--
luatexbase.provides_module({
name = 'luatexja.jfmglue',
- date = '2015/05/03',
+ date = '2016/04/03',
description = 'Insertion process of JFM glues and kanjiskip',
})
module('luatexja.jfmglue', package.seeall)
luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
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 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 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 round = tex.round
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_remove = node.direct.remove
+local node_tail = node.direct.tail
+local node_free = node.direct.free
+local node_end_of_math = node.direct.end_of_math
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)
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)
+ -- luatexja.ext_show_node(to_node(g), 'sg ',print)
+ return g, (st.width==1073741823)
end
local calc_np
do
-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)
+ if lp and getid(lp) == id_kern and ( getsubtype(lp)==3 or 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
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 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
+ elseif (lpi==id_rule) and (lpa==PACKED) then
+ lp = node_next(lp)
+ nc, lp = lp, node_next(lp)
else
nc, lp = lp, node_next(lp)
end
Np.first= (Np.first or lp)
if getfield(lp, 'lang') == lang_ja then
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)
+ 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);
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)
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);
end,
}
calc_np_auxtable[id_rule] = calc_np_auxtable.box_like
-calc_np_auxtable[13] = calc_np_auxtable.box_like
+calc_np_auxtable[15] = 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[node.id('local_par')] = calc_np_auxtable.skip
function calc_np(last, lp)
local k
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)
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.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
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.priority)
- setfield(f, 'spec', node_copy(g[2]))
+ setglue(f, g.width, g.stretch, g.shrink)
return f, g.ratio, g.kanjiskip_natural, g.kanjiskip_stretch, g.kanjiskip_shrink
- else
- return node_copy(g[2]), g.ratio, false, false, false
end
end
return false, 0
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．
- setfield(bs, 'width', blend_diffmet(
- getfield(bs, 'width'), getfield(as, 'width'), db, da))
- setfield(bs, 'stretch', blend_diffmet(
- getfield(bs, 'stretch'), getfield(as, 'stretch'), db, da))
- setfield(bs, 'shrink', -blend_diffmet(
- -getfield(bs, 'shrink'), -getfield(as, 'shrink'), db, da))
+ setglue(gb, blend_diffmet(
+ getfield(gb, 'width'), getfield(ga, 'width'), db, da),
+ blend_diffmet(
+ getfield(gb, 'stretch'), getfield(ga, 'stretch'), db, da),
+ -blend_diffmet(
+ -getfield(gb, 'shrink'), -getfield(ga, 'shrink'), db, da))
node_free(ga)
return gb
elseif k == bk_ak then
node_free(ga)
return gb
elseif k == bk_ag then
- local as = getfield(ga, 'spec')
-- gb: kern, ga: glue
- setfield(as, 'width', blend_diffmet(
- getfield(gb, 'kern'), getfield(as, 'width'), db, da))
- setfield(as, 'stretch', blend_diffmet(
- 0, getfield(as, 'stretch'), db, da))
- setfield(as, 'shrink', -blend_diffmet(
- 0, -getfield(as, 'shrink'), db, da))
+ setglue(ga, blend_diffmet(
+ getfield(gb, 'kern'), getfield(ga, 'width'), db, da),
+ blend_diffmet(
+ 0, getfield(ga, 'stretch'), db, da),
+ -blend_diffmet(
+ 0, -getfield(ga, 'shrink'), db, da))
node_free(gb)
return ga, 0, 0, 0
else
- local bs = getfield(gb, 'spec')
-- gb: glue, ga: kern
- setfield(bs, 'width', blend_diffmet(
- getfield(bs, 'width'), getfield(ga, 'kern'), db, da))
- setfield(bs, 'stretch', blend_diffmet(
- getfield(bs, 'stretch'), 0, db, da))
- setfield(bs, 'shrink', -blend_diffmet(
- -getfield(bs, 'shrink'), 0, db, da))
+ setglue(gb, blend_diffmet(
+ getfield(gb, 'width'), getfield(ga, 'kern'), db, da),
+ blend_diffmet(
+ getfield(gb, 'stretch'), 0, db, da),
+ -blend_diffmet(
+ -getfield(gb, 'shrink'), 0, db, da))
node_free(ga)
return gb
end
if flag or (qm.with_kanjiskip and (bn or bp or bh)) then
if kanjiskip_jfm_flag then
local g = node_new(id_glue);
- local gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
local bk = qm.kanjiskip or null_skip_table
- setfield(gx, 'width', bn and (bn*bk[1]) or 0)
- setfield(gx, 'stretch', bp and (bp*bk[2]) or 0)
- setfield(gx, 'shrink', bh and (bh*bk[3]) or 0)
- setfield(g, 'spec', gx)
+ 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
return node_copy(kanji_skip)
else
local g = node_new(id_glue);
- local gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
- local ks = getfield(kanji_skip, 'spec')
- setfield(gx, 'width', bn and (bn*getfield(ks, 'width')) or 0)
- setfield(gx, 'stretch', bp and (bp*getfield(ks, 'stretch')) or 0)
- setfield(gx, 'shrink', bh and (bh*getfield(ks, 'shrink')) or 0)
- setfield(g, 'spec', gx)
+ setglue(g,
+ bn and (bn*getfield(kanji_skip, 'width')) or 0,
+ bp and (bp*getfield(kanji_skip, 'stretch')) or 0,
+ bh and (bh*getfield(kanji_skip, 'shrink')) or 0,
+ 0, 0)
set_attr(g, attr_icflag, KANJI_SKIP_JFM)
return g
end
if 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(true, qm, 1, 1, 1)
+ return get_kanjiskip_low(true, qm, 1, 1, 1)
else
local gb = get_kanjiskip_low(true, qm, 1, 1, 1)
local ga = get_kanjiskip_low(true, pm, 1, 1, 1)
return calc_ja_ja_aux(gb, ga, 0, 1)
end
else
- local g = node_copy(zero_glue)
+ local g = node_new(id_glue)
set_attr(g, attr_icflag, kanjiskip_jfm_flag and KANJI_SKIP_JFM or KANJI_SKIP)
return g
end
calc_ja_ja_glue = function ()
local qm, pm = Nq.met, Np.met
- if (qm.char_type==pm.char_type) and (qm.var==pm.var) then
- local g, _, kn, kp, kh = new_jfm_glue(qm, Nq.class, Np.class)
+ 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(false, qm, kn, kp, kh)
else
local npn, nqn = Np.nuc, Nq.nuc
local gb, db, bn, bp, bh
- = new_jfm_glue(qm, Nq.class,
+ = new_jfm_glue(qmc, Nq.class,
slow_find_char_class(Np.char,
qm, getchar(npn)))
local ga, da, an, ap, ah
- = new_jfm_glue(pm,
+ = 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 (pm.char_type==qm.char_type) and (qm.var==pm.var) then
+ if (pmc==qmc) and (qm.var==pm.var) then
gb = get_kanjiskip_low(false, qm, bn, bp, bh)
ga = get_kanjiskip_low(false, pm, an, ap, ah)
k = calc_ja_ja_aux(gb, ga, db, da)
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 gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
local bk = qm.xkanjiskip or null_skip_table
- setfield(gx, 'width', bn and bk[1] or 0)
- setfield(gx, 'stretch', bp and bk[2] or 0)
- setfield(gx, 'shrink', bh and bk[3] or 0)
- setfield(g, 'spec', gx)
+ 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);
- local gx = node_new(id_glue_spec);
- setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0)
- local ks = getfield(xkanji_skip, 'spec')
- setfield(gx, 'width', bn and getfield(ks, 'width') or 0)
- setfield(gx, 'stretch', bp and getfield(ks, 'stretch') or 0)
- setfield(gx, 'shrink', bh and getfield(ks, 'shrink') or 0)
- setfield(g, 'spec', gx)
+ 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,
+ 0, 0)
set_attr(g, attr_icflag, XKANJI_SKIP_JFM)
return g
end
if (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
- local 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
local function get_OA_skip(is_kanji)
local pm = Np.met
local g, _, kn, kp, kh = new_jfm_glue(
- pm,
+ pm.char_type,
fast_find_char_class((Nq.id == id_math and -1 or 'jcharbdd'), pm),
Np.class)
local k
local function get_OB_skip(is_kanji)
local qm = Nq.met
local g, _, kn, kp, kh = new_jfm_glue(
- qm, Nq.class,
+ qm.char_type, Nq.class,
fast_find_char_class((Np.id == id_math and -1 or'jcharbdd'), qm))
local k
if is_kanji==0 then
-- 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)
- kanjiskip_jfm_flag = (getfield(s, 'width') == 1073741823)
+ 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)
- xkanjiskip_jfm_flag = (getfield(s, 'width') == 1073741823)
+ 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')
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
do
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 node_prev = node.direct.getprev
+ local node_write = node.direct.write
-- \inhibitglue
function create_inhibitglue_node()
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