From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001 From: Norbert Preining Date: Mon, 2 Sep 2019 13:46:59 +0900 Subject: Initial commit --- macros/luatex/generic/luatexja/src/luatexja.lua | 601 ++++++++++++++++++++++++ 1 file changed, 601 insertions(+) create mode 100644 macros/luatex/generic/luatexja/src/luatexja.lua (limited to 'macros/luatex/generic/luatexja/src/luatexja.lua') diff --git a/macros/luatex/generic/luatexja/src/luatexja.lua b/macros/luatex/generic/luatexja/src/luatexja.lua new file mode 100644 index 0000000000..4a4de62b0d --- /dev/null +++ b/macros/luatex/generic/luatexja/src/luatexja.lua @@ -0,0 +1,601 @@ + +require('lualibs') +tableunpack = table.unpack + +------------------------------------------------------------------------ +local function load_lua(fn) + local found = kpse.find_file(fn, 'tex') + if not found then + tex.error("LuaTeX-ja error: File `" .. fn .. "' not found") + else + texio.write_nl('(' .. found .. ')') + dofile(found) + end +end +luatexja.load_lua = load_lua +function luatexja.load_module(name) + require('ltj-' .. name.. '.lua') +end + +do + local setfield = node.direct.setfield + luatexja.setglue = node.direct.setglue or + function(g,w,st,sh,sto,sho) + setfield(g,'width', w or 0) + setfield(g,'stretch',st or 0) + setfield(g,'shrink', sh or 0) + setfield(g,'stretch_order',sto or 0) + setfield(g,'shrink_order', sho or 0) + end + local getfield = node.direct.getfield + luatexja.getglue = node.direct.getglue or + function(g) + return getfield(g,'width'), + getfield(g,'stretch'), + getfield(g,'shrink'), + getfield(g,'stretch_order'), + getfield(g,'shrink_order') + 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 +-- FROM_JFM: 4, 5, 6, 7, 8 →優先度高(伸びやすく,縮みやすい) +-- 6 が標準 +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.PROCESSED_BEGIN_FLAG = 4096 -- sufficiently large power of 2 + +local stack_table_index = {} +luatexja.stack_table_index = stack_table_index +stack_table_index.PRE = 0x200000 -- characterごと +stack_table_index.POST = 0x400000 -- characterごと +stack_table_index.KCAT = 0x600000 -- characterごと +stack_table_index.XSP = 0x800000 -- characterごと +stack_table_index.RIPRE = 0xA00000 -- characterごと,ruby pre +stack_table_index.RIPOST = 0xC00000 -- characterごと,ruby post +stack_table_index.JWP = 0 -- これだけ +stack_table_index.KSK = 1 -- これだけ +stack_table_index.XSK = 2 -- これだけ +stack_table_index.MJT = 0x100 -- 0--255 +stack_table_index.MJS = 0x200 -- 0--255 +stack_table_index.MJSS = 0x300 -- 0--255 +stack_table_index.KSJ = 0x400 -- 0--9 + +local userid_table = {} +luatexja.userid_table = userid_table +userid_table.IHB = luatexbase.newuserwhatsitid('inhibitglue', 'luatexja') -- \inhibitglue +userid_table.STCK = luatexbase.newuserwhatsitid('stack_marker', 'luatexja') -- スタック管理 +userid_table.BPAR = luatexbase.newuserwhatsitid('begin_par', 'luatexja') -- 「段落始め」 +userid_table.DIR = luatexbase.newuserwhatsitid('direction', 'luatexja') -- 組方向 +userid_table.BOXB = luatexbase.newuserwhatsitid('box_boundary', 'luatexja') -- 「ボックス始め・終わり」 +userid_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 +load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st + +if luatexja_debug then load_module('debug') end + +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, bollowed from tex.web + +local unity=65536 +local floor = math.floor + +local function print_scaled(s) + local out='' + local delta=10 + if s<0 then + out=out..'-'; s=-s + end + out=out..tostring(floor(s/unity)) .. '.' + s=10*(s%unity)+5 + repeat + if delta>unity then s=s+32768-50000 end + out=out .. tostring(floor(s/unity)) + s=10*(s%unity) + 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)..'pt' + if p.stretch~=0 then + out=out..' plus '..print_glue(p.stretch,p.stretch_order) + end + if p.shrink~=0 then + out=out..' minus '..print_glue(p.shrink,p.shrink_order) + end +return out +end + + +------------------------------------------------------------------------ +-- CODE FOR GETTING/SETTING PARAMETERS +------------------------------------------------------------------------ + +-- EXT: print parameters that don't need arguments +do + local tex_getattr = tex.getattribute + local function getattr(a) + local r = tex.getattribute(a) + return (r==-0x7FFFFFFF) and 0 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_table_index.KSK, t)) + end, + xkanjiskip = function(t) + return print_spec(ltjs.get_stack_skip(stack_table_index.XSK, t)) + end, + jcharwidowpenalty = function(t) + return ltjs.get_stack_table(stack_table_index.JWP, 0, t) + end, + autospacing = function(t) + return getattr('ltj@autospc') + end, + autoxspacing = function(t) + return getattr('ltj@autoxspc') + 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(tex.nest[tex.nest.ptr].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 + function luatexja.ext_get_parameter_unary(k) + if unary_pars[k] then + tex.write(tostring(unary_pars[k](tex.getcount('ltj@@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 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 + + binary_pars.alxspmode = binary_pars.jaxspmode + function luatexja.ext_get_parameter_binary(k,c) + if binary_pars[k] then + tex.write(tostring(binary_pars[k](c,tex.getcount('ltj@@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 + + -- 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 + --luatexja.ext_show_node_list(head, 'T> ', print) + start_time_measure('jfmglue') + 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 + +-- cleanup process +function luatexja.ext_cleanup() + ltjf.cleanup_size_cache() + ltjd.remove_end_whatsit() +end + + +-- lastnodechar +do + local id_glyph = node.id('glyph') + function luatexja.pltx_composite_last_node_char() + local n = tex.nest[tex.nest.ptr].tail + local r = '-1' + if n then + if n.id==id_glyph then + while n.componetns and n.subtype and n.subtype%4 >= 2 do + n = node.tail(n) + end + r = tostring(n.char) + end + end + tex.sprint(r) + end +end + +-- debug + +do + +local node_type = node.type +local node_next = node.next +local has_attr = node.has_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 function get_attr_icflag(p) + return (has_attr(p, attr_icflag) or 0) % icflag_table.PROCESSED_BEGIN_FLAG +end + +local prefix, inner_depth +local utfchar = utf.char +local function debug_show_node_X(p,print_fn, limit) + local k = prefix + local s + local pt=node_type(p.id) + local base = prefix .. string.format('%X', get_attr_icflag(p)) + .. ' ' .. pt .. ' ' .. tostring(p.subtype) .. ' ' + if pt == 'glyph' then + s = base .. ' ' .. + (p.char>=0xF0000 and string.format('(U+%X)', p.char) or utfchar(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.has_attribute(p, attr_dir)) + else + s = base .. '(' .. print_scaled(p.height) .. '+' + .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) + .. ', dir=' .. tostring(node.has_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 get_attr_icflag(p) == 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) + 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.has_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) + end + prefix = k.. 'P.' + for q in node.traverse(p.post) do + debug_show_node_X(q, print_fn, limit) + end + prefix = k.. 'R.' + for q in node.traverse(p.replace) do + debug_show_node_X(q, print_fn, limit) + end + end + prefix=k + elseif pt == 'glue' then + s = base .. ' ' .. print_spec(p) + if get_attr_icflag(p)>icflag_table.KINSOKU + and get_attr_icflag(p)icflag_table.KINSOKU + and get_attr_icflag(p)