Lua Table的序列化與反序列化函數

1. table.tostring = function(t)
2. local mark={}
3. local assign={}
4. local function ser_table(tbl,parent)
5. mark[tbl]=parent
6. local tmp={}
7. for k,v in pairs(tbl) do
8. local key= type(k)=="number" and "["..k.."]" or "[".. string.format("%q", k) .."]"
9. if type(v)=="table" then
10. local dotkey= parent.. key
11. if mark[v] then
12. table.insert(assign,dotkey.."='"..mark[v] .."'")
13. else
14. table.insert(tmp, key.."="..ser_table(v,dotkey))
15. end
16. elseif type(v) == "string" then
17. table.insert(tmp, key.."=".. string.format('%q', v))
18. elseif type(v) == "number" or type(v) == "boolean" then
19. table.insert(tmp, key.."=".. tostring(v))
20. end
21. end
22. return "{"..table.concat(tmp,",").."}"
23. end
24. return "do local ret="..ser_table(t,"ret")..table.concat(assign," ").." return ret end"
25. end
27. table.loadstring = function(strData)
28. local f = loadstring(strData)
29. if f then
30. return f()
31. end
32. end

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