38 lines
880 B
Lua
38 lines
880 B
Lua
|
local format = string.format
|
||
|
|
local concat = table.concat
|
||
|
|
local next = next
|
||
|
|
|
||
|
|
local temp_table = {}
|
||
|
|
local resources_meta = {
|
||
|
|
__index = function(t, k)
|
||
|
|
local v = {}
|
||
|
|
t[k] = v
|
||
|
|
return v
|
||
|
|
end,
|
||
|
|
__call = function(t, additional)
|
||
|
|
local temp_table = temp_table
|
||
|
|
local i=1
|
||
|
|
local next_init = '<</%s<<'
|
||
|
|
for kind, entries in next, t do
|
||
|
|
temp_table[i] = format(next_init, kind)
|
||
|
|
next_init = '>>/%s<<'
|
||
|
|
i = i+1
|
||
|
|
for name, entry in next, entries do
|
||
|
|
temp_table[i] = format('/%s %i 0 R', name, entry)
|
||
|
|
i = i+1
|
||
|
|
end
|
||
|
|
end
|
||
|
|
if i == 1 then return format('<<%s>>', additional or '') end
|
||
|
|
temp_table[i] = format('>>%s>>', additional or '')
|
||
|
|
local result = concat(temp_table)
|
||
|
|
for j=1,i do
|
||
|
|
temp_table[j] = nil
|
||
|
|
end
|
||
|
|
return result
|
||
|
|
end,
|
||
|
|
}
|
||
|
|
|
||
|
|
return function(t)
|
||
|
|
return setmetatable(t or {}, resources_meta)
|
||
|
|
end
|