local component = require( "component" )                                                                                                                                           
local meClass = {}                                                                                                                                                                 
                                                                                                                                                                                   
function meClass:new()                                                                                                                                                             
    local o = {}                                                                                                                                                                   
    self.__index = self                                                                                                                                                            
    setmetatable(o, self)                                                                                                                                                          
    return o                                                                                                                                                                       
end                                                                                                                                                                                
                                                                                                                                                                                   
function meClass:asArray(table, list)                                                                                                                                              
    local k,v                                                                                                                                                                      
    local res={}                                                                                                                                                                   
    for k,v in pairs(table) do                                                                                                                                                     
        if type(v) == "table" then                                                                                                                                                 
            if type(list) == "table" then                                                                                                                                          
                local i,j                                                                                                                                                          
                for i,j in pairs(list) do                                                                                                                                          
                    if v.name == j then                                                                                                                                            
                        res[j] = v.amount                                                                                                                                          
                    end                                                                                                                                                            
                end                                                                                                                                                                
            else                                                                                                                                                                   
                res[v.name] = v.amount                                                                                                                                             
            end                                                                                                                                                                    
        end                                                                                                                                                                        
    end                                                                                                                                                                            
    return res                                                                                                                                                                     
end                                                                                                                                                                                
                                                                                                                                                                                   

function meClass:getGases(list)
    local me = component.me_controller
    local gases = me.getGasesInNetwork()
    return meClass:asArray(gases, list)
end