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Added valtypeignore option

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Jess Telford 2013-01-04 19:24:30 +11:00
parent 783645f2ad
commit fb1f135674
3 changed files with 10 additions and 0 deletions
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1
README.md
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@ -61,6 +61,7 @@ internal function, but set different options by default:
* maxlevel (number) -- specify max level up to which to expand nested tables
* ignore (table) -- allows to specify a list of values to ignore (as keys)
* keyallow (table) -- allows to specify the list of keys to be serialized. Any keys not in this list are not included in final output (as keys)
* valtypeignore (table) -- allows to specify a list of value *types* to ignore (as keys)
* custom (function) -- provide custom output for tables
These options can be provided as a second parameter to Serpent functions.

1
src/serpent.lua
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@ -68,6 +68,7 @@ local function s(t, opts)
local value, ktype, plainindex = t[key], type(key), n <= maxn and not sparse
if opts.ignore and opts.ignore[value] -- skip ignored values; do nothing
or opts.keyallow and not opts.keyallow[key]
or opts.valtypeignore and opts.valtypeignore[type(value)] -- skipping ignored value types
or sparse and value == nil then -- skipping nils; do nothing
elseif ktype == 'table' or ktype == 'function' or badtype[ktype] then
if not seen[key] and not globals[key] then

8
t/test.lua
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@ -72,6 +72,14 @@ assert(_a.x == 1, "allowing key 'x': failed")
assert(_a.list ~= nil, "allowing key 'list': failed")
assert(_a[_c] == nil, "not allowing key '_c': failed")
-- test ignore value types
_a = assert(loadstring(serpent.dump(a, {valtypeignore = {["function"] = true, ["table"] = true}})))()
assert(_a.z == nil, "ignoring value type 'function': failed")
assert(_a[c] == nil, "ignoring value type 'function': failed")
assert(_a.list == nil, "ignoring value type 'table': failed")
assert(_a['true'] ~= nil, "not ignoring value type 'string': failed")
assert(_a.x ~= nil, "not ignoring value type 'number': failed")
-- test without sparsness to check the number of elements in the list with nil
_a = assert(loadstring(serpent.dump(a, {sparse = false})))()
assert(#(_a.list) == #(a.list), "size of array part stays the same: failed")