From fdbc23fab67129d4764367f5fa4614cc244904b3 Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Sat, 27 Oct 2018 12:43:03 +0200 Subject: util.serialization: Add option for allowing multiple references to the same table (but not cycles) --- util/serialization.lua | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'util/serialization.lua') diff --git a/util/serialization.lua b/util/serialization.lua index 998b16de..a8b64c04 100644 --- a/util/serialization.lua +++ b/util/serialization.lua @@ -120,6 +120,7 @@ local function new(opt) local hex = opt.hex; local freeze = opt.freeze; local maxdepth = opt.maxdepth or 127; + local multirefs = opt.multiref; -- serialize one table, recursively -- t - table being serialized @@ -136,7 +137,10 @@ local function new(opt) return l; end + -- Keep track of table loops + local ot = t; -- reference pre-freeze o[t] = true; + o[ot] = true; if freeze == true then -- opportunity to do pre-serialization @@ -200,6 +204,12 @@ local function new(opt) o[l], l = s_rep(indentwith, d-1), l + 1; end o[l], l = tend, l +1; + + if multirefs then + o[t] = nil; + o[ot] = nil; + end + return l; end -- cgit v1.2.3