#region License
/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#endregion
using System;
using System.Collections;
using System.Runtime.Serialization;
using Spring.Expressions.Parser.antlr.collections;
namespace Spring.Expressions{
/// <summary>
/// Represents parsed map initializer node in the navigation expression.
/// </summary>
/// <author>Aleksandar Seovic</author>
[Serializable]
public class MapInitializerNode : BaseNode
{
/// <summary>
/// Creates a new instance of <see cref="MapInitializerNode"/>.
/// </summary>
public MapInitializerNode()
{}
/// <summary>
/// Create a new instance from SerializationInfo
/// </summary>
protected MapInitializerNode(SerializationInfo info, StreamingContext context)
: base(info, context)
{
}
/// <summary>
/// Creates new instance of the map defined by this node.
/// </summary>
/// <param name="context">Context to evaluate expressions against.</param>
/// <param name="evalContext">Current expression evaluation context.</param>
/// <returns>Node's value.</returns>
protected override object Get(object context, EvaluationContext evalContext)
{
IDictionary entries = new Hashtable();
AST entryNode = this.getFirstChild();
while (entryNode != null)
{
DictionaryEntry entry = (DictionaryEntry) GetValue(((MapEntryNode)entryNode), evalContext.RootContext, evalContext );
entries[entry.Key] = entry.Value;
entryNode = entryNode.getNextSibling();
}
return entries;
}
}
}
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