private static object InternalNegObj(object obj, IConvertible conv, TypeCode tc)
{
switch (tc)
{
case TypeCode.Empty:
return 0;
case TypeCode.Boolean:
if (obj is bool)
{
return -((short) -(((bool) obj) > false));
}
return -((short) -(conv.ToBoolean(null) > false));
case TypeCode.Byte:
if (obj is byte)
{
return (short) -((byte) obj);
}
return (short) -conv.ToByte(null);
case TypeCode.Int16:
int num4;
if (obj is short)
{
num4 = 0 - ((short) obj);
}
else
{
num4 = 0 - conv.ToInt16(null);
}
if ((num4 >= -32768) && (num4 <= 0x7fff))
{
return (short) num4;
}
return num4;
case TypeCode.Int32:
long num5;
if (obj is int)
{
num5 = 0L - ((int) obj);
}
else
{
num5 = 0L - conv.ToInt32(null);
}
if ((num5 >= -2147483648L) && (num5 <= 0x7fffffffL))
{
return (int) num5;
}
return num5;
case TypeCode.Int64:
try
{
if (obj is long)
{
return (0L - ((long) obj));
}
return (0L - conv.ToInt64(null));
}
catch (StackOverflowException exception)
{
throw exception;
}
catch (OutOfMemoryException exception2)
{
throw exception2;
}
catch (ThreadAbortException exception3)
{
throw exception3;
}
catch (Exception)
{
return decimal.Negate(conv.ToDecimal(null));
}
break;
case TypeCode.Single:
goto Label_01B9;
case TypeCode.Double:
if (obj is double)
{
return -((double) obj);
}
return -conv.ToDouble(null);
case TypeCode.Decimal:
break;
case TypeCode.String:
{
string str = obj as string;
if (str == null)
{
return -DoubleType.FromString(conv.ToString(null));
}
return -DoubleType.FromString(str);
}
default:
throw GetNoValidOperatorException(obj);
}
try
{
if (obj is decimal)
{
return decimal.Negate((decimal) obj);
}
return decimal.Negate(conv.ToDecimal(null));
}
catch (StackOverflowException exception4)
{
throw exception4;
}
catch (OutOfMemoryException exception5)
{
throw exception5;
}
catch (ThreadAbortException exception6)
{
throw exception6;
}
catch (Exception)
{
return -conv.ToDouble(null);
}
Label_01B9:
if (obj is float)
{
return -((float) obj);
}
return -conv.ToSingle(null);
}
public static string FromObject(object Value)
{
if (Value == null)
{
return(null);
}
string str2 = Value as string;
if (str2 != null)
{
return(str2);
}
IConvertible convertible = Value as IConvertible;
if (convertible != null)
{
switch (convertible.GetTypeCode())
{
case TypeCode.Boolean:
return(FromBoolean(convertible.ToBoolean(null)));
case TypeCode.Char:
return(FromChar(convertible.ToChar(null)));
case TypeCode.Byte:
return(FromByte(convertible.ToByte(null)));
case TypeCode.Int16:
return(FromShort(convertible.ToInt16(null)));
case TypeCode.Int32:
return(FromInteger(convertible.ToInt32(null)));
case TypeCode.Int64:
return(FromLong(convertible.ToInt64(null)));
case TypeCode.Single:
return(FromSingle(convertible.ToSingle(null)));
case TypeCode.Double:
return(FromDouble(convertible.ToDouble(null)));
case TypeCode.Decimal:
return(FromDecimal(convertible.ToDecimal(null)));
case TypeCode.DateTime:
return(FromDate(convertible.ToDateTime(null)));
case TypeCode.String:
return(convertible.ToString(null));
}
}
else
{
char[] chArray = Value as char[];
if ((chArray != null) && (chArray.Rank == 1))
{
return(new string(CharArrayType.FromObject(Value)));
}
}
throw new InvalidCastException(Utils.GetResourceString("InvalidCast_FromTo", new string[] { Utils.VBFriendlyName(Value), "String" }));
}
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 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)
{
if (targetType == null)
{
throw new ArgumentNullException("targetType");
}
if (value.GetType() == targetType)
{
return(value);
}
if (targetType == ConvertTypes[3])
{
return(value.ToBoolean(provider));
}
if (targetType == ConvertTypes[3])
{
return(value.ToChar(provider));
}
if (targetType == ConvertTypes[4])
{
return(value.ToSByte(provider));
}
if (targetType == ConvertTypes[5])
{
return(value.ToByte(provider));
}
if (targetType == ConvertTypes[6])
{
return(value.ToInt16(provider));
}
if (targetType == ConvertTypes[7])
{
return(value.ToUInt16(provider));
}
if (targetType == ConvertTypes[8])
{
return(value.ToInt32(provider));
}
if (targetType == ConvertTypes[9])
{
return(value.ToUInt32(provider));
}
if (targetType == ConvertTypes[10])
{
return(value.ToInt64(provider));
}
if (targetType == ConvertTypes[11])
{
return(value.ToUInt64(provider));
}
if (targetType == ConvertTypes[12])
{
return(value.ToSingle(provider));
}
if (targetType == ConvertTypes[13])
{
return(value.ToDouble(provider));
}
if (targetType == ConvertTypes[14])
{
return(value.ToDecimal(provider));
}
if (targetType == ConvertTypes[0xF])
{
return(value.ToDateTime(provider));
}
if (targetType == ConvertTypes[0x11])
{
return(value.ToString(provider));
}
if (targetType == ConvertTypes[0])
{
return(value);
}
if (targetType == ConvertTypes[1])
{
throw new InvalidCastException("Invalid Cast to DBDefault");
}
throw new InvalidCastException(string.Format(CultureInfo.CurrentCulture, string.Format("Invalid Cast From {0} To {1}", value.GetType().FullName, targetType.FullName)));
}
/// <summary>
/// Writes a <see cref="Object"/> value.
/// An error will raised if the value cannot be written as a single JSON token.
/// </summary>
/// <param name="value">The <see cref="Object"/> value to write.</param>
public virtual void WriteValue(object value)
{
if (value == null)
{
WriteNull();
return;
}
else if (value is IConvertible)
{
IConvertible convertible = value as IConvertible;
switch (convertible.GetTypeCode())
{
case TypeCode.String:
WriteValue(convertible.ToString(CultureInfo.InvariantCulture));
return;
case TypeCode.Char:
WriteValue(convertible.ToChar(CultureInfo.InvariantCulture));
return;
case TypeCode.Boolean:
WriteValue(convertible.ToBoolean(CultureInfo.InvariantCulture));
return;
case TypeCode.SByte:
WriteValue(convertible.ToSByte(CultureInfo.InvariantCulture));
return;
case TypeCode.Int16:
WriteValue(convertible.ToInt16(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt16:
WriteValue(convertible.ToUInt16(CultureInfo.InvariantCulture));
return;
case TypeCode.Int32:
WriteValue(convertible.ToInt32(CultureInfo.InvariantCulture));
return;
case TypeCode.Byte:
WriteValue(convertible.ToByte(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt32:
WriteValue(convertible.ToUInt32(CultureInfo.InvariantCulture));
return;
case TypeCode.Int64:
WriteValue(convertible.ToInt64(CultureInfo.InvariantCulture));
return;
case TypeCode.UInt64:
WriteValue(convertible.ToUInt64(CultureInfo.InvariantCulture));
return;
case TypeCode.Single:
WriteValue(convertible.ToSingle(CultureInfo.InvariantCulture));
return;
case TypeCode.Double:
WriteValue(convertible.ToDouble(CultureInfo.InvariantCulture));
return;
case TypeCode.DateTime:
WriteValue(convertible.ToDateTime(CultureInfo.InvariantCulture));
return;
case TypeCode.Decimal:
WriteValue(convertible.ToDecimal(CultureInfo.InvariantCulture));
return;
case TypeCode.DBNull:
WriteNull();
return;
}
}
#if !PocketPC && !NET20
else if (value is DateTimeOffset)
{
WriteValue((DateTimeOffset)value);
return;
}
#endif
else if (value is byte[])
{
WriteValue((byte[])value);
return;
}
else if (value is Guid)
{
WriteValue((Guid)value);
return;
}
else if (value is Uri)
{
WriteValue((Uri)value);
return;
}
else if (value is TimeSpan)
{
WriteValue((TimeSpan)value);
return;
}
throw new ArgumentException("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()));
}
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;
}
/// <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 (objTypeCode == TypeCode.Empty || 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:
{
float singleValue = value.ToSingle(CultureInfo.InvariantCulture);
return(float.IsInfinity(singleValue) ?
Convert.ToString(singleValue, CultureInfo.InvariantCulture) :
XmlConvert.ToString(singleValue));
}
case TypeCode.Double:
{
double doubleValue = value.ToDouble(CultureInfo.InvariantCulture);
return(double.IsInfinity(doubleValue) ?
Convert.ToString(doubleValue, CultureInfo.InvariantCulture) :
XmlConvert.ToString(doubleValue));
}
case TypeCode.Decimal:
return(XmlConvert.ToString(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));
}
}
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 string ToString(object value, PreferredType pref, IConvertible ic, bool explicitOK)
{
Enum enum2 = value as Enum;
if (enum2 != 0)
{
return enum2.ToString("G");
}
EnumWrapper wrapper = value as EnumWrapper;
if (wrapper != null)
{
return wrapper.ToString();
}
TypeCode typeCode = GetTypeCode(value, ic);
if (pref == PreferredType.LocaleString)
{
switch (typeCode)
{
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Single:
case TypeCode.Double:
{
double num = ic.ToDouble(null);
return num.ToString(((num <= -1E+15) || (num >= 1E+15)) ? "g" : "n", NumberFormatInfo.CurrentInfo);
}
case TypeCode.Int64:
return ic.ToInt64(null).ToString("n", NumberFormatInfo.CurrentInfo);
case TypeCode.UInt64:
return ic.ToUInt64(null).ToString("n", NumberFormatInfo.CurrentInfo);
case TypeCode.Decimal:
return ic.ToDecimal(null).ToString("n", NumberFormatInfo.CurrentInfo);
}
}
switch (typeCode)
{
case TypeCode.Empty:
if (explicitOK)
{
return "undefined";
}
return null;
case TypeCode.Object:
return ToString(ToPrimitive(value, pref, ref ic), ic);
case TypeCode.DBNull:
if (explicitOK)
{
return "null";
}
return null;
case TypeCode.Boolean:
if (ic.ToBoolean(null))
{
return "true";
}
return "false";
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Decimal:
case TypeCode.String:
return ic.ToString(null);
case TypeCode.Single:
case TypeCode.Double:
return ToString(ic.ToDouble(null));
case TypeCode.DateTime:
return ToString(DateConstructor.ob.Construct(ic.ToDateTime(null)));
}
return null;
}
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;
}
private static IConvertible ToVBBoolConv(IConvertible conv)
{
if (conv.ToBoolean(null))
{
return (IConvertible) (-1);
}
return (IConvertible) 0;
}
private static int ToVBBool(IConvertible conv)
{
if (conv.ToBoolean(null))
{
return -1;
}
return 0;
}
/// <summary>Returns a <see langword="Long" /> value that corresponds to the specified object. </summary>
/// <param name="Value">Required. Object to convert to a <see langword="Long" /> value.</param>
/// <returns>The <see langword="Long" /> value that corresponds to <paramref name="Value" />.</returns>
public static long FromObject(object Value)
{
if (Value == null)
{
return(0);
}
IConvertible ValueInterface = Value as IConvertible;
if (ValueInterface != null)
{
switch (ValueInterface.GetTypeCode())
{
case TypeCode.Boolean:
return((long)-(ValueInterface.ToBoolean((IFormatProvider)null) ? 1 : 0));
case TypeCode.Byte:
if (Value is byte)
{
return((long)(byte)Value);
}
return((long)ValueInterface.ToByte((IFormatProvider)null));
case TypeCode.Int16:
if (Value is short)
{
return((long)(short)Value);
}
return((long)ValueInterface.ToInt16((IFormatProvider)null));
case TypeCode.Int32:
if (Value is int)
{
return((long)(int)Value);
}
return((long)ValueInterface.ToInt32((IFormatProvider)null));
case TypeCode.Int64:
if (Value is long)
{
return((long)Value);
}
return(ValueInterface.ToInt64((IFormatProvider)null));
case TypeCode.Single:
if (Value is float)
{
return(checked ((long)Math.Round((double)(float)Value)));
}
return(checked ((long)Math.Round((double)ValueInterface.ToSingle((IFormatProvider)null))));
case TypeCode.Double:
if (Value is double)
{
return(checked ((long)Math.Round((double)Value)));
}
return(checked ((long)Math.Round(ValueInterface.ToDouble((IFormatProvider)null))));
case TypeCode.Decimal:
return(LongType.DecimalToLong(ValueInterface));
case TypeCode.String:
return(LongType.FromString(ValueInterface.ToString((IFormatProvider)null)));
}
}
throw new InvalidCastException(Utils.GetResourceString("InvalidCast_FromTo", Utils.VBFriendlyName(Value), "Long"));
}
private object ExecuteBooleanOperator(IConvertible left, IConvertible right, CodeBinaryOperatorType op)
{
bool flag = false;
switch (op)
{
case CodeBinaryOperatorType.IdentityInequality:
return (left != right);
case CodeBinaryOperatorType.IdentityEquality:
return (left == right);
case CodeBinaryOperatorType.ValueEquality:
return left.Equals(right);
case CodeBinaryOperatorType.BitwiseOr:
case CodeBinaryOperatorType.BitwiseAnd:
case CodeBinaryOperatorType.LessThan:
case CodeBinaryOperatorType.LessThanOrEqual:
case CodeBinaryOperatorType.GreaterThan:
case CodeBinaryOperatorType.GreaterThanOrEqual:
return flag;
case CodeBinaryOperatorType.BooleanOr:
return (left.ToBoolean(null) || right.ToBoolean(null));
case CodeBinaryOperatorType.BooleanAnd:
return (left.ToBoolean(null) && right.ToBoolean(null));
}
return flag;
}
internal static void MarshalHelperCastVariant(object pValue, int vt, ref System.Variant v)
{
IConvertible convertible = pValue as IConvertible;
if (convertible != null)
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (vt)
{
case 0:
v = Empty;
return;
case 1:
v = DBNull;
return;
case 2:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case 3:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 4:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case 5:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case 6:
v = new System.Variant(new CurrencyWrapper(convertible.ToDecimal(invariantCulture)));
return;
case 7:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case 8:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
case 9:
v = new System.Variant(new DispatchWrapper(convertible));
return;
case 10:
v = new System.Variant(new ErrorWrapper(convertible.ToInt32(invariantCulture)));
return;
case 11:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case 12:
v = new System.Variant(convertible);
return;
case 13:
v = new System.Variant(new UnknownWrapper(convertible));
return;
case 14:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case 0x10:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case 0x11:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case 0x12:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case 0x13:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case 20:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case 0x15:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case 0x16:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case 0x17:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
switch (vt)
{
case 8:
if (pValue != null)
{
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
v = new System.Variant(null);
v.m_flags = 14;
return;
case 9:
v = new System.Variant(new DispatchWrapper(pValue));
return;
case 12:
v = new System.Variant(pValue);
return;
case 13:
v = new System.Variant(new UnknownWrapper(pValue));
return;
case 0x24:
v = new System.Variant(pValue);
return;
}
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
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
}
private static int CompareConvertible(IConvertible comparisonValue, IConvertible predicateValue)
{
// try
// {
TypeCode comparisonType = comparisonValue.GetTypeCode();
switch (predicateValue.GetTypeCode())
{
case TypeCode.DBNull:
return(comparisonType == TypeCode.DBNull ? 0 : 1);
case TypeCode.Boolean:
if (comparisonType != TypeCode.Boolean)
{
return(1);
}
return(predicateValue.ToBoolean(CultureInfo.CurrentCulture)
.CompareTo(comparisonValue.ToBoolean(CultureInfo.CurrentCulture)));
case TypeCode.Char:
return(predicateValue.ToChar(CultureInfo.CurrentCulture)
.CompareTo(comparisonValue.ToChar(CultureInfo.CurrentCulture)));
case TypeCode.SByte:
return(predicateValue.ToSByte(CultureInfo.CurrentCulture)
.CompareTo(comparisonValue.ToSByte(CultureInfo.CurrentCulture)));
case TypeCode.Byte:
return(predicateValue.ToByte(CultureInfo.CurrentCulture)
.CompareTo(comparisonValue.ToByte(CultureInfo.CurrentCulture)));
case TypeCode.Int16:
return(predicateValue.ToInt16(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToInt16(NumberFormatInfo.CurrentInfo)));
case TypeCode.UInt16:
return(predicateValue.ToUInt16(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToUInt16(NumberFormatInfo.CurrentInfo)));
case TypeCode.Int32:
return(predicateValue.ToInt32(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToInt32(NumberFormatInfo.CurrentInfo)));
case TypeCode.UInt32:
return(predicateValue.ToUInt32(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToUInt32(NumberFormatInfo.CurrentInfo)));
case TypeCode.Int64:
return(predicateValue.ToInt64(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToInt64(NumberFormatInfo.CurrentInfo)));
case TypeCode.UInt64:
return(predicateValue.ToUInt64(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToUInt64(NumberFormatInfo.CurrentInfo)));
case TypeCode.Single:
return(predicateValue.ToSingle(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToSingle(NumberFormatInfo.CurrentInfo)));
case TypeCode.Double:
return(predicateValue.ToDouble(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToDouble(NumberFormatInfo.CurrentInfo)));
case TypeCode.Decimal:
return(predicateValue.ToDecimal(NumberFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToDecimal(NumberFormatInfo.CurrentInfo)));
case TypeCode.DateTime:
return(predicateValue.ToDateTime(DateTimeFormatInfo.CurrentInfo)
.CompareTo(comparisonValue.ToDateTime(DateTimeFormatInfo.CurrentInfo)));
default:
return(String.CompareOrdinal(predicateValue.ToString(CultureInfo.CurrentCulture), comparisonValue.ToString(CultureInfo.CurrentCulture)));
}
// }
// catch (FormatException)
// {
// return 1;
// }
}
private static sbyte ToVBBool(IConvertible conv)
{
return (sbyte) -(conv.ToBoolean(null) > false);
}
/// <summary>
/// Converts the <see cref="Object"/> to its JSON string representation.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <returns>A JSON string representation of the <see cref="Object"/>.</returns>
public static string ToString(object value)
{
if (value == null)
{
return(Null);
}
IConvertible convertible = value as IConvertible;
if (convertible != null)
{
switch (convertible.GetTypeCode())
{
case TypeCode.String:
return(ToString(convertible.ToString(CultureInfo.InvariantCulture)));
case TypeCode.Char:
return(ToString(convertible.ToChar(CultureInfo.InvariantCulture)));
case TypeCode.Boolean:
return(ToString(convertible.ToBoolean(CultureInfo.InvariantCulture)));
case TypeCode.SByte:
return(ToString(convertible.ToSByte(CultureInfo.InvariantCulture)));
case TypeCode.Int16:
return(ToString(convertible.ToInt16(CultureInfo.InvariantCulture)));
case TypeCode.UInt16:
return(ToString(convertible.ToUInt16(CultureInfo.InvariantCulture)));
case TypeCode.Int32:
return(ToString(convertible.ToInt32(CultureInfo.InvariantCulture)));
case TypeCode.Byte:
return(ToString(convertible.ToByte(CultureInfo.InvariantCulture)));
case TypeCode.UInt32:
return(ToString(convertible.ToUInt32(CultureInfo.InvariantCulture)));
case TypeCode.Int64:
return(ToString(convertible.ToInt64(CultureInfo.InvariantCulture)));
case TypeCode.UInt64:
return(ToString(convertible.ToUInt64(CultureInfo.InvariantCulture)));
case TypeCode.Single:
return(ToString(convertible.ToSingle(CultureInfo.InvariantCulture)));
case TypeCode.Double:
return(ToString(convertible.ToDouble(CultureInfo.InvariantCulture)));
case TypeCode.DateTime:
return(ToString(convertible.ToDateTime(CultureInfo.InvariantCulture)));
case TypeCode.Decimal:
return(ToString(convertible.ToDecimal(CultureInfo.InvariantCulture)));
case TypeCode.DBNull:
return(Null);
}
}
else if (value is DateTimeOffset)
{
return(ToString((DateTimeOffset)value));
}
else if (value is Guid)
{
return(ToString((Guid)value));
}
else if (value is SerializableGuid)
{
return(ToString((SerializableGuid)value));
}
else if (value is Uri)
{
return(ToString((Uri)value));
}
else if (value is TimeSpan)
{
return(ToString((TimeSpan)value));
}
throw new ArgumentException("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()));
}
private static IConvertible ToVBBoolConv(IConvertible conv)
{
return (IConvertible) ((sbyte) -(conv.ToBoolean(null) > false));
}
// Helper code: on the back propagation path where a VT_BYREF VARIANT*
// is marshaled to a "ref Object", we use this helper to force the
// updated object back to the original type.
internal static void MarshalHelperCastVariant(Object pValue, int vt, ref Variant v)
{
IConvertible iv = pValue as IConvertible;
if (iv == null)
{
switch (vt)
{
case 9: /*VT_DISPATCH*/
v = new Variant(new DispatchWrapper(pValue));
break;
case 12: /*VT_VARIANT*/
v = new Variant(pValue);
break;
case 13: /*VT_UNKNOWN*/
v = new Variant(new UnknownWrapper(pValue));
break;
case 36: /*VT_RECORD*/
v = new Variant(pValue);
break;
case 8: /*VT_BSTR*/
if (pValue == null)
{
v = new Variant(null);
v.m_flags = CV_STRING;
}
else
{
throw new InvalidCastException(SR.InvalidCast_CannotCoerceByRefVariant);
}
break;
default:
throw new InvalidCastException(SR.InvalidCast_CannotCoerceByRefVariant);
}
}
else
{
IFormatProvider provider = CultureInfo.InvariantCulture;
switch (vt)
{
case 0: /*VT_EMPTY*/
v = Empty;
break;
case 1: /*VT_NULL*/
v = DBNull;
break;
case 2: /*VT_I2*/
v = new Variant(iv.ToInt16(provider));
break;
case 3: /*VT_I4*/
v = new Variant(iv.ToInt32(provider));
break;
case 4: /*VT_R4*/
v = new Variant(iv.ToSingle(provider));
break;
case 5: /*VT_R8*/
v = new Variant(iv.ToDouble(provider));
break;
case 6: /*VT_CY*/
v = new Variant(new CurrencyWrapper(iv.ToDecimal(provider)));
break;
case 7: /*VT_DATE*/
v = new Variant(iv.ToDateTime(provider));
break;
case 8: /*VT_BSTR*/
v = new Variant(iv.ToString(provider));
break;
case 9: /*VT_DISPATCH*/
v = new Variant(new DispatchWrapper((Object)iv));
break;
case 10: /*VT_ERROR*/
v = new Variant(new ErrorWrapper(iv.ToInt32(provider)));
break;
case 11: /*VT_BOOL*/
v = new Variant(iv.ToBoolean(provider));
break;
case 12: /*VT_VARIANT*/
v = new Variant((Object)iv);
break;
case 13: /*VT_UNKNOWN*/
v = new Variant(new UnknownWrapper((Object)iv));
break;
case 14: /*VT_DECIMAL*/
v = new Variant(iv.ToDecimal(provider));
break;
// case 15: /*unused*/
// NOT SUPPORTED
case 16: /*VT_I1*/
v = new Variant(iv.ToSByte(provider));
break;
case 17: /*VT_UI1*/
v = new Variant(iv.ToByte(provider));
break;
case 18: /*VT_UI2*/
v = new Variant(iv.ToUInt16(provider));
break;
case 19: /*VT_UI4*/
v = new Variant(iv.ToUInt32(provider));
break;
case 20: /*VT_I8*/
v = new Variant(iv.ToInt64(provider));
break;
case 21: /*VT_UI8*/
v = new Variant(iv.ToUInt64(provider));
break;
case 22: /*VT_INT*/
v = new Variant(iv.ToInt32(provider));
break;
case 23: /*VT_UINT*/
v = new Variant(iv.ToUInt32(provider));
break;
default:
throw new InvalidCastException(SR.InvalidCast_CannotCoerceByRefVariant);
}
}
}
private static bool JScriptEquals(Object v1, Object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects){
if (StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, t2, checkForDebuggerObjects))
return true;
if (t2 == TypeCode.Boolean){
v2 = ic2.ToBoolean(null) ? 1 : 0;
ic2 = Convert.GetIConvertible(v2);
return Equality.JScriptEquals(v1, v2, ic1, ic2, t1, TypeCode.Int32, false);
}
switch (t1){
case TypeCode.Empty: return t2 == TypeCode.Empty || t2 == TypeCode.DBNull || (t2 == TypeCode.Object && v2 is Missing);
case TypeCode.Object:
switch (t2){
case TypeCode.Empty:
case TypeCode.DBNull:
return v1 is Missing;
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
IConvertible pvic1 = ic1;
Object pv1 = Convert.ToPrimitive(v1, PreferredType.Either, ref pvic1);
if (pvic1 != null && pv1 != v1)
return Equality.JScriptEquals(pv1, v2, pvic1, ic2, pvic1.GetTypeCode(), t2, false);
else
return false;
}
return false;
case TypeCode.DBNull: return t2 == TypeCode.DBNull || t2 == TypeCode.Empty || (t2 == TypeCode.Object && v2 is Missing);
case TypeCode.Boolean:
v1 = ic1.ToBoolean(null) ? 1 : 0;
ic1 = Convert.GetIConvertible(v1);
return Equality.JScriptEquals(v1, v2, ic1, ic2, TypeCode.Int32, t2, false);
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
if (t2 == TypeCode.Object){
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pvic2 != null && pv2 != v2)
return Equality.JScriptEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false);
else
return false;
}
if (t2 == TypeCode.String){
if (v1 is Enum) return Convert.ToString(v1).Equals(ic2.ToString(null));
v2 = Convert.ToNumber(v2, ic2);
ic2 = Convert.GetIConvertible(v2);
return StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, TypeCode.Double, false);
}
return false;
case TypeCode.DateTime:
if (t2 == TypeCode.Object){
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pv2 != null && pv2 != v2)
return StrictEquality.JScriptStrictEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false);
}
return false;
case TypeCode.String:
switch (t2){
case TypeCode.Object:{
IConvertible pvic2 = ic2;
Object pv2 = Convert.ToPrimitive(v2, PreferredType.Either, ref pvic2);
if (pvic2 != null && pv2 != v2)
return Equality.JScriptEquals(v1, pv2, ic1, pvic2, t1, pvic2.GetTypeCode(), false);
else
return false;
}
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
if (v2 is Enum) return Convert.ToString(v2).Equals(ic1.ToString(null));
v1 = Convert.ToNumber(v1, ic1);
ic1 = Convert.GetIConvertible(v1);
return StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, TypeCode.Double, t2, false);
}
return false;
}
return false;
}
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
}));
}
public override bool ToBoolean(IFormatProvider provider)
{
return(value.ToBoolean(provider));
}
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
}
private static bool ToBoolean (object value, bool explicitConversion, IConvertible convertible)
{
TypeCode preferredType = GetTypeCode (value, convertible);
switch (preferredType) {
//undefined & null
case TypeCode.Empty:
case TypeCode.DBNull:
return false;
case TypeCode.Boolean:
return convertible.ToBoolean (null);
case TypeCode.Byte:
case TypeCode.Char:
case TypeCode.Decimal:
case TypeCode.Double:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.SByte:
case TypeCode.Single:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
double d = convertible.ToDouble (null);
return ((d != 0.0) && !double.IsNaN (d));
case TypeCode.String:
string str = convertible.ToString ();
return str.Length != 0;
case TypeCode.Object:
return true;
//TODO datetime find behaviour maybe as a number
case TypeCode.DateTime:
return true;
}
throw new NotImplementedException ();
}
public Object EvaluateUnary(Object v)
{
IConvertible ic = Convert.GetIConvertible(v);
switch (Convert.GetTypeCode(v, ic))
{
case TypeCode.Empty: return(this.EvaluateUnary(Double.NaN));
case TypeCode.DBNull: return(this.EvaluateUnary(0));
case TypeCode.Boolean: return(this.EvaluateUnary(ic.ToBoolean(null) ? 1 : 0));
case TypeCode.Char: return(this.EvaluateUnary((int)ic.ToChar(null)));
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
int i = ic.ToInt32(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~i);
case JSToken.LogicalNot:
return(i == 0);
case JSToken.Minus:
if (i == 0)
{
return(-(double)i);
}
if (i == Int32.MinValue)
{
return((ulong)-(double)i);
}
return(-i);
case JSToken.Plus:
return(i);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.UInt32:
uint ui = ic.ToUInt32(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~ui);
case JSToken.LogicalNot:
return(ui == 0);
case JSToken.Minus:
if (ui != 0 && ui <= Int32.MaxValue)
{
return(-(int)ui);
}
else
{
return(-(double)ui);
}
case JSToken.Plus:
return(ui);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.Int64:
long l = ic.ToInt64(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~l);
case JSToken.LogicalNot:
return(l == 0);
case JSToken.Minus:
if (l == 0 || l == Int64.MinValue)
{
return(-(double)l);
}
return(-l);
case JSToken.Plus:
return(l);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.UInt64:
ulong ul = ic.ToUInt64(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~ul);
case JSToken.LogicalNot:
return(ul == 0);
case JSToken.Minus:
if (ul != 0 && ul <= Int64.MaxValue)
{
return(-(long)ul);
}
else
{
return(-(double)ul);
}
case JSToken.Plus:
return(ul);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.Single:
case TypeCode.Double:
double d = ic.ToDouble(null);
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~(int)Runtime.DoubleToInt64(d));
case JSToken.LogicalNot:
return(!Convert.ToBoolean(d));
case JSToken.Minus:
return(-d);
case JSToken.Plus:
return(d);
default:
throw new JScriptException(JSError.InternalError, this.context);
}
case TypeCode.String:
goto no_overload_case;
}
MethodInfo oper = this.GetOperator(v.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v }, null));
}
no_overload_case:
switch (this.operatorTok)
{
case JSToken.BitwiseNot:
return(~Convert.ToInt32(v, ic));
case JSToken.LogicalNot:
return(!Convert.ToBoolean(v, ic));
case JSToken.Minus:
return(-Convert.ToNumber(v, ic));
case JSToken.Plus:
return(Convert.ToNumber(v, ic));
default:
throw new JScriptException(JSError.InternalError, this.context);
}
}
public static bool ToBoolean(this IConvertible convertible)
{
return(convertible.ToBoolean(null));
}
public static string ToString(object value)
{
if (value == null)
{
return(JsonConvert.Null);
}
IConvertible convertible = value as IConvertible;
if (convertible != null)
{
switch (convertible.GetTypeCode())
{
case 2:
return(JsonConvert.Null);
case 3:
return(JsonConvert.ToString(convertible.ToBoolean(CultureInfo.get_InvariantCulture())));
case 4:
return(JsonConvert.ToString(convertible.ToChar(CultureInfo.get_InvariantCulture())));
case 5:
return(JsonConvert.ToString(convertible.ToSByte(CultureInfo.get_InvariantCulture())));
case 6:
return(JsonConvert.ToString(convertible.ToByte(CultureInfo.get_InvariantCulture())));
case 7:
return(JsonConvert.ToString(convertible.ToInt16(CultureInfo.get_InvariantCulture())));
case 8:
return(JsonConvert.ToString(convertible.ToUInt16(CultureInfo.get_InvariantCulture())));
case 9:
return(JsonConvert.ToString(convertible.ToInt32(CultureInfo.get_InvariantCulture())));
case 10:
return(JsonConvert.ToString(convertible.ToUInt32(CultureInfo.get_InvariantCulture())));
case 11:
return(JsonConvert.ToString(convertible.ToInt64(CultureInfo.get_InvariantCulture())));
case 12:
return(JsonConvert.ToString(convertible.ToUInt64(CultureInfo.get_InvariantCulture())));
case 13:
return(JsonConvert.ToString(convertible.ToSingle(CultureInfo.get_InvariantCulture())));
case 14:
return(JsonConvert.ToString(convertible.ToDouble(CultureInfo.get_InvariantCulture())));
case 15:
return(JsonConvert.ToString(convertible.ToDecimal(CultureInfo.get_InvariantCulture())));
case 16:
return(JsonConvert.ToString(convertible.ToDateTime(CultureInfo.get_InvariantCulture())));
case 18:
return(JsonConvert.ToString(convertible.ToString(CultureInfo.get_InvariantCulture())));
}
}
else
{
if (value is DateTimeOffset)
{
return(JsonConvert.ToString((DateTimeOffset)value));
}
if (value is Guid)
{
return(JsonConvert.ToString((Guid)value));
}
if (value is Uri)
{
return(JsonConvert.ToString((Uri)value));
}
if (value is TimeSpan)
{
return(JsonConvert.ToString((TimeSpan)value));
}
}
throw new ArgumentException("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.get_InvariantCulture(), new object[]
{
value.GetType()
}));
}
internal static void MarshalHelperConvertObjectToVariant(object o, ref Variant v)
{
IConvertible convertible = RemotingServices.IsTransparentProxy(o) ? (IConvertible)null : o as IConvertible;
if (o == null)
{
v = Variant.Empty;
}
else if (convertible == null)
{
v = new Variant(o);
}
else
{
IFormatProvider provider = (IFormatProvider)CultureInfo.InvariantCulture;
switch (convertible.GetTypeCode())
{
case TypeCode.Empty:
v = Variant.Empty;
break;
case TypeCode.Object:
v = new Variant(o);
break;
case TypeCode.DBNull:
v = Variant.DBNull;
break;
case TypeCode.Boolean:
v = new Variant(convertible.ToBoolean(provider));
break;
case TypeCode.Char:
v = new Variant(convertible.ToChar(provider));
break;
case TypeCode.SByte:
v = new Variant(convertible.ToSByte(provider));
break;
case TypeCode.Byte:
v = new Variant(convertible.ToByte(provider));
break;
case TypeCode.Int16:
v = new Variant(convertible.ToInt16(provider));
break;
case TypeCode.UInt16:
v = new Variant(convertible.ToUInt16(provider));
break;
case TypeCode.Int32:
v = new Variant(convertible.ToInt32(provider));
break;
case TypeCode.UInt32:
v = new Variant(convertible.ToUInt32(provider));
break;
case TypeCode.Int64:
v = new Variant(convertible.ToInt64(provider));
break;
case TypeCode.UInt64:
v = new Variant(convertible.ToUInt64(provider));
break;
case TypeCode.Single:
v = new Variant(convertible.ToSingle(provider));
break;
case TypeCode.Double:
v = new Variant(convertible.ToDouble(provider));
break;
case TypeCode.Decimal:
v = new Variant(convertible.ToDecimal(provider));
break;
case TypeCode.DateTime:
v = new Variant(convertible.ToDateTime(provider));
break;
case TypeCode.String:
v = new Variant((object)convertible.ToString(provider));
break;
default:
throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnknownTypeCode", (object)convertible.GetTypeCode()));
}
}
}
internal static void MarshalHelperConvertObjectToVariant(object o, ref System.Variant v)
{
IConvertible convertible = RemotingServices.IsTransparentProxy(o) ? null : (o as IConvertible);
if (o == null)
{
v = Empty;
}
else if (convertible == null)
{
v = new System.Variant(o);
}
else
{
IFormatProvider invariantCulture = CultureInfo.InvariantCulture;
switch (convertible.GetTypeCode())
{
case TypeCode.Empty:
v = Empty;
return;
case TypeCode.Object:
v = new System.Variant(o);
return;
case TypeCode.DBNull:
v = DBNull;
return;
case TypeCode.Boolean:
v = new System.Variant(convertible.ToBoolean(invariantCulture));
return;
case TypeCode.Char:
v = new System.Variant(convertible.ToChar(invariantCulture));
return;
case TypeCode.SByte:
v = new System.Variant(convertible.ToSByte(invariantCulture));
return;
case TypeCode.Byte:
v = new System.Variant(convertible.ToByte(invariantCulture));
return;
case TypeCode.Int16:
v = new System.Variant(convertible.ToInt16(invariantCulture));
return;
case TypeCode.UInt16:
v = new System.Variant(convertible.ToUInt16(invariantCulture));
return;
case TypeCode.Int32:
v = new System.Variant(convertible.ToInt32(invariantCulture));
return;
case TypeCode.UInt32:
v = new System.Variant(convertible.ToUInt32(invariantCulture));
return;
case TypeCode.Int64:
v = new System.Variant(convertible.ToInt64(invariantCulture));
return;
case TypeCode.UInt64:
v = new System.Variant(convertible.ToUInt64(invariantCulture));
return;
case TypeCode.Single:
v = new System.Variant(convertible.ToSingle(invariantCulture));
return;
case TypeCode.Double:
v = new System.Variant(convertible.ToDouble(invariantCulture));
return;
case TypeCode.Decimal:
v = new System.Variant(convertible.ToDecimal(invariantCulture));
return;
case TypeCode.DateTime:
v = new System.Variant(convertible.ToDateTime(invariantCulture));
return;
case TypeCode.String:
v = new System.Variant(convertible.ToString(invariantCulture));
return;
}
throw new NotSupportedException(Environment.GetResourceString("NotSupported_UnknownTypeCode", new object[] { convertible.GetTypeCode() }));
}
}
internal static void MarshalHelperCastVariant(object pValue, int vt, ref Variant v)
{
IConvertible convertible = pValue as IConvertible;
if (convertible == null)
{
switch (vt)
{
case 8:
if (pValue != null)
{
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
v = new Variant((object)null);
v.m_flags = 14;
break;
case 9:
v = new Variant((object)new DispatchWrapper(pValue));
break;
case 12:
v = new Variant(pValue);
break;
case 13:
v = new Variant((object)new UnknownWrapper(pValue));
break;
case 36:
v = new Variant(pValue);
break;
default:
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
}
else
{
IFormatProvider provider = (IFormatProvider)CultureInfo.InvariantCulture;
switch (vt)
{
case 0:
v = Variant.Empty;
break;
case 1:
v = Variant.DBNull;
break;
case 2:
v = new Variant(convertible.ToInt16(provider));
break;
case 3:
v = new Variant(convertible.ToInt32(provider));
break;
case 4:
v = new Variant(convertible.ToSingle(provider));
break;
case 5:
v = new Variant(convertible.ToDouble(provider));
break;
case 6:
v = new Variant((object)new CurrencyWrapper(convertible.ToDecimal(provider)));
break;
case 7:
v = new Variant(convertible.ToDateTime(provider));
break;
case 8:
v = new Variant((object)convertible.ToString(provider));
break;
case 9:
v = new Variant((object)new DispatchWrapper((object)convertible));
break;
case 10:
v = new Variant((object)new ErrorWrapper(convertible.ToInt32(provider)));
break;
case 11:
v = new Variant(convertible.ToBoolean(provider));
break;
case 12:
v = new Variant((object)convertible);
break;
case 13:
v = new Variant((object)new UnknownWrapper((object)convertible));
break;
case 14:
v = new Variant(convertible.ToDecimal(provider));
break;
case 16:
v = new Variant(convertible.ToSByte(provider));
break;
case 17:
v = new Variant(convertible.ToByte(provider));
break;
case 18:
v = new Variant(convertible.ToUInt16(provider));
break;
case 19:
v = new Variant(convertible.ToUInt32(provider));
break;
case 20:
v = new Variant(convertible.ToInt64(provider));
break;
case 21:
v = new Variant(convertible.ToUInt64(provider));
break;
case 22:
v = new Variant(convertible.ToInt32(provider));
break;
case 23:
v = new Variant(convertible.ToUInt32(provider));
break;
default:
throw new InvalidCastException(Environment.GetResourceString("InvalidCast_CannotCoerceByRefVariant"));
}
}
}
internal static object DefaultToType(IConvertible value, Type targetType, IFormatProvider provider)
{
Debug.Assert(value != null, "[Convert.DefaultToType]value!=null");
if (targetType == null)
{
throw new ArgumentNullException(nameof(targetType));
}
if (ReferenceEquals(value.GetType(), targetType))
{
return(value);
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Boolean]))
{
return(value.ToBoolean(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Char]))
{
return(value.ToChar(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.SByte]))
{
return(value.ToSByte(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Byte]))
{
return(value.ToByte(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Int16]))
{
return(value.ToInt16(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.UInt16]))
{
return(value.ToUInt16(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Int32]))
{
return(value.ToInt32(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.UInt32]))
{
return(value.ToUInt32(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Int64]))
{
return(value.ToInt64(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.UInt64]))
{
return(value.ToUInt64(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Single]))
{
return(value.ToSingle(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Double]))
{
return(value.ToDouble(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Decimal]))
{
return(value.ToDecimal(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.DateTime]))
{
return(value.ToDateTime(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.String]))
{
return(value.ToString(provider));
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Object]))
{
return((object)value);
}
// Need to special case Enum because typecode will be underlying type, e.g. Int32
if (ReferenceEquals(targetType, EnumType))
{
return((Enum)value);
}
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.DBNull]))
{
throw new InvalidCastException("Object cannot be cast to DBNull.");
}
// TODO: SR
//throw new InvalidCastException(SR.InvalidCast_DBNull);
if (ReferenceEquals(targetType, ConvertTypes[(int)TypeCode.Empty]))
{
throw new InvalidCastException("Object cannot be cast to Empty.");
}
// TODO: SR
//throw new InvalidCastException(SR.InvalidCast_Empty);
throw new InvalidCastException(string.Format("Invalid cast from '{0}' to '{1}'.", value.GetType().FullName, targetType.FullName));
// TODO: SR
//throw new InvalidCastException(string.Format(SR.InvalidCast_FromTo, value.GetType().FullName, targetType.FullName));
}
public static string ToString(object value)
{
if (value == null)
{
return(JsonConvert.Null);
}
IConvertible convertible = ConvertUtils.ToConvertible(value);
if (convertible != null)
{
switch (convertible.GetTypeCode())
{
case TypeCode.DBNull:
return(JsonConvert.Null);
case TypeCode.Boolean:
return(JsonConvert.ToString(convertible.ToBoolean((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Char:
return(JsonConvert.ToString(convertible.ToChar((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.SByte:
return(JsonConvert.ToString(convertible.ToSByte((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Byte:
return(JsonConvert.ToString(convertible.ToByte((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Int16:
return(JsonConvert.ToString(convertible.ToInt16((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.UInt16:
return(JsonConvert.ToString(convertible.ToUInt16((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Int32:
return(JsonConvert.ToString(convertible.ToInt32((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.UInt32:
return(JsonConvert.ToString(convertible.ToUInt32((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Int64:
return(JsonConvert.ToString(convertible.ToInt64((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.UInt64:
return(JsonConvert.ToString(convertible.ToUInt64((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Single:
return(JsonConvert.ToString(convertible.ToSingle((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Double:
return(JsonConvert.ToString(convertible.ToDouble((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.Decimal:
return(JsonConvert.ToString(convertible.ToDecimal((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.DateTime:
return(JsonConvert.ToString(convertible.ToDateTime((IFormatProvider)CultureInfo.InvariantCulture)));
case TypeCode.String:
return(JsonConvert.ToString(convertible.ToString((IFormatProvider)CultureInfo.InvariantCulture)));
}
}
else
{
if (value is Guid)
{
return(JsonConvert.ToString((Guid)value));
}
if (value is Uri)
{
return(JsonConvert.ToString((Uri)value));
}
if (value is TimeSpan)
{
return(JsonConvert.ToString((TimeSpan)value));
}
}
throw new ArgumentException(StringUtils.FormatWith("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.", (IFormatProvider)CultureInfo.InvariantCulture, (object)value.GetType()));
}
/// <summary>
/// Gets the cache key for an item with the specified ID value.
/// </summary>
/// <param name="id">
/// The ID for which to generate a cache key.
/// </param>
/// <returns>
/// The cache key for an item with the specified type and ID.
/// </returns>
protected static string CreateCacheKey(IConvertible id)
{
Contract.Requires(id != null, Resources.Messages.BaseValueCache_IdCannotBeNull);
Contract.Ensures(Contract.Result <string>() != null);
string idKey;
byte[] bytes;
switch (id.GetTypeCode())
{
case TypeCode.Boolean:
idKey = id.ToBoolean(null) ? "1" : "0";
break;
case TypeCode.Byte:
idKey = ByteArrayToShortString(new byte[] { id.ToByte(null) });
break;
case TypeCode.Double:
idKey = ByteArrayToShortString(BitConverter.GetBytes(id.ToDouble(null)));
break;
case TypeCode.Int16:
bytes = BitConverter.GetBytes(id.ToInt16(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
case TypeCode.Int32:
bytes = BitConverter.GetBytes(id.ToInt32(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
case TypeCode.Int64:
bytes = BitConverter.GetBytes(id.ToInt64(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
case TypeCode.SByte:
unchecked
{
idKey = ByteArrayToShortString(new byte[] { (byte)id.ToSByte(null) });
}
break;
case TypeCode.Single:
idKey = ByteArrayToShortString(BitConverter.GetBytes(id.ToSingle(null)));
break;
case TypeCode.UInt16:
bytes = BitConverter.GetBytes(id.ToUInt16(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
case TypeCode.UInt32:
bytes = BitConverter.GetBytes(id.ToUInt32(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
case TypeCode.UInt64:
bytes = BitConverter.GetBytes(id.ToUInt64(null));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
idKey = ByteArrayToShortString(bytes);
break;
default:
idKey = id.ToString();
break;
}
return(idKey);
}
/// <summary>
/// 转换数据类型
/// </summary>
/// <param name="value"></param>
/// <param name="conversionType"></param>
/// <param name="provider"></param>
/// <returns></returns>
internal static object ChangeValueType(object value, Type conversionType, IFormatProvider provider)
{
if (conversionType == null)
{
throw new ArgumentNullException("conversionType");
}
bool valueCanbeNull = IsValueNullable(conversionType);
if (valueCanbeNull && (value == null || value.ToString().Length == 0))//如果Nullable<>类型，且值是空，则直接返回空
{
return(null);
}
if (value == null)
{
if (conversionType.IsValueType)
{
throw new InvalidCastException("值为空！");
}
return(null);
}
IConvertible convertible = value as IConvertible;
if (convertible == null)
{
if (value.GetType() != conversionType)
{
throw new InvalidCastException("值不能被转换！");
}
return(value);
}
if (conversionType == typeof(System.Boolean) || conversionType == typeof(Nullable <System.Boolean>))
{
if (value.ToString() == "1")
{
return(true);
}
if (value.ToString() == "0")
{
return(false);
}
return(convertible.ToBoolean(provider));
}
if (conversionType == typeof(System.Char) || conversionType == typeof(Nullable <System.Char>))
{
return(convertible.ToChar(provider));
}
if (conversionType == typeof(System.SByte) || conversionType == typeof(Nullable <System.SByte>))
{
return(convertible.ToSByte(provider));
}
if (conversionType == typeof(System.Byte) || conversionType == typeof(Nullable <System.Byte>))
{
return(convertible.ToByte(provider));
}
if (conversionType == typeof(System.Int16) || conversionType == typeof(Nullable <System.Int16>))
{
return(convertible.ToInt16(provider));
}
if (conversionType == typeof(System.UInt16) || conversionType == typeof(Nullable <System.UInt16>))
{
return(convertible.ToUInt16(provider));
}
if (conversionType == typeof(System.Int32) || conversionType == typeof(Nullable <System.Int32>))
{
return(convertible.ToInt32(provider));
}
if (conversionType == typeof(System.UInt32) || conversionType == typeof(Nullable <System.UInt32>))
{
return(convertible.ToUInt32(provider));
}
if (conversionType == typeof(System.Int64) || conversionType == typeof(Nullable <System.Int64>))
{
return(convertible.ToInt64(provider));
}
if (conversionType == typeof(System.UInt64) || conversionType == typeof(Nullable <System.UInt64>))
{
return(convertible.ToUInt64(provider));
}
if (conversionType == typeof(System.Single) || conversionType == typeof(Nullable <System.Single>))
{
return(convertible.ToSingle(provider));
}
if (conversionType == typeof(System.Double) || conversionType == typeof(Nullable <System.Double>))
{
return(convertible.ToDouble(provider));
}
if (conversionType == typeof(System.Decimal) || conversionType == typeof(Nullable <System.Decimal>))
{
return(convertible.ToDecimal(provider));
}
if (conversionType == typeof(System.DateTime) || conversionType == typeof(Nullable <System.DateTime>))
{
return(convertible.ToDateTime(provider));
}
if (conversionType == typeof(System.String))
{
return(convertible.ToString(provider));
}
if (conversionType == typeof(System.Object))
{
return(value);
}
return(value);
}
private Boolean CallInterfaceMethods(Enum en)
{
Boolean pass = true;
IConvertible icon1 = (IConvertible)en;
if (!icon1.ToBoolean(null))
{
pass = false;
}
if (icon1.ToByte(null) != 1)
{
pass = false;
}
if (icon1.ToChar(null) != (Char)1)
{
pass = false;
}
try{
icon1.ToDateTime(null);
pass = false;
}catch (InvalidCastException) {
}catch (Exception) {
pass = false;
}
if (icon1.ToDecimal(null) != 1)
{
pass = false;
}
if (icon1.ToDouble(null) != 1)
{
pass = false;
}
if (icon1.ToInt16(null) != 1)
{
pass = false;
}
if (icon1.ToInt32(null) != 1)
{
pass = false;
}
if (icon1.ToInt64(null) != 1)
{
pass = false;
}
if (icon1.ToSByte(null) != 1)
{
pass = false;
}
if (icon1.ToSingle(null) != 1f)
{
pass = false;
}
if (icon1.ToString(null) != "ONE")
{
pass = false;
}
if (icon1.ToUInt16(null) != 1)
{
pass = false;
}
if (icon1.ToUInt32(null) != 1)
{
pass = false;
}
if (icon1.ToUInt64(null) != 1)
{
pass = false;
}
return(pass);
}
object IConvertible.ToType(Type conversionType, IFormatProvider provider)
{
if (conversionType == null || conversionType.AssemblyQualifiedName == (typeof(double)).AssemblyQualifiedName)
{
return(ToDouble());
}
IConvertible c = this;
if (conversionType.AssemblyQualifiedName == (typeof(float)).AssemblyQualifiedName)
{
c.ToSingle(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(int)).AssemblyQualifiedName)
{
c.ToInt32(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(string)).AssemblyQualifiedName)
{
c.ToString(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(long)).AssemblyQualifiedName)
{
c.ToInt64(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(decimal)).AssemblyQualifiedName)
{
c.ToDecimal(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(uint)).AssemblyQualifiedName)
{
c.ToUInt32(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(ulong)).AssemblyQualifiedName)
{
c.ToUInt64(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(short)).AssemblyQualifiedName)
{
c.ToInt16(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(ushort)).AssemblyQualifiedName)
{
c.ToUInt16(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(sbyte)).AssemblyQualifiedName)
{
c.ToSByte(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(byte)).AssemblyQualifiedName)
{
c.ToByte(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(DateTime)).AssemblyQualifiedName)
{
c.ToDateTime(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(bool)).AssemblyQualifiedName)
{
c.ToBoolean(provider);
}
if (conversionType.AssemblyQualifiedName == (typeof(char)).AssemblyQualifiedName)
{
c.ToChar(provider);
}
return(Convert.ChangeType(ToDouble(), conversionType));
}
private static bool FromConvertible <TTarget>(IConvertible converter, out TTarget result2)
{
object result = null;
bool hasChange = false;
switch (Type.GetTypeCode(typeof(TTarget)))
{
case TypeCode.Boolean:
result = converter.ToBoolean(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Char:
result = converter.ToChar(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.SByte:
result = converter.ToSByte(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Byte:
result = converter.ToByte(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Int16:
result = converter.ToInt16(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.UInt16:
result = converter.ToUInt16(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Int32:
result = converter.ToInt32(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.UInt32:
result = converter.ToUInt32(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Int64:
result = converter.ToInt64(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.UInt64:
result = converter.ToUInt64(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Single:
result = converter.ToSingle(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Double:
result = converter.ToDouble(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.Decimal:
result = converter.ToDecimal(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.DateTime:
result = converter.ToDateTime(CultureInfo.CurrentCulture);
hasChange = true;
break;
case TypeCode.String:
result = converter.ToString(CultureInfo.CurrentCulture);
hasChange = true;
break;
}
result2 = result == null ? default(TTarget) : (TTarget)result;
return(hasChange);
}
public static short FromObject(object Value)
{
if (Value == null)
{
return(0);
}
IConvertible valueInterface = Value as IConvertible;
if (valueInterface != null)
{
switch (valueInterface.GetTypeCode())
{
case TypeCode.Boolean:
return((short)-(valueInterface.ToBoolean(null) > false));
case TypeCode.Byte:
if (Value is byte)
{
return((byte)Value);
}
return(valueInterface.ToByte(null));
case TypeCode.Int16:
if (Value is short)
{
return((short)Value);
}
return(valueInterface.ToInt16(null));
case TypeCode.Int32:
if (Value is int)
{
return((short)((int)Value));
}
return((short)valueInterface.ToInt32(null));
case TypeCode.Int64:
if (Value is long)
{
return((short)((long)Value));
}
return((short)valueInterface.ToInt64(null));
case TypeCode.Single:
if (Value is float)
{
return((short)Math.Round((double)((float)Value)));
}
return((short)Math.Round((double)valueInterface.ToSingle(null)));
case TypeCode.Double:
if (Value is double)
{
return((short)Math.Round((double)Value));
}
return((short)Math.Round(valueInterface.ToDouble(null)));
case TypeCode.Decimal:
return(DecimalToShort(valueInterface));
case TypeCode.String:
return(FromString(valueInterface.ToString(null)));
}
}
throw new InvalidCastException(Utils.GetResourceString("InvalidCast_FromTo", new string[] { Utils.VBFriendlyName(Value), "Short" }));
}
/// <summary>
/// Converts the <see cref="Object"/> to its JSON string representation.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <returns>A JSON string representation of the <see cref="Object"/>.</returns>
public static string ToString(object value)
{
if (value == null)
{
return(Null);
}
IConvertible convertible = value as IConvertible;
if (convertible != null)
{
switch (convertible.GetTypeCode())
{
case TypeCode.String:
return(ToString(convertible.ToString(ObjectUtil.SysCulture)));
case TypeCode.Char:
return(ToString(convertible.ToChar(ObjectUtil.SysCulture)));
case TypeCode.Boolean:
return(ToString(convertible.ToBoolean(ObjectUtil.SysCulture)));
case TypeCode.SByte:
return(ToString(convertible.ToSByte(ObjectUtil.SysCulture)));
case TypeCode.Int16:
return(ToString(convertible.ToInt16(ObjectUtil.SysCulture)));
case TypeCode.UInt16:
return(ToString(convertible.ToUInt16(ObjectUtil.SysCulture)));
case TypeCode.Int32:
return(ToString(convertible.ToInt32(ObjectUtil.SysCulture)));
case TypeCode.Byte:
return(ToString(convertible.ToByte(ObjectUtil.SysCulture)));
case TypeCode.UInt32:
return(ToString(convertible.ToUInt32(ObjectUtil.SysCulture)));
case TypeCode.Int64:
return(ToString(convertible.ToInt64(ObjectUtil.SysCulture)));
case TypeCode.UInt64:
return(ToString(convertible.ToUInt64(ObjectUtil.SysCulture)));
case TypeCode.Single:
return(ToString(convertible.ToSingle(ObjectUtil.SysCulture)));
case TypeCode.Double:
return(ToString(convertible.ToDouble(ObjectUtil.SysCulture)));
case TypeCode.DateTime:
return(ToString(convertible.ToDateTime(ObjectUtil.SysCulture)));
case TypeCode.Decimal:
return(ToString(convertible.ToDecimal(ObjectUtil.SysCulture)));
//case TypeCode.DBNull:
// return Null;
}
}
else if (value is DateTimeOffset)
{
return(ToString((DateTimeOffset)value));
}
TkDebug.ThrowToolkitException(string.Format(ObjectUtil.SysCulture,
"不支持的类型: {0}", value.GetType()), null);
return(null);
}
/// <summary>
/// Tries the convert by IConvertible interface.
/// </summary>
/// <param name="value">The value.</param>
/// <param name="type">The type.</param>
/// <param name="culture">The culture.</param>
/// <returns>Converted value.</returns>
private static object TryConvertByIConvertible(object value, Type type, CultureInfo culture)
{
IConvertible convertible = value as IConvertible;
if (convertible != null)
{
if (type == typeof(bool))
{
return(convertible.ToBoolean(culture));
}
if (type == typeof(byte))
{
return(convertible.ToByte(culture));
}
if (type == typeof(char))
{
return(convertible.ToChar(culture));
}
if (type == typeof(DateTime))
{
return(convertible.ToDateTime(culture));
}
if (type == typeof(decimal))
{
return(convertible.ToDecimal(culture));
}
if (type == typeof(double))
{
return(convertible.ToDouble(culture));
}
if (type == typeof(short))
{
return(convertible.ToInt16(culture));
}
if (type == typeof(int))
{
return(convertible.ToInt32(culture));
}
if (type == typeof(long))
{
return(convertible.ToInt64(culture));
}
if (type == typeof(sbyte))
{
return(convertible.ToSByte(culture));
}
if (type == typeof(float))
{
return(convertible.ToSingle(culture));
}
if (type == typeof(ushort))
{
return(convertible.ToUInt16(culture));
}
if (type == typeof(uint))
{
return(convertible.ToUInt32(culture));
}
if (type == typeof(ulong))
{
return(convertible.ToUInt64(culture));
}
}
throw GetConversionException(value, type, culture);
}
// Helper code for marshaling managed objects to VARIANT's (we use
// managed variants as an intermediate type.
internal static void MarshalHelperConvertObjectToVariant(Object o, ref Variant v)
{
IConvertible ic = o as IConvertible;
if (o == null)
{
v = Empty;
}
else if (ic == null)
{
// This path should eventually go away. But until
// the work is done to have all of our wrapper types implement
// IConvertible, this is a cheapo way to get the work done.
v = new Variant(o);
}
else
{
IFormatProvider provider = CultureInfo.InvariantCulture;
switch (ic.GetTypeCode())
{
case TypeCode.Empty:
v = Empty;
break;
case TypeCode.Object:
v = new Variant((Object)o);
break;
case TypeCode.DBNull:
v = DBNull;
break;
case TypeCode.Boolean:
v = new Variant(ic.ToBoolean(provider));
break;
case TypeCode.Char:
v = new Variant(ic.ToChar(provider));
break;
case TypeCode.SByte:
v = new Variant(ic.ToSByte(provider));
break;
case TypeCode.Byte:
v = new Variant(ic.ToByte(provider));
break;
case TypeCode.Int16:
v = new Variant(ic.ToInt16(provider));
break;
case TypeCode.UInt16:
v = new Variant(ic.ToUInt16(provider));
break;
case TypeCode.Int32:
v = new Variant(ic.ToInt32(provider));
break;
case TypeCode.UInt32:
v = new Variant(ic.ToUInt32(provider));
break;
case TypeCode.Int64:
v = new Variant(ic.ToInt64(provider));
break;
case TypeCode.UInt64:
v = new Variant(ic.ToUInt64(provider));
break;
case TypeCode.Single:
v = new Variant(ic.ToSingle(provider));
break;
case TypeCode.Double:
v = new Variant(ic.ToDouble(provider));
break;
case TypeCode.Decimal:
v = new Variant(ic.ToDecimal(provider));
break;
case TypeCode.DateTime:
v = new Variant(ic.ToDateTime(provider));
break;
case TypeCode.String:
v = new Variant(ic.ToString(provider));
break;
default:
throw new NotSupportedException(SR.Format(SR.NotSupported_UnknownTypeCode, ic.GetTypeCode()));
}
}
}
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
}
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));
}
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));
}
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));
}
// 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");
}
}
public static Literal DoLogicalOr(IConvertible ic1, IConvertible ic2, TypeCode code1, TypeCode code2, BinaryExpression binaryExpression){
TypeNode type = SystemTypes.Object;
object val = null;
if (code1 == TypeCode.Boolean && code2 == TypeCode.Boolean){
type = SystemTypes.Boolean;
val = ic1.ToBoolean(null) || ic2.ToBoolean(null);
}
return new Literal(val, type, binaryExpression.SourceContext);
}
public bool ToBoolean(IFormatProvider provider)
{
IConvertible o = GetConvertible();
return(o.ToBoolean(provider));
}
internal static String ToString(Object value, PreferredType pref, IConvertible ic, bool explicitOK){
Enum e = value as Enum;
if (e != null) return e.ToString("G");
EnumWrapper ew = value as EnumWrapper;
if (ew != null) return ew.ToString();
TypeCode code = Convert.GetTypeCode(value, ic);
if (pref == PreferredType.LocaleString){
switch (code){
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Single:
case TypeCode.Double: {
double d = ic.ToDouble(null);
return d.ToString(d <= -1e+15 || d >= 1e+15 ? "g" : "n", NumberFormatInfo.CurrentInfo);
}
case TypeCode.Int64: return ic.ToInt64(null).ToString("n", NumberFormatInfo.CurrentInfo);
case TypeCode.UInt64: return ic.ToUInt64(null).ToString("n", NumberFormatInfo.CurrentInfo);
case TypeCode.Decimal: return ic.ToDecimal(null).ToString("n", NumberFormatInfo.CurrentInfo);
}
}
switch (code){
case TypeCode.Empty: return explicitOK ? "undefined" : null;
case TypeCode.Object: return Convert.ToString(Convert.ToPrimitive(value, pref, ref ic), ic);
case TypeCode.DBNull: return explicitOK ? "null" : null;
case TypeCode.Boolean: return ic.ToBoolean(null) ? "true" : "false";
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Decimal:
case TypeCode.String: return ic.ToString(null);
case TypeCode.DateTime: return Convert.ToString(DateConstructor.ob.Construct(ic.ToDateTime(null)));
case TypeCode.Single:
case TypeCode.Double: return Convert.ToString(ic.ToDouble(null));
}
return null; //Should never get here
}
/// <summary>
/// Converts the <see cref="Object"/> to its JSON string representation.
/// </summary>
/// <param name="value">The value to convert.</param>
/// <returns>A JSON string representation of the <see cref="Object"/>.</returns>
public static string ToString(object value)
{
if (value == null)
{
return(Null);
}
if (value is IConvertible)
{
IConvertible convertible = (IConvertible)value;
switch (convertible.GetTypeCode())
{
case TypeCode.String:
return(ToString(convertible.ToString(CultureInfo.InvariantCulture)));
case TypeCode.Char:
return(ToString(convertible.ToChar(CultureInfo.InvariantCulture)));
case TypeCode.Boolean:
return(ToString(convertible.ToBoolean(CultureInfo.InvariantCulture)));
case TypeCode.SByte:
return(ToString(convertible.ToSByte(CultureInfo.InvariantCulture)));
case TypeCode.Int16:
return(ToString(convertible.ToInt16(CultureInfo.InvariantCulture)));
case TypeCode.UInt16:
return(ToString(convertible.ToUInt16(CultureInfo.InvariantCulture)));
case TypeCode.Int32:
return(ToString(convertible.ToInt32(CultureInfo.InvariantCulture)));
case TypeCode.Byte:
return(ToString(convertible.ToByte(CultureInfo.InvariantCulture)));
case TypeCode.UInt32:
return(ToString(convertible.ToUInt32(CultureInfo.InvariantCulture)));
case TypeCode.Int64:
return(ToString(convertible.ToInt64(CultureInfo.InvariantCulture)));
case TypeCode.UInt64:
return(ToString(convertible.ToUInt64(CultureInfo.InvariantCulture)));
case TypeCode.Single:
return(ToString(convertible.ToSingle(CultureInfo.InvariantCulture)));
case TypeCode.Double:
return(ToString(convertible.ToDouble(CultureInfo.InvariantCulture)));
case TypeCode.DateTime:
return(ToString(convertible.ToDateTime(CultureInfo.InvariantCulture)));
case TypeCode.Decimal:
return(ToString(convertible.ToDecimal(CultureInfo.InvariantCulture)));
case TypeCode.DBNull:
return(Null);
}
}
#if !PocketPC && !NET20
else if (value is DateTimeOffset)
{
return(ToString((DateTimeOffset)value));
}
#endif
throw new ArgumentException("Unsupported type: {0}. Use the JsonSerializer class to get the object's JSON representation.".FormatWith(CultureInfo.InvariantCulture, value.GetType()));
}
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 bool JScriptEquals(object v1, object v2, IConvertible ic1, IConvertible ic2, TypeCode t1, TypeCode t2, bool checkForDebuggerObjects)
{
if (StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, t2, checkForDebuggerObjects))
{
return true;
}
if (t2 == TypeCode.Boolean)
{
v2 = ic2.ToBoolean(null) ? 1 : 0;
ic2 = Microsoft.JScript.Convert.GetIConvertible(v2);
return JScriptEquals(v1, v2, ic1, ic2, t1, TypeCode.Int32, false);
}
switch (t1)
{
case TypeCode.Empty:
if ((t2 == TypeCode.Empty) || (t2 == TypeCode.DBNull))
{
return true;
}
if (t2 != TypeCode.Object)
{
return false;
}
return (v2 is Microsoft.JScript.Missing);
case TypeCode.Object:
switch (t2)
{
case TypeCode.Empty:
case TypeCode.DBNull:
return (v1 is Microsoft.JScript.Missing);
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
{
IConvertible ic = ic1;
object obj2 = Microsoft.JScript.Convert.ToPrimitive(v1, PreferredType.Either, ref ic);
return (((ic != null) && (obj2 != v1)) && JScriptEquals(obj2, v2, ic, ic2, ic.GetTypeCode(), t2, false));
}
}
break;
case TypeCode.DBNull:
if ((t2 == TypeCode.DBNull) || (t2 == TypeCode.Empty))
{
return true;
}
if (t2 != TypeCode.Object)
{
return false;
}
return (v2 is Microsoft.JScript.Missing);
case TypeCode.Boolean:
v1 = ic1.ToBoolean(null) ? 1 : 0;
ic1 = Microsoft.JScript.Convert.GetIConvertible(v1);
return JScriptEquals(v1, v2, ic1, ic2, TypeCode.Int32, t2, false);
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
{
if (t2 != TypeCode.Object)
{
if (t2 != TypeCode.String)
{
return false;
}
if (v1 is Enum)
{
return Microsoft.JScript.Convert.ToString(v1).Equals(ic2.ToString(null));
}
v2 = Microsoft.JScript.Convert.ToNumber(v2, ic2);
ic2 = Microsoft.JScript.Convert.GetIConvertible(v2);
return StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, t1, TypeCode.Double, false);
}
IConvertible convertible2 = ic2;
object obj3 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible2);
if ((convertible2 == null) || (obj3 == v2))
{
return false;
}
return JScriptEquals(v1, obj3, ic1, convertible2, t1, convertible2.GetTypeCode(), false);
}
case TypeCode.DateTime:
{
if (t2 != TypeCode.Object)
{
goto Label_0236;
}
IConvertible convertible3 = ic2;
object obj4 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible3);
if ((obj4 == null) || (obj4 == v2))
{
goto Label_0236;
}
return StrictEquality.JScriptStrictEquals(v1, obj4, ic1, convertible3, t1, convertible3.GetTypeCode(), false);
}
case TypeCode.String:
switch (t2)
{
case TypeCode.Object:
{
IConvertible convertible4 = ic2;
object obj5 = Microsoft.JScript.Convert.ToPrimitive(v2, PreferredType.Either, ref convertible4);
return (((convertible4 != null) && (obj5 != v2)) && JScriptEquals(v1, obj5, ic1, convertible4, t1, convertible4.GetTypeCode(), false));
}
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
if (v2 is Enum)
{
return Microsoft.JScript.Convert.ToString(v2).Equals(ic1.ToString(null));
}
v1 = Microsoft.JScript.Convert.ToNumber(v1, ic1);
ic1 = Microsoft.JScript.Convert.GetIConvertible(v1);
return StrictEquality.JScriptStrictEquals(v1, v2, ic1, ic2, TypeCode.Double, t2, false);
}
return false;
default:
return false;
}
return false;
Label_0236:
return false;
}
