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.JWP = 0 -- これだけ
47 stack_table_index.KSK = 1 -- これだけ
48 stack_table_index.XSK = 2 -- これだけ
49 stack_table_index.MJT = 0x100 -- 0--255
50 stack_table_index.MJS = 0x200 -- 0--255
51 stack_table_index.MJSS = 0x300 -- 0--255
52 stack_table_index.KSJ = 0x400 -- 0--9
54 local userid_table = {}
55 luatexja.userid_table = userid_table
56 userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
57 userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
58 userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
60 ------------------------------------------------------------------------
62 ------------------------------------------------------------------------
64 local node_remove, node_next, node_prev = node.remove, node.next, node.prev
65 function luatexja.node_remove (head, current)
67 local q, r = node_next(current), node_prev(current)
69 if q then q.prev = r end
70 if r and node_next(r)==current then
75 return node_remove(head, current)
78 local Dnode = node.direct or node
80 local Dnode_remove = Dnode.remove
81 local Dnode_next, Dnode_prev = Dnode.getnext, node.getprev
82 local getfield, setfield = Dnode.getfield, Dnode.setfield
83 function luatexja.Dnode_remove (head, current)
85 local q, r = Dnode_next(current), Dnode_prev(current)
86 setfield(current, 'next', nil)
87 if q then setfield(q, 'prev', r) end
88 if r and Dnode_next(r) == current then
89 setfield(r, 'next', q)
93 return Dnode_remove(head, current)
97 luatexja.Dnode_remove = luatexja.node_remove
103 local load_module = luatexja.load_module
104 load_module('base'); local ltjb = luatexja.base
105 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
106 load_module('charrange'); local ltjc = luatexja.charrange
107 load_module('jfont'); local ltjf = luatexja.jfont
108 load_module('inputbuf'); local ltji = luatexja.inputbuf
109 load_module('stack'); local ltjs = luatexja.stack
110 load_module('pretreat'); local ltjp = luatexja.pretreat
111 load_module('jfmglue'); local ltjj = luatexja.jfmglue
112 load_module('setwidth'); local ltjw = luatexja.setwidth
113 load_module('math'); local ltjm = luatexja.math
114 load_module('tangle'); local ltjb = luatexja.base
116 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
117 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
118 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
119 local attr_icflag = luatexbase.attributes['ltj@icflag']
120 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
121 local cat_lp = luatexbase.catcodetables['latex-package']
123 -- Three aux. functions, bollowed from tex.web
126 local floor = math.floor
128 local function print_scaled(s)
134 out=out..tostring(floor(s/unity)) .. '.'
137 if delta>unity then s=s+32768-50000 end
138 out=out .. tostring(floor(s/unity))
145 local function print_glue(d,order)
146 local out=print_scaled(d)
150 out=out..'l'; order=order-1
158 local function print_spec(p)
159 local out=print_scaled(p.width)..'pt'
161 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
164 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
170 ------------------------------------------------------------------------
171 -- CODE FOR GETTING/SETTING PARAMETERS
172 ------------------------------------------------------------------------
174 -- EXT: print parameters that don't need arguments
176 luatexja.unary_pars = {
177 yalbaselineshift = function(t)
178 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
180 yjabaselineshift = function(t)
181 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
183 kanjiskip = function(t)
184 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
186 xkanjiskip = function(t)
187 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
189 jcharwidowpenalty = function(t)
190 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
192 autospacing = function(t)
193 return tex.getattribute('ltj@autospc')
195 autoxspacing = function(t)
196 return tex.getattribute('ltj@autoxspc')
198 differentjfm = function(t)
199 local f, r = luatexja.jfmglue.diffmet_rule, '???'
200 if f == math.max then r = 'large'
201 elseif f == math.min then r = 'small'
202 elseif f == math.two_average then r = 'average'
203 elseif f == math.two_paverage then r = 'paverage'
204 elseif f == math.two_pleft then r = 'pleft'
205 elseif f == math.two_pright then r = 'pright'
206 elseif f == math.two_add then r = 'both'
212 local unary_pars = luatexja.unary_pars
213 function luatexja.ext_get_parameter_unary(k)
214 if unary_pars[k] then
215 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
221 -- EXT: print parameters that need arguments
223 luatexja.binary_pars = {
224 jacharrange = function(c, t)
225 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
227 ltjb.package_error('luatexja',
228 'invalid character range number (' .. tostring(c) .. ')',
229 'A character range number should be in the range 1..'
230 .. 31*ltjc.ATTR_RANGE .. ",\n"..
231 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
232 c=0 -- external range 217 == internal range 0
233 elseif c==31*ltjc.ATTR_RANGE then c=0
235 -- 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
236 return (c<0) and 1 or ltjc.get_range_setting(c)
238 prebreakpenalty = function(c, t)
239 return ltjs.get_stack_table(stack_table_index.PRE
240 + ltjb.in_unicode(c, true), 0, t)
242 postbreakpenalty = function(c, t)
243 return ltjs.get_stack_table(stack_table_index.POST
244 + ltjb.in_unicode(c, true), 0, t)
246 kcatcode = function(c, t)
247 return ltjs.get_stack_table(stack_table_index.KCAT
248 + ltjb.in_unicode(c, false), 0, t)
250 chartorange = function(c, t)
251 return ltjc.char_to_range(ltjb.in_unicode(c, false))
253 jaxspmode = function(c, t)
254 return ltjs.get_stack_table(stack_table_index.XSP
255 + ltjb.in_unicode(c, true), 3, t)
258 local binary_pars = luatexja.binary_pars
260 binary_pars.alxspmode = binary_pars.jaxspmode
261 function luatexja.ext_get_parameter_binary(k,c)
262 if binary_pars[k] then
263 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
268 -- EXT: print \global if necessary
269 function luatexja.ext_print_global()
270 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
275 local Dnode = node.direct or node
276 local nullfunc = function (n) return n end
277 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
278 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
279 -- mode = true iff main_process is called from pre_linebreak_filter
280 local function main_process(head, mode, dir)
281 local p = to_direct(head)
282 p = ltjj.main(p,mode)
283 if p then p = ltjw.set_ja_width(p, dir) end
289 luatexbase.add_to_callback(
290 'pre_linebreak_filter',
291 function (head,groupcode)
292 return main_process(head, true, tex.textdir)
293 end,'ltj.pre_linebreak_filter',
294 luatexbase.priority_in_callback('pre_linebreak_filter',
295 'luaotfload.node_processor') + 1)
296 luatexbase.add_to_callback(
298 function (head,groupcode,size,packtype, dir)
299 return main_process(head, false, dir)
300 end,'ltj.hpack_filter',
301 luatexbase.priority_in_callback('hpack_filter',
302 'luaotfload.node_processor') + 1)
307 local otfl_fdr = fonts.definers.read
308 local ltjr_font_callback = ltjr.font_callback
309 function luatexja.font_callback(name, size, id)
310 return ltjf.font_callback(
312 function (name, size, id) return ltjr_font_callback(name, size, id, otfl_fdr) end
315 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
325 local node_type = node.type
326 local node_next = node.next
327 local has_attr = node.has_attribute
329 local id_penalty = node.id('penalty')
330 local id_glyph = node.id('glyph')
331 local id_glue_spec = node.id('glue_spec')
332 local id_glue = node.id('glue')
333 local id_kern = node.id('kern')
334 local id_hlist = node.id('hlist')
335 local id_vlist = node.id('vlist')
336 local id_rule = node.id('rule')
337 local id_math = node.id('math')
338 local id_whatsit = node.id('whatsit')
339 local sid_user = node.subtype('user_defined')
341 local function get_attr_icflag(p)
342 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
347 local function debug_show_node_X(p,print_fn)
348 local k = debug_depth
350 local pt=node_type(p.id)
351 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
352 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
353 if pt == 'glyph' then
354 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
355 .. ' (' .. print_scaled(p.height) .. '+'
356 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
358 elseif pt=='hlist' or pt=='vlist' then
359 s = base .. '(' .. print_scaled(p.height) .. '+'
360 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) .. p.dir
362 s = s .. ', shifted ' .. print_scaled(p.shift)
364 if p.glue_sign >= 1 then
365 s = s .. ' glue set '
366 if p.glue_sign == 2 then s = s .. '-' end
367 s = s .. tostring(floor(p.glue_set*10000)/10000)
368 if p.glue_order == 0 then
372 for i = 2, p.glue_order do s = s .. 'l' end
375 if get_attr_icflag(p) == icflag_table.PACKED then
378 print_fn(s); debug_depth=debug_depth.. '.'
379 for q in node.traverse(p.head) do
380 debug_show_node_X(q, print_fn)
383 elseif pt == 'glue' then
384 s = base .. ' ' .. print_spec(p.spec)
385 if get_attr_icflag(p)>icflag_table.KINSOKU
386 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
387 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
388 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
389 s = s .. ' (kanjiskip)'
390 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
391 s = s .. ' (kanjiskip, JFM specified)'
392 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
393 s = s .. ' (xkanjiskip)'
394 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
395 s = s .. ' (xkanjiskip, JFM specified)'
398 elseif pt == 'kern' then
399 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
401 s = s .. ' (for accent)'
402 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
403 s = s .. ' (italic correction)'
404 -- elseif get_attr_icflag(p)==ITALIC then
405 -- s = s .. ' (italic correction)'
406 elseif get_attr_icflag(p)>icflag_table.KINSOKU
407 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
408 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
411 elseif pt == 'penalty' then
412 s = base .. ' ' .. tostring(p.penalty)
413 if get_attr_icflag(p)==icflag_table.KINSOKU then
414 s = s .. ' (for kinsoku)'
417 elseif pt == 'whatsit' then
418 s = base .. ' subtype: ' .. tostring(p.subtype)
419 if p.subtype==sid_user then
420 if p.type ~= 110 then
421 s = s .. ' user_id: ' .. p.user_id .. ' ' .. p.value
424 s = s .. ' user_id: ' .. p.user_id .. ' (node list)'
427 debug_depth=debug_depth.. '.'
429 debug_show_node_X(q, print_fn); q = node_next(q)
434 s = s .. node.subtype(p.subtype); print_fn(s)
436 -------- math node --------
437 elseif pt=='noad' then
438 s = base ; print_fn(s)
440 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
443 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
446 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
449 elseif pt=='math_char' then
450 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
452 elseif pt=='sub_box' or pt=='sub_mlist' then
455 debug_depth = k .. '.';
456 for q in node.traverse(p.head) do
457 debug_show_node_X(q, print_fn)
465 function luatexja.ext_show_node_list(head,depth,print_fn)
469 debug_show_node_X(head, print_fn); head = node_next(head)
472 print_fn(debug_depth .. ' (null list)')
475 function luatexja.ext_show_node(head,depth,print_fn)
478 debug_show_node_X(head, print_fn)
480 print_fn(debug_depth .. ' (null list)')