local STCK = luatexja.userid_table.STCK
local IHB = luatexja.userid_table.IHB
local id_local = node.id('local_par')
+ local id_dir = node.id('dir')
local function test_list(h, lv)
if not h then
flag = 0; break -- error
end
end
- elseif p.id~=id_local then
+ elseif p.id~=id_local and p.id~=id_dir then
flag = 0; break
end
end
local lv = tex_nest.ptr -- must be >= 1
if not v then
v = get_dir_count()
- if abs(tex_nest[lv].mode) == ltjs.mmode and v == dir_tate then
+ if abs(tex_nest[lv-1].mode) == ltjs.mmode and v == dir_tate then
v = dir_utod
end
elseif v=='adj' then
local lv = tex_nest.ptr
if not v then
v,name = get_dir_count(), nil
- if abs(tex_nest[lv].mode) == ltjs.mmode and v == dir_tate then
+ if lv>=1 and abs(tex_nest[lv-1].mode) == ltjs.mmode and v == dir_tate then
v = dir_utod
end
elseif v=='adj' then
v,name = get_adjust_dir_count(), nil
end
+ local current_nest = tex_nest[lv]
if tex.currentgrouptype==6 then
ltjb.package_error(
'luatexja',
"You can't use `\\" .. name .. "' in an align",
- "To change direction in an align, \n"
- .. "you shold use \\hbox or \\vbox.")
+ "To change the direction in an align, \n"
+ .. "you shold use \\hbox or \\vbox.")
+ elseif current_nest.mode == ltjs.hmode or abs(current_nest.mode) == ltjs.mmode then
+ ltjb.package_error(
+ 'luatexja',
+ "Improper `\\" .. name .. "'",
+ 'You cannot change the direction in unrestricted horizontal mode \n'
+ .. 'nor math modes.')
else
- local h = (lv==0) and tex.lists.page_head or tex_nest[lv].head.next
+ local h = (lv==0) and tex.lists.page_head or current_nest.head.next
local flag,w = test_list(h,lv)
if flag==0 then
if lv==0 and not page_direction then
page_direction = v -- for first call of \yoko (in luatexja-core.sty)
else
+ if luatexja.debug then
+ luatexja.ext_show_node_list(node.direct.tonode(h),'>> ', texio.write_nl)
+ end
ltjb.package_error(
'luatexja',
"Use `\\" .. tostring(name) .. "' at top of list",
elseif lv==0 then
page_direction = v
else -- flag == 2: need to create dir whatsit.
- local h = tex_nest[lv].head
+ local h = current_nest.head
local hn = node.next(h)
hn = (hn and hn.id==id_local) and hn or h
local w = to_node(dir_pool[v]())
insert_after_node(h,hn,w)
- tex_nest[lv].tail = node_tail_node(w)
+ current_nest.tail = node_tail_node(w)
end
ensure_tex_attr(attr_icflag, 0)
end
local bh = getlist(b)
local box_dir, dn = get_box_dir(b, ltjs.list_dir)
-- 既に b の中身にあるwhatsit
-
+ if (box_dir<dir_node_auto) and (not dn) then
+ bh = create_dir_whatsit(bh, 'make_dir_whatsit', dir_yoko)
+ dn = bh; setfield(b, 'head', bh)
+ end
if box_dir%dir_math_mod==new_dir then
if box_dir>=dir_node_auto then
-- dir_node としてカプセル化されている
split_dir_whatsit = hd
elseif gc=='split_off' then
if split_dir_head then
- list_dir = has_attr(split_dir_head, attr_dir)
+ ltjs.list_dir = has_attr(split_dir_head, attr_dir)
hd = insert_before(hd, hd, split_dir_head)
split_dir_head=nil
end
end
end
--- append_to_vlist filter
-do
- local id_glue = node.id('glue')
- local getglue = node.direct.getglue or
- function(g)
- return getfield(g,'width'), getfield(g,'stretch'), getfield(g,'shrink'),
- getfield(g,'stretch_order'), getfield(g,'shrink_order')
- end
-local setglue = luatexja.setglue
- local function copy_glue (new_glue, old_glue, subtype, new_w)
- setfield(new_glue, 'subtype', subtype)
- local w,st,sp,sto,spo = getglue(to_direct(old_glue))
- setglue(new_glue, new_w or w, st, sp, sto, spo)
- end
- local node_write = node.direct.write
- local function dir_adjust_append_vlist(b, loc, prev, mirrored)
- local old_b = to_direct(b)
- local new_b = loc=='box' and
- make_dir_whatsit(old_b, old_b, get_dir_count(), 'append_vlist') or old_b
-
- if prev > -65536000 then
- local d = tex.baselineskip.width - prev
- - getfield(new_b, mirrored and 'depth' or 'height')
- local g = node_new(id_glue)
- if d < tex.lineskiplimit then
- copy_glue(g, tex.lineskip, 1)
- else
- copy_glue(g, tex.baselineskip, 2, d);
- end
- node_write(g)
- end
- node_write(new_b)
- tex.prevdepth = getfield(new_b, mirrored and 'height' or 'depth')
- return nil -- do nothing on tex side
- end
- ltjb.add_to_callback('append_to_vlist_filter',
- dir_adjust_append_vlist,
- 'ltj.direction', 10000)
-end
+-- append_to_vlist filter: done in ltj-lineskip.lua
-- finalize (executed just before \shipout)
-- we supply correct pdfsavematrix nodes etc. inside dir_node
local finalize_inner
local function finalize_dir_node(db,new_dir)
local b = getlist(db)
+ if getid(b)==id_whatsit and getsubtype(b)==sid_user
+ and getfield(b, 'user_id')==DIR then
+ local ob = b; b = node_remove(b,b); setfield(db, 'head', b);
+ node_free(ob)
+ end
finalize_inner(b)
local w = getfield(b, 'width')
local h = getfield(b, 'height')
local dn_h = getfield(db, 'height')
local dn_d = getfield(db, 'depth')
local db_head, db_tail
- for _,v in ipairs(dir_node_aux
- [get_box_dir(b, dir_yoko)%dir_math_mod][new_dir][getid(b)]) do
+ local t = dir_node_aux[get_box_dir(b, dir_yoko)%dir_math_mod][new_dir]
+ t = t and t[getid(b)]; if not t then return end
+ for _,v in ipairs(t) do
local cmd, arg, nn = v[1], v[2]
if cmd=='kern' then
nn = node_new(id_kern, 1)
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