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_node_auto = 16 -- 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_manual = 32 -- 寸法代入によって作られたもの
72 ------------------------------------------------------------------------
74 ------------------------------------------------------------------------
76 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
77 function luatexja.node_remove (head, current)
79 local q, r = node_next(current), node_prev(current)
80 if q then q.prev = r end
81 if r and node_next(r)==current then
86 return node_remove(head, current)
89 local Dnode = node.direct or node
91 local Dnode_remove, setfield = Dnode.remove, Dnode.setfield
92 local Dnode_next, Dnode_prev = Dnode.getnext, Dnode.getprev
93 function luatexja.Dnode_remove (head, current)
95 local q, r = Dnode_next(current), Dnode_prev(current)
96 if q then setfield(q, 'prev', r) end
97 if r and Dnode_next(r) == current then
98 setfield(r, 'next', q)
102 return Dnode_remove(head, current)
106 luatexja.Dnode_remove = luatexja.node_remove
112 local load_module = luatexja.load_module
113 load_module('base'); local ltjb = luatexja.base
114 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
116 if luatexja_debug then load_module('debug') end
118 load_module('charrange'); local ltjc = luatexja.charrange
119 load_module('jfont'); local ltjf = luatexja.jfont
123 local otfl_fdr = fonts.definers.read
124 local ltjr_font_callback = ltjr.font_callback
125 local ltjf_extract_metric = ltjf.extract_metric
126 function luatexja.font_callback(name, size, id)
127 local new_name = ltjf_extract_metric(name)
128 local res = ltjr_font_callback(new_name, size, id, otfl_fdr)
129 luatexbase.call_callback('luatexja.define_font', res, new_name, size, id)
132 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
133 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
137 load_module('inputbuf'); local ltji = luatexja.inputbuf
138 load_module('stack'); local ltjs = luatexja.stack
139 load_module('pretreat'); local ltjp = luatexja.pretreat
140 load_module('jfmglue'); local ltjj = luatexja.jfmglue
141 load_module('setwidth'); local ltjw = luatexja.setwidth
142 load_module('math'); local ltjm = luatexja.math
143 load_module('tangle'); local ltjb = luatexja.base
144 load_module('direction'); local ltjd = luatexja.direction
146 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
147 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
148 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
149 local attr_icflag = luatexbase.attributes['ltj@icflag']
150 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
151 local attr_dir = luatexbase.attributes['ltj@dir']
152 local cat_lp = luatexbase.catcodetables['latex-package']
154 -- Three aux. functions, bollowed from tex.web
157 local floor = math.floor
159 local function print_scaled(s)
165 out=out..tostring(floor(s/unity)) .. '.'
168 if delta>unity then s=s+32768-50000 end
169 out=out .. tostring(floor(s/unity))
176 local function print_glue(d,order)
177 local out=print_scaled(d)
181 out=out..'l'; order=order-1
189 local function print_spec(p)
190 local out=print_scaled(p.width)..'pt'
192 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
195 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
201 ------------------------------------------------------------------------
202 -- CODE FOR GETTING/SETTING PARAMETERS
203 ------------------------------------------------------------------------
205 -- EXT: print parameters that don't need arguments
207 luatexja.unary_pars = {
208 yalbaselineshift = function(t)
209 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
211 yjabaselineshift = function(t)
212 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
214 talbaselineshift = function(t)
215 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
217 tjabaselineshift = function(t)
218 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
220 kanjiskip = function(t)
221 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
223 xkanjiskip = function(t)
224 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
226 jcharwidowpenalty = function(t)
227 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
229 autospacing = function(t)
230 return tex.getattribute('ltj@autospc')
232 autoxspacing = function(t)
233 return tex.getattribute('ltj@autoxspc')
235 differentjfm = function(t)
236 local f, r = luatexja.jfmglue.diffmet_rule, '???'
237 if f == math.max then r = 'large'
238 elseif f == math.min then r = 'small'
239 elseif f == math.two_average then r = 'average'
240 elseif f == math.two_paverage then r = 'paverage'
241 elseif f == math.two_pleft then r = 'pleft'
242 elseif f == math.two_pright then r = 'pright'
243 elseif f == math.two_add then r = 'both'
247 direction = ltjd.get_dir_count,
248 adjustdir = ltjd.get_adjust_dir_count,
251 local unary_pars = luatexja.unary_pars
252 function luatexja.ext_get_parameter_unary(k)
253 if unary_pars[k] then
254 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
260 -- EXT: print parameters that need arguments
262 luatexja.binary_pars = {
263 jacharrange = function(c, t)
264 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
266 ltjb.package_error('luatexja',
267 'invalid character range number (' .. tostring(c) .. ')',
268 'A character range number should be in the range 1..'
269 .. 31*ltjc.ATTR_RANGE .. ",\n"..
270 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
271 c=0 -- external range 217 == internal range 0
272 elseif c==31*ltjc.ATTR_RANGE then c=0
274 -- 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
275 return (c<0) and 1 or ltjc.get_range_setting(c)
277 prebreakpenalty = function(c, t)
278 return ltjs.get_stack_table(stack_table_index.PRE
279 + ltjb.in_unicode(c, true), 0, t)
281 postbreakpenalty = function(c, t)
282 return ltjs.get_stack_table(stack_table_index.POST
283 + ltjb.in_unicode(c, true), 0, t)
285 kcatcode = function(c, t)
286 return ltjs.get_stack_table(stack_table_index.KCAT
287 + ltjb.in_unicode(c, false), 0, t)
289 chartorange = function(c, t)
290 return ltjc.char_to_range(ltjb.in_unicode(c, false))
292 jaxspmode = function(c, t)
293 return ltjs.get_stack_table(stack_table_index.XSP
294 + ltjb.in_unicode(c, true), 3, t)
296 boxdir = function(c, t)
297 if type(c)~='number' or c<0 or c>65535 then
298 ltjb.package_error('luatexja',
299 'Bad register code (' .. tostring(c) .. ')',
300 'A register must be between 0 and 65535.\n'..
301 'I changed this one to zero.')
304 return ltjd.get_register_dir(c)
307 local binary_pars = luatexja.binary_pars
309 binary_pars.alxspmode = binary_pars.jaxspmode
310 function luatexja.ext_get_parameter_binary(k,c)
311 if binary_pars[k] then
312 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
317 -- EXT: print \global if necessary
318 function luatexja.ext_print_global()
319 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
325 local start_time_measure, stop_time_measure
326 = ltjb.start_time_measure, ltjb.stop_time_measure
327 local Dnode = node.direct or node
328 local nullfunc = function (n) return n end
329 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
330 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
331 local tex_set_attr = tex.setattribute
332 -- mode = true iff main_process is called from pre_linebreak_filter
333 local function main_process(head, mode, dir, gc)
334 tex_set_attr('global', attr_icflag, 0)
335 if gc == 'fin_row' then return head
337 local p = to_direct(head)
338 start_time_measure('jfmglue')
339 p = ltjj.main(p,mode)
340 stop_time_measure('jfmglue'); start_time_measure('setwidth')
341 if p then p = ltjw.set_ja_width(p, dir) end
342 stop_time_measure('setwidth')
347 local function adjust_icflag(h)
348 -- kern from luaotfload will have icflag = 1
349 -- (same as italic correction)
350 tex_set_attr('global', attr_icflag, 1)
355 luatexbase.add_to_callback(
356 'pre_linebreak_filter',
357 function (head,groupcode)
358 return main_process(head, true, tex.textdir, groupcode)
359 end,'ltj.pre_linebreak_filter',
360 luatexbase.priority_in_callback('pre_linebreak_filter',
361 'luaotfload.node_processor') + 1)
362 luatexbase.add_to_callback(
364 function (head,groupcode,size,packtype, dir)
365 return main_process(head, false, dir, groupcode)
366 end,'ltj.hpack_filter',
367 luatexbase.priority_in_callback('hpack_filter',
368 'luaotfload.node_processor') + 1)
369 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
370 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
378 local node_type = node.type
379 local node_next = node.next
380 local has_attr = node.has_attribute
382 local id_penalty = node.id('penalty')
383 local id_glyph = node.id('glyph')
384 local id_glue_spec = node.id('glue_spec')
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
400 local function debug_show_node_X(p,print_fn)
401 local k = debug_depth
403 local pt=node_type(p.id)
404 local base = debug_depth .. 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)
412 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
413 s = base .. '(' .. print_scaled(p.height) .. '+'
414 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
415 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
416 if (p.shift or 0)~=0 then
417 s = s .. ', shifted ' .. print_scaled(p.shift)
419 if p.glue_sign >= 1 then
420 s = s .. ' glue set '
421 if p.glue_sign == 2 then s = s .. '-' end
422 s = s .. tostring(floor(p.glue_set*10000)/10000)
423 if p.glue_order == 0 then
427 for i = 2, p.glue_order do s = s .. 'l' end
430 if get_attr_icflag(p) == icflag_table.PACKED then
433 print_fn(s); debug_depth=debug_depth.. '.'
434 for q in node.traverse(p.head) do
435 debug_show_node_X(q, print_fn)
438 elseif pt == 'glue' then
439 s = base .. ' ' .. print_spec(p.spec)
440 if get_attr_icflag(p)>icflag_table.KINSOKU
441 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
442 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
443 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
444 s = s .. ' (kanjiskip)'
445 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
446 s = s .. ' (kanjiskip, JFM specified)'
447 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
448 s = s .. ' (xkanjiskip)'
449 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
450 s = s .. ' (xkanjiskip, JFM specified)'
453 elseif pt == 'kern' then
454 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
456 s = s .. ' (for accent)'
457 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
458 s = s .. ' (italic correction)'
459 -- elseif get_attr_icflag(p)==ITALIC then
460 -- s = s .. ' (italic correction)'
461 elseif get_attr_icflag(p)>icflag_table.KINSOKU
462 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
463 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
466 elseif pt == 'penalty' then
467 s = base .. ' ' .. tostring(p.penalty)
468 if get_attr_icflag(p)==icflag_table.KINSOKU then
469 s = s .. ' (for kinsoku)'
472 elseif pt == 'whatsit' then
474 if p.subtype==sid_user then
475 local t = tostring(p.user_id) .. ' (' ..
476 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
477 if p.type ~= 110 then
478 s = s .. ' userid:' .. t .. p.value
481 s = s .. ' userid:' .. t .. '(node list)'
482 if p.user_id==userid_table.DIR then
483 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
486 debug_depth=debug_depth.. '.'
487 for q in node.traverse(p.value) do
488 debug_show_node_X(q, print_fn)
493 s = s .. node.subtype(p.subtype)
495 s = s .. ' stream=' .. p.stream
498 print_fn(base .. ' [' .. i .. '] = ' .. tostring(p.data[i]))
504 -------- math node --------
505 elseif pt=='noad' then
506 s = base ; print_fn(s)
508 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
511 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
514 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
517 elseif pt=='math_char' then
518 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
520 elseif pt=='sub_box' or pt=='sub_mlist' then
523 debug_depth = k .. '.';
524 for q in node.traverse(p.head) do
525 debug_show_node_X(q, print_fn)
533 function luatexja.ext_show_node_list(head,depth,print_fn)
537 debug_show_node_X(head, print_fn); head = node_next(head)
540 print_fn(debug_depth .. ' (null list)')
543 function luatexja.ext_show_node(head,depth,print_fn)
546 debug_show_node_X(head, print_fn)
548 print_fn(debug_depth .. ' (null list)')