SNIPPET : getDictionaryPropertyTable

by Regg Fri 08 Mar 2013, 13:28

Code:: --[[ Example Dictionary: dictionaryName = { ["item1"] = { Property1 = "item1Property1", Property2 = "item1Property2", Property3 = "item1Property3", }, ["item2"] = { Property1 = "item2Property1", Property2 = "item2Property2", Property3 = "item2Property3", }, ["item3"] = { Property1 = "item3Property1", Property2 = "item3Property2", Property3 = "item3Property3", }, }; getDictionaryPropertyTable(dictionaryName, "Property2") will return {"item1" = "item1Property2", "item2" = "item2Property2", "item3" = "item3Property2"} ]]-- function getDictionaryPropertyTable(dictionaryName, propertyName) if type(dictionaryName) ~= "table" then return false; end local count = 0 local results = {} for index, item in pairs(dictionaryName) do if isIndexInTable(propertyName, item) then results[index] = item[propertyName] count = count + 1 end end if count > 0 then return results end return false end function isIndexInTable(entity, tableName) if entity == nil or tableName == nil then return false; end for i, v in pairs(tableName) do if type(i) == "string" and string.lower(entity) == string.lower(i) then return true elseif type(i) == "number" and entity == i then return true end end return false end