зеркало из https://github.com/mozilla/gecko-dev.git
316 строки
9.1 KiB
C++
316 строки
9.1 KiB
C++
|
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
/**
|
|
* MODULE NOTES:
|
|
* @update gess 4/8/98
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifndef __NS_VIEWSOURCE_HTML_
|
|
#define __NS_VIEWSOURCE_HTML_
|
|
|
|
#include "nsIDTD.h"
|
|
#include "nsISupports.h"
|
|
#include "nsHTMLTokens.h"
|
|
#include "nshtmlpars.h"
|
|
#include "nsIHTMLContentSink.h"
|
|
#include "nsIXMLContentSink.h"
|
|
#include "nsDTDUtils.h"
|
|
#include "nsParserNode.h"
|
|
|
|
#define NS_VIEWSOURCE_HTML_IID \
|
|
{0xb6003010, 0x7932, 0x11d2, \
|
|
{0x80, 0x1b, 0x0, 0x60, 0x8, 0xbf, 0xc4, 0x89 }}
|
|
|
|
|
|
class nsIDTDDebug;
|
|
class nsIParserNode;
|
|
class nsParser;
|
|
class nsITokenizer;
|
|
class nsCParserNode;
|
|
|
|
class CViewSourceHTML: public nsIDTD {
|
|
|
|
public:
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
|
|
/**
|
|
*
|
|
*
|
|
* @update gess 4/9/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
CViewSourceHTML();
|
|
|
|
virtual const nsIID& GetMostDerivedIID(void) const;
|
|
|
|
/**
|
|
*
|
|
*
|
|
* @update gess 4/9/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual ~CViewSourceHTML();
|
|
|
|
|
|
/**
|
|
* Call this method if you want the DTD to construct a clone of itself.
|
|
* @update gess7/23/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual nsresult CreateNewInstance(nsIDTD** aInstancePtrResult);
|
|
|
|
|
|
/**
|
|
* This method is called to determine if the given DTD can parse
|
|
* a document in a given source-type.
|
|
* NOTE: Parsing always assumes that the end result will involve
|
|
* storing the result in the main content model.
|
|
* @update gess6/24/98
|
|
* @param
|
|
* @return TRUE if this DTD can satisfy the request; FALSE otherwise.
|
|
*/
|
|
virtual eAutoDetectResult CanParse(CParserContext& aParserContext,nsString& aBuffer, PRInt32 aVersion);
|
|
|
|
/**
|
|
* The parser uses a code sandwich to wrap the parsing process. Before
|
|
* the process begins, WillBuildModel() is called. Afterwards the parser
|
|
* calls DidBuildModel().
|
|
* @update rickg 03.20.2000
|
|
* @param aParserContext
|
|
* @param aSink
|
|
* @return error code (almost always 0)
|
|
*/
|
|
NS_IMETHOD WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink);
|
|
|
|
/**
|
|
* The parser uses a code sandwich to wrap the parsing process. Before
|
|
* the process begins, WillBuildModel() is called. Afterwards the parser
|
|
* calls DidBuildModel().
|
|
* @update gess5/18/98
|
|
* @param aFilename is the name of the file being parsed.
|
|
* @return error code (almost always 0)
|
|
*/
|
|
NS_IMETHOD BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver=0,nsIContentSink* aSink=0);
|
|
|
|
/**
|
|
* The parser uses a code sandwich to wrap the parsing process. Before
|
|
* the process begins, WillBuildModel() is called. Afterwards the parser
|
|
* calls DidBuildModel().
|
|
* @update gess5/18/98
|
|
* @param anErrorCode contans the last error that occured
|
|
* @return error code
|
|
*/
|
|
NS_IMETHOD DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink=0);
|
|
|
|
/**
|
|
*
|
|
* @update gess 3/25/98
|
|
* @param aToken -- token object to be put into content model
|
|
* @return 0 if all is well; non-zero is an error
|
|
*/
|
|
NS_IMETHOD HandleToken(CToken* aToken,nsIParser* aParser);
|
|
|
|
/**
|
|
*
|
|
* @update gess 12/20/99
|
|
* @param ptr-ref to (out) tokenizer
|
|
* @return nsresult
|
|
*/
|
|
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
|
|
|
|
|
|
/**
|
|
*
|
|
* @update gess12/28/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual nsTokenAllocator* GetTokenAllocator(void);
|
|
|
|
/**
|
|
*
|
|
* @update gess5/18/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
NS_IMETHOD WillResumeParse(void);
|
|
|
|
/**
|
|
*
|
|
* @update gess5/18/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
NS_IMETHOD WillInterruptParse(void);
|
|
|
|
|
|
/**
|
|
* Called by the parser to initiate dtd verification of the
|
|
* internal context stack.
|
|
* @update gess 7/23/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual PRBool Verify(nsString& aURLRef,nsIParser* aParser);
|
|
|
|
/**
|
|
* Set this to TRUE if you want the DTD to verify its
|
|
* context stack.
|
|
* @update gess 7/23/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual void SetVerification(PRBool aEnable);
|
|
|
|
/**
|
|
* 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 PR_TRUE if parent can contain child
|
|
*/
|
|
virtual PRBool CanContain(PRInt32 aParent,PRInt32 aChild) const;
|
|
|
|
/**
|
|
* 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
|
|
*/
|
|
virtual nsresult Terminate(nsIParser* aParser=nsnull);
|
|
|
|
/**
|
|
* Give rest of world access to our tag enums, so that CanContain(), etc,
|
|
* become useful.
|
|
*/
|
|
NS_IMETHOD StringTagToIntTag(nsString &aTag, PRInt32* aIntTag) const;
|
|
|
|
NS_IMETHOD IntTagToStringTag(PRInt32 aIntTag, nsString& aTag) const;
|
|
|
|
NS_IMETHOD ConvertEntityToUnicode(const nsString& aEntity, PRInt32* aUnicode) const;
|
|
|
|
virtual PRBool IsBlockElement(PRInt32 aTagID,PRInt32 aParentID) const;
|
|
virtual PRBool IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const;
|
|
|
|
/**
|
|
* 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 PR_TRUE if given tag can contain other tags
|
|
*/
|
|
virtual PRBool IsContainer(PRInt32 aTag) const;
|
|
|
|
|
|
static nsresult WriteText(const nsString& aTextString,nsIContentSink& aSink,PRBool aPreserveText,PRBool aPlainText);
|
|
|
|
|
|
private:
|
|
#ifdef VIEW_SOURCE_HTML
|
|
nsresult WriteTag(PRInt32 tagType,CToken* aTag,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
nsresult WriteTag(PRInt32 tagType,nsString &aText,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
nsresult WriteTagWithError(PRInt32 tagType,CToken* aToken,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
#else
|
|
nsresult WriteTag(nsString &anXMLName,CToken* aTag,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
nsresult WriteTag(nsString &anXMLName,nsString &aText,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
nsresult WriteTagWithError(nsString &theXMLTagName,CToken* aToken,PRInt32 attrCount,PRBool aNewlineRequired);
|
|
#endif
|
|
void AddContainmentError(eHTMLTags aChild,eHTMLTags aParent,PRInt32 aLineNumber);
|
|
|
|
nsresult WriteAttributes(PRInt32 attrCount);
|
|
nsresult GenerateSummary();
|
|
|
|
protected:
|
|
|
|
nsParser* mParser;
|
|
#ifdef VIEW_SOURCE_HTML
|
|
nsIHTMLContentSink* mSink;
|
|
#else
|
|
nsIXMLContentSink* mSink;
|
|
#endif
|
|
PRInt32 mLineNumber;
|
|
nsITokenizer* mTokenizer;
|
|
#ifdef VIEW_SOURCE_HTML
|
|
PRInt32 mStartTag;
|
|
PRInt32 mEndTag;
|
|
PRInt32 mCommentTag;
|
|
PRInt32 mCDATATag;
|
|
PRInt32 mDocTypeTag;
|
|
PRInt32 mPITag;
|
|
PRInt32 mEntityTag;
|
|
PRInt32 mText;
|
|
PRInt32 mKey;
|
|
PRInt32 mValue;
|
|
PRInt32 mPopupTag;
|
|
PRInt32 mSummaryTag;
|
|
#else
|
|
nsAutoString mStartTag;
|
|
nsAutoString mEndTag;
|
|
nsAutoString mCommentTag;
|
|
nsAutoString mCDATATag;
|
|
nsAutoString mDocTypeTag;
|
|
nsAutoString mPITag;
|
|
nsAutoString mEntityTag;
|
|
nsAutoString mText;
|
|
nsAutoString mKey;
|
|
nsAutoString mValue;
|
|
nsAutoString mPopupTag;
|
|
nsAutoString mSummaryTag;
|
|
#endif
|
|
|
|
nsDTDMode mDTDMode;
|
|
eParserCommands mParserCommand; //tells us to viewcontent/viewsource/viewerrors...
|
|
eParserDocType mDocType;
|
|
nsAutoString mMimeType;
|
|
PRInt32 mErrorCount;
|
|
PRInt32 mTagCount;
|
|
|
|
nsIDTD *mValidator;
|
|
nsString mTags;
|
|
nsString mErrors;
|
|
PRBool mShowErrors;
|
|
PRBool mHasOpenRoot;
|
|
};
|
|
|
|
extern NS_HTMLPARS nsresult NS_NewViewSourceHTML(nsIDTD** aInstancePtrResult);
|
|
|
|
#endif
|
|
|
|
|
|
|