ruby,xml

    def check_enx_var(filePath)
        result = ""
        xmlFile = File.new(filePath)
        xml = Document.new(xmlFile)
        xml.elements.each("logic_environment/devices/device") do |dev|
            dev.elements.each("parameters") do |paras|
                paras.each_element_with_attribute('name') do |para|
                    if para.attributes['name'] == 'class' and (para.attributes['value'] == 'Ne' or para.attributes['value'] == 'Instru::Dev' or para.attributes['value'] == 'Instru::Eth::Chassis')
                        paras.each_element_with_attribute('name') do |para|
                            #获取dut的网元名
                            if para.attributes['name'] == 'objname'
                                dutName = para.attributes['value']
                                p dutName
                                if dutName !~ /(dut\d*)|(lsw\d*)|(rt\d*)|(dslam\d*)|(bas\d*)|(instruct\d*)/i
                                    result += "#{dutName},"
                                end
                            end
                        end
                        #获取接口的网元名
                        dev.elements.each("devices/device/parameters") do |paras|
                            paras.each_element_with_attribute('name') do |para|
                                if para.attributes['name'] == 'class' and para.attributes['value'] == 'Port'
                                    paras.each_element_with_attribute('name') do |para|
                                        #获取接口的网元名
                                        if para.attributes['name'] == 'objname'
                                            portName = para.attributes['value']
                                            p portName
                                            result += "#{portName}," if portName !~ /port\d+_[a-z]+\d*_to[A-Z][a-z]+\d*/
                                        end
                                    end
                                end
                            end
                        end
                    end
                end
            end
        end
        xml.elements.each("logic_environment/links/link/parameter") do |para|
            if para.attributes['name'] == 'objname'
                linkName = para.attributes['value']
                p linkName
                result += "#{linkName}," if linkName !~ /connect\d+/
            end
        end
        xmlFile.close
        if result != ""
            result = result.chop + "命名不合规范。"
            return result
        else
            return true
        end
    end