local kcat_attr_table = {}
local pow_table = {}
local fn_table = {} -- used in is_ucs_in_japanese_char_direct
+local nfn_table = {} -- used in is_ucs_in_japanese_char_node
for i = 0, 31*ATTR_RANGE-1 do
- kcat_attr_table[i] = luatexbase.attributes['ltj@kcat'..floor(i/31)]
- pow_table[i] = pow(2, i%31)
- fn_table[i] = function(p)
- return floor(has_attr(p, kcat_attr_table[i])/pow_table[i])%2 ~= jcr_noncjk
- end
+ local ka, pw = luatexbase.attributes['ltj@kcat'..floor(i/31)], 1/pow(2, i%31)
+ local jcr_noncjk = jcr_noncjk
+ kcat_attr_table[i], pow_table[i] = ka, pow(2, i%31)
+ fn_table[i] = function(p) return floor(has_attr(p, ka)*pw)%2 ~= jcr_noncjk end
+ nfn_table[i] = function(p) return floor(has_attr_node(p, ka)*pw)%2 ~= jcr_noncjk end
end
-fn_table[-1]= function() return false end -- for char --U+007F
+fn_table[-1] = function() return false end -- for char --U+007F
+nfn_table[-1] = function() return false end -- for char --U+007F
pow_table[31*ATTR_RANGE] = pow(2, 31)
-- jcr_table_main[chr_code] = index
end
function char_to_range(c) -- return the external range number
- c=ltjb.in_unicode(c, false)
- if c<0x80 then return -1
- else
- local r = jcr_table_main[c] or 217
- return (r and r~=0) and r or 217
- end
+ local r = jcr_table_main[ltjb.in_unicode(c, false)] or 217
+ return (r~=0) and r or 217
end
function get_range_setting(i) -- i: internal range number
-- glyph_node p は和文文字か?
function is_ucs_in_japanese_char_node(p)
- local c = p.char
- if c<0x80 then
- return false
- else
- local i=jcr_table_main[c]
- return (floor(
- has_attr_node(p, kcat_attr_table[i])/pow_table[i])%2 ~= jcr_noncjk)
- end
+ return nfn_table[jcr_table_main[c or p.char]](p)
end
is_ucs_in_japanese_char = is_ucs_in_japanese_char_node
-- only ltj-otf.lua uses this version
end
function is_japanese_char_curlist(c) -- assume that c>=0x80
- local i=jcr_table_main[c]
- return get_range_setting(i)~= jcr_noncjk
+ return get_range_setting(jcr_table_main[c])~= jcr_noncjk
end
-- EXT
if i>=7*ATTR_RANGE then i=0 end
local attr = kcat_attr_table[i]
local a = tex_getattr(attr)
- tex.setattribute(g,attr,(floor(a/pow_table[i+1])*2+kc)*pow_table[i]+a%pow_table[i])
+ tex.setattribute(g, attr,
+ (floor(a/pow_table[i+1])*2+kc)*pow_table[i]+a%pow_table[i])
end
end