gecko-dev/parser/htmlparser/public/nsIFragmentContentSink.h

97 строки
3.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsIFragmentContentSink_h___
#define nsIFragmentContentSink_h___
#include "nsISupports.h"
class nsIDOMDocumentFragment;
class nsIDocument;
#define NS_I_FRAGMENT_CONTENT_SINK_IID \
{ 0x1a8ce30b, 0x63fc, 0x441a, \
{ 0xa3, 0xaa, 0xf7, 0x16, 0xc0, 0xfe, 0x96, 0x69 } }
/**
* The fragment sink allows a client to parse a fragment of sink, possibly
* surrounded in context. Also see nsIParser::ParseFragment().
* Note: once you've parsed a fragment, the fragment sink must be re-set on
* the parser in order to parse another fragment.
*/
class nsIFragmentContentSink : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_I_FRAGMENT_CONTENT_SINK_IID)
/**
* This method is used to obtain the fragment created by
* a fragment content sink and to release resources held by the parser.
*
* The sink drops its reference to the fragment.
*/
NS_IMETHOD FinishFragmentParsing(nsIDOMDocumentFragment** aFragment) = 0;
/**
* This method is used to set the target document for this fragment
* sink. This document's nodeinfo manager will be used to create
* the content objects. This MUST be called before the sink is used.
*
* @param aDocument the document the new nodes will belong to
* (should not be null)
*/
NS_IMETHOD SetTargetDocument(nsIDocument* aDocument) = 0;
/**
* This method is used to indicate to the sink that we're done building
* the context and should start paying attention to the incoming content
*/
NS_IMETHOD WillBuildContent() = 0;
/**
* This method is used to indicate to the sink that we're done building
* The real content. This is useful if you want to parse additional context
* (such as an end context).
*/
NS_IMETHOD DidBuildContent() = 0;
/**
* This method is a total hack to help with parsing fragments. It is called to
* tell the fragment sink that a container from the context will be delivered
* after the call to WillBuildContent(). This is only relevent for HTML
* fragments that use nsHTMLTokenizer/CNavDTD.
*/
NS_IMETHOD IgnoreFirstContainer() = 0;
/**
* Sets whether scripts elements are marked as unexecutable.
*/
NS_IMETHOD SetPreventScriptExecution(bool aPreventScriptExecution) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIFragmentContentSink,
NS_I_FRAGMENT_CONTENT_SINK_IID)
/**
* This interface is implemented by paranoid content sinks, and allows consumers
* to add tags and attributes to the default white-list set.
*/
class nsIParanoidFragmentContentSink : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_I_PARANOID_FRAGMENT_CONTENT_SINK_IID)
/**
* Allow the content sink to accept style elements and attributes.
*/
virtual void AllowStyles() = 0;
/**
* Allow the content sink to accept comments.
*/
virtual void AllowComments() = 0;
};
nsresult
NS_NewXMLFragmentContentSink(nsIFragmentContentSink** aInstancePtrResult);
#endif