X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=src%2Fltj-pretreat.lua;h=8712f570ffb02692f5d2d4df90fcc44d5de6d53e;hb=ab23049deb6fb90ca689fdf4924b3783f08f8f2e;hp=0c7ac3de0f2ccff4794e67d8e9149b7d18f48cfe;hpb=2b3abd97c607a1a2c62ae9b0e726d5fe6573caca;p=luatex-ja%2Fluatexja.git

diff --git a/src/ltj-pretreat.lua b/src/ltj-pretreat.lua
index 0c7ac3d..8712f57 100644
--- a/src/ltj-pretreat.lua
+++ b/src/ltj-pretreat.lua
@@ -2,18 +2,31 @@
 -- luatexja/ltj-pretreat.lua
 --
 
+luatexja.load_module('base');      local ltjb = luatexja.base
 luatexja.load_module('charrange'); local ltjc = luatexja.charrange
 luatexja.load_module('stack');     local ltjs = luatexja.stack
 luatexja.load_module('jfont');     local ltjf = luatexja.jfont
+luatexja.load_module('direction'); local ltjd = luatexja.direction
 
+local to_node =  node.direct.tonode
+local to_direct =  node.direct.todirect
+
+local setfield =  node.direct.setfield
+local getid =  node.direct.getid
+local getfont =  node.direct.getfont
+local getchar =  node.direct.getchar
+local getfield =  node.direct.getfield
+local getsubtype =  node.direct.getsubtype
+
+local pairs = pairs
 local floor = math.floor
-local has_attr = node.has_attribute
-local set_attr = node.set_attribute
-local node_traverse = node.traverse
-local node_type = node.type
-local node_remove = node.remove
-local node_next = node.next
-local node_free = node.free
+local has_attr = node.direct.has_attribute
+local set_attr = node.direct.set_attribute
+local node_traverse = node.direct.traverse
+local node_remove = node.direct.remove
+local node_next =  node.direct.getnext
+local node_free = node.direct.free
+local node_end_of_math = node.direct.end_of_math
 local tex_getcount = tex.getcount
 
 local id_glyph = node.id('glyph')
@@ -21,83 +34,132 @@ local id_math = node.id('math')
 local id_whatsit = node.id('whatsit')
 local sid_user = node.subtype('user_defined')
 
+local attr_dir = luatexbase.attributes['ltj@dir']
 local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
+local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
 local attr_icflag = luatexbase.attributes['ltj@icflag']
 
-local ltjc_is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char
+local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
+local ltjs_orig_char_table = ltjs.orig_char_table
 local ltjf_replace_altfont = ltjf.replace_altfont
 local attr_orig_char = luatexbase.attributes['ltj@origchar']
-local STCK = luatexja.userid_table.STCK
+local STCK  = luatexja.userid_table.STCK
+local DIR   = luatexja.userid_table.DIR
+local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
+
+local dir_tate = luatexja.dir_table.dir_tate
+local lang_ja = luatexja.lang_ja
 
 ------------------------------------------------------------------------
 -- MAIN PROCESS STEP 1: replace fonts
 ------------------------------------------------------------------------
-local wt
+local wt, wtd = {}, {}
 do
+   local ltjd_get_dir_count = ltjd.get_dir_count
+   local start_time_measure, stop_time_measure
+      = ltjb.start_time_measure, ltjb.stop_time_measure
    local head
-   local end_math = node.end_of_math or 
-      function(p)
-	 while p and p.id~=id_math do p = node_next(p) end
-	 return p
-      end
-
-   local suppress_hyphenate_ja_aux = {}
-   suppress_hyphenate_ja_aux[id_glyph] = function(p)
-      if (has_attr(p, attr_icflag) or 0)<=0 and ltjc_is_ucs_in_japanese_char(p) then
-	 local pc = p.char
-	 local pf = ltjf_replace_altfont(has_attr(p, attr_curjfnt) or p.font, pc)
-	 p.font = pf;  set_attr(p, attr_curjfnt, pf)
-	 p.subtype = floor(p.subtype*0.5)*2
-	 set_attr(p, attr_orig_char, pc)
+   local suppress_hyphenate_ja_aux = {
+      [id_math] = function(p) return node_next(node_end_of_math(node_next(p))) end,
+      [id_whatsit] = function(p)
+	 if getsubtype(p)==sid_user then
+	    local uid = getfield(p, 'user_id')
+	    if uid==STCK then
+	       wt[#wt+1] = p; node_remove(head, p)
+	    elseif uid==DIR then
+	       if has_attr(p, attr_icflag)<PROCESSED_BEGIN_FLAG  then
+		  ltjs.list_dir = has_attr(p, attr_dir)
+	       else -- こっちのケースは通常使用では起こらない
+		  wtd[#wtd+1] = p; node_remove(head, p)
+	       end
+	    end
+	 end
+	 return node_next(p)
+      end,
+   }
+   setmetatable(suppress_hyphenate_ja_aux, 
+		{
+		   __index = function() return node_next end,
+		})
+   local function suppress_hyphenate_ja (h)
+      start_time_measure('ltj_hyphenate')
+      head = to_direct(h)
+      for i = 1,#wt do wt[i]=nil end
+      for i = 1,#wtd do wtd[i]=nil end
+      for i,_ in pairs(ltjs_orig_char_table) do
+	 ltjs_orig_char_table[i] = nil
       end
-      return p
-   end
-   suppress_hyphenate_ja_aux[id_math] = function(p) return end_math(node_next(p)) end
-   suppress_hyphenate_ja_aux[id_whatsit] = function(p)
-      if p.subtype==sid_user and p.user_id==STCK then
-	 wt[#wt+1] = p; head = node_remove(head, p)
+      ltjs.list_dir=ltjd_get_dir_count()
+      do
+	 local p = head
+	 while p do
+	    local pid = getid(p)
+	    while pid==id_glyph do
+	       local pc = getchar(p)
+	       if (has_attr(p, attr_icflag) or 0)<=0 and is_ucs_in_japanese_char(p, pc) then
+		  setfield(p, 'font', 
+			   ltjf_replace_altfont(has_attr(p, attr_curjfnt) or getfont(p), pc))
+		  setfield(p, 'lang', lang_ja)
+		  ltjs_orig_char_table[p] = pc
+	       end
+	       p = node_next(p); pid = getid(p)
+	    end
+	    p = (suppress_hyphenate_ja_aux[pid])(p)
+	 end
       end
-      return p
+      stop_time_measure('ltj_hyphenate'); start_time_measure('tex_hyphenate')
+      lang.hyphenate(h, nil)
+      stop_time_measure('tex_hyphenate')
+      return h
    end
 
-   local function suppress_hyphenate_ja (h)
-      local p = h
-      wt, head = {}, h
-      while p do
-	 local pfunc = suppress_hyphenate_ja_aux[p.id]
-	 if pfunc then p = pfunc(p) end
-	 p = node_next(p)
-      end
-      lang.hyphenate(head)
-      return head
-   end
-   
-   luatexbase.add_to_callback('hyphenate', 
+   ltjb.add_to_callback('hyphenate',
 			      function (head,tail)
 				 return suppress_hyphenate_ja(head)
 			      end,'ltj.hyphenate')
 end
 
 -- mode: true iff this function is called from hpack_filter
+local ltjs_report_stack_level = ltjs.report_stack_level
+local ltjf_vert_form_table    = ltjf.vert_form_table
+local ltjf_font_metric_table  = ltjf.font_metric_table
+local font_getfont = font.getfont
 local function set_box_stack_level(head, mode)
    local box_set, cl = 0, tex.currentgrouplevel + 1
    for _,p  in pairs(wt) do
-      if mode and p.value==cl then box_set = 1 end; node_free(p)
+      if mode and getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+   end
+   ltjs_report_stack_level(tex_getcount('ltj@@stack') + box_set)
+   for _,p  in pairs(wtd) do
+      node_free(p)
+   end
+   if ltjs.list_dir == dir_tate then
+      for p in node.direct.traverse_id(id_glyph,to_direct(head)) do
+         if (has_attr(p, attr_icflag) or 0)<=0 and getfield(p, 'lang')==lang_ja then
+            local pc = ltjs_orig_char_table[p]
+	    local nf = ltjf_replace_altfont( has_attr(p, attr_curtfnt) or getfont(p) , pc)
+	    setfield(p, 'font', nf)
+	    if ltjf_font_metric_table[nf].vert_activated then
+	       pc = ltjf_vert_form_table [getchar(p)]
+	       if font_getfont(nf).characters[pc] then setfield(p, 'char', pc) end
+	    end
+	 end
+      end
    end
-   ltjs.report_stack_level(tex_getcount('ltj@@stack') + box_set)
    return head
 end
 
 -- CALLBACKS
-luatexbase.add_to_callback('hpack_filter', 
+ltjb.add_to_callback('hpack_filter',
    function (head)
      return set_box_stack_level(head, true)
-   end,'ltj.hpack_filter_pre',1)
-luatexbase.add_to_callback('pre_linebreak_filter', 
+   end,'ltj.set_stack_level',1)
+ltjb.add_to_callback('pre_linebreak_filter',
   function (head)
      return set_box_stack_level(head, false)
-  end,'ltj.pre_linebreak_filter_pre',1)
+  end,'ltj.set_stack_level',1)
 
 luatexja.pretreat = {
    set_box_stack_level = set_box_stack_level,
+   orig_char_table = orig_char_table,
 }