beta 2011.02.16 19:30

4 files changed, 302 insertions, 184 deletions

diff --git a/tex/context/base/char-cjk.lua b/tex/context/base/char-cjk.lua
new file mode 100644
index 000000000..bce1df615
--- /dev/null
+++ b/tex/context/base/char-cjk.lua
@@ -0,0 +1,299 @@
+if not modules then modules = { } end modules ['char-cjk'] = {
+    version   = 1.001,
+    comment   = "companion to char-ini.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local setmetatable = setmetatable
+local insert = table.insert
+local floor = math.floor
+local format = string.format
+local utfchar = utf.char
+
+local ranges = characters.ranges
+
+-- Hangul Syllable
+
+-- The following conversion is taken from unicode.org/reports/tr15/tr15-23.html#Hangul
+-- but adapted to our needs
+
+local SBase = 0xAC00
+
+local LBase, LCount = 0x1100, 19
+local VBase, VCount = 0x1161, 21
+local TBase, TCount = 0x11A7, 28
+
+local NCount = VCount * TCount
+local SCount = LCount * NCount
+
+local L_TABLE = { [0] =
+    "G", "GG", "N", "D", "DD", "R", "M", "B", "BB",
+    "S", "SS", "", "J", "JJ", "C", "K", "T", "P", "H"
+}
+
+local V_TABLE = { [0] =
+    "A", "AE", "YA", "YAE", "EO", "E", "YEO", "YE", "O",
+    "WA", "WAE", "OE", "YO", "U", "WEO", "WE", "WI",
+    "YU", "EU", "YI", "I"
+}
+
+local T_TABLE = { [0] =
+    "", "G", "GG", "GS", "N", "NJ", "NH", "D", "L", "LG", "LM",
+    "LB", "LS", "LT", "LP", "LH", "M", "B", "BS",
+    "S", "SS", "NG", "J", "C", "K", "T", "P", "H"
+}
+
+
+local remapped = { -- this will be merged into char-def.lua
+    [0x1100] = 0x3131, -- G
+    [0x1101] = 0x3132, -- GG
+    [0x1102] = 0x3134, -- N
+    [0x1103] = 0x3137, -- D
+    [0x1104] = 0x3138, -- DD
+    [0x1105] = 0x3139, -- R
+    [0X111A] = 0x3140, --
+    [0x1106] = 0x3141, -- M
+    [0x1107] = 0x3142, -- B
+    [0x1108] = 0x3143, -- BB
+    [0x1121] = 0x3144,
+    [0x1109] = 0x3145, -- S
+    [0x110A] = 0x3146, -- SS
+    [0x110B] = 0x3147, -- (IEUNG)
+    [0x110C] = 0x3148, -- J
+    [0x110D] = 0x3149, -- JJ
+    [0x110E] = 0x314A, -- C
+    [0x110F] = 0x314B, -- K
+    [0x1110] = 0x314C, -- T
+    [0x1111] = 0x314D, -- P
+    [0x1112] = 0x314E, -- H
+
+    [0x1161] = 0x314F, -- A
+    [0x1162] = 0x3150, -- AE
+    [0x1163] = 0x3151, -- YA
+    [0x1164] = 0x3152, -- YAE
+    [0x1165] = 0x3153, -- EO
+    [0x1166] = 0x3154, -- E
+    [0x1167] = 0x3155, -- YEO
+    [0x1168] = 0x3156, -- YE
+    [0x1169] = 0x3157, -- O
+    [0x116A] = 0x3158, -- WA
+    [0x116B] = 0x3159, -- WAE
+    [0x116C] = 0x315A, -- OE
+    [0x116D] = 0x315B, -- YO
+    [0x116E] = 0x315C, -- U
+    [0x116F] = 0x315D, -- WEO
+    [0x1170] = 0x315E, -- WE
+    [0x1171] = 0x315F, -- WI
+    [0x1172] = 0x3160, -- YU
+    [0x1173] = 0x3161, -- EU
+    [0x1174] = 0x3162, -- YI
+    [0x1175] = 0x3163, -- I
+
+    [0x11A7] = 0x3131, -- G
+    [0x11A8] = 0x3132, -- GG
+ -- [0x11A9] = 0x0000, -- GS
+    [0x11AA] = 0x3134, -- N
+ -- [0x11AB] = 0x0000, -- NJ
+ -- [0x11AC] = 0x0000, -- NH
+    [0x11AD] = 0x3137, -- D
+ -- [0x11AE] = 0x0000, -- L
+ -- [0x11AF] = 0x0000, -- LG
+ -- [0x11B0] = 0x0000, -- LM
+ -- [0x11B1] = 0x0000, -- LB
+ -- [0x11B2] = 0x0000, -- LS
+ -- [0x11B3] = 0x0000, -- LT
+ -- [0x11B4] = 0x0000, -- LP
+ -- [0x11B5] = 0x0000, -- LH
+    [0x11B6] = 0x3141, -- M
+    [0x11B7] = 0x3142, -- B
+ -- [0x11B8] = 0x0000, -- BS
+    [0x11B9] = 0x3145, -- S
+ -- [0x11BA] = 0x0000, -- SS
+ -- [0x11BB] = 0x0000, -- NG
+    [0x11BC] = 0x3148, -- J
+    [0x11BD] = 0x314A, -- C
+    [0x11BE] = 0x314B, -- K
+    [0x11BF] = 0x314C, -- T
+    [0x11C0] = 0x314D, -- P
+    [0x11C1] = 0x314E, -- H
+}
+
+local function decomposed(unicode)
+    local SIndex = unicode - SBase
+    if SIndex >= 0 and SIndex < SCount then
+        local L = LBase + floor(SIndex / NCount)
+        local V = VBase + floor((SIndex % NCount) / TCount)
+        local T = TBase + SIndex % TCount
+        if T ~= TBase then
+            return L, V, T
+        else
+            return L, V
+        end
+    end
+end
+
+local function description(unicode)
+    local SIndex = unicode - SBase
+    if SIndex >= 0 and SIndex < SCount then
+        local LIndex = floor(SIndex / NCount)
+        local VIndex = floor((SIndex % NCount) / TCount)
+        local TIndex = SIndex % TCount
+        return format("HANGUL SYLLABLE %s%s%s",L_TABLE[LIndex],V_TABLE[VIndex],T_TABLE[TIndex])
+    end
+end
+
+characters.hangul = {
+    decomposed  = decomposed,
+    description = description,
+    remapped    = remapped,
+}
+
+-- so far
+
+local hangul_syllable_basetable = {
+    category    = "lo",
+    cjkwd       = "w",
+    description = "<Hangul Syllable>",
+    direction   = "l",
+    linebreak   = "h2",
+}
+
+local hangul_syllable_metatable = {
+    __index = function(t,k)
+        local u = t.unicodeslot
+        if k == "fscode" then
+            local fscode = -- firstsplitcode
+               u  < 0xAC00 and nil    -- original
+            or u  > 0xD7AF and nil    -- original
+            or u >= 0xD558 and 0x314E -- 하 => ㅎ
+            or u >= 0xD30C and 0x314D -- 파 => ㅍ
+            or u >= 0xD0C0 and 0x314C -- 타 => ㅌ
+            or u >= 0xCE74 and 0x314B -- 카 => ㅋ
+            or u >= 0xCC28 and 0x314A -- 차 => ㅊ
+            or u >= 0xC790 and 0x3148 -- 자 => ㅈ
+            or u >= 0xC544 and 0x3147 -- 아 => ㅇ
+            or u >= 0xC0AC and 0x3145 -- 사 => ㅅ
+            or u >= 0xBC14 and 0x3142 -- 바 => ㅂ
+            or u >= 0xB9C8 and 0x3141 -- 마 => ㅁ
+            or u >= 0xB77C and 0x3139 -- 라 => ㄹ
+            or u >= 0xB2E4 and 0x3137 -- 다 => ㄷ
+            or u >= 0xB098 and 0x3134 -- 나 => ㄴ
+            or u >= 0xAC00 and 0x3131 -- 가 => ㄱ -- was 0xAC20
+            or                 nil    -- can't happen
+            t[k] = fscode
+            return fscode
+        elseif k == "specials" then
+            return { "char", decomposed(u) }
+        elseif k == "description" then
+            return description(u)
+        else
+            return hangul_syllable_basetable[k]-- no store
+        end
+    end
+}
+
+local hangul_syllable_extender = function(k,v)
+    local t = {
+        unicodeslot = k,
+    }
+    setmetatable(t,hangul_syllable_metatable)
+    return t
+end
+
+local hangul_syllable_range = {
+    first    = 0xAC00,
+    last     = 0xD7A3,
+    extender = hangul_syllable_extender,
+}
+
+setmetatable(hangul_syllable_range, hangul_syllable_metatable)
+
+-- CJK Ideograph
+
+local cjk_ideograph_metatable = {
+    __index = {
+        category    = "lo",
+        cjkwd       = "w",
+        description = "<CJK Ideograph>",
+        direction   = "l",
+        linebreak   = "id",
+    }
+}
+
+local cjk_ideograph_extender = function(k,v)
+    local t = {
+     -- shcode      = shcode,
+        unicodeslot = k,
+    }
+    setmetatable(t,cjk_ideograph_metatable)
+    return t
+end
+
+local cjk_ideograph_range = {
+    first    = 0x4E00,
+    last     = 0x9FBB,
+    extender = cjk_ideograph_extender,
+}
+
+-- CJK Ideograph Extension A
+
+local cjk_ideograph_extension_a_metatable = {
+    __index = {
+        category    = "lo",
+        cjkwd       = "w",
+        description = "<CJK Ideograph Extension A>",
+        direction   = "l",
+        linebreak   = "id",
+    }
+}
+
+local cjk_ideograph_extension_a_extender = function(k,v)
+    local t = {
+     -- shcode      = shcode,
+        unicodeslot = k,
+    }
+    setmetatable(t,cjk_ideograph_extension_a_metatable)
+    return t
+end
+
+local cjk_ideograph_extension_a_range = {
+    first    = 0x3400,
+    last     = 0x4DB5,
+    extender = cjk_ideograph_extension_a_extender,
+}
+
+-- CJK Ideograph Extension B
+
+local cjk_ideograph_extension_b_metatable = {
+    __index = {
+        category    = "lo",
+        cjkwd       = "w",
+        description = "<CJK Ideograph Extension B>",
+        direction   = "l",
+        linebreak   = "id",
+    }
+}
+
+local cjk_ideograph_extension_b_extender = function(k,v)
+    local t = {
+     -- shcode      = shcode,
+        unicodeslot = k,
+    }
+    setmetatable(t,cjk_ideograph_extension_b_metatable)
+    return t
+end
+
+local cjk_ideograph_extension_b_range = {
+    first    = 0x20000,
+    last     = 0x2A6D6,
+    extender = cjk_ideograph_extension_b_extender,
+}
+
+-- Ranges
+
+insert(ranges, hangul_syllable_range)
+insert(ranges, cjk_ideograph_range)
+insert(ranges, cjk_ideograph_extension_a_range)
+insert(ranges, cjk_ideograph_extension_b_range)
diff --git a/tex/context/base/char-ini.lua b/tex/context/base/char-ini.lua
index 0f26d8f5b..6b6900ecd 100644
--- a/tex/context/base/char-ini.lua
+++ b/tex/context/base/char-ini.lua
@@ -92,190 +92,8 @@ local private = {
     description = "PRIVATE SLOT",
 }
 
--- Hangul Syllable
-
---~ local hangul_syllable_metatable = {
---~     __index = {
---~         category    = "lo",
---~         cjkwd       = "w",
---~         description = "<Hangul Syllable>",
---~         direction   = "l",
---~         linebreak   = "h2",
---~     }
---~ }
-
---~ local hangul_syllable_extender = function(k,v)
---~     local fscode = -- firstsplitcode
---~        k  < 0xAC00 and k      -- original
---~     or k  > 0xD7AF and k      -- original
---~     or k >= 0xD558 and 0x314E -- 하 => ㅎ
---~     or k >= 0xD30C and 0x314D -- 파 => ㅍ
---~     or k >= 0xD0C0 and 0x314C -- 타 => ㅌ
---~     or k >= 0xCE74 and 0x314B -- 카 => ㅋ
---~     or k >= 0xCC28 and 0x314A -- 차 => ㅊ
---~     or k >= 0xC790 and 0x3148 -- 자 => ㅈ
---~     or k >= 0xC544 and 0x3147 -- 아 => ㅇ
---~     or k >= 0xC0AC and 0x3145 -- 사 => ㅅ
---~     or k >= 0xBC14 and 0x3142 -- 바 => ㅂ
---~     or k >= 0xB9C8 and 0x3141 -- 마 => ㅁ
---~     or k >= 0xB77C and 0x3139 -- 라 => ㄹ
---~     or k >= 0xB2E4 and 0x3137 -- 다 => ㄷ
---~     or k >= 0xB098 and 0x3134 -- 나 => ㄴ
---~     or k >= 0xAC00 and 0x3131 -- 가 => ㄱ -- was 0xAC20
---~     or k                      -- can't happen
---~     local t = {
---~         fscode      = fscode,
---~         unicodeslot = k,
---~     }
---~     setmetatable(t,hangul_syllable_metatable)
---~     return t
---~ end
-
-local hangul_syllable_basetable = {
-    category    = "lo",
-    cjkwd       = "w",
-    description = "<Hangul Syllable>",
-    direction   = "l",
-    linebreak   = "h2",
-}
-
-local hangul_syllable_metatable = {
-    __index = function(t,k)
-        if k == "fscode" then
-            local u = t.unicodeslot
-            local fscode = -- firstsplitcode
-               u  < 0xAC00 and nil    -- original
-            or u  > 0xD7AF and nil    -- original
-            or u >= 0xD558 and 0x314E -- 하 => ㅎ
-            or u >= 0xD30C and 0x314D -- 파 => ㅍ
-            or u >= 0xD0C0 and 0x314C -- 타 => ㅌ
-            or u >= 0xCE74 and 0x314B -- 카 => ㅋ
-            or u >= 0xCC28 and 0x314A -- 차 => ㅊ
-            or u >= 0xC790 and 0x3148 -- 자 => ㅈ
-            or u >= 0xC544 and 0x3147 -- 아 => ㅇ
-            or u >= 0xC0AC and 0x3145 -- 사 => ㅅ
-            or u >= 0xBC14 and 0x3142 -- 바 => ㅂ
-            or u >= 0xB9C8 and 0x3141 -- 마 => ㅁ
-            or u >= 0xB77C and 0x3139 -- 라 => ㄹ
-            or u >= 0xB2E4 and 0x3137 -- 다 => ㄷ
-            or u >= 0xB098 and 0x3134 -- 나 => ㄴ
-            or u >= 0xAC00 and 0x3131 -- 가 => ㄱ -- was 0xAC20
-            or                 nil    -- can't happen
-            t[k] = fscode
-            return fscode
-        else
-            return hangul_syllable_basetable[k]-- no store
-        end
-    end
-}
-
-local hangul_syllable_extender = function(k,v)
-    local t = {
-        unicodeslot = k,
-    }
-    setmetatable(t,hangul_syllable_metatable)
-    return t
-end
-
-local hangul_syllable_range = {
-    first    = 0xAC00,
-    last     = 0xD7A3,
-    extender = hangul_syllable_extender,
-}
-
-setmetatable(hangul_syllable_range, hangul_syllable_metatable)
-
--- CJK Ideograph
-
-local cjk_ideograph_metatable = {
-    __index = {
-        category    = "lo",
-        cjkwd       = "w",
-        description = "<CJK Ideograph>",
-        direction   = "l",
-        linebreak   = "id",
-    }
-}
-
-local cjk_ideograph_extender = function(k,v)
-    local t = {
-     -- shcode      = shcode,
-        unicodeslot = k,
-    }
-    setmetatable(t,cjk_ideograph_metatable)
-    return t
-end
-
-local cjk_ideograph_range = {
-    first    = 0x4E00,
-    last     = 0x9FBB,
-    extender = cjk_ideograph_extender,
-}
-
--- CJK Ideograph Extension A
-
-local cjk_ideograph_extension_a_metatable = {
-    __index = {
-        category    = "lo",
-        cjkwd       = "w",
-        description = "<CJK Ideograph Extension A>",
-        direction   = "l",
-        linebreak   = "id",
-    }
-}
-
-local cjk_ideograph_extension_a_extender = function(k,v)
-    local t = {
-     -- shcode      = shcode,
-        unicodeslot = k,
-    }
-    setmetatable(t,cjk_ideograph_extension_a_metatable)
-    return t
-end
-
-local cjk_ideograph_extension_a_range = {
-    first    = 0x3400,
-    last     = 0x4DB5,
-    extender = cjk_ideograph_extension_a_extender,
-}
-
--- CJK Ideograph Extension B
-
-local cjk_ideograph_extension_b_metatable = {
-    __index = {
-        category    = "lo",
-        cjkwd       = "w",
-        description = "<CJK Ideograph Extension B>",
-        direction   = "l",
-        linebreak   = "id",
-    }
-}
-
-local cjk_ideograph_extension_b_extender = function(k,v)
-    local t = {
-     -- shcode      = shcode,
-        unicodeslot = k,
-    }
-    setmetatable(t,cjk_ideograph_extension_b_metatable)
-    return t
-end
-
-local cjk_ideograph_extension_b_range = {
-    first    = 0x20000,
-    last     = 0x2A6D6,
-    extender = cjk_ideograph_extension_b_extender,
-}
-
--- Ranges
-
-local ranges = {
-    hangul_syllable_range,
-    cjk_ideograph_range,
-    cjk_ideograph_extension_a_range,
-    cjk_ideograph_extension_b_range,
-}
-
---
+local ranges      = allocate()
+characters.ranges = ranges
 
 setmetatablekey(data, "__index", function(t,k)
     if type(k) == "string" then
diff --git a/tex/context/base/char-ini.mkiv b/tex/context/base/char-ini.mkiv
index cf27fdc14..2cb225988 100644
--- a/tex/context/base/char-ini.mkiv
+++ b/tex/context/base/char-ini.mkiv
@@ -15,6 +15,7 @@
 
 \registerctxluafile{char-def}{1.001} % let's load this one first
 \registerctxluafile{char-ini}{1.001}
+\registerctxluafile{char-cjk}{1.001}
 \registerctxluafile{char-map}{1.001} % maybe we will load this someplace else
 \registerctxluafile{char-tex}{1.001}
 
diff --git a/tex/context/base/status-files.pdf b/tex/context/base/status-files.pdf
index 9f2f8c774..c70c006c4 100644
--- a/tex/context/base/status-files.pdf
+++ b/tex/context/base/status-files.pdf