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//
// System.Web.UI.CollectionBuilder.cs
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (c) 2003 Ximian, Inc. (http://www.ximian.com)
//
//
// 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.Collections;
using System.Reflection;
namespace System.Web.UI
{
sealed class CollectionBuilder : ControlBuilder
{
Type elementType;
internal CollectionBuilder ()
{
}
public override void AppendLiteralString (string s)
{
if (s != null && s.Trim () != "")
throw new HttpException ("Literal content not allowed for " + ControlType);
}
public override Type GetChildControlType (string tagName, IDictionary attribs)
{
Type t = Root.GetChildControlType (tagName, attribs);
if (elementType != null && !elementType.IsAssignableFrom (t))
throw new HttpException ("Cannot add a " + t + " to " + elementType);
return t;
}
public override void Init (TemplateParser parser,
ControlBuilder parentBuilder,
Type type,
string tagName,
string id,
IDictionary attribs)
{
base.Init (parser, parentBuilder, type, tagName, id, attribs);
PropertyInfo prop = parentBuilder.ControlType.GetProperty (tagName, flagsNoCase);
SetControlType (prop.PropertyType);
MemberInfo[] mems = ControlType.GetMember ("Item", MemberTypes.Property, flagsNoCase & ~BindingFlags.IgnoreCase);
if (mems.Length > 0) prop = (PropertyInfo) mems [0];
else throw new HttpException ("Collection of type '" + ControlType + "' does not have an indexer.");
elementType = prop.PropertyType;
}
}
}
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