--
--- luatexja/ltj-jfmglue.lua
+-- ltj-jfmglue.lua
--
luatexbase.provides_module({
name = 'luatexja.jfmglue',
- date = '2015/05/03',
- description = 'Insertion process of JFM glues and kanjiskip',
+ date = '2020/01/23',
+ description = 'Insertion process of JFM glues, [x]kanjiskip and others',
})
-module('luatexja.jfmglue', package.seeall)
-local err, warn, info, log = luatexbase .errwarinf(_NAME)
+luatexja.jfmglue = luatexja.jfmglue or {}
luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('stack'); local ltjs = luatexja.stack
luatexja.load_module('jfont'); local ltjf = luatexja.jfont
luatexja.load_module('direction'); local ltjd = luatexja.direction
-luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
+luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
+luatexja.load_module('lotf_aux'); local ltju = luatexja.lotf_aux
local pairs = pairs
-local Dnode = node.direct or node
-
-local nullfunc = function(n) return n end
-local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
-local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
-
-local setfield = (Dnode ~= node) and Dnode.setfield or function(n, i, c) n[i] = c end
-local getfield = (Dnode ~= node) and Dnode.getfield or function(n, i) return n[i] end
-local getid = (Dnode ~= node) and Dnode.getid or function(n) return n.id end
-local getfont = (Dnode ~= node) and Dnode.getfont or function(n) return n.font end
-local getlist = (Dnode ~= node) and Dnode.getlist or function(n) return n.head end
-local getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end
-local getsubtype = (Dnode ~= node) and Dnode.getsubtype or function(n) return n.subtype end
-
-local has_attr = Dnode.has_attribute
-local set_attr = Dnode.set_attribute
-local insert_before = Dnode.insert_before
-local insert_after = Dnode.insert_after
-local node_next = (Dnode ~= node) and Dnode.getnext or node.next
-local round = tex.round
+--local to_node = node.direct.tonode
+--local to_direct = node.direct.todirect
+
+local setfield = node.direct.setfield
+local setglue = luatexja.setglue
+local getfield = node.direct.getfield
+local getid = node.direct.getid
+local getfont = node.direct.getfont
+local getlist = node.direct.getlist
+local getchar = node.direct.getchar
+local getsubtype = node.direct.getsubtype
+local if_lang_ja
+do
+ local lang_ja = luatexja.lang_ja
+ local getlang = node.direct.getlang
+ -- glyph with font number 0 (\nullfont) is always considered an ALchar node
+ if_lang_ja = getlang
+ and function (n) return (getlang(n)==lang_ja)and(getfont(n)~=0) end
+ or function (n) return (getfield(n,'lang')==lang_ja)and(getfont(n)~=0) end
+end
+
+local has_attr = node.direct.has_attribute
+local set_attr = node.direct.set_attribute
+local insert_before = node.direct.insert_before
+local insert_after = node.direct.insert_after
+local node_next = node.direct.getnext
local ltjd_make_dir_whatsit = ltjd.make_dir_whatsit
local ltjf_font_metric_table = ltjf.font_metric_table
local ltjf_find_char_class = ltjf.find_char_class
-local node_new = Dnode.new
-local node_copy = Dnode.copy
-local node_remove = Dnode.remove
-local node_tail = Dnode.tail
-local node_free = Dnode.free
-local node_end_of_math = Dnode.end_of_math
+local node_new = node.direct.new
+local node_copy = node.direct.copy
+local node_tail = node.direct.tail
+local node_free = node.direct.free
+local node_remove = node.direct.remove
local id_glyph = node.id('glyph')
local id_hlist = node.id('hlist')
local id_kern = node.id('kern')
local id_penalty = node.id('penalty')
-local id_glue_spec = node.id('glue_spec')
local id_jglyph = 512 -- Japanese character
local id_box_like = 256 -- vbox, shifted hbox
local id_pbox = 257 -- already processed nodes (by \unhbox)
local id_pbox_w = 258 -- cluster which consists of a whatsit
local sid_user = node.subtype('user_defined')
-local lang_ja = luatexja.lang_ja
-
-local sid_start_link = node.subtype('pdf_start_link')
-local sid_start_thread = node.subtype('pdf_start_thread')
-local sid_end_link = node.subtype('pdf_end_link')
-local sid_end_thread = node.subtype('pdf_end_thread')
local ITALIC = luatexja.icflag_table.ITALIC
local PACKED = luatexja.icflag_table.PACKED
local capsule_glyph
local tex_dir
local attr_ablshift
-local set_np_xspc_jachar
+local set_np_xspc_jachar, set_np_xspc_alchar
local set_np_xspc_jachar_hbox
local ltjs_orig_char_table = ltjs.orig_char_table
end
end
-local zero_glue = node_new(id_glue)
-spec_zero_glue = to_node(node_new(id_glue_spec))
- -- must be public, since mentioned from other sources
-local spec_zero_glue = to_direct(spec_zero_glue)
-setfield(spec_zero_glue, 'width', 0)
-setfield(spec_zero_glue, 'stretch', 0)
-setfield(spec_zero_glue, 'shrink', 0)
-setfield(spec_zero_glue, 'stretch_order', 0)
-setfield(spec_zero_glue, 'shrink_order', 0)
-setfield(zero_glue, 'spec', spec_zero_glue)
-
-local function skip_table_to_spec(n)
- local g, st = node_new(id_glue_spec), ltjs.fast_get_stack_skip(n)
- setfield(g, 'width', st.width)
- setfield(g, 'stretch', st.stretch)
- setfield(g, 'shrink', st.shrink)
- setfield(g, 'stretch_order', st.stretch_order)
- setfield(g, 'shrink_order', st.shrink_order)
- return g
+local function skip_table_to_glue(n)
+ local g, st = node_new(id_glue), ltjs.fast_get_stack_skip(n)
+ setglue(g, st.width, st.stretch, st.shrink, st.stretch_order, st.shrink_order)
+ return g, (st.width==1073741823)
end
-- penalty 値の計算
-local function add_penalty(p,e)
- local pp = getfield(p, 'penalty')
- if pp>=10000 then
- if e<=-10000 then setfield(p, 'penalty', 0) end
- elseif pp<=-10000 then
- if e>=10000 then setfield(p, 'penalty', 0) end
- else
- pp = pp + e
- if pp>=10000 then setfield(p, 'penalty', 10000)
- elseif pp<=-10000 then setfield(p, 'penalty', -10000)
- else setfield(p, 'penalty', pp) end
+local add_penalty
+do
+local setpenalty = node.direct.setpenalty or function(n, a) setfield(n,'penalty',a) end
+local getpenalty = node.direct.getpenalty or function(n) return getfield(n,'penalty') end
+function add_penalty(p,e)
+ local pp = getpenalty(p)
+ if (pp>-10000) and (pp<10000) then
+ if e>=10000 then setpenalty(p, 10000)
+ elseif e<=-10000 then setpenalty(p, -10000)
+ else
+ pp = pp + e
+ if pp>=10000 then setpenalty(p, 10000)
+ elseif pp<=-10000 then setpenalty(p, -10000)
+ else setpenalty(p, pp) end
+ end
end
end
+end
-- 「異なる JFM」の間の調整方法
-diffmet_rule = math.two_paverage
+luatexja.jfmglue.diffmet_rule = math.two_paverage
function math.two_add(a,b) return a+b end
function math.two_average(a,b) return (a+b)*0.5 end
function math.two_paverage(a,b) return (a+b)/2 end
-------------------- hlist 内の文字の検索
local first_char, last_char, find_first_char
+local check_box_high
do
local ltjd_glyph_from_packed = ltjd.glyph_from_packed
local function check_box(box_ptr, box_end)
if getfield(p, 'shift')==0 then
last_char = nil
if check_box(getlist(p), nil) then found_visible_node = true end
+ find_first_char = false
else
find_first_char = false; last_char = nil
end
return found_visible_node
end
-function check_box_high(Nx, box_ptr, box_end)
+check_box_high = function (Nx, box_ptr, box_end)
first_char = nil; last_char = nil; find_first_char = true
if check_box(box_ptr, box_end) then
local first_char = first_char
if first_char then
if getid(first_char)==id_glyph then
- if getfield(first_char, 'lang') == lang_ja then
+ if if_lang_ja(first_char) then
set_np_xspc_jachar_hbox(Nx, first_char)
else
set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1)
-- calc next Np
local calc_np
-do
+do -- 001 -----------------------------------------------
-local traverse = Dnode.traverse
+local traverse = node.direct.traverse
local function check_next_ickern(lp)
- if lp and getid(lp) == id_kern and ITALIC == get_attr_icflag(lp) then
- set_attr(lp, attr_icflag, IC_PROCESSED)
- Np.last = lp; return node_next(lp)
- else
- Np.last = Np.nuc; return lp
+ local lx = Np.nuc
+ while lp and getid(lp) == id_kern and ( getsubtype(lp)==0 or
+ getsubtype(lp)==3 or ITALIC == get_attr_icflag(lp)) do
+ set_attr(lp, attr_icflag, IC_PROCESSED);
+ lx, lp = lp, node_next(lp)
end
+ Np.last = lx; return lp
end
local function calc_np_pbox(lp, last)
- local first, lpa, nc = (not Np.first), KINSOKU, nil
+ local first, nc = (not Np.first), nil
+ --local lpa = get_attr_icflag(lp)==PACKED and PACKED or KINSOKU -- KINSOKU: dummy
+ local lpa = get_attr_icflag(lp)
Np.first = Np.first or lp; Np.id = id_pbox
set_attr(lp, attr_icflag, get_attr_icflag(lp));
while lp ~=last and (lpa>=PACKED) and (lpa<BOXBDD) do
- if getid(lp)==id_hlist or getid(lp)==id_vlist then
+ local lpi = getid(lp)
+ if lpa==PACKED then
+ if lpi==id_rule then lp = node_next(lp) end
+ nc, lp = lp, node_next(lp)
+ elseif lpi==id_hlist or lpi==id_vlist then
head, lp, nc = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm pbox')
Np.first = first and nc or Np.first
else
return lp
end
-local ltjw_apply_ashift_math = ltjw.apply_ashift_math
-local ltjw_apply_ashift_disc = ltjw.apply_ashift_disc
-local min, max = math.min, math.max
-local function calc_np_aux_glyph_common(lp)
- Np.nuc = lp
- Np.first= (Np.first or lp)
- if getfield(lp, 'lang') == lang_ja then
+local calc_np_aux_glyph_common
+do -- 002 ---------------------------------------
+ local min, max = math.min, math.max
+ local getwhd = node.direct.getwhd
+ local attr_jchar_class = luatexbase.attributes['ltj@charclass']
+ local attr_jchar_code = luatexbase.attributes['ltj@charcode']
+ local font_getfont = font.getfont
+ local function calc_np_notdef(lp)
+ if not font_getfont(getfont(lp)).characters[getchar(lp)] then
+ local ln = node_next(lp)
+ if ltju.specified_feature(getfont(lp), 'notdef') and ln and getid(ln)==id_glyph then
+ set_attr(lp, attr_icflag, PROCESSED)
+ set_attr(ln, attr_jchar_code, has_attr(lp, attr_jchar_code) or getchar(lp))
+ set_attr(ln, attr_jchar_class, has_attr(lp, attr_jchar_class) or 0)
+ Np.nuc, lp = ln, ln
+ end
+ end
+ return lp
+ end
+function calc_np_aux_glyph_common(lp, acc_flag)
+ Np.nuc, Np.first = lp, (Np.first or lp)
+ if if_lang_ja(lp) then -- JAchar
Np.id = id_jglyph
- local m, cls = set_np_xspc_jachar(Np, lp)
+ local m, mc, cls = set_np_xspc_jachar(Np, lp)
local npi, npf
- lp, head, npi, npf = capsule_glyph(lp, m, cls, head, tex_dir, lp)
+ local w, h, d = getwhd(lp)
+ if w==0 and h==0 and d==0 then lp = calc_np_notdef(lp) end
+ lp, head, npi, npf = capsule_glyph(lp, m, mc[cls], head, tex_dir)
Np.first = (Np.first~=Np.nuc) and Np.first or npf or npi
Np.nuc = npi
return true, check_next_ickern(lp);
- else
+ else --ALchar
Np.id = id_glyph
set_np_xspc_alchar(Np, getchar(lp), lp, 1)
-- loop
lp=lx; break
else
local lid = getid(lx)
- if lid==id_glyph and getfield(lx, 'lang') ~= lang_ja then
+ if lid==id_glyph and not if_lang_ja(lx) then
-- 欧文文字
last_glyph = lx; set_attr(lx, attr_icflag, PROCESSED); Np.last = lx
y_adjust = has_attr(lx,attr_ablshift) or 0
if ls==2 then -- アクセント用の kern
set_attr(lx, attr_icflag, PROCESSED)
lx = node_next(lx) -- lx: アクセント本体
- setfield(lx, 'yoffset', getfield(lx, 'yoffset') - (has_attr(lx,attr_ablshift) or 0))
+ if getid(lx)==id_glyph then
+ setfield(lx, 'yoffset', getfield(lx, 'yoffset') - (has_attr(lx,attr_ablshift) or 0))
+ else -- アクセントは上下にシフトされている
+ setfield(lx, 'shift', getfield(lx, 'shift') + (has_attr(lx,attr_ablshift) or 0))
+ end
lx = node_next(node_next(lx))
elseif ls==0 then
Np.last = lx
- elseif (ls==1 and lai==ITALIC) then
+ elseif (ls==3) or (lai==ITALIC) then
Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED)
else
lp=lx; break
end
local r
if adj_depth>node_depth then
- r = node_new(id_rule)
+ r = node_new(id_rule,3)
setfield(r, 'width', 0); setfield(r, 'height', 0)
setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir)
set_attr(r, attr_icflag, PROCESSED)
node_free(r)
elseif (ct.left_protruding or 0) == 0 then
head = insert_before(head, npn, r)
- Np.first = (Np.first==npn) and r or npn
+ Np.first = acc_flag and Np.first or ((Np.first==npn) and r or npn)
elseif (ct.right_protruding or 0) == 0 then
insert_after(head, npn, r); Np.last, lp = r, r
else
return true, lp
end
end
-local calc_np_auxtable = {
+end -- 002 ---------------------------------------
+local calc_np_auxtable
+do -- 002 ---------------------------------------
+local ltjw_apply_ashift_math = ltjw.apply_ashift_math
+local ltjw_apply_ashift_disc = ltjw.apply_ashift_disc
+local node_end_of_math = node.direct.end_of_math
+local dir_tate = luatexja.dir_table.dir_tate
+local sid_start_link = node.subtype('pdf_start_link')
+local sid_start_thread = node.subtype('pdf_start_thread')
+local sid_end_link = node.subtype('pdf_end_link')
+local sid_end_thread = node.subtype('pdf_end_thread')
+calc_np_auxtable = {
[id_glyph] = calc_np_aux_glyph_common,
[id_hlist] = function(lp)
local op, flag
Np.id = id_box_like;
return true, node_next(lp)
end,
- skip = function(lp)
- set_attr(lp, attr_icflag, PROCESSED)
- return false, node_next(lp)
- end,
[id_whatsit] = function(lp)
local lps = getsubtype(lp)
if lps==sid_user then
local lq = node_next(lp);
head = node_remove(head, lp); node_free(lp); non_ihb_flag = false
return false, lq;
+ elseif getfield(lp, 'user_id')==luatexja.userid_table.JA_AL_BDD then
+ local lq = node_next(lp);
+ head = node_remove(head, lp); node_free(lp)
+ return false, lq;
else
set_attr(lp, attr_icflag, PROCESSED)
luatexbase.call_callback("luatexja.jfmglue.whatsit_getinfo",
if getsubtype(lp)==2 then
Np.first = Np.first or lp
set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
+ if getid(lp)==id_glyph then -- アクセント本体
+ setfield(lp, 'yoffset', getfield(lp, 'yoffset') - (has_attr(lp,attr_ablshift) or 0))
+ else -- アクセントは上下にシフトされている
+ setfield(lp, 'shift', getfield(lp, 'shift') + (has_attr(lp,attr_ablshift) or 0))
+ end
set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp)
set_attr(lp, attr_icflag, PROCESSED);
- return calc_np_aux_glyph_common(lp)
+ return calc_np_aux_glyph_common(lp, true)
else
Np.first = Np.first or lp
Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED)
return false, node_next(lp)
end,
}
+end -- 002 ---------------------------------------
calc_np_auxtable[id_rule] = calc_np_auxtable.box_like
-calc_np_auxtable[13] = calc_np_auxtable.box_like
-calc_np_auxtable[id_ins] = calc_np_auxtable.skip
-calc_np_auxtable[id_mark] = calc_np_auxtable.skip
-calc_np_auxtable[id_adjust] = calc_np_auxtable.skip
+calc_np_auxtable[15] = calc_np_auxtable.box_like
+
+local function calc_np_aux_skip (lp)
+ set_attr(lp, attr_icflag, PROCESSED)
+ return false, node_next(lp)
+end
function calc_np(last, lp)
local k
Np.post, Np.pre, Np.xspc = nil, nil, nil
Np.first, Np.id, Np.last, Np.met, Np.class= nil, nil, nil, nil
Np.auto_kspc, Np.auto_xspc, Np.char, Np.nuc = nil, nil, nil, nil
+ -- auto_kspc, auto_xspc: normally true/false,
+ -- but the number 0 when Np is ''the beginning of the box/paragraph''.
for k in pairs(Np) do Np[k] = nil end
for k = 1,#Bp do Bp[k] = nil end
while lp ~= last do
local lpa = has_attr(lp, attr_icflag) or 0
- -- unbox 由来ノードの検出
+ -- unbox 由来ノードの検出
if lpa>=PACKED then
if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then
local lq = node_next(lp)
return calc_np_pbox(lp, last)
end -- id_pbox
else
- k, lp = calc_np_auxtable[getid(lp)](lp)
+ k, lp = (calc_np_auxtable[getid(lp)] or calc_np_aux_skip)(lp)
if k then return lp end
end
end
Np=nil
end
-end
+end -- 001 -----------------------------------------------
-- extract informations from Np
-- We think that "Np is a Japanese character" if Np.met~=nil,
-- "Np is an alphabetic character" if Np.pre~=nil,
-- "Np is not a character" otherwise.
-after_hlist = nil -- global
+local after_hlist = nil -- global
local after_alchar, extract_np
do
local PRE = luatexja.stack_table_index.PRE
local attr_jchar_code = luatexbase.attributes['ltj@charcode']
local attr_autospc = luatexbase.attributes['ltj@autospc']
local attr_autoxspc = luatexbase.attributes['ltj@autoxspc']
+ local getcomponents = node.direct.getcomponents
--local ltjf_get_vert_glyph = ltjf.get_vert_glyph
function set_np_xspc_jachar(Nx, x)
local m = ltjf_font_metric_table[getfont(x)]
- local c, c_glyph = ltjs_orig_char_table[x], getchar(x)
+ local c, c_glyph = (not getcomponents(x) and ltjs_orig_char_table[x]), getchar(x)
+ if c and c~=c_glyph then set_attr(x, attr_jchar_code, c) end
c = c or c_glyph
local cls = slow_find_char_class(c, m, c_glyph)
Nx.met, Nx.class, Nx.char = m, cls, c;
+ local mc = m.char_type; Nx.char_type = mc
if cls~=0 then set_attr(x, attr_jchar_class, cls) end
- if c~=c_glyph then set_attr(x, attr_jchar_code, c) end
Nx.pre = table_current_stack[PRE + c] or 0
Nx.post = table_current_stack[POST + c] or 0
Nx.xspc = table_current_stack[XSP + c] or 3
Nx.kcat = table_current_stack[KCAT + c] or 0
Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1)
- return m, cls
+ return m, mc, cls
end
function set_np_xspc_jachar_hbox(Nx, x)
local m = ltjf_font_metric_table[getfont(x)]
local c = has_attr(x, attr_jchar_code) or getchar(x)
Nx.met, Nx.char = m, c; Nx.class = has_attr(x, attr_jchar_class) or 0;
+ local mc = m.char_type; Nx.char_type = mc
Nx.pre = table_current_stack[PRE + c] or 0
Nx.post = table_current_stack[POST + c] or 0
Nx.xspc = table_current_stack[XSP + c] or 3
-- 欧文文字のデータを取得
local floor = math.floor
+ local nullfunc = function(n) return n end
function set_np_xspc_alchar(Nx, c,x, lig)
if c~=-1 then
local f = (lig ==1) and nullfunc or node_tail
- local xc, xs = getfield(x, 'components'), getsubtype(x)
+ local xc, xs = getcomponents(x), getsubtype(x)
while xc and xs and xs%4>=2 do
- x = f(xc); xc, xs = getfield(x, 'components'), getsubtype(x)
+ x = f(xc);
+ if getid(x)==id_disc then x, xc, xs = nil, getfield(x,'replace'), 2
+ else xc, xs = getcomponents(x), getsubtype(x) end
end
- c = getchar(x)
+ c = x and getchar(x) or c
Nx.pre = table_current_stack[PRE + c] or 0
Nx.post = table_current_stack[POST + c] or 0
- Nx.xspc = table_current_stack[XSP + c] or 3
else
Nx.pre, Nx.post = 0, 0
- Nx.xspc = table_current_stack[XSP - 1] or 3
end
Nx.met = nil
+ Nx.xspc = table_current_stack[XSP + c] or 3
Nx.auto_xspc = (has_attr(x, attr_autoxspc)==1)
end
local set_np_xspc_alchar = set_np_xspc_alchar
local s = Nx.last_char
if s then
if getid(s)==id_glyph then
- if getfield(s, 'lang') == lang_ja then
+ if if_lang_ja(s) then
set_np_xspc_jachar_hbox(Nx, s)
else
set_np_xspc_alchar(Nx, getchar(s), s, 2)
-------------------- 最下層の処理
+luatexbase.create_callback('luatexja.adjust_jfmglue', 'simple', function(n) return n end)
+
-- change penalties (or create a new penalty, if needed)
local function handle_penalty_normal(post, pre, g)
+ luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
local a = (pre or 0) + (post or 0)
if #Bp == 0 then
if (a~=0 and not(g and getid(g)==id_kern)) then
end
local function handle_penalty_always(post, pre, g)
+ luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
local a = (pre or 0) + (post or 0)
if #Bp == 0 then
if not (g and getid(g)==id_glue) or a~=0 then
end
local function handle_penalty_suppress(post, pre, g)
- local a = (pre or 0) + (post or 0)
+ luatexbase.call_callback('luatexja.adjust_jfmglue', head, Nq, Np, Bp)
if #Bp == 0 then
if g and getid(g)==id_glue then
local p = node_new(id_penalty)
Bp[1]=p
set_attr(p, attr_icflag, KINSOKU)
end
- else for _, v in pairs(Bp) do add_penalty(v,a) end
+ else
+ local a = (pre or 0) + (post or 0)
+ for _, v in pairs(Bp) do add_penalty(v,a) end
+ end
+end
+
+local function handle_penalty_jwp()
+ local a = table_current_stack[luatexja.stack_table_index.JWP]
+ if #widow_Bp == 0 then
+ if a~=0 then
+ local p = node_new(id_penalty)
+ if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end
+ setfield(p, 'penalty', a)
+ head = insert_before(head, widow_Np.first, p)
+ widow_Bp[1]=p;
+ set_attr(p, attr_icflag, KINSOKU)
+ end
+ else for _, v in pairs(widow_Bp) do add_penalty(v,a) end
end
end
-- 和文文字間の JFM glue を node 化
-local function new_jfm_glue(m, bc, ac)
+local function new_jfm_glue(mc, bc, ac)
-- bc, ac: char classes
- local g = m.char_type[bc][ac]
+ local g = mc[bc][ac]
if g then
- if g[1] then
+ if g[1] then
+ return node_copy(g[1]), g.ratio, false, false, false
+ else
local f = node_new(id_glue)
- set_attr(f, attr_icflag, g[4])
- setfield(f, 'spec', node_copy(g[2]))
- return f, g[3]
- else
- return node_copy(g[2]), g[3]
+ set_attr(f, attr_icflag, g.priority)
+ setglue(f, g.width, g.stretch, g.shrink)
+ return f, g.ratio, g.kanjiskip_natural, g.kanjiskip_stretch, g.kanjiskip_shrink
end
end
- return nil, 0
+ return false, 0
end
-- Nq.last (kern w) .... (glue/kern g) Np.first
-------------------- 和文文字間空白量の決定
-local null_skip_table = {0, 0, 0}
--- get kanjiskip
-local get_kanjiskip
-local get_kanjiskip_normal, get_kanjiskip_jfm
-do
- local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
- local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM
- get_kanjiskip_normal = function ()
- if Np.auto_kspc or Nq.auto_kspc then
- return node_copy(kanji_skip)
- else
- local g = node_copy(zero_glue)
- set_attr(g, attr_icflag, KANJI_SKIP)
- return g
- end
- end
-
- get_kanjiskip_jfm = function ()
- local g
- if Np.auto_kspc or Nq.auto_kspc then
- g = node_new(id_glue); --copy_attr(g, Nq.nuc)
- local gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
- local pm, qm = Np.met, Nq.met
- local bk = qm.kanjiskip or null_skip_table
- if (pm.char_type==qm.char_type) and (qm.var==pm.var) then
- setfield(gx, 'width', bk[1])
- setfield(gx, 'stretch', bk[2])
- setfield(gx, 'shrink', bk[3])
- else
- local ak = pm.kanjiskip or null_skip_table
- setfield(gx, 'width', round(diffmet_rule(bk[1], ak[1])))
- setfield(gx, 'stretch', round(diffmet_rule(bk[2], ak[2])))
- setfield(gx, 'shrink', -round(diffmet_rule(-bk[3], -ak[3])))
- end
- setfield(g, 'spec', gx)
- else
- g = node_copy(zero_glue)
- end
- set_attr(g, attr_icflag, KANJI_SKIP_JFM)
- return g
- end
-end
-
local calc_ja_ja_aux
do
+ local round = tex.round
local bg_ag = 2*id_glue - id_glue
local bg_ak = 2*id_glue - id_kern
local bk_ag = 2*id_kern - id_glue
local bk_ak = 2*id_kern - id_kern
- calc_ja_ja_aux = function (gb,ga, db, da)
- local rbb, rab = 0.5*(1-db), 0.5*(1-da) -- 「前の文字」由来のグルーの割合
- local rba, raa = 0.5*(1+db), 0.5*(1+da) -- 「前の文字」由来のグルーの割合
- if diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright
- and diffmet_rule ~= math.two_paverage then
- rbb, rab, rba, raa = 1,0,0,1
+ local function blend_diffmet(b, a, rb, ra)
+ return round(luatexja.jfmglue.diffmet_rule((1-rb)*b+rb*a, (1-ra)*b+ra*a))
+ end
+ local blend_diffmet_inf
+ do
+ local abs, log, log264, floor = math.abs, math.log, math.log(2)*64, math.floor
+ blend_diffmet_inf = function (b, a, bo, ao, rb, ra)
+ local nb, na = (bo and b*2.0^(64*bo) or 0), (ao and a*2.0^(64*ao) or 0)
+ local r = luatexja.jfmglue.diffmet_rule((1-rb)*nb+rb*na, (1-ra)*nb+ra*na)
+ local ro = (r~=0) and floor(log(abs(r))/log264+0.0625) or 0
+ return round(r/2.^(64*ro)), ro
+ end
+ end
+ local getglue = luatexja.getglue
+ calc_ja_ja_aux = function (gb, ga, db, da)
+ if luatexja.jfmglue.diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright
+ and luatexja.jfmglue.diffmet_rule ~= math.two_paverage then
+ db, da = 0, 1
end
if not gb then
- if ga then
- gb = node_new(id_kern); setfield(gb, 'kern', 0)
+ if ga then gb = node_new(id_kern, 1); setfield(gb, 'kern', 0)
else return nil end
elseif not ga then
- ga = node_new(id_kern); setfield(ga, 'kern', 0)
+ ga = node_new(id_kern, 1); setfield(ga, 'kern', 0)
end
-
- local k = 2*getid(gb) - getid(ga)
- if k == bg_ag then
- local bs, as = getfield(gb, 'spec'), getfield(ga, 'spec')
- -- 両方とも glue．
- local bd, ad = getfield(bs, 'width'), getfield(as, 'width')
- setfield(bs, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad)))
- bd, ad = getfield(bs, 'stretch'), getfield(as, 'stretch')
- setfield(bs, 'stretch', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad)))
- bd, ad = getfield(bs, 'shrink'), getfield(as, 'shrink')
- setfield(bs, 'shrink', -round(diffmet_rule(-rbb*bd - rba*ad, -rab*bd - raa*ad)))
- node_free(ga)
- return gb
- elseif k == bk_ak then
- -- 両方とも kern．
- local bd, ad = getfield(gb, 'kern'), getfield(ga, 'kern')
- setfield(gb, 'kern', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad)))
- node_free(ga)
- return gb
- elseif k == bk_ag then
- local as = getfield(ga, 'spec')
- -- gb: kern, ga: glue
- local bd, ad = getfield(gb, 'kern'), getfield(as, 'width')
- setfield(as, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad)))
- ad = getfield(as, 'stretch')
- setfield(bs, 'stretch', round(diffmet_rule(rba*ad, raa*ad)))
- ad = getfield(as, 'shrink')
- setfield(bs, 'shrink', -round(diffmet_rule(-rba*ad, -raa*ad)))
- node_free(gb)
- return ga
+ local gbw, gaw, gbst, gast, gbsto, gasto, gbsh, gash, gbsho, gasho
+ if getid(gb)==id_glue then
+ gbw, gbst, gbsh, gbsto, gbsho = getglue(gb)
else
- local bs = getfield(gb, 'spec')
- -- gb: glue, ga: kern
- local bd, ad = getfield(bs, 'width'), getfield(ga, 'kern')
- setfield(bs, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad)))
- bd = getfield(bs, 'stretch')
- setfield(bs, 'stretch', round(diffmet_rule(rbb*bd, rab*bd)))
- bd = getfield(bs, 'shrink')
- setfield(bs, 'shrink', -round(diffmet_rule(-rbb*bd, -rab*bd)))
- node_free(ga)
- return gb
+ gbw = getfield(gb, 'kern')
+ end
+ if getid(ga)==id_glue then
+ gaw, gast, gash, gasto, gasho = getglue(ga)
+ else
+ gaw = getfield(ga, 'kern')
+ end
+ if not (gbst or gast) then -- 両方とも kern
+ setfield(gb, 'kern', blend_diffmet(gbw, gaw, db, da))
+ node_free(ga); return gb
+ else
+ local gr = gb
+ if not gbst then gr = ga; node_free(gb) else node_free(ga) end
+ gbw = blend_diffmet(gbw or 0, gaw or 0, db, da) -- 結果の自然長
+ gbst, gbsto = blend_diffmet_inf(gbst, gast, gbsto, gasto, db, da) -- 伸び
+ gbsh, gbsho = blend_diffmet_inf(-(gbsh or 0), -(gash or 0), gbsho, gasho, db, da) -- -(縮み)
+ setglue(gr, gbw, gbst, -gbsh, gbsto, gbsho)
+ return gr
end
end
end
-local function calc_ja_ja_glue()
- local qm, pm = Nq.met, Np.met
- if (qm.char_type==pm.char_type) and (qm.var==pm.var) then
- return new_jfm_glue(qm, Nq.class, Np.class)
- else
- local npn, nqn = Np.nuc, Nq.nuc
- local gb, db = new_jfm_glue(qm, Nq.class,
- slow_find_char_class(Np.char,
- qm, getchar(npn)))
- local ga, da = new_jfm_glue(pm,
- slow_find_char_class(Nq.char,
- pm, getchar(nqn)),
- Np.class)
- return calc_ja_ja_aux(gb, ga, db, da);
+local null_skip_table = {0, 0, 0}
+-- get kanjiskip
+local get_kanjiskip, kanjiskip_jfm_flag
+local get_kanjiskip_low
+local calc_ja_ja_glue
+do
+ local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
+ local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM
+
+ get_kanjiskip_low = function(flag, qm, bn, bp, bh)
+ -- flag = false: kanjiskip そのもの（パラメータ or JFM）
+ -- ノード kanji_skip のコピーで良い場合は nil が帰る
+ -- flag = true: JFM グルーに付随する kanjiskip 自然長/伸び/縮み分
+ if qm.with_kanjiskip and (bn or bp or bh) then
+ if kanjiskip_jfm_flag then
+ local g = node_new(id_glue);
+ local bk = qm.kanjiskip or null_skip_table
+ setglue(g, bn and (bn*bk[1]) or 0,
+ bp and (bp*bk[2]) or 0,
+ bh and (bh*bk[3]) or 0, 0, 0)
+ set_attr(g, attr_icflag, KANJI_SKIP_JFM)
+ return g
+ elseif flag then
+ local g = node_new(id_glue)
+ local st = bp and (bp*getfield(kanji_skip, 'stretch')) or 0
+ local sh = bh and (bh*getfield(kanji_skip, 'shrink')) or 0
+ setglue(g,
+ bn and (bn*getfield(kanji_skip, 'width')) or 0,
+ st, sh,
+ (st==0) and 0 or getfield(kanji_skip, 'stretch_order'),
+ (sh==0) and 0 or getfield(kanji_skip, 'shrink_order'))
+ set_attr(g, attr_icflag, KANJI_SKIP_JFM)
+ return g
+ end
+ end
+ end
+
+ get_kanjiskip = function()
+ if Np.auto_kspc==0 or Nq.auto_kspc==0 then
+ return nil
+ elseif Np.auto_kspc or Nq.auto_kspc then
+ local pm, qm = Np.met, Nq.met
+ if (pm.char_type==qm.char_type) and (qm.var==pm.var) then
+ return get_kanjiskip_low(false, qm, 1, 1, 1) or node_copy(kanji_skip)
+ else
+ local gb = get_kanjiskip_low(false, qm, 1, 1, 1)
+ if gb then
+ return calc_ja_ja_aux(gb,
+ get_kanjiskip_low(false, pm, 1, 1, 1) or node_copy(kanji_skip), 0, 1)
+ else
+ local ga = get_kanjiskip_low(false, pm, 1, 1, 1)
+ return (ga and calc_ja_ja_aux(node_copy(kanji_skip), ga, 0, 1))
+ or node_copy(kanji_skip)
+ end
+ end
+ else
+ local g = node_new(id_glue)
+ set_attr(g, attr_icflag, kanjiskip_jfm_flag and KANJI_SKIP_JFM or KANJI_SKIP)
+ return g
+ end
+ end
+
+ calc_ja_ja_glue = function ()
+ local qm, pm = Nq.met, Np.met
+ local qmc, pmc = qm.char_type, pm.char_type
+ if (qmc==pmc) and (qm.var==pm.var) then
+ local g, _, kn, kp, kh = new_jfm_glue(qmc, Nq.class, Np.class)
+ return g, (Np.auto_kspc or Nq.auto_kspc) and get_kanjiskip_low(true, qm, kn, kp, kh)
+ else
+ local npn, nqn = Np.nuc, Nq.nuc
+ local gb, db, bn, bp, bh
+ = new_jfm_glue(qmc, Nq.class,
+ slow_find_char_class(Np.char,
+ qm, getchar(npn)))
+ local ga, da, an, ap, ah
+ = new_jfm_glue(pmc,
+ slow_find_char_class(Nq.char,
+ pm, getchar(nqn)),
+ Np.class)
+ local g = calc_ja_ja_aux(gb, ga, db, da)
+ local k
+ --if (pmc==qmc) and (qm.var==pm.var) then
+ gb = get_kanjiskip_low(true, qm, bn, bp, bh)
+ ga = get_kanjiskip_low(true, pm, an, ap, ah)
+ k = calc_ja_ja_aux(gb, ga, db, da)
+ --end
+ return g, k
+ end
end
end
-------------------- 和欧文間空白量の決定
-- get xkanjiskip
-local get_xkanjiskip
+local get_xkanjiskip, xkanjiskip_jfm_flag
local get_xkanjiskip_normal, get_xkanjiskip_jfm
+local get_xkanjiskip_low
do
local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM
- get_xkanjiskip_normal = function (Nn)
- if (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
- return node_copy(xkanji_skip)
- else
- local g = node_copy(zero_glue)
- set_attr(g, attr_icflag, XKANJI_SKIP)
- return g
+
+ get_xkanjiskip_low = function(flag, qm, bn, bp, bh)
+ if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
+ if xkanjiskip_jfm_flag then
+ local g = node_new(id_glue);
+ local bk = qm.xkanjiskip or null_skip_table
+ setglue(g, bn and bk[1] or 0,
+ bp and bk[2] or 0,
+ bh and bk[3] or 0, 0, 0)
+ set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
+ return g
+ elseif flag then
+ return node_copy(xkanji_skip)
+ else
+ local g = node_new(id_glue);
+ setglue(g,
+ bn and (bn*getfield(xkanji_skip, 'width')) or 0,
+ bp and (bp*getfield(xkanji_skip, 'stretch')) or 0,
+ bh and (bh*getfield(xkanji_skip, 'shrink')) or 0,
+ bp and getfield(xkanji_skip, 'stretch_order') or 0,
+ bh and getfield(xkanji_skip, 'shrink_order') or 0)
+ set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
+ return g
+ end
end
end
- get_xkanjiskip_jfm = function (Nn)
- local g
- if (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
- g = node_new(id_glue)
- local gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
- local bk = Nn.met.xkanjiskip or null_skip_table
- setfield(gx, 'width', bk[1])
- setfield(gx, 'stretch', bk[2])
- setfield(gx, 'shrink', bk[3])
- setfield(g, 'spec', gx)
+
+ get_xkanjiskip = function(Nn)
+ if Np.auto_xspc==0 or Nq.auto_xspc==0 then
+ return nil
+ elseif (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then
+ return get_xkanjiskip_low(true, Nn.met, 1, 1, 1)
else
- g = node_copy(zero_glue)
+ local g = node_new(id_glue)
+ set_attr(g, attr_icflag, xkanjiskip_jfm_flag and XKANJI_SKIP_JFM or XKANJI_SKIP)
+ return g
end
- set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
- return g
end
end
-------------------- 隣接した「塊」間の処理
-local function get_OA_skip()
+local function combine_spc(name)
+ return (Np[name] or Nq[name]) and ((Np[name]~=0) and (Nq[name]~=0))
+end
+
+-- NA, NB: alchar or math
+local function get_NA_skip()
local pm = Np.met
- return new_jfm_glue(pm,
- fast_find_char_class((Nq.id == id_math and -1 or 'jcharbdd'), pm), Np.class)
+ local g, _, kn, kp, kh = new_jfm_glue(
+ pm.char_type,
+ fast_find_char_class(
+ (Nq.id == id_math and -1 or (Nq.xspc>=2 and 'alchar' or 'nox_alchar')), pm),
+ Np.class)
+ local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
+ and get_xkanjiskip_low(false, pm, kn, kp, kh)
+ return g, k
end
-local function get_OB_skip()
+local function get_NB_skip()
local qm = Nq.met
- return new_jfm_glue(qm, Nq.class,
- fast_find_char_class((Np.id == id_math and -1 or'jcharbdd'), qm))
+ local g, _, kn, kp, kh = new_jfm_glue(
+ qm.char_type, Nq.class,
+ fast_find_char_class(
+ (Np.id == id_math and -1 or (Np.xspc%2==1 and 'alchar' or 'nox_alchar')), qm)
+ )
+ local k = ((Nq.xspc>=2) and (Np.xspc%2==1) and combine_spc('auto_xspc'))
+ and get_xkanjiskip_low(false, qm, kn, kp, kh)
+ return g, k
+end
+
+local function get_OA_skip(is_kanji)
+ local pm = Np.met
+ local g, _, kn, kp, kh = new_jfm_glue(
+ pm.char_type,
+ fast_find_char_class(
+ (((Nq.id==id_glue)or(Nq.id==id_kern)) and 'glue' or 'jcharbdd'), pm),
+ Np.class)
+ local k
+ if is_kanji==0 then
+ k = combine_spc('auto_kspc') and get_kanjiskip_low(true, pm, kn, kp, kh)
+ end
+ return g, k
+end
+local function get_OB_skip(is_kanji)
+ local qm = Nq.met
+ local g, _, kn, kp, kh = new_jfm_glue(
+ qm.char_type, Nq.class,
+ fast_find_char_class(
+ (((Np.id==id_glue)or(Np.id==id_kern)) and 'glue' or 'jcharbdd'), qm))
+ local k
+ if is_kanji==0 then
+ k = combine_spc('auto_kspc') and get_kanjiskip_low(true, qm, kn, kp, kh)
+ end
+ return g, k
end
-- (anything) .. jachar
local function handle_np_jachar(mode)
local qid = Nq.id
if qid==id_jglyph or ((qid==id_pbox or qid==id_pbox_w) and Nq.met) then
- local g = non_ihb_flag and calc_ja_ja_glue() or get_kanjiskip() -- M->K
- handle_penalty_normal(Nq.post, Np.pre, g); real_insert(g)
+ local g, k
+ if non_ihb_flag then g, k = calc_ja_ja_glue() end -- M->K
+ if not g then g = get_kanjiskip() end
+ handle_penalty_normal(Nq.post, Np.pre, g);
+ real_insert(g); real_insert(k)
elseif Nq.met then -- qid==id_hlist
- local g = non_ihb_flag and get_OA_skip() or get_kanjiskip() -- O_A->K
- handle_penalty_normal(0, Np.pre, g); real_insert(g)
+ local g, k
+ if non_ihb_flag then g, k = get_OA_skip(0) end -- O_A->K
+ if not g then g = get_kanjiskip() end
+ handle_penalty_normal(0, Np.pre, g); real_insert(g); real_insert(k)
elseif Nq.pre then
- local g = non_ihb_flag and get_OA_skip() or get_xkanjiskip(Np) -- O_A->X
- handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g); real_insert(g)
+ local g, k
+ if non_ihb_flag then g, k = get_NA_skip() end -- N_A->X
+ if not g then g = get_xkanjiskip(Np) end
+ handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g);
+ real_insert(g); real_insert(k)
else
- local g = non_ihb_flag and get_OA_skip() -- O_A
+ local g = non_ihb_flag and (get_OA_skip()) -- O_A
if qid==id_glue then handle_penalty_normal(0, Np.pre, g)
elseif qid==id_kern then handle_penalty_suppress(0, Np.pre, g)
else handle_penalty_always(0, Np.pre, g)
-- jachar .. (anything)
local function handle_nq_jachar()
if Np.pre then
- local g = non_ihb_flag and get_OB_skip() or get_xkanjiskip(Nq) -- O_B->X
+ local g = non_ihb_flag and get_NB_skip() or get_xkanjiskip(Nq) -- N_B->X
handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g)
else
- local g =non_ihb_flag and get_OB_skip() -- O_B
+ local g =non_ihb_flag and (get_OB_skip()) -- O_B
if Np.id==id_glue then handle_penalty_normal(Nq.post, 0, g)
elseif Np.id==id_kern then handle_penalty_suppress(Nq.post, 0, g)
else handle_penalty_always(Nq.post, 0, g)
-- (anything) .. (和文文字で始まる hlist)
local function handle_np_ja_hlist()
local qid = Nq.id
- if qid==id_jglyph or ((qid==id_pbox or Nq.id == id_pbox_w) and Nq.met) then
- local g = non_ihb_flag and get_OB_skip() or get_kanjiskip() -- O_B->K
+ if qid==id_jglyph or ((qid==id_pbox or qid == id_pbox_w) and Nq.met) then
+ local g = non_ihb_flag and get_OB_skip(0) or get_kanjiskip() -- O_B->K
handle_penalty_normal(Nq.post, 0, g); real_insert(g)
elseif Nq.met then -- Nq.id==id_hlist
local g = get_kanjiskip() -- K
-- Nq が前側のクラスタとなることによる修正
+local adjust_nq
do
local adjust_nq_aux = {
[id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq)
end,
}
- function adjust_nq()
+ adjust_nq=function()
local x = adjust_nq_aux[Nq.id]
if x then x() end
end
-------------------- 開始・終了時の処理
do
-
+local node_prev = node.direct.getprev
-- リスト末尾の処理
-local JWP = luatexja.stack_table_index.JWP
-local function handle_list_tail(mode)
- adjust_nq(); Np = Nq
+local function handle_list_tail(mode, last)
+ adjust_nq()
if mode then
-- the current list is to be line-breaked.
-- Insert \jcharwidowpenalty
- Bp = widow_Bp; Np = widow_Np
- if Np.first then
- handle_penalty_normal(0, table_current_stack[JWP] or 0)
- end
+ if widow_Np.first then handle_penalty_jwp() end
else
+ Np=Nq
-- the current list is the contents of a hbox
local npi, pm = Np.id, Np.met
if npi == id_jglyph or (npi==id_pbox and pm) then
- local g = new_jfm_glue(pm, Np.class, fast_find_char_class('boxbdd', pm))
+ local g = new_jfm_glue(pm.char_type, Np.class, fast_find_char_class('boxbdd', pm))
if g then
set_attr(g, attr_icflag, BOXBDD)
head = insert_after(head, Np.last, g)
local npi, pm = Np.id, Np.met
if npi == id_jglyph or (npi==id_pbox and pm) then
if non_ihb_flag then
- local g = new_jfm_glue(pm, fast_find_char_class(par_indented, pm), Np.class)
+ local g = new_jfm_glue(pm.char_type, fast_find_char_class(par_indented, pm), Np.class)
if g then
set_attr(g, attr_icflag, BOXBDD)
if getid(g)==id_glue and #Bp==0 then
-- return value: (the initial cursor lp), (last node)
local init_var
do
+ local id_local = node.id('local_par')
local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP
local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
local KSK = luatexja.stack_table_index.KSK
-- ithout this node, set_attr(kanji_skip, ...) somehow creates an "orphaned" attribute list.
do
- kanji_skip = node_new(id_glue); set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
- local s = skip_table_to_spec(KSK)
- setfield(kanji_skip, 'spec', s)
- get_kanjiskip = (getfield(s, 'width') == 1073741823)
- and get_kanjiskip_jfm or get_kanjiskip_normal
+ kanji_skip, kanjiskip_jfm_flag = skip_table_to_glue(KSK)
+ set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
end
do
- xkanji_skip = node_new(id_glue); set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
- local s = skip_table_to_spec(XSK)
- setfield(xkanji_skip, 'spec', s)
- get_xkanjiskip = (getfield(s, 'width') == 1073741823)
- and get_xkanjiskip_jfm or get_xkanjiskip_normal
+ xkanji_skip, xkanjiskip_jfm_flag = skip_table_to_glue(XSK)
+ set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
end
if mode then
-- the current list is to be line-breaked:
-- hbox from \parindent is skipped.
local lp, par_indented, lpi, lps = head, 'boxbdd', getid(head), getsubtype(head)
- while lp and ((lpi==id_whatsit and lps~=sid_user)
- or ((lpi==id_hlist) and (lps==3))) do
+ while lp and
+ ((lpi==id_whatsit and lps~=sid_user)
+ or ((lpi==id_hlist) and (lps==3))
+ or (lpi==id_local)) do
if (lpi==id_hlist) and (lps==3) then
Np.char, par_indented = 'parbdd', 'parbdd'
Np.width = getfield(lp, 'width')
local ensure_tex_attr = ltjb.ensure_tex_attr
local function cleanup(mode, TEMP)
+ -- luatexja.ext_show_node_list(to_node(head), '> ', print)
-- adjust attr_icflag for avoiding error
if tex.getattribute(attr_icflag)~=0 then ensure_tex_attr(attr_icflag, 0) end
- node_free(kanji_skip); node_free(xkanji_skip); node_free(TEMP)
+ node_free(kanji_skip);
+ node_free(xkanji_skip); node_free(TEMP)
if mode then
local h = node_next(head)
-------------------- 外部から呼ばれる関数
-- main interface
-function main(ahead, mode, dir)
+function luatexja.jfmglue.main(ahead, mode, dir)
if not ahead then return ahead end
+ --luatexja.ext_show_node_list(to_node(ahead ), '>B ', print)
+ --print()
head = ahead;
local lp, last, par_indented, TEMP = init_var(mode,dir)
lp = calc_np(last, lp)
if Np then
handle_list_head(par_indented)
- lp = calc_np(last,lp); while Np do
+ lp = calc_np(last,lp);
+ while Np do
adjust_nq();
local pid, pm = Np.id, Np.met
-- 挿入部
end
lp = calc_np(last,lp)
end
- handle_list_tail(mode)
+ handle_list_tail(mode, last)
end
+ --luatexja.ext_show_node_list(to_node(ahead ), '>A ', print)
+ --print()
return cleanup(mode, TEMP)
end
end
do
- local IHB = luatexja.userid_table.IHB
+ local IHB = luatexja.userid_table.IHB
local BPAR = luatexja.userid_table.BPAR
- local node_prev = (Dnode ~= node) and Dnode.getprev or node.prev
- local node_write = Dnode.write
+ local BOXB = luatexja.userid_table.BOXB
+ local node_prev = node.direct.getprev
+ local node_write = node.direct.write
-- \inhibitglue
- function create_inhibitglue_node()
+ function luatexja.jfmglue.create_inhibitglue_node()
local tn = node_new(id_whatsit, sid_user)
setfield(tn, 'user_id', IHB)
setfield(tn, 'type', 100)
-- Node for indicating beginning of a paragraph
-- (for ltjsclasses)
- function create_beginpar_node()
+ function luatexja.jfmglue.create_beginpar_node()
local tn = node_new(id_whatsit, sid_user)
setfield(tn, 'user_id', BPAR)
setfield(tn, 'type', 100)
node_write(tn)
end
+ -- Node for indicating a head/end of a box
+ function luatexja.jfmglue.create_boxbdd_node()
+ local tn = node_new(id_whatsit, sid_user)
+ setfield(tn, 'user_id', BOXB)
+ setfield(tn, 'type', 100)
+ setfield(tn, 'value', 1)
+ node_write(tn)
+ end
+
local function whatsit_callback(Np, lp, Nq)
if Np and Np.nuc then return Np
elseif Np and getfield(lp, 'user_id') == BPAR then
Np.first = lp; Np.nuc = lp; Np.last = lp
return Np
+ elseif Np and getfield(lp, 'user_id') == BOXB then
+ Np.first = lp; Np.nuc = lp; Np.last = lp
+ if Nq then
+ if Nq.met then
+ Np.class = fast_find_char_class('boxbdd', Nq.met)
+ end
+ Np.met = Nq.met; Np.pre = 0; Np.post = 0; Np.xspc = 0
+ Np.auto_xspc, Np.auto_kspc = 0, 0
+ end
+ return Np
+ else
+ return Np
end
end
Nq.class = fast_find_char_class('parbdd', Np.met)
end
Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
- Nq.auto_xspc = false
+ Nq.auto_xspc, Nq.auto_kspc = 0, 0
+ end
+ head = node_remove(head, y)
+ node_free(y)
+ elseif not s and getfield(Nq.nuc, 'user_id') == BOXB then
+ local x, y = node_prev(Nq.nuc), Nq.nuc
+ Nq.first, Nq.nuc, Nq.last = x, x, x
+ if Np then
+ if Np.met then
+ Nq.class = fast_find_char_class('boxbdd', Np.met)
+ end
+ Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
+ Nq.auto_xspc, Nq.auto_kspc = 0, 0
end
head = node_remove(head, y)
node_free(y)
"luatexja.beginpar.np_info_after", 1)
end
+
+luatexja.jfmglue.after_hlist = after_hlist
+luatexja.jfmglue.check_box_high = check_box_high
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