+++ /dev/null
---
--- luatexja/ltj-pretreat.lua
---
-
-luatexja.load_module('base'); local ltjb = luatexja.base
-luatexja.load_module('charrange'); local ltjc = luatexja.charrange
-luatexja.load_module('stack'); local ltjs = luatexja.stack
-luatexja.load_module('jfont'); local ltjf = luatexja.jfont
-luatexja.load_module('direction'); local ltjd = luatexja.direction
-
-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 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 getchar = (Dnode ~= node) and Dnode.getchar or function(n) return n.char end
-local getfield = (Dnode ~= node) and Dnode.getfield or function(n, i) return n[i] end
-local getsubtype = (Dnode ~= node) and Dnode.getsubtype or function(n) return n.subtype end
-
-local pairs = pairs
-local floor = math.floor
-local has_attr = Dnode.has_attribute
-local set_attr = Dnode.set_attribute
-local node_traverse = Dnode.traverse
-local node_remove = Dnode.remove
-local node_next = (Dnode ~= node) and Dnode.getnext or node.next
-local node_free = Dnode.free
-local node_end_of_math = Dnode.end_of_math
-local tex_getcount = tex.getcount
-
-local id_glyph = node.id('glyph')
-local id_math = node.id('math')
-local id_whatsit = node.id('whatsit')
-local sid_user = node.subtype('user_defined')
-
-local attr_dir = luatexbase.attributes['ltj@dir']
-local attr_curjfnt = luatexbase.attributes['ltj@curjfnt']
-local attr_curtfnt = luatexbase.attributes['ltj@curtfnt']
-local attr_icflag = luatexbase.attributes['ltj@icflag']
-
-local is_ucs_in_japanese_char = ltjc.is_ucs_in_japanese_char_direct
-local ltjf_get_vert_glyph = ltjf.get_vert_glyph
-local ltjf_replace_altfont = ltjf.replace_altfont
-local attr_orig_char = luatexbase.attributes['ltj@origchar']
-local STCK = luatexja.userid_table.STCK
-local DIR = luatexja.userid_table.DIR
-local PROCESSED_BEGIN_FLAG = luatexja.icflag_table.PROCESSED_BEGIN_FLAG
-
-local dir_tate = luatexja.dir_table.dir_tate
-local lang_ja = token.create('ltj@@japanese')[2]
-------------------------------------------------------------------------
--- MAIN PROCESS STEP 1: replace fonts
-------------------------------------------------------------------------
-local wt, wtd = {}, {}
-do
- local ltjd_get_dir_count = ltjd.get_dir_count
- local start_time_measure, stop_time_measure
- = ltjb.start_time_measure, ltjb.stop_time_measure
- local head
- local is_dir_tate
- local suppress_hyphenate_ja_aux = {}
- suppress_hyphenate_ja_aux[id_glyph] = function(p)
- if (has_attr(p, attr_icflag) or 0)<=0 and is_ucs_in_japanese_char(p) then
- local pc = getchar(p)
- local pf = ltjf_replace_altfont(has_attr(p, attr_curjfnt) or getfont(p), pc)
- setfield(p, 'font', pf); set_attr(p, attr_curjfnt, pf)
- setfield(p, 'lang', lang_ja)
- set_attr(p, attr_orig_char, pc)
- end
- return p
- end
- suppress_hyphenate_ja_aux[id_math] = function(p)
- return node_end_of_math(node_next(p)) end
- suppress_hyphenate_ja_aux[50] = function(p) return p end
- suppress_hyphenate_ja_aux[id_whatsit] = function(p)
- if getsubtype(p)==sid_user then
- local uid = getfield(p, 'user_id')
- if uid==STCK then
- wt[#wt+1] = p; node_remove(head, p)
- elseif uid==DIR then
- if has_attr(p, attr_icflag)<PROCESSED_BEGIN_FLAG then
- ltjs.list_dir = has_attr(p, attr_dir)
- else
- wtd[#wtd+1] = p; node_remove(head, p)
- end
- end
- end
- return p
- end
-
- local function suppress_hyphenate_ja (h,t)
- start_time_measure('ltj_hyphenate')
- head = to_direct(h)
- local p = head
- for i = 1,#wt do wt[i]=nil end
- for i = 1,#wtd do wtd[i]=nil end
- ltjs.list_dir=ltjd_get_dir_count()
- while p and p~=t do
- local pfunc = suppress_hyphenate_ja_aux[getid(p)]
- p = node_next(pfunc and pfunc(p) or p)
- end
- stop_time_measure('ltj_hyphenate'); start_time_measure('tex_hyphenate')
- lang.hyphenate(h, t)
- stop_time_measure('tex_hyphenate')
- return h
- end
-
- luatexbase.add_to_callback('hyphenate',
- function (head,tail)
- return suppress_hyphenate_ja(head)
- end,'ltj.hyphenate')
-end
-
--- mode: true iff this function is called from hpack_filter
-local ltjs_report_stack_level = ltjs.report_stack_level
-local function set_box_stack_level(head, mode)
- local box_set, cl = 0, tex.currentgrouplevel + 1
- for _,p in pairs(wt) do
- if mode and getfield(p, 'value')==cl then box_set = 1 end; node_free(p)
- end
- ltjs_report_stack_level(tex_getcount('ltj@@stack') + box_set)
- for _,p in pairs(wtd) do
- node_free(p)
- end
- is_dir_tate = ltjs.list_dir == dir_tate
- if is_dir_tate then
- for p in Dnode.traverse_id(id_glyph,to_direct(head)) do
- if (has_attr(p, attr_icflag) or 0)<=0 and has_attr(p, attr_curjfnt)==getfont(p) then
- local pfn = has_attr(p, attr_curtfnt) or getfont(p)
- local pc = getchar(p)
- local pf = ltjf_replace_altfont(pfn, pc)
- set_attr(p, attr_dir, pc)
- pc = ltjf_get_vert_glyph(pf, pc) or pc
- setfield(p, 'char', pc); set_attr(p, attr_orig_char, pc)
- setfield(p, 'font', pf); set_attr(p, attr_curjfnt, pf)
- end
- end
- end
- return head
-end
-
--- CALLBACKS
-luatexbase.add_to_callback('hpack_filter',
- function (head)
- return set_box_stack_level(head, true)
- end,'ltj.hpack_filter_pre',1)
-luatexbase.add_to_callback('pre_linebreak_filter',
- function (head)
- return set_box_stack_level(head, false)
- end,'ltj.pre_linebreak_filter_pre',1)
-
-luatexja.pretreat = {
- set_box_stack_level = set_box_stack_level,
-}
end
return dest
end
- prepare_fl_data = function (dest, id, fname)
- local fl = fontloader.open(fname)
+ prepare_fl_data = function (dest, id)
+ local fl = fontloader.open(id.filename)
local unicodes = id.resources.unicodes
if fl.glyphs then
dest = add_fl_table(dest, fl.glyphs, id.resources.unicodes, fl.glyphmax,
fontloader.close(fl)
return dest
end
- -- supply vkern table: TODO
- supply_vkern_table = function(id)
- -- if not id then return end
- -- local fname = id.filename
- -- if not fname then return end
- -- local bx = font_extra_basename[file.basename(fname)].vkerns
- -- local desc = id.shared.rawdata.descriptions
- -- if bx then
- -- for i,v in pairs(bx) do
- -- print(i)
- -- id.shared.rawdata.resources.lookuphash[i]
- -- =id.shared.rawdata.resources.lookuphash[i] or v
- -- for j,w in pairs(v) do
- -- desc[j].kerns = desc[j].kerns or {}
- -- desc[j].kerns[i] = w
- -- end
- -- end
- -- end
+ -- supply vkern table
+ supply_vkern_table = function(id, bname)
+ local bx = font_extra_basename[bname].vkerns
+ local lookuphash = id.resources.lookuphash
+ local desc = id.shared.rawdata.descriptions
+ if bx then
+ for i,v in pairs(bx) do
+ lookuphash[i] = lookuphash[i] or v
+ for j,w in pairs(v) do
+ desc[j].kerns = desc[j].kerns or {}
+ desc[j].kerns[i] = w
+ end
+ end
+ end
end
end
local cache_ver = 3
local checksum = file.checksum
- local function prepare_extra_data(n, id)
- -- test if already loaded
- if (not id) or font_extra_info[n] then return
- end
- local fname = id.filename
- local bname = file.basename(fname)
- if not fname then
- font_extra_info[n] = {}; return
- elseif font_extra_basename[bname] then
- font_extra_info[n] = font_extra_basename[bname]; return
- end
- -- if the cache is present, read it
- local newsum = checksum(fname) -- MD5 checksum of the fontfile
- local v = "extra_" .. string.lower(file.nameonly(fname))
- local dat = ltjb.load_cache(v,
- function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
- )
- -- if the cache is not found or outdated, save the cache
- if dat then
- font_extra_basename[bname] = dat[1] or {}
- else
- local dat = nil
- dat = prepare_vert_data(dat, id)
- dat = prepare_fl_data(dat, id, fname)
- font_extra_basename[bname] = dat or {}
- ltjb.save_cache( v,
- {
- chksum = checksum(fname),
- version = cache_ver,
- dat,
- })
- end
- font_extra_info[n] = font_extra_basename[bname]
- end
- luatexbase.add_to_callback('luatexja.define_font',
- function (res, name, size, id)
- if type(res)~='number' then
- prepare_extra_data(id, res)
- supply_vkern_table(res)
- end
- end,
- 'ltj.prepare_extra_data', 1)
+ local function prepare_extra_data_base(id)
+ if not id or not id.resources then return end
+ local bname = file.nameonly(id.filename or '')
+ print(bname, font_extra_basename[bname])
+ if bname and not font_extra_basename[bname] then
+ -- if the cache is present, read it
+ local newsum = checksum(id.filename) -- MD5 checksum of the fontfile
+ local v = "extra_" .. string.lower(file.nameonly(id.filename))
+ print(v)
+ local dat = ltjb.load_cache(
+ v,
+ function (t) return (t.version~=cache_ver) or (t.chksum~=newsum) end
+ )
+ -- if the cache is not found or outdated, save the cache
+ if dat then
+ font_extra_basename[bname] = dat[1] or {}
+ else
+ local dat = nil
+ dat = prepare_vert_data(dat, id)
+ dat = prepare_fl_data(dat, id)
+ font_extra_basename[bname] = dat or {}
+ ltjb.save_cache( v,
+ {
+ chksum = checksum(fname),
+ version = cache_ver,
+ dat,
+ })
+ end
+ return bname
+ end
+ end
+ local function prepare_extra_data_font(id, res)
+ if type(res)=='table' and res.filename then
+ font_extra_info[id] = font_extra_basename[file.nameonly(res.filename)]
+ end
+ end
+ luatexbase.add_to_callback(
+ 'luaotfload.patch_font',
+ function (tfmdata)
+ -- these function is executed one time per one fontfile
+ local bname = prepare_extra_data_base(tfmdata)
+ if bname then supply_vkern_table(tfmdata, bname) end
+ end,
+ 'ltj.prepare_extra_data', 1)
+ luatexbase.add_to_callback(
+ 'luatexja.define_font',
+ function (res, name, size, id)
+ prepare_extra_data_font(id, res)
+ end,
+ 'ltj.prepare_extra_data', 1)
local function a (n, dat) font_extra_info[n] = dat end
ltjr.vert_addfunc = a
local identifiers = fonts.hashes.identifiers
for i=1,font.nextid()-1 do
if identifiers[i] then
- prepare_extra_data(i, identifiers[i])
- supply_vkern_table(identifiers[i])
+ prepare_extra_data_base(identifiers[i])
+ prepare_extra_data_font(i,identifiers[i])
end
end
end