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197 lines
6.8 KiB
C++
197 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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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*
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* The Original Code is mozilla.org code.
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*
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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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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIDTD_h___
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#define nsIDTD_h___
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/**
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* MODULE NOTES:
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* @update gess 7/20/98
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*
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* This interface defines standard interface for DTD's. Note that this
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* isn't HTML specific. DTD's have several functions within the parser
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* system:
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* 1) To coordinate the consumption of an input stream via the
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* parser
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* 2) To serve as proxy to represent the containment rules of the
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* underlying document
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* 3) To offer autodetection services to the parser (mainly for doc
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* conversion)
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* */
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#include "nsISupports.h"
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#include "nsStringGlue.h"
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#include "prtypes.h"
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#include "nsITokenizer.h"
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#define NS_IDTD_IID \
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{ 0xcc374204, 0xcea2, 0x41a2, \
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{ 0xb2, 0x7f, 0x83, 0x75, 0xe2, 0xcf, 0x97, 0xcf } }
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enum eAutoDetectResult {
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eUnknownDetect,
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eValidDetect,
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ePrimaryDetect,
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eInvalidDetect
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};
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enum nsDTDMode {
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eDTDMode_unknown = 0,
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eDTDMode_quirks, //pre 4.0 versions
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eDTDMode_almost_standards,
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eDTDMode_full_standards,
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eDTDMode_autodetect,
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eDTDMode_fragment
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};
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class nsIParser;
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class CToken;
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class nsIURI;
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class nsIContentSink;
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class CParserContext;
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class nsIDTD : public nsISupports
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{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDTD_IID)
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NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
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nsITokenizer* aTokenizer,
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nsIContentSink* aSink) = 0;
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/**
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* Called by the parser after the parsing process has concluded
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* @update gess5/18/98
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* @param anErrorCode - contains error code resulting from parse process
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* @return
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*/
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NS_IMETHOD DidBuildModel(nsresult anErrorCode, PRBool aNotifySink,
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nsIParser* aParser,
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nsIContentSink* aSink) = 0;
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/**
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* Called by the parser after the parsing process has concluded
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* @update gess5/18/98
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* @param anErrorCode - contains error code resulting from parse process
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* @return
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*/
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NS_IMETHOD BuildModel(nsIParser* aParser, nsITokenizer* aTokenizer,
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nsITokenObserver* anObserver,
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nsIContentSink* aSink) = 0;
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/**
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* Called during model building phase of parse process. Each token
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* created during the parse phase is stored in a deque (in the
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* parser) and are passed to this method so that the DTD can
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* process the token. Ultimately, the DTD will transform given
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* token into calls onto a contentsink.
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* @update gess 3/25/98
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* @param aToken -- token object to be put into content model
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* @return error code (usually 0)
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*/
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NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser) = 0;
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/**
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* If the parse process gets interrupted midway, this method is
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* called by the parser prior to resuming the process.
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* @update gess5/18/98
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* @return ignored
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*/
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NS_IMETHOD WillResumeParse(nsIContentSink* aSink) = 0;
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/**
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* If the parse process gets interrupted, this method is called by
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* the parser to notify the DTD that interruption will occur.
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* @update gess5/18/98
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* @return ignored
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*/
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NS_IMETHOD WillInterruptParse(nsIContentSink* aSink) = 0;
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/**
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* This method is called to determine whether or not a tag of one
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* type can contain a tag of another type.
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*
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* @update gess 3/25/98
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* @param aParent -- int tag of parent container
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* @param aChild -- int tag of child container
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* @return PR_TRUE if parent can contain child
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*/
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NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const = 0;
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/**
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* This method gets called to determine whether a given
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* tag is itself a container
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*
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* @update gess 3/25/98
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* @param aTag -- tag to test for containership
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* @return PR_TRUE if given tag can contain other tags
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*/
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NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const = 0;
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/**
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* Use this id you want to stop the building content model
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* --------------[ Sets DTD to STOP mode ]----------------
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* It's recommended to use this method in accordance with
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* the parser's terminate() method.
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*
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* @update harishd 07/22/99
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* @param
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* @return
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*/
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NS_IMETHOD_(void) Terminate() = 0;
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NS_IMETHOD_(PRInt32) GetType() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIDTD, NS_IDTD_IID)
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#define NS_DECL_NSIDTD \
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NS_IMETHOD WillBuildModel( const CParserContext& aParserContext, nsITokenizer* aTokenizer, nsIContentSink* aSink);\
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NS_IMETHOD DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink);\
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NS_IMETHOD BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink);\
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NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);\
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NS_IMETHOD WillResumeParse(nsIContentSink* aSink = 0);\
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NS_IMETHOD WillInterruptParse(nsIContentSink* aSink = 0);\
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NS_IMETHOD_(PRBool) CanContain(PRInt32 aParent,PRInt32 aChild) const;\
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NS_IMETHOD_(PRBool) IsContainer(PRInt32 aTag) const;\
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NS_IMETHOD_(void) Terminate();\
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NS_IMETHOD_(PRInt32) GetType();
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#endif /* nsIDTD_h___ */
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