adv_chat/colorize_message.lua

local const_discord = bridges.discord
-- Converts "#XXXXXX" color codes to colors
function colorize_message(message)
    local rope={}
    local otherrope
    if const_discord then
        otherrope={}
    end
    local function append_character(c)
        table.insert(rope, c)
        if const_discord then
            table.insert(otherrope, c)
        end
    end
    local i=1
    while i <= message:len() do
        local c=message:sub(i,i)
        if c == string.char(0x1b) and message:sub(i+1, i+4) == "(c@#" and message:sub(i+11, i+11) == ")" then
            table.insert(rope, message:sub(i, i+11))
            i=i+11
        elseif c == "#" then
            local color = true
            for j=i+1, i+6 do
                local c2=message:sub(j,j):upper()
                if c2=="" or not ((c2 >= "0" and c2 <= "9") or (c2 >= "A" and c2 <= "F")) then
                    color = false
                    break
                end
            end
            if color then
                table.insert(rope, minetest.get_color_escape_sequence(message:sub(i, i+6)))
                i=i+6
            else
                append_character(c)
            end
        else
            append_character(c)
        end
        i=i+1
    end
    if const_discord then
        return table.concat(rope), table.concat(otherrope)
    end
    return table.concat(rope)
end

load_schemes()