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|
require 'lualibs'
------------------------------------------------------------------------
do
local ipath = {}
function luatexja.input_path_clear() for i in ipairs(ipath) do ipath[i]=nil end end
function luatexja.input_path_add(s) ipath[#ipath+1]=s end
function luatexja.load_lua(fn)
local found = kpse.find_file(fn, 'tex')
if not found then
for _,v in ipairs(ipath) do
found = kpse.find_file(v .. fn, 'tex'); if found then break end
end
end
if not found then
tex.error("LuaTeX-ja error: File `" .. fn .. "' not found")
else
texio.write_nl('(' .. found .. ')'); dofile(found)
end
end
end
function luatexja.load_module(name) require('ltj-' .. name.. '.lua') end
do
local dnode = node.direct
local getfield, traverse = dnode.getfield, dnode.traverse
local node_new, set_attr, get_attr = dnode.new, dnode.set_attribute, dnode.get_attribute
local set_attrlist, get_attrlist = dnode.setattributelist, dnode.getattributelist
local unset_attr = dnode.unset_attribute
local attr_icflag = luatexbase.attributes['ltj@icflag']
local function node_inherit_attr(n, b, a)
if b or a then
local attrlist = get_attrlist(b or a)
local nic = get_attr(n, attr_icflag)
set_attrlist(n, attrlist); set_attr(n, attr_icflag, nic)
if b and a then
for na in traverse(attrlist) do
local id = getfield(na, 'number')
if id and id~=attr_icflag and getfield(na, 'value')~=get_attr(a, id) then
unset_attr(n, id)
end
end
end
end
return n
end
luatexja.node_inherit_attr = node_inherit_attr
luatexja.dnode_new = function (id, subtype, b, a)
return node_inherit_attr(node_new(id, subtype), b, a)
end
end
--- 以下は全ファイルで共有される定数
local icflag_table = {}
luatexja.icflag_table = icflag_table
icflag_table.ITALIC = 1
icflag_table.PACKED = 2
icflag_table.KINSOKU = 3
icflag_table.FROM_JFM = 4
icflag_table.KANJI_SKIP = 68 -- = 4+64
icflag_table.KANJI_SKIP_JFM = 69
icflag_table.XKANJI_SKIP = 70
icflag_table.XKANJI_SKIP_JFM = 71
icflag_table.LINEEND = 72
icflag_table.PROCESSED = 73
icflag_table.IC_PROCESSED = 74
icflag_table.BOXBDD = 75
icflag_table.SPECIAL_JAGLUE = 76
-- 段落組版中のノードリストでは通常のノード (not whatsit) だが
-- 和文処理グルー挿入プロセスで長さが決定されるもの
icflag_table.PROCESSED_BEGIN_FLAG = 4096 -- sufficiently large power of 2
local stack_ind = {}
luatexja.stack_table_index = stack_ind
stack_ind.PRE = 0x200000 -- characterごと
stack_ind.POST = 0x400000 -- characterごと
stack_ind.KCAT = 0x600000 -- characterごと
stack_ind.XSP = 0x800000 -- characterごと
stack_ind.RIPRE = 0xA00000 -- characterごと,ruby pre
stack_ind.RIPOST = 0xC00000 -- characterごと,ruby post
stack_ind.JWP = 0 -- これだけ
stack_ind.KSK = 1 -- これだけ
stack_ind.XSK = 2 -- これだけ
stack_ind.MJT = 0x100 -- 0--255
stack_ind.MJS = 0x200 -- 0--255
stack_ind.MJSS = 0x300 -- 0--255
stack_ind.KSJ = 0x400 -- 0--9
local uid_table = {}
luatexja.userid_table = uid_table
uid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue
uid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理
uid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」
uid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向
uid_table.BOXB = luatexbase.newuserwhatsitid('box_boundary', 'luatexja') -- 「ボックス始め・終わり」
uid_table.JA_AL_BDD = luatexbase.newuserwhatsitid('ja_al_boundary', 'luatexja')
local dir_table = {}
luatexja.dir_table = dir_table
dir_table.dir_dtou = 1
dir_table.dir_tate = 3
dir_table.dir_yoko = 4
dir_table.dir_math_mod = 8
dir_table.dir_node_auto = 128 -- 組方向を合わせるために自動で作られたもの
dir_table.dir_node_manual = 256 -- 寸法代入によって作られたもの
dir_table.dir_utod = dir_table.dir_tate + dir_table.dir_math_mod
-- 「縦数式ディレクション」 in pTeX
--- 定義終わり
local load_module = luatexja.load_module
load_module 'base'; local ltjb = luatexja.base
if tex.outputmode==0 then
ltjb.package_error('luatexja',
'DVI output is not supported in LuaTeX-ja',
'Use lua*tex instead dvilua*tex.')
end
load_module 'rmlgbm'; local ltjr = luatexja.rmlgbm -- must be 1st
if luatexja_debug then load_module 'debug' end
load_module 'lotf_aux'; local ltju = luatexja.lotf_aux
load_module 'charrange'; local ltjc = luatexja.charrange
load_module 'stack'; local ltjs = luatexja.stack
load_module 'direction'; local ltjd = luatexja.direction -- +1 hlist +1 attr_list
load_module 'lineskip'; local ltjl = luatexja.lineskip -- +1 hlist +1 attr_list
load_module 'jfont'; local ltjf = luatexja.jfont
load_module 'inputbuf'; local ltji = luatexja.inputbuf
load_module 'pretreat'; local ltjp = luatexja.pretreat
load_module 'setwidth'; local ltjw = luatexja.setwidth
load_module 'jfmglue'; local ltjj = luatexja.jfmglue -- +1 glue +1 gs +1 attr_list
load_module 'math'; local ltjm = luatexja.math
load_module 'base'; local ltjb = luatexja.base
local attr_jchar_class = luatexbase.attributes['ltj@charclass']
local attr_jchar_code = luatexbase.attributes['ltj@charcode']
local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
local attr_yablshift = luatexbase.attributes['ltj@yablshift']
local attr_icflag = luatexbase.attributes['ltj@icflag']
local attr_uniqid = luatexbase.attributes['ltj@uniqid']
local attr_dir = luatexbase.attributes['ltj@dir']
local cat_lp = luatexbase.catcodetables['latex-package']
-- Three aux. functions, borrowed from tex.web
local floor = math.floor
local function print_scaled(s)
local out, delta = '', 10
if s<0 then s, out = -s, out..'-' end
out=out..tostring(floor(s/65536)) .. '.'
s=10*(s%65536)+5
repeat
if delta>65536 then s=s+32768-50000 end
out=out .. tostring(floor(s/65536))
s=10*(s%65536); delta=delta*10
until s<=delta
return out
end
luatexja.print_scaled = print_scaled
local function print_glue(d,order)
local out=print_scaled(d)
if order>0 then
out=out..'fi'
while order>1 do out=out..'l'; order=order-1 end
else out=out..'pt'
end
return out
end
local function print_spec(p)
local out=print_scaled(p.width or p[1])..'pt'
if (p.stretch or p[2])~=0 then
out=out..' plus '..print_glue(p.stretch or p[2], p.stretch_order or p[4])
end
if (p.shrink or p[3])~=0 then
out=out..' minus '..print_glue(p.shrink or p[3], p.shrink_order or p[5])
end
return out
end
------------------------------------------------------------------------
-- CODE FOR GETTING/SETTING PARAMETERS
------------------------------------------------------------------------
local getcount, texwrite = tex.getcount, tex.write
local cnt_stack = luatexbase.registernumber 'ltj@@stack'
-- EXT: print parameters that don't need arguments
do
local tex_getattr, getnest = tex.getattribute, tex.getnest
local function getattr(a, d)
local r = tex_getattr(a); d = d or 0
return (r==-0x7FFFFFFF) and d or r
end
luatexja.unary_pars = {
yalbaselineshift = function(t)
return print_scaled(getattr('ltj@yablshift'))..'pt'
end,
yjabaselineshift = function(t)
return print_scaled(getattr('ltj@ykblshift'))..'pt'
end,
talbaselineshift = function(t)
return print_scaled(getattr('ltj@tablshift'))..'pt'
end,
tjabaselineshift = function(t)
return print_scaled(getattr('ltj@tkblshift'))..'pt'
end,
kanjiskip = function(t)
return print_spec(ltjs.get_stack_skip(stack_ind.KSK, t))
end,
xkanjiskip = function(t)
return print_spec(ltjs.get_stack_skip(stack_ind.XSK, t))
end,
jcharwidowpenalty = function(t)
return ltjs.get_stack_table(stack_ind.JWP, 0, t)
end,
autospacing = function(t)
return getattr('ltj@autospc', 1)
end,
autoxspacing = function(t)
return getattr('ltj@autoxspc', 1)
end,
differentjfm = function(t)
local f, r = luatexja.jfmglue.diffmet_rule, '???'
if f == math.max then r = 'large'
elseif f == math.min then r = 'small'
elseif f == math.two_average then r = 'average'
elseif f == math.two_paverage then r = 'paverage'
elseif f == math.two_pleft then r = 'pleft'
elseif f == math.two_pright then r = 'pright'
elseif f == math.two_add then r = 'both'
end
return r
end,
direction = function()
local v = ltjd.get_dir_count()
if math.abs(getnest().mode) == ltjs.mmode and v == dir_table.dir_tate then
v = dir_table.dir_utod
end
return v
end,
adjustdir = ltjd.get_adjust_dir_count,
}
local unary_pars = luatexja.unary_pars
local scan_arg = token.scan_argument
function luatexja.ext_get_parameter_unary()
local k= scan_arg()
if unary_pars[k] then
texwrite(tostring(unary_pars[k](getcount(cnt_stack))))
end
ltjb.stop_time_measure 'get_par'
end
end
-- EXT: print parameters that need arguments
do
luatexja.binary_pars = {
jacharrange = function(c, t)
if type(c)~='number' or c<-1 or c>31*ltjc.ATTR_RANGE then
-- 0, -1 はエラーにしない(隠し)
ltjb.package_error('luatexja',
'invalid character range number (' .. tostring(c) .. ')',
'A character range number should be in the range 1..'
.. 31*ltjc.ATTR_RANGE .. ",\n"..
'So I changed this one to ' .. 31*ltjc.ATTR_RANGE .. ".")
c=0 -- external range 217 == internal range 0
elseif c==31*ltjc.ATTR_RANGE then c=0
end
-- 負の値は <U+0080 の文字の文字範囲,として出てくる.この時はいつも欧文文字なので 1 を返す
if c<0 then return 1 else return (ltjc.get_range_setting(c)==0) and 0 or 1 end
end,
prebreakpenalty = function(c, t)
return ltjs.get_stack_table(stack_ind.PRE + ltjb.in_unicode(c, true), 0, t)
end,
postbreakpenalty = function(c, t)
return ltjs.get_stack_table(stack_ind.POST + ltjb.in_unicode(c, true), 0, t)
end,
kcatcode = function(c, t)
return ltjs.get_stack_table(stack_ind.KCAT + ltjb.in_unicode(c, false), 0, t)
end,
chartorange = function(c, t)
return ltjc.char_to_range(ltjb.in_unicode(c, false))
end,
jaxspmode = function(c, t)
return ltjs.get_stack_table(stack_ind.XSP + ltjb.in_unicode(c, true), 3, t)
end,
boxdir = function(c, t)
if type(c)~='number' or c<0 or c>65535 then
ltjb.package_error('luatexja',
'Bad register code (' .. tostring(c) .. ')',
'A register must be between 0 and 65535.\n'..
'I changed this one to zero.')
c=0
end
return ltjd.get_register_dir(c)
end,
}
local binary_pars = luatexja.binary_pars
local scan_arg, scan_int = token.scan_argument, token.scan_int
binary_pars.alxspmode = binary_pars.jaxspmode
function luatexja.ext_get_parameter_binary(k, c)
if binary_pars[k] then
texwrite(tostring(binary_pars[k](c, getcount(cnt_stack))))
end
ltjb.stop_time_measure 'get_par'
end
end
-- EXT: print \global if necessary
function luatexja.ext_print_global()
if luatexja.isglobal=='global' then tex.sprint(cat_lp, '\\global') end
end
-- main process
do
local start_time_measure, stop_time_measure
= ltjb.start_time_measure, ltjb.stop_time_measure
local nullfunc = function (n) return n end
local to_node = node.direct.tonode
local to_direct = node.direct.todirect
local ensure_tex_attr = ltjb.ensure_tex_attr
local slide = node.slide
-- mode = true iff main_process is called from pre_linebreak_filter
local function main_process(head, mode, dir, gc)
ensure_tex_attr(attr_icflag, 0)
if gc == 'fin_row' then return head
else
start_time_measure 'jfmglue'
slide(head);
local p = ltjj.main(to_direct(head),mode, dir)
stop_time_measure 'jfmglue'
return to_node(p)
end
end
local function adjust_icflag(h)
-- kern from luaotfload will have icflag = 1
-- (same as italic correction)
ensure_tex_attr(attr_icflag, 1)
return h
end
-- callbacks
ltjb.add_to_callback(
'pre_linebreak_filter',
function (head,groupcode)
return main_process(head, true, tex.textdir, groupcode)
end,'ltj.main',
luatexbase.priority_in_callback('pre_linebreak_filter', 'luaotfload.node_processor')+1)
ltjb.add_to_callback(
'hpack_filter',
function (head,groupcode,size,packtype, dir)
return main_process(head, false, dir, groupcode)
end,'ltj.main',
luatexbase.priority_in_callback('hpack_filter', 'luaotfload.node_processor')+1)
ltjb.add_to_callback('pre_linebreak_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
ltjb.add_to_callback('hpack_filter', adjust_icflag, 'ltj.adjust_icflag', 1)
end
-- lastnodechar
do
local get_attr, traverse_glyph = node.get_attribute, node.traverse_glyph
local getnest = tex.getnest
local id_hlist = node.id 'hlist'
local id_glyph = node.id 'glyph'
local PACKED, PROCESSED_BEGIN_FLAG = icflag_table.PACKED, icflag_table.PROCESSED_BEGIN_FLAG
function luatexja.pltx_composite_last_node_char()
local n = getnest().tail
local r = '-1'
if n then
if n.id==id_hlist
and (get_attr(n, attr_icflag) or 0) % PROCESSED_BEGIN_FLAG == PACKED then
for i in traverse_glyph(n.head) do n = i; break end
end
if n.id==id_glyph then
while n.components and n.subtype and n.subtype%4 >= 2 do
n = node.tail(n)
end
r = tostring(n.char)
end
end
tex.sprint(-2, r)
end
end
do
local cache_ver = 4 -- must be same as ltj-kinsoku.tex
local cache_outdate_fn = function (t) return t.version~=cache_ver end
local t = ltjs.charprop_stack_table
function luatexja.load_kinsoku()
for i,_ in pairs(t) do t[i]=nil end
local kinsoku = ltjb.load_cache('ltj-kinsoku_default',cache_outdate_fn)
if kinsoku and kinsoku[1] then
t[0] = kinsoku[1]
else
t[0] = {}; tex.print(cat_lp, '\\input ltj-kinsoku.tex\\relax')
end
luatexja.load_kinsoku=nil
end
end
-- debug
do
local node_type = node.type
local node_next = node.next
local get_attr = node.get_attribute
local id_penalty = node.id 'penalty'
local id_glyph = node.id 'glyph'
local id_glue = node.id 'glue'
local id_kern = node.id 'kern'
local id_hlist = node.id 'hlist'
local id_vlist = node.id 'vlist'
local id_rule = node.id 'rule'
local id_math = node.id 'math'
local id_whatsit = node.id 'whatsit'
local sid_user = node.subtype 'user_defined'
local prefix, inner_depth
local utfchar = utf.char
local function debug_show_node_X(p,print_fn, limit, inner_depth)
local k = prefix
local s
local pt, pic = node_type(p.id), (get_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG
local base = prefix .. '[' .. string.format('%7d', node.direct.todirect(p)) .. '] ' ..
string.format('%X', pic) .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' '
if pt == 'glyph' then
s = base .. ' '
.. (p.char<0xF0000 and utfchar(p.char) or '')
.. string.format(' (U+%X) ', p.char)
.. tostring(p.font) .. ' (' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
if p.xoffset~=0 or p.yoffset~=0 then
s = s .. ' off: (' .. print_scaled(p.xoffset)
.. ',' .. print_scaled(p.yoffset) .. ')'
end
print_fn(s)
elseif pt=='hlist' or pt=='vlist' or pt=='unset'or pt=='ins' then
if pt=='ins' then
s = base .. '(' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')'
.. ', dir=' .. tostring(node.get_attribute(p, attr_dir))
else
s = base .. '(' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
.. ', dir=' .. tostring(node.get_attribute(p, attr_dir))
end
if (p.shift or 0)~=0 then
s = s .. ', shifted ' .. print_scaled(p.shift)
end
if p.glue_set and p.glue_sign ==2 or ( p.glue_sign==1 and p.glue_set>0) then
s = s .. ' glue set '
if p.glue_sign == 2 then s = s .. '-' end
s = s .. tostring(floor(p.glue_set*10000)/10000)
if p.glue_order == 0 then s = s .. 'pt'
else
s = s .. 'fi'
for i = 2, p.glue_order do s = s .. 'l' end
end
end
if pic == icflag_table.PACKED then s = s .. ' (packed)' end
print_fn(s);
local bid = inner_depth
prefix, inner_depth = prefix.. '.', inner_depth + 1
if inner_depth < limit then
for q in node.traverse(p.head) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
end
prefix=k
elseif pt=='rule' then
s = base .. '(' .. print_scaled(p.height) .. '+'
.. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
.. ', dir=' .. tostring(node.get_attribute(p, attr_dir))
print_fn(s)
elseif pt=='disc' then
print_fn(s)
local bid = inner_depth
if inner_depth < limit then
prefix, inner_depth = k.. 'p.', inner_depth + 1
for q in node.traverse(p.pre) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
prefix = k.. 'P.'
for q in node.traverse(p.post) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
prefix = k.. 'R.'
for q in node.traverse(p.replace) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
end
prefix=k
elseif pt == 'glue' then
s = base .. ' ' .. print_spec(p)
if pic>icflag_table.KINSOKU and pic<icflag_table.KANJI_SKIP then
s = s .. ' (from JFM: priority ' .. pic-icflag_table.FROM_JFM .. ')'
elseif pic==icflag_table.KANJI_SKIP then
s = s .. ' (kanjiskip)'
elseif pic==icflag_table.KANJI_SKIP_JFM then
s = s .. ' (kanjiskip, JFM specified)'
elseif pic==icflag_table.XKANJI_SKIP then
s = s .. ' (xkanjiskip)'
elseif pic==icflag_table.XKANJI_SKIP_JFM then
s = s .. ' (xkanjiskip, JFM specified)'
end
print_fn(s)
elseif pt == 'kern' then
s = base .. ' ' .. print_scaled(p.kern) .. 'pt'
if p.subtype==2 then
s = s .. ' (for accent)'
elseif pic==icflag_table.IC_PROCESSED then
s = s .. ' (italic correction)'
elseif pic==icflag_table.LINEEND then
s = s .. ' (end-of-line)'
elseif pic>icflag_table.KINSOKU
and pic<icflag_table.KANJI_SKIP then
s = s .. ' (from JFM: priority ' .. pic-icflag_table.FROM_JFM .. ')'
end
print_fn(s)
elseif pt == 'penalty' then
s = base .. ' ' .. tostring(p.penalty)
if pic==icflag_table.KINSOKU then s = s .. ' (for kinsoku)' end
print_fn(s)
elseif pt == 'dir' then
print_fn(base .. ' ' .. tostring(p.dir) .. ' (level ' .. tostring(p.level) .. ')')
elseif pt == 'whatsit' then
s = base
if p.subtype==sid_user then
local t = tostring(p.user_id) .. ' (' ..
luatexbase.get_user_whatsit_name(p.user_id) .. ') '
if p.type ~= 110 then
s = s .. ' userid:' .. t .. tostring(p.value)
print_fn(s)
else
s = s .. ' userid:' .. t .. '(node list)'
if p.user_id==uid_table.DIR then
s = s .. ' dir: ' .. tostring(node.get_attribute(p, attr_dir))
end
print_fn(s)
local bid = inner_depth
prefix, inner_depth = prefix.. '.', inner_depth + 1
if inner_depth < limit then
for q in node.traverse(p.value) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
end
prefix, inner_depth = k, bid
end
else
s = s .. (node.subtype(p.subtype) or '')
if p.subtype==1 then
s = s .. ' stream=' .. p.stream
print_fn(s)
for i=1,#p.data do
print_fn(s .. ' [' .. i .. '] = ' .. tostring(p.data[i] and p.date[i].csname))
end
elseif p.subtype==16 then
s = s .. ' mode=' .. p.mode .. ', literal="' .. p.data .. '"'
print_fn(s)
else
print_fn(s)
end
end
-------- math node --------
elseif pt=='noad' then
print_fn(base)
if p.nucleus then
prefix = k .. 'N'; debug_show_node_X(p.nucleus, print_fn, limit, inner_depth);
end
if p.sup then
prefix = k .. '^'; debug_show_node_X(p.sup, print_fn, limit, inner_depth);
end
if p.sub then
prefix = k .. '_'; debug_show_node_X(p.sub, print_fn, limit, inner_depth);
end
prefix = k;
elseif pt=='math_char' then
s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utfchar(p.char)
print_fn(s)
elseif pt=='sub_box' or pt=='sub_mlist' then
print_fn(base)
if p.head then
prefix = k .. '.';
for q in node.traverse(p.head) do
debug_show_node_X(q, print_fn, limit, inner_depth)
end
end
elseif pt == 'attribute' then
s = base .. ' [' .. p.number .. '] = ' .. p.value
print_fn(s)
else
print_fn(base)
end
p=node_next(p)
end
function luatexja.ext_show_node_list(head,depth,print_fn, lim)
prefix = depth
inner_depth = 0
if head then
while head do
debug_show_node_X(head, print_fn, lim or 1/0, inner_depth); head = node_next(head)
end
else
print_fn(prefix .. ' (null list)')
end
end
function luatexja.ext_show_node(head,depth,print_fn, lim)
prefix = depth
inner_depth = 0
if head then
debug_show_node_X(head, print_fn, lim or 1/0, inner_depth)
else
print_fn(prefix .. ' (null list)')
end
end
end
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