patches/lltjp-xunicode.sty: stopped to hardcode `EU2'

[luatex-ja/luatexja.git] / src / ltj-compat.lua

diff --git a/src/ltj-compat.lua b/src/ltj-compat.lua
index 6fe8e4f..bc8ac9d 100644 (file)
--- a/src/ltj-compat.lua
+++ b/src/ltj-compat.lua
@@ -4,6 +4,7 @@
 
 luatexja.load_module('base');   local ltjb = luatexja.base
 luatexja.load_module('stack');  local ltjs = luatexja.stack
+local stack_table_index = luatexja.stack_table_index
 
 -- load jisx0208 table
 local cache_ver = 2
@@ -19,13 +20,13 @@ end
 -- \kuten, \jis, \euc, \sjis, \ucs, \kansuji
 local function to_kansuji(num)
    if not num then num=0; return
-   elseif num<0 then 
+   elseif num<0 then
       num = -num; tex.write('-')
    end
    local s = ""
    while num~=0 do
       s = utf.char(
-        ltjs.get_penalty_table(luatexja.stack_table_index.KSJ + num%10,
+        ltjs.get_stack_table(luatexja.stack_table_index.KSJ + num%10,
                                '', tex.getcount('ltj@@stack'))) .. s
       num=math.floor(num/10)
    end
@@ -34,34 +35,34 @@ end
 
 -- \ucs: 単なる identity
 local function from_ucs(i)
-   if type(i)~='number' then 
+   if type(i)~='number' then
       ltjb.package_error('luatexja',
                         "invalid character code (".. tostring(i) .. ")",
                         "I'm going to use 0 instead of that illegal character code.")
-      i=0 
+      i=0
    end
    tex.write(i)
 end
 
 -- \kuten: 面区点 （それぞれで16進2桁を使用）=> Unicode 符号位置
 local function from_kuten(i)
-   if type(i)~='number' then 
+   if type(i)~='number' then
       ltjb.package_error('luatexja',
                         "invalid character code (".. tostring(i) .. ")",
                         "I'm going to use 0 instead of that illegal character code.")
-      i=0 
+      i=0
    end
    tex.write(tostring(jisx0208.table_jisx0208_uptex[i] or 0))
 end
 
 -- \euc: EUC-JP による符号位置 => Unicode 符号位置
 local function from_euc(i)
-   if type(i)~='number' then 
+   if type(i)~='number' then
       ltjb.package_error('luatexja',
                         "invalid character code (".. tostring(i) .. ")",
                         "I'm going to use 0 instead of that illegal character code.")
       i=0
-   elseif i>=0x10000 or i<0xa0a0 then 
+   elseif i>=0x10000 or i<0xa0a0 then
       i=0
    end
    from_kuten(i-0xa0a0)
@@ -69,7 +70,7 @@ end
 
 -- \jis: ISO-2022-JP による符号位置 => Unicode 符号位置
 local function from_jis(i)
-   if (type(i)~='number') or i>=0x10000 or i<0 then 
+   if (type(i)~='number') or i>=0x10000 or i<0 then
       ltjb.package_error('luatexja',
                         "invalid character code (".. tostring(i) .. ")",
                         "I'm going to use 0 instead of that illegal character code.")
@@ -80,19 +81,19 @@ end
 
 -- \sjis: Shift_JIS による符号位置 => Unicode 符号位置
 local function from_sjis(i)
-   if (type(i)~='number') or i>=0x10000 or i<0 then 
+   if (type(i)~='number') or i>=0x10000 or i<0 then
       ltjb.package_error('luatexja',
                         "invalid character code (".. tostring(i) .. ")",
                         "I'm going to use 0 instead of that illegal character code.")
-      tex.write('0'); return 
+      tex.write('0'); return
    end
    local c2 = math.floor(i/256)
    local c1 = i%256
    local shift_jisx0213_s1a3_table = {
-      { [false]= 1, [true]= 8}, 
-      { [false]= 3, [true]= 4}, 
-      { [false]= 5, [true]=12}, 
-      { [false]=13, [true]=14}, 
+      { [false]= 1, [true]= 8},
+      { [false]= 3, [true]= 4},
+      { [false]= 5, [true]=12},
+      { [false]=13, [true]=14},
       { [false]=15 } }
    if c2 >= 0x81 then
       if c2 >= 0xF0 then -- this if block won't be true
@@ -115,6 +116,18 @@ local function from_sjis(i)
   end
 end
 
+luatexja.binary_pars.kansujichar = function(c, t)
+   if type(c)~='number' or c<0 or c>9 then
+      ltjb.package_error('luatexja',
+                        'Invalid KANSUJI number (' .. tostring(c) .. ')',
+                        'A KANSUJI number should be in the range 0..9.\n'..
+                           'So I changed this one to zero.')
+      c=0
+   end
+   return ltjs.get_stack_table(stack_table_index.KSJ + c, 0, t)
+end
+
+
 local t = {
    from_euc   = from_euc,
    from_kuten = from_kuten,