/// <summary>
/// 构造 DomFragmentManager 对象
/// </summary>
/// <param name="document">FragmentManager 对象所属的文档</param>
public DomFragmentManager(DomDocument document)
{
lock (document.SyncRoot)
{
if (document.FragmentManager != null)
{
throw new InvalidOperationException();
}
_document = document;
_fragments = new SynchronizedCollection <DomFragment>(SyncRoot);
}
}
/// <summary>
/// 构造 DomFragmentManager 对象
/// </summary>
/// <param name="document">FragmentManager 对象所属的文档</param>
/// <param name="parserProvider">文档碎片解析器提供程序</param>
public DomFragmentManager( DomDocument document, IDomFragmentParserProvider parserProvider )
{
if ( document == null )
throw new ArgumentNullException( "document" );
if ( parserProvider == null )
throw new ArgumentNullException( "parserProvider" );
lock ( document.SyncRoot )
{
if ( document.FragmentManager != null )
throw new InvalidOperationException();
_document = document;
_fragments = new SynchronizedCollection<DomFragment>( SyncRoot );
_parserProvider = parserProvider;
}
}
/// <summary>
/// 获取文档片段解析器
/// </summary>
/// <param name="document">要解析文档片段的文档</param>
/// <returns></returns>
public virtual IDomFragmentParser GetFragmentParser( DomDocument document )
{
return this;
}
/// <summary>
/// 获取文档片段解析器
/// </summary>
/// <param name="document">要解析文档片段的文档</param>
/// <returns></returns>
public virtual IDomFragmentParser GetFragmentParser(DomDocument document)
{
return(this);
}