X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fluatexja.lua;h=d935235e5cb83475f90bfc8360182067bc30f917;hb=a693b63eadfcabe5f4f513a4cc90302f2360b18b;hp=7b608d50df4e6f7ac265e931612cbba5d4085cd3;hpb=3e504e019a4383595fef1f479625c6c3e5c46928;p=luatex-ja%2Fluatexja.git

diff --git a/src/luatexja.lua b/src/luatexja.lua
index 7b608d5..d935235 100644
--- a/src/luatexja.lua
+++ b/src/luatexja.lua
@@ -1,6 +1,4 @@
 
-local floor = math.floor
-
 require('lualibs')
 
 ------------------------------------------------------------------------
@@ -8,32 +6,97 @@ require('lualibs')
 --    ext_... : called from \directlua{}
 --    int_... : called from other Lua codes, but not from \directlua{}
 --    (other)     : only called from this file
-function luatexja.error(s,t)
-   tex.error('LuaTeX-ja error: ' .. s ,t) 
-end
 function luatexja.load_module(name)
-   if not package.loaded['luatexja.' .. name] then
-      local fn = 'ltj-' .. name .. '.lua'
-      local found = kpse.find_file(fn, 'tex')
-      if not found then
-	 luatexja.error("File `" .. fn .. "' not found", 
-			{'This file ' .. fn .. ' is required for LuaTeX-ja.', 'Please check your installation.'})
-      else 
-	 texio.write('(' .. found .. ')\n')
-	 dofile(found)
-      end
-   end
+   require('ltj-' .. name.. '.lua')
 end
 function luatexja.load_lua(fn)
    local found = kpse.find_file(fn, 'tex')
    if not found then
-      error("File `" .. fn .. "' not found")
+      tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
    else 
-      texio.write('(' .. found .. ')\n')
+      texio.write_nl('(' .. found .. ')')
       dofile(found)
    end
 end
 
+--- 以下は全ファイルで共有される定数
+local icflag_table = {}
+luatexja.icflag_table = icflag_table
+icflag_table.ITALIC          = 1
+icflag_table.PACKED          = 2
+icflag_table.KINSOKU         = 3
+icflag_table.FROM_JFM        = 6
+-- FROM_JFM: 4, 5, 6, 7, 8 →優先度高（伸びやすく，縮みやすい）
+-- 6 が標準
+icflag_table.KANJI_SKIP      = 9
+icflag_table.KANJI_SKIP_JFM  = 10
+icflag_table.XKANJI_SKIP     = 11
+icflag_table.XKANJI_SKIP_JFM = 12
+icflag_table.PROCESSED       = 13
+icflag_table.IC_PROCESSED    = 14
+icflag_table.BOXBDD          = 15
+icflag_table.PROCESSED_BEGIN_FLAG = 128
+
+local stack_table_index = {}
+luatexja.stack_table_index = stack_table_index
+stack_table_index.PRE  = 0x200000 -- characterごと
+stack_table_index.POST = 0x400000 -- characterごと
+stack_table_index.KCAT = 0x600000 -- characterごと
+stack_table_index.XSP  = 0x800000 -- characterごと
+stack_table_index.JWP  = 0 -- これだけ
+stack_table_index.KSK  = 1 -- これだけ
+stack_table_index.XSK  = 2 -- これだけ
+stack_table_index.MJT  = 0x100 -- 0--255
+stack_table_index.MJS  = 0x200 -- 0--255
+stack_table_index.MJSS = 0x300 -- 0--255
+stack_table_index.KSJ  = 0x400 -- 0--9
+
+local userid_table = {}
+luatexja.userid_table = userid_table
+userid_table.IHB  = luatexbase.newuserwhatsitid('inhibitglue',  'luatexja') -- \inhibitglue
+userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
+userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par',    'luatexja') -- 「段落始め」
+
+do
+   local node_remove, node_next, node_prev = node.remove, node.next, node.prev
+   function luatexja.node_remove (head, current)
+      if head==current then
+	 local q, r = node_next(current), node_prev(current)
+	 current.next = nil
+	 if q then q.prev = r end
+	 if r and node_next(r)==current then
+	    -- r is "real prev"
+	    r.next = q
+	 end
+	 return q, node_next(q)
+      else
+	 return node_remove(head, current)
+      end
+   end
+
+   local Dnode = node.direct or node
+   local Dnode_remove, Dnode_next, Dnode_prev = Dnode.remove, Dnode.getnext, Dnode.getprev
+   local getfield = (Dnode ~= node) and Dnode.getfield or function(n, i) return n[i] end
+   local setfield = (Dnode ~= node) and Dnode.setfield or function(n, i, c) n[i] = c end
+   function luatexja.Dnode_remove (head, current)
+      if head==current then
+	 local q, r = Dnode_next(current), Dnode_prev(current)
+	 setfield(current, 'next', nil)
+	 if q then setfield(q, 'prev', r) end
+	 if r and Dnode_next(r) == current then
+	    -- r is "real prev"
+	    setfield(r, 'next', q)
+	 end
+	 return q, Dnode_next(q)
+      else
+	 return Dnode_remove(head, current)
+      end
+   end
+
+end
+
+--- 定義終わり
+
 local load_module = luatexja.load_module
 load_module('base');      local ltjb = luatexja.base
 load_module('rmlgbm');    local ltjr = luatexja.rmlgbm -- must be 1st
@@ -47,28 +110,6 @@ load_module('setwidth');  local ltjw = luatexja.setwidth
 load_module('math');      local ltjm = luatexja.math
 load_module('tangle');    local ltjb = luatexja.base
 
-
-local node_type = node.type
-local node_new = node.new
-local node_prev = node.prev
-local node_next = node.next
-local has_attr = node.has_attribute
-local node_insert_before = node.insert_before
-local node_insert_after = node.insert_after
-local node_hpack = node.hpack
-
-local id_penalty = node.id('penalty')
-local id_glyph = node.id('glyph')
-local id_glue_spec = node.id('glue_spec')
-local id_glue = node.id('glue')
-local id_kern = node.id('kern')
-local id_hlist = node.id('hlist')
-local id_vlist = node.id('vlist')
-local id_rule = node.id('rule')
-local id_math = node.id('math')
-local id_whatsit = node.id('whatsit')
-local sid_user = node.subtype('user_defined')
-
 local attr_jchar_class = luatexbase.attributes['ltj@charclass']
 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
 local attr_yablshift = luatexbase.attributes['ltj@yablshift']
@@ -76,20 +117,15 @@ local attr_icflag = luatexbase.attributes['ltj@icflag']
 local attr_uniqid = luatexbase.attributes['ltj@uniqid']
 local cat_lp = luatexbase.catcodetables['latex-package']
 
-local ITALIC = 1
-local PACKED = 2
-local KINSOKU = 3
-local FROM_JFM = 4
-local LINE_END = 5
-local KANJI_SKIP = 6
-local XKANJI_SKIP = 7
-local PROCESSED = 8
-local IC_PROCESSED = 9
-local BOXBDD = 15
+
+---- table: charprop_stack_table [stack_level].{pre|post|xsp}[chr_code]
 
 
 -- Three aux. functions, bollowed from tex.web
+
 local unity=65536
+local floor = math.floor
+
 local function print_scaled(s)
    local out=''
    local delta=10
@@ -131,127 +167,192 @@ local function print_spec(p)
 return out
 end
 
-function math.two_add(a,b) return a+b end
-function math.two_average(a,b) return (a+b)/2 end
-
----- table: charprop_stack_table [stack_level].{pre|post|xsp}[chr_code]
 
 ------------------------------------------------------------------------
 -- CODE FOR GETTING/SETTING PARAMETERS 
 ------------------------------------------------------------------------
 
 -- EXT: print parameters that don't need arguments
-function luatexja.ext_get_parameter_unary(k)
-   if k == 'yalbaselineshift' then
-      tex.write(print_scaled(tex.getattribute('ltj@yablshift'))..'pt')
-   elseif k == 'yjabaselineshift' then
-      tex.write(print_scaled(tex.getattribute('ltj@ykblshift'))..'pt')
-   elseif k == 'kanjiskip' then
-      tex.write(print_spec(ltjs.get_skip_table('kanjiskip', tex.getcount('ltj@@stack'))))
-   elseif k == 'xkanjiskip' then
-      tex.write(print_spec(ltjs.get_skip_table('xkanjiskip', tex.getcount('ltj@@stack'))))
-   elseif k == 'jcharwidowpenalty' then
-      tex.write(ltjs.get_penalty_table('jwp', 0, 0, tex.getcount('ltj@@stack')))
-   elseif k == 'autospacing' then
-      tex.write(tex.getattribute('ltj@autospc'))
-   elseif k == 'autoxspacing' then
-      tex.write(tex.getattribute('ltj@autoxspc'))
-   elseif k == 'differentjfm' then
-      if luatexja.jfmglue.diffmet_rule == math.max then
-	 tex.write('large')
-      elseif luatexja.jfmglue.diffmet_rule == math.min then
-	 tex.write('small')
-      elseif luatexja.jfmglue.diffmet_rule == math.two_average then
-	 tex.write('average')
-      elseif luatexja.jfmglue.diffmet_rule == math.two_add then
-	 tex.write('both')
-      else -- This can't happen.
-	 tex.write('???')
+do
+   luatexja.unary_pars = {
+      yalbaselineshift = function(t) 
+	 return print_scaled(tex.getattribute('ltj@yablshift'))..'pt'
+      end,
+      yjabaselineshift = function(t) 
+	 return print_scaled(tex.getattribute('ltj@ykblshift'))..'pt'
+      end,
+      kanjiskip = function(t) 
+	 return print_spec(ltjs.get_stack_skip(stack_table_index.KSK, t))
+      end,
+      xkanjiskip = function(t) 
+	 return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t))
+      end,
+      jcharwidowpenalty = function(t)
+	 return ltjs.get_stack_table(stack_table_index.JWP, 0, t)
+      end,
+      autospacing = function(t)
+	 return tex.getattribute('ltj@autospc')
+      end,
+      autoxspacing = function(t)
+	 return tex.getattribute('ltj@autoxspc')
+      end,
+      differentjfm = function(t)
+	 local f, r = luatexja.jfmglue.diffmet_rule, '???'
+	 if f == math.max then r = 'large'
+	 elseif f == math.min then r = 'small'
+	 elseif f == math.two_average then r = 'average'
+	 elseif f == math.two_paverage then r = 'paverage'
+	 elseif f == math.two_pleft then r = 'pleft'
+	 elseif f == math.two_pright then r = 'pright'
+	 elseif f == math.two_add then r = 'both'
+	 end
+	 return r
+      end
+   }
+
+   local unary_pars = luatexja.unary_pars
+   function luatexja.ext_get_parameter_unary(k)
+      if unary_pars[k] then
+	 tex.write(tostring(unary_pars[k](tex.getcount('ltj@@stack'))))
       end
    end
 end
 
 
 -- EXT: print parameters that need arguments
-function luatexja.ext_get_parameter_binary(k,c)
-   if type(c)~='number' then
-      ltjb.package_error('luatexja',
-			 'invalid the second argument (' .. tostring(c) .. ')',
-			 'I changed this one to zero.')
-      c=0
-   end
-   if k == 'jacharrange' then
-      if c<0 or c>216 then 
-	 ltjb.package_error('luatexja',
-			    'invalid character range number (' .. c .. ')',
-			    'A character range number should be in the range 0..216,\n'..
-			     'So I changed this one to zero.')
-	 c=0
-      end
-      tex.write(ltjc.get_range_setting(c))
-   else
-      if c<0 or c>0x10FFFF then
-	 ltjb.package_error('luatexja',
-			    'bad character code (' .. c .. ')',
-			    'A character number must be between -1 and 0x10ffff.\n'..
-			       "(-1 is used for denoting `math boundary')\n"..
-			       'So I changed this one to zero.')
-	 c=0
-      end
-      if k == 'prebreakpenalty' then
-	 tex.write(ltjs.get_penalty_table('pre', c, 0, tex.getcount('ltj@@stack')))
-      elseif k == 'postbreakpenalty' then
-	 tex.write(ltjs.get_penalty_table('post', c, 0, tex.getcount('ltj@@stack')))
-      elseif k == 'kcatcode' then
-	 tex.write(ltjs.get_penalty_table('kcat', c, 0, tex.getcount('ltj@@stack')))
-      elseif k == 'chartorange' then 
-	 tex.write(ltjc.char_to_range(c))
-      elseif k == 'jaxspmode' or k == 'alxspmode' then
-	 tex.write(ltjs.get_penalty_table('xsp', c, 3, tex.getcount('ltj@@stack')))
+do
+   luatexja.binary_pars = {
+      jacharrange = function(c, t)
+	 if type(c)~='number' or c<0 or c>31*ltjc.ATTR_RANGE then
+	    -- 0 はエラーにしない（隠し）
+	    ltjb.package_error('luatexja',
+			       'invalid character range number (' .. tostring(c) .. ')',
+			       'A character range number should be in the range 1..'
+				  .. 31*ltjc.ATTR_RANGE .. ",\n"..
+				  'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
+	    c=0 -- external range 217 == internal range 0
+	 elseif c==31*ltjc.ATTR_RANGE then c=0
+	 end
+      -- 負の値は <U+0080 の文字の文字範囲，として出てくる．この時はいつも欧文文字なので 1 を返す
+	 return (c<0) and 1 or ltjc.get_range_setting(c)
+      end,
+      prebreakpenalty = function(c, t)
+	 return ltjs.get_stack_table(stack_table_index.PRE 
+					  + ltjb.in_unicode(c, true), 0, t)
+      end,
+      postbreakpenalty = function(c, t)
+	 return ltjs.get_stack_table(stack_table_index.POST 
+					  + ltjb.in_unicode(c, true), 0, t)
+      end,
+      kcatcode = function(c, t)
+	 return ltjs.get_stack_table(stack_table_index.KCAT 
+					  + ltjb.in_unicode(c, false), 0, t)
+      end,
+      chartorange = function(c, t)
+	 return ltjc.char_to_range(ltjb.in_unicode(c, false))
+      end,
+      jaxspmode = function(c, t)
+	 return ltjs.get_stack_table(stack_table_index.XSP
+					  + ltjb.in_unicode(c, true), 3, t)
+      end,
+   }
+   local binary_pars = luatexja.binary_pars 
+
+   binary_pars.alxspmode = binary_pars.jaxspmode
+   function luatexja.ext_get_parameter_binary(k,c)
+      if binary_pars[k] then
+	 tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@stack'))))
       end
    end
 end
 
 -- EXT: print \global if necessary
 function luatexja.ext_print_global()
-  if isglobal=='global' then tex.sprint(cat_lp, '\\global') end
+   if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
 end
 
 -- main process
--- mode = true iff main_process is called from pre_linebreak_filter
-local function main_process(head, mode, dir)
-   local p = head
-   p = ltjj.main(p,mode)
-   if p then p = ltjw.set_ja_width(p, dir) end
-   return p
+do
+   local Dnode = node.direct or node
+   local nullfunc = function (n) return n end
+   local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc
+   local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc
+   -- mode = true iff main_process is called from pre_linebreak_filter
+   local function main_process(head, mode, dir)
+      local p = to_direct(head)
+      p = ltjj.main(p,mode)
+      if p then p = ltjw.set_ja_width(p, dir) end
+      return to_node(p)
+   end
+   
+   -- callbacks
+   
+   luatexbase.add_to_callback(
+      'pre_linebreak_filter', 
+      function (head,groupcode)
+	 return main_process(head, true, tex.textdir)
+      end,'ltj.pre_linebreak_filter',
+      luatexbase.priority_in_callback('pre_linebreak_filter',
+				      'luaotfload.node_processor') + 1)
+   luatexbase.add_to_callback(
+      'hpack_filter', 
+      function (head,groupcode,size,packtype, dir)
+	 return main_process(head, false, dir)
+      end,'ltj.hpack_filter',
+      luatexbase.priority_in_callback('hpack_filter',
+				      'luaotfload.node_processor') + 1)
 end
 
--- callbacks
-
-luatexbase.add_to_callback('pre_linebreak_filter', 
-   function (head,groupcode)
-      return main_process(head, true, tex.textdir)
-   end,'ltj.pre_linebreak_filter',
-   luatexbase.priority_in_callback('pre_linebreak_filter',
-				   'luaotfload.pre_linebreak_filter') + 1)
-luatexbase.add_to_callback('hpack_filter', 
-  function (head,groupcode,size,packtype, dir)
-     return main_process(head, false, dir)
-  end,'ltj.hpack_filter',
-   luatexbase.priority_in_callback('hpack_filter',
-				   'luaotfload.hpack_filter') + 1)
+-- define_font
+do
+   local otfl_fdr = fonts.definers.read
+   local ltjr_font_callback = ltjr.font_callback
+   function luatexja.font_callback(name, size, id)
+      return ltjf.font_callback(
+	 name, size, id, 
+	 function (name, size, id) return ltjr_font_callback(name, size, id, otfl_fdr) end
+      )
+   end
+   luatexbase.add_to_callback('define_font',luatexja.font_callback,"luatexja.font_callback", 1)
+end
+
+
+
 
 -- debug
+
+do
+
+local node_type = node.type
+local node_next = node.next
+local has_attr = node.has_attribute
+
+local id_penalty = node.id('penalty')
+local id_glyph = node.id('glyph')
+local id_glue_spec = node.id('glue_spec')
+local id_glue = node.id('glue')
+local id_kern = node.id('kern')
+local id_hlist = node.id('hlist')
+local id_vlist = node.id('vlist')
+local id_rule = node.id('rule')
+local id_math = node.id('math')
+local id_whatsit = node.id('whatsit')
+local sid_user = node.subtype('user_defined')
+
+local function get_attr_icflag(p)
+   return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
+end
+
 local debug_depth
 
 local function debug_show_node_X(p,print_fn)
    local k = debug_depth
    local s
    local pt=node_type(p.id)
-   local base = debug_depth .. string.format('%X', has_attr(p,attr_icflag) or 0)
-       .. ' ' .. tostring(p)
+   local base = debug_depth .. string.format('%X', get_attr_icflag(p))
+   .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
    if pt == 'glyph' then
-      s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
+      s = base .. ' ' .. utf.char(p.char) .. ' '  .. tostring(p.font)
          .. ' (' .. print_scaled(p.height) .. '+' 
          .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
       print_fn(s)
@@ -272,7 +373,7 @@ local function debug_show_node_X(p,print_fn)
             for i = 2,  p.glue_order do s = s .. 'l' end
          end
       end
-      if has_attr(p, attr_icflag, PACKED) then
+      if get_attr_icflag(p) == icflag_table.PACKED then
          s = s .. ' (packed)'
       end
       print_fn(s)
@@ -284,31 +385,35 @@ local function debug_show_node_X(p,print_fn)
       debug_depth=k
    elseif pt == 'glue' then
       s = base .. ' ' ..  print_spec(p.spec)
-      if has_attr(p, attr_icflag)==FROM_JFM then
-         s = s .. ' (from JFM)'
-      elseif has_attr(p, attr_icflag)==KANJI_SKIP then
+      if get_attr_icflag(p)>icflag_table.KINSOKU 
+         and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
+         s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
+      elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP then
 	 s = s .. ' (kanjiskip)'
-      elseif has_attr(p, attr_icflag)==XKANJI_SKIP then
+      elseif get_attr_icflag(p)==icflag_table.KANJI_SKIP_JFM then
+	 s = s .. ' (kanjiskip, JFM specified)'
+      elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP then
 	 s = s .. ' (xkanjiskip)'
+      elseif get_attr_icflag(p)==icflag_table.XKANJI_SKIP_JFM then
+	 s = s .. ' (xkanjiskip, JFM specified)'
       end
       print_fn(s)
    elseif pt == 'kern' then
       s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
       if p.subtype==2 then
 	 s = s .. ' (for accent)'
-      elseif has_attr(p, attr_icflag)==IC_PROCESSED then
+      elseif get_attr_icflag(p)==icflag_table.IC_PROCESSED then
 	 s = s .. ' (italic correction)'
-         -- elseif has_attr(p, attr_icflag)==ITALIC then
+         -- elseif get_attr_icflag(p)==ITALIC then
          --    s = s .. ' (italic correction)'
-      elseif has_attr(p, attr_icflag)==FROM_JFM then
-	 s = s .. ' (from JFM)'
-      elseif has_attr(p, attr_icflag)==LINE_END then
-	 s = s .. " (from 'lineend' in JFM)"
+      elseif get_attr_icflag(p)>icflag_table.KINSOKU 
+         and get_attr_icflag(p)<icflag_table.KANJI_SKIP then
+	 s = s .. ' (from JFM: priority ' .. get_attr_icflag(p)-icflag_table.FROM_JFM .. ')'
       end
       print_fn(s)
    elseif pt == 'penalty' then
       s = base .. ' ' .. tostring(p.penalty)
-      if has_attr(p, attr_icflag)==KINSOKU then
+      if get_attr_icflag(p)==icflag_table.KINSOKU then
 	 s = s .. ' (for kinsoku)'
       end
       print_fn(s)
@@ -374,4 +479,6 @@ function luatexja.ext_show_node(head,depth,print_fn)
    else
       print_fn(debug_depth .. ' (null list)')
    end
-end
\ No newline at end of file
+end
+
+end