public static T Parse <T>(string value) { var type = typeof(T); if (type == typeof(TimeSpan)) { return((T)Convert.ChangeType(VariantBase.ParseTime(value), type)); } else { if (type == typeof(float)) { return((T)Convert.ChangeType(VariantBase.ParseSingle(value), type)); } else if (type == typeof(double)) { return((T)Convert.ChangeType(VariantBase.ParseDouble(value), type)); } else if (type == typeof(bool)) { return((T)Convert.ChangeType(VariantBase.ParseBoolean(value), type)); } else if (type == typeof(DateTime)) { return((T)Convert.ChangeType(VariantBase.ParseDateTime(value), type)); } else { return((T)Convert.ChangeType(value, type)); } } }
public static string ToString <T>(T value) { var type = typeof(T); if (type == typeof(TimeSpan)) { return(VariantBase.ToString((TimeSpan)Convert.ChangeType(value, type))); } else { if (type == typeof(double)) { return(VariantBase.ToString((double)Convert.ChangeType(value, type))); } else if (type == typeof(bool)) { return(VariantBase.ToString((bool)Convert.ChangeType(value, type))); } else if (type == typeof(DateTime)) { return(VariantBase.ToString((DateTime)Convert.ChangeType(value, type))); } else { return(value.ToString()); } } }
public static T Parse <T>(string value) { if (typeof(T) == typeof(TimeSpan)) { return((T)Convert.ChangeType(VariantBase.ParseTime(value), typeof(T))); } else { TypeCode typeCode = System.Type.GetTypeCode(typeof(T)); switch (typeCode) { case TypeCode.Single: return((T)Convert.ChangeType(VariantBase.ParseSingle(value), typeof(T))); case TypeCode.Double: return((T)Convert.ChangeType(VariantBase.ParseDouble(value), typeof(T))); case TypeCode.Boolean: return((T)Convert.ChangeType(VariantBase.ParseBoolean(value), typeof(T))); case TypeCode.DateTime: return((T)Convert.ChangeType(VariantBase.ParseDateTime(value), typeof(T))); default: return((T)Convert.ChangeType(value, typeof(T))); } } }
public static string ToString <T>(T value) { if (typeof(T) == typeof(TimeSpan)) { return(VariantBase.ToString((TimeSpan)Convert.ChangeType(value, typeof(TimeSpan)))); } else { TypeCode typeCode = System.Type.GetTypeCode(typeof(T)); switch (typeCode) { case TypeCode.Double: return(VariantBase.ToString((double)Convert.ChangeType(value, typeof(double)))); case TypeCode.Boolean: return(VariantBase.ToString((bool)Convert.ChangeType(value, typeof(bool)))); case TypeCode.DateTime: return(VariantBase.ToString((DateTime)Convert.ChangeType(value, typeof(DateTime)))); default: return(value.ToString()); } } }
private void WriteElement(Variant element) { WriteStartTag(m_stack.Peek().m_name); switch (element.Type) { case VariantBase.EnumType.None: { WriteAttributes(m_stack.Peek().m_attributes); break; } case VariantBase.EnumType.Any: case VariantBase.EnumType.String: case VariantBase.EnumType.Float: case VariantBase.EnumType.Double: case VariantBase.EnumType.Int32: case VariantBase.EnumType.UInt32: case VariantBase.EnumType.Int64: case VariantBase.EnumType.UInt64: case VariantBase.EnumType.Boolean: case VariantBase.EnumType.Date: case VariantBase.EnumType.Time: case VariantBase.EnumType.DateTime: { WriteAttributes(m_stack.Peek().m_attributes); WriteText(element); break; } case VariantBase.EnumType.Dictionary: case VariantBase.EnumType.Bag: { WriteAttributes(m_stack.Peek().m_attributes); if ((m_mode & XmlMode.Preserve) != 0) { if (element.ContainsKey(XmlConst.Attributes)) { WriteAttributes(element[XmlConst.Attributes]); } foreach (VariantItem item in element) { if (item.Key == XmlConst.Attributes) { continue; } else if (item.Key == XmlConst.Text) { WriteText(item.Value); } else if (item.Key == XmlConst.Instruction) { WriteInstruction(item.Value); } else if (item.Key == XmlConst.Comment) { WriteComment(item.Value); } else { Push(item.Key); WriteElement(item.Value); Pop(); } } } else { foreach (VariantItem item in element) { Push(item.Key); WriteVariant(item.Value); Pop(); } } break; } case VariantBase.EnumType.List: { WriteAttributes(m_stack.Peek().m_attributes); foreach (VariantItem item in element) { Push(); WriteVariant(item.Value); Pop(); } break; } case VariantBase.EnumType.Tuple: { m_stack.Peek().m_attributes.Add("size", new Variant(element.Count)); WriteAttributes(m_stack.Peek().m_attributes); foreach (VariantItem item in element) { Push(); WriteVariant(item.Value); Pop(); } break; } case VariantBase.EnumType.TimeSeries: { WriteAttributes(m_stack.Peek().m_attributes); foreach (VariantItem item in element) { Push().Add("time", new Variant(item.Time)); WriteVariant(item.Value); Pop(); } break; } case VariantBase.EnumType.Buffer: { WriteAttributes(m_stack.Peek().m_attributes); m_writer.WriteBase64(element.AsBuffer(), 0, element.AsBuffer().Length); break; } case VariantBase.EnumType.Object: { IVariantObject obj = element.AsObject(); // write class name m_stack.Peek().m_attributes.Add("class", new Variant(obj.Class)); m_stack.Peek().m_attributes.Add("version", new Variant(obj.Version)); WriteAttributes(m_stack.Peek().m_attributes); // write parameter dictionary Push("params"); WriteVariant(obj.Deflate()); Pop(); break; } case VariantBase.EnumType.Exception: { WriteAttributes(m_stack.Peek().m_attributes); VariantExceptionInfo e = element.AsException(); Push("type"); WriteElement(new Variant(e.Class)); Pop(); Push("message"); WriteElement(new Variant(e.Message)); Pop(); if (e.Source.Length != 0) { Push("source"); WriteElement(new Variant(e.Source)); Pop(); } if (e.Stack.Length != 0) { Push("stack"); WriteElement(new Variant(e.Stack)); Pop(); } break; } case VariantBase.EnumType.Array: { TypedArray array = element.AsArray(); m_stack.Peek().m_attributes.Add("size", new Variant(array.Count)); m_stack.Peek().m_attributes.Add("elementType", new Variant(array.ElementType.ToString())); WriteAttributes(m_stack.Peek().m_attributes); WriteDelegate writer = null; switch (array.ElementType) { case VariantBase.EnumType.Float: writer = o => m_writer.WriteString(VariantBase.ToString((float)o)); break; case VariantBase.EnumType.Double: writer = o => m_writer.WriteString(VariantBase.ToString((double)o)); break; case VariantBase.EnumType.String: writer = o => m_writer.WriteString((string)o); break; case VariantBase.EnumType.Boolean: writer = o => m_writer.WriteString(VariantBase.ToString((bool)o)); break; case VariantBase.EnumType.Int32: writer = o => m_writer.WriteString(VariantBase.ToString((int)o)); break; case VariantBase.EnumType.UInt32: writer = o => m_writer.WriteString(VariantBase.ToString((uint)o)); break; case VariantBase.EnumType.Int64: writer = o => m_writer.WriteString(VariantBase.ToString((long)o)); break; case VariantBase.EnumType.UInt64: writer = o => m_writer.WriteString(VariantBase.ToString((ulong)o)); break; case VariantBase.EnumType.Time: writer = o => m_writer.WriteString(VariantBase.ToString((TimeSpan)o)); break; case VariantBase.EnumType.DateTime: writer = o => m_writer.WriteString(VariantBase.ToString((DateTime)o)); break; default: throw new VariantException("Case exhaustion: " + array.ElementType); } for (int i = 0; i < array.Count; ++i) { m_writer.WriteStartElement(XmlConst.Default); writer(array[i]); m_writer.WriteEndElement(); } break; } case VariantBase.EnumType.DataTable: { #if !DISABLE_DATATABLE DataTable dataTable = element.AsDataTable(); m_stack.Peek().m_attributes.Add("rows", new Variant(dataTable.Rows.Count)); m_stack.Peek().m_attributes.Add("columns", new Variant(dataTable.Columns.Count)); WriteAttributes(m_stack.Peek().m_attributes); foreach (DataColumn col in dataTable.Columns) { Push("Column"); m_stack.Peek().m_attributes.Add("name", new Variant(col.ColumnName)); m_stack.Peek().m_attributes.Add("type", new Variant(VariantPrimitiveBase.TypeToEnum(col.DataType).ToString())); WriteElement(new Variant()); Pop(); } foreach (DataColumn col in dataTable.Columns) { Action <object> writer; switch (VariantPrimitiveBase.TypeToEnum(col.DataType)) { case VariantBase.EnumType.Float: writer = o => m_writer.WriteString(VariantBase.ToString((float)o)); break; case VariantBase.EnumType.Double: writer = o => m_writer.WriteString(VariantBase.ToString((double)o)); break; case VariantBase.EnumType.String: writer = o => m_writer.WriteString((string)o); break; case VariantBase.EnumType.Boolean: writer = o => m_writer.WriteString(VariantBase.ToString((bool)o)); break; case VariantBase.EnumType.Int32: writer = o => m_writer.WriteString(VariantBase.ToString((int)o)); break; case VariantBase.EnumType.UInt32: writer = o => m_writer.WriteString(VariantBase.ToString((uint)o)); break; case VariantBase.EnumType.Int64: writer = o => m_writer.WriteString(VariantBase.ToString((long)o)); break; case VariantBase.EnumType.UInt64: writer = o => m_writer.WriteString(VariantBase.ToString((ulong)o)); break; case VariantBase.EnumType.Time: writer = o => m_writer.WriteString(VariantBase.ToString((TimeSpan)o)); break; case VariantBase.EnumType.DateTime: writer = o => m_writer.WriteString(VariantBase.ToString((DateTime)o)); break; default: throw new VariantException("Case exhaustion: " + VariantPrimitiveBase.TypeToEnum(col.DataType)); } Push("Column").Add("name", new Variant(col.ColumnName)); WriteStartTag("s"); WriteAttributes(m_stack.Peek().m_attributes); foreach (DataRow row in dataTable.Rows) { m_writer.WriteStartElement(XmlConst.Default); writer(row[col]); m_writer.WriteEndElement(); } WriteEndTag(); Pop(); } break; #else throw new NotSupportedException("Datatables are not supported on this platform."); #endif } default: throw new VariantException("Case exhaustion: " + element.Type); } WriteEndTag(); }
protected VariantBase(VariantBase rhs) { EnumType type = rhs.Type; switch (type) { case EnumType.None: Value = new VariantNone(); break; case EnumType.Boolean: Value = new VariantPrimitive <bool>(rhs.Value as VariantPrimitive <bool>); break; case EnumType.Double: Value = new VariantPrimitive <double>(rhs.Value as VariantPrimitive <double>); break; case EnumType.Int32: Value = new VariantPrimitive <Int32>(rhs.Value as VariantPrimitive <Int32>); break; case EnumType.UInt32: Value = new VariantPrimitive <UInt32>(rhs.Value as VariantPrimitive <UInt32>); break; case EnumType.Int64: Value = new VariantPrimitive <Int64>(rhs.Value as VariantPrimitive <Int64>); break; case EnumType.UInt64: Value = new VariantPrimitive <UInt64>(rhs.Value as VariantPrimitive <UInt64>); break; case EnumType.DateTime: Value = new VariantPrimitive <DateTime>(rhs.Value as VariantPrimitive <DateTime>); break; case EnumType.Time: Value = new VariantPrimitive <TimeSpan>(rhs.Value as VariantPrimitive <TimeSpan>); break; case EnumType.String: Value = new VariantPrimitive <String>(rhs.Value as VariantPrimitive <String>); break; case EnumType.Any: Value = new VariantAny(rhs.Value as VariantAny); break; case EnumType.List: Value = new VariantList(rhs.Value as VariantList); break; case EnumType.Dictionary: Value = new VariantDictionary(rhs.Value as VariantDictionary); break; case EnumType.Bag: Value = new VariantBag(rhs.Value as VariantBag); break; case EnumType.TimeSeries: Value = new VariantTimeSeries(rhs.Value as VariantTimeSeries); break; case EnumType.Tuple: Value = new VariantTuple(rhs.Value as VariantTuple); break; case EnumType.Buffer: Value = new VariantBuffer(rhs.Value as VariantBuffer); break; case EnumType.Exception: Value = new VariantExceptionInfo(rhs.Value as VariantExceptionInfo); break; default: throw new VariantException("Cannot copy variant of type: " + type.ToString()); } }