91 lines
2.8 KiB
C#
91 lines
2.8 KiB
C#
|
//---------------------------------------------------------------------
|
|||
|
|
// <copyright file="SchemaEnumMember.cs" company="Microsoft">
|
|||
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|||
|
|
// </copyright>
|
|||
|
|
//
|
|||
|
|
// @owner [....]
|
|||
|
|
// @backupOwner [....]
|
|||
|
|
//---------------------------------------------------------------------
|
|||
|
|
|
|||
|
|
using System.Data.Metadata.Edm;
|
|||
|
|
using System.Diagnostics;
|
|||
|
|
using System.Globalization;
|
|||
|
|
using System.Xml;
|
|||
|
|
|
|||
|
|
namespace System.Data.EntityModel.SchemaObjectModel
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Represents enum Member element from the CSDL.
|
|||
|
|
/// </summary>
|
|||
|
|
internal class SchemaEnumMember : SchemaElement
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// Value for this member.
|
|||
|
|
/// </summary>
|
|||
|
|
long? _value;
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Initializes a new instance of the <see cref="SchemaEnumMember"/> class.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="parentElement">
|
|||
|
|
/// Parent element.
|
|||
|
|
/// </param>
|
|||
|
|
public SchemaEnumMember(SchemaElement parentElement)
|
|||
|
|
: base(parentElement)
|
|||
|
|
{ }
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Gets the value of this enum member. Possibly null if not specified in the CSDL.
|
|||
|
|
/// </summary>
|
|||
|
|
public long? Value
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
return _value;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
set
|
|||
|
|
{
|
|||
|
|
Debug.Assert(value != null, "value != null");
|
|||
|
|
|
|||
|
|
_value = value;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Generic handler for the Member element attributes
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="reader">Xml reader positioned on an attribute.</param>
|
|||
|
|
/// <c>true</c> if the attribute is a known attribute and was handled. Otherwise <c>false</c>
|
|||
|
|
protected override bool HandleAttribute(XmlReader reader)
|
|||
|
|
{
|
|||
|
|
Debug.Assert(reader != null, "reader != null");
|
|||
|
|
|
|||
|
|
bool handled = base.HandleAttribute(reader);
|
|||
|
|
if (!handled && (handled = CanHandleAttribute(reader, XmlConstants.Value)))
|
|||
|
|
{
|
|||
|
|
HandleValueAttribute(reader);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return handled;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Handler for the Member Value attribute.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="reader">XmlReader positioned on the Member Value attribute.</param>
|
|||
|
|
private void HandleValueAttribute(XmlReader reader)
|
|||
|
|
{
|
|||
|
|
Debug.Assert(reader != null, "reader != null");
|
|||
|
|
|
|||
|
|
// xsd validation will report an error if the value is not a valid xs:long number. If the number is valid
|
|||
|
|
// xs:long number then long.TryParse will succeed.
|
|||
|
|
long tmpValue;
|
|||
|
|
if (long.TryParse(reader.Value, NumberStyles.AllowLeadingSign, CultureInfo.InvariantCulture, out tmpValue))
|
|||
|
|
{
|
|||
|
|
_value = tmpValue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|