commit 3a3c66d: [Minor] Add selector transformer `filter_method`
Vsevolod Stakhov
vsevolod at rspamd.com
Tue Oct 31 15:21:03 UTC 2023
Author: Vsevolod Stakhov
Date: 2023-10-31 15:18:22 +0000
URL: https://github.com/rspamd/rspamd/commit/3a3c66d232b6e91e3baf8cf6c9c64b48d63e57a8 (HEAD -> master)
[Minor] Add selector transformer `filter_method`
---
lualib/lua_selectors/transforms.lua | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/lualib/lua_selectors/transforms.lua b/lualib/lua_selectors/transforms.lua
index 4b839de28..6c6bc7117 100644
--- a/lualib/lua_selectors/transforms.lua
+++ b/lualib/lua_selectors/transforms.lua
@@ -542,7 +542,28 @@ Empty string comes the first argument or 'true', non-empty string comes nil]],
return res, 'string_list'
end,
['description'] = 'Apply a list of method calls to the userdata object',
- }
+ },
+ -- Apply method to list of userdata and use it as a filter, excluding elements for which method returns false/nil
+ ['filter_method'] = {
+ ['types'] = {
+ ['userdata_list'] = true
+ },
+ ['process'] = function(inp, t, args)
+ local meth = args[1]
+
+ if not meth then
+ logger.errx('invalid method name: %s', args[1])
+ return nil
+ end
+
+ return fun.filter(function(val)
+ return val[meth](val)
+ end, inp), 'userdata_list'
+ end,
+ ['description'] = 'Apply method to list of userdata and use it as a filter,' ..
+ ' excluding elements for which method returns false/nil',
+ ['args_schema'] = { ts.string }
+ },
}
transform_function.match = transform_function.regexp
More information about the Commits
mailing list