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)
+ 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 ( getsubtype(lp)==3 or ITALIC == get_attr_icflag(lp)) then
set_attr(lp, attr_icflag, IC_PROCESSED);
-- bc, ac: char classes
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
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
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
-- 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
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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