1998-04-14 00:24:54 +04:00
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2001-09-26 04:40:45 +04:00
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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1998-04-14 00:24:54 +04:00
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*
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2001-09-26 04:40:45 +04:00
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (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" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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1998-04-14 00:24:54 +04:00
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*
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1999-11-06 06:43:54 +03:00
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* The Original Code is mozilla.org code.
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*
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2001-09-26 04:40:45 +04:00
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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1999-11-06 06:43:54 +03:00
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*
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2001-09-26 04:40:45 +04:00
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* Contributor(s):
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2000-01-11 23:49:15 +03:00
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* Pierre Phaneuf <pp@ludusdesign.com>
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2001-09-26 04:40:45 +04:00
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*
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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1998-04-14 00:24:54 +04:00
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#include "nsIRobotSink.h"
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#include "nsIRobotSinkObserver.h"
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#include "nsIParserNode.h"
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1999-01-09 04:19:49 +03:00
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#include "nsIParser.h"
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1998-04-14 00:24:54 +04:00
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#include "nsString.h"
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2001-09-29 12:28:41 +04:00
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#include "nsReadableUtils.h"
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2001-12-17 10:14:49 +03:00
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#include "nsUnicharUtils.h"
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1998-04-14 00:24:54 +04:00
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#include "nsIURL.h"
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1999-06-23 07:29:44 +04:00
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#include "nsIURL.h"
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1999-06-18 21:34:08 +04:00
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#include "nsIServiceManager.h"
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#include "nsIIOService.h"
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2001-04-10 10:01:08 +04:00
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#include "nsNetCID.h"
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1998-04-14 00:24:54 +04:00
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#include "nsCRT.h"
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#include "nsVoidArray.h"
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class nsIDocument;
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// TODO
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// - add in base tag support
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// - get links from other sources:
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// - LINK tag
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// - STYLE SRC
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// - IMG SRC
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// - LAYER SRC
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2001-04-10 10:01:08 +04:00
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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1998-04-14 00:24:54 +04:00
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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1998-07-16 02:30:39 +04:00
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static NS_DEFINE_IID(kIHTMLContentSinkIID, NS_IHTML_CONTENT_SINK_IID);
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1998-04-14 00:24:54 +04:00
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static NS_DEFINE_IID(kIRobotSinkIID, NS_IROBOTSINK_IID);
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class RobotSink : public nsIRobotSink {
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public:
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RobotSink();
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1999-05-13 06:11:09 +04:00
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virtual ~RobotSink();
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1998-04-14 00:24:54 +04:00
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1999-02-26 22:57:18 +03:00
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NS_DECL_AND_IMPL_ZEROING_OPERATOR_NEW
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1998-04-14 00:24:54 +04:00
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIHTMLContentSink
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD SetTitle(const nsString& aValue);
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NS_IMETHOD OpenHTML(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseHTML();
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenHead(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseHead();
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenBody(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseBody();
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenForm(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseForm();
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenMap(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseMap();
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenFrameset(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseFrameset();
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2003-01-16 23:24:03 +03:00
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NS_IMETHOD IsEnabled(PRInt32 aTag, PRBool* aReturn) { return NS_OK; }
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2002-04-12 03:50:44 +04:00
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NS_IMETHOD_(PRBool) IsFormOnStack() { return PR_FALSE; }
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD OpenContainer(const nsIParserNode& aNode);
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2002-11-19 21:29:35 +03:00
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NS_IMETHOD CloseContainer(const nsHTMLTag aTag);
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD CloseTopmostContainer();
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2003-01-04 02:17:22 +03:00
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NS_IMETHOD AddHeadContent(const nsIParserNode& aNode);
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD AddLeaf(const nsIParserNode& aNode);
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1998-11-10 07:20:40 +03:00
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NS_IMETHOD AddComment(const nsIParserNode& aNode);
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NS_IMETHOD AddProcessingInstruction(const nsIParserNode& aNode);
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2002-06-26 01:16:17 +04:00
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NS_IMETHOD AddDocTypeDecl(const nsIParserNode& aNode);
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD WillBuildModel(void) { return NS_OK; }
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2003-07-22 22:38:08 +04:00
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NS_IMETHOD DidBuildModel(void) { return NS_OK; }
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1998-07-16 02:30:39 +04:00
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NS_IMETHOD WillInterrupt(void) { return NS_OK; }
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NS_IMETHOD WillResume(void) { return NS_OK; }
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1998-12-11 20:02:37 +03:00
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NS_IMETHOD SetParser(nsIParser* aParser) { return NS_OK; }
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2000-01-24 09:43:15 +03:00
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NS_IMETHOD FlushPendingNotifications() { return NS_OK; }
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2003-06-17 20:40:34 +04:00
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NS_IMETHOD SetDocumentCharset(nsACString& aCharset) { return NS_OK; }
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2001-06-21 06:06:23 +04:00
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NS_IMETHOD WillProcessTokens(void) { return NS_OK; }
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NS_IMETHOD DidProcessTokens(void) { return NS_OK; }
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NS_IMETHOD WillProcessAToken(void) { return NS_OK; }
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NS_IMETHOD DidProcessAToken(void) { return NS_OK; }
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2001-09-29 03:08:17 +04:00
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NS_IMETHOD NotifyTagObservers(nsIParserNode* aNode) { return NS_OK; }
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1998-04-14 00:24:54 +04:00
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1999-04-16 00:16:24 +04:00
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NS_IMETHOD BeginContext(PRInt32 aPosition){ return NS_OK; }
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NS_IMETHOD EndContext(PRInt32 aPosition){ return NS_OK; }
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1999-03-15 08:08:36 +03:00
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1998-04-14 00:24:54 +04:00
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// nsIRobotSink
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1999-06-23 07:29:44 +04:00
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NS_IMETHOD Init(nsIURI* aDocumentURL);
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1998-04-14 00:24:54 +04:00
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NS_IMETHOD AddObserver(nsIRobotSinkObserver* aObserver);
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NS_IMETHOD RemoveObserver(nsIRobotSinkObserver* aObserver);
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void ProcessLink(const nsString& aLink);
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protected:
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1999-06-23 07:29:44 +04:00
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nsIURI* mDocumentURL;
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1998-04-14 00:24:54 +04:00
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nsVoidArray mObservers;
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};
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nsresult NS_NewRobotSink(nsIRobotSink** aInstancePtrResult)
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{
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RobotSink* it = new RobotSink();
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1999-07-17 15:08:28 +04:00
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if(it)
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return it->QueryInterface(kIRobotSinkIID, (void**) aInstancePtrResult);
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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RobotSink::RobotSink()
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{
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}
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RobotSink::~RobotSink()
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{
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NS_IF_RELEASE(mDocumentURL);
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PRInt32 i, n = mObservers.Count();
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2002-09-04 02:23:22 +04:00
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for (i = 0; i < n; ++i) {
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1998-04-14 00:24:54 +04:00
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nsIRobotSinkObserver* cop = (nsIRobotSinkObserver*)mObservers.ElementAt(i);
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NS_RELEASE(cop);
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}
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}
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2003-09-08 02:24:21 +04:00
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NS_IMPL_ADDREF(RobotSink)
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1998-04-14 00:24:54 +04:00
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2003-09-08 02:24:21 +04:00
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NS_IMPL_RELEASE(RobotSink)
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1998-04-14 00:24:54 +04:00
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NS_IMETHODIMP RobotSink::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIRobotSinkIID)) {
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*aInstancePtr = (void*) this;
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AddRef();
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return NS_OK;
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}
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if (aIID.Equals(kIHTMLContentSinkIID)) {
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*aInstancePtr = (void*) this;
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AddRef();
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return NS_OK;
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}
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if (aIID.Equals(kISupportsIID)) {
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*aInstancePtr = (void*) ((nsISupports*)this);
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AddRef();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::SetTitle(const nsString& aValue)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::OpenHTML(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseHTML()
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::OpenHead(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseHead()
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::OpenBody(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseBody()
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::OpenForm(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseForm()
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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1998-07-16 02:30:39 +04:00
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NS_IMETHODIMP RobotSink::OpenMap(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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1998-07-16 02:30:39 +04:00
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return NS_OK;
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1998-04-14 00:24:54 +04:00
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseMap()
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1998-07-16 02:30:39 +04:00
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{
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return NS_OK;
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}
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NS_IMETHODIMP RobotSink::OpenFrameset(const nsIParserNode& aNode)
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{
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return NS_OK;
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}
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2002-11-19 21:29:35 +03:00
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NS_IMETHODIMP RobotSink::CloseFrameset()
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1998-07-16 02:30:39 +04:00
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{
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return NS_OK;
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}
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NS_IMETHODIMP RobotSink::OpenContainer(const nsIParserNode& aNode)
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1998-04-14 00:24:54 +04:00
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{
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2000-04-26 05:13:55 +04:00
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nsAutoString tmp; tmp.Assign(aNode.GetText());
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2001-12-17 10:14:49 +03:00
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ToLowerCase(tmp);
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2001-12-16 14:58:03 +03:00
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if (tmp.Equals(NS_LITERAL_STRING("a"))) {
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1998-04-14 00:24:54 +04:00
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nsAutoString k, v;
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PRInt32 ac = aNode.GetAttributeCount();
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2002-09-04 02:23:22 +04:00
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for (PRInt32 i = 0; i < ac; ++i) {
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1998-04-14 00:24:54 +04:00
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// Get upper-cased key
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2002-03-24 03:16:18 +03:00
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const nsAString& key = aNode.GetKeyAt(i);
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2000-12-13 00:58:14 +03:00
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k.Assign(key);
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2001-12-17 10:14:49 +03:00
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ToLowerCase(k);
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2001-12-16 14:58:03 +03:00
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if (k.Equals(NS_LITERAL_STRING("href"))) {
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1998-04-14 00:24:54 +04:00
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// Get value and remove mandatory quotes
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v.Truncate();
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v.Append(aNode.GetValueAt(i));
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PRUnichar first = v.First();
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if ((first == '"') || (first == '\'')) {
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if (v.Last() == first) {
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v.Cut(0, 1);
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PRInt32 pos = v.Length() - 1;
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if (pos >= 0) {
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v.Cut(pos, 1);
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}
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|
} else {
|
|
|
|
// Mismatched quotes - leave them in
|
|
|
|
}
|
|
|
|
}
|
|
|
|
ProcessLink(v);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
1998-07-16 02:30:39 +04:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
2002-11-19 21:29:35 +03:00
|
|
|
NS_IMETHODIMP RobotSink::CloseContainer(const nsHTMLTag aTag)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1998-07-16 02:30:39 +04:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1998-07-16 02:30:39 +04:00
|
|
|
NS_IMETHODIMP RobotSink::CloseTopmostContainer()
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1998-07-16 02:30:39 +04:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
2003-01-04 02:17:22 +03:00
|
|
|
NS_IMETHODIMP RobotSink::AddHeadContent(const nsIParserNode& aNode)
|
|
|
|
{
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1998-07-16 02:30:39 +04:00
|
|
|
NS_IMETHODIMP RobotSink::AddLeaf(const nsIParserNode& aNode)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
1998-07-16 02:30:39 +04:00
|
|
|
return NS_OK;
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
|
1998-11-10 07:20:40 +03:00
|
|
|
/**
|
|
|
|
* This gets called by the parsing system when we find a comment
|
|
|
|
* @update gess11/9/98
|
|
|
|
* @param aNode contains a comment token
|
|
|
|
* @return error code
|
|
|
|
*/
|
|
|
|
NS_IMETHODIMP RobotSink::AddComment(const nsIParserNode& aNode) {
|
|
|
|
nsresult result= NS_OK;
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* This gets called by the parsing system when we find a PI
|
|
|
|
* @update gess11/9/98
|
|
|
|
* @param aNode contains a comment token
|
|
|
|
* @return error code
|
|
|
|
*/
|
|
|
|
NS_IMETHODIMP RobotSink::AddProcessingInstruction(const nsIParserNode& aNode) {
|
|
|
|
nsresult result= NS_OK;
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
|
1999-07-26 09:40:25 +04:00
|
|
|
/**
|
|
|
|
* This gets called by the parser when it encounters
|
|
|
|
* a DOCTYPE declaration in the HTML document.
|
|
|
|
*/
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
2002-06-26 01:16:17 +04:00
|
|
|
RobotSink::AddDocTypeDecl(const nsIParserNode& aNode)
|
1999-07-26 09:40:25 +04:00
|
|
|
{
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
1999-06-23 07:29:44 +04:00
|
|
|
NS_IMETHODIMP RobotSink::Init(nsIURI* aDocumentURL)
|
1998-04-14 00:24:54 +04:00
|
|
|
{
|
|
|
|
NS_IF_RELEASE(mDocumentURL);
|
|
|
|
mDocumentURL = aDocumentURL;
|
|
|
|
NS_IF_ADDREF(aDocumentURL);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP RobotSink::AddObserver(nsIRobotSinkObserver* aObserver)
|
|
|
|
{
|
|
|
|
if (mObservers.AppendElement(aObserver)) {
|
|
|
|
NS_ADDREF(aObserver);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP RobotSink::RemoveObserver(nsIRobotSinkObserver* aObserver)
|
|
|
|
{
|
|
|
|
if (mObservers.RemoveElement(aObserver)) {
|
|
|
|
NS_RELEASE(aObserver);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
//XXX return NS_ERROR_NOT_FOUND;
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void RobotSink::ProcessLink(const nsString& aLink)
|
|
|
|
{
|
2000-04-26 05:13:55 +04:00
|
|
|
nsAutoString absURLSpec; absURLSpec.Assign(aLink);
|
1998-04-14 00:24:54 +04:00
|
|
|
|
|
|
|
// Make link absolute
|
|
|
|
// XXX base tag handling
|
1999-06-23 07:29:44 +04:00
|
|
|
nsIURI* docURL = mDocumentURL;
|
1998-04-14 00:24:54 +04:00
|
|
|
if (nsnull != docURL) {
|
1999-06-23 07:29:44 +04:00
|
|
|
nsIURI* absurl;
|
1999-06-18 21:34:08 +04:00
|
|
|
nsresult rv;
|
2001-07-25 11:54:28 +04:00
|
|
|
nsCOMPtr<nsIIOService> service(do_GetService(kIOServiceCID, &rv));
|
1999-06-18 21:34:08 +04:00
|
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
|
|
|
|
nsIURI *uri = nsnull, *baseUri = nsnull;
|
|
|
|
|
2000-01-11 23:49:15 +03:00
|
|
|
rv = mDocumentURL->QueryInterface(NS_GET_IID(nsIURI), (void**)&baseUri);
|
1999-06-18 21:34:08 +04:00
|
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
|
2002-03-06 10:48:55 +03:00
|
|
|
NS_ConvertUCS2toUTF8 uriStr(aLink);
|
|
|
|
rv = service->NewURI(uriStr, nsnull, baseUri, &uri);
|
1999-06-18 21:34:08 +04:00
|
|
|
NS_RELEASE(baseUri);
|
|
|
|
if (NS_FAILED(rv)) return;
|
|
|
|
|
2000-01-11 23:49:15 +03:00
|
|
|
rv = uri->QueryInterface(NS_GET_IID(nsIURI), (void**)&absurl);
|
1999-06-18 21:34:08 +04:00
|
|
|
NS_RELEASE(uri);
|
|
|
|
|
1998-04-14 00:24:54 +04:00
|
|
|
if (NS_OK == rv) {
|
|
|
|
absURLSpec.Truncate();
|
2002-03-06 10:48:55 +03:00
|
|
|
nsCAutoString str;
|
|
|
|
absurl->GetSpec(str);
|
|
|
|
absURLSpec = NS_ConvertUTF8toUCS2(str);
|
1998-04-14 00:24:54 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Now give link to robot observers
|
|
|
|
PRInt32 i, n = mObservers.Count();
|
2002-09-04 02:23:22 +04:00
|
|
|
for (i = 0; i < n; ++i) {
|
1998-04-14 00:24:54 +04:00
|
|
|
nsIRobotSinkObserver* cop = (nsIRobotSinkObserver*)mObservers.ElementAt(i);
|
|
|
|
cop->ProcessLink(absURLSpec);
|
|
|
|
}
|
|
|
|
}
|
1998-05-28 04:21:34 +04:00
|
|
|
|
1999-03-15 08:08:36 +03:00
|
|
|
|