public bool NegTest2() { bool retVal = true; TestLibrary.TestFramework.BeginScenario("NegTest2: Convert a int32 which is bigger than char to char "); try { Int32 i1 = 65536; IConvertible Icon1 = (IConvertible)i1; char c1 = Icon1.ToChar(null); TestLibrary.TestFramework.LogError("103", "OverflowException was not thrown as expected "); retVal = false; } catch (OverflowException) { } catch (Exception e) { TestLibrary.TestFramework.LogError("104", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public bool NegTest3() { bool retVal = true; CultureInfo myculture = new CultureInfo("en-us"); IFormatProvider provider = myculture.NumberFormat; TestLibrary.TestFramework.BeginScenario("NegTest3:The Int64 value which is out the range of Char IConvertible To Char 3"); try { long int64A = TestLibrary.Generator.GetInt64(-55); if (int64A <= 65535) { int64A = int64A + 65536; } IConvertible iConvert = (IConvertible)(int64A); char charA = iConvert.ToChar(provider); retVal = false; TestLibrary.TestFramework.LogError("N005", "Int64 value out of the range of char but not throw exception"); } catch (OverflowException) { } catch (Exception e) { TestLibrary.TestFramework.LogError("N006", "Unexpected exception: " + e); retVal = false; } return(retVal); }
private object PromoteNumericArgument(Type type, object argument) { IConvertible convertible = (IConvertible)argument; switch (Type.GetTypeCode(type)) { case TypeCode.Byte: return(convertible.ToByte(null)); case TypeCode.SByte: return(convertible.ToSByte(null)); case TypeCode.Int16: return(convertible.ToInt16(null)); case TypeCode.Int32: return(convertible.ToInt32(null)); case TypeCode.Int64: return(convertible.ToInt64(null)); case TypeCode.UInt16: return(convertible.ToUInt16(null)); case TypeCode.UInt32: return(convertible.ToUInt32(null)); case TypeCode.UInt64: return(convertible.ToUInt64(null)); case TypeCode.Single: return(convertible.ToSingle(null)); case TypeCode.Double: return(convertible.ToDouble(null)); case TypeCode.Boolean: return(convertible.ToBoolean(null)); case TypeCode.Decimal: return(convertible.ToDecimal(null)); case TypeCode.Char: return(convertible.ToChar(null)); } throw new ArgumentException(); }
public bool PosTest2() { bool retVal = true; TestLibrary.TestFramework.BeginScenario("PosTest2: Convert zero to char "); try { Int16 i1 = 0; IConvertible Icon1 = (IConvertible)i1; char c1 = Icon1.ToChar(null); if (c1 != i1) { TestLibrary.TestFramework.LogError("003", "The result is not the value as expected "); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("004", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public bool PosTest3() { bool retVal = true; CultureInfo myculture = new CultureInfo("el-GR"); IFormatProvider provider = myculture.NumberFormat; TestLibrary.TestFramework.BeginScenario("PosTest3:The Int64 value which is in the range of Char IConvertible To Char 3"); try { long int64A = (long)this.GetInt32(1, 65535); IConvertible iConvert = (IConvertible)(int64A); char charA = iConvert.ToChar(provider); if (charA != (char)(int64A)) { TestLibrary.TestFramework.LogError("005", "the ActualResult is not the ExpectResult"); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("006", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public void TestToChar() { JulianDate julianDate = new JulianDate(100); IConvertible convertible = julianDate; convertible.ToChar(null); }
public bool PosTest2() { bool retVal = true; const string c_TEST_ID = "P002"; const string c_TEST_DESC = "PosTest2: Char.MaxValue"; string errorDesc; char expectedChar = char.MaxValue; char actualChar; TestLibrary.TestFramework.BeginScenario(c_TEST_DESC); try { IConvertible converter = expectedChar; actualChar = converter.ToChar(null); if (actualChar != expectedChar) { errorDesc = string.Format("Character is not \\u{0:x} as expected: Actual(\\u{1:x}", (int)expectedChar, (int)actualChar); TestLibrary.TestFramework.LogError("003" + " TestId-" + c_TEST_ID, errorDesc); retVal = false; } } catch (Exception e) { errorDesc = "Unexpected exception: " + e; TestLibrary.TestFramework.LogError("004" + " TestId-" + c_TEST_ID, errorDesc); retVal = false; } return(retVal); }
public bool NegTest1() { bool retVal = true; TestLibrary.TestFramework.BeginScenario("NegTest1: Convert a negative int32 to char"); try { Int32 i1 = (Int32)TestLibrary.Generator.GetChar(-55); IConvertible Icon1 = (IConvertible)(-i1); char c1 = Icon1.ToChar(null); TestLibrary.TestFramework.LogError("101", "OverflowException was not thrown as expected "); retVal = false; } catch (OverflowException) { } catch (Exception e) { TestLibrary.TestFramework.LogError("102", "Unexpected exception: " + e); retVal = false; } return(retVal); }
/////////////////////////////////////////////////////////////////////////////////////////////// public static bool ToCharacter(Number number, ref char value) { bool result = false; try { if (number != null) { if (number.IsCharacter()) { value = (char)number.Value; result = true; } else { IConvertible convertible = number.Value as IConvertible; if (convertible != null) { value = convertible.ToChar(null); result = true; } } } } catch { // do nothing. } return(result); }
public bool PosTest1() { bool retVal = true; // Add your scenario description here TestLibrary.TestFramework.BeginScenario("PosTest1: Convert a random (Int32)char to char "); try { Int32 i1 = (Int32)TestLibrary.Generator.GetChar(-55); IConvertible Icon1 = (IConvertible)i1; char c1 = Icon1.ToChar(null); if (c1 != i1) { TestLibrary.TestFramework.LogError("001", "The result is not the value as expected "); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("002", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public bool PosTest3() { bool retVal = true; // Add your scenario description here TestLibrary.TestFramework.BeginScenario("PosTest3: Check the border value of char "); try { Int32 i1 = 65535; IConvertible Icon1 = (IConvertible)i1; char c1 = Icon1.ToChar(null); if (c1 != i1) { TestLibrary.TestFramework.LogError("005", "The result is not the value as expected "); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("006", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public bool PosTest1() { bool retVal = true; CultureInfo myculture = new CultureInfo("en-us"); IFormatProvider provider = myculture.NumberFormat; TestLibrary.TestFramework.BeginScenario("PosTest1:The sbyte MaxValue IConvertible To Char"); try { sbyte sbyteVal = sbyte.MaxValue; IConvertible iConvert = (IConvertible)(sbyteVal); char charVal = iConvert.ToChar(provider); if (charVal != 127) { TestLibrary.TestFramework.LogError("001", "the ActualResult is not the ExpectResult"); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("002", "Unexpected exception: " + e); retVal = false; } return(retVal); }
public bool PosTest3() { bool retVal = true; CultureInfo myculture = new CultureInfo("en-us"); IFormatProvider provider = myculture.NumberFormat; TestLibrary.TestFramework.BeginScenario("PosTest3:The random sbyte IConvertible To Char 2"); try { sbyte sbyteVal = (sbyte)(this.GetInt32(0, 128)); IConvertible iConvert = (IConvertible)(sbyteVal); char charVal = iConvert.ToChar(provider); if (charVal != (char)(sbyteVal)) { TestLibrary.TestFramework.LogError("005", "the ActualResult is not the ExpectResult"); retVal = false; } } catch (Exception e) { TestLibrary.TestFramework.LogError("006", "Unexpected exception: " + e); retVal = false; } return(retVal); }
private static bool TryConvert(object input, IFormatProvider provider, out char value) { if (IsNullOrEmptyString(input)) { value = '\0'; return(false); } if (!(input is string)) { IConvertible ic = input as IConvertible; if (ic != null) { try { value = ic.ToChar(provider); return(true); } catch { } } } string s = Convert.ToString(input, provider); return(char.TryParse(s, out value)); }
/// <summary> /// Converts object value to invariant format (understood by JavaScript) /// </summary> /// <param name="value">Object value</param> /// <param name="objTypeCode">Object TypeCode</param> /// <param name="safeConversion">Check and remove unusual unicode characters from the result string.</param> /// <returns>Object value converted to string</returns> internal static string XmlConvertToString(IConvertible value, TypeCode objTypeCode, bool safeConversion = false) { if (value == null) { return("null"); } switch (objTypeCode) { case TypeCode.Boolean: return(XmlConvert.ToString(value.ToBoolean(CultureInfo.InvariantCulture))); // boolean as lowercase case TypeCode.Byte: return(XmlConvert.ToString(value.ToByte(CultureInfo.InvariantCulture))); case TypeCode.SByte: return(XmlConvert.ToString(value.ToSByte(CultureInfo.InvariantCulture))); case TypeCode.Int16: return(XmlConvert.ToString(value.ToInt16(CultureInfo.InvariantCulture))); case TypeCode.Int32: return(XmlConvert.ToString(value.ToInt32(CultureInfo.InvariantCulture))); case TypeCode.Int64: return(XmlConvert.ToString(value.ToInt64(CultureInfo.InvariantCulture))); case TypeCode.UInt16: return(XmlConvert.ToString(value.ToUInt16(CultureInfo.InvariantCulture))); case TypeCode.UInt32: return(XmlConvert.ToString(value.ToUInt32(CultureInfo.InvariantCulture))); case TypeCode.UInt64: return(XmlConvert.ToString(value.ToUInt64(CultureInfo.InvariantCulture))); case TypeCode.Single: return(XmlConvertToString(value.ToSingle(CultureInfo.InvariantCulture))); case TypeCode.Double: return(XmlConvertToString(value.ToDouble(CultureInfo.InvariantCulture))); case TypeCode.Decimal: return(XmlConvertToString(value.ToDecimal(CultureInfo.InvariantCulture))); case TypeCode.DateTime: return(XmlConvert.ToString(value.ToDateTime(CultureInfo.InvariantCulture), XmlDateTimeSerializationMode.Utc)); case TypeCode.Char: return(XmlConvert.ToString(value.ToChar(CultureInfo.InvariantCulture))); case TypeCode.String: return(safeConversion ? RemoveInvalidXmlChars(value.ToString(CultureInfo.InvariantCulture)) : value.ToString(CultureInfo.InvariantCulture)); default: return(XmlConvertToStringInvariant(value, safeConversion)); } }
private static void CallEII() { // <Snippet7> int codePoint = 1067; IConvertible iConv = codePoint; char ch = iConv.ToChar(null); Console.WriteLine("Converted {0} to {1}.", codePoint, ch); // </Snippet7> }
public void op_ToChar_IFormatProvider() { const char expected = (char)123; IConvertible value = (AlphaDecimal)123; var actual = value.ToChar(CultureInfo.InvariantCulture); Assert.Equal(expected, actual); }
/// <summary> /// /// </summary> /// <typeparam name="T"></typeparam> /// <param name="conv"></param> /// <param name="formatProvider"></param> /// <returns></returns> private static T To <T>(IConvertible conv, IFormatProvider formatProvider = null) { formatProvider = formatProvider ?? CultureInfo.CurrentCulture; switch (typeof(T).Name) { case TypeNames.BOOLEAN: return(conv.ToBoolean(formatProvider).To <T>()); case TypeNames.BYTE: return(conv.ToByte(formatProvider).To <T>()); case TypeNames.CHAR: return(conv.ToChar(formatProvider).To <T>()); case TypeNames.DATE_TIME: return(conv.ToDateTime(formatProvider).To <T>()); case TypeNames.DECIMAL: return(conv.ToDecimal(formatProvider).To <T>()); case TypeNames.DOUBLE: return(conv.ToDouble(formatProvider).To <T>()); case TypeNames.INT16: return(conv.ToInt16(formatProvider).To <T>()); case TypeNames.INT32: return(conv.ToInt32(formatProvider).To <T>()); case TypeNames.INT64: return(conv.ToInt64(formatProvider).To <T>()); case TypeNames.S_BYTE: return(conv.ToSByte(formatProvider).To <T>()); case TypeNames.SINGLE: return(conv.ToSingle(formatProvider).To <T>()); case TypeNames.STRING: return(conv.ToString(formatProvider).To <T>()); case TypeNames.U_INT16: return(conv.ToUInt16(formatProvider).To <T>()); case TypeNames.U_INT32: return(conv.ToUInt32(formatProvider).To <T>()); case TypeNames.U_INT64: return(conv.ToUInt64(formatProvider).To <T>()); default: return(default(T)); } }
static void AppendValue(StringBuilder builder, IConvertible convertable) { switch (convertable.GetTypeCode()) { case TypeCode.SByte: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X2}: {0}\r\n", convertable.ToSByte(null)); break; case TypeCode.Int16: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X4}: {0}\r\n", convertable.ToInt16(null)); break; case TypeCode.Int32: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X8}: {0}\r\n", convertable.ToInt32(null)); break; case TypeCode.Int64: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X16}: {0}\r\n", convertable.ToInt64(null)); break; case TypeCode.Byte: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X2}: {0}\r\n", convertable.ToByte(null)); break; case TypeCode.UInt16: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X4}: {0}\r\n", convertable.ToUInt16(null)); break; case TypeCode.UInt32: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X8}: {0}\r\n", convertable.ToUInt32(null)); break; case TypeCode.UInt64: builder.AppendFormat(CultureInfo.InvariantCulture, "0x{0:X16}: {0}\r\n", convertable.ToUInt64(null)); break; case TypeCode.Char: AppendCharValue(builder, convertable.ToChar(null)); break; case TypeCode.String: AppendStringValue(builder, convertable.ToString(null)); break; case TypeCode.DateTime: AppendDateTime(builder, convertable.ToDateTime(null)); break; default: builder.AppendFormat(CultureInfo.InvariantCulture, "{0}\r\n", convertable); break; } }
public void ToCharTest() { IConvertible target = (Half)64UL; IFormatProvider provider = CultureInfo.InvariantCulture; try { char actual = target.ToChar(provider); Assert.True(false); } catch (InvalidCastException) { } }
static void Test_ToChar(IConvertible c) { Console.WriteLine("ToChar"); try { Console.WriteLine(c.ToChar(null)); } catch (Exception exc) { Console.WriteLine(exc.GetType()); } }
private static IEnumerable <byte> GetBytesFromConvertible(Type type, IConvertible value, uint defaultStringLength) { IEnumerable <byte> varValueBytes = null; if (value == null) { return(null); } switch (value.GetTypeCode()) { case TypeCode.Boolean: varValueBytes = BitConverter.GetBytes(value.ToBoolean(null)); break; case TypeCode.Byte: varValueBytes = new byte[] { value.ToByte(null) }; break; case TypeCode.Char: varValueBytes = BitConverter.GetBytes(value.ToChar(null)); break; case TypeCode.Int16: varValueBytes = BitConverter.GetBytes(value.ToInt16(null)); break; case TypeCode.Int32: varValueBytes = BitConverter.GetBytes(value.ToInt32(null)); break; case TypeCode.Int64: varValueBytes = BitConverter.GetBytes(value.ToInt64(null)); break; case TypeCode.UInt16: varValueBytes = BitConverter.GetBytes(value.ToUInt16(null)); break; case TypeCode.UInt32: varValueBytes = BitConverter.GetBytes(value.ToUInt32(null)); break; case TypeCode.UInt64: varValueBytes = BitConverter.GetBytes(value.ToUInt64(null)); break; case TypeCode.Single: varValueBytes = BitConverter.GetBytes(value.ToSingle(null)); break; case TypeCode.Double: varValueBytes = BitConverter.GetBytes(value.ToDouble(null)); break; case TypeCode.DateTime: varValueBytes = BitConverter.GetBytes(value.ToInt32(null)); break; case TypeCode.String: varValueBytes = value.ToString().ToAdsBytes(); break; case TypeCode.Object: if (Type.Equals(typeof(Date), type)) { varValueBytes = BitConverter.GetBytes(value.ToInt32(null)); } if (Type.Equals(typeof(Time), type)) { varValueBytes = BitConverter.GetBytes(value.ToInt32(null)); } break; } return(varValueBytes); }
/// <summary> /// Returns the specified value as an array of bytes in the target endian-order. /// </summary> /// <param name="value">The value to convert.</param> /// <returns>An array of bytes with length 1.</returns> /// <typeparam name="T">Native value type to get bytes for.</typeparam> /// <exception cref="ArgumentException"><paramref name="value"/> type is not primitive.</exception> /// <exception cref="InvalidOperationException">Cannot get bytes for <paramref name="value"/> type.</exception> public byte[] GetBytes <T>(T value) where T : struct { if (!typeof(T).IsPrimitive) { throw new ArgumentException("Value type is not primitive", "value"); } IConvertible nativeValue = (IConvertible)value; switch (nativeValue.GetTypeCode()) { case TypeCode.Char: return(GetBytes(nativeValue.ToChar(null))); case TypeCode.Boolean: return(GetBytes(nativeValue.ToBoolean(null))); case TypeCode.SByte: return(GetBytes(nativeValue.ToSByte(null))); case TypeCode.Byte: return(GetBytes(nativeValue.ToByte(null))); case TypeCode.Int16: return(GetBytes(nativeValue.ToInt16(null))); case TypeCode.UInt16: return(GetBytes(nativeValue.ToUInt16(null))); case TypeCode.Int32: return(GetBytes(nativeValue.ToInt32(null))); case TypeCode.UInt32: return(GetBytes(nativeValue.ToUInt32(null))); case TypeCode.Int64: return(GetBytes(nativeValue.ToInt64(null))); case TypeCode.UInt64: return(GetBytes(nativeValue.ToUInt64(null))); case TypeCode.Single: return(GetBytes(nativeValue.ToSingle(null))); case TypeCode.Double: return(GetBytes(nativeValue.ToDouble(null))); default: throw new InvalidOperationException("Cannot get bytes for value type " + nativeValue.GetTypeCode()); } }
public void SetAsIConvertible(IConvertible value) { Debug.Assert(IsEmpty); // The setter can only be called once as VariantClear might be needed otherwise TypeCode tc = value.GetTypeCode(); CultureInfo ci = CultureInfo.CurrentCulture; switch (tc) { case TypeCode.Empty: break; case TypeCode.Object: AsUnknown = value; break; case TypeCode.DBNull: SetAsNull(); break; case TypeCode.Boolean: AsBool = value.ToBoolean(ci); break; case TypeCode.Char: AsUi2 = value.ToChar(ci); break; case TypeCode.SByte: AsI1 = value.ToSByte(ci); break; case TypeCode.Byte: AsUi1 = value.ToByte(ci); break; case TypeCode.Int16: AsI2 = value.ToInt16(ci); break; case TypeCode.UInt16: AsUi2 = value.ToUInt16(ci); break; case TypeCode.Int32: AsI4 = value.ToInt32(ci); break; case TypeCode.UInt32: AsUi4 = value.ToUInt32(ci); break; case TypeCode.Int64: AsI8 = value.ToInt64(ci); break; case TypeCode.UInt64: AsI8 = value.ToInt64(ci); break; case TypeCode.Single: AsR4 = value.ToSingle(ci); break; case TypeCode.Double: AsR8 = value.ToDouble(ci); break; case TypeCode.Decimal: AsDecimal = value.ToDecimal(ci); break; case TypeCode.DateTime: AsDate = value.ToDateTime(ci); break; case TypeCode.String: AsBstr = value.ToString(ci); break; default: throw Assert.Unreachable; } }
private static void ConvertIntToChar() { try { int value = 25; IConvertible converter = value; Char character = converter.ToChar(null); Logging.Log($"Conversion from Int to Char succeeded."); } catch (System.InvalidCastException exception) { Logging.Log("Conversion failed."); Logging.Log(exception); } }
// InvalidCastException // -------------------- public void Test_5() { bool flag = false; try { IConvertible conv = flag; Char ch = conv.ToChar(null); //错误:类型转换错误 } catch (InvalidCastException ex) { Console.WriteLine("Exception caught: {0}", ex); } finally { Console.WriteLine("Done!"); } }
public static object DefaultConvertToType(IConvertible value, Type destinationType, IFormatProvider provider) { if (value.GetType() == destinationType) { return(value); } switch (Type.GetTypeCode(destinationType)) { case TypeCode.Boolean: return(value.ToBoolean(provider)); case TypeCode.Byte: return(value.ToByte(provider)); case TypeCode.Char: return(value.ToChar(provider)); case TypeCode.DateTime: return(value.ToDateTime(provider)); case TypeCode.Decimal: return(value.ToDecimal(provider)); case TypeCode.Double: return(value.ToDouble(provider)); case TypeCode.Int16: return(value.ToInt16(provider)); case TypeCode.Int32: return(value.ToInt32(provider)); case TypeCode.Int64: return(value.ToInt64(provider)); case TypeCode.SByte: return(value.ToSByte(provider)); case TypeCode.Single: return(value.ToSingle(provider)); case TypeCode.String: return(value.ToString(provider)); case TypeCode.UInt16: return(value.ToUInt16(provider)); case TypeCode.UInt32: return(value.ToUInt32(provider)); case TypeCode.UInt64: return(value.ToUInt64(provider)); default: throw new InvalidCastException("Can't convert from " + value.GetType().FullName + " to " + (destinationType == null ? "NULL" : destinationType.FullName)); } }
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is null) { return(base.ConvertFrom(context, culture, value)); } Type fromType = value.GetType(); if (fromType.IsNullable()) { fromType = fromType.GetGenericArguments()[0]; } TypeCode fromTypeCode = Type.GetTypeCode(fromType); IConvertible convertible = value as IConvertible; switch (fromTypeCode) { case TypeCode.DBNull: return(default); case TypeCode.Boolean: return((Boolean)value ? '1' : '0'); case TypeCode.Char: return((Char)value); case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.UInt32: case TypeCode.UInt64: case TypeCode.Single: case TypeCode.Double: case TypeCode.Decimal: case TypeCode.DateTime: return(convertible.ToChar(defaultProvider)); default: return(base.ConvertFrom(context, culture, value)); } }
static void invalidcast() { Console.WriteLine("in this task i have used a boolean value and tried to cast it as a character value, which is going to throw the exception"); Console.WriteLine("-----------------"); Console.WriteLine(); Console.WriteLine("after execution:"); bool value = true; try { IConvertible conv = value; Char ch = conv.ToChar(null); Console.WriteLine("Conversion succeeded."); } catch (InvalidCastException exception) { Console.WriteLine(exception.GetType().ToString() + " was detected " + "\nwith message: " + exception.Message); Console.WriteLine(); } }
public static char FromObject(object Value) { if (Value == null) { return('\0'); } IConvertible convertible = Value as IConvertible; if (convertible != null) { switch (convertible.GetTypeCode()) { case TypeCode.Char: return(convertible.ToChar(null)); case TypeCode.String: return(FromString(convertible.ToString(null))); } } throw new InvalidCastException(Utils.GetResourceString("InvalidCast_FromTo", new string[] { Utils.VBFriendlyName(Value), "Char" })); }
internal static double ToNumber(object value, IConvertible ic) { switch (GetTypeCode(value, ic)) { case TypeCode.Empty: return double.NaN; case TypeCode.Object: case TypeCode.DateTime: { object obj2 = ToPrimitive(value, PreferredType.Number, ref ic); if (obj2 == value) { return double.NaN; } return ToNumber(obj2, ic); } case TypeCode.DBNull: return 0.0; case TypeCode.Boolean: return (ic.ToBoolean(null) ? ((double) 1) : ((double) 0)); case TypeCode.Char: return (double) ic.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: return (double) ic.ToInt32(null); case TypeCode.UInt32: case TypeCode.Int64: return (double) ic.ToInt64(null); case TypeCode.UInt64: return (double) ic.ToUInt64(null); case TypeCode.Single: case TypeCode.Double: case TypeCode.Decimal: return ic.ToDouble(null); case TypeCode.String: return ToNumber(ic.ToString(null)); } return 0.0; }
internal static uint ToUint32(object value, IConvertible ic) { switch (GetTypeCode(value, ic)) { case TypeCode.Empty: return 0; case TypeCode.Object: case TypeCode.DateTime: { object obj2 = ToPrimitive(value, PreferredType.Number, ref ic); if (obj2 == value) { return 0; } return ToUint32(obj2, ic); } case TypeCode.DBNull: return 0; case TypeCode.Boolean: if (ic.ToBoolean(null)) { return 1; } return 0; case TypeCode.Char: return ic.ToChar(null); case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: return (uint) ic.ToInt64(null); case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.UInt32: return ic.ToUInt32(null); case TypeCode.UInt64: return (uint) ic.ToUInt64(null); case TypeCode.Single: case TypeCode.Double: return (uint) Runtime.DoubleToInt64(ic.ToDouble(null)); case TypeCode.Decimal: return (uint) Runtime.UncheckedDecimalToInt64(ic.ToDecimal(null)); case TypeCode.String: return (uint) Runtime.DoubleToInt64(ToNumber(ic.ToString(null))); } return 0; }
protected void EncodeConvertible(IConvertible value, Stream output) { output.WriteByte((byte)value.GetTypeCode()); byte[] result; switch (value.GetTypeCode()) { // the following encode directly on the stream case TypeCode.Boolean: output.WriteByte((byte)((bool)value ? 1 : 0)); return; case TypeCode.Byte: output.WriteByte(value.ToByte(null)); return; case TypeCode.SByte: output.WriteByte((byte)(value.ToSByte(null) + 128)); return; case TypeCode.Object: formatter.Serialize(output, value); return; case TypeCode.String: { long lengthPosition = output.Position; output.Write(new byte[4], 0, 4); StreamWriter w = new StreamWriter(output, Encoding.UTF8); w.Write((string)value); w.Flush(); long savedPosition = output.Position; uint payloadLength = (uint)(output.Position - lengthPosition - 4); output.Position = lengthPosition; output.Write(DataConverter.Converter.GetBytes(payloadLength), 0, 4); output.Position = savedPosition; return; } // the following obtain byte arrays which are dumped below case TypeCode.Char: result = DataConverter.Converter.GetBytes(value.ToChar(null)); break; case TypeCode.Single: result = DataConverter.Converter.GetBytes(value.ToSingle(null)); break; case TypeCode.Double: result = DataConverter.Converter.GetBytes(value.ToDouble(null)); break; case TypeCode.Int16: result = DataConverter.Converter.GetBytes(value.ToInt16(null)); break; case TypeCode.Int32: result = DataConverter.Converter.GetBytes(value.ToInt32(null)); break; case TypeCode.Int64: result = DataConverter.Converter.GetBytes(value.ToInt64(null)); break; case TypeCode.UInt16: result = DataConverter.Converter.GetBytes(value.ToUInt16(null)); break; case TypeCode.UInt32: result = DataConverter.Converter.GetBytes(value.ToUInt32(null)); break; case TypeCode.UInt64: result = DataConverter.Converter.GetBytes(value.ToUInt64(null)); break; case TypeCode.DateTime: result = DataConverter.Converter.GetBytes(((DateTime)value).ToBinary()); break; default: throw new MarshallingException("Unhandled form of IConvertible: " + value.GetTypeCode()); } output.Write(result, 0, result.Length); }
private object ExecuteBinaryOperator(IConvertible left, IConvertible right, CodeBinaryOperatorType op) { TypeCode typeCode = left.GetTypeCode(); TypeCode code2 = right.GetTypeCode(); TypeCode[] codeArray = new TypeCode[] { TypeCode.Byte, TypeCode.Char, TypeCode.Int16, TypeCode.UInt16, TypeCode.Int32, TypeCode.UInt32, TypeCode.Int64, TypeCode.UInt64 }; int num = -1; int num2 = -1; for (int i = 0; i < codeArray.Length; i++) { if (typeCode == codeArray[i]) { num = i; } if (code2 == codeArray[i]) { num2 = i; } if ((num != -1) && (num2 != -1)) { break; } } if ((num == -1) || (num2 == -1)) { return left; } int index = Math.Max(num, num2); object obj2 = left; switch (codeArray[index]) { case TypeCode.Char: { char ch = left.ToChar(null); char ch2 = right.ToChar(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = ch & ch2; break; } obj2 = ch | ch2; break; } case TypeCode.Byte: { byte num5 = left.ToByte(null); byte num6 = right.ToByte(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num5 & num6; break; } obj2 = num5 | num6; break; } case TypeCode.Int16: { short num7 = left.ToInt16(null); short num8 = right.ToInt16(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num7 & num8; break; } obj2 = (short) (((ushort) num7) | ((ushort) num8)); break; } case TypeCode.UInt16: { ushort num9 = left.ToUInt16(null); ushort num10 = right.ToUInt16(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num9 & num10; break; } obj2 = num9 | num10; break; } case TypeCode.Int32: { int num11 = left.ToInt32(null); int num12 = right.ToInt32(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num11 & num12; break; } obj2 = num11 | num12; break; } case TypeCode.UInt32: { uint num13 = left.ToUInt32(null); uint num14 = right.ToUInt32(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num13 & num14; break; } obj2 = num13 | num14; break; } case TypeCode.Int64: { long num15 = left.ToInt64(null); long num16 = right.ToInt64(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num15 & num16; break; } obj2 = num15 | num16; break; } case TypeCode.UInt64: { ulong num17 = left.ToUInt64(null); ulong num18 = right.ToUInt64(null); if (op != CodeBinaryOperatorType.BitwiseOr) { obj2 = num17 & num18; break; } obj2 = num17 | num18; break; } } if ((obj2 != left) && (left is Enum)) { obj2 = Enum.ToObject(left.GetType(), obj2); } return obj2; }
internal static bool JScriptStrictEquals(Object v1, Object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects){ switch (t1){ case TypeCode.Empty: return t2 == TypeCode.Empty; case TypeCode.Object: if (v1 == v2) return true; if (v1 is Missing || v1 is System.Reflection.Missing) v1 = null; if (v1 == v2) return true; if (v2 is Missing || v2 is System.Reflection.Missing) v2 = null; return v1 == v2; case TypeCode.DBNull: return t2 == TypeCode.DBNull; case TypeCode.Boolean: return t2 == TypeCode.Boolean && ic1.ToBoolean(null) == ic2.ToBoolean(null); case TypeCode.Char: Char ch = ic1.ToChar(null); switch(t2){ case TypeCode.Char: return ch == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return ch == ic2.ToInt64(null); case TypeCode.UInt64: return ch == ic2.ToUInt64(null); case TypeCode.Single: case TypeCode.Double: return ch == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)(int)ch) == ic2.ToDecimal(null); case TypeCode.String: String str = ic2.ToString(null); return str.Length == 1 && ch == str[0]; } return false; case TypeCode.SByte: SByte sb1 = ic1.ToSByte(null); switch (t2){ case TypeCode.Char: return sb1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return sb1 == ic2.ToInt64(null); case TypeCode.UInt64: return sb1 >= 0 && ((UInt64)sb1) == ic2.ToUInt64(null); case TypeCode.Single: return sb1 == ic2.ToSingle(null); case TypeCode.Double: return sb1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)sb1) == ic2.ToDecimal(null); } return false; case TypeCode.Byte: Byte b1 = ic1.ToByte(null); switch (t2){ case TypeCode.Char: return b1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return b1 == ic2.ToInt64(null); case TypeCode.UInt64: return b1 == ic2.ToUInt64(null); case TypeCode.Single: return b1 == ic2.ToSingle(null); case TypeCode.Double: return b1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)b1) == ic2.ToDecimal(null); } return false; case TypeCode.Int16: Int16 s1 = ic1.ToInt16(null); switch (t2){ case TypeCode.Char: return s1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return s1 == ic2.ToInt64(null); case TypeCode.UInt64: return s1 >= 0 && ((UInt64)s1) == ic2.ToUInt64(null); case TypeCode.Single: return s1 == ic2.ToSingle(null); case TypeCode.Double: return s1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)s1) == ic2.ToDecimal(null); } return false; case TypeCode.UInt16: UInt16 us1 = ic1.ToUInt16(null); switch (t2){ case TypeCode.Char: return us1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return us1 == ic2.ToInt64(null); case TypeCode.UInt64: return us1 == ic2.ToUInt64(null); case TypeCode.Single: return us1 == ic2.ToSingle(null); case TypeCode.Double: return us1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)us1) == ic2.ToDecimal(null); } return false; case TypeCode.Int32: Int32 i1 = ic1.ToInt32(null); switch (t2){ case TypeCode.Char: return i1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return i1 == ic2.ToInt64(null); case TypeCode.UInt64: return i1 >= 0 && ((UInt64)i1) == ic2.ToUInt64(null); case TypeCode.Single: return i1 == ic2.ToSingle(null); case TypeCode.Double: return i1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)i1) == ic2.ToDecimal(null); } return false; case TypeCode.UInt32: UInt32 ui1 = ic1.ToUInt32(null); switch (t2){ case TypeCode.Char: return ui1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return ui1 == ic2.ToInt64(null); case TypeCode.UInt64: return ui1 == ic2.ToUInt64(null); case TypeCode.Single: return ui1 == ic2.ToSingle(null); case TypeCode.Double: return ui1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)ui1) == ic2.ToDecimal(null); } return false; case TypeCode.Int64: Int64 l1 = ic1.ToInt64(null); switch (t2){ case TypeCode.Char: return l1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return l1 == ic2.ToInt64(null); case TypeCode.UInt64: return l1 >= 0 && ((UInt64)l1) == ic2.ToUInt64(null); case TypeCode.Single: return l1 == ic2.ToSingle(null); case TypeCode.Double: return l1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)l1) == ic2.ToDecimal(null); } return false; case TypeCode.UInt64: UInt64 ul1 = ic1.ToUInt64(null); switch (t2){ case TypeCode.Char: return ul1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: l1 = ic2.ToInt64(null); return l1 >= 0 && ul1 == (UInt64)l1; case TypeCode.UInt64: return ul1 == ic2.ToUInt64(null); case TypeCode.Single: return ul1 == ic2.ToSingle(null); case TypeCode.Double: return ul1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)ul1) == ic2.ToDecimal(null); } return false; case TypeCode.Single: Single f1 = ic1.ToSingle(null); switch (t2){ case TypeCode.Char: return f1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return f1 == ic2.ToInt64(null); case TypeCode.UInt64: return f1 == ic2.ToUInt64(null); case TypeCode.Single: return f1 == ic2.ToSingle(null); case TypeCode.Double: return f1 == ic2.ToSingle(null); case TypeCode.Decimal: return ((Decimal)f1) == ic2.ToDecimal(null); } return false; case TypeCode.Double: Double d1 = ic1.ToDouble(null); switch (t2){ case TypeCode.Char: return d1 == ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return d1 == ic2.ToInt64(null); case TypeCode.UInt64: return d1 == ic2.ToUInt64(null); case TypeCode.Single: return ((float)d1) == ic2.ToSingle(null); case TypeCode.Double: return d1 == ic2.ToDouble(null); case TypeCode.Decimal: return ((Decimal)d1) == ic2.ToDecimal(null); } return false; case TypeCode.Decimal: Decimal de1 = ic1.ToDecimal(null); switch (t2){ case TypeCode.Char: return de1 == (Decimal)(int)ic2.ToChar(null); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return de1 == ic2.ToInt64(null); case TypeCode.UInt64: return de1 == ic2.ToUInt64(null); case TypeCode.Single: return de1 == (Decimal)ic2.ToSingle(null); case TypeCode.Double: return de1 == (Decimal)ic2.ToDouble(null); case TypeCode.Decimal: return de1 == ic2.ToDecimal(null); } return false; case TypeCode.DateTime: return t2 == TypeCode.DateTime && ic1.ToDateTime(null) == ic2.ToDateTime(null); case TypeCode.String: if (t2 == TypeCode.Char){ String str = ic1.ToString(null); return str.Length == 1 && str[0] == ic2.ToChar(null); } return t2 == TypeCode.String && (v1 == v2 || ic1.ToString(null).Equals(ic2.ToString(null))); } return false; //should never get here }
// Default implementation of the "ToType" methods in // the primitive classes like Byte, Int32, Boolean, etc. internal static Object DefaultToType(IConvertible obj, Type targetType, IFormatProvider provider, bool recursive) { if(targetType != null) { if(obj.GetType() == targetType) { return obj; } else if(targetType == ConvertTypes[(int)TypeCode.Boolean]) { return (Object)(obj.ToBoolean(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Char]) { return (Object)(obj.ToChar(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.SByte]) { return (Object)(obj.ToSByte(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Byte]) { return (Object)(obj.ToByte(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Int16]) { return (Object)(obj.ToInt16(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.UInt16]) { return (Object)(obj.ToUInt16(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Int32]) { return (Object)(obj.ToInt32(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.UInt32]) { return (Object)(obj.ToUInt32(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Int64]) { return (Object)(obj.ToInt64(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.UInt64]) { return (Object)(obj.ToUInt64(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Single]) { return (Object)(obj.ToSingle(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Double]) { return (Object)(obj.ToDouble(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Decimal]) { return (Object)(obj.ToDecimal(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.DateTime]) { return (Object)(obj.ToDateTime(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.String]) { return (Object)(obj.ToString(provider)); } else if(targetType == ConvertTypes[(int)TypeCode.Object]) { return obj; } else if(targetType == ConvertTypes[(int)TypeCode.Empty]) { throw new InvalidCastException (_("InvalidCast_Empty")); } else if(targetType == ConvertTypes[(int)TypeCode.DBNull]) { throw new InvalidCastException (_("InvalidCast_DBNull")); } else if(recursive) { throw new InvalidCastException (String.Format (_("InvalidCast_FromTo"), obj.GetType().FullName, targetType.FullName)); } else { // We weren't called from a "ToType" method, // so we can use it to handle the default case. return obj.ToType(targetType, provider); } } else { throw new ArgumentNullException("targetType"); } }
internal static bool JScriptStrictEquals(object v1, object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects) { long num7; switch (t1) { case TypeCode.Empty: return (t2 == TypeCode.Empty); case TypeCode.Object: if (v1 != v2) { if ((v1 is Microsoft.JScript.Missing) || (v1 is System.Reflection.Missing)) { v1 = null; } if (v1 == v2) { return true; } if ((v2 is Microsoft.JScript.Missing) || (v2 is System.Reflection.Missing)) { v2 = null; } if (checkForDebuggerObjects) { IDebuggerObject obj2 = v1 as IDebuggerObject; if (obj2 != null) { IDebuggerObject o = v2 as IDebuggerObject; if (o != null) { return obj2.IsEqual(o); } } } return (v1 == v2); } return true; case TypeCode.DBNull: return (t2 == TypeCode.DBNull); case TypeCode.Boolean: if (t2 != TypeCode.Boolean) { return false; } return (ic1.ToBoolean(null) == ic2.ToBoolean(null)); case TypeCode.Char: { char ch = ic1.ToChar(null); switch (t2) { case TypeCode.Char: return (ch == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (ch == ic2.ToInt64(null)); case TypeCode.UInt64: return (ch == ic2.ToUInt64(null)); case TypeCode.Single: case TypeCode.Double: return (((double) ch) == ic2.ToDouble(null)); case TypeCode.Decimal: return (ch == ic2.ToDecimal(null)); case TypeCode.String: { string str = ic2.ToString(null); return ((str.Length == 1) && (ch == str[0])); } } break; } case TypeCode.SByte: { sbyte num = ic1.ToSByte(null); switch (t2) { case TypeCode.Char: return (num == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num == ic2.ToInt64(null)); case TypeCode.UInt64: return ((num >= 0) && (num == ic2.ToUInt64(null))); case TypeCode.Single: return (num == ic2.ToSingle(null)); case TypeCode.Double: return (num == ic2.ToDouble(null)); case TypeCode.Decimal: return (num == ic2.ToDecimal(null)); } return false; } case TypeCode.Byte: { byte num2 = ic1.ToByte(null); switch (t2) { case TypeCode.Char: return (num2 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num2 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num2 == ic2.ToUInt64(null)); case TypeCode.Single: return (num2 == ic2.ToSingle(null)); case TypeCode.Double: return (num2 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num2 == ic2.ToDecimal(null)); } return false; } case TypeCode.Int16: { short num3 = ic1.ToInt16(null); switch (t2) { case TypeCode.Char: return (num3 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num3 == ic2.ToInt64(null)); case TypeCode.UInt64: return ((num3 >= 0) && (num3 == ic2.ToUInt64(null))); case TypeCode.Single: return (num3 == ic2.ToSingle(null)); case TypeCode.Double: return (num3 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num3 == ic2.ToDecimal(null)); } return false; } case TypeCode.UInt16: { ushort num4 = ic1.ToUInt16(null); switch (t2) { case TypeCode.Char: return (num4 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num4 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num4 == ic2.ToUInt64(null)); case TypeCode.Single: return (num4 == ic2.ToSingle(null)); case TypeCode.Double: return (num4 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num4 == ic2.ToDecimal(null)); } return false; } case TypeCode.Int32: { int num5 = ic1.ToInt32(null); switch (t2) { case TypeCode.Char: return (num5 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num5 == ic2.ToInt64(null)); case TypeCode.UInt64: return ((num5 >= 0) && (num5 == ic2.ToUInt64(null))); case TypeCode.Single: return (num5 == ic2.ToSingle(null)); case TypeCode.Double: return (num5 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num5 == ic2.ToDecimal(null)); } return false; } case TypeCode.UInt32: { uint num6 = ic1.ToUInt32(null); switch (t2) { case TypeCode.Char: return (num6 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num6 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num6 == ic2.ToUInt64(null)); case TypeCode.Single: return (num6 == ic2.ToSingle(null)); case TypeCode.Double: return (num6 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num6 == ic2.ToDecimal(null)); } return false; } case TypeCode.Int64: num7 = ic1.ToInt64(null); switch (t2) { case TypeCode.Char: return (num7 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num7 == ic2.ToInt64(null)); case TypeCode.UInt64: return ((num7 >= 0L) && (num7 == ic2.ToUInt64(null))); case TypeCode.Single: return (num7 == ic2.ToSingle(null)); case TypeCode.Double: return (num7 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num7 == ic2.ToDecimal(null)); } return false; case TypeCode.UInt64: { ulong num8 = ic1.ToUInt64(null); switch (t2) { case TypeCode.Char: return (num8 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: num7 = ic2.ToInt64(null); return ((num7 >= 0L) && (num8 == num7)); case TypeCode.UInt64: return (num8 == ic2.ToUInt64(null)); case TypeCode.Single: return (num8 == ic2.ToSingle(null)); case TypeCode.Double: return (num8 == ic2.ToDouble(null)); case TypeCode.Decimal: return (num8 == ic2.ToDecimal(null)); } return false; } case TypeCode.Single: { float num9 = ic1.ToSingle(null); switch (t2) { case TypeCode.Char: return (num9 == ((float) ic2.ToChar(null))); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num9 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num9 == ic2.ToUInt64(null)); case TypeCode.Single: return (num9 == ic2.ToSingle(null)); case TypeCode.Double: return (num9 == ic2.ToSingle(null)); case TypeCode.Decimal: return (((decimal) num9) == ic2.ToDecimal(null)); } return false; } case TypeCode.Double: { double num10 = ic1.ToDouble(null); switch (t2) { case TypeCode.Char: return (num10 == ((double) ic2.ToChar(null))); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num10 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num10 == ic2.ToUInt64(null)); case TypeCode.Single: return (((float) num10) == ic2.ToSingle(null)); case TypeCode.Double: return (num10 == ic2.ToDouble(null)); case TypeCode.Decimal: return (((decimal) num10) == ic2.ToDecimal(null)); } return false; } case TypeCode.Decimal: { decimal num11 = ic1.ToDecimal(null); switch (t2) { case TypeCode.Char: return (num11 == ic2.ToChar(null)); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: case TypeCode.UInt32: case TypeCode.Int64: return (num11 == ic2.ToInt64(null)); case TypeCode.UInt64: return (num11 == ic2.ToUInt64(null)); case TypeCode.Single: return (num11 == ((decimal) ic2.ToSingle(null))); case TypeCode.Double: return (num11 == ((decimal) ic2.ToDouble(null))); case TypeCode.Decimal: return (num11 == ic2.ToDecimal(null)); } return false; } case TypeCode.DateTime: if (t2 != TypeCode.DateTime) { return false; } return (ic1.ToDateTime(null) == ic2.ToDateTime(null)); case TypeCode.String: { if (t2 != TypeCode.Char) { if (t2 != TypeCode.String) { return false; } if (v1 != v2) { return ic1.ToString(null).Equals(ic2.ToString(null)); } return true; } string str2 = ic1.ToString(null); if (str2.Length != 1) { return false; } return (str2[0] == ic2.ToChar(null)); } default: return false; } return false; }
internal static uint ToUint32(Object value, IConvertible ic){ switch (Convert.GetTypeCode(value, ic)){ case TypeCode.Empty: return 0; case TypeCode.DBNull: return 0; case TypeCode.Boolean: return ic.ToBoolean(null) ? (uint)1 : (uint)0; case TypeCode.Char: return (uint)ic.ToChar(null); case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.UInt32: return ic.ToUInt32(null); case TypeCode.UInt64: return (uint)ic.ToUInt64(null); case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: return (uint)ic.ToInt64(null); case TypeCode.Single: return (uint)ic.ToSingle(null); case TypeCode.Double: case TypeCode.Decimal: return (uint)ic.ToDouble(null); case TypeCode.Object: case TypeCode.DateTime: Object pval = Convert.ToPrimitive(value, PreferredType.Number, ref ic); if (pval != value) return Convert.ToUint32(pval, ic); else return 0; case TypeCode.String: return (uint)Convert.ToNumber(ic.ToString(null)); } return 0; //should never get here }
internal static bool ToBoolean(Object value, IConvertible ic){ switch (Convert.GetTypeCode(value, ic)){ case TypeCode.Empty: return false; case TypeCode.Object: if (value is Missing || value is System.Reflection.Missing) return false; Type t = value.GetType(); MethodInfo meth = t.GetMethod("op_True", BindingFlags.ExactBinding|BindingFlags.Public|BindingFlags.Static, null, new Type[]{t}, null); if (meth != null && (meth.Attributes & MethodAttributes.SpecialName) != 0 && meth.ReturnType == Typeob.Boolean){ meth = new JSMethodInfo(meth); return (bool)meth.Invoke(null, BindingFlags.SuppressChangeType, null, new Object[]{value}, null); } return true; case TypeCode.DBNull: return false; case TypeCode.Boolean: return ic.ToBoolean(null); case TypeCode.Char: return ic.ToChar(null) != (Char)0; case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: return ic.ToInt32(null) != 0; case TypeCode.UInt32: case TypeCode.Int64: return ic.ToInt64(null) != 0; case TypeCode.UInt64: return ic.ToUInt64(null) != 0; case TypeCode.Single: case TypeCode.Double: double d = ic.ToDouble(null); if (d != d) return false; else return d != 0; case TypeCode.Decimal: return ic.ToDecimal(null) != (Decimal)0; case TypeCode.DateTime: return true; case TypeCode.String: return ic.ToString(null).Length != 0; } return false; //should never get here }
internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) { BCLDebug.Assert(value!=null, "[Convert.DefaultToType]value!=null"); if (targetType==null) { throw new ArgumentNullException("targetType"); } if (value.GetType()==targetType) { return value; } if (targetType==ConvertTypes[(int)TypeCode.Boolean]) return value.ToBoolean(provider); if (targetType==ConvertTypes[(int)TypeCode.Char]) return value.ToChar(provider); if (targetType==ConvertTypes[(int)TypeCode.SByte]) return value.ToSByte(provider); if (targetType==ConvertTypes[(int)TypeCode.Byte]) return value.ToByte(provider); if (targetType==ConvertTypes[(int)TypeCode.Int16]) return value.ToInt16(provider); if (targetType==ConvertTypes[(int)TypeCode.UInt16]) return value.ToUInt16(provider); if (targetType==ConvertTypes[(int)TypeCode.Int32]) return value.ToInt32(provider); if (targetType==ConvertTypes[(int)TypeCode.UInt32]) return value.ToUInt32(provider); if (targetType==ConvertTypes[(int)TypeCode.Int64]) return value.ToInt64(provider); if (targetType==ConvertTypes[(int)TypeCode.UInt64]) return value.ToUInt64(provider); if (targetType==ConvertTypes[(int)TypeCode.Single]) return value.ToSingle(provider); if (targetType==ConvertTypes[(int)TypeCode.Double]) return value.ToDouble(provider); if (targetType==ConvertTypes[(int)TypeCode.Decimal]) return value.ToDecimal(provider); if (targetType==ConvertTypes[(int)TypeCode.DateTime]) return value.ToDateTime(provider); if (targetType==ConvertTypes[(int)TypeCode.String]) { return value.ToString(provider); } if (targetType==ConvertTypes[(int)TypeCode.Object]) return (Object)value; if (targetType==ConvertTypes[(int)TypeCode.DBNull]) throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull")); if (targetType==ConvertTypes[(int)TypeCode.Empty]) throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty")); throw new InvalidCastException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("InvalidCast_FromTo"), value.GetType().FullName, targetType.FullName)); }
public static Literal DoSubOvf(IConvertible ic1, IConvertible ic2, TypeCode code1, TypeCode code2, BinaryExpression binaryExpression){ TypeNode type = SystemTypes.Object; object val = null; checked{switch(code1){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: int i = ic1.ToInt32(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Byte: case TypeCode.Char: case TypeCode.UInt16: val = i - ic2.ToInt32(null); type = SystemTypes.Int32; break; case TypeCode.Int64: case TypeCode.UInt32: case TypeCode.UInt64: val = i - ic2.ToInt64(null); type = SystemTypes.Int64; break; case TypeCode.Single: val = i - ic2.ToSingle(null); type = SystemTypes.Single; break; case TypeCode.Double: val = i - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = i - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; case TypeCode.Byte: case TypeCode.UInt16: ushort us = ic1.ToUInt16(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: val = us - ic2.ToInt32(null); type = SystemTypes.Int32; break; case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.Char: case TypeCode.UInt32: val = us - ic2.ToUInt32(null); type = SystemTypes.UInt32; break; case TypeCode.Int64: val = us - ic2.ToInt64(null); type = SystemTypes.Int64; break; case TypeCode.UInt64: val = us - ic2.ToUInt64(null); type = SystemTypes.UInt64; break; case TypeCode.Single: case TypeCode.Double: val = us - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = us - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; case TypeCode.Char: char ch = ic1.ToChar(null); if (code2 != TypeCode.Char) goto default; val = ch - ic2.ToChar(null); type = SystemTypes.Int32; break; case TypeCode.UInt32: uint ui = ic1.ToUInt32(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: val = ui - ic2.ToInt64(null); type = SystemTypes.Int64; break; case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.Char: case TypeCode.UInt32: val = ui - ic2.ToUInt32(null); type = SystemTypes.UInt32; break; case TypeCode.UInt64: val = ui - ic2.ToUInt64(null); type = SystemTypes.UInt64; break; case TypeCode.Single: val = ui - ic2.ToSingle(null); type = SystemTypes.Single; break; case TypeCode.Double: val = ui - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = ui - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; case TypeCode.Int64: long l = ic1.ToInt64(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: val = l - ic2.ToInt64(null); type = SystemTypes.Int64; break; case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.Char: case TypeCode.UInt32: val = l - ic2.ToUInt32(null); type = SystemTypes.UInt32; break; case TypeCode.UInt64: val = l - (long)ic2.ToUInt64(null); type = SystemTypes.UInt64; break; case TypeCode.Single: val = l - ic2.ToSingle(null); type = SystemTypes.Single; break; case TypeCode.Double: val = l - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = l - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; case TypeCode.UInt64: ulong ul = ic1.ToUInt64(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Byte: case TypeCode.UInt16: case TypeCode.Char: case TypeCode.UInt32: val = ul - ic2.ToUInt32(null); type = SystemTypes.UInt64; break; case TypeCode.Int64: case TypeCode.UInt64: val = ul - ic2.ToUInt64(null); type = SystemTypes.UInt64; break; case TypeCode.Single: val = ul - ic2.ToSingle(null); type = SystemTypes.Single; break; case TypeCode.Double: val = ul - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = ul - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; case TypeCode.Single: float f = ic1.ToSingle(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: val = f - ic2.ToInt16(null); type = SystemTypes.Single; break; case TypeCode.Int32: case TypeCode.Int64: val = f - (double)ic2.ToInt64(null); type = SystemTypes.Double; break; case TypeCode.Byte: case TypeCode.Char: case TypeCode.UInt16: val = f - ic2.ToUInt16(null); type = SystemTypes.Single; break; case TypeCode.UInt32: case TypeCode.UInt64: val = f - (double)ic2.ToUInt64(null); type = SystemTypes.Double; break; case TypeCode.Single: case TypeCode.Double: val = f - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = f - (double)ic2.ToDecimal(null); type = SystemTypes.Double; break; default: return null; } break; case TypeCode.Double: double d = ic1.ToDouble(null); switch(code2){ case TypeCode.SByte: case TypeCode.Int16: case TypeCode.Int32: case TypeCode.Int64: val = d - ic2.ToInt64(null); type = SystemTypes.Double; break; case TypeCode.Byte: case TypeCode.Char: case TypeCode.UInt16: case TypeCode.UInt32: case TypeCode.UInt64: val = d - ic2.ToUInt64(null); type = SystemTypes.Double; break; case TypeCode.Single: case TypeCode.Double: val = d - ic2.ToDouble(null); type = SystemTypes.Double; break; case TypeCode.Decimal: val = d - (double)ic2.ToDecimal(null); type = SystemTypes.Double; break; default: return null; } break; case TypeCode.Decimal: decimal dec = ic1.ToDecimal(null); switch(code2){ case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Char: case TypeCode.Int32: val = dec - ic2.ToInt32(null); type = SystemTypes.Decimal; break; case TypeCode.UInt32: case TypeCode.Int64: case TypeCode.UInt64: val = dec - ic2.ToInt64(null); type = SystemTypes.Decimal; break; case TypeCode.Decimal: val = dec - ic2.ToDecimal(null); type = SystemTypes.Decimal; break; default: return null; } break; default: return null; } } return new Literal(val, type, binaryExpression.SourceContext); }
internal static object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) { if (targetType == null) { throw new ArgumentNullException("targetType"); } RuntimeType left = targetType as RuntimeType; if (left != null) { if (value.GetType() == targetType) { return value; } if (left == Convert.ConvertTypes[3]) { return value.ToBoolean(provider); } if (left == Convert.ConvertTypes[4]) { return value.ToChar(provider); } if (left == Convert.ConvertTypes[5]) { return value.ToSByte(provider); } if (left == Convert.ConvertTypes[6]) { return value.ToByte(provider); } if (left == Convert.ConvertTypes[7]) { return value.ToInt16(provider); } if (left == Convert.ConvertTypes[8]) { return value.ToUInt16(provider); } if (left == Convert.ConvertTypes[9]) { return value.ToInt32(provider); } if (left == Convert.ConvertTypes[10]) { return value.ToUInt32(provider); } if (left == Convert.ConvertTypes[11]) { return value.ToInt64(provider); } if (left == Convert.ConvertTypes[12]) { return value.ToUInt64(provider); } if (left == Convert.ConvertTypes[13]) { return value.ToSingle(provider); } if (left == Convert.ConvertTypes[14]) { return value.ToDouble(provider); } if (left == Convert.ConvertTypes[15]) { return value.ToDecimal(provider); } if (left == Convert.ConvertTypes[16]) { return value.ToDateTime(provider); } if (left == Convert.ConvertTypes[18]) { return value.ToString(provider); } if (left == Convert.ConvertTypes[1]) { return value; } if (left == Convert.EnumType) { return (Enum)value; } if (left == Convert.ConvertTypes[2]) { throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull")); } if (left == Convert.ConvertTypes[0]) { throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty")); } } throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", new object[] { value.GetType().FullName, targetType.FullName })); }
internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) { Contract.Requires(value != null, "[Convert.DefaultToType]value!=null"); if (targetType==null) { throw new ArgumentNullException("targetType"); } Contract.EndContractBlock(); RuntimeType rtTargetType = targetType as RuntimeType; if (rtTargetType != null) { if (value.GetType() == targetType) { return value; } if (rtTargetType == ConvertTypes[(int)TypeCode.Boolean]) return value.ToBoolean(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Char]) return value.ToChar(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.SByte]) return value.ToSByte(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Byte]) return value.ToByte(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Int16]) return value.ToInt16(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.UInt16]) return value.ToUInt16(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Int32]) return value.ToInt32(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.UInt32]) return value.ToUInt32(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Int64]) return value.ToInt64(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.UInt64]) return value.ToUInt64(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Single]) return value.ToSingle(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Double]) return value.ToDouble(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Decimal]) return value.ToDecimal(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.DateTime]) return value.ToDateTime(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.String]) return value.ToString(provider); if (rtTargetType == ConvertTypes[(int)TypeCode.Object]) return (Object)value; // Need to special case Enum because typecode will be underlying type, e.g. Int32 if (rtTargetType == EnumType) return (Enum)value; if (rtTargetType == ConvertTypes[(int)TypeCode.DBNull]) throw new InvalidCastException(Environment.GetResourceString("InvalidCast_DBNull")); if (rtTargetType == ConvertTypes[(int)TypeCode.Empty]) throw new InvalidCastException(Environment.GetResourceString("InvalidCast_Empty")); } throw new InvalidCastException(Environment.GetResourceString("InvalidCast_FromTo", value.GetType().FullName, targetType.FullName)); }
internal static bool ToBoolean(object value, IConvertible ic) { switch (GetTypeCode(value, ic)) { case TypeCode.Empty: return false; case TypeCode.Object: { if ((value is Microsoft.JScript.Missing) || (value is System.Reflection.Missing)) { return false; } Type type = value.GetType(); MethodInfo method = type.GetMethod("op_True", BindingFlags.ExactBinding | BindingFlags.Public | BindingFlags.Static, null, new Type[] { type }, null); if (((method != null) && ((method.Attributes & MethodAttributes.SpecialName) != MethodAttributes.PrivateScope)) && (method.ReturnType == typeof(bool))) { method = new JSMethodInfo(method); return (bool) method.Invoke(null, BindingFlags.SuppressChangeType, null, new object[] { value }, null); } return true; } case TypeCode.DBNull: return false; case TypeCode.Boolean: return ic.ToBoolean(null); case TypeCode.Char: return (ic.ToChar(null) != '\0'); case TypeCode.SByte: case TypeCode.Byte: case TypeCode.Int16: case TypeCode.UInt16: case TypeCode.Int32: return (ic.ToInt32(null) != 0); case TypeCode.UInt32: case TypeCode.Int64: return (ic.ToInt64(null) != 0L); case TypeCode.UInt64: return (ic.ToUInt64(null) != 0L); case TypeCode.Single: case TypeCode.Double: { double num = ic.ToDouble(null); return ((num == num) && !(num == 0.0)); } case TypeCode.Decimal: return (ic.ToDecimal(null) != 0M); case TypeCode.DateTime: return true; case TypeCode.String: return (ic.ToString(null).Length != 0); } return false; }
internal static Object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider) { Contract.Requires(value != null, "[Convert.DefaultToType]value!=null"); if (targetType == null) { throw new ArgumentNullException("targetType"); } Contract.EndContractBlock(); if (value.GetType() == targetType) return value; if (targetType == CommonRuntimeTypes.Boolean) return value.ToBoolean(provider); if (targetType == CommonRuntimeTypes.Char) return value.ToChar(provider); if (targetType == CommonRuntimeTypes.SByte) return value.ToSByte(provider); if (targetType == CommonRuntimeTypes.Byte) return value.ToByte(provider); if (targetType == CommonRuntimeTypes.Int16) return value.ToInt16(provider); if (targetType == CommonRuntimeTypes.UInt16) return value.ToUInt16(provider); if (targetType == CommonRuntimeTypes.Int32) return value.ToInt32(provider); if (targetType == CommonRuntimeTypes.UInt32) return value.ToUInt32(provider); if (targetType == CommonRuntimeTypes.Int64) return value.ToInt64(provider); if (targetType == CommonRuntimeTypes.UInt64) return value.ToUInt64(provider); if (targetType == CommonRuntimeTypes.Single) return value.ToSingle(provider); if (targetType == CommonRuntimeTypes.Double) return value.ToDouble(provider); if (targetType == CommonRuntimeTypes.Decimal) return value.ToDecimal(provider); if (targetType == CommonRuntimeTypes.DateTime) return value.ToDateTime(provider); if (targetType == CommonRuntimeTypes.String) return value.ToString(provider); if (targetType == CommonRuntimeTypes.Object) return (Object)value; if (targetType == CommonRuntimeTypes.Enum) return (Enum)value; throw new InvalidCastException(SR.Format(SR.InvalidCast_FromTo, value.GetType().ToString(), targetType.Name)); }