luatexja.load_module('jfmglue'); local ltjj = luatexja.jfmglue
luatexja.load_module('stack'); local ltjs = luatexja.stack
luatexja.load_module('direction'); local ltjd = luatexja.direction
+luatexja.adjust = luatexja.adjust or {}
local to_node = node.direct.tonode
local to_direct = node.direct.todirect
local setfield = node.direct.setfield
local setglue = luatexja.setglue
-local getglue = luatexja.getglue
local getfield = node.direct.getfield
-local is_zero_glue = node.direct.is_zero_glue
local getlist = node.direct.getlist
local getid = node.direct.getid
local getfont = node.direct.getfont
local node_traverse_id = node.direct.traverse_id
local node_new = node.direct.new
-local node_copy = node.direct.copy
-local node_hpack = node.direct.hpack
local node_next = node.direct.getnext
local node_free = node.direct.free
local node_prev = node.direct.getprev
local lang_ja = luatexja.lang_ja
local ltjf_font_metric_table = ltjf.font_metric_table
-local round, pairs = tex.round, pairs
+local ipairs, pairs = ipairs, pairs
local PACKED = luatexja.icflag_table.PACKED
local LINEEND = luatexja.icflag_table.LINEEND
local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP
local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM
-local priority_table = {
- FROM_JFM + 2,
- FROM_JFM + 1,
- FROM_JFM,
- FROM_JFM - 1,
- FROM_JFM - 2,
- XKANJI_SKIP,
- KANJI_SKIP
-}
-
local get_attr_icflag
do
local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
end
end
+local priority_num = { 0, 0 }
+local at2pr = { {}, {} }
+do
+ local tmp = {}
+ local function cmp(a,b) return a[1]>b[1] end -- 大きいほうが先！
+ local function make_priority_table(glue_sign, xsk, ksk, others)
+ for i,_ in pairs(tmp) do tmp[i]=nil end
+ for i=-2,2 do tmp[#tmp+1] = { i, FROM_JFM+i } end
+ tmp[#tmp+1] = { xsk, XKANJI_SKIP }
+ tmp[#tmp+1] = { xsk, XKANJI_SKIP_JFM }
+ tmp[#tmp+1] = { ksk, KANJI_SKIP }
+ tmp[#tmp+1] = { ksk, KANJI_SKIP_JFM }
+ tmp[#tmp+1] = { others, -1 }
+ table.sort(tmp, cmp)
+ local a, m, n = at2pr[glue_sign], 10000000, 0
+ for i=1,#tmp do
+ if tmp[i][1]<m then n,m = n+1,tmp[i][1] end
+ a[tmp[i][2]] = n
+ end
+ priority_num[glue_sign] = n
+ setmetatable(a, {__index = function () return others end })
+ end
+ make_priority_table(1, -3, -4, 5)
+ make_priority_table(2, -3, -4, 5)
+ luatexja.adjust.make_priority_table = make_priority_table
+end
+
-- box 内で伸縮された glue の合計値を計算
local total_stsh = {{},{}}
+local at2pr_st, at2pr_sh = at2pr[1], at2pr[2]
local total_st, total_sh = total_stsh[1], total_stsh[2]
local get_total_stretched
do
local ph = getlist(p)
if not ph then return 0 end
for i,_ in pairs(total_st) do total_st[i]=nil; total_sh[i]=nil end
- for i=1,#priority_table do
- total_st[priority_table[i]]=0; total_sh[priority_table[i]]=0;
- end
+ for i=1,priority_num[1] do total_st[i]=0 end
+ for i=1,priority_num[2] do total_sh[i]=0 end
for i=0,4 do total_st[i*65536]=0; total_sh[i*65536]=0 end
- total_st[-1]=0; total_sh[-1]=0;
for q in node_traverse_id(id_glue, ph) do
local a = getfield(q, 'stretch_order')
- if a>0 then a=a*65536 else
- total_st[0] = total_st[0]+getfield(q, 'stretch')
- a = get_attr_icflag(q)
- if a == KANJI_SKIP_JFM then a = KANJI_SKIP
- elseif a == XKANJI_SKIP_JFM then a = XKANJI_SKIP
- elseif type(total_st[a])~='number' then a = -1 end
+ if a==0 then
+ local b = at2pr_st[get_attr_icflag(q)];
+ total_st[b] = total_st[b]+getfield(q, 'stretch')
end
- total_st[a] = total_st[a]+getfield(q, 'stretch')
+ total_st[a*65536] = total_st[a]+getfield(q, 'stretch')
local a = getfield(q, 'shrink_order')
- if a>0 then a=a*65536 else
- total_sh[0] = total_sh[0]+getfield(q, 'shrink')
- a = get_attr_icflag(q)
- if a == KANJI_SKIP_JFM then a = KANJI_SKIP
- elseif a == XKANJI_SKIP_JFM then a = XKANJI_SKIP
- elseif type(total_sh[a])~='number' then a = -1 end
+ if a==0 then
+ local b = at2pr_sh[get_attr_icflag(q)];
+ total_sh[b] = total_sh[b]+getfield(q, 'shrink')
end
- total_sh[a] = total_sh[a]+getfield(q, 'shrink')
+ total_sh[a*65536] = total_sh[a]+getfield(q, 'shrink')
end
for i=4,1,-1 do if total_st[i*65536]~=0 then total_st.order=i; break end; end
if not total_st.order then
end
end
-local function clear_stretch(p, ic, name)
- for q in node_traverse_id(id_glue, getlist(p)) do
- local f = get_attr_icflag(q)
- if (f == ic) or ((ic ==KANJI_SKIP) and (f == KANJI_SKIP_JFM))
- or ((ic ==XKANJI_SKIP) and (f == XKANJI_SKIP_JFM)) then
- setfield(q, name..'_order', 0)
- setfield(q, name, 0)
- end
- end
-end
-
-local function set_stretch(p, after, before, ic, name)
- if before > 0 then
- local ratio = after/before
- for q in node_traverse_id(id_glue, getlist(p)) do
- local f = get_attr_icflag(q)
- if (f == ic) or ((ic ==KANJI_SKIP) and (f == KANJI_SKIP_JFM))
- or ((ic ==XKANJI_SKIP) and (f == XKANJI_SKIP_JFM)) then
- if getfield(q, name..'_order')==0 then
- setfield(q, name, getfield(q, name)*ratio)
- end
- end
- end
- end
-end
-
-- step 1: 行末に kern を挿入（句読点，中点用）
local abs = math.abs
local ltjd_glyph_from_packed = ltjd.glyph_from_packed
total = total + getfield(pf, 'width')
total_st.order, total_sh.order = 0, 0
if getfield(pf, 'stretch_order')==0 then
+ local i = at2pr_st[-1]
total_st[0] = total_st[0] - getfield(pf, 'stretch')
- total_st[-1] = total_st[-1] - getfield(pf, 'stretch')
+ total_st[i] = total_st[i] - getfield(pf, 'stretch')
total_st.order = (total_st[0]==0) and -1 or 0
end
if getfield(pf, 'shrink_order')==0 then
+ local i = at2pr_sh[-1]
total_sh[0] = total_sh[0] - getfield(pf, 'shrink')
- total_sh[-1] = total_sh[-1] - getfield(pf, 'shrink')
+ total_sh[i] = total_sh[i] - getfield(pf, 'shrink')
total_sh.order = (total_sh[0]==0) and -1 or 0
end
setfield(pf, 'subtype', 1); setglue(pf)
-- step 2: 行中の glue を変える
-local function aw_step2_dummy(p, _, added_flag)
- if added_flag then -- 行末に kern 追加したので，それによる補正
- local f = node_hpack(getlist(p), getfield(p, 'width'), 'exactly')
- setfield(f, 'head', nil)
- setfield(p, 'glue_set', getfield(f, 'glue_set'))
- setfield(p, 'glue_order', getfield(f, 'glue_order'))
- setfield(p, 'glue_sign', getfield(f, 'glue_sign'))
- node_free(f)
- return
+local aw_step2, aw_step2_dummy
+do
+local node_hpack = node.direct.hpack
+local function repack(p)
+ local f = node_hpack(getlist(p), getfield(p, 'width'), 'exactly')
+ setfield(f, 'head', nil)
+ setfield(p, 'glue_set', getfield(f, 'glue_set'))
+ setfield(p, 'glue_order', getfield(f, 'glue_order'))
+ setfield(p, 'glue_sign', getfield(f, 'glue_sign'))
+ node_free(f)
+ return
+end
+function aw_step2_dummy(p, _, added_flag)
+ if added_flag then return repack(p) end
+end
+
+local function clear_stretch(p, ind, ap, name)
+ for q in node_traverse_id(id_glue, getlist(p)) do
+ local f = ap[get_attr_icflag(q)]
+ if f == ind then
+ setfield(q, name..'_order', 0)
+ setfield(q, name, 0)
+ end
+ end
+end
+
+local function set_stretch(p, after, before, ind, ap, name)
+ if before > 0 then
+ local ratio = after/before
+ for q in node_traverse_id(id_glue, getlist(p)) do
+ local f = ap[get_attr_icflag(q)]
+ if (f==ind) and getfield(q, name..'_order')==0 then
+ setfield(q, name, getfield(q, name)*ratio)
+ end
+ end
end
end
-local function aw_step2(p, total, added_flag)
+
+function aw_step2(p, total, added_flag)
local name = (total>0) and 'stretch' or 'shrink'
- local res = total_stsh[(total>0) and 1 or 2]
+ local id = (total>0) and 1 or 2
+ local res = total_stsh[id]
+ local pnum = priority_num[id]
if total==0 or res.order > 0 then
-- もともと伸縮の必要なしか，残りの伸縮量は無限大
- if added_flag then -- 行末に kern 追加したので，それによる補正
- local f = node_hpack(getlist(p), getfield(p, 'width'), 'exactly')
- setfield(f, 'head', nil)
- setfield(p, 'glue_set', getfield(f, 'glue_set'))
- setfield(p, 'glue_order', getfield(f, 'glue_order'))
- setfield(p, 'glue_sign', getfield(f, 'glue_sign'))
- node_free(f)
- return
- end
+ if added_flag then return repack(p) end
end
total = abs(total)
- if total <= res[-1] then -- 和文処理グルー以外で足りる
- for _,v in pairs(priority_table) do clear_stretch(p, v, name) end
- local f = node_hpack(getlist(p), getfield(p, 'width'), 'exactly')
- setfield(f, 'head', nil)
- setfield(p, 'glue_set', getfield(f, 'glue_set'))
- setfield(p, 'glue_order', getfield(f, 'glue_order'))
- setfield(p, 'glue_sign', getfield(f, 'glue_sign'))
- node_free(f)
- else
- total = total - res[-1];
- for i = 1, #priority_table do
- local v = priority_table[i]
- if total <= res[v] then
- for j = i+1,#priority_table do
- clear_stretch(p, priority_table[j], name)
- end
- set_stretch(p, total, res[v], v, name); break
+ for i = 1, pnum do
+ if total <= res[i] then
+ local a = at2pr[id]
+ for j = i+1,pnum do
+ clear_stretch(p, j, a, name)
end
- total = total - res[v]
+ set_stretch(p, total, res[i], i, a, name); break
end
- local f = node_hpack(getlist(p), getfield(p, 'width'), 'exactly')
- setfield(f, 'head', nil)
- setfield(p, 'glue_set', getfield(f, 'glue_set'))
- setfield(p, 'glue_order', getfield(f, 'glue_order'))
- setfield(p, 'glue_sign', getfield(f, 'glue_sign'))
- node_free(f)
+ total = total - res[i]
end
+ return repack(p)
+end
end
-- step 1': lineend=extended の場合（行分割時に考慮））
end
end
-local adust_width
+local adjust_width
do
local myaw_atep1, myaw_step2, myaw_step1_last
local dummy = function(p,t,n) return t, false end
function disable_cb() -- only for compatibility
enable_cs(0)
end
- luatexja.adjust = luatexja.adjust or {enable_cb=enable_cb, disable_cb=disable_cb}
+ luatexja.adjust.enable_cb=enable_cb
+ luatexja.adjust.disable_cb=disable_cb
end
luatexja.unary_pars.adjust = function(t)
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