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//
// System.ComponentModel.Design.Serialization.EnumCodeDomSerializer
//
// Authors:
// Ivan N. Zlatev (contact i-nZ.net)
//
// (C) 2007 Ivan N. Zlatev
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.CodeDom;
namespace System.ComponentModel.Design.Serialization
{
internal class EnumCodeDomSerializer : CodeDomSerializer
{
public EnumCodeDomSerializer ()
{
}
public override object Serialize (IDesignerSerializationManager manager, object value)
{
if (manager == null)
throw new ArgumentNullException ("manager");
if (value == null)
throw new ArgumentNullException ("value");
Enum[] enums = null;
TypeConverter converter = TypeDescriptor.GetConverter (value);
if (converter.CanConvertTo (typeof (Enum[])))
enums = (Enum[]) converter.ConvertTo (value, typeof (Enum[]));
else
enums = new Enum[] { (Enum) value };
CodeExpression left = null;
CodeExpression right = null;
foreach (Enum e in enums) {
right = GetEnumExpression (e);
if (left == null) // just the first time
left = right;
else
left = new CodeBinaryOperatorExpression (left, CodeBinaryOperatorType.BitwiseOr, right);
}
return left;
}
private CodeExpression GetEnumExpression (Enum e)
{
TypeConverter converter = TypeDescriptor.GetConverter (e);
if (converter != null && converter.CanConvertTo (typeof (string)))
return new CodeFieldReferenceExpression (new CodeTypeReferenceExpression (e.GetType().FullName),
(string) converter.ConvertTo (e, typeof (string)));
else
return null;
}
}
}
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