X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-compat.lua;h=6f66b99891ac9ea081ffb0769d6c68ead65ce77c;hb=5732f2cafd59081b3ebdad197be711d11f2fc009;hp=d72cce3313c36754b76d3dfe481ec62ef1b40650;hpb=3baeb74ffa19dbdc7d01bf9703e6ec3c323a3434;p=luatex-ja%2Fluatexja.git

diff --git a/src/ltj-compat.lua b/src/ltj-compat.lua
index d72cce3..6f66b99 100644
--- a/src/ltj-compat.lua
+++ b/src/ltj-compat.lua
@@ -1,20 +1,12 @@
 --
--- luatexja/compat.lua
+-- luatexja/ltj-compat.lua
 --
-luatexbase.provides_module({
-  name = 'luatexja.compat',
-  date = '2011/06/03',
-  version = '0.1',
-  description = 'Partial implementation of primitives of pTeX',
-})
-module('luatexja.compat', package.seeall)
-local err, warn, info, log = luatexbase.errwarinf(_NAME)
 
-luatexja.load_module('base');      local ltjb = luatexja.base
-luatexja.load_module('stack');     local ltjs = luatexja.stack
+luatexja.load_module('base');   local ltjb = luatexja.base
+luatexja.load_module('stack');  local ltjs = luatexja.stack
 
 -- \kuten, \jis, \euc, \sjis, \ucs, \kansuji
-function to_kansuji(num)
+local function to_kansuji(num)
    if not num then num=0; return
    elseif num<0 then 
       num = -num; tex.write('-')
@@ -22,7 +14,7 @@ function to_kansuji(num)
    local s = ""
    while num~=0 do
       s = utf.char(
-	 ltjs.get_penalty_table('ksj', num%10,
+	 ltjs.get_penalty_table(luatexja.stack_table_index.KSJ + num%10,
 				'', tex.getcount('ltj@@stack'))) .. s
       num=math.floor(num/10)
    end
@@ -30,19 +22,34 @@ function to_kansuji(num)
 end
 
 -- \ucs: 単なる identity
-function from_ucs(i)
+local function from_ucs(i)
+   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 
+   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
-function from_kuten(i)
-   if not i then i=0 end
+local function from_kuten(i)
+   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 
+   end
    tex.write(tostring(luatexja.jisx0208.table_jisx0208_uptex[i] or 0))
 end
 
 -- \euc: EUC-JP による符号位置 => Unicode 符号位置
-function from_euc(i)
-   if not i then i=0
+local function from_euc(i)
+   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 
       i=0
    end
@@ -50,16 +57,22 @@ function from_euc(i)
 end
 
 -- \jis: ISO-2022-JP による符号位置 => Unicode 符号位置
-function from_jis(i)
-   if (not i) or i>=0x10000 or i<0 then 
+local function from_jis(i)
+   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.")
       i=0
    end
    from_kuten(i-0x2020)
 end
 
 -- \sjis: Shift_JIS による符号位置 => Unicode 符号位置
-function from_sjis(i)
-   if (not i) or i>=0x10000 or i<0 then 
+local function from_sjis(i)
+   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 
    end
    local c2 = math.floor(i/256)
@@ -90,3 +103,13 @@ function from_sjis(i)
      from_kuten(c2*256+c1)
   end
 end
+
+local t = {
+   from_euc   = from_euc,
+   from_kuten = from_kuten,
+   from_jis   = from_jis,
+   from_sjis  = from_sjis,
+   from_ucs   = from_ucs,
+   to_kansuji = to_kansuji,
+}
+luatexja.compat = t