From e3ced53bee13f449a8446c7aea11887fd0be5383 Mon Sep 17 00:00:00 2001 From: Hironori Kitagawa Date: Thu, 14 May 2015 05:37:34 +0900 Subject: [PATCH] removed unnecessary file #ltj-jfmglue.lua# --- src/#ltj-jfmglue.lua# | 1220 ------------------------------------------------- 1 file changed, 1220 deletions(-) delete mode 100644 src/#ltj-jfmglue.lua# diff --git a/src/#ltj-jfmglue.lua# b/src/#ltj-jfmglue.lua# deleted file mode 100644 index 1671555..0000000 --- a/src/#ltj-jfmglue.lua# +++ /dev/null @@ -1,1220 +0,0 @@ --- --- luatexja/ltj-jfmglue.lua --- -luatexbase.provides_module({ - name = 'luatexja.jfmglue', - date = '2015/05/03', - description = 'Insertion process of JFM glues and kanjiskip', -}) -module('luatexja.jfmglue', package.seeall) -local err, warn, info, log = luatexbase .errwarinf(_NAME) - -luatexja.load_module('base'); local ltjb = luatexja.base -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('setwidth'); local ltjw = luatexja.setwidth -local pairs = pairs - -local Dnode = node.direct or node - -local nullfunc = function(n) return n end -local to_node = (Dnode ~= node) and Dnode.tonode or nullfunc -local to_direct = (Dnode ~= node) and Dnode.todirect or nullfunc - -local setfield = (Dnode ~= node) and Dnode.setfield or function(n, i, c) n[i] = c end -local getfield = (Dnode ~= node) and Dnode.getfield or function(n, i) return n[i] end -local getid = (Dnode ~= node) and Dnode.getid or function(n) return n.id end -local getfont = (Dnode ~= node) and Dnode.getfont or function(n) return n.font end -local getlist = (Dnode ~= node) and Dnode.getlist or function(n) return n.head end -local getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end -local getsubtype = (Dnode ~= node) and Dnode.getsubtype or function(n) return n.subtype end - -local has_attr = Dnode.has_attribute -local set_attr = Dnode.set_attribute -local insert_before = Dnode.insert_before -local insert_after = Dnode.insert_after -local node_next = (Dnode ~= node) and Dnode.getnext or node.next -local round = tex.round -local ltjd_make_dir_whatsit = ltjd.make_dir_whatsit -local ltjf_font_metric_table = ltjf.font_metric_table -local ltjf_find_char_class = ltjf.find_char_class -local node_new = Dnode.new -local node_copy = Dnode.copy -local node_remove = Dnode.remove -local node_tail = Dnode.tail -local node_free = Dnode.free -local node_end_of_math = Dnode.end_of_math - -local id_glyph = node.id('glyph') -local id_hlist = node.id('hlist') -local id_vlist = node.id('vlist') -local id_rule = node.id('rule') -local id_ins = node.id('ins') -local id_mark = node.id('mark') -local id_adjust = node.id('adjust') -local id_disc = node.id('disc') -local id_whatsit = node.id('whatsit') -local id_math = node.id('math') -local id_glue = node.id('glue') -local id_kern = node.id('kern') -local id_penalty = node.id('penalty') - -local id_glue_spec = node.id('glue_spec') -local id_jglyph = 512 -- Japanese character -local id_box_like = 256 -- vbox, shifted hbox -local id_pbox = 257 -- already processed nodes (by \unhbox) -local id_pbox_w = 258 -- cluster which consists of a whatsit -local sid_user = node.subtype('user_defined') -local lang_ja = luatexja.lang_ja - -local sid_start_link = node.subtype('pdf_start_link') -local sid_start_thread = node.subtype('pdf_start_thread') -local sid_end_link = node.subtype('pdf_end_link') -local sid_end_thread = node.subtype('pdf_end_thread') - -local ITALIC = luatexja.icflag_table.ITALIC -local PACKED = luatexja.icflag_table.PACKED -local KINSOKU = luatexja.icflag_table.KINSOKU -local FROM_JFM = luatexja.icflag_table.FROM_JFM -local PROCESSED = luatexja.icflag_table.PROCESSED -local IC_PROCESSED = luatexja.icflag_table.IC_PROCESSED -local BOXBDD = luatexja.icflag_table.BOXBDD -local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG - -local attr_icflag = luatexbase.attributes['ltj@icflag'] -local kanji_skip -local xkanji_skip -local table_current_stack -local list_dir -local capsule_glyph -local tex_dir -local attr_ablshift -local set_np_xspc_jachar -local set_np_xspc_jachar_hbox - -local ltjs_orig_char_table = ltjs.orig_char_table - -local function get_attr_icflag(p) - return (has_attr(p, attr_icflag) or 0)%PROCESSED_BEGIN_FLAG -end - --------------------- Helper functions - --- This function is called only for acquiring `special' characters. -local function fast_find_char_class(c,m) - return m.chars[c] or 0 -end - --- 文字クラスの決定 -local slow_find_char_class -do - local start_time_measure = ltjb.start_time_measure - local stop_time_measure = ltjb.stop_time_measure - slow_find_char_class = function (c, m, oc) - local cls = ltjf_find_char_class(oc, m) - if oc~=c and c and cls==0 then - return ltjf_find_char_class(c, m) - else - return cls - end - end -end - -local zero_glue = node_new(id_glue) -spec_zero_glue = to_node(node_new(id_glue_spec)) - -- must be public, since mentioned from other sources -local spec_zero_glue = to_direct(spec_zero_glue) -setfield(spec_zero_glue, 'width', 0) -setfield(spec_zero_glue, 'stretch', 0) -setfield(spec_zero_glue, 'shrink', 0) -setfield(spec_zero_glue, 'stretch_order', 0) -setfield(spec_zero_glue, 'shrink_order', 0) -setfield(zero_glue, 'spec', spec_zero_glue) - -local function skip_table_to_spec(n) - local g, st = node_new(id_glue_spec), ltjs.fast_get_stack_skip(n) - setfield(g, 'width', st.width) - setfield(g, 'stretch', st.stretch) - setfield(g, 'shrink', st.shrink) - setfield(g, 'stretch_order', st.stretch_order) - setfield(g, 'shrink_order', st.shrink_order) - return g -end - - --- penalty 値の計算 -local function add_penalty(p,e) - local pp = getfield(p, 'penalty') - if pp>=10000 then - if e<=-10000 then setfield(p, 'penalty', 0) end - elseif pp<=-10000 then - if e>=10000 then setfield(p, 'penalty', 0) end - else - pp = pp + e - if pp>=10000 then setfield(p, 'penalty', 10000) - elseif pp<=-10000 then setfield(p, 'penalty', -10000) - else setfield(p, 'penalty', pp) end - end -end - --- 「異なる JFM」の間の調整方法 -diffmet_rule = math.two_paverage -function math.two_add(a,b) return a+b end -function math.two_average(a,b) return (a+b)*0.5 end -function math.two_paverage(a,b) return (a+b)/2 end -function math.two_pleft(a,b) return a end -function math.two_pright(a,b) return b end - -local head -- the head of current list - -local Np, Nq, Bp -local widow_Bp, widow_Np -- \jcharwidowpenalty 挿入位置管理用 - -local non_ihb_flag -- JFM グルー挿入抑止用 flag --- false: \inhibitglue 指定時 true: それ以外 - --------------------- hlist 内の文字の検索 - -local first_char, last_char, find_first_char -do -local ltjd_glyph_from_packed = ltjd.glyph_from_packed -local function check_box(box_ptr, box_end) - local p = box_ptr; local found_visible_node = false - if not p then - find_first_char = false; last_char = nil - return true - end - while p and p~=box_end do - local pid = getid(p) - if pid==id_kern and getsubtype(p)==2 then - p = node_next(node_next(node_next(p))); pid = getid(p) -- p must be glyph_node - end - if pid==id_glyph then - repeat - if find_first_char then - first_char = p; find_first_char = false - end - last_char = p; found_visible_node = true; p=node_next(p) - if (not p) or p==box_end then - return found_visible_node - end - until getid(p)~=id_glyph - pid = getid(p) -- p must be non-nil - end - if pid==id_kern then - local pa = get_attr_icflag(p) - if pa==IC_PROCESSED then - -- do nothing - elseif getsubtype(p)==2 then - p = node_next(node_next(p)); - -- Note that another node_next will be executed outside this if-statement. - else - found_visible_node = true - find_first_char = false; last_char = nil - end - elseif pid==id_hlist then - if PACKED == get_attr_icflag(p) then - local s = ltjd_glyph_from_packed(p) - if find_first_char then - first_char = s; find_first_char = false - end - last_char = s; found_visible_node = true - else - if getfield(p, 'shift')==0 then - last_char = nil - if check_box(getlist(p), nil) then found_visible_node = true end - else - find_first_char = false; last_char = nil - end - end - elseif pid==id_math then - if find_first_char then - first_char = p; find_first_char = false - end - last_char = p; found_visible_node = true - elseif pid==id_rule and get_attr_icflag(p)==PACKED then - -- do nothing - elseif not (pid==id_ins or pid==id_mark - or pid==id_adjust or pid==id_whatsit - or pid==id_penalty) then - found_visible_node = true - find_first_char = false; last_char = nil - end - p = node_next(p) - end - return found_visible_node -end - -function check_box_high(Nx, box_ptr, box_end) - first_char = nil; last_char = nil; find_first_char = true - if check_box(box_ptr, box_end) then - local first_char = first_char - if first_char then - if getid(first_char)==id_glyph then - if getfield(first_char, 'lang') == lang_ja then - set_np_xspc_jachar_hbox(Nx, first_char) - else - set_np_xspc_alchar(Nx, getchar(first_char),first_char, 1) - end - else -- math_node - set_np_xspc_alchar(Nx, -1,first_char) - end - end - end - return last_char -end -end --------------------- Np の計算と情報取得 - -luatexbase.create_callback("luatexja.jfmglue.whatsit_getinfo", "data", - function (Np, lp, Nq) - if Np.nuc then return Np - else - return Np -- your code - end - end) -luatexbase.create_callback("luatexja.jfmglue.whatsit_after", "data", - function (stat, Nq, Np) return false end) - --- calc next Np -local calc_np -do - -local traverse = Dnode.traverse -local function check_next_ickern(lp) - if lp and getid(lp) == id_kern and ITALIC == get_attr_icflag(lp) then - set_attr(lp, attr_icflag, IC_PROCESSED) - Np.last = lp; return node_next(lp) - else - Np.last = Np.nuc; return lp - end -end - -local function calc_np_pbox(lp, last) - local first, lpa, nc = (not Np.first), KINSOKU, nil - Np.first = Np.first or lp; Np.id = id_pbox - set_attr(lp, attr_icflag, get_attr_icflag(lp)); - while lp ~=last and (lpa>=PACKED) and (lpa0) and (getfield(lp, 'depth') + y_adjust) or 0 - setfield(lp, 'yoffset', getfield(lp, 'yoffset') - y_adjust) - lp = node_next(lp) - for lx in traverse(lp) do - local lai = get_attr_icflag(lx) - if lx==last or lai>=PACKED then - lp=lx; break - else - local lid = getid(lx) - if lid==id_glyph and getfield(lx, 'lang') ~= lang_ja then - -- 欧文文字 - last_glyph = lx; set_attr(lx, attr_icflag, PROCESSED); Np.last = lx - y_adjust = has_attr(lx,attr_ablshift) or 0 - node_depth = max(getfield(lx, 'depth') + min(y_adjust, 0), node_depth) - adj_depth = (y_adjust>0) and max(getfield(lx, 'depth') + y_adjust, adj_depth) or adj_depth - setfield(lx, 'yoffset', getfield(lx, 'yoffset') - y_adjust) - elseif lid==id_kern then - local ls = getsubtype(lx) - if ls==2 then -- アクセント用の kern - set_attr(lx, attr_icflag, PROCESSED) - lx = node_next(lx) -- lp: アクセント本体 - setfield(lx, 'yoffset', getfield(lp, 'yoffset') - (has_attr(lx,attr_ablshift) or 0)) - lx = node_next(node_next(lx)) - elseif ls==0 then - Np.last = lx - elseif (ls==1 and lai==ITALIC) then - Np.last = lx; set_attr(lx, attr_icflag, IC_PROCESSED) - else - lp=lx; break - end - else - lp=lx; break - end - end - end - local r - if adj_depth>node_depth then - r = node_new(id_rule) - setfield(r, 'width', 0); setfield(r, 'height', 0) - setfield(r, 'depth',adj_depth); setfield(r, 'dir', tex_dir) - set_attr(r, attr_icflag, PROCESSED) - end - if last_glyph then - Np.last_char = last_glyph - if r then insert_after(head, first_glyph, r) end - else - local npn = Np.nuc - Np.last_char = npn - if r then - local nf, nc = getfont(npn), getchar(npn) - local ct = (font.getfont(nf) or font.fonts[nf] ).characters[nc] - if not ct then -- variation selector - node_free(r) - elseif (ct.left_protruding or 0) == 0 then - head = insert_before(head, npn, r) - Np.first = (Np.first==npn) and r or npn - elseif (ct.right_protruding or 0) == 0 then - insert_after(head, npn, r); Np.last, lp = r, r - else - ltjb.package_warning_no_line( - 'luatexja', - 'Check depth of glyph node ' .. tostring(npn) .. '(font=' .. nf - .. ', char=' .. nc .. '), because its \\lpcode is ' .. tostring(ct.left_protruding) - .. ' and its \\rpcode is ' .. tostring(ct.right_protruding) - ); node_free(r) - end - end - end - return true, lp - end -end -local calc_np_auxtable = { - [id_glyph] = calc_np_aux_glyph_common, - [id_hlist] = function(lp) - local op, flag - head, lp, op, flag = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm hlist') - set_attr(op, attr_icflag, PROCESSED) - Np.first = Np.first or op; Np.last = op; Np.nuc = op; - if (flag or getfield(op, 'shift')~=0) then - Np.id = id_box_like - else - Np.id = id_hlist - Np.last_char = check_box_high(Np, getlist(op), nil) - end - return true, lp - end, - [id_vlist] = function(lp) - local op - head, lp, op = ltjd_make_dir_whatsit(head, lp, list_dir, 'jfm:' .. getid(lp)) - Np.first = Np.first or op; Np.last = op; Np.nuc = op; - Np.id = id_box_like; - return true, lp - end, - box_like = function(lp) - Np.first = Np.first or lp; Np.last = lp; Np.nuc = lp; - Np.id = id_box_like; - return true, node_next(lp) - end, - skip = function(lp) - set_attr(lp, attr_icflag, PROCESSED) - return false, node_next(lp) - end, - [id_whatsit] = function(lp) - local lps = getsubtype(lp) - if lps==sid_user then - if getfield(lp, 'user_id')==luatexja.userid_table.IHB then - local lq = node_next(lp); - head = node_remove(head, lp); node_free(lp); non_ihb_flag = false - return false, lq; - else - set_attr(lp, attr_icflag, PROCESSED) - luatexbase.call_callback("luatexja.jfmglue.whatsit_getinfo", - Np, lp, Nq) - if Np.nuc then - Np.id = id_pbox_w; Np.first = Np.nuc; Np.last = Np.nuc; - return true, node_next(lp) - else - return false, node_next(lp) - end - end - else - -- we do special treatment for these whatsit nodes. - if lps == sid_start_link or lps == sid_start_thread then - Np.first = lp - elseif lps == sid_end_link or lps == sid_end_thread then - Np.first, Nq.last = nil, lp; - end - set_attr(lp, attr_icflag, PROCESSED) - return false, node_next(lp) - end - end, - [id_math] = function(lp) - Np.first, Np.nuc = (Np.first or lp), lp; - set_attr(lp, attr_icflag, PROCESSED) - set_np_xspc_alchar(Np, -1, lp) - local end_math = node_end_of_math(lp) - ltjw_apply_ashift_math(lp, end_math, attr_ablshift) - set_attr(end_math, attr_icflag, PROCESSED) - Np.last, Np.id = end_math, id_math; - return true, node_next(end_math); - end, - [id_glue] = function(lp) - Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp; - Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED) - return true, node_next(lp) - end, - [id_disc] = function(lp) - Np.first, Np.nuc, Np.last = (Np.first or lp), lp, lp; - Np.id = getid(lp); set_attr(lp, attr_icflag, PROCESSED) - ltjw_apply_ashift_disc(lp, (list_dir==dir_tate), tex_dir) - Np.last_char = check_box_high(Np, getfield(lp, 'replace'), nil) - return true, node_next(lp) - end, - [id_kern] = function(lp) - if getsubtype(lp)==2 then - Np.first = Np.first or lp - set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp) - set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp) - set_attr(lp, attr_icflag, PROCESSED); lp = node_next(lp) - set_attr(lp, attr_icflag, PROCESSED); - return calc_np_aux_glyph_common(lp) - else - Np.first = Np.first or lp - Np.id = id_kern; set_attr(lp, attr_icflag, PROCESSED) - Np.last = lp; return true, node_next(lp) - end - end, - [id_penalty] = function(lp) - Bp[#Bp+1] = lp; set_attr(lp, attr_icflag, PROCESSED) - return false, node_next(lp) - end, -} -calc_np_auxtable[id_rule] = calc_np_auxtable.box_like -calc_np_auxtable[13] = calc_np_auxtable.box_like -calc_np_auxtable[id_ins] = calc_np_auxtable.skip -calc_np_auxtable[id_mark] = calc_np_auxtable.skip -calc_np_auxtable[id_adjust] = calc_np_auxtable.skip - -function calc_np(last, lp) - local k - -- We assume lp = node_next(Np.last) - Np, Nq, non_ihb_flag = Nq, Np, true - -- We clear `predefined' entries of Np before pairs() loop, - -- because using only pairs() loop is slower. - Np.post, Np.pre, Np.xspc = nil, nil, nil - Np.first, Np.id, Np.last, Np.met, Np.class= nil, nil, nil, nil - Np.auto_kspc, Np.auto_xspc, Np.char, Np.nuc = nil, nil, nil, nil - for k in pairs(Np) do Np[k] = nil end - - for k = 1,#Bp do Bp[k] = nil end - while lp ~= last do - local lpa = has_attr(lp, attr_icflag) or 0 - -- unbox 由来ノードの検出 - if lpa>=PACKED then - if lpa%PROCESSED_BEGIN_FLAG == BOXBDD then - local lq = node_next(lp) - head = node_remove(head, lp); node_free(lp); lp = lq - else - return calc_np_pbox(lp, last) - end -- id_pbox - else - k, lp = calc_np_auxtable[getid(lp)](lp) - if k then return lp end - end - end - Np=nil -end -end - --- extract informations from Np --- We think that "Np is a Japanese character" if Np.met~=nil, --- "Np is an alphabetic character" if Np.pre~=nil, --- "Np is not a character" otherwise. -after_hlist = nil -- global -local after_alchar, extract_np -do - local PRE = luatexja.stack_table_index.PRE - local POST = luatexja.stack_table_index.POST - local KCAT = luatexja.stack_table_index.KCAT - local XSP = luatexja.stack_table_index.XSP - local dir_tate = luatexja.dir_table.dir_tate - --- 和文文字のデータを取得 - local attr_jchar_class = luatexbase.attributes['ltj@charclass'] - local attr_jchar_code = luatexbase.attributes['ltj@charcode'] - local attr_autospc = luatexbase.attributes['ltj@autospc'] - local attr_autoxspc = luatexbase.attributes['ltj@autoxspc'] - --local ltjf_get_vert_glyph = ltjf.get_vert_glyph - function set_np_xspc_jachar(Nx, x) - local m = ltjf_font_metric_table[getfont(x)] - local c, c_glyph = ltjs_orig_char_table[x], getchar(x) - c = c or c_glyph - local cls = slow_find_char_class(c, m, c_glyph) - Nx.met, Nx.class, Nx.char = m, cls, c; - if cls~=0 then set_attr(x, attr_jchar_class, cls) end - if c~=c_glyph then set_attr(x, attr_jchar_code, c) end - Nx.pre = table_current_stack[PRE + c] or 0 - Nx.post = table_current_stack[POST + c] or 0 - Nx.xspc = table_current_stack[XSP + c] or 3 - Nx.kcat = table_current_stack[KCAT + c] or 0 - Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1) - return m, cls - end - function set_np_xspc_jachar_hbox(Nx, x) - local m = ltjf_font_metric_table[getfont(x)] - local c = has_attr(x, attr_jchar_code) or getchar(x) - Nx.met, Nx.char = m, c; Nx.class = has_attr(x, attr_jchar_class) or 0; - Nx.pre = table_current_stack[PRE + c] or 0 - Nx.post = table_current_stack[POST + c] or 0 - Nx.xspc = table_current_stack[XSP + c] or 3 - Nx.kcat = table_current_stack[KCAT + c] or 0 - Nx.auto_kspc, Nx.auto_xspc = (has_attr(x, attr_autospc)==1), (has_attr(x, attr_autoxspc)==1) - end - --- 欧文文字のデータを取得 - local floor = math.floor - function set_np_xspc_alchar(Nx, c,x, lig) - if c~=-1 then - local f = (lig ==1) and nullfunc or node_tail - local xc, xs = getfield(x, 'components'), getsubtype(x) - while xc and xs and xs%4>=2 do - x = f(xc); xc, xs = getfield(x, 'components'), getsubtype(x) - end - c = getchar(x) - Nx.pre = table_current_stack[PRE + c] or 0 - Nx.post = table_current_stack[POST + c] or 0 - Nx.xspc = table_current_stack[XSP + c] or 3 - else - Nx.pre, Nx.post = 0, 0 - Nx.xspc = table_current_stack[XSP - 1] or 3 - end - Nx.met = nil - Nx.auto_xspc = (has_attr(x, attr_autoxspc)==1) - end - local set_np_xspc_alchar = set_np_xspc_alchar - - -- change the information for the next loop - -- (will be done if Nx is an alphabetic character or a hlist) - after_hlist = function (Nx) - local s = Nx.last_char - if s then - if getid(s)==id_glyph then - if getfield(s, 'lang') == lang_ja then - set_np_xspc_jachar_hbox(Nx, s) - else - set_np_xspc_alchar(Nx, getchar(s), s, 2) - end - else - set_np_xspc_alchar(Nx, -1, s) - end - else - Nx.pre, Nx.met = nil, nil - end - end - - after_alchar = function (Nx) - local x = Nx.last_char - return set_np_xspc_alchar(Nx, getchar(x), x, 2) - end - -end - --------------------- 最下層の処理 - --- change penalties (or create a new penalty, if needed) -local function handle_penalty_normal(post, pre, g) - local a = (pre or 0) + (post or 0) - if #Bp == 0 then - if (a~=0 and not(g and getid(g)==id_kern)) then - local p = node_new(id_penalty) - if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end - setfield(p, 'penalty', a) - head = insert_before(head, Np.first, p) - Bp[1]=p; - set_attr(p, attr_icflag, KINSOKU) - end - else for _, v in pairs(Bp) do add_penalty(v,a) end - end -end - -local function handle_penalty_always(post, pre, g) - local a = (pre or 0) + (post or 0) - if #Bp == 0 then - if not (g and getid(g)==id_glue) or a~=0 then - local p = node_new(id_penalty) - if a<-10000 then a = -10000 elseif a>10000 then a = 10000 end - setfield(p, 'penalty', a) - head = insert_before(head, Np.first, p) - Bp[1]=p - set_attr(p, attr_icflag, KINSOKU) - end - else for _, v in pairs(Bp) do add_penalty(v,a) end - end -end - -local function handle_penalty_suppress(post, pre, g) - local a = (pre or 0) + (post or 0) - if #Bp == 0 then - if g and getid(g)==id_glue then - local p = node_new(id_penalty) - setfield(p, 'penalty', 10000); head = insert_before(head, Np.first, p) - Bp[1]=p - set_attr(p, attr_icflag, KINSOKU) - end - else for _, v in pairs(Bp) do add_penalty(v,a) end - end -end - --- 和文文字間の JFM glue を node 化 -local function new_jfm_glue(m, bc, ac) --- bc, ac: char classes - local g = m.char_type[bc][ac] - if g then - if g[1] then - local f = node_new(id_glue) - set_attr(f, attr_icflag, g[4]) - setfield(f, 'spec', node_copy(g[2])) - return f, g[3] - else - return node_copy(g[2]), g[3] - end - end - return nil, 0 -end - --- Nq.last (kern w) .... (glue/kern g) Np.first -local function real_insert(g) - if g then - head = insert_before(head, Np.first, g) - Np.first = g - end -end - - --------------------- 和文文字間空白量の決定 -local null_skip_table = {0, 0, 0} --- get kanjiskip -local get_kanjiskip -local get_kanjiskip_normal, get_kanjiskip_jfm -do - local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP - local KANJI_SKIP_JFM = luatexja.icflag_table.KANJI_SKIP_JFM - get_kanjiskip_normal = function () - if Np.auto_kspc or Nq.auto_kspc then - return node_copy(kanji_skip) - else - local g = node_copy(zero_glue) - set_attr(g, attr_icflag, KANJI_SKIP) - return g - end - end - - get_kanjiskip_jfm = function () - local g - if Np.auto_kspc or Nq.auto_kspc then - g = node_new(id_glue); --copy_attr(g, Nq.nuc) - local gx = node_new(id_glue_spec); - setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0) - local pm, qm = Np.met, Nq.met - local bk = qm.kanjiskip or null_skip_table - if (pm.char_type==qm.char_type) and (qm.var==pm.var) then - setfield(gx, 'width', bk[1]) - setfield(gx, 'stretch', bk[2]) - setfield(gx, 'shrink', bk[3]) - else - local ak = pm.kanjiskip or null_skip_table - setfield(gx, 'width', round(diffmet_rule(bk[1], ak[1]))) - setfield(gx, 'stretch', round(diffmet_rule(bk[2], ak[2]))) - setfield(gx, 'shrink', -round(diffmet_rule(-bk[3], -ak[3]))) - end - setfield(g, 'spec', gx) - else - g = node_copy(zero_glue) - end - set_attr(g, attr_icflag, KANJI_SKIP_JFM) - return g - end -end - -local calc_ja_ja_aux -do - local bg_ag = 2*id_glue - id_glue - local bg_ak = 2*id_glue - id_kern - local bk_ag = 2*id_kern - id_glue - local bk_ak = 2*id_kern - id_kern - - calc_ja_ja_aux = function (gb,ga, db, da) - local rbb, rab = 0.5*(1-db), 0.5*(1-da) -- 「前の文字」由来のグルーの割合 - local rba, raa = 0.5*(1+db), 0.5*(1+da) -- 「前の文字」由来のグルーの割合 - if diffmet_rule ~= math.two_pleft and diffmet_rule ~= math.two_pright - and diffmet_rule ~= math.two_paverage then - rbb, rab, rba, raa = 1,0,0,1 - end - if not gb then - if ga then - gb = node_new(id_kern); setfield(gb, 'kern', 0) - else return nil end - elseif not ga then - ga = node_new(id_kern); setfield(ga, 'kern', 0) - end - - local k = 2*getid(gb) - getid(ga) - if k == bg_ag then - local bs, as = getfield(gb, 'spec'), getfield(ga, 'spec') - -- 両方とも glue． - local bd, ad = getfield(bs, 'width'), getfield(as, 'width') - setfield(bs, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad))) - bd, ad = getfield(bs, 'stretch'), getfield(as, 'stretch') - setfield(bs, 'stretch', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad))) - bd, ad = getfield(bs, 'shrink'), getfield(as, 'shrink') - setfield(bs, 'shrink', -round(diffmet_rule(-rbb*bd - rba*ad, -rab*bd - raa*ad))) - node_free(ga) - return gb - elseif k == bk_ak then - -- 両方とも kern． - local bd, ad = getfield(gb, 'kern'), getfield(ga, 'kern') - setfield(gb, 'kern', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad))) - node_free(ga) - return gb - elseif k == bk_ag then - local as = getfield(ga, 'spec') - -- gb: kern, ga: glue - local bd, ad = getfield(gb, 'kern'), getfield(as, 'width') - setfield(as, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad))) - ad = getfield(as, 'stretch') - setfield(bs, 'stretch', round(diffmet_rule(rba*ad, raa*ad))) - ad = getfield(as, 'shrink') - setfield(bs, 'shrink', -round(diffmet_rule(-rba*ad, -raa*ad))) - node_free(gb) - return ga - else - local bs = getfield(gb, 'spec') - -- gb: glue, ga: kern - local bd, ad = getfield(bs, 'width'), getfield(ga, 'kern') - setfield(bs, 'width', round(diffmet_rule(rbb*bd + rba*ad, rab*bd + raa*ad))) - bd = getfield(bs, 'stretch') - setfield(bs, 'stretch', round(diffmet_rule(rbb*bd, rab*bd))) - bd = getfield(bs, 'shrink') - setfield(bs, 'shrink', -round(diffmet_rule(-rbb*bd, -rab*bd))) - node_free(ga) - return gb - end - end -end - -local function calc_ja_ja_glue() - local qm, pm = Nq.met, Np.met - if (qm.char_type==pm.char_type) and (qm.var==pm.var) then - return new_jfm_glue(qm, Nq.class, Np.class) - else - local npn, nqn = Np.nuc, Nq.nuc - local gb, db = new_jfm_glue(qm, Nq.class, - slow_find_char_class(Np.char, - qm, getchar(npn))) - local ga, da = new_jfm_glue(pm, - slow_find_char_class(Nq.char, - pm, getchar(nqn)), - Np.class) - return calc_ja_ja_aux(gb, ga, db, da); - end -end - --------------------- 和欧文間空白量の決定 - --- get xkanjiskip -local get_xkanjiskip -local get_xkanjiskip_normal, get_xkanjiskip_jfm -do - local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP - local XKANJI_SKIP_JFM = luatexja.icflag_table.XKANJI_SKIP_JFM - get_xkanjiskip_normal = function (Nn) - if (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then - return node_copy(xkanji_skip) - else - local g = node_copy(zero_glue) - set_attr(g, attr_icflag, XKANJI_SKIP) - return g - end - end - get_xkanjiskip_jfm = function (Nn) - local g - if (Nq.xspc>=2) and (Np.xspc%2==1) and (Nq.auto_xspc or Np.auto_xspc) then - g = node_new(id_glue) - local gx = node_new(id_glue_spec); - setfield(gx, 'stretch_order', 0); setfield(gx, 'shrink_order', 0) - local bk = Nn.met.xkanjiskip or null_skip_table - setfield(gx, 'width', bk[1]) - setfield(gx, 'stretch', bk[2]) - setfield(gx, 'shrink', bk[3]) - setfield(g, 'spec', gx) - else - g = node_copy(zero_glue) - end - set_attr(g, attr_icflag, XKANJI_SKIP_JFM) - return g - end -end - --------------------- 隣接した「塊」間の処理 - -local function get_OA_skip() - local pm = Np.met - return new_jfm_glue(pm, - fast_find_char_class((Nq.id == id_math and -1 or 'jcharbdd'), pm), Np.class) -end -local function get_OB_skip() - local qm = Nq.met - return new_jfm_glue(qm, Nq.class, - fast_find_char_class((Np.id == id_math and -1 or'jcharbdd'), qm)) -end - --- (anything) .. jachar -local function handle_np_jachar(mode) - local qid = Nq.id - if qid==id_jglyph or ((qid==id_pbox or qid==id_pbox_w) and Nq.met) then - local g = non_ihb_flag and calc_ja_ja_glue() or get_kanjiskip() -- M->K - handle_penalty_normal(Nq.post, Np.pre, g); real_insert(g) - elseif Nq.met then -- qid==id_hlist - local g = non_ihb_flag and get_OA_skip() or get_kanjiskip() -- O_A->K - handle_penalty_normal(0, Np.pre, g); real_insert(g) - elseif Nq.pre then - local g = non_ihb_flag and get_OA_skip() or get_xkanjiskip(Np) -- O_A->X - handle_penalty_normal((qid==id_hlist and 0 or Nq.post), Np.pre, g); real_insert(g) - else - local g = non_ihb_flag and get_OA_skip() -- O_A - if qid==id_glue then handle_penalty_normal(0, Np.pre, g) - elseif qid==id_kern then handle_penalty_suppress(0, Np.pre, g) - else handle_penalty_always(0, Np.pre, g) - end - real_insert(g) - end - if mode and Np.kcat%2~=1 then - widow_Np.first, widow_Bp, Bp = Np.first, Bp, widow_Bp - end -end - - --- jachar .. (anything) -local function handle_nq_jachar() - if Np.pre then - local g = non_ihb_flag and get_OB_skip() or get_xkanjiskip(Nq) -- O_B->X - handle_penalty_normal(Nq.post, (Np.id==id_hlist and 0 or Np.pre), g); real_insert(g) - else - local g =non_ihb_flag and get_OB_skip() -- O_B - if Np.id==id_glue then handle_penalty_normal(Nq.post, 0, g) - elseif Np.id==id_kern then handle_penalty_suppress(Nq.post, 0, g) - else handle_penalty_always(Nq.post, 0, g) - end - real_insert(g) - end -end - --- (anything) .. (和文文字で始まる hlist) -local function handle_np_ja_hlist() - local qid = Nq.id - if qid==id_jglyph or ((qid==id_pbox or Nq.id == id_pbox_w) and Nq.met) then - local g = non_ihb_flag and get_OB_skip() or get_kanjiskip() -- O_B->K - handle_penalty_normal(Nq.post, 0, g); real_insert(g) - elseif Nq.met then -- Nq.id==id_hlist - local g = get_kanjiskip() -- K - handle_penalty_suppress(0, 0, g); real_insert(g) - elseif Nq.pre then - local g = get_xkanjiskip(Np) -- X - handle_penalty_suppress(0, 0, g); real_insert(g) - end -end - --- (和文文字で終わる hlist) .. (anything) -local function handle_nq_ja_hlist() - if Np.pre then - local g = get_xkanjiskip(Nq) -- X - handle_penalty_suppress(0, 0, g); real_insert(g) - end -end - - --- Nq が前側のクラスタとなることによる修正 -do - local adjust_nq_aux = { - [id_glyph] = function() after_alchar(Nq) end, -- after_alchar(Nq) - [id_hlist] = function() after_hlist(Nq) end, - [id_pbox] = function() after_hlist(Nq) end, - [id_disc] = function() after_hlist(Nq) end, - [id_pbox_w] = function() - luatexbase.call_callback("luatexja.jfmglue.whatsit_after", - false, Nq, Np) - end, - } - - function adjust_nq() - local x = adjust_nq_aux[Nq.id] - if x then x() end - end -end - - --------------------- 開始・終了時の処理 -do - --- リスト末尾の処理 -local JWP = luatexja.stack_table_index.JWP -local function handle_list_tail(mode) - adjust_nq(); Np = Nq - if mode then - -- the current list is to be line-breaked. - -- Insert \jcharwidowpenalty - Bp = widow_Bp; Np = widow_Np - if Np.first then - handle_penalty_normal(0, table_current_stack[JWP] or 0) - end - else - -- the current list is the contents of a hbox - local npi, pm = Np.id, Np.met - if npi == id_jglyph or (npi==id_pbox and pm) then - local g = new_jfm_glue(pm, Np.class, fast_find_char_class('boxbdd', pm)) - if g then - set_attr(g, attr_icflag, BOXBDD) - head = insert_after(head, Np.last, g) - end - end - end -end - --- リスト先頭の処理 -local function handle_list_head(par_indented) - local npi, pm = Np.id, Np.met - if npi == id_jglyph or (npi==id_pbox and pm) then - if non_ihb_flag then - local g = new_jfm_glue(pm, fast_find_char_class(par_indented, pm), Np.class) - if g then - set_attr(g, attr_icflag, BOXBDD) - if getid(g)==id_glue and #Bp==0 then - local h = node_new(id_penalty) - setfield(h, 'penalty', 10000); set_attr(h, attr_icflag, BOXBDD) - end - head = insert_before(head, Np.first, g) - end - end - end -end - --- initialize --- return value: (the initial cursor lp), (last node) -local init_var -do - local KANJI_SKIP = luatexja.icflag_table.KANJI_SKIP - local XKANJI_SKIP = luatexja.icflag_table.XKANJI_SKIP - local KSK = luatexja.stack_table_index.KSK - local XSK = luatexja.stack_table_index.XSK - local dir_yoko = luatexja.dir_table.dir_yoko - local dir_tate = luatexja.dir_table.dir_tate - local attr_yablshift = luatexbase.attributes['ltj@yablshift'] - local attr_tablshift = luatexbase.attributes['ltj@tablshift'] - local table_pool = { - {}, {}, {first=nil}, - { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil, - first=nil, id=nil, last=nil, met=nil, nuc=nil, - post=nil, pre=nil, xspc=nil, }, - { auto_kspc=nil, auto_xspc=nil, char=nil, class=nil, - first=nil, id=nil, last=nil, met=nil, nuc=nil, - post=nil, pre=nil, xspc=nil, }, - } - init_var = function (mode,dir) - -- 1073741823: max_dimen - Bp, widow_Bp, widow_Np, Np, Nq - = table_pool[1], table_pool[2], table_pool[3], table_pool[4], table_pool[5] - for i=1,5 do for j,_ in pairs(table_pool[i]) do table_pool[i][j]=nil end end - table_current_stack = ltjs.table_current_stack - - list_dir, tex_dir = (ltjs.list_dir or dir_yoko), (dir or 'TLT') - local is_dir_tate = list_dir==dir_tate - capsule_glyph = is_dir_tate and ltjw.capsule_glyph_tate or ltjw.capsule_glyph_yoko - attr_ablshift = is_dir_tate and attr_tablshift or attr_yablshift - local TEMP = node_new(id_glue) - -- TEMP is a dummy node, which will be freed at the end of the callback. - -- ithout this node, set_attr(kanji_skip, ...) somehow creates an "orphaned" attribute list. - - do - kanji_skip = node_new(id_glue); set_attr(kanji_skip, attr_icflag, KANJI_SKIP) - local s = skip_table_to_spec(KSK) - setfield(kanji_skip, 'spec', s) - get_kanjiskip = (getfield(s, 'width') == 1073741823) - and get_kanjiskip_jfm or get_kanjiskip_normal - end - - do - xkanji_skip = node_new(id_glue); set_attr(xkanji_skip, attr_icflag, XKANJI_SKIP) - local s = skip_table_to_spec(XSK) - setfield(xkanji_skip, 'spec', s) - get_xkanjiskip = (getfield(s, 'width') == 1073741823) - and get_xkanjiskip_jfm or get_xkanjiskip_normal - end - - if mode then - -- the current list is to be line-breaked: - -- hbox from \parindent is skipped. - local lp, par_indented, lpi, lps = head, 'boxbdd', getid(head), getsubtype(head) - while lp and ((lpi==id_whatsit and lps~=sid_user) - or ((lpi==id_hlist) and (lps==3))) do - if (lpi==id_hlist) and (lps==3) then - Np.char, par_indented = 'parbdd', 'parbdd' - Np.width = getfield(lp, 'width') - end - lp=node_next(lp); lpi, lps = getid(lp), getsubtype(lp) end - return lp, node_tail(head), par_indented, TEMP - else - return head, nil, 'boxbdd', TEMP - end - end -end - -local ensure_tex_attr = ltjb.ensure_tex_attr -local function cleanup(mode, TEMP) - -- adjust attr_icflag for avoiding error - if tex.getattribute(attr_icflag)~=0 then ensure_tex_attr(attr_icflag, 0) end - node_free(kanji_skip); node_free(xkanji_skip); node_free(TEMP) - - if mode then - local h = node_next(head) - if getid(h) == id_penalty and getfield(h, 'penalty') == 10000 then - h = node_next(h) - if getid(h) == id_glue and getsubtype(h) == 15 and not node_next(h) then - return false - end - end - end - return head -end --------------------- 外部から呼ばれる関数 - --- main interface -function main(ahead, mode, dir) - if not ahead then return ahead end - head = ahead; - local lp, last, par_indented, TEMP = init_var(mode,dir) - lp = calc_np(last, lp) - if Np then - handle_list_head(par_indented) - lp = calc_np(last,lp); while Np do - adjust_nq(); - local pid, pm = Np.id, Np.met - -- 挿入部 - if pid == id_jglyph then - handle_np_jachar(mode) - elseif pm then - if pid==id_hlist then handle_np_ja_hlist() - else handle_np_jachar() end - elseif Nq.met then - if Nq.id==id_hlist then handle_nq_ja_hlist() - else handle_nq_jachar() end - end - lp = calc_np(last,lp) - end - handle_list_tail(mode) - end - return cleanup(mode, TEMP) -end -end - -do - local IHB = luatexja.userid_table.IHB - local JGH = luatexja.userid_table.JGH - local BPAR = luatexja.userid_table.BPAR - local node_prev = (Dnode ~= node) and Dnode.getprev or node.prev - local node_write = Dnode.write - local scan_int = luatexja.token.scan_int - - -- \inhibitglue - function create_inhibitglue_node() - local tn = node_new(id_whatsit, sid_user) - setfield(tn, 'user_id', IHB) - setfield(tn, 'type', 100) - setfield(tn, 'value', 1) - node_write(tn) - end - - -- \ltjghost - function create_inhibitglue_node() - local tn = node_new(id_whatsit, sid_user) - setfield(tn, 'user_id', JGH) - setfield(tn, 'type', 100) - setfield(tn, 'value', scan_int()) - node_write(tn) - end - - -- Node for indicating beginning of a paragraph - -- (for ltjsclasses) - function create_beginpar_node() - local tn = node_new(id_whatsit, sid_user) - setfield(tn, 'user_id', BPAR) - setfield(tn, 'type', 100) - setfield(tn, 'value', 1) - node_write(tn) - end - - local function whatsit_callback(Np, lp, Nq) - if Np and Np.nuc then return Np - elseif Np and getfield(lp, 'user_id') == BPAR then - Np.first = lp; Np.nuc = lp; Np.last = lp - return Np - elseif Np and getfield(lp, 'user_id') == JGH then - Nq.first = lp; Np.nuc = lp; Np.last = lp - Np.met, Np.pre, Np.post = Nq.met, 0, 0 - return Np - end - end - - local function whatsit_after_callback(s, Nq, Np) - if not s then - if getfield(Nq.nuc, 'user_id') == BPAR then - local x, y = node_prev(Nq.nuc), Nq.nuc - Nq.first, Nq.nuc, Nq.last = x, x, x - if Np then - if Np.met then - Nq.class = fast_find_char_class('parbdd', Np.met) - end - Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0 - Nq.auto_xspc = false - end - head = node_remove(head, y) - node_free(y) - elseif getfield(Nq.nuc, 'user_id') == JGH then - local x, y = node_prev(Nq.nuc), Nq.nuc - Nq.first, Nq.nuc, Nq.last = x, x, x - if Np then - if Np.met then - Nq.class = fast_find_char_class('parbdd', Np.met) - end - Nq.met = Np.met; Nq.pre = 0; Nq.post = 0; Nq.xspc = 0 - Nq.auto_xspc = false - end - head = node_remove(head, y) - node_free(y) - return Np - end - end - return s - end - - luatexbase.add_to_callback("luatexja.jfmglue.whatsit_getinfo", whatsit_callback, - "luatexja.beginpar.np_info", 1) - luatexbase.add_to_callback("luatexja.jfmglue.whatsit_after", whatsit_after_callback, - "luatexja.beginpar.np_info_after", 1) - -end \ No newline at end of file -- 2.11.0