--
luatexbase.provides_module({
name = 'luatexja.jfmglue',
- date = '2014/02/02',
+ date = '2015/05/03',
description = 'Insertion process of JFM glues and kanjiskip',
})
module('luatexja.jfmglue', package.seeall)
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
local pairs = pairs
local Dnode = node.direct or node
local insert_after = Dnode.insert_after
local node_next = (Dnode ~= node) and Dnode.getnext or node.next
local round = tex.round
-local ltjd_make_dir_node = ltjd.make_dir_node
+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 = luatexja.Dnode_remove -- Dnode.remove
+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 dir_tate = 3
-local dir_yoko = 4
-
local id_glyph = node.id('glyph')
local id_hlist = node.id('hlist')
local id_vlist = node.id('vlist')
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 IC_PROCESSED = luatexja.icflag_table.IC_PROCESSED
local BOXBDD = luatexja.icflag_table.BOXBDD
local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
+
+local attr_icflag = luatexbase.attributes['ltj@icflag']
local kanji_skip
local xkanji_skip
local table_current_stack
local list_dir
+local capsule_glyph
+local tex_dir
+local attr_ablshift
+local set_np_xspc_jachar
+local set_np_xspc_jachar_hbox
-local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
-local attr_dir = luatexbase.attributes['ltj@dir']
-local attr_icflag = luatexbase.attributes['ltj@icflag']
+local ltjs_orig_char_table = ltjs.orig_char_table
local function get_attr_icflag(p)
return (has_attr(p, attr_icflag) or 0)%PROCESSED_BEGIN_FLAG
-------------------- Helper functions
-local function copy_attr(new, old)
- -- 仕様が決まるまで off にしておく
-end
-
-- This function is called only for acquiring `special' characters.
local function fast_find_char_class(c,m)
return m.chars[c] or 0
local start_time_measure = ltjb.start_time_measure
local stop_time_measure = ltjb.stop_time_measure
slow_find_char_class = function (c, m, oc)
- start_time_measure('slow_find_chr')
local cls = ltjf_find_char_class(oc, m)
- if not c and cls==0 then
- stop_time_measure('slow_find_chr')
- return ltjf_find_char_class(-c, m), oc
+ if oc~=c and c and cls==0 then
+ return ltjf_find_char_class(c, m)
else
- stop_time_measure('slow_find_chr')
- return cls, oc
+ return cls
end
end
end
local function add_penalty(p,e)
local pp = getfield(p, 'penalty')
if pp>=10000 then
- if e<=-10000 then pp = 0 end
+ if e<=-10000 then setfield(p, 'penalty', 0) end
elseif pp<=-10000 then
- if e>=10000 then pp = 0 end
+ 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
end
- return
end
-- 「異なる JFM」の間の調整方法
local Np, Nq, Bp
local widow_Bp, widow_Np -- \jcharwidowpenalty 挿入位置管理用
-local ihb_flag -- JFM グルー挿入抑止用 flag
- -- on: \inhibitglue 指定時，hlist の周囲
+local non_ihb_flag -- JFM グルー挿入抑止用 flag
+-- false: \inhibitglue 指定時 true: それ以外
-------------------- hlist 内の文字の検索
end
if pid==id_kern then
local pa = get_attr_icflag(p)
- --if pa==IC_PROCESSED or pa == PACKED then
if pa==IC_PROCESSED then
-- do nothing
elseif getsubtype(p)==2 then
last_char = s; found_visible_node = true
else
if getfield(p, 'shift')==0 then
+ last_char = nil
if check_box(getlist(p), nil) then found_visible_node = true end
else
find_first_char = false; last_char = nil
first_char = p; find_first_char = false
end
last_char = p; found_visible_node = true
- --elseif pid==id_rule and get_attr_icflag(p)==PACKED then -- do nothing
+ elseif pid==id_rule and get_attr_icflag(p)==PACKED then
+ -- do nothing
elseif not (pid==id_ins or pid==id_mark
or pid==id_adjust or pid==id_whatsit
or pid==id_penalty) then
local first_char = first_char
if first_char then
if getid(first_char)==id_glyph then
- if getfont(first_char) == (has_attr(first_char, attr_curjfnt) or -1) then
- set_np_xspc_jachar(Nx, first_char)
+ if getfield(first_char, 'lang') == lang_ja then
+ set_np_xspc_jachar_hbox(Nx, first_char)
else
set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1)
end
function (stat, Nq, Np) return false end)
-- calc next Np
+local calc_np
do
-local function set_attr_icflag_processed(p)
- if get_attr_icflag(p)<= ITALIC then
- set_attr(p, attr_icflag, PROCESSED)
- end
-end
-
+local traverse = Dnode.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)
end
local function calc_np_pbox(lp, last)
+ local first, lpa, nc = (not Np.first), KINSOKU, nil
Np.first = Np.first or lp; Np.id = id_pbox
- local lpa, nc = KINSOKU, nil
set_attr(lp, attr_icflag, get_attr_icflag(lp));
while lp ~=last and (lpa>=PACKED) and (lpa<BOXBDD) do
- nc, lp = lp, node_next(lp); lpa = lp and has_attr(lp, attr_icflag) or 0
+ if getid(lp)==id_hlist or getid(lp)==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
+ nc, lp = lp, node_next(lp)
+ end
+ first, lpa = false, (lp and has_attr(lp, attr_icflag) or 0)
-- get_attr_icflag() ではいけない！
end
Np.nuc = nc
- return check_next_ickern(lp)
+ lp = check_next_ickern(lp)
+ Np.last_char = check_box_high(Np, Np.first, lp)
+ 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
+ Np.id = id_jglyph
+ local m, cls = set_np_xspc_jachar(Np, lp)
+ local npi, npf
+ lp, head, npi, npf = capsule_glyph(lp, m, cls, head, tex_dir, lp)
+ Np.first = (Np.first~=Np.nuc) and Np.first or npf or npi
+ Np.nuc = npi
+ return true, check_next_ickern(lp);
+ else
+ Np.id = id_glyph
+ set_np_xspc_alchar(Np, getchar(lp), lp, 1)
+ -- loop
+ local first_glyph, last_glyph = lp
+ set_attr(lp, attr_icflag, PROCESSED); Np.last = lp
+ local y_adjust = has_attr(lp,attr_ablshift) or 0
+ local node_depth = getfield(lp, 'depth') + min(y_adjust, 0)
+ local adj_depth = (y_adjust>0) and (getfield(lp, 'depth') + y_adjust) or 0
+ setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust)
+ lp = node_next(lp)
+ for lx in traverse(lp) do
+ local lai = get_attr_icflag(lx)
+ if lx==last or lai>=PACKED then
+ lp=lx; break
+ else
+ local lid = getid(lx)
+ if lid==id_glyph and getfield(lx, 'lang') ~= lang_ja 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
+ node_depth = max(getfield(lx, 'depth') + min(y_adjust, 0), node_depth)
+ adj_depth = (y_adjust>0) and max(getfield(lx, 'depth') + y_adjust, adj_depth) or adj_depth
+ setfield(lx, 'yoffset', getfield(lx, 'yoffset') - y_adjust)
+ elseif lid==id_kern then
+ local ls = getsubtype(lx)
+ 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))
+ lx = node_next(node_next(lx))
+ elseif ls==0 then
+ Np.last = lx
+ elseif (ls==1 and lai==ITALIC) then
+ Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED)
+ else
+ lp=lx; break
+ end
+ else
+ lp=lx; break
+ end
+ end
+ end
+ local r
+ if adj_depth>node_depth then
+ r = node_new(id_rule)
+ setfield(r, 'width', 0); setfield(r, 'height', 0)
+ setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir)
+ set_attr(r, attr_icflag, PROCESSED)
+ end
+ if last_glyph then
+ Np.last_char = last_glyph
+ if r then insert_after(head, first_glyph, r) end
+ else
+ local npn = Np.nuc
+ Np.last_char = npn
+ if r then
+ local nf, nc = getfont(npn), getchar(npn)
+ local ct = (font.getfont(nf) or font.fonts[nf] ).characters[nc]
+ if not ct then -- variation selector
+ 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
+ elseif (ct.right_protruding or 0) == 0 then
+ insert_after(head, npn, r); Np.last, lp = r, r
+ else
+ ltjb.package_warning_no_line(
+ 'luatexja',
+ 'Check depth of glyph node ' .. tostring(npn) .. '(font=' .. nf
+ .. ', char=' .. nc .. '), because its \\lpcode is ' .. tostring(ct.left_protruding)
+ .. ' and its \\rpcode is ' .. tostring(ct.right_protruding)
+ ); node_free(r)
+ end
+ end
+ end
+ return true, lp
+ end
+end
local calc_np_auxtable = {
- [id_glyph] = function (lp)
- Np.first, Np.nuc = (Np.first or lp), lp;
- Np.id = (getfont(lp) == (has_attr(lp, attr_curjfnt) or -1))
- and id_jglyph or id_glyph
- return true, check_next_ickern(node_next(lp));
- end,
+ [id_glyph] = calc_np_aux_glyph_common,
[id_hlist] = function(lp)
local op, flag
- head, lp, op, flag = ltjd_make_dir_node(head, lp, list_dir, 'jfm hlist')
+ head, lp, op, flag = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm hlist')
set_attr(op, attr_icflag, PROCESSED)
Np.first = Np.first or op; Np.last = op; Np.nuc = op;
- Np.id = (flag or getfield(op, 'shift')~=0) and id_box_like or id_hlist
+ if (flag or getfield(op, 'shift')~=0) then
+ Np.id = id_box_like
+ else
+ Np.id = id_hlist
+ Np.last_char = check_box_high(Np, getlist(op), nil)
+ end
return true, lp
end,
[id_vlist] = function(lp)
local op
- head, lp, op = ltjd_make_dir_node(head, lp, list_dir, 'jfm:' .. getid(lp))
+ head, lp, op = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm:' .. getid(lp))
Np.first = Np.first or op; Np.last = op; Np.nuc = op;
Np.id = id_box_like;
return true, lp
if lps==sid_user then
if getfield(lp, 'user_id')==luatexja.userid_table.IHB then
local lq = node_next(lp);
- head = node_remove(head, lp); node_free(lp); ihb_flag = true
+ head = node_remove(head, lp); node_free(lp); non_ihb_flag = false
return false, lq;
else
set_attr(lp, attr_icflag, PROCESSED)
[id_math] = function(lp)
Np.first, Np.nuc = (Np.first or lp), lp;
set_attr(lp, attr_icflag, PROCESSED)
- lp = node_end_of_math(lp)
- set_attr(lp, attr_icflag, PROCESSED)
- Np.last, Np.id = lp, id_math;
- return true, node_next(lp);
+ set_np_xspc_alchar(Np, -1, lp)
+ local end_math = node_end_of_math(lp)
+ ltjw_apply_ashift_math(lp, end_math, attr_ablshift)
+ set_attr(end_math, attr_icflag, PROCESSED)
+ Np.last, Np.id = end_math, id_math;
+ return true, node_next(end_math);
end,
- discglue = function(lp)
+ [id_glue] = function(lp)
Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
return true, node_next(lp)
end,
+ [id_disc] = function(lp)
+ Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp;
+ Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED)
+ ltjw_apply_ashift_disc(lp, (list_dir==dir_tate), tex_dir)
+ Np.last_char = check_box_high(Np, getfield(lp, 'replace'), nil)
+ return true, node_next(lp)
+ end,
[id_kern] = function(lp)
- Np.first = Np.first or lp
if getsubtype(lp)==2 then
+ Np.first = Np.first or lp
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); lp = node_next(lp)
- set_attr(lp, attr_icflag, PROCESSED); Np.nuc = lp
- Np.id = (getfont(lp) == (has_attr(lp, attr_curjfnt) or -1)) and id_jglyph or id_glyph
- return true, check_next_ickern(node_next(lp));
+ set_attr(lp, attr_icflag, PROCESSED);
+ return calc_np_aux_glyph_common(lp)
else
+ Np.first = Np.first or lp
Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED)
Np.last = lp; return true, node_next(lp)
end
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[id_disc] = calc_np_auxtable.discglue
-calc_np_auxtable[id_glue] = calc_np_auxtable.discglue
-function calc_np(lp, last)
+function calc_np(last, lp)
local k
-- We assume lp = node_next(Np.last)
- Np, Nq, ihb_flag = Nq, Np, nil
+ Np, Nq, non_ihb_flag = Nq, Np, true
-- We clear `predefined' entries of Np before pairs() loop,
-- because using only pairs() loop is slower.
Np.post, Np.pre, Np.xspc = nil, nil, nil
if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then
local lq = node_next(lp)
head = node_remove(head, lp); node_free(lp); lp = lq
- else return calc_np_pbox(lp, last)
+ else
+ return calc_np_pbox(lp, last)
end -- id_pbox
else
k, lp = calc_np_auxtable[getid(lp)](lp)
if k then return lp end
end
end
- Np = nil; return lp
+ Np=nil
end
-
end
-local calc_np = calc_np
-- extract informations from Np
-- We think that "Np is a Japanese character" if Np.met~=nil,
local POST = luatexja.stack_table_index.POST
local KCAT = luatexja.stack_table_index.KCAT
local XSP = luatexja.stack_table_index.XSP
+ local dir_tate = luatexja.dir_table.dir_tate
-- 和文文字のデータを取得
local attr_jchar_class = luatexbase.attributes['ltj@charclass']
- local attr_orig_char = luatexbase.attributes['ltj@origchar']
+ local attr_jchar_code = luatexbase.attributes['ltj@charcode']
local attr_autospc = luatexbase.attributes['ltj@autospc']
local attr_autoxspc = luatexbase.attributes['ltj@autoxspc']
+ --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 cls, c
- if list_dir == dir_tate then
- local c1, c2 = getchar(x), has_attr(x, attr_orig_char)
- c = has_attr(x, attr_dir) or c1 or c2
- cls = ltjf_find_char_class(c, m)
- if cls==0 then cls = slow_find_char_class(c2, m, c1) end
- else
- cls, c = slow_find_char_class(has_attr(x, attr_orig_char), m, getchar(x))
- end
- Nx.met, Nx.char = m, c; Nx.class = cls;
+ local c, c_glyph = ltjs_orig_char_table[x], getchar(x)
+ c = c or c_glyph
+ local cls = slow_find_char_class(c, m, c_glyph)
+ Nx.met, Nx.class, Nx.char = m, cls, c;
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
+ 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;
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)
end
- local set_np_xspc_jachar = set_np_xspc_jachar
-- 欧文文字のデータを取得
local floor = math.floor
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.char = 'jcharbdd'
else
- Nx.pre, Nx.post, Nx.char = 0, 0, -1
+ Nx.pre, Nx.post = 0, 0
Nx.xspc = table_current_stack[XSP - 1] or 3
end
Nx.met = nil
end
local set_np_xspc_alchar = set_np_xspc_alchar
--- Np の情報取得メインルーチン
- extract_np = function ()
- local x, i = Np.nuc, Np.id;
- if i == id_jglyph then return set_np_xspc_jachar(Np, x)
- elseif i == id_glyph then return set_np_xspc_alchar(Np, getchar(x), x, 1)
- elseif i == id_hlist then Np.last_char = check_box_high(Np, getlist(x), nil)
- elseif i == id_pbox then Np.last_char = check_box_high(Np, Np.first, node_next(Np.last))
- elseif i == id_disc then Np.last_char = check_box_high(Np, getfield(x, 'replace'), nil)
- elseif i == id_math then return set_np_xspc_alchar(Np, -1, x)
- end
- end
-
-- change the information for the next loop
-- (will be done if Nx is an alphabetic character or a hlist)
after_hlist = function (Nx)
local s = Nx.last_char
if s then
if getid(s)==id_glyph then
- if getfont(s) == (has_attr(s, attr_curjfnt) or -1) then
- set_np_xspc_jachar(Nx, s)
+ if getfield(s, 'lang') == lang_ja then
+ set_np_xspc_jachar_hbox(Nx, s)
else
set_np_xspc_alchar(Nx, getchar(s), s, 2)
end
end
after_alchar = function (Nx)
- local x = Nx.nuc
+ local x = Nx.last_char
return set_np_xspc_alchar(Nx, getchar(x), x, 2)
end
local function handle_penalty_always(post, pre, g)
local a = (pre or 0) + (post or 0)
if #Bp == 0 then
- if not (g and getid(g)==id_glue) then
+ if not (g and getid(g)==id_glue) or 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)
-- 和文文字間の JFM glue を node 化
local function new_jfm_glue(m, bc, ac)
-- bc, ac: char classes
- local g, d = m.char_type[bc][ac], 0
- local n
+ local g = m.char_type[bc][ac]
if g then
- n,d = node_copy(g[2]), g[3]
if g[1] then
local f = node_new(id_glue)
set_attr(f, attr_icflag, g[4])
- setfield(f, 'spec', n)
- return f, d
+ setfield(f, 'spec', node_copy(g[2]))
+ return f, g[3]
+ else
+ return node_copy(g[2]), g[3]
end
end
- return n, d
+ return nil, 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
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 {0, 0, 0}
+ 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 {0, 0, 0}
+ 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])))
local bk_ak = 2*id_kern - id_kern
calc_ja_ja_aux = function (gb,ga, db, da)
- local rbb, rab = (1-db)/2, (1-da)/2 -- 「前の文字」由来のグルーの割合
- local rba, raa = (1+db)/2, (1+da)/2 -- 「前の文字」由来のグルーの割合
+ 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
end
local function calc_ja_ja_glue()
- if ihb_flag then return nil
+ 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 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(has_attr(npn, attr_orig_char),
- qm, getchar(npn)))
- local ga, da = new_jfm_glue(pm,
- slow_find_char_class(has_attr(nqn, attr_orig_char),
- pm, getchar(nqn)),
- Np.class)
- return calc_ja_ja_aux(gb, ga, db, da);
- end
+ 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);
end
end
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
- local f = node_copy(xkanji_skip)
- return f
+ return node_copy(xkanji_skip)
else
local g = node_copy(zero_glue)
set_attr(g, attr_icflag, XKANJI_SKIP)
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 {0, 0, 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])
-------------------- 隣接した「塊」間の処理
local function get_OA_skip()
- if not ihb_flag then
- local pm = Np.met
- return new_jfm_glue(pm,
- fast_find_char_class(((Nq.id == id_math and -1) or (type(Nq.char)=='string' and Nq.char or 'jcharbdd')), pm), Np.class)
- else return nil
- end
+ local pm = Np.met
+ return new_jfm_glue(pm,
+ fast_find_char_class((Nq.id == id_math and -1 or 'jcharbdd'), pm), Np.class)
end
local function get_OB_skip()
- if not ihb_flag then
- local qm = Nq.met
- return new_jfm_glue(qm, Nq.class,
- fast_find_char_class(((Np.id == id_math and -1) or'jcharbdd'), qm))
- else return nil
- end
+ local qm = Nq.met
+ return new_jfm_glue(qm, Nq.class,
+ fast_find_char_class((Np.id == id_math and -1 or'jcharbdd'), qm))
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 = calc_ja_ja_glue() or get_kanjiskip() -- M->K
+ 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)
elseif Nq.met then -- qid==id_hlist
- local g = get_OA_skip() or get_kanjiskip() -- O_A->K
+ 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)
elseif Nq.pre then
- local g = get_OA_skip() or get_xkanjiskip(Np) -- O_A->X
+ 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)
else
- local g = 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 = get_OB_skip() or get_xkanjiskip(Nq) -- O_B->X
+ local g = non_ihb_flag and get_OB_skip() or get_xkanjiskip(Nq) -- O_B->X
handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g)
else
- local g = 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)
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 = get_OB_skip() or get_kanjiskip() -- O_B->K
+ local g = non_ihb_flag and get_OB_skip() 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
do
local adjust_nq_aux = {
- [id_glyph] = function()
- local x = Nq.nuc
- return set_np_xspc_alchar(Nq, getchar(x),x, 2)
- end, -- after_alchar(Nq)
+ [id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq)
[id_hlist] = function() after_hlist(Nq) end,
[id_pbox] = function() after_hlist(Nq) end,
[id_disc] = function() after_hlist(Nq) end,
-- Insert \jcharwidowpenalty
Bp = widow_Bp; Np = widow_Np
if Np.first then
- handle_penalty_normal(0,
- table_current_stack[JWP] or 0)
+ handle_penalty_normal(0, table_current_stack[JWP] or 0)
end
else
-- the current list is the contents of a hbox
local function handle_list_head(par_indented)
local npi, pm = Np.id, Np.met
if npi == id_jglyph or (npi==id_pbox and pm) then
- if not ihb_flag then
+ if non_ihb_flag then
local g = new_jfm_glue(pm, fast_find_char_class(par_indented, pm), Np.class)
if g then
set_attr(g, attr_icflag, BOXBDD)
local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
local KSK = luatexja.stack_table_index.KSK
local XSK = luatexja.stack_table_index.XSK
- local DIR = luatexja.stack_table_index.DIR
- init_var = function (mode)
+ local dir_yoko = luatexja.dir_table.dir_yoko
+ local dir_tate = luatexja.dir_table.dir_tate
+ local attr_yablshift = luatexbase.attributes['ltj@yablshift']
+ local attr_tablshift = luatexbase.attributes['ltj@tablshift']
+ local table_pool = {
+ {}, {}, {first=nil},
+ { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
+ first=nil, id=nil, last=nil, met=nil, nuc=nil,
+ post=nil, pre=nil, xspc=nil, },
+ { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
+ first=nil, id=nil, last=nil, met=nil, nuc=nil,
+ post=nil, pre=nil, xspc=nil, },
+ }
+ init_var = function (mode,dir)
-- 1073741823: max_dimen
- Bp, widow_Bp, widow_Np = {}, {}, {first = nil}
+ Bp, widow_Bp, widow_Np, Np, Nq
+ = table_pool[1], table_pool[2], table_pool[3], table_pool[4], table_pool[5]
+ for i=1,5 do for j,_ in pairs(table_pool[i]) do table_pool[i][j]=nil end end
table_current_stack = ltjs.table_current_stack
- list_dir = ltjs.list_dir or dir_yoko
- kanji_skip = node_new(id_glue)
- setfield(kanji_skip, 'spec', skip_table_to_spec(KSK))
- set_attr(kanji_skip, attr_icflag, KANJI_SKIP)
- get_kanjiskip = (getfield(getfield(kanji_skip, 'spec'), 'width') == 1073741823)
- and get_kanjiskip_jfm or get_kanjiskip_normal
-
- xkanji_skip = node_new(id_glue)
- setfield(xkanji_skip, 'spec', skip_table_to_spec(XSK))
- set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP)
- get_xkanjiskip = (getfield(getfield(xkanji_skip, 'spec'), 'width') == 1073741823)
- and get_xkanjiskip_jfm or get_xkanjiskip_normal
-
- Np = {
- auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
- first=nil, id=nil, last=nil, met=nil, nuc=nil,
- post=nil, pre=nil, xspc=nil,
- }
- Nq = {
- auto_kspc=nil, auto_xspc=nil, char=nil, class=nil,
- first=nil, id=nil, last=nil, met=nil, nuc=nil,
- post=nil, pre=nil, xspc=nil,
- }
+ list_dir, tex_dir = (ltjs.list_dir or dir_yoko), (dir or 'TLT')
+ local is_dir_tate = list_dir==dir_tate
+ capsule_glyph = is_dir_tate and ltjw.capsule_glyph_tate or ltjw.capsule_glyph_yoko
+ attr_ablshift = is_dir_tate and attr_tablshift or attr_yablshift
+ local TEMP = node_new(id_glue)
+ -- TEMP is a dummy node, which will be freed at the end of the callback.
+ -- 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
+ 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
+ end
+
if mode then
-- the current list is to be line-breaked:
-- hbox from \parindent is skipped.
Np.width = getfield(lp, 'width')
end
lp=node_next(lp); lpi, lps = getid(lp), getsubtype(lp) end
- return lp, node_tail(head), par_indented
+ return lp, node_tail(head), par_indented, TEMP
else
- return head, nil, 'boxbdd'
+ return head, nil, 'boxbdd', TEMP
end
end
end
-local function cleanup(mode)
+local ensure_tex_attr = ltjb.ensure_tex_attr
+local function cleanup(mode, TEMP)
-- adjust attr_icflag for avoiding error
- tex.setattribute('global', attr_icflag, 0)
- node_free(kanji_skip); node_free(xkanji_skip)
+ 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)
+
if mode then
local h = node_next(head)
if getid(h) == id_penalty and getfield(h, 'penalty') == 10000 then
-------------------- 外部から呼ばれる関数
-- main interface
-function main(ahead, mode)
+function main(ahead, mode, dir)
if not ahead then return ahead end
head = ahead;
- local lp, last, par_indented = init_var(mode)
- lp = calc_np(lp, last)
+ local lp, last, par_indented, TEMP = init_var(mode,dir)
+ lp = calc_np(last, lp)
if Np then
- extract_np(); handle_list_head(par_indented)
- else
- return cleanup(mode)
- end
- lp = calc_np(lp, last)
- while Np do
- extract_np();
- adjust_nq();
- local pid, pm = Np.id, Np.met
- -- 挿入部
- if pid == id_jglyph then
- handle_np_jachar(mode)
- elseif pm then
- if pid==id_hlist then handle_np_ja_hlist()
- else handle_np_jachar() end
- elseif Nq.met then
- if Nq.id==id_hlist then handle_nq_ja_hlist()
- else handle_nq_jachar() end
+ handle_list_head(par_indented)
+ lp = calc_np(last,lp); while Np do
+ adjust_nq();
+ local pid, pm = Np.id, Np.met
+ -- 挿入部
+ if pid == id_jglyph then
+ handle_np_jachar(mode)
+ elseif pm then
+ if pid==id_hlist then handle_np_ja_hlist()
+ else handle_np_jachar() end
+ elseif Nq.met then
+ if Nq.id==id_hlist then handle_nq_ja_hlist()
+ else handle_nq_jachar() end
+ end
+ lp = calc_np(last,lp)
end
- lp = calc_np(lp, last)
+ handle_list_tail(mode)
end
- handle_list_tail(mode)
- return cleanup(mode)
+ return cleanup(mode, TEMP)
end
end
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
- Np.char = 'parbdd'
- Np.met = nil
- Np.pre = 0; Np.post = 0
- Np.xspc = 0
- Np.auto_xspc = false
return Np
end
end
if not s and getfield(Nq.nuc, 'user_id') == BPAR 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('parbdd', Np.met)
+ end
+ Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0
+ Nq.auto_xspc = false
+ end
head = node_remove(head, y)
node_free(y)
end
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