public static float FromObject
(Object Value, NumberFormatInfo NumberFormat)
{
#if !ECMA_COMPAT
if (Value != null)
{
IConvertible ic = (Value as IConvertible);
if (ic != null)
{
if (ic.GetTypeCode() != TypeCode.String)
{
return(ic.ToSingle(NumberFormat));
}
else
{
return(FromString(ic.ToString(null), NumberFormat));
}
}
else
{
throw new InvalidCastException
(String.Format
(S._("VB_InvalidCast"),
Value.GetType(), "System.Single"));
}
}
else
{
return(0.0f);
}
#else
return((float)(DoubleType.FromObject(Value, NumberFormat)));
#endif
}
// Divide two objects.
public static Object DivObj(Object o1, Object o2)
{
switch (CommonType(o1, o2, false))
{
case TypeCode.Boolean:
{
return((BooleanType.FromObject(o1) ? -1.0 : 0.0) *
(BooleanType.FromObject(o2) ? -1.0 : 0.0));
}
// Not reached.
case TypeCode.Single:
{
return(SingleType.FromObject(o1) /
SingleType.FromObject(o2));
}
// Not reached.
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Double:
case TypeCode.String:
{
return(DoubleType.FromObject(o1) /
DoubleType.FromObject(o2));
}
// Not reached.
case TypeCode.Decimal:
{
decimal d1 = DecimalType.FromObject(o1);
decimal d2 = DecimalType.FromObject(o2);
try
{
checked
{
return(d1 / d2);
}
}
catch (OverflowException)
{
return(((float)d1) / ((float)d2));
}
}
// Not reached.
}
throw new InvalidCastException(S._("VB_InvalidDivArguments"));
}
// Power two objects.
public static Object PowObj(Object o1, Object o2)
{
switch (CommonType(o1, o2, false))
{
case TypeCode.Boolean:
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.String:
case TypeCode.Decimal:
{
return(Math.Pow(DoubleType.FromObject(o1),
DoubleType.FromObject(o2)));
}
// Not reached.
}
throw new InvalidCastException(S._("VB_InvalidPowArguments"));
}
// Unary plus an object.
public static Object PlusObj(Object o)
{
if (o == null)
{
return(0);
}
switch (GetTypeCode(o))
{
case TypeCode.Boolean:
return((short)(BooleanType.FromObject(o) ? -1 : 0));
case TypeCode.Byte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
case TypeCode.String:
return(DoubleType.FromObject(o));
}
throw new InvalidCastException(S._("VB_InvalidPlusArgument"));
}
internal override void Input(ref double Value)
{
Value = DoubleType.FromObject(this.InputNum(VariantType.Double));
}
internal override void PutObject(object Value, long RecordNumber = 0L, bool ContainedInVariant = true)
{
this.ValidateWriteable();
if (Value == null)
{
this.PutEmpty(RecordNumber);
}
else
{
Type enumType = Value.GetType();
if (enumType == null)
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedIOType1", new string[] { "Empty" })), 5);
}
if (enumType.IsArray)
{
this.PutDynamicArray(RecordNumber, (Array)Value, true, -1);
}
else
{
if (enumType.IsEnum)
{
enumType = Enum.GetUnderlyingType(enumType);
}
switch (Type.GetTypeCode(enumType))
{
case TypeCode.DBNull:
this.PutShort(RecordNumber, 1, false);
return;
case TypeCode.Boolean:
this.PutBoolean(RecordNumber, BooleanType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Char:
this.PutChar(RecordNumber, Microsoft.VisualBasic.CompilerServices.CharType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Byte:
this.PutByte(RecordNumber, ByteType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Int16:
this.PutShort(RecordNumber, ShortType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Int32:
this.PutInteger(RecordNumber, IntegerType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Int64:
this.PutLong(RecordNumber, LongType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Single:
this.PutSingle(RecordNumber, SingleType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Double:
this.PutDouble(RecordNumber, DoubleType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.Decimal:
this.PutDecimal(RecordNumber, DecimalType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.DateTime:
this.PutDate(RecordNumber, DateType.FromObject(Value), ContainedInVariant);
return;
case TypeCode.String:
this.PutVariantString(RecordNumber, Value.ToString());
return;
}
if (enumType == typeof(Missing))
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedIOType1", new string[] { "Missing" })), 5);
}
if (enumType.IsValueType && !ContainedInVariant)
{
this.PutRecord(RecordNumber, (ValueType)Value);
}
else
{
if (ContainedInVariant && enumType.IsValueType)
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_PutObjectOfValueType1", new string[] { Utils.VBFriendlyName(enumType, Value) })), 5);
}
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedIOType1", new string[] { Utils.VBFriendlyName(enumType, Value) })), 5);
}
}
}
}
internal override void Input(ref double Value)
{
Value = DoubleType.FromObject(this.InputNum(VariantType.Double), Utils.GetInvariantCultureInfo().NumberFormat);
}
// Multiply two objects.
public static Object MulObj(Object o1, Object o2)
{
switch (CommonType(o1, o2, false))
{
case TypeCode.Boolean:
{
return((short)((BooleanType.FromObject(o1) ? -1 : 0) *
(BooleanType.FromObject(o2) ? -1 : 0)));
}
// Not reached.
case TypeCode.Byte:
{
int bp = ByteType.FromObject(o1) *
ByteType.FromObject(o2);
if (bp <= 255)
{
return((byte)bp);
}
else if (bp <= 32767)
{
return((short)bp);
}
else
{
return(bp);
}
}
// Not reached.
case TypeCode.Int16:
{
int sp = ShortType.FromObject(o1) *
ShortType.FromObject(o2);
if (sp >= -32768 && sp <= 32767)
{
return((short)sp);
}
else
{
return(sp);
}
}
// Not reached.
case TypeCode.Int32:
{
int i1 = IntegerType.FromObject(o1);
int i2 = IntegerType.FromObject(o2);
try
{
checked
{
return(i1 * i2);
}
}
catch (OverflowException)
{
return(((long)i1) * ((long)i2));
}
}
// Not reached.
case TypeCode.Int64:
{
long l1 = LongType.FromObject(o1);
long l2 = LongType.FromObject(o2);
try
{
checked
{
return(l1 * l2);
}
}
catch (OverflowException)
{
try
{
return(((decimal)l1) * ((decimal)l2));
}
catch (OverflowException)
{
return(((double)l1) * ((double)l2));
}
}
}
// Not reached.
case TypeCode.Single:
{
return(SingleType.FromObject(o1) *
SingleType.FromObject(o2));
}
// Not reached.
case TypeCode.Double:
case TypeCode.String:
{
return(DoubleType.FromObject(o1) *
DoubleType.FromObject(o2));
}
// Not reached.
case TypeCode.Decimal:
{
decimal d1 = DecimalType.FromObject(o1);
decimal d2 = DecimalType.FromObject(o2);
try
{
checked
{
return(d1 * d2);
}
}
catch (OverflowException)
{
return(((double)d1) * ((double)d2));
}
}
// Not reached.
}
throw new InvalidCastException(S._("VB_InvalidMulArguments"));
}
// Modulus two objects.
public static Object ModObj(Object o1, Object o2)
{
switch (CommonType(o1, o2, false))
{
case TypeCode.Boolean:
{
return((short)((BooleanType.FromObject(o1) ? -1 : 0) %
(BooleanType.FromObject(o2) ? -1 : 0)));
}
// Not reached.
case TypeCode.Byte:
{
return((byte)(ByteType.FromObject(o1) %
ByteType.FromObject(o2)));
}
// Not reached.
case TypeCode.Int16:
{
return((short)(ShortType.FromObject(o1) %
ShortType.FromObject(o2)));
}
// Not reached.
case TypeCode.Int32:
{
return(IntegerType.FromObject(o1) %
IntegerType.FromObject(o2));
}
// Not reached.
case TypeCode.Int64:
{
return(LongType.FromObject(o1) %
LongType.FromObject(o2));
}
// Not reached.
case TypeCode.Single:
{
return(SingleType.FromObject(o1) %
SingleType.FromObject(o2));
}
// Not reached.
case TypeCode.Double:
case TypeCode.String:
{
return(DoubleType.FromObject(o1) %
DoubleType.FromObject(o2));
}
// Not reached.
case TypeCode.Decimal:
{
return(DecimalType.FromObject(o1) %
DecimalType.FromObject(o2));
}
// Not reached.
}
throw new InvalidCastException(S._("VB_InvalidModArguments"));
}
// Test two objects and return -1, 0, or 1.
public static int ObjTst(Object o1, Object o2, bool TextCompare)
{
switch (CommonType(o1, o2, true))
{
case TypeCode.Boolean:
{
int b1 = (BooleanType.FromObject(o1) ? -1 : 0);
int b2 = (BooleanType.FromObject(o2) ? -1 : 0);
if (b1 < b2)
{
return(-1);
}
else if (b1 > b2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Byte:
{
byte by1 = ByteType.FromObject(o1);
byte by2 = ByteType.FromObject(o2);
if (by1 < by2)
{
return(-1);
}
else if (by1 > by2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Int16:
{
short s1 = ShortType.FromObject(o1);
short s2 = ShortType.FromObject(o2);
if (s1 < s2)
{
return(-1);
}
else if (s1 > s2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Int32:
{
int i1 = IntegerType.FromObject(o1);
int i2 = IntegerType.FromObject(o2);
if (i1 < i2)
{
return(-1);
}
else if (i1 > i2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Int64:
{
long l1 = LongType.FromObject(o1);
long l2 = LongType.FromObject(o2);
if (l1 < l2)
{
return(-1);
}
else if (l1 > l2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Single:
{
float f1 = SingleType.FromObject(o1);
float f2 = SingleType.FromObject(o2);
if (f1 < f2)
{
return(-1);
}
else if (f1 > f2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.Double:
{
double d1 = DoubleType.FromObject(o1);
double d2 = DoubleType.FromObject(o2);
if (d1 < d2)
{
return(-1);
}
else if (d1 > d2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
case TypeCode.String:
{
if (!TextCompare)
{
return(String.CompareOrdinal
(StringType.FromObject(o1),
StringType.FromObject(o2)));
}
else
{
return(CultureInfo.CurrentCulture.CompareInfo
.Compare(StringType.FromObject(o1),
StringType.FromObject(o2),
CompareOptions.IgnoreCase |
CompareOptions.IgnoreKanaType |
CompareOptions.IgnoreWidth));
}
}
// Not reached.
case TypeCode.Decimal:
{
decimal D1 = DecimalType.FromObject(o1);
decimal D2 = DecimalType.FromObject(o2);
if (D1 < D2)
{
return(-1);
}
else if (D1 > D2)
{
return(1);
}
else
{
return(0);
}
}
// Not reached.
}
throw new InvalidCastException(S._("VB_InvalidTstArguments"));
}
// Negate an object.
public static Object NegObj(Object o)
{
if (o == null)
{
return(0);
}
switch (GetTypeCode(o))
{
case TypeCode.Boolean:
return((short)(BooleanType.FromObject(o) ? 1 : 0));
case TypeCode.Byte:
return((short)(-(ByteType.FromObject(o))));
case TypeCode.Int16:
{
int svalue = -(ShortType.FromObject(o));
if (svalue >= -32768 && svalue <= 32767)
{
return((short)svalue);
}
else
{
return(svalue);
}
}
// Not reached.
case TypeCode.Int32:
{
int ivalue = IntegerType.FromObject(o);
if (ivalue != Int32.MinValue)
{
return(-ivalue);
}
else
{
return(-((long)ivalue));
}
}
// Not reached.
case TypeCode.Int64:
{
long lvalue = LongType.FromObject(o);
if (lvalue != Int64.MinValue)
{
return(-lvalue);
}
else
{
return(-((decimal)lvalue));
}
}
// Not reached.
case TypeCode.Single:
return(-(SingleType.FromObject(o)));
case TypeCode.Double:
case TypeCode.String:
return(-(DoubleType.FromObject(o)));
case TypeCode.Decimal:
return(-(DecimalType.FromObject(o)));
}
throw new InvalidCastException(S._("VB_InvalidNegArgument"));
}
public bool Callback(FieldInfo field_info, ref object vValue)
{
bool flag;
string str;
Type fieldType = field_info.FieldType;
if (fieldType == null)
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", new string[] { field_info.Name, "Empty" })), 5);
}
if (fieldType.IsArray)
{
VBFixedArrayAttribute attribute;
int fixedStringLength = -1;
object[] objArray = field_info.GetCustomAttributes(typeof(VBFixedArrayAttribute), false);
if ((objArray != null) && (objArray.Length != 0))
{
attribute = (VBFixedArrayAttribute)objArray[0];
}
else
{
attribute = null;
}
Type elementType = fieldType.GetElementType();
if (elementType == typeof(string))
{
objArray = field_info.GetCustomAttributes(typeof(VBFixedStringAttribute), false);
if ((objArray == null) || (objArray.Length == 0))
{
fixedStringLength = -1;
}
else
{
fixedStringLength = ((VBFixedStringAttribute)objArray[0]).Length;
}
}
if (attribute == null)
{
this.m_oFile.PutDynamicArray(0L, (Array)vValue, false, fixedStringLength);
return(flag);
}
this.m_oFile.PutFixedArray(0L, (Array)vValue, elementType, fixedStringLength, attribute.FirstBound, attribute.SecondBound);
return(flag);
}
switch (Type.GetTypeCode(fieldType))
{
case TypeCode.DBNull:
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", new string[] { field_info.Name, "DBNull" })), 5);
case TypeCode.Boolean:
this.m_oFile.PutBoolean(0L, BooleanType.FromObject(vValue), false);
return(flag);
case TypeCode.Char:
this.m_oFile.PutChar(0L, Microsoft.VisualBasic.CompilerServices.CharType.FromObject(vValue), false);
return(flag);
case TypeCode.Byte:
this.m_oFile.PutByte(0L, ByteType.FromObject(vValue), false);
return(flag);
case TypeCode.Int16:
this.m_oFile.PutShort(0L, ShortType.FromObject(vValue), false);
return(flag);
case TypeCode.Int32:
this.m_oFile.PutInteger(0L, IntegerType.FromObject(vValue), false);
return(flag);
case TypeCode.Int64:
this.m_oFile.PutLong(0L, LongType.FromObject(vValue), false);
return(flag);
case TypeCode.Single:
this.m_oFile.PutSingle(0L, SingleType.FromObject(vValue), false);
return(flag);
case TypeCode.Double:
this.m_oFile.PutDouble(0L, DoubleType.FromObject(vValue), false);
return(flag);
case TypeCode.Decimal:
this.m_oFile.PutDecimal(0L, DecimalType.FromObject(vValue), false);
return(flag);
case TypeCode.DateTime:
this.m_oFile.PutDate(0L, DateType.FromObject(vValue), false);
return(flag);
case TypeCode.String:
if (vValue == null)
{
str = null;
break;
}
str = vValue.ToString();
break;
default:
if (fieldType == typeof(object))
{
this.m_oFile.PutObject(vValue, 0L, true);
return(flag);
}
if (fieldType == typeof(Exception))
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", new string[] { field_info.Name, "Exception" })), 5);
}
if (fieldType == typeof(Missing))
{
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", new string[] { field_info.Name, "Missing" })), 5);
}
throw ExceptionUtils.VbMakeException(new ArgumentException(Utils.GetResourceString("Argument_UnsupportedFieldType2", new string[] { field_info.Name, fieldType.Name })), 5);
}
object[] customAttributes = field_info.GetCustomAttributes(typeof(VBFixedStringAttribute), false);
if ((customAttributes == null) || (customAttributes.Length == 0))
{
this.m_oFile.PutStringWithLength(0L, str);
return(flag);
}
VBFixedStringAttribute attribute2 = (VBFixedStringAttribute)customAttributes[0];
int length = attribute2.Length;
if (length == 0)
{
length = -1;
}
this.m_oFile.PutFixedLengthString(0L, str, length);
return(flag);
}