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QuotedFieldQueryNode.cs
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QuotedFieldQueryNode.cs
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using J2N.Text;
using Lucene.Net.QueryParsers.Flexible.Core.Parser;
using System.Text;
namespace Lucene.Net.QueryParsers.Flexible.Core.Nodes
{
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/// <summary>
/// A <see cref="QuotedFieldQueryNode"/> represents phrase query. Example:
/// "life is great"
/// </summary>
public class QuotedFieldQueryNode : FieldQueryNode
{
/// <summary>
///
/// </summary>
/// <param name="field">field name</param>
/// <param name="text">value</param>
/// <param name="begin">position in the query string</param>
/// <param name="end">position in the query string</param>
// LUCENENET specific overload for string text
public QuotedFieldQueryNode(string field, string text, int begin,
int end)
: this(field, text.AsCharSequence(), begin, end)
{
}
/// <summary>
///
/// </summary>
/// <param name="field">field name</param>
/// <param name="text">value</param>
/// <param name="begin">position in the query string</param>
/// <param name="end">position in the query string</param>
// LUCENENET specific overload for StringBuilder text
public QuotedFieldQueryNode(string field, StringBuilder text, int begin,
int end)
: this(field, text.AsCharSequence(), begin, end)
{
}
/// <summary>
///
/// </summary>
/// <param name="field">field name</param>
/// <param name="text">value</param>
/// <param name="begin">position in the query string</param>
/// <param name="end">position in the query string</param>
public QuotedFieldQueryNode(string field, ICharSequence text, int begin,
int end)
: base(field, text, begin, end)
{
}
public override string ToQueryString(IEscapeQuerySyntax escaper)
{
if (IsDefaultField(this.m_field))
{
return "\"" + GetTermEscapeQuoted(escaper) + "\"";
}
else
{
return this.m_field + ":" + "\"" + GetTermEscapeQuoted(escaper) + "\"";
}
}
public override string ToString()
{
return "<quotedfield start='" + this.m_begin + "' end='" + this.m_end
+ "' field='" + this.m_field + "' term='" + this.m_text + "'/>";
}
public override IQueryNode CloneTree()
{
QuotedFieldQueryNode clone = (QuotedFieldQueryNode)base.CloneTree();
// nothing to do here
return clone;
}
}
}