summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/luatex/luatexja/luatexja.lua
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/tex/luatex/luatexja/luatexja.lua')
-rw-r--r--Master/texmf-dist/tex/luatex/luatexja/luatexja.lua365
1 files changed, 365 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/luatex/luatexja/luatexja.lua b/Master/texmf-dist/tex/luatex/luatexja/luatexja.lua
new file mode 100644
index 00000000000..25530a1130c
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/luatexja/luatexja.lua
@@ -0,0 +1,365 @@
+
+local floor = math.floor
+
+require('lualibs')
+
+------------------------------------------------------------------------
+-- naming:
+-- ext_... : called from \directlua{}
+-- int_... : called from other Lua codes, but not from \directlua{}
+-- (other) : only called from this file
+function luatexja.error(s,t)
+ tex.error('LuaTeX-ja error: ' .. s ,t)
+end
+function luatexja.load_module(name)
+ if not package.loaded['luatexja.' .. name] then
+ local fn = 'ltj-' .. name .. '.lua'
+ local found = kpse.find_file(fn, 'tex')
+ if not found then
+ luatexja.error("File `" .. fn .. "' not found",
+ {'This file ' .. fn .. ' is required for LuaTeX-ja.', 'Please check your installation.'})
+ else
+ texio.write('(' .. found .. ')\n')
+ dofile(found)
+ end
+ end
+end
+function luatexja.load_lua(fn)
+ local found = kpse.find_file(fn, 'tex')
+ if not found then
+ error("File `" .. fn .. "' not found")
+ else
+ texio.write('(' .. found .. ')\n')
+ dofile(found)
+ end
+end
+
+local load_module = luatexja.load_module
+load_module('base'); local ltjb = luatexja.base
+load_module('rmlgbm'); local ltjr = luatexja.rmlgbm -- must be 1st
+load_module('charrange'); local ltjc = luatexja.charrange
+load_module('jfont'); local ltjf = luatexja.jfont
+load_module('inputbuf'); local ltji = luatexja.inputbuf
+load_module('stack'); local ltjs = luatexja.stack
+load_module('pretreat'); local ltjp = luatexja.pretreat
+load_module('jfmglue'); local ltjj = luatexja.jfmglue
+load_module('setwidth'); local ltjw = luatexja.setwidth
+load_module('math'); local ltjm = luatexja.math
+load_module('tangle'); local ltjb = luatexja.base
+
+
+local node_type = node.type
+local node_new = node.new
+local node_prev = node.prev
+local node_next = node.next
+local has_attr = node.has_attribute
+local node_insert_before = node.insert_before
+local node_insert_after = node.insert_after
+local node_hpack = node.hpack
+
+local id_penalty = node.id('penalty')
+local id_glyph = node.id('glyph')
+local id_glue_spec = node.id('glue_spec')
+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 attr_jchar_class = luatexbase.attributes['ltj@charclass']
+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 cat_lp = luatexbase.catcodetables['latex-package']
+
+local ITALIC = 1
+local PACKED = 2
+local KINSOKU = 3
+local FROM_JFM = 4
+local LINE_END = 5
+local KANJI_SKIP = 6
+local XKANJI_SKIP = 7
+local PROCESSED = 8
+local IC_PROCESSED = 9
+local BOXBDD = 15
+
+
+-- Three aux. functions, bollowed from tex.web
+local unity=65536
+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
+
+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
+
+function math.two_add(a,b) return a+b end
+function math.two_average(a,b) return (a+b)/2 end
+
+---- table: charprop_stack_table [stack_level].{pre|post|xsp}[chr_code]
+
+------------------------------------------------------------------------
+-- CODE FOR GETTING/SETTING PARAMETERS
+------------------------------------------------------------------------
+
+-- EXT: print parameters that don't need arguments
+function luatexja.ext_get_parameter_unary(k)
+ if k == 'yalbaselineshift' then
+ tex.write(print_scaled(tex.getattribute('ltj@yablshift'))..'pt')
+ elseif k == 'yjabaselineshift' then
+ tex.write(print_scaled(tex.getattribute('ltj@ykblshift'))..'pt')
+ elseif k == 'kanjiskip' then
+ tex.write(print_spec(ltjs.get_skip_table('kanjiskip', tex.getcount('ltj@@stack'))))
+ elseif k == 'xkanjiskip' then
+ tex.write(print_spec(ltjs.get_skip_table('xkanjiskip', tex.getcount('ltj@@stack'))))
+ elseif k == 'jcharwidowpenalty' then
+ tex.write(ltjs.get_penalty_table('jwp', 0, 0, tex.getcount('ltj@@stack')))
+ elseif k == 'autospacing' then
+ tex.write(tex.getattribute('ltj@autospc'))
+ elseif k == 'autoxspacing' then
+ tex.write(tex.getattribute('ltj@autoxspc'))
+ elseif k == 'differentjfm' then
+ if luatexja.jfmglue.diffmet_rule == math.max then
+ tex.write('large')
+ elseif luatexja.jfmglue.diffmet_rule == math.min then
+ tex.write('small')
+ elseif luatexja.jfmglue.diffmet_rule == math.two_average then
+ tex.write('average')
+ elseif luatexja.jfmglue.diffmet_rule == math.two_add then
+ tex.write('both')
+ else -- This can't happen.
+ tex.write('???')
+ end
+ end
+end
+
+
+-- EXT: print parameters that need arguments
+function luatexja.ext_get_parameter_binary(k,c)
+ if k == 'jacharrange' then
+ if c<0 or c>216 then
+ ltjb.package_error('luatexja',
+ 'invalid character range number (' .. c .. ')',
+ 'A character range number should be in the range 0..216,\n'..
+ 'So I changed this one to zero.')
+ c=0
+ end
+ tex.write(ltjc.get_range_setting(c))
+ else
+ if c<0 or c>0x10FFFF then
+ ltjb.package_error('luatexja',
+ 'bad character code (' .. c .. ')',
+ 'A character number must be between -1 and 0x10ffff.\n'..
+ "(-1 is used for denoting `math boundary')\n"..
+ 'So I changed this one to zero.')
+ c=0
+ end
+ if k == 'prebreakpenalty' then
+ tex.write(ltjs.get_penalty_table('pre', c, 0, tex.getcount('ltj@@stack')))
+ elseif k == 'postbreakpenalty' then
+ tex.write(ltjs.get_penalty_table('post', c, 0, tex.getcount('ltj@@stack')))
+ elseif k == 'kcatcode' then
+ tex.write(ltjs.get_penalty_table('kcat', c, 0, tex.getcount('ltj@@stack')))
+ elseif k == 'chartorange' then
+ tex.write(ltjc.char_to_range(c))
+ elseif k == 'jaxspmode' or k == 'alxspmode' then
+ tex.write(ltjs.get_penalty_table('xsp', c, 3, tex.getcount('ltj@@stack')))
+ end
+ end
+end
+
+-- EXT: print \global if necessary
+function luatexja.ext_print_global()
+ if isglobal=='global' then tex.sprint(cat_lp, '\\global') end
+end
+
+-- main process
+-- mode = true iff main_process is called from pre_linebreak_filter
+local function main_process(head, mode, dir)
+ local p = head
+ p = ltjj.main(p,mode)
+ p = ltjw.set_ja_width(p, dir)
+ return p
+end
+
+-- callbacks
+
+luatexbase.add_to_callback('pre_linebreak_filter',
+ function (head,groupcode)
+ return main_process(head, true, tex.textdir)
+ end,'ltj.pre_linebreak_filter',
+ luatexbase.priority_in_callback('pre_linebreak_filter',
+ 'luaotfload.pre_linebreak_filter') + 1)
+luatexbase.add_to_callback('hpack_filter',
+ function (head,groupcode,size,packtype, dir)
+ return main_process(head, false, dir)
+ end,'ltj.hpack_filter',
+ luatexbase.priority_in_callback('hpack_filter',
+ 'luaotfload.hpack_filter') + 1)
+
+-- debug
+local debug_depth
+
+local function debug_show_node_X(p,print_fn)
+ local k = debug_depth
+ local s
+ local pt=node_type(p.id)
+ local base = debug_depth .. string.format('%X', has_attr(p,attr_icflag) or 0)
+ .. ' ' .. string.format('%X', has_attr(p, attr_uniqid) or 0)
+ .. ' ' .. node.type(p.id) .. ' ' .. tostring(p.subtype )
+ if pt == 'glyph' then
+ s = base .. ' ' .. utf.char(p.char) .. ' ' .. tostring(p.font)
+ .. ' (' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width)
+ print_fn(s)
+ elseif pt=='hlist' or pt=='vlist' then
+ s = base .. '(' .. print_scaled(p.height) .. '+'
+ .. print_scaled(p.depth) .. ')x' .. print_scaled(p.width) .. p.dir
+ if p.shift~=0 then
+ s = s .. ', shifted ' .. print_scaled(p.shift)
+ end
+ if p.glue_sign >= 1 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 has_attr(p, attr_icflag, PACKED) then
+ s = s .. ' (packed)'
+ end
+ print_fn(s)
+ local q = p.head
+ debug_depth=debug_depth.. '.'
+ while q do
+ debug_show_node_X(q, print_fn); q = node_next(q)
+ end
+ debug_depth=k
+ elseif pt == 'glue' then
+ s = base .. ' ' .. print_spec(p.spec)
+ if has_attr(p, attr_icflag)==FROM_JFM then
+ s = s .. ' (from JFM)'
+ elseif has_attr(p, attr_icflag)==KANJI_SKIP then
+ s = s .. ' (kanjiskip)'
+ elseif has_attr(p, attr_icflag)==XKANJI_SKIP then
+ s = s .. ' (xkanjiskip)'
+ 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 has_attr(p, attr_icflag)==IC_PROCESSED then
+ s = s .. ' (italic correction)'
+ -- elseif has_attr(p, attr_icflag)==ITALIC then
+ -- s = s .. ' (italic correction)'
+ elseif has_attr(p, attr_icflag)==FROM_JFM then
+ s = s .. ' (from JFM)'
+ elseif has_attr(p, attr_icflag)==LINE_END then
+ s = s .. " (from 'lineend' in JFM)"
+ end
+ print_fn(s)
+ elseif pt == 'penalty' then
+ s = base .. ' ' .. tostring(p.penalty)
+ if has_attr(p, attr_icflag)==KINSOKU then
+ s = s .. ' (for kinsoku)'
+ end
+ print_fn(s)
+ elseif pt == 'whatsit' then
+ s = base .. ' subtype: ' .. tostring(p.subtype)
+ if p.subtype==sid_user then
+ if p.type ~= 110 then
+ s = s .. ' user_id: ' .. p.user_id .. ' ' .. p.value
+ else
+ s = s .. ' user_id: ' .. p.user_id .. ' (node list)'
+ end
+ else
+ s = s .. node.subtype(p.subtype)
+ end
+ print_fn(s)
+ -------- math node --------
+ elseif pt=='noad' then
+ s = base ; print_fn(s)
+ if p.nucleus then
+ debug_depth = k .. 'N'; debug_show_node_X(p.nucleus, print_fn);
+ end
+ if p.sup then
+ debug_depth = k .. '^'; debug_show_node_X(p.sup, print_fn);
+ end
+ if p.sub then
+ debug_depth = k .. '_'; debug_show_node_X(p.sub, print_fn);
+ end
+ debug_depth = k;
+ elseif pt=='math_char' then
+ s = base .. ' fam: ' .. p.fam .. ' , char = ' .. utf.char(p.char)
+ print_fn(s)
+ elseif pt=='sub_box' then
+ print_fn(base)
+ if p.head then
+ debug_depth = k .. '.'; debug_show_node_X(p.head, print_fn);
+ end
+ else
+ print_fn(base)
+ end
+ p=node_next(p)
+end
+function luatexja.ext_show_node_list(head,depth,print_fn)
+ debug_depth = depth
+ if head then
+ while head do
+ debug_show_node_X(head, print_fn); head = node_next(head)
+ end
+ else
+ print_fn(debug_depth .. ' (null list)')
+ end
+end
+function luatexja.ext_show_node(head,depth,print_fn)
+ debug_depth = depth
+ if head then
+ debug_show_node_X(head, print_fn)
+ else
+ print_fn(debug_depth .. ' (null list)')
+ end
+end \ No newline at end of file