Commit 7f2405ec authored by Simpy's avatar Simpy 🐹

strip down acedb clone functions

parent 2e7afb6d
......@@ -281,94 +281,27 @@ function FCT:Options()
end
end
-- Shamelessy taken from AceDB-3.0
-- Shamelessy taken from AceDB-3.0 and stripped down by Simpy
local function copyDefaults(dest, src)
-- this happens if some value in the SV overwrites our default value with a non-table
--if type(dest) ~= "table" then return end
for k, v in pairs(src) do
if k == "*" or k == "**" then
if type(v) == "table" then
-- This is a metatable used for table defaults
local mt = {
-- This handles the lookup and creation of new subtables
__index = function(t,k)
if k == nil then return nil end
local tbl = {}
copyDefaults(tbl, v)
rawset(t, k, tbl)
return tbl
end,
}
setmetatable(dest, mt)
-- handle already existing tables in the SV
for dk, dv in pairs(dest) do
if not rawget(src, dk) and type(dv) == "table" then
copyDefaults(dv, v)
end
end
else
-- Values are not tables, so this is just a simple return
local mt = {__index = function(_,k) return k~=nil and v or nil end}
setmetatable(dest, mt)
end
elseif type(v) == "table" then
if type(v) == "table" then
if not rawget(dest, k) then rawset(dest, k, {}) end
if type(dest[k]) == "table" then
copyDefaults(dest[k], v)
if src['**'] then
copyDefaults(dest[k], src['**'])
end
end
else
if rawget(dest, k) == nil then
rawset(dest, k, v)
end
if type(dest[k]) == "table" then copyDefaults(dest[k], v) end
elseif rawget(dest, k) == nil then
rawset(dest, k, v)
end
end
end
local function removeDefaults(db, defaults, blocker)
-- remove all metatables from the db, so we don't accidentally create new sub-tables through them
local function removeDefaults(db, defaults)
setmetatable(db, nil)
-- loop through the defaults and remove their content
for k,v in pairs(defaults) do
if k == "*" or k == "**" then
if type(v) == "table" then
-- Loop through all the actual k,v pairs and remove
for key, value in pairs(db) do
if type(value) == "table" then
-- if the key was not explicitly specified in the defaults table, just strip everything from * and ** tables
if defaults[key] == nil and (not blocker or blocker[key] == nil) then
removeDefaults(value, v)
-- if the table is empty afterwards, remove it
if next(value) == nil then
db[key] = nil
end
-- if it was specified, only strip ** content, but block values which were set in the key table
elseif k == "**" then
removeDefaults(value, v, defaults[key])
end
end
end
elseif k == "*" then
-- check for non-table default
for key, value in pairs(db) do
if defaults[key] == nil and v == value then
db[key] = nil
end
end
end
elseif type(v) == "table" and type(db[k]) == "table" then
-- if a blocker was set, dive into it, to allow multi-level defaults
removeDefaults(db[k], v, blocker and blocker[k])
if next(db[k]) == nil then
db[k] = nil
end
else
-- check if the current value matches the default, and that its not blocked by another defaults table
if db[k] == defaults[k] and (not blocker or blocker[k] == nil) then
db[k] = nil
end
if type(v) == "table" and type(db[k]) == "table" then
removeDefaults(db[k], v)
if next(db[k]) == nil then db[k] = nil end
elseif db[k] == defaults[k] then
db[k] = nil
end
end
end
......
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