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」
62 local load_module = luatexja.load_module
63 load_module('base'); local ltjb = luatexja.base
64 load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
65 load_module('charrange'); local ltjc = luatexja.charrange
66 load_module('jfont'); local ltjf = luatexja.jfont
67 load_module('inputbuf'); local ltji = luatexja.inputbuf
68 load_module('stack'); local ltjs = luatexja.stack
69 load_module('pretreat'); local ltjp = luatexja.pretreat
70 load_module('jfmglue'); local ltjj = luatexja.jfmglue
71 load_module('setwidth'); local ltjw = luatexja.setwidth
72 load_module('math'); local ltjm = luatexja.math
73 load_module('tangle'); local ltjb = luatexja.base
75 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
76 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
77 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
78 local attr_icflag = luatexbase.attributes['ltj@icflag']
79 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
80 local cat_lp = luatexbase.catcodetables['latex-package']
83 ---- table: charprop_stack_table [stack_level].{pre|post|xsp}[chr_code]
86 -- Three aux. functions, bollowed from tex.web
89 local floor = math.floor
91 local function print_scaled(s)
97 out=out..tostring(floor(s/unity)) .. '.'
100 if delta>unity then s=s+32768-50000 end
101 out=out .. tostring(floor(s/unity))
108 local function print_glue(d,order)
109 local out=print_scaled(d)
113 out=out..'l'; order=order-1
121 local function print_spec(p)
122 local out=print_scaled(p.width)..'pt'
124 out=out..' plus '..print_glue(p.stretch,p.stretch_order)
127 out=out..' minus '..print_glue(p.shrink,p.shrink_order)
133 ------------------------------------------------------------------------
134 -- CODE FOR GETTING/SETTING PARAMETERS
135 ------------------------------------------------------------------------
137 -- EXT: print parameters that don't need arguments
139 luatexja.unary_pars = {
140 yalbaselineshift = function(t)
141 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
143 yjabaselineshift = function(t)
144 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
146 kanjiskip = function(t)
147 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
149 xkanjiskip = function(t)
150 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
152 jcharwidowpenalty = function(t)
153 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
155 autospacing = function(t)
156 return tex.getattribute('ltj@autospc')
158 autoxspacing = function(t)
159 return tex.getattribute('ltj@autoxspc')
161 differentjfm = function(t)
162 local f, r = luatexja.jfmglue.diffmet_rule, '???'
163 if f == math.max then r = 'large'
164 elseif f == math.min then r = 'small'
165 elseif f == math.two_average then r = 'average'
166 elseif f == math.two_paverage then r = 'paverage'
167 elseif f == math.two_pleft then r = 'pleft'
168 elseif f == math.two_pright then r = 'pright'
169 elseif f == math.two_add then r = 'both'
175 local unary_pars = luatexja.unary_pars
176 function luatexja.ext_get_parameter_unary(k)
177 if unary_pars[k] then
178 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
184 -- EXT: print parameters that need arguments
186 luatexja.binary_pars = {
187 jacharrange = function(c, t)
188 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
190 ltjb.package_error('luatexja',
191 'invalid character range number (' .. tostring(c) .. ')',
192 'A character range number should be in the range 1..'
193 .. 31*ltjc.ATTR_RANGE .. ",\n"..
194 'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
195 c=0 -- external range 217 == internal range 0
196 elseif c==31*ltjc.ATTR_RANGE then c=0
198 -- 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
199 return (c<0) and 1 or ltjc.get_range_setting(c)
201 prebreakpenalty = function(c, t)
202 return ltjs.get_stack_table(stack_table_index.PRE
203 + ltjb.in_unicode(c, true), 0, t)
205 postbreakpenalty = function(c, t)
206 return ltjs.get_stack_table(stack_table_index.POST
207 + ltjb.in_unicode(c, true), 0, t)
209 kcatcode = function(c, t)
210 return ltjs.get_stack_table(stack_table_index.KCAT
211 + ltjb.in_unicode(c, false), 0, t)
213 chartorange = function(c, t)
214 return ltjc.char_to_range(ltjb.in_unicode(c, false))
216 jaxspmode = function(c, t)
217 return ltjs.get_stack_table(stack_table_index.XSP
218 + ltjb.in_unicode(c, true), 3, t)
221 local binary_pars = luatexja.binary_pars
223 binary_pars.alxspmode = binary_pars.jaxspmode
224 function luatexja.ext_get_parameter_binary(k,c)
225 if binary_pars[k] then
226 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
231 -- EXT: print \global if necessary
232 function luatexja.ext_print_global()
233 if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
238 local Dnode = node.direct or node
239 local nullfunc = function (n) return n end
240 local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
241 local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
242 -- mode = true iff main_process is called from pre_linebreak_filter
243 local function main_process(head, mode, dir)
244 local p = to_direct(head)
245 p = ltjj.main(p,mode)
246 if p then p = ltjw.set_ja_width(p, dir) end
252 luatexbase.add_to_callback(
253 'pre_linebreak_filter',
254 function (head,groupcode)
255 return main_process(head, true, tex.textdir)
256 end,'ltj.pre_linebreak_filter',
257 luatexbase.priority_in_callback('pre_linebreak_filter',
258 'luaotfload.node_processor') + 1)
259 luatexbase.add_to_callback(
261 function (head,groupcode,size,packtype, dir)
262 return main_process(head, false, dir)
263 end,'ltj.hpack_filter',
264 luatexbase.priority_in_callback('hpack_filter',
265 'luaotfload.node_processor') + 1)
270 local otfl_fdr = fonts.definers.read
271 local ltjr_font_callback = ltjr.font_callback
272 function luatexja.font_callback(name, size, id)
273 return ltjf.font_callback(
275 function (name, size, id) return ltjr_font_callback(name, size, id, otfl_fdr) end
278 luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
288 local node_type = node.type
289 local node_next = node.next
290 local has_attr = node.has_attribute
292 local id_penalty = node.id('penalty')
293 local id_glyph = node.id('glyph')
294 local id_glue_spec = node.id('glue_spec')
295 local id_glue = node.id('glue')
296 local id_kern = node.id('kern')
297 local id_hlist = node.id('hlist')
298 local id_vlist = node.id('vlist')
299 local id_rule = node.id('rule')
300 local id_math = node.id('math')
301 local id_whatsit = node.id('whatsit')
302 local sid_user = node.subtype('user_defined')
304 local function get_attr_icflag(p)
305 return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
310 local function debug_show_node_X(p,print_fn)
311 local k = debug_depth
313 local pt=node_type(p.id)
314 local base = debug_depth .. string.format('%X', get_attr_icflag(p))
315 .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
316 if pt == 'glyph' then
317 s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
318 .. ' (' .. print_scaled(p.height) .. '+'
319 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
321 elseif pt=='hlist' or pt=='vlist' then
322 s = base .. '(' .. print_scaled(p.height) .. '+'
323 .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) .. p.dir
325 s = s .. ', shifted ' .. print_scaled(p.shift)
327 if p.glue_sign >= 1 then
328 s = s .. ' glue set '
329 if p.glue_sign == 2 then s = s .. '-' end
330 s = s .. tostring(floor(p.glue_set*10000)/10000)
331 if p.glue_order == 0 then
335 for i = 2, p.glue_order do s = s .. 'l' end
338 if get_attr_icflag(p) == icflag_table.PACKED then
343 debug_depth=debug_depth.. '.'
345 debug_show_node_X(q, print_fn); q = node_next(q)
348 elseif pt == 'glue' then
349 s = base .. ' ' .. print_spec(p.spec)
350 if get_attr_icflag(p)>icflag_table.KINSOKU
351 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
352 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
353 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
354 s = s .. ' (kanjiskip)'
355 elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
356 s = s .. ' (kanjiskip, JFM specified)'
357 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
358 s = s .. ' (xkanjiskip)'
359 elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
360 s = s .. ' (xkanjiskip, JFM specified)'
363 elseif pt == 'kern' then
364 s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
366 s = s .. ' (for accent)'
367 elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
368 s = s .. ' (italic correction)'
369 -- elseif get_attr_icflag(p)==ITALIC then
370 -- s = s .. ' (italic correction)'
371 elseif get_attr_icflag(p)>icflag_table.KINSOKU
372 and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
373 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
376 elseif pt == 'penalty' then
377 s = base .. ' ' .. tostring(p.penalty)
378 if get_attr_icflag(p)==icflag_table.KINSOKU then
379 s = s .. ' (for kinsoku)'
382 elseif pt == 'whatsit' then
383 s = base .. ' subtype: ' .. tostring(p.subtype)
384 if p.subtype==sid_user then
385 if p.type ~= 110 then
386 s = s .. ' user_id: ' .. p.user_id .. ' ' .. p.value
389 s = s .. ' user_id: ' .. p.user_id .. ' (node list)'
392 debug_depth=debug_depth.. '.'
394 debug_show_node_X(q, print_fn); q = node_next(q)
399 s = s .. node.subtype(p.subtype); print_fn(s)
401 -------- math node --------
402 elseif pt=='noad' then
403 s = base ; print_fn(s)
405 debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
408 debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
411 debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
414 elseif pt=='math_char' then
415 s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
417 elseif pt=='sub_box' then
420 debug_depth = k .. '.'; debug_show_node_X(p.head, print_fn);
427 function luatexja.ext_show_node_list(head,depth,print_fn)
431 debug_show_node_X(head, print_fn); head = node_next(head)
434 print_fn(debug_depth .. ' (null list)')
437 function luatexja.ext_show_node(head,depth,print_fn)
440 debug_show_node_X(head, print_fn)
442 print_fn(debug_depth .. ' (null list)')