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tools/migration/migrator/mtools.lua @ 6126:122e0f26e8f6
plugins/muc/muc.lib: Use `get_role` in `handle_admin_item_get_command`. Removed a TODO that's already done
author | daurnimator <quae@daurnimator.com> |
---|---|
date | Wed, 19 Mar 2014 17:46:25 -0400 |
parent | 4216:ff80a8471e86 |
child | 7881:4e3067272fae |
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local print = print; local t_insert = table.insert; local t_sort = table.sort; module "mtools" function sorted(params) local reader = params.reader; -- iterator to get items from local sorter = params.sorter; -- sorting function local filter = params.filter; -- filter function local cache = {}; for item in reader do if filter then item = filter(item); end if item then t_insert(cache, item); end end if sorter then t_sort(cache, sorter); end local i = 0; return function() i = i + 1; return cache[i]; end; end function merged(reader, merger) local item1 = reader(); local merged = { item1 }; return function() while true do if not item1 then return nil; end local item2 = reader(); if not item2 then item1 = nil; return merged; end if merger(item1, item2) then --print("merged") item1 = item2; t_insert(merged, item1); else --print("unmerged", merged) item1 = item2; local tmp = merged; merged = { item1 }; return tmp; end end end; end return _M;