math-ren.lmt /size: 2284 b    last modification: 2025-02-21 11:03
1if not modules then modules = { } end modules ['math-ren'] = {
2    version   = 1.001,
3    comment   = "companion to math-ren.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 next = next
10local gsub = string.gsub
11
12local settings_to_array = utilities.parsers.settings_to_array
13local allocate          = storage.allocate
14
15local renderings        = { }
16mathematics.renderings  = renderings
17
18local mappings          = allocate()
19renderings.mappings     = mappings
20
21local numbers           = allocate()
22renderings.numbers      = numbers
23
24local sets              = allocate()
25renderings.sets         = sets
26
27local unsetvalue        <const> = attributes.unsetvalue
28
29mappings["blackboard-to-bold"] = {
30    [0x1D538] = 0x1D400, [0x1D539] = 0x1D401, [0x02102] = 0x1D402, [0x1D53B] = 0x1D403, [0x1D53C] = 0x1D404,
31    [0x1D53D] = 0x1D405, [0x1D53E] = 0x1D406, [0x0210D] = 0x1D407, [0x1D540] = 0x1D408, [0x1D541] = 0x1D409,
32    [0x1D542] = 0x1D40A, [0x1D543] = 0x1D40B, [0x1D544] = 0x1D40C, [0x02115] = 0x1D40D, [0x1D546] = 0x1D40E,
33    [0x02119] = 0x1D40F, [0x0211A] = 0x1D410, [0x0211D] = 0x1D411, [0x1D54A] = 0x1D412, [0x1D54B] = 0x1D413,
34    [0x1D54C] = 0x1D414, [0x1D54D] = 0x1D415, [0x1D54E] = 0x1D416, [0x1D54F] = 0x1D417, [0x1D550] = 0x1D418,
35    [0x02124] = 0x1D419,
36}
37
38mappings["mikaels-favourites"] = {
39    [0x211D] = 0x1D411,
40    [0x211A] = 0x1D410,
41    [0x2124] = 0x1D419,
42    [0x2115] = 0x1D40D,
43}
44
45local function renderset(list) -- order matters
46    local tag = gsub(list," ","")
47    local n = sets[tag]
48    if not n then
49        local list = settings_to_array(tag)
50        local mapping = { }
51        for i=1,#list do
52            local m = mappings[list[i]]
53            if m then
54                for k, v in next, m do
55                    mapping[k] = v
56                end
57            end
58        end
59        if next(mapping) then
60            n = #numbers + 1
61            numbers[n] = mapping
62        else
63            n = unsetvalue
64        end
65        sets[tag] = n
66    end
67    return n
68end
69
70mathematics.renderset = renderset
71
72interfaces.implement {
73    name      = "mathrenderset",
74    actions   = { renderset, context },
75    arguments = "string",
76}
77