-- luatexja/ltj-pretreat.lua
--
+luatexja.load_module('base'); local ltjb = luatexja.base
luatexja.load_module('charrange'); local ltjc = luatexja.charrange
-luatexja.load_module('jfont'); local ltjf = luatexja.jfont
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 fonts_ids = fonts.ids
local id_glyph = node.id('glyph')
local id_math = node.id('math')
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 ltjf_font_metric_table = ltjf.font_metric_table
-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 fwglyph = {
- ["Japan1"] = {
- [0x00A4] = 16280,
- [0x00A9] = 8059,
- [0x00AC] = 8008,
- [0x00AE] = 8060,
- [0x00B5] = 12093,
- [0x00BC] = 8185,
- [0x00BD] = 8184,
- [0x00BE] = 9783,
- [0x2012] = 16206,
- [0x201C] = 672,
- [0x201D] = 673,
- [0x201E] = 8280,
- [0x2022] = 12256,
- [0x2026] = 668,
- [0x20AC] = 9779,
- [0x2122] = 11853,
- [0x2127] = 16204,
- [0x2153] = 9781,
- [0x2154] = 9782,
- [0x2155] = 9784,
- [0x215B] = 9796,
- [0x215C] = 9797,
- [0x215D] = 9798,
- [0x215E] = 9799,
- [0x2209] = 16299,
- [0x2225] = 16196,
- [0x2226] = 16300,
- [0x2245] = 16301,
- [0x2248] = 16302,
- [0x2262] = 16303,
- [0x2276] = 16304,
- [0x2277] = 16305,
- [0x2284] = 16306,
- [0x2285] = 16307,
- [0x228A] = 16308,
- [0x228B] = 16309,
- [0x22DA] = 16310,
- [0x22DB] = 16311,
- [0x2318] = 16271,
- }
-}
+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
- local pf = has_attr(p, attr_curjfnt) or p.font
- p.font = pf
- p.subtype = floor(p.subtype*0.5)*2
- set_attr(p, attr_orig_char, p.char)
- if ltjf_font_metric_table[pf] and ltjf_font_metric_table[pf].mono_flag then
- local pfd = fonts_ids[pf]
- local pco = pfd.cidinfo.ordering
- for i,v in pairs(fwglyph) do
- if pco == i and pfd.shared.resources then
- -- print(pf, pfd.fullname, pfd)
- -- for j,w in pairs(pfd.resources) do
- -- print('["' .. j .. '"] = ' .. tostring(w))
- -- if type(w) == 'table' and j~='characters' then
- -- for k,x in pairs(w) do
- -- print(' ["' .. k .. '"] = ' .. tostring(x))
- -- end
- -- end
- -- end
- local fwc = pfd.shared.resources.unicodes[pco .. '.'.. tostring(v[p.char])]
- if fwc then p.char = fwc end
- break
- end
+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
- 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)
+ 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
- p = node_next(p)
+ 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
+ end
+ 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,
}