-- luatexja/ltj-pretreat.lua
--
+luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('charrange'); local ltjc = luatexja.charrange
luatexja.load_module('stack'); local ltjs = luatexja.stack
+luatexja.load_module('jfont'); local ltjf = luatexja.jfont
+luatexja.load_module('direction'); local ltjd = luatexja.direction
+local Dnode = node.direct or node
+
+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 pairs = pairs
local floor = math.floor
-local has_attr = node.has_attribute
-local set_attr = node.set_attribute
-local node_traverse = node.traverse
-local node_type = node.type
-local node_remove = node.remove
-local node_next = node.next
-local node_free = node.free
+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 tex_getcount = tex.getcount
local id_glyph = node.id('glyph')
local id_whatsit = node.id('whatsit')
local sid_user = node.subtype('user_defined')
+local attr_dir = luatexbase.attributes['ltj@dir']
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
+local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
local attr_icflag = luatexbase.attributes['ltj@icflag']
-local ltjc_is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char
+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 STCK = luatexja.userid_table.STCK
+local DIR = luatexja.userid_table.DIR
+local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
+
+local dir_tate = luatexja.dir_table.dir_tate
+local lang_ja = luatexja.lang_ja
------------------------------------------------------------------------
-- MAIN PROCESS STEP 1: replace fonts
------------------------------------------------------------------------
-local wt
-
-local function suppress_hyphenate_ja(head)
- local non_math, p = true, head
- wt = {}
- while p do
- local pid = p.id
- if pid == id_glyph then
- if (has_attr(p, attr_icflag) or 0)<=0 and ltjc_is_ucs_in_japanese_char(p) then
- p.font = has_attr(p, attr_curjfnt) or p.font
- p.subtype = floor(p.subtype*0.5)*2
- set_attr(p, attr_orig_char, p.char)
+local wt, wtd = {}, {}
+do
+ local ltjd_get_dir_count = ltjd.get_dir_count
+ local start_time_measure, stop_time_measure
+ = ltjb.start_time_measure, ltjb.stop_time_measure
+ local head
+ local suppress_hyphenate_ja_aux = {
+ [id_math] = function(p) return node_next(node_end_of_math(node_next(p))) end,
+ [id_whatsit] = function(p)
+ if getsubtype(p)==sid_user then
+ local uid = getfield(p, 'user_id')
+ if uid==STCK then
+ wt[#wt+1] = p; node_remove(head, p)
+ elseif uid==DIR then
+ if has_attr(p, attr_icflag)<PROCESSED_BEGIN_FLAG then
+ ltjs.list_dir = has_attr(p, attr_dir)
+ else -- こっちのケースは通常使用では起こらない
+ wtd[#wtd+1] = p; node_remove(head, p)
+ end
+ end
+ end
+ return node_next(p)
+ end,
+ }
+ setmetatable(suppress_hyphenate_ja_aux,
+ {
+ __index = function() return node_next end,
+ })
+ local function suppress_hyphenate_ja (h)
+ start_time_measure('ltj_hyphenate')
+ head = to_direct(h)
+ for i = 1,#wt do wt[i]=nil end
+ for i = 1,#wtd do wtd[i]=nil end
+ for i,_ in pairs(ltjs_orig_char_table) do
+ ltjs_orig_char_table[i] = nil
+ end
+ ltjs.list_dir=ltjd_get_dir_count()
+ do
+ local p = head
+ while p do
+ local pid = getid(p)
+ 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
+ end
+ p = node_next(p); pid = getid(p)
+ end
+ p = (suppress_hyphenate_ja_aux[pid])(p)
end
- elseif pid == id_math then
- p = node_next(p) -- skip math on
- while p and p.id~=id_math do p = node_next(p) end
- elseif pid == id_whatsit and p.subtype==sid_user and p.user_id==STCK then
- wt[#wt+1] = p; head = node_remove(head, p)
end
- p = node_next(p)
+ stop_time_measure('ltj_hyphenate'); start_time_measure('tex_hyphenate')
+ lang.hyphenate(h, nil)
+ stop_time_measure('tex_hyphenate')
+ return h
end
- lang.hyphenate(head)
- return head
+
+ luatexbase.add_to_callback('hyphenate',
+ function (head,tail)
+ return suppress_hyphenate_ja(head)
+ end,'ltj.hyphenate')
end
-- 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 function set_box_stack_level(head, mode)
local box_set, cl = 0, tex.currentgrouplevel + 1
for _,p in pairs(wt) do
- if mode and p.value==cl then box_set = 1 end; node_free(p)
+ if mode and getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+ 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)
+ 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
+ end
+ end
+ end
end
- ltjs.report_stack_level(tex_getcount('ltj@@stack') + box_set)
+ --luatexja.ext_show_node_list(head, 'S> ', print)
return head
end
-- CALLBACKS
-luatexbase.add_to_callback('hpack_filter',
+luatexbase.add_to_callback('hpack_filter',
function (head)
return set_box_stack_level(head, true)
end,'ltj.hpack_filter_pre',1)
-luatexbase.add_to_callback('pre_linebreak_filter',
+luatexbase.add_to_callback('pre_linebreak_filter',
function (head)
return set_box_stack_level(head, false)
end,'ltj.pre_linebreak_filter_pre',1)
-luatexbase.add_to_callback('hyphenate',
- function (head,tail)
- return suppress_hyphenate_ja(head)
- end,'ltj.hyphenate')
luatexja.pretreat = {
set_box_stack_level = set_box_stack_level,
+ orig_char_table = orig_char_table,
}
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