private static void EmitCreateDocument(ILGenerator il, IHtmlDocument document)
{
//create document
//dup document, document
//st container document
//begin create element
//ld provider document, provider
//ld container document, provider, document
//ld ElementName document, provider, document, name
//create element document, element
//dup document, element, element
//st container document, element
//begin create textNode
//ld provider document, element, provider
//ld container document, element, provider, element
//ld text document, element, provider, element, text
//create text document, element, textNode
//pop document, element
//end create textNode
//end create element
//pop document
//dup document, document
//st container document
//end create document
//complete document
//ret
if (document.DocumentUri == null)
{
il.Emit(OpCodes.Ldnull);
}
else
{
il.Emit(OpCodes.Ldstr, document.DocumentUri.AbsoluteUri);
il.Emit(OpCodes.Newobj, NewUri);
}
il.Emit(OpCodes.Callvirt, CreateDocument);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Stloc_0);// set container;
foreach (var node in document.Nodes())
{
EmitCreateNode(il, node);
}
}
/// <summary>
/// 创建文档的副本
/// </summary>
/// <param name="provider">用于创建副本文档的 IHtmlDomProvider 对象</param>
/// <param name="document">要创建副本的文档</param>
/// <returns>文档的副本</returns>
public static IHtmlDocument MakeCopy(this IHtmlDomProvider provider, IHtmlDocument document)
{
var copy = provider.CreateDocument(document.DocumentUri);
copy.AddCopy(provider, document.Nodes());
return(copy);
}
private static void EmitCreateDocument( ILGenerator il, IHtmlDocument document )
{
//init provider
//CreateDocument document
//dup document, document
//st container document
//ld provider document, provider
//ld container document, provider, document
//ld spec document, provider, document, specS
//SetHtmlSpecifi document, spec
//pop document
//begin create element
//ld provider document, provider
//ld container document, provider, document
//ld ElementName document, provider, document, name
//create element document, element
//dup document, element, element
//st container document, element
//begin create textNode
//ld provider document, element, provider
//ld container document, element, provider, element
//ld text document, element, provider, element, text
//create text document, element, textNode
//pop document, element
//end create textNode
//end create element
//pop document
//dup document, document
//st container document
//end create document
//complete document
//ret
if ( document.DocumentUri == null )
il.Emit( OpCodes.Ldnull );
else
{
il.Emit( OpCodes.Ldstr, document.DocumentUri.AbsoluteUri );
il.Emit( OpCodes.Newobj, NewUri );
}
il.Emit( OpCodes.Callvirt, CreateDocument );
il.Emit( OpCodes.Dup );
il.Emit( OpCodes.Stloc_0 );// set container;
il.Emit( OpCodes.Ldarg_0 );
il.Emit( OpCodes.Ldloc_0 );
il.Emit( OpCodes.Castclass, typeof( IHtmlDocument ) );
il.Emit( OpCodes.Ldstr, document.HtmlSpecification.ToString() );
il.Emit( OpCodes.Callvirt, SetHtmlSpecification );
il.Emit( OpCodes.Pop );
foreach ( var node in document.Nodes() )
EmitCreateNode( il, node );
}
private static void EmitCreateDocument(ILGenerator il, IHtmlDocument document)
{
//init provider
//CreateDocument document
//dup document, document
//st container document
//ld provider document, provider
//ld container document, provider, document
//ld spec document, provider, document, specS
//SetHtmlSpecifi document, spec
//pop document
//begin create element
//ld provider document, provider
//ld container document, provider, document
//ld ElementName document, provider, document, name
//create element document, element
//dup document, element, element
//st container document, element
//begin create textNode
//ld provider document, element, provider
//ld container document, element, provider, element
//ld text document, element, provider, element, text
//create text document, element, textNode
//pop document, element
//end create textNode
//end create element
//pop document
//dup document, document
//st container document
//end create document
//complete document
//ret
if (document.DocumentUri == null)
{
il.Emit(OpCodes.Ldnull);
}
else
{
il.Emit(OpCodes.Ldstr, document.DocumentUri.AbsoluteUri);
il.Emit(OpCodes.Newobj, NewUri);
}
il.Emit(OpCodes.Callvirt, CreateDocument);
il.Emit(OpCodes.Dup);
il.Emit(OpCodes.Stloc_0);// set container;
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldloc_0);
il.Emit(OpCodes.Castclass, typeof(IHtmlDocument));
il.Emit(OpCodes.Ldstr, document.HtmlSpecification.ToString());
il.Emit(OpCodes.Callvirt, SetHtmlSpecification);
il.Emit(OpCodes.Pop);
foreach (var node in document.Nodes())
{
EmitCreateNode(il, node);
}
}
