diff options
author | Karl Berry <karl@freefriends.org> | 2022-10-02 20:22:38 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2022-10-02 20:22:38 +0000 |
commit | f07221583be9b4c98b5db2cb0008a92de954d799 (patch) | |
tree | 7b37a17d5650238fc1630f195f1bd8638eb8e66b /Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua | |
parent | 577f093e401f937931fdb0b38a6c9680ad542604 (diff) |
luatexja (2oct22)
git-svn-id: svn://tug.org/texlive/trunk@64587 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua')
-rw-r--r-- | Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua | 84 |
1 files changed, 49 insertions, 35 deletions
diff --git a/Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua b/Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua index 2a7c0444c74..a8664d7cf32 100644 --- a/Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua +++ b/Master/texmf-dist/tex/luatex/luatexja/ltj-math.lua @@ -14,8 +14,17 @@ local getfield = node.direct.getfield local getid = node.direct.getid local getsubtype = node.direct.getsubtype local getlist = node.direct.getlist --- getlist cannot be used for sub_box nodes. Use instead λp. getfield(p, 'head') local getchar = node.direct.getchar +local getnucleus = node.direct.getnucleus +local getsup = node.direct.getsup +local getsub = node.direct.getsub +local getshift = node.direct.getshift +local setnext = node.direct.setnext +local setnucleus = node.direct.setnucleus +local setsup = node.direct.setsup +local setsub = node.direct.setsub +local setlist = node.direct.setlist +local setshift = node.direct.setshift local to_node = node.direct.tonode local to_direct = node.direct.todirect @@ -24,10 +33,11 @@ local node_traverse = node.direct.traverse local node_new = node.direct.new local node_next = node.direct.getnext local node_remove = node.direct.remove -local node_free = node.direct.free -local has_attr = node.direct.has_attribute +local node_free = node.direct.flush_node or node.direct.free +local get_attr = node.direct.get_attribute local set_attr = node.direct.set_attribute -local tex_getcount = tex.getcount +local getcount = tex.getcount +local cnt_stack = luatexbase.registernumber 'ltj@@stack' local attr_jchar_class = luatexbase.attributes['ltj@charclass'] local attr_dir = luatexbase.attributes['ltj@dir'] @@ -66,33 +76,34 @@ local list_dir -- vcenter noad は軸に揃えるため,欧文ベースライン補正がかかる local function conv_vcenter(sb) - local h = getfield(sb, 'head'); local hd = getlist(h) - if getid(hd)==id_whatsit and getsubtype(hd)==sid_user + local h = getlist(sb) ; local hd = getlist(h) + if getid(hd)==id_whatsit and getsubtype(hd)==sid_user and getfield(hd, 'user_id')==DIR then local d = node_next(hd) - if getid(d)==id_vlist and has_attr(d, attr_dir)>=dir_node_auto then - node_free(hd); setfield(h, 'head', nil); node_free(h) - setfield(sb, 'head', d); set_attr(d, attr_icflag, 0) + if getid(d)==id_vlist and get_attr(d, attr_dir)>=dir_node_auto then + node_free(hd); setlist(h, nil); node_free(h) + setlist(sb, d); set_attr(d, attr_icflag, 0) end end return sb end local cjhh_A --- sty : 0 (display or text), 1 (script), >=2 (scriptscript) +local max, min = math.max, math.min +-- sty : -1 (display), 0 (text), 1 (script), >=2 (scriptscript) local function conv_jchar_to_hbox(head, sty) for p in node_traverse(head) do local pid = getid(p) if pid == id_simple or pid == id_accent then if getsubtype(p)==12 then - conv_vcenter(getfield(p, 'nucleus')) + conv_vcenter(getnucleus(p)) else - setfield(p, 'nucleus', cjh_A(getfield(p, 'nucleus'), sty)) + setnucleus(p, cjh_A(getnucleus(p), sty)) end - setfield(p, 'sub', cjh_A(getfield(p, 'sub'), sty+1)) - setfield(p, 'sup', cjh_A(getfield(p, 'sup'), sty+1)) + setsub(p, cjh_A(getsub(p), max(sty+1,1))) + setsup(p, cjh_A(getsup(p), max(sty+1,1))) elseif pid == id_choice then - setfield(p, 'display', cjh_A(getfield(p, 'display'), 0)) + setfield(p, 'display', cjh_A(getfield(p, 'display'), -1)) setfield(p, 'text', cjh_A(getfield(p, 'text'), 0)) setfield(p, 'script', cjh_A(getfield(p, 'script'), 1)) setfield(p, 'scriptscript', cjh_A(getfield(p, 'scriptscript'), 2)) @@ -100,15 +111,17 @@ local function conv_jchar_to_hbox(head, sty) setfield(p, 'num', cjh_A(getfield(p, 'num'), sty+1)) setfield(p, 'denom', cjh_A(getfield(p, 'denom'), sty+1)) elseif pid == id_radical then - setfield(p, 'nucleus', cjh_A(getfield(p, 'nucleus'), sty)) - setfield(p, 'sub', cjh_A(getfield(p, 'sub'), sty+1)) - setfield(p, 'sup', cjh_A(getfield(p, 'sup'), sty+1)) + setnucleus(p, cjh_A(getnucleus(p), sty)) + setsub(p, cjh_A(getsub(p), max(sty+1,1))) + setsup(p, cjh_A(getsup(p), max(sty+1,1))) if getfield(p, 'degree') then - setfield(p, 'degree', cjh_A(getfield(p, 'degree'), sty + 1)) + setfield(p, 'degree', cjh_A(getfield(p, 'degree'), 2)) end elseif pid == id_style then local ps = getfield(p, 'style') - if ps == "display'" or ps == 'display' or ps == "text'" or ps == 'text' then + if ps == "display'" or ps == 'display' then + sty = -1 + elseif ps == "text'" or ps == 'text' then sty = 0 elseif ps == "script'" or ps == 'script' then sty = 1 @@ -124,47 +137,48 @@ local MJS = luatexja.stack_table_index.MJS local MJSS = luatexja.stack_table_index.MJSS local capsule_glyph_math = ltjw.capsule_glyph_math local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct +local setfont = node.direct.setfont +local setchar = node.direct.setchar cjh_A = function (p, sty) if not p then return nil else local pid = getid(p) if pid == id_sub_mlist then - if getfield(p, 'head') then - setfield(p, 'head', conv_jchar_to_hbox(getfield(p, 'head'), sty)) + if getlist(p) then + setlist(p, conv_jchar_to_hbox(getlist(p), sty)) end elseif pid == id_mchar then - local pc, fam = getchar (p), has_attr(p, attr_jfam) or -1 + local pc, fam = getchar (p), get_attr(p, attr_jfam) or -1 if (not is_math_letters[pc]) and is_ucs_in_japanese_char(p) and fam>=0 then - local f = ltjs.get_stack_table(MJT + 0x100 * sty + fam, -1, tex_getcount('ltj@@stack')) + local f = ltjs.get_stack_table(MJT + 0x100 * min(max(sty,0),2) + fam, -1, getcount(cnt_stack)) if f ~= -1 then local q = node_new(id_sub_box) - local r = node_new(id_glyph); setfield(r, 'next', nil) - setfield(r, 'char', pc); setfield(r, 'font', f); setfield(r, 'subtype', 256) - local k = has_attr(r,attr_ykblshift) or 0; set_attr(r, attr_ykblshift, 0) - -- ltj-setwidth 内で実際の位置補正はおこなうので,補正量を退避 + local r = node_new(id_glyph, 256); setnext(r, nil); setfont(r, f, pc) local met = ltjf_font_metric_table[f] - r = capsule_glyph_math(r, met, met.char_type[ltjf_find_char_class(pc, met)]); - setfield(q, 'head', r); node_free(p); p=q; set_attr(r, attr_yablshift, k) + r = capsule_glyph_math( + r, met, met.char_type[ltjf_find_char_class(pc, met)], sty) + setlist(q, r); node_free(p); p=q; end end - elseif pid == id_sub_box and getfield(p, 'head') then + elseif pid == id_sub_box and getlist(p) then -- \hbox で直に与えられた内容は上下位置を補正する必要はない - local h = getfield(p, 'head'); h = ltjd_make_dir_whatsit(h, h, list_dir, 'math') - setfield(p, 'head', h); set_attr(h, attr_icflag, PROCESSED) + local h = getlist(p); h = ltjd_make_dir_whatsit(h, h, list_dir, 'math') + setlist(p, h); setshift(h, getshift(h)-get_attr(h, attr_yablshift)) + --set_attr(h, attr_icflag, PROCESSED) end end return p end do - local function mlist_callback_ltja(n) + local function mlist_callback_ltja(n, display_type) local n = to_direct(n); list_dir = ltjd_get_dir_count() if getid(n)==id_whatsit and getsubtype(n)==sid_user and getfield(n, 'user_id') == DIR then local old_n = n; n = node_remove(n, n) node_free(old_n); if not n then return nil end end - return to_node(conv_jchar_to_hbox(n, 0)) + return to_node(conv_jchar_to_hbox(n, (display_type=='display') and -1 or 0)) end -- LaTeX 2020-02-02 seems to have pre_mlist_to_hlist_filter callback if luatexbase.callbacktypes['pre_mlist_to_hlist_filter'] then |