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135 lines
4.2 KiB
C++
135 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#ifndef nsIContentSink_h___
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#define nsIContentSink_h___
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/**
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* MODULE NOTES:
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* @update gess 4/1/98
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*
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* This file declares the concrete IContentSink interface.
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* This pure virtual interface is used as the "glue" that connects the parsing
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* process to the content model construction process.
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*
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* The icontentsink interface is a very lightweight wrapper that represents the
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* content-sink model building process. There is another one that you may care
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* about more, which is the IHTMLContentSink interface. (See that file for details).
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*/
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#include "nsIParserNode.h"
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#include "nsISupports.h"
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#define NS_ICONTENT_SINK_IID \
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{ 0xa6cf9052, 0x15b3, 0x11d2,{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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class nsIContentSink : public nsISupports {
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public:
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/**
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* This method gets called when the parser begins the process
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* of building the content model via the content sink.
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*
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* @update 5/7/98 gess
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*/
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NS_IMETHOD WillBuildModel(void)=0;
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/**
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* This method gets called when the parser concludes the process
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* of building the content model via the content sink.
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*
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* @param aQualityLevel describes how well formed the doc was.
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* 0=GOOD; 1=FAIR; 2=POOR;
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* @update 5/7/98 gess
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*/
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NS_IMETHOD DidBuildModel(PRInt32 aQualityLevel)=0;
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/**
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* This method gets called when the parser gets i/o blocked,
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* and wants to notify the sink that it may be a while before
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* more data is available.
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*
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* @update 5/7/98 gess
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*/
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NS_IMETHOD WillInterrupt(void)=0;
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/**
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* This method gets called when the parser i/o gets unblocked,
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* and we're about to start dumping content again to the sink.
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*
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* @update 5/7/98 gess
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*/
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NS_IMETHOD WillResume(void)=0;
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/**
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* This method is used to open a generic container in the sink.
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*
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* @update 4/1/98 gess
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* @param nsIParserNode reference to parser node interface
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*/
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NS_IMETHOD OpenContainer(const nsIParserNode& aNode) = 0;
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/**
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* This method gets called by the parser when a close
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* container tag has been consumed and needs to be closed.
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*
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* @update 4/1/98 gess
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* @param nsIParserNode reference to parser node interface
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*/
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NS_IMETHOD CloseContainer(const nsIParserNode& aNode) = 0;
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/**
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* This gets called by the parser when you want to add
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* a leaf node to the current container in the content
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* model.
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*
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* @update 4/1/98 gess
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* @param nsIParserNode reference to parser node interface
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*/
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NS_IMETHOD AddLeaf(const nsIParserNode& aNode) = 0;
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/**
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* This gets called by the parser when you want to add
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* a leaf node to the current container in the content
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* model.
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*
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* @update 4/1/98 gess
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* @param nsIParserNode reference to parser node interface
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*/
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NS_IMETHOD AddComment(const nsIParserNode& aNode) = 0;
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/**
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* This gets called by the parser when you want to add
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* a leaf node to the current container in the content
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* model.
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*
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* @update 4/1/98 gess
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* @param nsIParserNode reference to parser node interface
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*/
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NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode) = 0;
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/**
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* This gets called by the parser if it hits an unrecoverable
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* error (in XML, if the document is not well-formed or valid).
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*
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* @param aErrorResult the error code
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*/
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NS_IMETHOD NotifyError(nsresult aErrorResult)=0;
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};
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#endif /* nsIContentSink_h___ */
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