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.DIR = 3 -- これだけ
52 stack_table_index.MJT = 0x100 -- 0--255
53 stack_table_index.MJS = 0x200 -- 0--255
54 stack_table_index.MJSS = 0x300 -- 0--255
55 stack_table_index.KSJ = 0x400 -- 0--9
57 local userid_table = {}
58 luatexja.userid_table = userid_table
59 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
60 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
61 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
62 userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
64 ------------------------------------------------------------------------
66 ------------------------------------------------------------------------
68 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
69 function luatexja.node_remove (head, current)
71 local q, r = node_next(current), node_prev(current)
72 if q then q.prev = r end
73 if r and node_next(r)==current then
78 return node_remove(head, current)
81 local Dnode = node.direct or node
83 local Dnode_remove, setfield = Dnode.remove, Dnode.setfield
84 local Dnode_next, Dnode_prev = Dnode.getnext, Dnode.getprev
85 function luatexja.Dnode_remove (head, current)
87 local q, r = Dnode_next(current), Dnode_prev(current)
88 if q then setfield(q, 'prev', r) end
89 if r and Dnode_next(r) == current then
90 setfield(r, 'next', q)
94 return Dnode_remove(head, current)
98 luatexja.Dnode_remove = luatexja.node_remove
104 local load_module = luatexja.load_module
105 load_module('base'); local ltjb = luatexja.base
106 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
110 local otfl_fdr = fonts.definers.read
111 local ltjr_font_callback = ltjr.font_callback
112 function luatexja.font_callback(name, size, id)
113 local res = ltjr_font_callback(name, size, id, otfl_fdr)
114 luatexbase.call_callback('luatexja.define_font', res, name, size, id)
117 luatexbase.create_callback('luatexja.define_font', 'simple', function (n) return n end)
118 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
122 load_module('charrange'); local ltjc = luatexja.charrange
123 load_module('jfont'); local ltjf = luatexja.jfont
124 load_module('inputbuf'); local ltji = luatexja.inputbuf
125 load_module('stack'); local ltjs = luatexja.stack
126 load_module('pretreat'); local ltjp = luatexja.pretreat
127 load_module('jfmglue'); local ltjj = luatexja.jfmglue
128 load_module('setwidth'); local ltjw = luatexja.setwidth
129 load_module('math'); local ltjm = luatexja.math
130 load_module('tangle'); local ltjb = luatexja.base
131 load_module('direction'); local ltjd = luatexja.direction
133 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
134 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
135 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
136 local attr_icflag = luatexbase.attributes['ltj@icflag']
137 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
138 local attr_dir = luatexbase.attributes['ltj@dir']
139 local cat_lp = luatexbase.catcodetables['latex-package']
141 -- Three aux. functions, bollowed from tex.web
144 local floor = math.floor
146 local function print_scaled(s)
152 out=out..tostring(floor(s/unity)) .. '.'
155 if delta>unity then s=s+32768-50000 end
156 out=out .. tostring(floor(s/unity))
163 local function print_glue(d,order)
164 local out=print_scaled(d)
168 out=out..'l'; order=order-1
176 local function print_spec(p)
177 local out=print_scaled(p.width)..'pt'
179 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
182 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
188 ------------------------------------------------------------------------
189 -- CODE FOR GETTING/SETTING PARAMETERS
190 ------------------------------------------------------------------------
192 -- EXT: print parameters that don't need arguments
194 luatexja.unary_pars = {
195 yalbaselineshift = function(t)
196 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
198 yjabaselineshift = function(t)
199 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
201 talbaselineshift = function(t)
202 return print_scaled(tex.getattribute('ltj@tablshift'))..'pt'
204 tjabaselineshift = function(t)
205 return print_scaled(tex.getattribute('ltj@tkblshift'))..'pt'
207 kanjiskip = function(t)
208 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
210 xkanjiskip = function(t)
211 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
213 jcharwidowpenalty = function(t)
214 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
216 autospacing = function(t)
217 return tex.getattribute('ltj@autospc')
219 autoxspacing = function(t)
220 return tex.getattribute('ltj@autoxspc')
222 differentjfm = function(t)
223 local f, r = luatexja.jfmglue.diffmet_rule, '???'
224 if f == math.max then r = 'large'
225 elseif f == math.min then r = 'small'
226 elseif f == math.two_average then r = 'average'
227 elseif f == math.two_paverage then r = 'paverage'
228 elseif f == math.two_pleft then r = 'pleft'
229 elseif f == math.two_pright then r = 'pright'
230 elseif f == math.two_add then r = 'both'
236 local unary_pars = luatexja.unary_pars
237 function luatexja.ext_get_parameter_unary(k)
238 if unary_pars[k] then
239 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
245 -- EXT: print parameters that need arguments
247 luatexja.binary_pars = {
248 jacharrange = function(c, t)
249 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
251 ltjb.package_error('luatexja',
252 'invalid character range number (' .. tostring(c) .. ')',
253 'A character range number should be in the range 1..'
254 .. 31*ltjc.ATTR_RANGE .. ",\n"..
255 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
256 c=0 -- external range 217 == internal range 0
257 elseif c==31*ltjc.ATTR_RANGE then c=0
259 -- 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
260 return (c<0) and 1 or ltjc.get_range_setting(c)
262 prebreakpenalty = function(c, t)
263 return ltjs.get_stack_table(stack_table_index.PRE
264 + ltjb.in_unicode(c, true), 0, t)
266 postbreakpenalty = function(c, t)
267 return ltjs.get_stack_table(stack_table_index.POST
268 + ltjb.in_unicode(c, true), 0, t)
270 kcatcode = function(c, t)
271 return ltjs.get_stack_table(stack_table_index.KCAT
272 + ltjb.in_unicode(c, false), 0, t)
274 chartorange = function(c, t)
275 return ltjc.char_to_range(ltjb.in_unicode(c, false))
277 jaxspmode = function(c, t)
278 return ltjs.get_stack_table(stack_table_index.XSP
279 + ltjb.in_unicode(c, true), 3, t)
282 local binary_pars = luatexja.binary_pars
284 binary_pars.alxspmode = binary_pars.jaxspmode
285 function luatexja.ext_get_parameter_binary(k,c)
286 if binary_pars[k] then
287 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
292 -- EXT: print \global if necessary
293 function luatexja.ext_print_global()
294 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
299 local Dnode = node.direct or node
300 local nullfunc = function (n) return n end
301 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
302 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
303 -- mode = true iff main_process is called from pre_linebreak_filter
304 local function main_process(head, mode, dir, gc)
305 tex.setattribute('global', attr_icflag, 0)
306 if gc == 'fin_row' then return head
308 local p = to_direct(head)
309 p = ltjj.main(p,mode)
310 if p then p = ltjw.set_ja_width(p, dir) end
315 local function adjust_icflag(h)
316 -- kern from luaotfload will have icflag = 1
317 -- (same as italic correction)
318 tex.setattribute('global', attr_icflag, 1)
324 luatexbase.add_to_callback(
325 'pre_linebreak_filter',
326 function (head,groupcode)
327 return main_process(head, true, tex.textdir, groupcode)
328 end,'ltj.pre_linebreak_filter',
329 luatexbase.priority_in_callback('pre_linebreak_filter',
330 'luaotfload.node_processor') + 1)
331 luatexbase.add_to_callback(
333 function (head,groupcode,size,packtype, dir)
334 return main_process(head, false, dir, groupcode)
335 end,'ltj.hpack_filter',
336 luatexbase.priority_in_callback('hpack_filter',
337 'luaotfload.node_processor') + 1)
338 luatexbase.add_to_callback('pre_linebreak_filter', adjust_icflag, 'adjust_icflag', 1)
339 luatexbase.add_to_callback('hpack_filter', adjust_icflag, 'adjust_icflag', 1)
347 local node_type = node.type
348 local node_next = node.next
349 local has_attr = node.has_attribute
351 local id_penalty = node.id('penalty')
352 local id_glyph = node.id('glyph')
353 local id_glue_spec = node.id('glue_spec')
354 local id_glue = node.id('glue')
355 local id_kern = node.id('kern')
356 local id_hlist = node.id('hlist')
357 local id_vlist = node.id('vlist')
358 local id_rule = node.id('rule')
359 local id_math = node.id('math')
360 local id_whatsit = node.id('whatsit')
361 local sid_user = node.subtype('user_defined')
363 local function get_attr_icflag(p)
364 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
369 local function debug_show_node_X(p,print_fn)
370 local k = debug_depth
372 local pt=node_type(p.id)
373 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
374 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
375 if pt == 'glyph' then
376 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
377 .. ' (' .. print_scaled(p.height) .. '+'
378 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
380 elseif pt=='hlist' or pt=='vlist' or pt=='unset' then
381 s = base .. '(' .. print_scaled(p.height) .. '+'
382 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) .. p.dir
383 if p.shift or 0~=0 then
384 s = s .. ', shifted ' .. print_scaled(p.shift)
386 if p.glue_sign >= 1 then
387 s = s .. ' glue set '
388 if p.glue_sign == 2 then s = s .. '-' end
389 s = s .. tostring(floor(p.glue_set*10000)/10000)
390 if p.glue_order == 0 then
394 for i = 2, p.glue_order do s = s .. 'l' end
397 if get_attr_icflag(p) == icflag_table.PACKED then
400 print_fn(s); debug_depth=debug_depth.. '.'
401 for q in node.traverse(p.head) do
402 debug_show_node_X(q, print_fn)
405 elseif pt == 'glue' then
406 s = base .. ' ' .. print_spec(p.spec)
407 if get_attr_icflag(p)>icflag_table.KINSOKU
408 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
409 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
410 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
411 s = s .. ' (kanjiskip)'
412 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
413 s = s .. ' (kanjiskip, JFM specified)'
414 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
415 s = s .. ' (xkanjiskip)'
416 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
417 s = s .. ' (xkanjiskip, JFM specified)'
420 elseif pt == 'kern' then
421 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
423 s = s .. ' (for accent)'
424 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
425 s = s .. ' (italic correction)'
426 -- elseif get_attr_icflag(p)==ITALIC then
427 -- s = s .. ' (italic correction)'
428 elseif 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 .. ')'
433 elseif pt == 'penalty' then
434 s = base .. ' ' .. tostring(p.penalty)
435 if get_attr_icflag(p)==icflag_table.KINSOKU then
436 s = s .. ' (for kinsoku)'
439 elseif pt == 'whatsit' then
440 s = base .. '(' .. node.whatsits()[p.subtype] .. ') '
441 if p.subtype==sid_user then
442 if p.type ~= 110 then
443 s = s .. ' user_id: ' .. p.user_id .. ' ' .. p.value
446 s = s .. ' user_id: ' .. p.user_id .. ' (node list)'
449 debug_depth=debug_depth.. '.'
451 debug_show_node_X(q, print_fn); q = node_next(q)
456 s = s .. node.subtype(p.subtype); print_fn(s)
458 -------- math node --------
459 elseif pt=='noad' then
460 s = base ; print_fn(s)
462 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
465 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
468 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
471 elseif pt=='math_char' then
472 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
474 elseif pt=='sub_box' or pt=='sub_mlist' then
477 debug_depth = k .. '.';
478 for q in node.traverse(p.head) do
479 debug_show_node_X(q, print_fn)
487 function luatexja.ext_show_node_list(head,depth,print_fn)
491 debug_show_node_X(head, print_fn); head = node_next(head)
494 print_fn(debug_depth .. ' (null list)')
497 function luatexja.ext_show_node(head,depth,print_fn)
500 debug_show_node_X(head, print_fn)
502 print_fn(debug_depth .. ' (null list)')