b2460aaf2c
r= nisheeth OS/2 bring up continues - Add PR_CALLBACKs for VisualAge git-svn-id: svn://10.0.0.236/trunk@67944 18797224-902f-48f8-a5cc-f745e15eee43
295 lines
8.7 KiB
C++
295 lines
8.7 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):
|
|
* This Original Code has been modified by IBM Corporation. Modifications made by IBM
|
|
* described herein are Copyright (c) International Business Machines Corporation, 2000.
|
|
* Modifications to Mozilla code or documentation identified per MPL Section 3.3
|
|
*
|
|
* Date Modified by Description of modification
|
|
* 04/20/2000 IBM Corp. OS/2 VisualAge build.
|
|
*/
|
|
|
|
/**
|
|
* MODULE NOTES:
|
|
* @update gess 4/8/98
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifndef __NS_EXPAT_DTD
|
|
#define __NS_EXPAT_DTD
|
|
|
|
#include "nsIDTD.h"
|
|
#include "nsITokenizer.h"
|
|
#include "nsISupports.h"
|
|
#include "nsHTMLTokens.h"
|
|
#include "nshtmlpars.h"
|
|
#include "nsVoidArray.h"
|
|
#include "nsDeque.h"
|
|
#include "nsIContentSink.h"
|
|
#include "xmlparse.h"
|
|
|
|
|
|
#define NS_EXPAT_DTD_IID \
|
|
{0x5ad4b431, 0xcabb, 0x11d2, \
|
|
{0xab, 0xcb, 0x0, 0x10, 0x4b, 0x98, 0x3f, 0xd4}}
|
|
|
|
|
|
class nsIDTDDebug;
|
|
class nsIParserNode;
|
|
class nsParser;
|
|
|
|
|
|
|
|
class nsExpatDTD : public nsIDTD {
|
|
|
|
public:
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
|
|
/**
|
|
*
|
|
*
|
|
* @update gess 4/9/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
nsExpatDTD();
|
|
|
|
/**
|
|
*
|
|
*
|
|
* @update gess 4/9/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
virtual ~nsExpatDTD();
|
|
|
|
virtual const nsIID& GetMostDerivedIID(void) const;
|
|
|
|
/**
|
|
* 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 gess12/28/98
|
|
* @param
|
|
* @return
|
|
*/
|
|
NS_IMETHOD GetTokenizer(nsITokenizer*& aTokenizer);
|
|
|
|
/**
|
|
*
|
|
* @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;
|
|
|
|
/**
|
|
* 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;
|
|
|
|
/**
|
|
* 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(void);
|
|
|
|
/**
|
|
* 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;
|
|
|
|
/**
|
|
* Retrieve a ptr to the global token recycler...
|
|
* @update gess8/4/98
|
|
* @return ptr to recycler (or null)
|
|
*/
|
|
virtual nsITokenRecycler* GetTokenRecycler(void);
|
|
|
|
/**
|
|
* Parse an XML buffer using expat
|
|
* @update nra 2/29/99
|
|
* @return NS_ERROR_FAILURE if expat encounters an error, else NS_OK
|
|
*/
|
|
nsresult ParseXMLBuffer(const char *buffer);
|
|
|
|
protected:
|
|
/**
|
|
* Sets up the callbacks for the expat parser
|
|
* @update nra 2/24/99
|
|
* @param none
|
|
* @return none
|
|
*/
|
|
void SetupExpatCallbacks(void);
|
|
|
|
/* The callback handlers that get called from the expat parser */
|
|
static void PR_CALLBACK HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
|
|
static void PR_CALLBACK HandleEndElement(void *userData, const XML_Char *name);
|
|
static void PR_CALLBACK HandleCharacterData(void *userData, const XML_Char *s, int len);
|
|
static void PR_CALLBACK HandleProcessingInstruction(void *userData,
|
|
const XML_Char *target,
|
|
const XML_Char *data);
|
|
static void PR_CALLBACK HandleDefault(void *userData, const XML_Char *s, int len);
|
|
static void PR_CALLBACK HandleUnparsedEntityDecl(void *userData,
|
|
const XML_Char *entityName,
|
|
const XML_Char *base,
|
|
const XML_Char *systemId,
|
|
const XML_Char *publicId,
|
|
const XML_Char *notationName);
|
|
static void PR_CALLBACK HandleNotationDecl(void *userData,
|
|
const XML_Char *notationName,
|
|
const XML_Char *base,
|
|
const XML_Char *systemId,
|
|
const XML_Char *publicId);
|
|
static void PR_CALLBACK HandleExternalEntityRef(XML_Parser parser,
|
|
const XML_Char *openEntityNames,
|
|
const XML_Char *base,
|
|
const XML_Char *systemId,
|
|
const XML_Char *publicId);
|
|
static void PR_CALLBACK HandleUnknownEncoding(void *encodingHandlerData,
|
|
const XML_Char *name,
|
|
XML_Encoding *info);
|
|
|
|
XML_Parser mExpatParser;
|
|
nsParser* mParser;
|
|
nsIContentSink* mSink;
|
|
nsString mFilename;
|
|
PRInt32 mLineNumber;
|
|
nsITokenizer* mTokenizer;
|
|
};
|
|
|
|
extern NS_HTMLPARS nsresult NS_New_Expat_DTD(nsIDTD** aInstancePtrResult);
|
|
|
|
|
|
#endif
|