Esempio n. 1
0
        public void LoadXML(string filePath)
        {
            CriterionList   = new List <Criterion>();
            AlternativeList = new List <Alternative>();

            //load XML
            XmlDocument xmlDoc = new XmlDocument();

            xmlDoc.Load(filePath);

            string nameAttributeId        = "";
            string descriptionAttributeId = "";

            // iterate on its nodes
            foreach (XmlNode xmlNode in xmlDoc.DocumentElement.ChildNodes)
            {
                // first group of nodes are attributes
                // second - Electre meta data
                // third - objects
                if (xmlNode.Name == "ATTRIBUTES")
                {
                    foreach (XmlNode attribute in xmlNode)
                    {
                        Criterion criterion = new Criterion()
                        {
                            ID = attribute.Attributes["AttrID"].Value
                        };
                        // two specific groups of nodes may appear in attributes - name and description
                        // we don't want to save it as criterion
                        bool saveCriterion = true;

                        foreach (XmlNode attributePart in attribute)
                        {
                            var value = attributePart.Attributes["Value"].Value;

                            switch (attributePart.Name)
                            {
                            case "NAME":
                                criterion.Name = value;
                                break;

                            case "DESCRIPTION":
                                criterion.Description = value;
                                break;

                            case "CRITERION":
                                criterion.CriterionDirection = value == "Cost" ? "c" : "g";
                                break;

                            case "ROLE":
                                if (value == "Name")
                                {
                                    saveCriterion   = false;
                                    nameAttributeId = criterion.ID;
                                }
                                else if (value == "Description")
                                {
                                    saveCriterion          = false;
                                    descriptionAttributeId = criterion.ID;
                                }
                                else
                                {
                                    saveCriterion = true;
                                }

                                break;

                            case "TYPE":
                                break;

                            default:
                                Console.WriteLine("Improper XML structure");
                                return;
                            }
                        }

                        if (saveCriterion)
                        {
                            CriterionList.Add(criterion);
                        }
                    }
                }
                else if (xmlNode.Name == "OBJECTS")
                {
                    foreach (XmlNode instance in xmlNode)
                    {
                        Alternative alternative = new Alternative();
                        Dictionary <string, float> criteriaValuesDictionary = new Dictionary <string, float>();

                        foreach (XmlNode instancePart in instance)
                        {
                            var value       = instancePart.Attributes["Value"].Value;
                            var attributeID = instancePart.Attributes["AttrID"].Value;

                            if (attributeID == descriptionAttributeId)
                            {
                                alternative.Description = value;
                            }
                            else if (attributeID == nameAttributeId)
                            {
                                alternative.Name = value;
                            }
                            else
                            {
                                Criterion criterion = CriterionList.Find(element => element.ID == attributeID);
                                criteriaValuesDictionary.Add(criterion.Name, float.Parse(value, CultureInfo.InvariantCulture));
                            }
                        }

                        alternative.CriteriaValues = criteriaValuesDictionary;
                        AlternativeList.Add(alternative);
                    }
                }
            }
        }
Esempio n. 2
0
        public void LoadUTX(string filePath)
        {
            CriterionList   = new List <Criterion>();
            AlternativeList = new List <Alternative>();

            //load XML
            XmlDocument xmlDoc = new XmlDocument();

            xmlDoc.Load(@filePath);

            string descriptionAttributeName = "";

            // iterate on its nodes
            foreach (XmlNode xmlNode in xmlDoc.DocumentElement.ChildNodes)
            {
                if (xmlNode.Name == "ATTRIBUTES")
                {
                    foreach (XmlNode attribute in xmlNode)
                    {
                        Criterion criterion = new Criterion()
                        {
                            Name = attribute.Attributes["AttrID"].Value
                        };
                        bool saveCriterion = true;

                        foreach (XmlNode attributePart in attribute)
                        {
                            var value = attributePart.Attributes["Value"].Value;

                            switch (attributePart.Name)
                            {
                            case "DESCRIPTION":
                                criterion.Description = value;
                                break;

                            case "CRITERION":
                                criterion.CriterionDirection = value == "Cost" ? "c" : "g";
                                break;

                            case "ROLE":
                                if (value == "Description")
                                {
                                    saveCriterion            = false;
                                    descriptionAttributeName = criterion.Name;
                                }
                                else
                                {
                                    saveCriterion = true;
                                }
                                break;

                            case "TYPE":
                                break;

                            default:
                                Console.WriteLine("Improper XML structure");
                                return;
                            }
                        }

                        if (saveCriterion)
                        {
                            CriterionList.Add(criterion);
                        }
                    }
                }
                else if (xmlNode.Name == "OBJECTS")
                {
                    foreach (XmlNode instance in xmlNode)
                    {
                        Alternative alternative = new Alternative()
                        {
                            Name = instance.Attributes["ObjID"].Value
                        };
                        Dictionary <string, float> criteriaValuesDictionary = new Dictionary <string, float>();

                        foreach (XmlNode instancePart in instance)
                        {
                            var value         = instancePart.Attributes["Value"].Value;
                            var attributeName = instancePart.Attributes["AttrID"].Value;

                            if (attributeName == descriptionAttributeName)
                            {
                                alternative.Description = value;
                            }
                            else
                            {
                                Criterion criterion = CriterionList.Find(element => element.Name == attributeName);
                                criteriaValuesDictionary.Add(criterion.Name, float.Parse(value, CultureInfo.InvariantCulture));
                            }
                        }

                        alternative.CriteriaValues = criteriaValuesDictionary;
                        AlternativeList.Add(alternative);
                    }
                }
            }
        }