local id_whatsit = node.id('whatsit')
local sid_user = node.subtype('user_defined')
-local node_new = node.new
-local node_remove = node.remove
-local node_next = node.next
-local node_free = node.free
-local has_attr = node.has_attribute
-local set_attr = node.set_attribute
-local unset_attr = node.unset_attribute
-local node_insert_after = node.insert_after
+local Dnode = node.direct or node
+
+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 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 node_new = Dnode.new
+local node_remove = luatexja.Dnode_remove -- Dnode.remove
+local node_next = (Dnode ~= node) and Dnode.getnext or node.next
+local node_free = Dnode.free
+local has_attr = Dnode.has_attribute
+local set_attr = Dnode.set_attribute
+local unset_attr = Dnode.unset_attribute
+local node_insert_after = Dnode.insert_after
+local node_write = Dnode.write
+local node_traverse_id = Dnode.traverse_id
+
local identifiers = fonts.hashes.identifiers
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
local ltjc_is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char
luatexja.userid_table.OTF = luatexbase.newuserwhatsitid('char_by_cid', 'luatexja')
-luatexja.userid_table.VSR = luatexbase.newuserwhatsitid('replace_vs', 'luatexja')
+luatexja.userid_table.VSR = luatexbase.newuserwhatsitid('replace_vs', 'luatexja')
local OTF, VSR = luatexja.userid_table.OTF, luatexja.userid_table.VSR
local function get_ucs_from_rmlgbm(c)
local i = string.len(w)
if i==4 then -- UCS2
return tonumber(w,16)
- elseif i==8 then
+ elseif i==8 then
i,w = tonumber(string.sub(w,1,4),16), tonumber(string.sub(w,-4),16)
if (w>=0xD800) and (w<=0xDB7F) and (i>=0xDC00) and (i<=0xDFFF) then -- Surrogate pair
return (w-0xD800)*0x400 + (i-0xDC00)
local function append_jglyph(char)
local p = node_new(id_whatsit,sid_user)
local v = tex.attribute[attr_curjfnt]
- p.user_id=OTF; p.type=100; p.value=char
+ setfield(p, 'user_id', OTF)
+ setfield(p, 'type', 100)
+ setfield(p, 'value', char)
set_attr(p, attr_yablshift, tex.attribute[attr_ykblshift])
- node.write(p)
+ node_write(p)
end
local function cid(key)
if key==0 then return append_jglyph(char) end
local curjfnt = identifiers[tex.attribute[attr_curjfnt]]
- if not curjfnt.cidinfo or
+ if not curjfnt.cidinfo or
curjfnt.cidinfo.ordering ~= "Japan1" and
curjfnt.cidinfo.ordering ~= "GB1" and
curjfnt.cidinfo.ordering ~= "CNS1" and
ltjb.package_warning('luatexja-otf',
'Current Japanese font (or other CJK font) "'
..curjfnt.psname..'" does not have the specified CID character ('
- ..tostring(key)..')',
+ ..tostring(key)..')',
'Use a font including the specified CID character.')
char = 0
end
end
local function extract(head)
+ head = to_direct(head)
local p = head
local v
while p do
- if p.id==id_whatsit then
- if p.subtype==sid_user then
- local puid = p.user_id
+ if getid(p)==id_whatsit then
+ if getsubtype(p)==sid_user then
+ local puid = getfield(p, 'user_id')
if puid==OTF or puid==VSR then
local g = node_new(id_glyph)
- g.subtype = 0; g.char = p.value
- v = has_attr(p, attr_curjfnt); g.font = v
- set_attr(g, attr_curjfnt,
- puid==OTF and v or 0)
+ setfield(g, 'subtype', 0)
+ setfield(g, 'char', getfield(p, 'value'))
+ v = has_attr(p, attr_curjfnt); setfield(g, 'font',v)
+ set_attr(g, attr_curjfnt, puid==OTF and v or -1)
-- VSR yields ALchar
v = has_attr(p, attr_yablshift)
- if v then
+ if v then
set_attr(g, attr_yablshift, v)
else
unset_attr(g, attr_yablshift)
end
p = node_next(p)
end
- return head
+ return to_node(head)
end
-luatexbase.add_to_callback('hpack_filter',
- function (head) return extract(head) end,'ltj.hpack_filter_otf',
+luatexbase.add_to_callback('hpack_filter', extract,
+ 'ltj.hpack_filter_otf',
luatexbase.priority_in_callback('pre_linebreak_filter',
'ltj.pre_linebreak_filter'))
-luatexbase.add_to_callback('pre_linebreak_filter',
- function (head) return extract(head) end, 'ltj.pre_linebreak_filter_otf',
+luatexbase.add_to_callback('pre_linebreak_filter', extract,
+ 'ltj.pre_linebreak_filter_otf',
luatexbase.priority_in_callback('pre_linebreak_filter',
'ltj.pre_linebreak_filter'))
if j then
j = tonumber(fi.resources.unicodes['Japan1.'..tostring(j)])
if j then
- fmtable.cid_char_type[j] = v
+ fmtable.cid_char_type[j] = v
end
end
end
end
return fmtable
end
-luatexbase.add_to_callback("luatexja.define_jfont",
+luatexbase.add_to_callback("luatexja.define_jfont",
cid_to_char, "ltj.otf.define_jfont", 1)
-- 既に読み込まれているフォントに対しても，同じことをやらないといけない
for fn, v in pairs(ltjf_font_metric_table) do
else return 0
end
end
-luatexbase.add_to_callback("luatexja.find_char_class",
+luatexbase.add_to_callback("luatexja.find_char_class",
cid_set_char_class, "ltj.otf.find_char_class", 1)
-------------------- IVS
for i,_ in pairs(ivs[bu]) do
if i==vs then uniq_flag = false; break end
end
- if uniq_flag then
+ if uniq_flag then
ivs[bu][vsel] = unitable[gv.name]
end
end
end
local fname = id.filename
local bname = file.basename(fname)
- if not fname then
+ if not fname then
font_ivs_table[n] = {}; return
- elseif font_ivs_basename[bname] then
+ elseif font_ivs_basename[bname] then
font_ivs_table[n] = font_ivs_basename[bname]; return
end
-
+
-- if the cache is present, read it
local newsum = checksum(fname) -- MD5 checksum of the fontfile
local v = "ivs_" .. string.lower(file.nameonly(fname))
- local dat = ltjb.load_cache(v,
+ local dat = ltjb.load_cache(v,
function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
)
-- if the cache is not found or outdated, save the cache
- if dat then
+ if dat then
font_ivs_basename[bname] = dat[1] or {}
else
dat = make_ivs_table(id, fname)
font_ivs_basename[bname] = dat or {}
ltjb.save_cache( v,
{
- chksum = checksum(fname),
+ chksum = checksum(fname),
version = cache_ver,
dat,
})
-- 組版時
local function ivs_jglyph(char, bp, pf, uid)
local p = node_new(id_whatsit,sid_user)
- p.user_id=uid; p.type=100; p.value=char
+ setfield(p, 'user_id', uid)
+ setfield(p, 'type', 100)
+ setfield(p, 'value', char)
set_attr(p, attr_curjfnt, pf)
set_attr(p, attr_yablshift, has_attr(bp, attr_ykblshift) or 0)
return p
end
local function do_ivs_repr(head)
- local p = head
+ head = to_direct(head)
+ local p, r = head
while p do
- local pid = p.id
+ local pid = getid(p)
if pid==id_glyph then
- local pf = p.font
+ local pf = getfont(p)
local q = node_next(p) -- the next node of p
- if q and q.id==id_glyph then
- local qc = q.char
- if (qc>=0xFE00 and qc<=0xFE0F) or (qc>=0xE0100 and qc<0xE01F0) then
+ if q and getid(q)==id_glyph then
+ local qc = getchar(q)
+ if (qc>=0xFE00 and qc<=0xFE0F) or (qc>=0xE0100 and qc<0xE01F0) then
-- q is a variation selector
if qc>=0xE0100 then qc = qc - 0xE0100 end
local pt = font_ivs_table[pf]
- pt = pt and pt[p.char]; pt = pt and pt[qc]
- head = node_remove(head,q)
+ pt = pt and pt[getchar(p)]; pt = pt and pt[qc]
+ head, r = node_remove(head,q)
+ node_free(q)
if pt then
local np = ivs_jglyph(pt, p, pf,
(has_attr(p,attr_curjfnt) or 0)==pf and OTF or VSR)
- head = node_insert_after(head, p, np)
+ head = node_insert_after(head, p, np)
head = node_remove(head,p)
- p = np
+ node_free(p)
end
+ p = r
+ else
+ p = q
end
+ else
+ p = node_next(p)
end
+ else
+ p = node_next(p)
end
- p = node_next(p)
end
- return head
- end
-
- -- font define
- local function font_callback(name, size, id, fallback)
- local d = fallback(name, size, id)
- prepare_ivs_data(id, d)
- return d
+ return to_node(head)
end
enable_ivs = function ()
ltjb.package_warning('luatexja-otf',
'luatexja.otf.enable_ivs() was already called, so this call is ignored', '')
else
- luatexbase.add_to_callback('hpack_filter',
- function (head) return do_ivs_repr(head) end,'do_ivs', 1)
- luatexbase.add_to_callback('pre_linebreak_filter',
- function (head) return do_ivs_repr(head) end, 'do_ivs', 1)
+ luatexbase.add_to_callback('hpack_filter',
+ do_ivs_repr,'do_ivs', 1)
+ luatexbase.add_to_callback('pre_linebreak_filter',
+ do_ivs_repr, 'do_ivs', 1)
local ivs_callback = function (name, size, id)
return font_callback(
- name, size, id,
+ name, size, id,
function (name, size, id) return luatexja.font_callback(name, size, id) end
)
end
- luatexbase.add_to_callback('define_font',ivs_callback,"luatexja.ivs_font_callback", 1)
+ luatexbase.add_to_callback('luatexja.define_font',
+ function (res, name, size, id)
+ prepare_ivs_data(id, res)
+ end,
+ 'prepare_ivs_data', 1)
for i=1,font.nextid()-1 do
if identifiers[i] then prepare_ivs_data(i, identifiers[i]) end
end
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