--
luatexbase.provides_module({
name = 'luatexja.stack',
- date = '2014/01/24',
+ date = '2014/05/08',
description = 'LuaTeX-ja stack system',
})
module('luatexja.stack', package.seeall)
luatexja.load_module('base'); local ltjb = luatexja.base
+--------------------------------------------------------------------------------
+-- stack table (obeys TeX's grouping)
+--------------------------------------------------------------------------------
local node_new = node.new
local id_whatsit = node.id('whatsit')
local sid_user = node.subtype('user_defined')
local STCK = luatexja.userid_table.STCK
-hmode = 0 -- dummy
+hmode = 0 -- dummy
-charprop_stack_table={};
+charprop_stack_table={};
local charprop_stack_table = charprop_stack_table
charprop_stack_table[0]={}
return i
end
--- local function table_to_str(v)
--- local s = ''
--- for i, a in pairs(v) do
--- s = s .. i .. "=" .. tostring(a) .. ', '
--- end
--- return s
--- end
--- function print_stack_table(i)
--- print('\n>>> get_stack_level:')
--- for k, v in pairs(charprop_stack_table[i]) do
--- print(" " , k, type(k), table_to_str(v));
--- end
--- end
-
function set_stack_table(m,p, is_v)
local i = get_stack_level(is_v)
charprop_stack_table[i][m] = p
if luatexja.isglobal=='global' then
- for j,v in pairs(charprop_stack_table) do
+ for j,v in pairs(charprop_stack_table) do
charprop_stack_table[j][m] = p
end
end
-- EXT
function set_stack_font(m,c,p)
- if type(c)~='number' or c<0 or c>255 then
+ if type(c)~='number' or c<0 or c>255 then
ltjb.package_error('luatexja',
"invalid family number (".. tostring(c) .. ")",
"The family number should in the range 0 .. 255.\n" ..
set_stack_table(m+c, p)
end
--- EXT: store \ltj@tempskipa
+-- EXT: sp: glue_spec
function set_stack_skip(m,sp)
local i = get_stack_level()
if not sp then return end
- if not charprop_stack_table[i][m] then
- charprop_stack_table[i][m] = {}
+ if not charprop_stack_table[i][m] then
+ charprop_stack_table[i][m] = {}
end
charprop_stack_table[i][m].width = sp.width
charprop_stack_table[i][m].stretch = sp.stretch
charprop_stack_table[i][m].stretch_order = sp.stretch_order
charprop_stack_table[i][m].shrink_order = sp.shrink_order
if luatexja.isglobal=='global' then
- for j,v in pairs(charprop_stack_table) do
+ for j,v in pairs(charprop_stack_table) do
if not charprop_stack_table[j][m] then charprop_stack_table[j][m] = {} end
charprop_stack_table[j][m].width = sp.width
charprop_stack_table[j][m].stretch = sp.stretch
return bsl
end
function fast_get_stack_skip(m)
- return table_current_stack[m]
+ return table_current_stack[m]
or { width = 0, stretch = 0, shrink = 0, stretch_order = 0, shrink_order = 0 }
end
-- For other situations, use the following instead:
function get_stack_skip(m, idx)
- return charprop_stack_table[idx][m]
+ return charprop_stack_table[idx][m]
or { width = 0, stretch = 0, shrink = 0, stretch_order = 0, shrink_order = 0 }
end
function get_stack_table(mc, d, idx)
end
+--------------------------------------------------------------------------------
+-- nest table (obeys TeX's semantic nest)
+--------------------------------------------------------------------------------
+nest_table = {}
+local nest_table = nest_table
+
+
-- EOF