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'
249 local unary_pars = luatexja.unary_pars
250 function luatexja.ext_get_parameter_unary(k)
251 if unary_pars[k] then
252 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
258 -- EXT: print parameters that need arguments
260 luatexja.binary_pars = {
261 jacharrange = function(c, t)
262 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
264 ltjb.package_error('luatexja',
265 'invalid character range number (' .. tostring(c) .. ')',
266 'A character range number should be in the range 1..'
267 .. 31*ltjc.ATTR_RANGE .. ",\n"..
268 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
269 c=0 -- external range 217 == internal range 0
270 elseif c==31*ltjc.ATTR_RANGE then c=0
272 -- 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
273 return (c<0) and 1 or ltjc.get_range_setting(c)
275 prebreakpenalty = function(c, t)
276 return ltjs.get_stack_table(stack_table_index.PRE
277 + ltjb.in_unicode(c, true), 0, t)
279 postbreakpenalty = function(c, t)
280 return ltjs.get_stack_table(stack_table_index.POST
281 + ltjb.in_unicode(c, true), 0, t)
283 kcatcode = function(c, t)
284 return ltjs.get_stack_table(stack_table_index.KCAT
285 + ltjb.in_unicode(c, false), 0, t)
287 chartorange = function(c, t)
288 return ltjc.char_to_range(ltjb.in_unicode(c, false))
290 jaxspmode = function(c, t)
291 return ltjs.get_stack_table(stack_table_index.XSP
292 + ltjb.in_unicode(c, true), 3, t)
295 local binary_pars = luatexja.binary_pars
297 binary_pars.alxspmode = binary_pars.jaxspmode
298 function luatexja.ext_get_parameter_binary(k,c)
299 if binary_pars[k] then
300 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
305 -- EXT: print \global if necessary
306 function luatexja.ext_print_global()
307 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
313 local start_time_measure, stop_time_measure
314 = ltjb.start_time_measure, ltjb.stop_time_measure
315 local Dnode = node.direct or node
316 local nullfunc = function (n) return n end
317 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
318 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
319 local tex_set_attr = tex.setattribute
320 -- mode = true iff main_process is called from pre_linebreak_filter
321 local function main_process(head, mode, dir, gc)
322 tex_set_attr('global', attr_icflag, 0)
323 if gc == 'fin_row' then return head
325 local p = to_direct(head)
326 start_time_measure('jfmglue')
327 p = ltjj.main(p,mode)
328 stop_time_measure('jfmglue'); start_time_measure('setwidth')
329 if p then p = ltjw.set_ja_width(p, dir) end
330 stop_time_measure('setwidth')
335 local function adjust_icflag(h)
336 -- kern from luaotfload will have icflag = 1
337 -- (same as italic correction)
338 tex_set_attr('global', attr_icflag, 1)
344 luatexbase.add_to_callback(
345 'pre_linebreak_filter',
346 function (head,groupcode)
347 return main_process(head, true, tex.textdir, groupcode)
348 end,'ltj.pre_linebreak_filter',
349 luatexbase.priority_in_callback('pre_linebreak_filter',
350 'luaotfload.node_processor') + 1)
351 luatexbase.add_to_callback(
353 function (head,groupcode,size,packtype, dir)
354 return main_process(head, false, dir, groupcode)
355 end,'ltj.hpack_filter',
356 luatexbase.priority_in_callback('hpack_filter',
357 'luaotfload.node_processor') + 1)
358 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
359 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
367 local node_type = node.type
368 local node_next = node.next
369 local has_attr = node.has_attribute
371 local id_penalty = node.id('penalty')
372 local id_glyph = node.id('glyph')
373 local id_glue_spec = node.id('glue_spec')
374 local id_glue = node.id('glue')
375 local id_kern = node.id('kern')
376 local id_hlist = node.id('hlist')
377 local id_vlist = node.id('vlist')
378 local id_rule = node.id('rule')
379 local id_math = node.id('math')
380 local id_whatsit = node.id('whatsit')
381 local sid_user = node.subtype('user_defined')
383 local function get_attr_icflag(p)
384 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
389 local function debug_show_node_X(p,print_fn)
390 local k = debug_depth
392 local pt=node_type(p.id)
393 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
394 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
395 if pt == 'glyph' then
396 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
397 .. ' (' .. print_scaled(p.height) .. '+'
398 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
400 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
401 s = base .. '(' .. print_scaled(p.height) .. '+'
402 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
403 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
404 if (p.shift or 0)~=0 then
405 s = s .. ', shifted ' .. print_scaled(p.shift)
407 if p.glue_sign >= 1 then
408 s = s .. ' glue set '
409 if p.glue_sign == 2 then s = s .. '-' end
410 s = s .. tostring(floor(p.glue_set*10000)/10000)
411 if p.glue_order == 0 then
415 for i = 2, p.glue_order do s = s .. 'l' end
418 if get_attr_icflag(p) == icflag_table.PACKED then
421 print_fn(s); debug_depth=debug_depth.. '.'
422 for q in node.traverse(p.head) do
423 debug_show_node_X(q, print_fn)
426 elseif pt == 'glue' then
427 s = base .. ' ' .. print_spec(p.spec)
428 if get_attr_icflag(p)>icflag_table.KINSOKU
429 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
430 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
431 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
432 s = s .. ' (kanjiskip)'
433 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
434 s = s .. ' (kanjiskip, JFM specified)'
435 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
436 s = s .. ' (xkanjiskip)'
437 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
438 s = s .. ' (xkanjiskip, JFM specified)'
441 elseif pt == 'kern' then
442 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
444 s = s .. ' (for accent)'
445 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
446 s = s .. ' (italic correction)'
447 -- elseif get_attr_icflag(p)==ITALIC then
448 -- s = s .. ' (italic correction)'
449 elseif 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 .. ')'
454 elseif pt == 'penalty' then
455 s = base .. ' ' .. tostring(p.penalty)
456 if get_attr_icflag(p)==icflag_table.KINSOKU then
457 s = s .. ' (for kinsoku)'
460 elseif pt == 'whatsit' then
462 if p.subtype==sid_user then
463 local t = tostring(p.user_id) .. ' (' ..
464 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
465 if p.type ~= 110 then
466 s = s .. ' userid:' .. t .. p.value
469 s = s .. ' userid:' .. t .. '(node list)'
470 if p.user_id==userid_table.DIR then
471 s = s .. ' dir: ' .. tostring(node.has_attribute(p, attr_dir))
474 debug_depth=debug_depth.. '.'
475 for q in node.traverse(p.value) do
476 debug_show_node_X(q, print_fn)
481 s = s .. node.subtype(p.subtype); print_fn(s)
483 -------- math node --------
484 elseif pt=='noad' then
485 s = base ; print_fn(s)
487 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
490 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
493 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
496 elseif pt=='math_char' then
497 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
499 elseif pt=='sub_box' or pt=='sub_mlist' then
502 debug_depth = k .. '.';
503 for q in node.traverse(p.head) do
504 debug_show_node_X(q, print_fn)
512 function luatexja.ext_show_node_list(head,depth,print_fn)
516 debug_show_node_X(head, print_fn); head = node_next(head)
519 print_fn(debug_depth .. ' (null list)')
522 function luatexja.ext_show_node(head,depth,print_fn)
525 debug_show_node_X(head, print_fn)
527 print_fn(debug_depth .. ' (null list)')