--
--- luatexja/pretreat.lua
+-- luatexja/ltj-pretreat.lua
--
-luatexbase.provides_module({
- name = 'luatexja.pretreat',
- date = '2012/07/19',
- version = '0.2',
- description = '',
-})
-module('luatexja.pretreat', package.seeall)
-local err, warn, info, log = luatexbase.errwarinf(_NAME)
luatexja.load_module('charrange'); local ltjc = luatexja.charrange
-luatexja.load_module('jfont'); local ltjf = luatexja.jfont
luatexja.load_module('stack'); local ltjs = luatexja.stack
local floor = math.floor
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
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 attr_orig_char = luatexbase.attributes['ltj@origchar']
+local STCK = luatexja.userid_table.STCK
------------------------------------------------------------------------
-- MAIN PROCESS STEP 1: replace fonts
local non_math, p = true, head
wt = {}
while p do
- if p.id == id_glyph then
+ 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)
end
- elseif p.id == id_math then
+ 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 p.id == id_whatsit and p.subtype==sid_user and p.user_id==30112 then
+ 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)
end
-- mode: true iff this function is called from hpack_filter
-function set_box_stack_level(head, mode)
+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)
function (head,tail)
return suppress_hyphenate_ja(head)
end,'ltj.hyphenate')
+
+luatexja.pretreat = {
+ set_box_stack_level = set_box_stack_level,
+}