private string GetValue(Column column, object value)
{
if (value == null)
{
return("NULL");
}
else
{
switch (Type.GetTypeCode(value.GetType()))
{
case TypeCode.Empty:
break;
case TypeCode.Object:
if (value is Guid)
{
return(string.Format("'{0}'", ((Guid)value).ToString("D")));
}
byte[] bytes = value as byte[];
if (bytes != null)
{
return("0x" + ConvertUtilities.ToHexa(bytes));
}
break;
case TypeCode.DBNull:
return("NULL");
case TypeCode.Boolean:
return((bool)value ? "1" : "0");
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:
return(string.Format(CultureInfo.InvariantCulture, "{0}", value));
case TypeCode.DateTime:
return(string.Format("'{0:O}'", (DateTime)value));
case TypeCode.Char:
case TypeCode.String:
return(EscapeStringValue(column, string.Format("{0}", value)));
}
}
throw new InvalidOperationException();
}
private object GetHash(Column column, PasswordFormat format, string password)
{
using (HashAlgorithm algorithm = CreateAlgorithm(format))
{
byte[] buffer = Encoding.UTF8.GetBytes(password);
byte[] hash = algorithm.ComputeHash(buffer);
if (IsStringDbType(column))
{
return(ConvertUtilities.ToHexa(hash));
}
return(hash);
}
}
protected override object GenerateCore(Project project, Column column)
{
var format = Format;
if (format == ColorFormat.Auto)
{
if (IsNumericDbType(column))
{
format = ColorFormat.IntegerARGB;
}
else
{
format = ColorFormat.RGB;
}
}
switch (format)
{
case ColorFormat.Name:
if (_colors == null)
{
_colors = typeof(Colors).GetProperties().Where(_ => typeof(Color).IsAssignableFrom(_.PropertyType)).Select(_ => _.Name).ToArray();
}
return(Random.NextFromArray(_colors));
case ColorFormat.IntegerRGB:
return(Random.NextInt32(0, 1 << 24));
case ColorFormat.IntegerARGB:
return(Random.NextInt32());
case ColorFormat.RGB:
return(ConvertUtilities.ToHexa(new[] { Random.NextByte(), Random.NextByte(), Random.NextByte() }));
case ColorFormat.HtmlRGB:
return("#" + ConvertUtilities.ToHexa(new[] { Random.NextByte(), Random.NextByte(), Random.NextByte() }));
case ColorFormat.ARGB:
return(ConvertUtilities.ToHexa(new[] { Random.NextByte(), Random.NextByte(), Random.NextByte(), Random.NextByte() }));
case ColorFormat.HtmlARGB:
return("#" + ConvertUtilities.ToHexa(new[] { Random.NextByte(), Random.NextByte(), Random.NextByte(), Random.NextByte() }));
default:
throw new ArgumentOutOfRangeException();
}
}