-- ltj-math.lua
--
-luatexja.load_module('base'); local ltjb = luatexja.base
-luatexja.load_module('direction'); local ltjd = luatexja.direction
-luatexja.load_module('charrange'); local ltjc = luatexja.charrange
-luatexja.load_module('jfont'); local ltjf = luatexja.jfont
-luatexja.load_module('stack'); local ltjs = luatexja.stack
-luatexja.load_module('setwidth'); local ltjw = luatexja.setwidth
+luatexja.load_module 'base'; local ltjb = luatexja.base
+luatexja.load_module 'direction'; local ltjd = luatexja.direction
+luatexja.load_module 'charrange'; local ltjc = luatexja.charrange
+luatexja.load_module 'jfont'; local ltjf = luatexja.jfont
+luatexja.load_module 'stack'; local ltjs = luatexja.stack
+luatexja.load_module 'setwidth'; local ltjw = luatexja.setwidth
local setfield = node.direct.setfield
local getfield = node.direct.getfield
local attr_jfam = luatexbase.attributes['jfam']
local attr_yablshift = luatexbase.attributes['ltj@yablshift']
-local id_glyph = node.id('glyph')
-local id_hlist = node.id('hlist')
-local id_vlist = node.id('vlist')
-local id_mchar = node.id('math_char')
-local id_sub_box = node.id('sub_box')
-local id_radical = node.id('radical')
-local id_choice = node.id('choice')
-local id_accent = node.id('accent')
-local id_style = node.id('style')
-local id_frac = node.id('fraction')
-local id_simple = node.id('noad')
-local id_sub_mlist = node.id('sub_mlist')
-local id_whatsit = node.id('whatsit')
-local sid_user = node.subtype('user_defined')
+local id_glyph = node.id 'glyph'
+local id_hlist = node.id 'hlist'
+local id_vlist = node.id 'vlist'
+local id_mchar = node.id 'math_char'
+local id_sub_box = node.id 'sub_box'
+local id_radical = node.id 'radical'
+local id_choice = node.id 'choice'
+local id_accent = node.id 'accent'
+local id_style = node.id 'style'
+local id_frac = node.id 'fraction'
+local id_simple = node.id 'noad'
+local id_sub_mlist = node.id 'sub_mlist'
+local id_whatsit = node.id 'whatsit'
+local sid_user = node.subtype 'user_defined'
local DIR = luatexja.userid_table.DIR
local dir_node_auto = luatexja.dir_table.dir_node_auto
-- 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 and getfield(hd, 'user_id')==DIR then
+ local h = getfield(sb, 'head'); 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)
+ node_free(hd); setfield(h, 'head', nil); node_free(h)
+ setfield(sb, 'head', d); set_attr(d, attr_icflag, 0)
end
end
return sb
end
-local conv_jchar_to_hbox_A
-
+local cjhh_A
-- sty : 0 (display or 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'))
- else
- setfield(p, 'nucleus', conv_jchar_to_hbox_A(getfield(p, 'nucleus'), sty))
- end
- setfield(p, 'sub', conv_jchar_to_hbox_A(getfield(p, 'sub'), sty+1))
- setfield(p, 'sup', conv_jchar_to_hbox_A(getfield(p, 'sup'), sty+1))
+ if getsubtype(p)==12 then
+ conv_vcenter(getfield(p, 'nucleus'))
+ else
+ setfield(p, 'nucleus', cjh_A(getfield(p, 'nucleus'), sty))
+ end
+ setfield(p, 'sub', cjh_A(getfield(p, 'sub'), sty+1))
+ setfield(p, 'sup', cjh_A(getfield(p, 'sup'), sty+1))
elseif pid == id_choice then
- setfield(p, 'display', conv_jchar_to_hbox_A(getfield(p, 'display'), 0))
- setfield(p, 'text', conv_jchar_to_hbox_A(getfield(p, 'text'), 0))
- setfield(p, 'script', conv_jchar_to_hbox_A(getfield(p, 'script'), 1))
- setfield(p, 'scriptscript', conv_jchar_to_hbox_A(getfield(p, 'scriptscript'), 2))
+ setfield(p, 'display', cjh_A(getfield(p, 'display'), 0))
+ 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))
elseif pid == id_frac then
- setfield(p, 'num', conv_jchar_to_hbox_A(getfield(p, 'num'), sty+1))
- setfield(p, 'denom', conv_jchar_to_hbox_A(getfield(p, 'denom'), sty+1))
+ 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', conv_jchar_to_hbox_A(getfield(p, 'nucleus'), sty))
- setfield(p, 'sub', conv_jchar_to_hbox_A(getfield(p, 'sub'), sty+1))
- setfield(p, 'sup', conv_jchar_to_hbox_A(getfield(p, 'sup'), sty+1))
- if getfield(p, 'degree') then
- setfield(p, 'degree', conv_jchar_to_hbox_A(getfield(p, 'degree'), sty + 1))
- end
+ 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))
+ if getfield(p, 'degree') then
+ setfield(p, 'degree', cjh_A(getfield(p, 'degree'), sty + 1))
+ end
elseif pid == id_style then
- local ps = getfield(p, 'style')
- if ps == "display'" or ps == 'display'
- or ps == "text'" or ps == 'text' then
- sty = 0
- elseif ps == "script'" or ps == 'script' then
- sty = 1
- else sty = 2
- end
+ local ps = getfield(p, 'style')
+ if ps == "display'" or ps == 'display' or ps == "text'" or ps == 'text' then
+ sty = 0
+ elseif ps == "script'" or ps == 'script' then
+ sty = 1
+ else sty = 2
+ end
end
end
return head
local capsule_glyph_math = ltjw.capsule_glyph_math
local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
-conv_jchar_to_hbox_A =
-function (p, sty)
+cjh_A = function (p, sty)
if not p then return nil
else
local pid = getid(p)
setfield(p, 'head', conv_jchar_to_hbox(getfield(p, 'head'), sty))
end
elseif pid == id_mchar then
- local fam = has_attr(p, attr_jfam) or -1
- local pc = getchar(p)
+ local pc, fam = getchar (p), has_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'))
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)
+ 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 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)
+ setfield(q, 'head', r); node_free(p); p=q; set_attr(r, attr_yablshift, k)
end
end
elseif pid == id_sub_box and getfield(p, 'head') 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 = getfield(p, 'head'); h = ltjd_make_dir_whatsit(h, h, list_dir, 'math')
+ setfield(p, 'head', h); set_attr(h, attr_icflag, PROCESSED)
end
end
return p
do
local function mlist_callback_ltja(n)
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
+ 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
OSDN Git Service
