| public static DoOp ( Object v1, Object v2 ) : Object | ||
| v1 | Object | |
| v2 | Object | |
| Результат | Object | |
public Object EvaluatePlus(Object v1, Object v2)
{
if (v1 is Int32 && v2 is Int32)
{
return(Plus.DoOp((Int32)v1, (Int32)v2));
}
else if (v1 is Double && v2 is Double)
{
return(Plus.DoOp((Double)v1, (Double)v2));
}
else
{
return(this.EvaluatePlus2(v1, v2));
}
}
private Object EvaluatePlus2(Object v1, Object v2)
{
IConvertible ic1 = Convert.GetIConvertible(v1);
IConvertible ic2 = Convert.GetIConvertible(v2);
TypeCode t1 = Convert.GetTypeCode(v1, ic1);
TypeCode t2 = Convert.GetTypeCode(v2, ic2);
switch (t1)
{
case TypeCode.Empty:
return(Plus.DoOp(v1, v2));
case TypeCode.DBNull:
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(0);
case TypeCode.Boolean:
case TypeCode.Char:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(ic2.ToInt32(null));
case TypeCode.UInt32:
return(ic2.ToUInt32(null));
case TypeCode.Int64:
return(ic2.ToInt64(null));
case TypeCode.UInt64:
return(ic2.ToUInt64(null));
case TypeCode.Single:
case TypeCode.Double:
return(ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return("null" + ic2.ToString(null));
}
break;
case TypeCode.Char:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.UInt32:
case TypeCode.Int64:
return(((IConvertible)Plus.DoOp((long)val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.UInt64:
return(((IConvertible)Plus.DoOp((ulong)val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.Single:
case TypeCode.Double:
checked { return((char)(int)(Convert.CheckIfDoubleIsInteger((double)Plus.DoOp((double)val, ic2.ToDouble(null))))); }
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
return(Plus.DoOp(v1, v2));
case TypeCode.Char:
case TypeCode.String:
return(ic1.ToString(null) + ic2.ToString(null));
}
break; }
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
{ int val = ic1.ToInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(Plus.DoOp(val, ic2.ToInt32(null)));
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt32:
{ uint val = ic1.ToUInt32(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
int val2 = ic2.ToInt32(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (uint)val2));
}
else
{
return(Plus.DoOp((long)val, (long)val2));
}
case TypeCode.Int64:
return(Plus.DoOp((long)val, ic2.ToInt64(null)));
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt32(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.UInt16:
case TypeCode.UInt32:
return(Plus.DoOp(val, ic2.ToUInt32(null)));
case TypeCode.UInt64:
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Int64:
{ long val = ic1.ToInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToInt64(null))).ToChar(null));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
case TypeCode.UInt32:
case TypeCode.Int64:
return(Plus.DoOp(val, ic2.ToInt64(null)));
case TypeCode.UInt64:
if (val >= 0)
{
return(Plus.DoOp((ulong)val, ic2.ToUInt64(null)));
}
else
{
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
}
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.UInt64:
{ ulong val = ic1.ToUInt64(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(val);
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
long val2 = ic2.ToInt64(null);
if (val2 >= 0)
{
return(Plus.DoOp(val, (ulong)val2));
}
else
{
return(Plus.DoOp((double)val, (double)val2));
}
case TypeCode.Char:
return(((IConvertible)Plus.DoOp(val, ic2.ToUInt64(null))).ToChar(null));
case TypeCode.UInt16:
case TypeCode.Boolean:
case TypeCode.UInt32:
case TypeCode.UInt64:
return(Plus.DoOp(val, ic2.ToUInt64(null)));
case TypeCode.Single:
case TypeCode.Double:
return(Plus.DoOp((double)val, ic2.ToDouble(null)));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(Convert.ToString(v1) + ic2.ToString(null));
}
break; }
case TypeCode.Single:
case TypeCode.Double: {
double d = ic1.ToDouble(null);
switch (t2)
{
case TypeCode.Empty:
return(Double.NaN);
case TypeCode.DBNull:
return(ic1.ToDouble(null));
case TypeCode.Char:
return(System.Convert.ToChar(System.Convert.ToInt32((d + (double)ic2.ToInt32(null)))));
case TypeCode.Boolean:
case TypeCode.SByte:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.UInt16:
case TypeCode.Int32:
return(d + (double)ic2.ToInt32(null));
case TypeCode.UInt32:
case TypeCode.Int64:
case TypeCode.UInt64:
case TypeCode.Single:
case TypeCode.Double:
return(d + ic2.ToDouble(null));
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
return(new ConcatString(Convert.ToString(d), ic2.ToString(null)));
}
break;
}
case TypeCode.Object:
case TypeCode.Decimal:
case TypeCode.DateTime:
break;
case TypeCode.String:
switch (t2)
{
case TypeCode.Object:
break;
case TypeCode.String:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, ic2.ToString(null)));
}
else
{
return(new ConcatString(ic1.ToString(null), ic2.ToString(null)));
}
default:
if (v1 is ConcatString)
{
return(new ConcatString((ConcatString)v1, Convert.ToString(v2)));
}
else
{
return(new ConcatString(ic1.ToString(null), Convert.ToString(v2)));
}
}
break;
}
MethodInfo oper = this.GetOperator(v1 == null ? Typeob.Empty : v1.GetType(), v2 == null ? Typeob.Empty : v2.GetType());
if (oper != null)
{
return(oper.Invoke(null, (BindingFlags)0, JSBinder.ob, new Object[] { v1, v2 }, null));
}
else
{
return(Plus.DoOp(v1, v2));
}
}