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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsIDTD_h___
#define nsIDTD_h___
/**
* MODULE NOTES:
* @update gess 7/20/98
*
* This interface defines standard interface for DTD's. Note that this
* isn't HTML specific. DTD's have several functions within the parser
* system:
* 1) To coordinate the consumption of an input stream via the
* parser
* 2) To serve as proxy to represent the containment rules of the
* underlying document
* 3) To offer autodetection services to the parser (mainly for doc
* conversion)
* */
#include "nsISupports.h"
#include "nsString.h"
#include "nsITokenizer.h"
#define NS_IDTD_IID \
{ 0x3de05873, 0xefa7, 0x410d, \
{ 0xa4, 0x61, 0x80, 0x33, 0xaf, 0xd9, 0xe3, 0x26 } }
enum eAutoDetectResult {
eUnknownDetect,
eValidDetect,
ePrimaryDetect,
eInvalidDetect
};
enum nsDTDMode {
eDTDMode_unknown = 0,
eDTDMode_quirks, //pre 4.0 versions
eDTDMode_almost_standards,
eDTDMode_full_standards,
eDTDMode_autodetect,
eDTDMode_fragment
};
class nsIContentSink;
class CParserContext;
class nsIDTD : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDTD_IID)
NS_IMETHOD WillBuildModel(const CParserContext& aParserContext,
nsITokenizer* aTokenizer,
nsIContentSink* aSink) = 0;
/**
* Called by the parser after the parsing process has concluded
* @update gess5/18/98
* @param anErrorCode - contains error code resulting from parse process
* @return
*/
NS_IMETHOD DidBuildModel(nsresult anErrorCode) = 0;
/**
* Called (possibly repeatedly) by the parser to parse tokens and construct
* the document model via the sink provided to WillBuildModel.
*
* @param aTokenizer - tokenizer providing the token stream to be parsed
* @param aCountLines - informs the DTD whether to count newlines
* (not wanted, e.g., when handling document.write)
* @param aCharsetPtr - address of an nsCString containing the charset
* that the DTD should use (pointer in case the DTD
* opts to ignore this parameter)
*/
NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, nsIContentSink* aSink) = 0;
/**
* This method is called to determine whether or not a tag of one
* type can contain a tag of another type.
*
* @update gess 3/25/98
* @param aParent -- int tag of parent container
* @param aChild -- int tag of child container
* @return true if parent can contain child
*/
NS_IMETHOD_(bool) CanContain(int32_t aParent,int32_t aChild) const = 0;
/**
* This method gets called to determine whether a given
* tag is itself a container
*
* @update gess 3/25/98
* @param aTag -- tag to test for containership
* @return true if given tag can contain other tags
*/
NS_IMETHOD_(bool) IsContainer(int32_t aTag) const = 0;
/**
* Use this id you want to stop the building content model
* --------------[ Sets DTD to STOP mode ]----------------
* It's recommended to use this method in accordance with
* the parser's terminate() method.
*
* @update harishd 07/22/99
* @param
* @return
*/
NS_IMETHOD_(void) Terminate() = 0;
NS_IMETHOD_(int32_t) GetType() = 0;
/**
* Call this method after calling WillBuildModel to determine what mode the
* DTD actually is using, as it may differ from aParserContext.mDTDMode.
*/
NS_IMETHOD_(nsDTDMode) GetMode() const = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIDTD, NS_IDTD_IID)
#define NS_DECL_NSIDTD \
NS_IMETHOD WillBuildModel( const CParserContext& aParserContext, nsITokenizer* aTokenizer, nsIContentSink* aSink) override;\
NS_IMETHOD DidBuildModel(nsresult anErrorCode) override;\
NS_IMETHOD BuildModel(nsITokenizer* aTokenizer, nsIContentSink* aSink) override;\
NS_IMETHOD_(bool) CanContain(int32_t aParent,int32_t aChild) const override;\
NS_IMETHOD_(bool) IsContainer(int32_t aTag) const override;\
NS_IMETHOD_(void) Terminate() override;\
NS_IMETHOD_(int32_t) GetType() override;\
NS_IMETHOD_(nsDTDMode) GetMode() const override;
#endif /* nsIDTD_h___ */
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