Fix #39431: support notdef=... (introduced in luaotfload v2.98)

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

diff --git a/src/ltj-pretreat.lua b/src/ltj-pretreat.lua
index 8712f57..7d33257 100644 (file)
--- a/src/ltj-pretreat.lua
+++ b/src/ltj-pretreat.lua
@@ -17,6 +17,7 @@ local getfont =  node.direct.getfont
 local getchar =  node.direct.getchar
 local getfield =  node.direct.getfield
 local getsubtype =  node.direct.getsubtype
+local getlang = node.direct.getlang or function (n) return getfield(n,'lang') end
 
 local pairs = pairs
 local floor = math.floor
@@ -42,7 +43,6 @@ local attr_icflag = luatexbase.attributes['ltj@icflag']
 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 DIR   = luatexja.userid_table.DIR
 local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
@@ -50,6 +50,10 @@ local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
 local dir_tate = luatexja.dir_table.dir_tate
 local lang_ja = luatexja.lang_ja
 
+local setlang = node.direct.setlang or function(n,l) setfield(n,'lang',l) end 
+local setfont = node.direct.setfont or function(n,l) setfield(n,'font',l) end 
+local setchar = node.direct.setchar or function(n,l) setfield(n,'char',l) end 
+
 ------------------------------------------------------------------------
 -- MAIN PROCESS STEP 1: replace fonts
 ------------------------------------------------------------------------
@@ -96,10 +100,11 @@ 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)
+              if has_attr(p, attr_icflag, 0) and is_ucs_in_japanese_char(p, pc) then
+                  local pf = has_attr(p, attr_curjfnt)
+                  pf = (pf and pf>0 and pf) or getfont(p)
+                 setfont(p, ltjf_replace_altfont(pf, pc))
+                 setlang(p, lang_ja)
                  ltjs_orig_char_table[p] = pc
               end
               p = node_next(p); pid = getid(p)
@@ -121,13 +126,16 @@ 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 getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+   if mode then
+      for _,p  in pairs(wt) do
+         if getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
+      end
+   else
+      for _,p  in pairs(wt) do node_free(p) end
    end
    ltjs_report_stack_level(tex_getcount('ltj@@stack') + box_set)
    for _,p  in pairs(wtd) do
@@ -135,13 +143,13 @@ local function set_box_stack_level(head, mode)
    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 has_attr(p, attr_icflag, 0) and getlang(p)==lang_ja then
+           local nf = ltjf_replace_altfont( has_attr(p, attr_curtfnt) or getfont(p) , ltjs_orig_char_table[p])
+           setfont(p, 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
+              local pc = getchar(p)
+              pc = ltjf_font_metric_table[nf].vform[pc]
+               if pc then setchar(p,  pc) end
            end
         end
       end