#region Apache Notice
/*****************************************************************************
* $Revision: 405046 $
* $LastChangedDate: 2006-05-08 15:21:44 +0200 (lun., 08 mai 2006) $
* $LastChangedBy: gbayon $
*
* iBATIS.NET Data Mapper
* Copyright (C) 2006/2005 - The Apache Software Foundation
*
*
* 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
#region Using
using System.Text;
using IBatisNet.Common.Utilities.Objects.Members;
using IBatisNet.DataMapper.Configuration.Sql.Dynamic.Elements;
#endregion
namespace IBatisNet.DataMapper.Configuration.Sql.Dynamic.Handlers{
/// <summary>
/// Description rsume de BaseTagHandler.
/// </summary>
public abstract class BaseTagHandler : ISqlTagHandler
{
#region Const
/// <summary>
/// BODY TAG
/// </summary>
public const int SKIP_BODY = 0;
/// <summary>
///
/// </summary>
public const int INCLUDE_BODY = 1;
/// <summary>
///
/// </summary>
public const int REPEAT_BODY = 2;
#endregion
private AccessorFactory _accessorFactory = null;
/// <summary>
/// The factory which build <see cref="IAccessor"/>
/// </summary>
public AccessorFactory AccessorFactory
{
get { return _accessorFactory; }
}
/// <summary>
/// Initializes a new instance of the <see cref="BaseTagHandler"/> class.
/// </summary>
/// <param name="accessorFactory">The accessor factory.</param>
public BaseTagHandler(AccessorFactory accessorFactory)
{
_accessorFactory = accessorFactory;
}
#region Methods
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <returns></returns>
public virtual int DoStartFragment(SqlTagContext ctx, SqlTag tag, object parameterObject)
{
return BaseTagHandler.INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
/// <returns></returns>
public virtual int DoEndFragment(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
return BaseTagHandler.INCLUDE_BODY;
}
/// <summary>
///
/// </summary>
/// <param name="ctx"></param>
/// <param name="tag"></param>
/// <param name="parameterObject"></param>
/// <param name="bodyContent"></param>
public virtual void DoPrepend(SqlTagContext ctx, SqlTag tag, object parameterObject, StringBuilder bodyContent)
{
if (tag.IsPrependAvailable)
{
if (bodyContent.ToString().Trim().Length > 0)
{
if (ctx.IsOverridePrepend && tag == ctx.FirstNonDynamicTagWithPrepend)
{
ctx.IsOverridePrepend = false;
}
else
{
bodyContent.Insert(0, tag.Prepend);
}
}
else
{
if (ctx.FirstNonDynamicTagWithPrepend != null)
{
ctx.FirstNonDynamicTagWithPrepend = null;
ctx.IsOverridePrepend =true;
}
}
}
}
#region ISqlTagHandler Menbers
/// <summary>
///
/// </summary>
public virtual bool IsPostParseRequired
{
get
{
return false;
}
}
#endregion
#endregion
}
}
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