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108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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*
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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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*
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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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*
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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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/**
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* MODULE NOTES:
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* @update gess 4/1/98
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*
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*/
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#ifndef __NSITOKENIZER__
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#define __NSITOKENIZER__
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#include "nsISupports.h"
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#include "prtypes.h"
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class CToken;
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class nsScanner;
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class nsDeque;
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class nsTokenAllocator;
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#define NS_ITOKENIZER_IID \
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{0xe4238ddc, 0x9eb6, 0x11d2, {0xba, 0xa5, 0x0, 0x10, 0x4b, 0x98, 0x3f, 0xd4 }}
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/**
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* This interface is used as a callback to objects interested
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* in observing the token stream created from the parse process.
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*/
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class nsITokenObserver {
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public:
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virtual PRBool operator()(CToken* aToken)=0;
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};
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/***************************************************************
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Notes:
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***************************************************************/
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class nsITokenizer : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ITOKENIZER_IID)
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NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator)=0;
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NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens)=0;
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NS_IMETHOD DidTokenize(PRBool aIsFinalChunk)=0;
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NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken)=0;
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NS_IMETHOD_(CToken*) PushToken(CToken* aToken)=0;
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NS_IMETHOD_(CToken*) PopToken(void)=0;
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NS_IMETHOD_(CToken*) PeekToken(void)=0;
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NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex)=0;
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NS_IMETHOD_(PRInt32) GetCount(void)=0;
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NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void)=0;
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NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque)=0;
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};
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#define NS_DECL_NSITOKENIZER \
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NS_IMETHOD WillTokenize(PRBool aIsFinalChunk,nsTokenAllocator* aTokenAllocator);\
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NS_IMETHOD ConsumeToken(nsScanner& aScanner,PRBool& aFlushTokens);\
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NS_IMETHOD DidTokenize(PRBool aIsFinalChunk);\
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NS_IMETHOD_(CToken*) PushTokenFront(CToken* aToken);\
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NS_IMETHOD_(CToken*) PushToken(CToken* aToken);\
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NS_IMETHOD_(CToken*) PopToken(void);\
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NS_IMETHOD_(CToken*) PeekToken(void);\
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NS_IMETHOD_(CToken*) GetTokenAt(PRInt32 anIndex);\
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NS_IMETHOD_(PRInt32) GetCount(void);\
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NS_IMETHOD_(nsTokenAllocator*) GetTokenAllocator(void);\
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NS_IMETHOD_(void) PrependTokens(nsDeque& aDeque);
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#endif
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