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139 lines
4.5 KiB
C++
139 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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 "nsITokenizer.h"
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#define NS_IDTD_IID \
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{ 0x3de05873, 0xefa7, 0x410d, \
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{ 0xa4, 0x61, 0x80, 0x33, 0xaf, 0xd9, 0xe3, 0x26 } }
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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 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) = 0;
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/**
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* Called (possibly repeatedly) by the parser to parse tokens and construct
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* the document model via the sink provided to WillBuildModel.
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*
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* @param aTokenizer - tokenizer providing the token stream to be parsed
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* @param aCountLines - informs the DTD whether to count newlines
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* (not wanted, e.g., when handling document.write)
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* @param aCharsetPtr - address of an nsCString containing the charset
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* that the DTD should use (pointer in case the DTD
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* opts to ignore this parameter)
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*/
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NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, 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 true if parent can contain child
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*/
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NS_IMETHOD_(bool) CanContain(int32_t aParent,int32_t 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 true if given tag can contain other tags
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*/
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NS_IMETHOD_(bool) IsContainer(int32_t 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_(int32_t) GetType() = 0;
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/**
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* Call this method after calling WillBuildModel to determine what mode the
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* DTD actually is using, as it may differ from aParserContext.mDTDMode.
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*/
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NS_IMETHOD_(nsDTDMode) GetMode() const = 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);\
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NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, nsIContentSink* aSink);\
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NS_IMETHOD_(bool) CanContain(int32_t aParent,int32_t aChild) const;\
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NS_IMETHOD_(bool) IsContainer(int32_t aTag) const;\
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NS_IMETHOD_(void) Terminate();\
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NS_IMETHOD_(int32_t) GetType();\
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NS_IMETHOD_(nsDTDMode) GetMode() const;
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#endif /* nsIDTD_h___ */
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