forked from mia/Aegisub
91 lines
1.8 KiB
Lua
91 lines
1.8 KiB
Lua
-- Random Luabins dataset generator
|
|
|
|
package.cpath = "./lib/?.so;"..package.cpath
|
|
|
|
local luabins = require("luabins")
|
|
|
|
local luabins_save, luabins_load = luabins.save, luabins.load
|
|
|
|
math.randomseed(123456)
|
|
|
|
-- TODO: Generalize. Copy-paste from test.lua
|
|
local function gen_random_dataset(num, nesting)
|
|
num = num or math.random(0, 128)
|
|
nesting = nesting or 1
|
|
|
|
local gen_str = function()
|
|
local t = {}
|
|
local n = math.random(0, 1024)
|
|
for i = 1, n do
|
|
t[i] = string.char(math.random(0, 255))
|
|
end
|
|
return table.concat(t)
|
|
end
|
|
|
|
local gen_bool = function() return math.random() >= 0.5 end
|
|
|
|
local gen_nil = function() return nil end
|
|
|
|
local generators =
|
|
{
|
|
gen_nil;
|
|
gen_nil;
|
|
gen_nil;
|
|
gen_bool;
|
|
gen_bool;
|
|
gen_bool;
|
|
function() return math.random() end;
|
|
function() return math.random(-10000, 10000) end;
|
|
function() return math.random() * math.random(-10000, 10000) end;
|
|
gen_str;
|
|
gen_str;
|
|
gen_str;
|
|
function()
|
|
if nesting >= 24 then
|
|
return nil
|
|
end
|
|
|
|
local t = {}
|
|
local n = math.random(0, 24 - nesting)
|
|
for i = 1, n do
|
|
local k = gen_random_dataset(1, nesting + 1)
|
|
if k == nil then
|
|
k = "(nil)"
|
|
end
|
|
t[ k ] = gen_random_dataset(
|
|
1,
|
|
nesting + 1
|
|
)
|
|
end
|
|
|
|
return t
|
|
end;
|
|
}
|
|
|
|
local t = {}
|
|
for i = 1, num do
|
|
local n = math.random(1, #generators)
|
|
t[i] = generators[n]()
|
|
end
|
|
return unpack(t, 0, num)
|
|
end
|
|
|
|
local saved = assert(luabins_save(gen_random_dataset()))
|
|
|
|
local filename = select(1, ...)
|
|
assert(filename, "Usage: lua dataset.lua <out_filename>")
|
|
|
|
local file
|
|
if filename == "-" then
|
|
file = io.stdout
|
|
else
|
|
file = assert(io.open(filename, "w"))
|
|
end
|
|
|
|
file:write(saved)
|
|
|
|
if file ~= io.stdout then
|
|
file:close()
|
|
end
|
|
file = nil
|