--
--- luatexja/ltj-pretreat.lua
+-- 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
+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 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 ltjf_font_extra_info = ltjf.font_extra_info
-local attr_orig_char = luatexbase.attributes['ltj@origchar']
local STCK = luatexja.userid_table.STCK
local DIR = luatexja.userid_table.DIR
+local JA_AL_BDD = luatexja.userid_table.JA_AL_BDD
local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
local dir_tate = luatexja.dir_table.dir_tate
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)
+ 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,
- })
+ { __index = function() return node_next end, })
+ local id_boundary = node.id('boundary')
+ local node_new, insert_before = node.direct.new, node.direct.insert_before
+ local setsubtype = node.direct.setsubtype or function(n,l) setfield(n,'subtype',l) 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
+ ltjs_orig_char_table[i] = nil
end
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, 0) and is_ucs_in_japanese_char(p, pc) then
- setfont(p, ltjf_replace_altfont(has_attr(p, attr_curjfnt) or getfont(p), pc))
- setlang(p, 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
+ local p = head
+ while p do
+ local pid, prev_chartype = getid(p), 0
+ -- prev_chartype: 0: not char 1: ALchar 2: JAchar
+ while pid==id_glyph do
+ local pc = getchar(p)
+ if has_attr(p, attr_icflag, 0) and is_ucs_in_japanese_char(p, pc) then
+ if prev_chartype==1 then
+ local b = node_new(id_whatsit,sid_user);
+ setfield(b, 'type', 100); setfield(b, 'user_id', JA_AL_BDD);
+ insert_before(head, p, b)
+ end
+ 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], prev_chartype = pc, 2
+ elseif prev_chartype==2 then
+ local b = node_new(id_whatsit,sid_user);
+ setfield(b, 'type', 100); setfield(b, 'user_id', JA_AL_BDD);
+ insert_before(head, p, b); prev_chartype = 1
+ else prev_chartype = 1
+ end
+ p = node_next(p); pid = getid(p)
+ end
+ p = (suppress_hyphenate_ja_aux[pid])(p)
+ end
end
stop_time_measure('ltj_hyphenate'); start_time_measure('tex_hyphenate')
lang.hyphenate(h, nil)
return h
end
- ltjb.add_to_callback('hyphenate',
- function (head,tail)
- return suppress_hyphenate_ja(head)
- end,'ltj.hyphenate')
+ ltjb.add_to_callback('hyphenate', suppress_hyphenate_ja, 'ltj.hyphenate')
end
-- mode: true iff this function is called from hpack_filter
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
- node_free(p)
- end
+ 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, 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
- local pc = getchar(p)
- pc = ltjf_font_metric_table[nf].vform[pc]
- if pc then setchar(p, pc) end
- end
- end
+ 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
+ local pc = getchar(p); pc = ltjf_font_metric_table[nf].vform[pc]
+ if pc then setchar(p, pc) end
+ end
+ end
end
end
return head
ltjb.add_to_callback('hpack_filter',
function (head)
return set_box_stack_level(head, true)
- end,'ltj.set_stack_level',1)
+ end, 'ltj.set_stack_level', 1)
ltjb.add_to_callback('pre_linebreak_filter',
- function (head)
- return set_box_stack_level(head, false)
- end,'ltj.set_stack_level',1)
+ function (head)
+ return set_box_stack_level(head, false)
+ end, 'ltj.set_stack_level', 1)
luatexja.pretreat = {
set_box_stack_level = set_box_stack_level,
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