-- src/ltj-direction.lua
--
-luatexja.load_module('base'); local ltjb = luatexja.base
-luatexja.load_module('stack'); local ltjs = luatexja.stack
+luatexja.load_module 'base'; local ltjb = luatexja.base
+luatexja.load_module 'stack'; local ltjs = luatexja.stack
luatexja.direction = {}
local attr_dir = luatexbase.attributes['ltj@dir']
local traverse = node.direct.traverse
local traverse_id = node.direct.traverse_id
local start_time_measure, stop_time_measure
- = ltjb.start_time_measure, ltjb.stop_time_measure
+ = ltjb.start_time_measure, ltjb.stop_time_measure
local abs = math.abs
-local id_kern = node.id('kern')
-local id_hlist = node.id('hlist')
-local id_vlist = node.id('vlist')
-local id_whatsit = node.id('whatsit')
-local sid_save = node.subtype('pdf_save')
-local sid_restore = node.subtype('pdf_restore')
-local sid_matrix = node.subtype('pdf_setmatrix')
-local sid_user = node.subtype('user_defined')
+local id_kern = node.id 'kern'
+local id_hlist = node.id 'hlist'
+local id_vlist = node.id 'vlist'
+local id_whatsit = node.id 'whatsit'
+local sid_save = node.subtype 'pdf_save'
+local sid_restore= node.subtype 'pdf_restore'
+local sid_matrix = node.subtype 'pdf_setmatrix'
+local sid_user = node.subtype 'user_defined'
local tex_nest = tex.nest
local tex_getcount = tex.getcount
do
local function get_dir_count_inner(h)
if h then
- if h.id==id_whatsit and h.subtype==sid_user and h.user_id==DIR then
- local ic = node.has_attribute(h, attr_icflag) or 0
- return (ic<PROCESSED_BEGIN_FLAG)
- and (node.has_attribute(h,attr_dir)%dir_node_auto) or 0
- else
- return 0
- end
+ if h.id==id_whatsit and h.subtype==sid_user and h.user_id==DIR then
+ return ((node.has_attribute(h, attr_icflag) or 0)<PROCESSED_BEGIN_FLAG)
+ and (node.has_attribute(h,attr_dir)%dir_node_auto) or 0
+ else
+ return 0
+ end
else
- return 0
+ return 0
end
end
function get_dir_count()
- for i=tex_nest.ptr, 1, -1 do
- local h = tex_nest[i].head.next
- if h then
- local t = get_dir_count_inner(h)
- if t~=0 then return t end
- end
- end
- return page_direction
+ for i=tex_nest.ptr, 1, -1 do
+ local h = tex_nest[i].head.next
+ if h then
+ local t = get_dir_count_inner(h)
+ if t~=0 then return t end
+ end
+ end
+ return page_direction
end
function get_adjust_dir_count()
for i=tex_nest.ptr, 1, -1 do
local v = tex_nest[i]
- local h, m = v.head.next, v.mode
- if abs(m)== ltjs.vmode and h then
- local t = get_dir_count_inner(h)
- if t~=0 then return t end
- end
+ local h, m = v.head.next, v.mode
+ if abs(m)== ltjs.vmode and h then
+ local t = get_dir_count_inner(h)
+ if t~=0 then return t end
+ end
end
return page_direction
end
local node_traverse = node.traverse
local STCK = luatexja.userid_table.STCK
local IHB = luatexja.userid_table.IHB
- local sid_local = node.subtype('local_par')
- local id_local = node.id('local_par')
+ local id_local = node.id 'local_par'
+ local id_dir = node.id 'dir'
local function test_list(h, lv)
if not h then
- return 2 -- need to create dir_whatsit
+ return 2 -- need to create dir_whatsit
else
- local flag = 2 -- need to create dir_whatsit
- local w
- for p in node_traverse(h) do
- if p.id==id_whatsit then
- local ps = p.subtype
- if ps==sid_user then
- local uid= p.user_id
- if uid==DIR then
- flag = 1; w = w or p -- found
- elseif not(uid==IHB or uid==STCK) then
- flag = 0; break -- error
- end
- elseif ps~=sid_local then
- flag = 0; break
- end
- elseif p.id~=id_local then
- flag = 0; break
- end
- end
- if flag==1 then -- dir_whatsit already exists
- return 1,w
- else
- return flag
- end
+ local flag = 2 -- need to create dir_whatsit
+ local w
+ for p in node_traverse(h) do
+ if p.id==id_whatsit then
+ if p.subtype==sid_user then
+ local uid= p.user_id
+ if uid==DIR then
+ flag = 1; w = w or p -- found
+ elseif not(uid==IHB or uid==STCK) then
+ return 0 -- error
+ end
+ end
+ elseif p.id~=id_local and p.id~=id_dir then
+ return 0 -- error
+ end
+ end
+ if flag==1 then -- dir_whatsit already exists
+ return 1, w
+ else
+ return flag
+ end
end
end
+ local node_next_node, node_tail_node = node.next, node.tail
+ local insert_after_node = node.insert_after
function luatexja.direction.set_list_direction_hook(v)
local lv = tex_nest.ptr -- must be >= 1
if not v then
v = get_dir_count()
- if abs(tex_nest[lv-1].mode) == ltjs.mmode and v == dir_tate then
- v = dir_utod
- end
+ if abs(tex_nest[lv-1].mode) == ltjs.mmode and v == dir_tate then
+ v = dir_utod
+ end
elseif v=='adj' then
v = get_adjust_dir_count()
end
- local h = to_direct(tex_nest[lv].head)
- local w = dir_pool[v]()
- insert_after(h, h, w)
- tex_nest[lv].tail = to_node(node_tail(w))
+ local h = tex_nest[lv].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)
ensure_tex_attr(attr_icflag, 0)
ensure_tex_attr(attr_dir, 0)
end
local lv = tex_nest.ptr
if not v then
v,name = get_dir_count(), nil
- if lv>=1 and abs(tex_nest[lv-1].mode) == ltjs.mmode and v == dir_tate then
- v = dir_utod
- end
+ 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(
+ 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 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
+ 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",
'Direction change command by LuaTeX-ja is available\n'
- .. 'only when the current list is null.')
- end
- elseif flag==1 then
- node_set_attr(w, attr_dir, v)
- if lv==0 then page_direction = v end
- else
- if lv==0 then page_direction = v end
- end
+ .. 'only when the current list is null.')
+ end
+ elseif flag==1 then
+ node_set_attr(w, attr_dir, v)
+ if lv==0 then page_direction = v end
+ elseif lv==0 then
+ page_direction = v
+ else -- flag == 2: need to create dir whatsit.
+ 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)
+ current_nest.tail = node_tail_node(w)
+ end
ensure_tex_attr(attr_icflag, 0)
end
ensure_tex_attr(attr_dir, 0)
-- ボックスに dir whatsit を追加
local function create_dir_whatsit(hd, gc, new_dir)
if getid(hd)==id_whatsit and
- getsubtype(hd)==sid_user and getfield(hd, 'user_id')==DIR then
+ getsubtype(hd)==sid_user and getfield(hd, 'user_id')==DIR then
set_attr(hd, attr_icflag,
- get_attr_icflag(hd) + PROCESSED_BEGIN_FLAG)
- local n = node_next(hd)
+ get_attr_icflag(hd) + PROCESSED_BEGIN_FLAG)
+ local n =node_next(hd)
if n then
- set_attr(n, attr_icflag,
- get_attr_icflag(n) + PROCESSED_BEGIN_FLAG)
+ set_attr(n, attr_icflag,
+ get_attr_icflag(n) + PROCESSED_BEGIN_FLAG)
end
ensure_tex_attr(attr_icflag, 0)
return hd
setfield(w, 'next', hd)
set_attr(w, attr_icflag, PROCESSED_BEGIN_FLAG)
set_attr(hd, attr_icflag,
- get_attr_icflag(hd) + PROCESSED_BEGIN_FLAG)
+ get_attr_icflag(hd) + PROCESSED_BEGIN_FLAG)
ensure_tex_attr(attr_icflag, 0)
ensure_tex_attr(attr_dir, 0)
return w
-- hpack_filter, vpack_filter, post_line_break_filter
-- の結果を組方向を明示するため，先頭に dir_node を設置
+local get_box_dir
do
local function create_dir_whatsit_hpack(h, gc)
local hd = to_direct(h)
- if gc=='fin_row' or gc == 'preamble' then
- if hd then
- set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
- ensure_tex_attr(attr_icflag, 0)
- end
- return h
+ if gc=='fin_row' then
+ if hd then
+ for p in traverse_id(15, hd) do -- unset
+ if get_box_dir(p, 0)==0 then
+ setfield(p, 'head', create_dir_whatsit(getlist(p), 'fin_row', ltjs.list_dir))
+ end
+ end
+ set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
+ ensure_tex_attr(attr_icflag, 0)
+ end
+ return h
+ elseif gc == 'preamble' then
else
- adjust_badness(hd)
- return to_node(create_dir_whatsit(hd, gc, ltjs.list_dir))
+ adjust_badness(hd)
+ return to_node(create_dir_whatsit(hd, gc, ltjs.list_dir))
end
end
ltjb.add_to_callback('hpack_filter',
- create_dir_whatsit_hpack, 'ltj.create_dir_whatsit', 10000)
+ create_dir_whatsit_hpack, 'ltj.create_dir_whatsit', 10000)
end
do
local function create_dir_whatsit_parbox(h, gc)
- stop_time_measure('tex_linebreak')
+ stop_time_measure 'tex_linebreak';
-- start 側は ltj-debug.lua に
local new_dir = ltjs.list_dir
for line in traverse_id(id_hlist, to_direct(h)) do
- setfield(line, 'head', create_dir_whatsit(getlist(line), gc, new_dir) )
+ setfield(line, 'head', create_dir_whatsit(getlist(line), gc, new_dir) )
end
ensure_tex_attr(attr_dir, 0)
return h
end
ltjb.add_to_callback('post_linebreak_filter',
- create_dir_whatsit_parbox, 'ltj.create_dir_whatsit', 10000)
+ create_dir_whatsit_parbox, 'ltj.create_dir_whatsit', 10000)
end
local create_dir_whatsit_vbox
do
local wh = {}
- local id_glue, sid_parskip = node.id('glue'), 3
+ local id_glue, sid_parskip = node.id 'glue', 3
create_dir_whatsit_vbox = function (hd, gc)
ltjs.list_dir = get_dir_count()
-- remove dir whatsit
for x in traverse_id(id_whatsit, hd) do
- if getsubtype(x)==sid_user and getfield(x, 'user_id')==DIR then
- wh[#wh+1]=x
- end
+ if getsubtype(x)==sid_user and getfield(x, 'user_id')==DIR then
+ wh[#wh+1]=x
+ end
end
if hd==wh[1] then
- ltjs.list_dir =has_attr(hd,attr_dir)
- local x = node_next(hd)
- if getid(x)==id_glue and getsubtype(x)==sid_parskip then
- node_remove(hd,x); node_free(x)
- end
+ ltjs.list_dir =has_attr(hd,attr_dir)
+ local x = node_next(hd)
+ if getid(x)==id_glue and getsubtype(x)==sid_parskip then
+ node_remove(hd,x); node_free(x)
+ end
end
for i=1,#wh do
- hd = node_remove(hd, wh[i]); node_free(wh[i]); wh[i] = nil
+ hd = node_remove(hd, wh[i]); node_free(wh[i]); wh[i] = nil
end
if gc=='fin_row' then -- gc == 'preamble' case is treated in dir_adjust_vpack
- if hd then
- set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
- ensure_tex_attr(attr_icflag, 0)
- end
- return hd
+ if hd then
+ set_attr(hd, attr_icflag, PROCESSED_BEGIN_FLAG)
+ ensure_tex_attr(attr_icflag, 0)
+ end
+ return hd
else
- local n =node_next(hd)
- if gc=='vtop' then
- local w = create_dir_whatsit(hd, gc, ltjs.list_dir)
- -- move dir whatsit after hd
- setfield(hd, 'next', w); setfield(w, 'next', n)
- return hd
- else
- hd = create_dir_whatsit(hd, gc, ltjs.list_dir)
- return hd
- end
+ local n =node_next(hd)
+ if gc=='vtop' then
+ local w = create_dir_whatsit(hd, gc, ltjs.list_dir)
+ -- move dir whatsit after hd
+ setfield(hd, 'next', w); setfield(w, 'next', n)
+ return hd
+ else
+ hd = create_dir_whatsit(hd, gc, ltjs.list_dir)
+ return hd
+ end
end
end
end
local zero = function() return 0 end
dir_node_aux = {
[dir_yoko] = { -- yoko を
- [dir_tate] = { -- tate 中で組む
- width = get_h_d,
- height = get_w_half,
- depth = get_w_half_rem,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'kern', function(w,h,d,nw,nh,nd) return -nd end },
- { 'box' , get_h},
- { 'kern', function(w,h,d,nw,nh,nd) return nd-w end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'kern' , zero },
- { 'box' , function(w,h,d,nw,nh,nd) return -nh-nd end },
- { 'kern', get_h_d_neg},
- { 'whatsit', sid_restore },
- },
- },
- [dir_dtou] = { -- dtou 中で組む
- width = get_h_d,
- height = get_w,
- depth = zero,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', function(w,h,d,nw,nh,nd) return -nh end },
- { 'box', get_d_neg },
- { 'kern', function(w,h,d,nw,nh,nd) return nh-w end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', get_h_d_neg },
- { 'box', zero },
- { 'whatsit', sid_restore },
- },
- },
+ [dir_tate] = { -- tate 中で組む
+ width = get_h_d,
+ height = get_w_half,
+ depth = get_w_half_rem,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern', function(w,h,d,nw,nh,nd) return -nd end },
+ { 'box' , get_h},
+ { 'kern', function(w,h,d,nw,nh,nd) return nd-w end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern' , zero },
+ { 'box' , function(w,h,d,nw,nh,nd) return -nh-nd end },
+ { 'kern', get_h_d_neg},
+ { 'whatsit', sid_restore },
+ },
+ },
+ [dir_dtou] = { -- dtou 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', function(w,h,d,nw,nh,nd) return -nh end },
+ { 'box', get_d_neg },
+ { 'kern', function(w,h,d,nw,nh,nd) return nh-w end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_h_d_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
+ },
},
[dir_tate] = { -- tate を
- [dir_yoko] = { -- yoko 中で組む
- width = get_h_d,
- height = get_w,
- depth = zero,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', function (w,h,d,nw,nh,nd) return -nh end },
- { 'box' , get_d_neg },
- { 'kern', function (w,h,d,nw,nh,nd) return nh-w end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 -1 1 0' },
- { 'kern', get_h_d_neg },
- { 'box', zero },
- { 'whatsit', sid_restore },
- },
- },
- [dir_dtou] = { -- dtou 中で組む
- width = get_w,
- height = get_d,
- depth = get_h,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '-1 0 0 -1' },
- { 'kern', get_w_neg },
- { 'box', function (w,h,d,nw,nh,nd) return h-nd end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '-1 0 0 -1' },
- { 'kern', get_h_d_neg },
- { 'box', get_w_neg },
- { 'whatsit', sid_restore },
- },
+ [dir_yoko] = { -- yoko 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', function (w,h,d,nw,nh,nd) return -nh end },
+ { 'box' , get_d_neg },
+ { 'kern', function (w,h,d,nw,nh,nd) return nh-w end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 -1 1 0' },
+ { 'kern', get_h_d_neg },
+ { 'box', zero },
+ { 'whatsit', sid_restore },
+ },
+ },
+ [dir_dtou] = { -- dtou 中で組む
+ width = get_w,
+ height = get_d,
+ depth = get_h,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_w_neg },
+ { 'box', function (w,h,d,nw,nh,nd) return h-nd end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_h_d_neg },
+ { 'box', get_w_neg },
+ { 'whatsit', sid_restore },
+ },
},
},
[dir_dtou] = { -- dtou を
- [dir_yoko] = { -- yoko 中で組む
- width = get_h_d,
- height = get_w,
- depth = zero,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'kern', function (w,h,d,nw,nh,nd) return -nd end },
- { 'box', get_h },
- { 'kern', function (w,h,d,nw,nh,nd) return nd-w end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
+ [dir_yoko] = { -- yoko 中で組む
+ width = get_h_d,
+ height = get_w,
+ depth = zero,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'kern', function (w,h,d,nw,nh,nd) return -nd end },
+ { 'box', get_h },
+ { 'kern', function (w,h,d,nw,nh,nd) return nd-w end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
{ 'kern', zero },
- { 'whatsit', sid_save },
- { 'rotate', '0 1 -1 0' },
- { 'box', function (w,h,d,nw,nh,nd) return -nd-nh end },
- { 'kern', get_h_d_neg },
- { 'whatsit', sid_restore },
- },
- },
- [dir_tate] = { -- tate 中で組む
- width = get_w,
- height = get_d,
- depth = get_h,
- [id_hlist] = {
- { 'whatsit', sid_save },
- { 'rotate', '-1 0 0 -1' },
- { 'kern', get_w_neg },
- { 'box', function (w,h,d,nw,nh,nd) return h-nd end },
- { 'whatsit', sid_restore },
- },
- [id_vlist] = {
- { 'whatsit', sid_save },
- { 'rotate', ' -1 0 0 -1' },
- { 'kern', function (w,h,d,nw,nh,nd) return -nh-nd end },
- { 'box', get_w_neg },
- { 'kern', function (w,h,d,nw,nh,nd) return nh+nd-h-d end },
- { 'whatsit', sid_restore },
- },
- },
+ { 'whatsit', sid_save },
+ { 'rotate', '0 1 -1 0' },
+ { 'box', function (w,h,d,nw,nh,nd) return -nd-nh end },
+ { 'kern', get_h_d_neg },
+ { 'whatsit', sid_restore },
+ },
+ },
+ [dir_tate] = { -- tate 中で組む
+ width = get_w,
+ height = get_d,
+ depth = get_h,
+ [id_hlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', '-1 0 0 -1' },
+ { 'kern', get_w_neg },
+ { 'box', function (w,h,d,nw,nh,nd) return h-nd end },
+ { 'whatsit', sid_restore },
+ },
+ [id_vlist] = {
+ { 'whatsit', sid_save },
+ { 'rotate', ' -1 0 0 -1' },
+ { 'kern', function (w,h,d,nw,nh,nd) return -nh-nd end },
+ { 'box', get_w_neg },
+ { 'kern', function (w,h,d,nw,nh,nd) return nh+nd-h-d end },
+ { 'whatsit', sid_restore },
+ },
+ },
},
}
end
-- 1st ret val: b の組方向
-- 2nd ret val はその DIR whatsit
-local function get_box_dir(b, default)
- start_time_measure('get_box_dir')
+function get_box_dir(b, default)
+ start_time_measure 'get_box_dir'
local dir = has_attr(b, attr_dir) or 0
local bh = getfield(b,'head')
-- b は insert node となりうるので getlist() は使えない
if bh~=0 then -- bh != nil
for bh in traverse_id(id_whatsit, bh) do
if getsubtype(bh)==sid_user and getfield(bh, 'user_id')==DIR then
- c = bh
- dir = (dir==0) and has_attr(bh, attr_dir) or dir
+ c = bh; dir = (dir==0) and has_attr(bh, attr_dir) or dir
end
end
end
- -- for i=1,2 do
- -- if bh and getid(bh)==id_whatsit
- -- and getsubtype(bh)==sid_user and getfield(bh, 'user_id')==DIR then
- -- c = bh
- -- dir = (dir==0) and has_attr(bh, attr_dir) or dir
- -- end
- -- bh = node_next(bh)
- -- end
- stop_time_measure('get_box_dir')
+ stop_time_measure 'get_box_dir'
return (dir==0 and default or dir), c
end
local getbox = tex.getbox
local dir_backup
function luatexja.direction.unbox_check_dir(is_copy)
- start_time_measure('box_primitive_hook')
+ start_time_measure 'box_primitive_hook'
local list_dir = get_dir_count()%dir_math_mod
- local b = getbox(tex_getcount('ltj@tempcnta'))
- if b then
- local box_dir = get_box_dir(to_direct(b), dir_yoko)
- if box_dir%dir_math_mod ~= list_dir then
- ltjb.package_error(
- 'luatexja',
- "Incompatible direction list can't be unboxed",
- 'I refuse to unbox a box in differrent direction.')
+ local b = getbox(tex_getcount 'ltj@tempcnta')
+ if b and getlist(to_direct(b)) then
+ local box_dir = get_box_dir(to_direct(b), dir_yoko)
+ if box_dir%dir_math_mod ~= list_dir then
+ ltjb.package_error(
+ 'luatexja',
+ "Incompatible direction list can't be unboxed",
+ 'I refuse to unbox a box in differrent direction.')
tex.sprint(cat_lp, '\\@gobbletwo')
- else
- dir_backup = nil
- local bd = to_direct(b)
- local hd = getlist(bd)
- local nh = hd
- while hd do
- if getid(hd)==id_whatsit and getsubtype(hd)==sid_user
- and getfield(hd, 'user_id')==DIR then
- local d = hd
- nh, hd = node_remove(nh, hd)
- if is_copy and (not dir_backup) then
- dir_backup = d
- setfield(dir_backup, 'next', nil)
- else
- node_free(d)
- end
- else
- hd = node_next(hd)
- end
- end
- setfield(bd, 'head', nh)
- end
+ else
+ dir_backup = nil
+ local bd = to_direct(b)
+ local hd = getlist(bd)
+ local nh = hd
+ while hd do
+ if getid(hd)==id_whatsit and getsubtype(hd)==sid_user
+ and getfield(hd, 'user_id')==DIR then
+ local d = hd
+ nh, hd = node_remove(nh, hd)
+ if is_copy and (not dir_backup) then
+ dir_backup = d; setfield(dir_backup, 'next', nil)
+ else
+ node_free(d)
+ end
+ else
+ hd = node_next(hd)
+ end
+ end
+ setfield(bd, 'head', nh)
+ end
end
if luatexja.global_temp and tex.globaldefs~=luatexja.global_temp then
- tex.globaldefs = luatexja.global_temp
+ tex.globaldefs = luatexja.global_temp
end
- stop_time_measure('box_primitive_hook')
+ stop_time_measure 'box_primitive_hook'
end
function luatexja.direction.uncopy_restore_whatsit()
- local b = getbox(tex_getcount('ltj@tempcnta'))
+ local b = getbox(tex_getcount 'ltj@tempcnta')
if b then
- local bd = to_direct(b)
- if dir_backup then
- setfield(dir_backup, 'next', getlist(bd))
- setfield(bd, 'head', dir_backup)
- dir_backup = nil
- end
+ local bd = to_direct(b)
+ if dir_backup then
+ setfield(dir_backup, 'next', getlist(bd))
+ setfield(bd, 'head', dir_backup)
+ dir_backup = nil
+ end
end
end
end
local d = getfield(b, 'depth')
local db = node_new(getid(b)) -- dir_node
set_attr(db, attr_dir,
- new_dir + (is_manual and dir_node_manual or dir_node_auto))
+ new_dir + (is_manual and dir_node_manual or dir_node_auto))
set_attr(db, attr_icflag, PROCESSED)
set_attr(b, attr_icflag, PROCESSED)
ensure_tex_attr(attr_dir, 0)
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
- local _, dnc = get_box_dir(b, 0)
- if dnc then -- free all other dir_node
- node.direct.flush_list(getfield(dnc, 'value'))
- setfield(dnc, 'value', nil)
- end
- set_attr(b, attr_dir, box_dir%dir_math_mod + dir_node_auto)
- return head, node_next(b), b, true
- else
- -- 組方向が一緒 (up to math dir) のボックスなので，何もしなくて良い
- return head, node_next(b), b, false
- end
+ if box_dir>=dir_node_auto then
+ -- dir_node としてカプセル化されている
+ local _, dnc = get_box_dir(b, 0)
+ if dnc then -- free all other dir_node
+ node.direct.flush_list(getfield(dnc, 'value'))
+ setfield(dnc, 'value', nil)
+ end
+ set_attr(b, attr_dir, box_dir%dir_math_mod + dir_node_auto)
+ return head, node_next(b), b, true
+ else
+ -- 組方向が一緒 (up to math dir) のボックスなので，何もしなくて良い
+ return head, node_next(b), b, false
+ end
else
- -- 組方向を合わせる必要あり
+ -- 組方向を合わせる必要あり
local nh, nb, ret, flag
- if box_dir>= dir_node_auto then -- unwrap
- local b_dir
+ if box_dir>= dir_node_auto then -- unwrap
+ local b_dir
head, nb, b, b_dir = unwrap_dir_node(b, head, box_dir)
- bh = getlist(b)
- if b_dir%dir_math_mod==new_dir then
- -- dir_node の中身が周囲の組方向とあっている
- return head, nb, b, false
- else box_dir = b_dir end
- end
- box_dir = box_dir%dir_math_mod
- local db
- local dnh = getfield(dn, 'value')
- for x in traverse(dnh) do
- if has_attr(x, attr_dir)%dir_math_mod == new_dir then
- setfield(dn, 'value', to_node(node_remove(dnh, x)))
- db=x; break
- end
- end
- node.direct.flush_list(getfield(dn, 'value'))
- setfield(dn, 'value', nil)
- db = db or create_dir_node(b, box_dir, new_dir, false)
- local w = getfield(b, 'width')
- local h = getfield(b, 'height')
- local d = getfield(b, 'depth')
- local dn_w = getfield(db, 'width')
- local dn_h = getfield(db, 'height')
- local dn_d = getfield(db, 'depth')
- nh, nb = insert_before(head, b, db), nil
- nh, nb = node_remove(nh, b)
+ bh = getlist(b)
+ if b_dir%dir_math_mod==new_dir then
+ -- dir_node の中身が周囲の組方向とあっている
+ return head, nb, b, false
+ else box_dir = b_dir end
+ end
+ box_dir = box_dir%dir_math_mod
+ local db
+ local dnh = getfield(dn, 'value')
+ for x in traverse(dnh) do
+ if has_attr(x, attr_dir)%dir_math_mod == new_dir then
+ setfield(dn, 'value', to_node(node_remove(dnh, x)))
+ db=x; break
+ end
+ end
+ node.direct.flush_list(getfield(dn, 'value'))
+ setfield(dn, 'value', nil)
+ db = db or create_dir_node(b, box_dir, new_dir, false)
+ local w = getfield(b, 'width')
+ local h = getfield(b, 'height')
+ local d = getfield(b, 'depth')
+ local dn_w = getfield(db, 'width')
+ local dn_h = getfield(db, 'height')
+ local dn_d = getfield(db, 'depth')
+ nh, nb = insert_before(head, b, db), nil
+ nh, nb = node_remove(nh, b)
setfield(b, 'next', nil); setfield(db, 'head', b)
ret, flag = db, true
- return nh, nb, ret, flag
+ return nh, nb, ret, flag
end
end
process_dir_node = function (hd, gc)
local x, new_dir = hd, ltjs.list_dir or dir_yoko
while x do
- local xid = getid(x)
- if (xid==id_hlist and get_attr_icflag(x)~=PACKED)
- or xid==id_vlist then
- hd, x = make_dir_whatsit(hd, x, new_dir, 'process_dir_node:' .. gc)
- else
- x = node_next(x)
- end
+ local xid = getid(x)
+ if (xid==id_hlist and get_attr_icflag(x)~=PACKED)
+ or xid==id_vlist then
+ hd, x = make_dir_whatsit(hd, x, new_dir, 'process_dir_node:' .. gc)
+ else
+ x = node_next(x)
+ end
end
return hd
end
-- lastbox
local node_prev = (node.direct~=node) and node.direct.getprev or node.prev
+ local id_glue = node.id 'glue'
local function lastbox_hook()
- start_time_measure('box_primitive_hook')
+ start_time_measure 'box_primitive_hook'
local bn = tex_nest[tex_nest.ptr].tail
if bn then
- local b, head = to_direct(bn), to_direct(tex_nest[tex_nest.ptr].head)
- local bid = getid(b)
- if bid==id_hlist or bid==id_vlist then
- local box_dir = get_box_dir(b, 0)
- if box_dir>= dir_node_auto then -- unwrap dir_node
- local p = node_prev(b)
- local dummy1, dummy2, nb = unwrap_dir_node(b, nil, box_dir)
- setfield(p, 'next', nb); tex_nest[tex_nest.ptr].tail = to_node(nb)
- setfield(b, 'next', nil); setfield(b, 'head', nil)
- node_free(b); b = nb
- end
- local _, wh = get_box_dir(b, 0) -- clean dir_node attached to the box
- if wh then
- node.direct.flush_list(getfield('value', wh))
- setfield(wh, 'value', nil)
- end
- end
+ local b, head = to_direct(bn), to_direct(tex_nest[tex_nest.ptr].head)
+ local bid = getid(b)
+ if bid==id_hlist or bid==id_vlist then
+ local p = getlist(b)
+ -- alignment の各行の中身が入ったボックス
+ if p and getid(p)==id_glue and getsubtype(p)==12 then -- tabskip
+ local np = node_next(p); local npid = getid(np)
+ if npid==id_hlist or npid==id_vlist then
+ setfield(b, 'head', create_dir_whatsit(p, 'align', get_box_dir(np, 0)))
+ end
+ end
+ local box_dir = get_box_dir(b, 0)
+ if box_dir>= dir_node_auto then -- unwrap dir_node
+ local p = node_prev(b)
+ local dummy1, dummy2, nb = unwrap_dir_node(b, nil, box_dir)
+ setfield(p, 'next', nb); tex_nest[tex_nest.ptr].tail = to_node(nb)
+ setfield(b, 'next', nil); setfield(b, 'head', nil)
+ node_free(b); b = nb
+ end
+ local _, wh = get_box_dir(b, 0) -- clean dir_node attached to the box
+ if wh then
+ node.direct.flush_list(getfield('value', wh))
+ setfield(wh, 'value', nil)
+ end
+ end
end
- stop_time_measure('box_primitive_hook')
+ stop_time_measure 'box_primitive_hook'
end
luatexja.direction.make_dir_whatsit = make_dir_whatsit
setfield(wh, 'value',to_node(db))
end
setfield(db, key, scan_dimen())
- return false
+ return false
else
setfield(s, key, scan_dimen())
- if wh then
- -- change dimension of dir_nodes which are created "automatically"
- local bw, bh, bd
- = getfield(s,'width'), getfield(s, 'height'), getfield(s, 'depth')
- for x in traverse(getfield(wh, 'value')) do
- local x_dir = has_attr(x, attr_dir)
- if x_dir<dir_node_manual then
- local info = dir_node_aux[s_dir][x_dir%dir_node_auto]
- setfield(x, 'width', info.width(bw,bh,bd))
- setfield(x, 'height', info.height(bw,bh,bd))
- setfield(x, 'depth', info.depth(bw,bh,bd))
- end
- end
- end
- return true
+ if wh then
+ -- change dimension of dir_nodes which are created "automatically"
+ local bw, bh, bd
+ = getfield(s,'width'), getfield(s, 'height'), getfield(s, 'depth')
+ for x in traverse(getfield(wh, 'value')) do
+ local x_dir = has_attr(x, attr_dir)
+ if x_dir<dir_node_manual then
+ local info = dir_node_aux[s_dir][x_dir%dir_node_auto]
+ setfield(x, 'width', info.width(bw,bh,bd))
+ setfield(x, 'height', info.height(bw,bh,bd))
+ setfield(x, 'depth', info.depth(bw,bh,bd))
+ end
+ end
+ end
+ return true
end
end
local function set_box_dim(key)
local s = getbox(scan_int()); scan_keyword('=')
if s then
- local l_dir = (get_dir_count())%dir_math_mod
- s = to_direct(s)
+ local l_dir = (get_dir_count())%dir_math_mod
+ s = to_direct(s)
local b_dir = get_box_dir(s,dir_yoko)
if b_dir<dir_node_auto then
set_box_dim_common(key, s, l_dir)
- elseif b_dir%dir_math_mod == l_dir then
- -- s is dir_node
- setfield(s, key, scan_dimen())
- if b_dir<dir_node_manual then
- set_attr(s, attr_dir, b_dir%dir_node_auto + dir_node_manual)
- end
+ elseif b_dir%dir_math_mod == l_dir then
+ -- s is dir_node
+ setfield(s, key, scan_dimen())
+ if b_dir<dir_node_manual then
+ set_attr(s, attr_dir, b_dir%dir_node_auto + dir_node_manual)
+ end
else
- local sid, b = getid(s), getlist(s)
- local info = dir_node_aux[get_box_dir(b,dir_yoko)%dir_math_mod][b_dir%dir_node_auto]
- local bw, bh, bd
- = getfield(b,'width'), getfield(b, 'height'), getfield(b, 'depth')
- local sw, sh, sd
- = getfield(s,'width'), getfield(s, 'height'), getfield(s, 'depth')
- if set_box_dim_common(key, b, l_dir) and b_dir<dir_node_manual then
- -- re-calculate dimension of s, if s is created "automatically"
- if b_dir<dir_node_manual then
- setfield(s, 'width', info.width(bw,bh,bd))
- setfield(s, 'height', info.height(bw,bh,bd))
- setfield(s, 'depth', info.depth(bw,bh,bd))
- end
- end
+ local sid, b = getid(s), getlist(s)
+ local info = dir_node_aux[get_box_dir(b,dir_yoko)%dir_math_mod][b_dir%dir_node_auto]
+ local bw, bh, bd
+ = getfield(b,'width'), getfield(b, 'height'), getfield(b, 'depth')
+ local sw, sh, sd
+ = getfield(s,'width'), getfield(s, 'height'), getfield(s, 'depth')
+ if set_box_dim_common(key, b, l_dir) and b_dir<dir_node_manual then
+ -- re-calculate dimension of s, if s is created "automatically"
+ if b_dir<dir_node_manual then
+ setfield(s, 'width', info.width(bw,bh,bd))
+ setfield(s, 'height', info.height(bw,bh,bd))
+ setfield(s, 'depth', info.depth(bw,bh,bd))
+ end
+ end
end
end
end
s = to_direct(s)
local b_dir = get_box_dir(s, dir_yoko)
if b_dir<dir_node_auto then
- return b_dir
+ return b_dir
else
- local b_dir = get_box_dir(
- node_next(node_next(node_next(getlist(s)))), dir_yoko)
- return b_dir
+ local b_dir = get_box_dir(
+ node_next(node_next(node_next(getlist(s)))), dir_yoko)
+ return b_dir
end
else
return 0
local getbox, setbox, copy_list = tex.getbox, tex.setbox, node.direct.copy_list
-- raise, lower
function luatexja.direction.raise_box()
- start_time_measure('box_primitive_hook')
+ start_time_measure 'box_primitive_hook'
local list_dir = get_dir_count()
- local s = getbox('ltj@afbox')
+ local s = getbox 'ltj@afbox'
if s then
- local sd = to_direct(s)
- local box_dir = get_box_dir(sd, dir_yoko)
- if box_dir%dir_math_mod ~= list_dir then
- setbox(
- 'ltj@afbox',
- to_node(copy_list(make_dir_whatsit(sd, sd, list_dir, 'box_move')))
- -- copy_list しないとリストの整合性が崩れる……？
- )
- end
+ local sd = to_direct(s)
+ local box_dir = get_box_dir(sd, dir_yoko)
+ if box_dir%dir_math_mod ~= list_dir then
+ setbox('ltj@afbox',
+ to_node(copy_list(make_dir_whatsit(sd, sd, list_dir, 'box_move')))
+ -- copy_list しないとリストの整合性が崩れる……？
+ )
+ end
end
- stop_time_measure('box_primitive_hook')
+ stop_time_measure 'box_primitive_hook'
end
end
local function glyph_from_packed(h)
local b = getlist(h)
return (getid(b)==id_kern or (getid(b)==id_whatsit and getsubtype(b)==sid_save) )
- and node_next(node_next(node_next(b))) or b
+ and node_next(node_next(node_next(b))) or b
end
luatexja.direction.glyph_from_packed = glyph_from_packed
end
-- adjust
do
- local id_adjust = node.id('adjust')
+ local id_adjust = node.id 'adjust'
function luatexja.direction.check_adjust_direction()
- start_time_measure('box_primitive_hook')
+ start_time_measure 'box_primitive_hook'
local list_dir = get_adjust_dir_count()
local a = tex_nest[tex_nest.ptr].tail
local ad = to_direct(a)
if a and getid(ad)==id_adjust then
- local adj_dir = get_box_dir(ad)
- if list_dir~=adj_dir then
- ltjb.package_error(
- 'luatexja',
- 'Direction Incompatible',
- "\\vadjust's argument and outer vlist must have same direction.")
- node.direct.last_node()
- end
+ local adj_dir = get_box_dir(ad)
+ if list_dir~=adj_dir then
+ ltjb.package_error(
+ 'luatexja',
+ 'Direction Incompatible',
+ "\\vadjust's argument and outer vlist must have same direction.")
+ node.direct.last_node()
+ end
end
- stop_time_measure('box_primitive_hook')
+ stop_time_measure 'box_primitive_hook'
end
end
-- insert
do
- local id_ins = node.id('ins')
- local id_rule = node.id('rule')
+ local id_ins = node.id 'ins'
+ local id_rule = node.id 'rule'
function luatexja.direction.populate_insertion_dir_whatsit()
- start_time_measure('box_primitive_hook')
+ start_time_measure 'box_primitive_hook'
local list_dir = get_dir_count()
local a = tex_nest[tex_nest.ptr].tail
local ad = to_direct(a)
+ if (not a) or getid(ad)~=id_ins then
+ a = node.tail(tex.lists.page_head); ad = to_direct(a)
+ end
if a and getid(ad)==id_ins then
- local h = getfield(ad, 'head')
- if getid(h)==id_whatsit and
- getsubtype(h)==sid_user and getfield(h, 'user_id')==DIR then
- local n = h; h = node_remove(h,h)
- node_free(n)
- end
- for box_rule in traverse(h) do
- if getid(box_rule)<id_rule then
- h = insert_before(h, box_rule, dir_pool[list_dir]())
- end
- end
- ensure_tex_attr(attr_dir, 0)
- setfield(ad, 'head', h)
+ local h = getfield(ad, 'head')
+ if getid(h)==id_whatsit and
+ getsubtype(h)==sid_user and getfield(h, 'user_id')==DIR then
+ local n = h; h = node_remove(h,h)
+ node_free(n)
+ end
+ for box_rule in traverse(h) do
+ if getid(box_rule)<id_rule then
+ h = insert_before(h, box_rule, dir_pool[list_dir]())
+ end
+ end
+ ensure_tex_attr(attr_dir, 0)
+ setfield(ad, 'head', h)
end
- stop_time_measure('box_primitive_hook')
+ stop_time_measure 'box_primitive_hook'
end
end
-- vsplit
do
- local split_dir_whatsit
+ local split_dir_whatsit, split_dir_head
+ local cat_lp = luatexbase.catcodetables['latex-package']
+ local sprint, scan_int, tex_getbox = tex.sprint, token.scan_int, tex.getbox
+ function luatexja.direction.vsplit()
+ local n = scan_int();
+ local p = to_direct(tex_getbox(n))
+ split_dir_head = nil
+ if p then
+ local bh = getlist(p)
+ if getid(bh)==id_whatsit and getsubtype(bh)==sid_user and getfield(bh, 'user_id')==DIR
+ and node_next(bh) then
+ ltjs.list_dir = has_attr(bh, attr_dir)
+ local q = node_next(p)
+ setfield(p, 'head', node_remove(bh,bh,bh))
+ split_dir_head = bh
+ end
+ end
+ sprint(cat_lp, '\\ltj@@orig@vsplit' .. tostring(n))
+ end
local function dir_adjust_vpack(h, gc)
- start_time_measure('direction_vpack')
+ start_time_measure 'direction_vpack'
local hd = to_direct(h)
if gc=='split_keep' then
- -- supply dir_whatsit
- hd = create_dir_whatsit_vbox(hd, gc)
- split_dir_whatsit = hd
+ -- supply dir_whatsit
+ hd = create_dir_whatsit_vbox(hd, gc)
+ split_dir_whatsit = hd
elseif gc=='split_off' then
- for bh in traverse_id(id_whatsit, hd) do
- if getsubtype(bh)==sid_user and getfield(bh, 'user_id')==DIR then
- ltjs.list_dir = has_attr(bh, attr_dir); break
- end
- end
- if split_dir_whatsit then
- -- adjust direction of 'split_keep'
- set_attr(split_dir_whatsit, attr_dir, ltjs.list_dir)
- end
- split_dir_whatsit=nil
+ if split_dir_head then
+ ltjs.list_dir = has_attr(split_dir_head, attr_dir)
+ hd = insert_before(hd, hd, split_dir_head)
+ split_dir_head=nil
+ end
+ if split_dir_whatsit then
+ -- adjust direction of 'split_keep'
+ set_attr(split_dir_whatsit, attr_dir, ltjs.list_dir)
+ end
+ split_dir_whatsit=nil
elseif gc=='preamble' then
- split_dir_whatsit=nil
+ split_dir_whatsit=nil
else
- adjust_badness(hd)
- -- hd = process_dir_node(create_dir_whatsit_vbox(hd, gc), gc)
- -- done in append_to_vpack callback
- hd = create_dir_whatsit_vbox(hd, gc)
- split_dir_whatsit=nil
+ adjust_badness(hd)
+ -- hd = process_dir_node(create_dir_whatsit_vbox(hd, gc), gc)
+ -- done in append_to_vpack callback
+ hd = create_dir_whatsit_vbox(hd, gc)
+ split_dir_whatsit=nil
end
- stop_time_measure('direction_vpack')
+ stop_time_measure 'direction_vpack'
return to_node(hd)
end
ltjb.add_to_callback('vpack_filter',
- dir_adjust_vpack,
- 'ltj.direction', 10000)
+ dir_adjust_vpack,
+ 'ltj.direction', 10000)
end
do
return to_node(create_dir_whatsit_vbox(to_direct(h), gc))
end
ltjb.add_to_callback('pre_output_filter',
- dir_adjust_pre_output,
- 'ltj.direction', 10000)
+ dir_adjust_pre_output,
+ 'ltj.direction', 10000)
function luatexja.direction.remove_end_whatsit()
local h=tex.lists.page_head
if h and (not h.next) and
- h.id==id_whatsit and h.subtype==sid_user and
+ h.id==id_whatsit and h.subtype==sid_user and
h.user_id == DIR then
- tex.lists.page_head = nil
- node.free(h)
+ tex.lists.page_head = nil
+ node.free(h)
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)
+ while b and ((getid(b)~=id_hlist) and (getid(b)~=id_vlist)) do
+ 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)
+ nn = node_new(id_kern, 1)
setfield(nn, 'kern', arg(w, h, d, dn_w, dn_h, dn_d))
elseif cmd=='whatsit' then
nn = node_new(id_whatsit, arg)
db_tail = nn
else
setfield(db, 'head', nn)
- db_head, db_tail = nn, nn
+ db_head, db_tail = nn, nn
end
end
end
else
finalize_inner(n)
end
- end
+ end
end
end
- local getbox = tex.getbox
+ local getbox, shipout = tex.getbox, tex.shipout
local setbox, copy = node.direct.setbox, node.direct.copy
- local lua_mem_kb = 0
- function luatexja.direction.finalize()
- local a = to_direct(tex.getbox("AtBeginShipoutBox"))
+ local afbox
+ function luatexja.direction.shipout()
+ start_time_measure 'box_primitive_hook'
+ if (not afbox) and luatexja.afbox_number then afbox = luatexja.afbox_number end
+ local a = to_direct(getbox 'ltj@afbox')
local a_dir = get_box_dir(a, dir_yoko)
if a_dir~=dir_yoko then
local b = create_dir_node(a, a_dir, dir_yoko, false)
setfield(b, 'head', a); a = b
end
- setfield(shipout_temp, 'head', a)
- finalize_inner(shipout_temp)
- setbox('global', "AtBeginShipoutBox", copy(getlist(shipout_temp)))
- setfield(shipout_temp, 'head',nil)
-
- -- garbage collect
- --local m = collectgarbage('count')
- --if m>lua_mem_kb+20480 then
- -- collectgarbage(); lua_mem_kb = collectgarbage('count')
- --end
- --print('Lua Memory Usage', lua_mem_kb)
+ setfield(shipout_temp, 'head', a); finalize_inner(shipout_temp)
+ setbox(afbox, copy(getlist(shipout_temp))); setfield(shipout_temp, 'head',nil)
+ shipout(afbox)
+ stop_time_measure 'box_primitive_hook'
end
end
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