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;
}
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;
}
}
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));
}