--
--- luatexja/ltj-pretreat.lua
+-- ltj-pretreat.lua
--
luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('jfont'); local ltjf = luatexja.jfont
luatexja.load_module('direction'); local ltjd = luatexja.direction
-local Dnode = node.direct or node
+local to_node = node.direct.tonode
+local to_direct = node.direct.todirect
-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 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 getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end
-local getfield = (Dnode ~= node) and Dnode.getfield or function(n, i) return n[i] end
-local getsubtype = (Dnode ~= node) and Dnode.getsubtype or function(n) return n.subtype end
+local setfield = node.direct.setfield
+local getid = node.direct.getid
+local getfont = node.direct.getfont
+local getchar = node.direct.getchar
+local getfield = node.direct.getfield
+local getsubtype = node.direct.getsubtype
+local getlang = node.direct.getlang or function (n) return getfield(n,'lang') end
local pairs = pairs
local floor = math.floor
-local has_attr = Dnode.has_attribute
-local set_attr = Dnode.set_attribute
-local node_traverse = Dnode.traverse
-local node_remove = Dnode.remove
-local node_next = (Dnode ~= node) and Dnode.getnext or node.next
-local node_free = Dnode.free
-local node_end_of_math = Dnode.end_of_math
+local has_attr = node.direct.has_attribute
+local set_attr = node.direct.set_attribute
+local node_traverse = node.direct.traverse
+local node_remove = node.direct.remove
+local node_next = node.direct.getnext
+local node_free = node.direct.free
+local node_end_of_math = node.direct.end_of_math
local tex_getcount = tex.getcount
local id_glyph = node.id('glyph')
local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
local ltjs_orig_char_table = ltjs.orig_char_table
local ltjf_replace_altfont = ltjf.replace_altfont
-local attr_orig_char = luatexbase.attributes['ltj@origchar']
local STCK = luatexja.userid_table.STCK
local DIR = luatexja.userid_table.DIR
+local JA_AL_BDD = luatexja.userid_table.JA_AL_BDD
local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
local dir_tate = luatexja.dir_table.dir_tate
local lang_ja = luatexja.lang_ja
+local setlang = node.direct.setlang or function(n,l) setfield(n,'lang',l) end
+local setfont = node.direct.setfont or function(n,l) setfield(n,'font',l) end
+local setchar = node.direct.setchar or function(n,l) setfield(n,'char',l) end
+
------------------------------------------------------------------------
-- MAIN PROCESS STEP 1: replace fonts
------------------------------------------------------------------------
{
__index = function() return node_next end,
})
+ local id_boundary = node.id('boundary')
+ local node_new, insert_before = node.direct.new, node.direct.insert_before
+ local setsubtype = node.direct.setsubtype or function(n,l) setfield(n,'subtype',l) end
local function suppress_hyphenate_ja (h)
start_time_measure('ltj_hyphenate')
head = to_direct(h)
do
local p = head
while p do
- local pid = getid(p)
+ local pid, prev_chartype = getid(p), 0
+ -- prev_chartype: 0: not char 1: ALchar 2: JAchar
while pid==id_glyph do
local pc = getchar(p)
- if (has_attr(p, attr_icflag) or 0)<=0 and is_ucs_in_japanese_char(p, pc) then
- setfield(p, 'font',
- ltjf_replace_altfont(has_attr(p, attr_curjfnt) or getfont(p), pc))
- setfield(p, 'lang', lang_ja)
- ltjs_orig_char_table[p] = pc
+ if has_attr(p, attr_icflag, 0) and is_ucs_in_japanese_char(p, pc) then
+ if prev_chartype==1 then
+ local b = node_new(id_whatsit,sid_user);
+ setfield(b, 'type', 100); setfield(b, 'user_id', JA_AL_BDD);
+ insert_before(head, p, b)
+ end
+ local pf = has_attr(p, attr_curjfnt)
+ pf = (pf and pf>0 and pf) or getfont(p)
+ setfont(p, ltjf_replace_altfont(pf, pc))
+ setlang(p, lang_ja)
+ ltjs_orig_char_table[p], prev_chartype = pc, 2
+ elseif prev_chartype==2 then
+ local b = node_new(id_whatsit,sid_user);
+ setfield(b, 'type', 100); setfield(b, 'user_id', JA_AL_BDD);
+ insert_before(head, p, b); prev_chartype = 1
+ else prev_chartype = 1
end
p = node_next(p); pid = getid(p)
end
return h
end
- luatexbase.add_to_callback('hyphenate',
+ ltjb.add_to_callback('hyphenate',
function (head,tail)
return suppress_hyphenate_ja(head)
end,'ltj.hyphenate')
-- mode: true iff this function is called from hpack_filter
local ltjs_report_stack_level = ltjs.report_stack_level
-local ltjf_vert_form_table = ltjf.vert_form_table
local ltjf_font_metric_table = ltjf.font_metric_table
local font_getfont = font.getfont
local function set_box_stack_level(head, mode)
local box_set, cl = 0, tex.currentgrouplevel + 1
- for _,p in pairs(wt) do
- if mode and getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+ if mode then
+ for _,p in pairs(wt) do
+ if getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+ end
+ else
+ for _,p in pairs(wt) do node_free(p) end
end
ltjs_report_stack_level(tex_getcount('ltj@@stack') + box_set)
for _,p in pairs(wtd) do
node_free(p)
end
if ltjs.list_dir == dir_tate then
- for p in Dnode.traverse_id(id_glyph,to_direct(head)) do
- if (has_attr(p, attr_icflag) or 0)<=0 and getfield(p, 'lang')==lang_ja then
- local pfn = has_attr(p, attr_curtfnt) or getfont(p)
- local pc = ltjs_orig_char_table[p]
- local nf = ltjf_replace_altfont(pfn, pc)
- setfield(p, 'font', nf)
+ for p in node.direct.traverse_id(id_glyph,to_direct(head)) do
+ if has_attr(p, attr_icflag, 0) and getlang(p)==lang_ja then
+ local nf = ltjf_replace_altfont( has_attr(p, attr_curtfnt) or getfont(p) , ltjs_orig_char_table[p])
+ setfont(p, nf)
if ltjf_font_metric_table[nf].vert_activated then
- pc = ltjf_vert_form_table [getchar(p)]
- if font_getfont(nf).characters[pc] then setfield(p, 'char', pc) end
+ local pc = getchar(p)
+ pc = ltjf_font_metric_table[nf].vform[pc]
+ if pc then setchar(p, pc) end
end
end
end
end
-- CALLBACKS
-luatexbase.add_to_callback('hpack_filter',
+ltjb.add_to_callback('hpack_filter',
function (head)
return set_box_stack_level(head, true)
end,'ltj.set_stack_level',1)
-luatexbase.add_to_callback('pre_linebreak_filter',
+ltjb.add_to_callback('pre_linebreak_filter',
function (head)
return set_box_stack_level(head, false)
end,'ltj.set_stack_level',1)
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