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
62 userid_table.DNODE= luatexbase.newuserwhatsitid('dir_node', 'luatexja') -- dir_node
65 luatexja.dir_table = dir_table
66 dir_table.dir_tate = 3
67 dir_table.dir_yoko = 4
69 ------------------------------------------------------------------------
71 ------------------------------------------------------------------------
73 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
74 function luatexja.node_remove (head, current)
76 local q, r = node_next(current), node_prev(current)
77 if q then q.prev = r end
78 if r and node_next(r)==current then
83 return node_remove(head, current)
86 local Dnode = node.direct or node
88 local Dnode_remove, setfield = Dnode.remove, Dnode.setfield
89 local Dnode_next, Dnode_prev = Dnode.getnext, Dnode.getprev
90 function luatexja.Dnode_remove (head, current)
92 local q, r = Dnode_next(current), Dnode_prev(current)
93 if q then setfield(q, 'prev', r) end
94 if r and Dnode_next(r) == current then
95 setfield(r, 'next', q)
99 return Dnode_remove(head, current)
103 luatexja.Dnode_remove = luatexja.node_remove
109 local load_module = luatexja.load_module
110 load_module('base'); local ltjb = luatexja.base
111 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
115 local otfl_fdr = fonts.definers.read
116 local ltjr_font_callback = ltjr.font_callback
117 function luatexja.font_callback(name, size, id)
118 local res = ltjr_font_callback(name, size, id, otfl_fdr)
119 luatexbase.call_callback('luatexja.define_font', res, name, size, id)
122 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
123 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
126 if luatexja_debug then load_module('debug') end
127 load_module('charrange'); local ltjc = luatexja.charrange
128 load_module('jfont'); local ltjf = luatexja.jfont
129 load_module('inputbuf'); local ltji = luatexja.inputbuf
130 load_module('stack'); local ltjs = luatexja.stack
131 load_module('pretreat'); local ltjp = luatexja.pretreat
132 load_module('jfmglue'); local ltjj = luatexja.jfmglue
133 load_module('setwidth'); local ltjw = luatexja.setwidth
134 load_module('math'); local ltjm = luatexja.math
135 load_module('tangle'); local ltjb = luatexja.base
136 load_module('direction'); local ltjd = luatexja.direction
138 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
139 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
140 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
141 local attr_icflag = luatexbase.attributes['ltj@icflag']
142 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
143 local attr_dir = luatexbase.attributes['ltj@dir']
144 local cat_lp = luatexbase.catcodetables['latex-package']
146 -- Three aux. functions, bollowed from tex.web
149 local floor = math.floor
151 local function print_scaled(s)
157 out=out..tostring(floor(s/unity)) .. '.'
160 if delta>unity then s=s+32768-50000 end
161 out=out .. tostring(floor(s/unity))
168 local function print_glue(d,order)
169 local out=print_scaled(d)
173 out=out..'l'; order=order-1
181 local function print_spec(p)
182 local out=print_scaled(p.width)..'pt'
184 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
187 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
193 ------------------------------------------------------------------------
194 -- CODE FOR GETTING/SETTING PARAMETERS
195 ------------------------------------------------------------------------
197 -- EXT: print parameters that don't need arguments
199 luatexja.unary_pars = {
200 yalbaselineshift = function(t)
201 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
203 yjabaselineshift = function(t)
204 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
206 talbaselineshift = function(t)
207 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
209 tjabaselineshift = function(t)
210 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
212 kanjiskip = function(t)
213 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
215 xkanjiskip = function(t)
216 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
218 jcharwidowpenalty = function(t)
219 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
221 autospacing = function(t)
222 return tex.getattribute('ltj@autospc')
224 autoxspacing = function(t)
225 return tex.getattribute('ltj@autoxspc')
227 differentjfm = function(t)
228 local f, r = luatexja.jfmglue.diffmet_rule, '???'
229 if f == math.max then r = 'large'
230 elseif f == math.min then r = 'small'
231 elseif f == math.two_average then r = 'average'
232 elseif f == math.two_paverage then r = 'paverage'
233 elseif f == math.two_pleft then r = 'pleft'
234 elseif f == math.two_pright then r = 'pright'
235 elseif f == math.two_add then r = 'both'
241 local unary_pars = luatexja.unary_pars
242 function luatexja.ext_get_parameter_unary(k)
243 if unary_pars[k] then
244 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
250 -- EXT: print parameters that need arguments
252 luatexja.binary_pars = {
253 jacharrange = function(c, t)
254 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
256 ltjb.package_error('luatexja',
257 'invalid character range number (' .. tostring(c) .. ')',
258 'A character range number should be in the range 1..'
259 .. 31*ltjc.ATTR_RANGE .. ",\n"..
260 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
261 c=0 -- external range 217 == internal range 0
262 elseif c==31*ltjc.ATTR_RANGE then c=0
264 -- 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
265 return (c<0) and 1 or ltjc.get_range_setting(c)
267 prebreakpenalty = function(c, t)
268 return ltjs.get_stack_table(stack_table_index.PRE
269 + ltjb.in_unicode(c, true), 0, t)
271 postbreakpenalty = function(c, t)
272 return ltjs.get_stack_table(stack_table_index.POST
273 + ltjb.in_unicode(c, true), 0, t)
275 kcatcode = function(c, t)
276 return ltjs.get_stack_table(stack_table_index.KCAT
277 + ltjb.in_unicode(c, false), 0, t)
279 chartorange = function(c, t)
280 return ltjc.char_to_range(ltjb.in_unicode(c, false))
282 jaxspmode = function(c, t)
283 return ltjs.get_stack_table(stack_table_index.XSP
284 + ltjb.in_unicode(c, true), 3, t)
287 local binary_pars = luatexja.binary_pars
289 binary_pars.alxspmode = binary_pars.jaxspmode
290 function luatexja.ext_get_parameter_binary(k,c)
291 if binary_pars[k] then
292 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
297 -- EXT: print \global if necessary
298 function luatexja.ext_print_global()
299 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
304 local start_time_measure, stop_time_measure
305 = ltjb.start_time_measure, ltjb.stop_time_measure
306 local Dnode = node.direct or node
307 local nullfunc = function (n) return n end
308 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
309 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
310 local time_jfm, time_width = 0,0
311 -- mode = true iff main_process is called from pre_linebreak_filter
312 local function main_process(head, mode, dir, gc)
313 tex.setattribute('global', attr_icflag, 0)
314 if gc == 'fin_row' then return head
316 local p = to_direct(head)
317 start_time_measure('jfmglue')
318 p = ltjj.main(p,mode)
319 stop_time_measure('jfmglue'); start_time_measure('setwidth')
320 if p then p = ltjw.set_ja_width(p, dir) end
321 stop_time_measure('setwidth')
326 local function adjust_icflag(h)
327 -- kern from luaotfload will have icflag = 1
328 -- (same as italic correction)
329 tex.setattribute('global', attr_icflag, 1)
335 luatexbase.add_to_callback(
336 'pre_linebreak_filter',
337 function (head,groupcode)
338 return main_process(head, true, tex.textdir, groupcode)
339 end,'ltj.pre_linebreak_filter',
340 luatexbase.priority_in_callback('pre_linebreak_filter',
341 'luaotfload.node_processor') + 1)
342 luatexbase.add_to_callback(
344 function (head,groupcode,size,packtype, dir)
345 return main_process(head, false, dir, groupcode)
346 end,'ltj.hpack_filter',
347 luatexbase.priority_in_callback('hpack_filter',
348 'luaotfload.node_processor') + 1)
349 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'adjust_icflag', 1)
350 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'adjust_icflag', 1)
358 local node_type = node.type
359 local node_next = node.next
360 local has_attr = node.has_attribute
362 local id_penalty = node.id('penalty')
363 local id_glyph = node.id('glyph')
364 local id_glue_spec = node.id('glue_spec')
365 local id_glue = node.id('glue')
366 local id_kern = node.id('kern')
367 local id_hlist = node.id('hlist')
368 local id_vlist = node.id('vlist')
369 local id_rule = node.id('rule')
370 local id_math = node.id('math')
371 local id_whatsit = node.id('whatsit')
372 local sid_user = node.subtype('user_defined')
374 local function get_attr_icflag(p)
375 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
380 local function debug_show_node_X(p,print_fn)
381 local k = debug_depth
383 local pt=node_type(p.id)
384 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
385 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
386 if pt == 'glyph' then
387 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
388 .. ' (' .. print_scaled(p.height) .. '+'
389 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
391 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
392 s = base .. '(' .. print_scaled(p.height) .. '+'
393 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
394 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
395 if (p.shift or 0)~=0 then
396 s = s .. ', shifted ' .. print_scaled(p.shift)
398 if p.glue_sign >= 1 then
399 s = s .. ' glue set '
400 if p.glue_sign == 2 then s = s .. '-' end
401 s = s .. tostring(floor(p.glue_set*10000)/10000)
402 if p.glue_order == 0 then
406 for i = 2, p.glue_order do s = s .. 'l' end
409 if get_attr_icflag(p) == icflag_table.PACKED then
412 print_fn(s); debug_depth=debug_depth.. '.'
413 for q in node.traverse(p.head) do
414 debug_show_node_X(q, print_fn)
417 elseif pt == 'glue' then
418 s = base .. ' ' .. print_spec(p.spec)
419 if get_attr_icflag(p)>icflag_table.KINSOKU
420 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
421 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
422 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
423 s = s .. ' (kanjiskip)'
424 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
425 s = s .. ' (kanjiskip, JFM specified)'
426 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
427 s = s .. ' (xkanjiskip)'
428 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
429 s = s .. ' (xkanjiskip, JFM specified)'
432 elseif pt == 'kern' then
433 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
435 s = s .. ' (for accent)'
436 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
437 s = s .. ' (italic correction)'
438 -- elseif get_attr_icflag(p)==ITALIC then
439 -- s = s .. ' (italic correction)'
440 elseif 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 .. ')'
445 elseif pt == 'penalty' then
446 s = base .. ' ' .. tostring(p.penalty)
447 if get_attr_icflag(p)==icflag_table.KINSOKU then
448 s = s .. ' (for kinsoku)'
451 elseif pt == 'whatsit' then
453 if p.subtype==sid_user then
454 local t = tostring(p.user_id) .. ' (' ..
455 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
456 if p.type ~= 110 then
457 s = s .. ' userid:' .. t .. p.value
460 s = s .. ' userid:' .. t .. '(node list)'
462 debug_depth=debug_depth.. '.'
463 for q in node.traverse(p.value) do
464 debug_show_node_X(q, print_fn)
469 s = s .. node.subtype(p.subtype); print_fn(s)
471 -------- math node --------
472 elseif pt=='noad' then
473 s = base ; print_fn(s)
475 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
478 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
481 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
484 elseif pt=='math_char' then
485 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
487 elseif pt=='sub_box' or pt=='sub_mlist' then
490 debug_depth = k .. '.';
491 for q in node.traverse(p.head) do
492 debug_show_node_X(q, print_fn)
500 function luatexja.ext_show_node_list(head,depth,print_fn)
504 debug_show_node_X(head, print_fn); head = node_next(head)
507 print_fn(debug_depth .. ' (null list)')
510 function luatexja.ext_show_node(head,depth,print_fn)
513 debug_show_node_X(head, print_fn)
515 print_fn(debug_depth .. ' (null list)')