public static EmpDocument Create(MondaiDocument mondaiDocument)
        {
            var result = new FishDocument();
            var documentElement = new FishElement("document");
            documentElement.Items.Add(new FishElement("id", mondaiDocument.Id));
            documentElement.Items.Add(new FishElement("title", mondaiDocument.Name));
            result.Items.Add(documentElement);

            documentElement.Items.AddRange
            (
                mondaiDocument.Items.Select(daimon =>
                {
                    var daimonElement = new FishElement("daimon");
                    daimonElement.Items.Add(new FishElement("id", daimon.Id));
                    daimonElement.Items.Add(new FishElement("title", daimon.Name));
                    daimonElement.Items.AddRange
                    (
                        daimon.Items.Select(chumon =>
                        {
                            var chumonElement = new FishElement("chumon");
                            chumonElement.Items.Add(new FishElement("id", chumon.Id));
                            chumonElement.Items.Add(new FishElement("title", chumon.Name));
                            if (chumon.IsShuffled)
                            {
                                chumonElement.Items.Add(new FishElement("shuffle", "true"));
                            }
                            if (chumon.IsOptional)
                            {
                                chumonElement.Items.Add(new FishElement("optional", "true"));
                            }
                            chumonElement.Items.AddRange(chumon.HelpIds.Select(helpId => new FishElement("helpId", helpId)));
                            chumonElement.Items.AddRange
                            (
                                chumon.Items.Select(mondai =>
                                {
                                    var shomon = mondai as Shomon;
                                    if (null != shomon)
                                    {
                                        return Create(shomon);
                                    }
                                    var ankimon = mondai as Ankimon;
                                    if (null != ankimon)
                                    {
                                        return Create(ankimon);
                                    }
                                    throw new ApplicationException();
                                })
                            );
                            return chumonElement;
                        })
                    );
                    return daimonElement;
                })
            );

            var emp = new EmpDocument();
            emp._fishDocument = result;
            return emp;
        }
        public void Test1()
        {
            var fishDoc = new FishDocument(
            @"

            element1
            {
            text1

            text2
            }

            ");
            Assert.AreEqual(1, fishDoc.Items.Count());

            var element = fishDoc.Items.First();
            Assert.AreEqual("element1", element.Name);
            Assert.AreEqual(
            @"text1

            text2", element.Value);
            Assert.IsEmpty(element.Items);
        }
 public string GetVersion(FishDocument fishDocument)
 {
     var e = fishDocument.Element("version");
     return null == e ? "1.0" : e.Value;
 }