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 .. ')')
22 -- check token library
24 luatexja.token = newtoken
26 local luatex_version = status.list().luatex_version
27 if luatex_version >80 then
28 luatexja.token = token
33 local icflag_table = {}
34 luatexja.icflag_table = icflag_table
35 icflag_table.ITALIC = 1
36 icflag_table.PACKED = 2
37 icflag_table.KINSOKU = 3
38 icflag_table.FROM_JFM = 6
39 -- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい)
41 icflag_table.KANJI_SKIP = 9
42 icflag_table.KANJI_SKIP_JFM = 10
43 icflag_table.XKANJI_SKIP = 11
44 icflag_table.XKANJI_SKIP_JFM = 12
45 icflag_table.PROCESSED = 13
46 icflag_table.IC_PROCESSED = 14
47 icflag_table.BOXBDD = 15
48 icflag_table.PROCESSED_BEGIN_FLAG = 128
50 local stack_table_index = {}
51 luatexja.stack_table_index = stack_table_index
52 stack_table_index.PRE = 0x200000 -- characterごと
53 stack_table_index.POST = 0x400000 -- characterごと
54 stack_table_index.KCAT = 0x600000 -- characterごと
55 stack_table_index.XSP = 0x800000 -- characterごと
56 stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre
57 stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post
58 stack_table_index.JWP = 0 -- これだけ
59 stack_table_index.KSK = 1 -- これだけ
60 stack_table_index.XSK = 2 -- これだけ
61 stack_table_index.MJT = 0x100 -- 0--255
62 stack_table_index.MJS = 0x200 -- 0--255
63 stack_table_index.MJSS = 0x300 -- 0--255
64 stack_table_index.KSJ = 0x400 -- 0--9
66 local userid_table = {}
67 luatexja.userid_table = userid_table
68 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
69 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
70 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
71 userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
74 luatexja.dir_table = dir_table
75 dir_table.dir_dtou = 1
76 dir_table.dir_tate = 3
77 dir_table.dir_yoko = 4
78 dir_table.dir_math_mod = 8
79 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
80 dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
81 dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
82 -- 「縦数式ディレクション」 in pTeX
85 local load_module = luatexja.load_module
86 load_module('base'); local ltjb = luatexja.base
87 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
89 if luatexja_debug then load_module('debug') end
91 load_module('charrange'); local ltjc = luatexja.charrange
92 load_module('stack'); local ltjs = luatexja.stack
93 load_module('direction'); local ltjd = luatexja.direction -- +1 hlist +1 attr_list
94 load_module('jfont'); local ltjf = luatexja.jfont
95 load_module('inputbuf'); local ltji = luatexja.inputbuf
96 load_module('pretreat'); local ltjp = luatexja.pretreat
97 load_module('setwidth'); local ltjw = luatexja.setwidth
98 load_module('jfmglue'); local ltjj = luatexja.jfmglue -- +1 glue +1 gs +1 attr_list
99 load_module('math'); local ltjm = luatexja.math
100 load_module('tangle'); local ltjb = luatexja.base
103 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
104 local attr_jchar_code = luatexbase.attributes['ltj@charcode']
105 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
106 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
107 local attr_icflag = luatexbase.attributes['ltj@icflag']
108 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
109 local attr_dir = luatexbase.attributes['ltj@dir']
110 local cat_lp = luatexbase.catcodetables['latex-package']
112 -- Three aux. functions, bollowed from tex.web
115 local floor = math.floor
117 local function print_scaled(s)
123 out=out..tostring(floor(s/unity)) .. '.'
126 if delta>unity then s=s+32768-50000 end
127 out=out .. tostring(floor(s/unity))
134 local function print_glue(d,order)
135 local out=print_scaled(d)
139 out=out..'l'; order=order-1
147 local function print_spec(p)
148 local out=print_scaled(p.width)..'pt'
150 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
153 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
159 ------------------------------------------------------------------------
160 -- CODE FOR GETTING/SETTING PARAMETERS
161 ------------------------------------------------------------------------
163 -- EXT: print parameters that don't need arguments
165 luatexja.unary_pars = {
166 yalbaselineshift = function(t)
167 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
169 yjabaselineshift = function(t)
170 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
172 talbaselineshift = function(t)
173 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
175 tjabaselineshift = function(t)
176 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
178 kanjiskip = function(t)
179 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
181 xkanjiskip = function(t)
182 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
184 jcharwidowpenalty = function(t)
185 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
187 autospacing = function(t)
188 return tex.getattribute('ltj@autospc')
190 autoxspacing = function(t)
191 return tex.getattribute('ltj@autoxspc')
193 differentjfm = function(t)
194 local f, r = luatexja.jfmglue.diffmet_rule, '???'
195 if f == math.max then r = 'large'
196 elseif f == math.min then r = 'small'
197 elseif f == math.two_average then r = 'average'
198 elseif f == math.two_paverage then r = 'paverage'
199 elseif f == math.two_pleft then r = 'pleft'
200 elseif f == math.two_pright then r = 'pright'
201 elseif f == math.two_add then r = 'both'
205 direction = function()
206 local v = ltjd.get_dir_count()
207 if math.abs(tex.nest[tex.nest.ptr].mode) == ltjs.mmode and v == dir_table.dir_tate then
208 v = dir_table.dir_utod
212 adjustdir = ltjd.get_adjust_dir_count,
215 local unary_pars = luatexja.unary_pars
216 function luatexja.ext_get_parameter_unary(k)
217 if unary_pars[k] then
218 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
220 ltjb.stop_time_measure('get_par')
225 -- EXT: print parameters that need arguments
227 luatexja.binary_pars = {
228 jacharrange = function(c, t)
229 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
231 ltjb.package_error('luatexja',
232 'invalid character range number (' .. tostring(c) .. ')',
233 'A character range number should be in the range 1..'
234 .. 31*ltjc.ATTR_RANGE .. ",\n"..
235 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
236 c=0 -- external range 217 == internal range 0
237 elseif c==31*ltjc.ATTR_RANGE then c=0
239 -- 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
240 return (c<0) and 1 or ltjc.get_range_setting(c)
242 prebreakpenalty = function(c, t)
243 return ltjs.get_stack_table(stack_table_index.PRE
244 + ltjb.in_unicode(c, true), 0, t)
246 postbreakpenalty = function(c, t)
247 return ltjs.get_stack_table(stack_table_index.POST
248 + ltjb.in_unicode(c, true), 0, t)
250 kcatcode = function(c, t)
251 return ltjs.get_stack_table(stack_table_index.KCAT
252 + ltjb.in_unicode(c, false), 0, t)
254 chartorange = function(c, t)
255 return ltjc.char_to_range(ltjb.in_unicode(c, false))
257 jaxspmode = function(c, t)
258 return ltjs.get_stack_table(stack_table_index.XSP
259 + ltjb.in_unicode(c, true), 3, t)
261 boxdir = function(c, t)
262 if type(c)~='number' or c<0 or c>65535 then
263 ltjb.package_error('luatexja',
264 'Bad register code (' .. tostring(c) .. ')',
265 'A register must be between 0 and 65535.\n'..
266 'I changed this one to zero.')
269 return ltjd.get_register_dir(c)
272 local binary_pars = luatexja.binary_pars
274 binary_pars.alxspmode = binary_pars.jaxspmode
275 function luatexja.ext_get_parameter_binary(k,c)
276 if binary_pars[k] then
277 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
279 ltjb.stop_time_measure('get_par')
283 -- EXT: print \global if necessary
284 function luatexja.ext_print_global()
285 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
291 local start_time_measure, stop_time_measure
292 = ltjb.start_time_measure, ltjb.stop_time_measure
293 local Dnode = node.direct or node
294 local nullfunc = function (n) return n end
295 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
296 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
297 local ensure_tex_attr = ltjb.ensure_tex_attr
299 -- mode = true iff main_process is called from pre_linebreak_filter
300 local function main_process(head, mode, dir, gc)
301 ensure_tex_attr(attr_icflag, 0)
302 if gc == 'fin_row' then return head
304 --luatexja.ext_show_node_list(head, 'T> ', print)
305 start_time_measure('jfmglue')
306 local p = ltjj.main(to_direct(head),mode, dir)
307 stop_time_measure('jfmglue')
312 local function adjust_icflag(h)
313 -- kern from luaotfload will have icflag = 1
314 -- (same as italic correction)
315 ensure_tex_attr(attr_icflag, 1)
320 luatexbase.add_to_callback(
321 'pre_linebreak_filter',
322 function (head,groupcode)
323 return main_process(head, true, tex.textdir, groupcode)
324 end,'ltj.pre_linebreak_filter',
325 luatexbase.priority_in_callback('pre_linebreak_filter',
326 'luaotfload.node_processor') + 1)
327 luatexbase.add_to_callback(
329 function (head,groupcode,size,packtype, dir)
330 return main_process(head, false, dir, groupcode)
331 end,'ltj.hpack_filter',
332 luatexbase.priority_in_callback('hpack_filter',
333 'luaotfload.node_processor') + 1)
334 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
335 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
340 function luatexja.ext_cleanup()
341 ltjf.cleanup_size_cache()
342 ltjd.remove_end_whatsit()
350 local node_type = node.type
351 local node_next = node.next
352 local has_attr = node.has_attribute
354 local id_penalty = node.id('penalty')
355 local id_glyph = node.id('glyph')
356 local id_glue_spec = node.id('glue_spec')
357 local id_glue = node.id('glue')
358 local id_kern = node.id('kern')
359 local id_hlist = node.id('hlist')
360 local id_vlist = node.id('vlist')
361 local id_rule = node.id('rule')
362 local id_math = node.id('math')
363 local id_whatsit = node.id('whatsit')
364 local sid_user = node.subtype('user_defined')
366 local function get_attr_icflag(p)
367 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
370 local prefix, inner_depth
372 local function debug_show_node_X(p,print_fn, limit)
375 local pt=node_type(p.id)
376 local base = prefix .. string.format('%X', get_attr_icflag(p))
377 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
378 if pt == 'glyph' then
379 s = base .. ' ' .. utf.char(p.char) .. ' '
381 .. ' (' .. print_scaled(p.height) .. '+'
382 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
384 elseif pt=='hlist' or pt=='vlist' or pt=='unset'or pt=='ins' then
386 s = base .. '(' .. print_scaled(p.height) .. '+'
387 .. print_scaled(p.depth) .. ')'
388 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
390 s = base .. '(' .. print_scaled(p.height) .. '+'
391 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
392 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
394 if (p.shift or 0)~=0 then
395 s = s .. ', shifted ' .. print_scaled(p.shift)
397 if p.glue_set and p.glue_sign ==2 or ( p.glue_sign==1 and p.glue_set>0) then
398 s = s .. ' glue set '
399 if p.glue_sign == 2 then s = s .. '-' end
400 s = s .. tostring(floor(p.glue_set*10000)/10000)
401 if p.glue_order == 0 then
405 for i = 2, p.glue_order do s = s .. 'l' end
408 if get_attr_icflag(p) == icflag_table.PACKED then
412 local bid = inner_depth
413 prefix, inner_depth = prefix.. '.', inner_depth + 1
414 if inner_depth < limit then
415 for q in node.traverse(p.head) do
416 debug_show_node_X(q, print_fn, limit)
420 elseif pt=='rule' then
421 s = base .. '(' .. print_scaled(p.height) .. '+'
422 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
423 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
425 elseif pt == 'glue' then
426 s = base .. ' ' .. print_spec(p.spec)
427 if get_attr_icflag(p)>icflag_table.KINSOKU
428 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
429 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
430 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
431 s = s .. ' (kanjiskip)'
432 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
433 s = s .. ' (kanjiskip, JFM specified)'
434 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
435 s = s .. ' (xkanjiskip)'
436 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
437 s = s .. ' (xkanjiskip, JFM specified)'
440 elseif pt == 'kern' then
441 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
443 s = s .. ' (for accent)'
444 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
445 s = s .. ' (italic correction)'
446 -- elseif get_attr_icflag(p)==ITALIC then
447 -- s = s .. ' (italic correction)'
448 elseif get_attr_icflag(p)>icflag_table.KINSOKU
449 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
450 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
453 elseif pt == 'penalty' then
454 s = base .. ' ' .. tostring(p.penalty)
455 if get_attr_icflag(p)==icflag_table.KINSOKU then
456 s = s .. ' (for kinsoku)'
459 elseif pt == 'whatsit' then
461 if p.subtype==sid_user then
462 local t = tostring(p.user_id) .. ' (' ..
463 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
464 if p.type ~= 110 then
465 s = s .. ' userid:' .. t .. p.value
468 s = s .. ' userid:' .. t .. '(node list)'
469 if p.user_id==userid_table.DIR then
470 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
473 local bid = inner_depth
474 prefix, inner_depth =prefix.. '.', inner_depth + 1
475 if inner_depth < limit then
476 for q in node.traverse(p.value) do
477 debug_show_node_X(q, print_fn, limit)
480 prefix, inner_depth = k, bid
483 s = s .. node.subtype(p.subtype)
485 s = s .. ' stream=' .. p.stream
488 print_fn(s .. ' [' .. i .. '] = ' .. tostring(token.command_name(p.data[i])))
494 -------- math node --------
495 elseif pt=='noad' then
496 s = base ; print_fn(s)
498 prefix = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
501 prefix = k .. '^'; debug_show_node_X(p.sup, print_fn);
504 prefix = k .. '_'; debug_show_node_X(p.sub, print_fn);
507 elseif pt=='math_char' then
508 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
510 elseif pt=='sub_box' or pt=='sub_mlist' then
514 for q in node.traverse(p.head) do
515 debug_show_node_X(q, print_fn)
523 function luatexja.ext_show_node_list(head,depth,print_fn, lim)
528 debug_show_node_X(head, print_fn, lim or 1/0); head = node_next(head)
531 print_fn(prefix .. ' (null list)')
534 function luatexja.ext_show_node(head,depth,print_fn, lim)
538 debug_show_node_X(head, print_fn, lim or 1/0)
540 print_fn(prefix .. ' (null list)')