System.Xml.Serialization.XmlSerializationWriterCodeGen.WritePrimitive C# (CSharp) Method

        private void WritePrimitive(string method, string name, string ns, object defaultValue, string source, TypeMapping mapping, bool writeXsiType, bool isElement, bool isNullable)
        {
            TypeDesc typeDesc = mapping.TypeDesc;
            bool hasDefault = defaultValue != null && defaultValue != DBNull.Value && mapping.TypeDesc.HasDefaultSupport;
            if (hasDefault)
            {
                if (mapping is EnumMapping)
                {
#if DEBUG
                        // use exception in the place of Debug.Assert to avoid throwing asserts from a server process such as aspnet_ewp.exe
                        if (defaultValue.GetType() != typeof(string)) throw new InvalidOperationException(SR.Format(SR.XmlInternalErrorDetails, name + " has invalid default type " + defaultValue.GetType().Name));
#endif

                    Writer.Write("if (");
                    if (mapping.TypeDesc.UseReflection)
                        Writer.Write(RaCodeGen.GetStringForEnumLongValue(source, mapping.TypeDesc.UseReflection));
                    else
                        Writer.Write(source);
                    Writer.Write(" != ");
                    if (((EnumMapping)mapping).IsFlags)
                    {
                        Writer.Write("(");
                        string[] values = ((string)defaultValue).Split(null);
                        for (int i = 0; i < values.Length; i++)
                        {
                            if (values[i] == null || values[i].Length == 0)
                                continue;
                            if (i > 0)
                                Writer.WriteLine(" | ");
                            Writer.Write(RaCodeGen.GetStringForEnumCompare((EnumMapping)mapping, values[i], mapping.TypeDesc.UseReflection));
                        }
                        Writer.Write(")");
                    }
                    else
                    {
                        Writer.Write(RaCodeGen.GetStringForEnumCompare((EnumMapping)mapping, (string)defaultValue, mapping.TypeDesc.UseReflection));
                    }
                    Writer.Write(")");
                }
                else
                {
                    WriteCheckDefault(source, defaultValue, isNullable);
                }
                Writer.WriteLine(" {");
                Writer.Indent++;
            }
            Writer.Write(method);
            Writer.Write("(");
            WriteQuotedCSharpString(name);
            if (ns != null)
            {
                Writer.Write(", ");
                WriteQuotedCSharpString(ns);
            }
            Writer.Write(", ");

            if (mapping is EnumMapping)
            {
                WriteEnumValue((EnumMapping)mapping, source);
            }
            else
            {
                WritePrimitiveValue(typeDesc, source, isElement);
            }

            if (writeXsiType)
            {
                Writer.Write(", new System.Xml.XmlQualifiedName(");
                WriteQuotedCSharpString(mapping.TypeName);
                Writer.Write(", ");
                WriteQuotedCSharpString(mapping.Namespace);
                Writer.Write(")");
            }

            Writer.WriteLine(");");

            if (hasDefault)
            {
                Writer.Indent--;
                Writer.WriteLine("}");
            }
        }