attr_icflag = luatexbase.attributes['ltj@icflag']
153 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
154 local attr_dir = luatexbase.attributes['ltj@dir']
155 local cat_lp = luatexbase.catcodetables['latex-package']
157 -- Three aux. functions, bollowed from tex.web
160 local floor = math.floor
162 local function print_scaled(s)
168 out=out..tostring(floor(s/unity)) .. '.'
171 if delta>unity then s=s+32768-50000 end
172 out=out .. tostring(floor(s/unity))
179 local function print_glue(d,order)
180 local out=print_scaled(d)
184 out=out..'l'; order=order-1
192 local function print_spec(p)
193 local out=print_scaled(p.width)..'pt'
195 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
198 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
204 ------------------------------------------------------------------------
205 -- CODE FOR GETTING/SETTING PARAMETERS
206 ------------------------------------------------------------------------
208 -- EXT: print parameters that don't need arguments
210 luatexja.unary_pars = {
211 yalbaselineshift = function(t)
212 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
214 yjabaselineshift = function(t)
215 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
217 talbaselineshift = function(t)
218 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
220 tjabaselineshift = function(t)
221 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
223 kanjiskip = function(t)
224 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
226 xkanjiskip = function(t)
227 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
229 jcharwidowpenalty = function(t)
230 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
232 autospacing = function(t)
233 return tex.getattribute('ltj@autospc')
235 autoxspacing = function(t)
236 return tex.getattribute('ltj@autoxspc')
238 differentjfm = function(t)
239 local f, r = luatexja.jfmglue.diffmet_rule, '???'
240 if f == math.max then r = 'large'
241 elseif f == math.min then r = 'small'
242 elseif f == math.two_average then r = 'average'
243 elseif f == math.two_paverage then r = 'paverage'
244 elseif f == math.two_pleft then r = 'pleft'
245 elseif f == math.two_pright then r = 'pright'
246 elseif f == math.two_add then r = 'both'
250 direction = function()
251 local v = ltjd.get_dir_count()
252 if math.abs(tex.nest[tex.nest.ptr].mode) == ltjs.mmode and v == dir_table.dir_tate then
253 v = dir_table.dir_utod
257 adjustdir = ltjd.get_adjust_dir_count,
260 local unary_pars = luatexja.unary_pars
261 function luatexja.ext_get_parameter_unary(k)
262 if unary_pars[k] then
263 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
269 -- EXT: print parameters that need arguments
271 luatexja.binary_pars = {
272 jacharrange = function(c, t)
273 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
275 ltjb.package_error('luatexja',
276 'invalid character range number (' .. tostring(c) .. ')',
277 'A character range number should be in the range 1..'
278 .. 31*ltjc.ATTR_RANGE .. ",\n"..
279 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
280 c=0 -- external range 217 == internal range 0
281 elseif c==31*ltjc.ATTR_RANGE then c=0
283 -- 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
284 return (c<0) and 1 or ltjc.get_range_setting(c)
286 prebreakpenalty = function(c, t)
287 return ltjs.get_stack_table(stack_table_index.PRE
288 + ltjb.in_unicode(c, true), 0, t)
290 postbreakpenalty = function(c, t)
291 return ltjs.get_stack_table(stack_table_index.POST
292 + ltjb.in_unicode(c, true), 0, t)
294 kcatcode = function(c, t)
295 return ltjs.get_stack_table(stack_table_index.KCAT
296 + ltjb.in_unicode(c, false), 0, t)
298 chartorange = function(c, t)
299 return ltjc.char_to_range(ltjb.in_unicode(c, false))
301 jaxspmode = function(c, t)
302 return ltjs.get_stack_table(stack_table_index.XSP
303 + ltjb.in_unicode(c, true), 3, t)
305 boxdir = function(c, t)
306 if type(c)~='number' or c<0 or c>65535 then
307 ltjb.package_error('luatexja',
308 'Bad register code (' .. tostring(c) .. ')',
309 'A register must be between 0 and 65535.\n'..
310 'I changed this one to zero.')
313 return ltjd.get_register_dir(c)
316 local binary_pars = luatexja.binary_pars
318 binary_pars.alxspmode = binary_pars.jaxspmode
319 function luatexja.ext_get_parameter_binary(k,c)
320 if binary_pars[k] then
321 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
326 -- EXT: print \global if necessary
327 function luatexja.ext_print_global()
328 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
334 local start_time_measure, stop_time_measure
335 = ltjb.start_time_measure, ltjb.stop_time_measure
336 local Dnode = node.direct or node
337 local nullfunc = function (n) return n end
338 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
339 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
340 local tex_set_attr = tex.setattribute
341 -- mode = true iff main_process is called from pre_linebreak_filter
342 local function main_process(head, mode, dir, gc)
343 tex_set_attr('global', attr_icflag, 0)
344 if gc == 'fin_row' then return head
346 local p = to_direct(head)
347 start_time_measure('jfmglue')
348 p = ltjj.main(p,mode)
349 stop_time_measure('jfmglue'); start_time_measure('setwidth')
350 if p then p = ltjw.set_ja_width(p, dir) end
351 stop_time_measure('setwidth')
356 local function adjust_icflag(h)
357 -- kern from luaotfload will have icflag = 1
358 -- (same as italic correction)
359 tex_set_attr('global', attr_icflag, 1)
364 luatexbase.add_to_callback(
365 'pre_linebreak_filter',
366 function (head,groupcode)
367 return main_process(head, true, tex.textdir, groupcode)
368 end,'ltj.pre_linebreak_filter',
369 luatexbase.priority_in_callback('pre_linebreak_filter',
370 'luaotfload.node_processor') + 1)
371 luatexbase.add_to_callback(
373 function (head,groupcode,size,packtype, dir)
374 return main_process(head, false, dir, groupcode)
375 end,'ltj.hpack_filter',
376 luatexbase.priority_in_callback('hpack_filter',
377 'luaotfload.node_processor') + 1)
378 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
379 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
387 local node_type = node.type
388 local node_next = node.next
389 local has_attr = node.has_attribute
391 local id_penalty = node.id('penalty')
392 local id_glyph = node.id('glyph')
393 local id_glue_spec = node.id('glue_spec')
394 local id_glue = node.id('glue')
395 local id_kern = node.id('kern')
396 local id_hlist = node.id('hlist')
397 local id_vlist = node.id('vlist')
398 local id_rule = node.id('rule')
399 local id_math = node.id('math')
400 local id_whatsit = node.id('whatsit')
401 local sid_user = node.subtype('user_defined')
403 local function get_attr_icflag(p)
404 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
409 local function debug_show_node_X(p,print_fn)
410 local k = debug_depth
412 local pt=node_type(p.id)
413 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
414 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
415 if pt == 'glyph' then
416 s = base .. ' ' .. utf.char(p.char) .. ' '
418 .. ' (' .. print_scaled(p.height) .. '+'
419 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
421 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
422 s = base .. '(' .. print_scaled(p.height) .. '+'
423 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
424 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
425 if (p.shift or 0)~=0 then
426 s = s .. ', shifted ' .. print_scaled(p.shift)
428 if p.glue_sign >= 1 then
429 s = s .. ' glue set '
430 if p.glue_sign == 2 then s = s .. '-' end
431 s = s .. tostring(floor(p.glue_set*10000)/10000)
432 if p.glue_order == 0 then
436 for i = 2, p.glue_order do s = s .. 'l' end
439 if get_attr_icflag(p) == icflag_table.PACKED then
442 print_fn(s); debug_depth=debug_depth.. '.'
443 for q in node.traverse(p.head) do
444 debug_show_node_X(q, print_fn)
447 elseif pt == 'glue' then
448 s = base .. ' ' .. print_spec(p.spec)
449 if get_attr_icflag(p)>icflag_table.KINSOKU
450 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
451 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
452 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
453 s = s .. ' (kanjiskip)'
454 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
455 s = s .. ' (kanjiskip, JFM specified)'
456 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
457 s = s .. ' (xkanjiskip)'
458 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
459 s = s .. ' (xkanjiskip, JFM specified)'
462 elseif pt == 'kern' then
463 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
465 s = s .. ' (for accent)'
466 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
467 s = s .. ' (italic correction)'
468 -- elseif get_attr_icflag(p)==ITALIC then
469 -- s = s .. ' (italic correction)'
470 elseif get_attr_icflag(p)>icflag_table.KINSOKU
471 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
472 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
475 elseif pt == 'penalty' then
476 s = base .. ' ' .. tostring(p.penalty)
477 if get_attr_icflag(p)==icflag_table.KINSOKU then
478 s = s .. ' (for kinsoku)'
481 elseif pt == 'whatsit' then
483 if p.subtype==sid_user then
484 local t = tostring(p.user_id) .. ' (' ..
485 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
486 if p.type ~= 110 then
487 s = s .. ' userid:' .. t .. p.value
490 s = s .. ' userid:' .. t .. '(node list)'
491 if p.user_id==userid_table.DIR then
492 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
495 debug_depth=debug_depth.. '.'
496 for q in node.traverse(p.value) do
497 debug_show_node_X(q, print_fn)
502 s = s .. node.subtype(p.subtype)
504 s = s .. ' stream=' .. p.stream
507 print_fn(base .. ' [' .. i .. '] = ' .. tostring(p.data[i]))
513 -------- math node --------
514 elseif pt=='noad' then
515 s = base ; print_fn(s)
517 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
520 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
523 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
526 elseif pt=='math_char' then
527 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
529 elseif pt=='sub_box' or pt=='sub_mlist' then
532 debug_depth = k .. '.';
533 for q in node.traverse(p.head) do
534 debug_show_node_X(q, print_fn)
542 function luatexja.ext_show_node_list(head,depth,print_fn)
546 debug_show_node_X(head, print_fn); head = node_next(head)
549 print_fn(debug_depth .. ' (null list)')
552 function luatexja.ext_show_node(head,depth,print_fn)
555 debug_show_node_X(head, print_fn)
557 print_fn(debug_depth .. ' (null list)')