mlib-lua.lua /size: 1502 b    last modification: 2021-10-28 13:50
1if not modules then modules = { } end modules ['mlib-lua'] = {
2    version   = 1.001,
3    comment   = "companion to mlib-ctx.mkiv",
4    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
5    copyright = "PRAGMA ADE / ConTeXt Development Team",
6    license   = "see context related readme files",
7}
8
9local type = type
10local insert, remove = table.insert, table.remove
11
12local set = mp.set
13local get = mp.get
14
15local currentmpx = nil
16local stack      = { }
17
18local get_numeric = mplib.get_numeric
19local get_integer = mplib.get_integer
20local get_string  = mplib.get_string
21local get_boolean = mplib.get_boolean
22local get_path    = mplib.get_path
23local set_path    = mplib.set_path
24
25get.numeric = function(s)   return get_numeric(currentmpx,s)   end
26get.number  = function(s)   return get_numeric(currentmpx,s)   end
27get.integer = function(s)   return get_integer(currentmpx,s)   end
28get.string  = function(s)   return get_string (currentmpx,s)   end
29get.boolean = function(s)   return get_boolean(currentmpx,s)   end
30get.path    = function(s)   return get_path   (currentmpx,s)   end
31set.path    = function(s,t) return set_path   (currentmpx,s,t) end -- not working yet
32
33function metapost.pushscriptrunner(mpx)
34    insert(stack,mpx)
35    currentmpx = mpx
36end
37
38function metapost.popscriptrunner()
39    currentmpx = remove(stack,mpx)
40end
41
42function metapost.currentmpx()
43    return currentmpx
44end
45
46local status = mplib.status
47
48function metapost.currentmpxstatus()
49    return status and status(currentmpx) or 0
50end
51