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_dtou = 1
67 dir_table.dir_tate = 3
68 dir_table.dir_yoko = 4
70 ------------------------------------------------------------------------
72 ------------------------------------------------------------------------
74 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
75 function luatexja.node_remove (head, current)
77 local q, r = node_next(current), node_prev(current)
78 if q then q.prev = r end
79 if r and node_next(r)==current then
84 return node_remove(head, current)
87 local Dnode = node.direct or node
89 local Dnode_remove, setfield = Dnode.remove, Dnode.setfield
90 local Dnode_next, Dnode_prev = Dnode.getnext, Dnode.getprev
91 function luatexja.Dnode_remove (head, current)
93 local q, r = Dnode_next(current), Dnode_prev(current)
94 if q then setfield(q, 'prev', r) end
95 if r and Dnode_next(r) == current then
96 setfield(r, 'next', q)
100 return Dnode_remove(head, current)
104 luatexja.Dnode_remove = luatexja.node_remove
110 local load_module = luatexja.load_module
111 load_module('base'); local ltjb = luatexja.base
112 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
116 local otfl_fdr = fonts.definers.read
117 local ltjr_font_callback = ltjr.font_callback
118 function luatexja.font_callback(name, size, id)
119 local res = ltjr_font_callback(name, size, id, otfl_fdr)
120 luatexbase.call_callback('luatexja.define_font', res, name, size, id)
123 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
124 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
127 if luatexja_debug then load_module('debug') end
128 load_module('charrange'); local ltjc = luatexja.charrange
129 load_module('jfont'); local ltjf = luatexja.jfont
130 load_module('inputbuf'); local ltji = luatexja.inputbuf
131 load_module('stack'); local ltjs = luatexja.stack
132 load_module('pretreat'); local ltjp = luatexja.pretreat
133 load_module('jfmglue'); local ltjj = luatexja.jfmglue
134 load_module('setwidth'); local ltjw = luatexja.setwidth
135 load_module('math'); local ltjm = luatexja.math
136 load_module('tangle'); local ltjb = luatexja.base
137 load_module('direction'); local ltjd = luatexja.direction
139 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
140 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
141 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
142 local attr_icflag = luatexbase.attributes['ltj@icflag']
143 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
144 local attr_dir = luatexbase.attributes['ltj@dir']
145 local cat_lp = luatexbase.catcodetables['latex-package']
147 -- Three aux. functions, bollowed from tex.web
150 local floor = math.floor
152 local function print_scaled(s)
158 out=out..tostring(floor(s/unity)) .. '.'
161 if delta>unity then s=s+32768-50000 end
162 out=out .. tostring(floor(s/unity))
169 local function print_glue(d,order)
170 local out=print_scaled(d)
174 out=out..'l'; order=order-1
182 local function print_spec(p)
183 local out=print_scaled(p.width)..'pt'
185 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
188 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
194 ------------------------------------------------------------------------
195 -- CODE FOR GETTING/SETTING PARAMETERS
196 ------------------------------------------------------------------------
198 -- EXT: print parameters that don't need arguments
200 luatexja.unary_pars = {
201 yalbaselineshift = function(t)
202 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
204 yjabaselineshift = function(t)
205 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
207 talbaselineshift = function(t)
208 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
210 tjabaselineshift = function(t)
211 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
213 kanjiskip = function(t)
214 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
216 xkanjiskip = function(t)
217 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
219 jcharwidowpenalty = function(t)
220 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
222 autospacing = function(t)
223 return tex.getattribute('ltj@autospc')
225 autoxspacing = function(t)
226 return tex.getattribute('ltj@autoxspc')
228 differentjfm = function(t)
229 local f, r = luatexja.jfmglue.diffmet_rule, '???'
230 if f == math.max then r = 'large'
231 elseif f == math.min then r = 'small'
232 elseif f == math.two_average then r = 'average'
233 elseif f == math.two_paverage then r = 'paverage'
234 elseif f == math.two_pleft then r = 'pleft'
235 elseif f == math.two_pright then r = 'pright'
236 elseif f == math.two_add then r = 'both'
242 local unary_pars = luatexja.unary_pars
243 function luatexja.ext_get_parameter_unary(k)
244 if unary_pars[k] then
245 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
251 -- EXT: print parameters that need arguments
253 luatexja.binary_pars = {
254 jacharrange = function(c, t)
255 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
257 ltjb.package_error('luatexja',
258 'invalid character range number (' .. tostring(c) .. ')',
259 'A character range number should be in the range 1..'
260 .. 31*ltjc.ATTR_RANGE .. ",\n"..
261 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
262 c=0 -- external range 217 == internal range 0
263 elseif c==31*ltjc.ATTR_RANGE then c=0
265 -- 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
266 return (c<0) and 1 or ltjc.get_range_setting(c)
268 prebreakpenalty = function(c, t)
269 return ltjs.get_stack_table(stack_table_index.PRE
270 + ltjb.in_unicode(c, true), 0, t)
272 postbreakpenalty = function(c, t)
273 return ltjs.get_stack_table(stack_table_index.POST
274 + ltjb.in_unicode(c, true), 0, t)
276 kcatcode = function(c, t)
277 return ltjs.get_stack_table(stack_table_index.KCAT
278 + ltjb.in_unicode(c, false), 0, t)
280 chartorange = function(c, t)
281 return ltjc.char_to_range(ltjb.in_unicode(c, false))
283 jaxspmode = function(c, t)
284 return ltjs.get_stack_table(stack_table_index.XSP
285 + ltjb.in_unicode(c, true), 3, t)
288 local binary_pars = luatexja.binary_pars
290 binary_pars.alxspmode = binary_pars.jaxspmode
291 function luatexja.ext_get_parameter_binary(k,c)
292 if binary_pars[k] then
293 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
298 -- EXT: print \global if necessary
299 function luatexja.ext_print_global()
300 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
305 local start_time_measure, stop_time_measure
306 = ltjb.start_time_measure, ltjb.stop_time_measure
307 local Dnode = node.direct or node
308 local nullfunc = function (n) return n end
309 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
310 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
311 local time_jfm, time_width = 0,0
312 -- mode = true iff main_process is called from pre_linebreak_filter
313 local function main_process(head, mode, dir, gc)
314 tex.setattribute('global', attr_icflag, 0)
315 if gc == 'fin_row' then return head
317 local p = to_direct(head)
318 start_time_measure('jfmglue')
319 p = ltjj.main(p,mode)
320 stop_time_measure('jfmglue'); start_time_measure('setwidth')
321 if p then p = ltjw.set_ja_width(p, dir) end
322 stop_time_measure('setwidth')
327 local function adjust_icflag(h)
328 -- kern from luaotfload will have icflag = 1
329 -- (same as italic correction)
330 tex.setattribute('global', attr_icflag, 1)
336 luatexbase.add_to_callback(
337 'pre_linebreak_filter',
338 function (head,groupcode)
339 return main_process(head, true, tex.textdir, groupcode)
340 end,'ltj.pre_linebreak_filter',
341 luatexbase.priority_in_callback('pre_linebreak_filter',
342 'luaotfload.node_processor') + 1)
343 luatexbase.add_to_callback(
345 function (head,groupcode,size,packtype, dir)
346 return main_process(head, false, dir, groupcode)
347 end,'ltj.hpack_filter',
348 luatexbase.priority_in_callback('hpack_filter',
349 'luaotfload.node_processor') + 1)
350 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'adjust_icflag', 1)
351 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'adjust_icflag', 1)
359 local node_type = node.type
360 local node_next = node.next
361 local has_attr = node.has_attribute
363 local id_penalty = node.id('penalty')
364 local id_glyph = node.id('glyph')
365 local id_glue_spec = node.id('glue_spec')
366 local id_glue = node.id('glue')
367 local id_kern = node.id('kern')
368 local id_hlist = node.id('hlist')
369 local id_vlist = node.id('vlist')
370 local id_rule = node.id('rule')
371 local id_math = node.id('math')
372 local id_whatsit = node.id('whatsit')
373 local sid_user = node.subtype('user_defined')
375 local function get_attr_icflag(p)
376 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
381 local function debug_show_node_X(p,print_fn)
382 local k = debug_depth
384 local pt=node_type(p.id)
385 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
386 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
387 if pt == 'glyph' then
388 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
389 .. ' (' .. print_scaled(p.height) .. '+'
390 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
392 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
393 s = base .. '(' .. print_scaled(p.height) .. '+'
394 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
395 .. ', dir=' .. tostring(node.has_attribute(p, attr_dir))
396 if (p.shift or 0)~=0 then
397 s = s .. ', shifted ' .. print_scaled(p.shift)
399 if p.glue_sign >= 1 then
400 s = s .. ' glue set '
401 if p.glue_sign == 2 then s = s .. '-' end
402 s = s .. tostring(floor(p.glue_set*10000)/10000)
403 if p.glue_order == 0 then
407 for i = 2, p.glue_order do s = s .. 'l' end
410 if get_attr_icflag(p) == icflag_table.PACKED then
413 print_fn(s); debug_depth=debug_depth.. '.'
414 for q in node.traverse(p.head) do
415 debug_show_node_X(q, print_fn)
418 elseif pt == 'glue' then
419 s = base .. ' ' .. print_spec(p.spec)
420 if get_attr_icflag(p)>icflag_table.KINSOKU
421 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
422 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
423 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
424 s = s .. ' (kanjiskip)'
425 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
426 s = s .. ' (kanjiskip, JFM specified)'
427 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
428 s = s .. ' (xkanjiskip)'
429 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
430 s = s .. ' (xkanjiskip, JFM specified)'
433 elseif pt == 'kern' then
434 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
436 s = s .. ' (for accent)'
437 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
438 s = s .. ' (italic correction)'
439 -- elseif get_attr_icflag(p)==ITALIC then
440 -- s = s .. ' (italic correction)'
441 elseif get_attr_icflag(p)>icflag_table.KINSOKU
442 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
443 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
446 elseif pt == 'penalty' then
447 s = base .. ' ' .. tostring(p.penalty)
448 if get_attr_icflag(p)==icflag_table.KINSOKU then
449 s = s .. ' (for kinsoku)'
452 elseif pt == 'whatsit' then
454 if p.subtype==sid_user then
455 local t = tostring(p.user_id) .. ' (' ..
456 luatexbase.get_user_whatsit_name(p.user_id) .. ') '
457 if p.type ~= 110 then
458 s = s .. ' userid:' .. t .. p.value
461 s = s .. ' userid:' .. t .. '(node list)'
463 debug_depth=debug_depth.. '.'
464 for q in node.traverse(p.value) do
465 debug_show_node_X(q, print_fn)
470 s = s .. node.subtype(p.subtype); print_fn(s)
472 -------- math node --------
473 elseif pt=='noad' then
474 s = base ; print_fn(s)
476 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
479 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
482 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
485 elseif pt=='math_char' then
486 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
488 elseif pt=='sub_box' or pt=='sub_mlist' then
491 debug_depth = k .. '.';
492 for q in node.traverse(p.head) do
493 debug_show_node_X(q, print_fn)
501 function luatexja.ext_show_node_list(head,depth,print_fn)
505 debug_show_node_X(head, print_fn); head = node_next(head)
508 print_fn(debug_depth .. ' (null list)')
511 function luatexja.ext_show_node(head,depth,print_fn)
514 debug_show_node_X(head, print_fn)
516 print_fn(debug_depth .. ' (null list)')