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Bug 84002, remove unused code (expat DTD etc.). r=rbs@maths.uq.edu.au, sr=jst.

This commit is contained in:
heikki%netscape.com 2001-06-27 23:10:09 +00:00
Родитель 2aad152eeb
Коммит 6e062f0563
16 изменённых файлов: 0 добавлений и 1902 удалений
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htmlparser/macbuild/htmlparser.mcp
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1
htmlparser/src/MANIFEST
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@ -21,7 +21,6 @@ nsParserCIID.h
nsHTMLEntities.h
nsHTMLEntityList.h
nsWellFormedDTD.h
nsExpatDTD.h
nsIExpatTokenizer.h
nsParserError.h
nsIElementObserver.h

2
htmlparser/src/Makefile.in
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@ -77,7 +77,6 @@ CPPSRCS = \
nsValidDTD.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp \
nsExpatDTD.cpp \
$(NULL)
#
@ -114,7 +113,6 @@ EXPORTS = \
nsWellFormedDTD.h \
nsValidDTD.h \
nsParserCIID.h \
nsExpatDTD.h \
nsParserError.h \
nsIElementObserver.h \
nsIParserService.h \

3
htmlparser/src/makefile.win
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@ -53,7 +53,6 @@ CPPSRCS= \
nsValidDTD.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp \
nsExpatDTD.cpp \
nsParserModule.cpp \
$(NULL)
@ -80,7 +79,6 @@ CPP_OBJS= \
.\$(OBJDIR)\nsValidDTD.obj \
.\$(OBJDIR)\nsWellFormedDTD.obj \
.\$(OBJDIR)\nsViewSourceHTML.obj \
.\$(OBJDIR)\nsExpatDTD.obj \
.\$(OBJDIR)\nsParserModule.obj \
$(NULL)
@ -108,7 +106,6 @@ EXPORTS= \
nsValidDTD.h \
COtherDTD.h \
nsIDTD.h \
nsExpatDTD.h \
nsParserCIID.h \
nsParserError.h \
nsIElementObserver.h \

601
htmlparser/src/nsExpatDTD.cpp
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@ -1,601 +0,0 @@
/* -*- 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
*
*
*/
#include "nsIDTDDebug.h"
#include "nsExpatDTD.h"
#include "nsCRT.h"
#include "nsParser.h"
#include "nsScanner.h"
#include "nsIParser.h"
#include "nsTokenHandler.h"
#include "nsDTDUtils.h"
#include "nsIContentSink.h"
#include "nsIHTMLContentSink.h"
#include "nsExpatTokenizer.h"
#include "nsHTMLEntities.h"
#include "prenv.h" //this is here for debug reasons...
#include "prtypes.h" //this is here for debug reasons...
#include "prio.h"
#include "plstr.h"
#include "prlog.h"
#include "prmem.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
static NS_DEFINE_IID(kClassIID, NS_EXPAT_DTD_IID);
/**
* This method gets called as part of our COM-like interfaces.
* Its purpose is to create an interface to parser object
* of some type.
*
* @update gess 4/8/98
* @param nsIID id of object to discover
* @param aInstancePtr ptr to newly discovered interface
* @return NS_xxx result code
*/
nsresult nsExpatDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kClassIID)) { //do this class...
*aInstancePtr = (nsExpatDTD*)(this);
}
else {
*aInstancePtr=0;
return NS_NOINTERFACE;
}
NS_ADDREF_THIS();
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
NS_HTMLPARS nsresult NS_New_Expat_DTD(nsIDTD** aInstancePtrResult) {
nsExpatDTD* it = new nsExpatDTD();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(nsExpatDTD)
NS_IMPL_RELEASE(nsExpatDTD)
/**
* Default constructor
*
* @update gess 4/9/98
* @param
* @return
*/
nsExpatDTD::nsExpatDTD() {
NS_INIT_REFCNT();
mExpatParser=0;
mParser=0;
mSink=0;
mLineNumber=0;
mTokenizer=0;
}
/**
* Default destructor
*
* @update gess 4/9/98
* @param
* @return
*/
nsExpatDTD::~nsExpatDTD(){
mParser=0; //just to prove we destructed...
NS_IF_RELEASE(mTokenizer);
if (mExpatParser)
XML_ParserFree(mExpatParser);
}
/**
*
* @update gess1/8/99
* @param
* @return
*/
const nsIID& nsExpatDTD::GetMostDerivedIID(void) const{
return kClassIID;
}
/**
* Call this method if you want the DTD to construct a fresh
* instance of itself.
* @update gess7/23/98
* @param
* @return
*/
nsresult nsExpatDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
return NS_New_Expat_DTD(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.
*/
eAutoDetectResult nsExpatDTD::CanParse(CParserContext& aParserContext,nsString& aBuffer, PRInt32 aVersion){
eAutoDetectResult result=eUnknownDetect;
if(eViewSource!=aParserContext.mParserCommand) {
if(aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
if(0==aParserContext.mMimeType.Length()) {
aParserContext.SetMimeType( NS_ConvertASCIItoUCS2(kXMLTextContentType) );
}
result=eValidDetect;
}
}
}
return result;
}
/**
* 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)
*/
nsresult nsExpatDTD::WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink){
nsresult result=NS_OK;
mFilename=aParserContext.mScanner->GetFilename();
mSink=aSink;
if((!aParserContext.mPrevContext) && (mSink)) {
mLineNumber=0;
result = mSink->WillBuildModel();
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess 1/4/99
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHODIMP nsExpatDTD::BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink) {
nsresult result=NS_OK;
if(aTokenizer) {
nsITokenizer* oldTokenizer=mTokenizer;
mTokenizer=aTokenizer;
nsTokenAllocator* theAllocator=aTokenizer->GetTokenAllocator();
while(NS_OK==result){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
result=HandleToken(theToken,aParser);
if(NS_SUCCEEDED(result)) {
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else if(NS_ERROR_HTMLPARSER_BLOCK!=result){
mTokenizer->PushTokenFront(theToken);
}
// theRootDTD->Verify(kEmptyString,aParser);
}
else break;
}//while
mTokenizer=oldTokenizer;
}
else result=NS_ERROR_HTMLPARSER_BADTOKENIZER;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink){
nsresult result= NS_OK;
//ADD CODE HERE TO CLOSE OPEN CONTAINERS...
if(aParser){
mSink=aParser->GetContentSink();
if((aNotifySink) && (mSink)) {
result = mSink->DidBuildModel(1);
}
}
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* nsExpatDTD::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 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
*/
nsresult nsExpatDTD::Terminate(nsIParser* aParser)
{
return NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* Sets up the callbacks for the expat parser
* @update nra 2/24/99
* @param none
* @return none
*/
void nsExpatDTD::SetupExpatCallbacks(void) {
if (mExpatParser) {
XML_SetElementHandler(mExpatParser, DTD_HandleStartElement, DTD_HandleEndElement);
XML_SetCharacterDataHandler(mExpatParser, DTD_HandleCharacterData);
XML_SetProcessingInstructionHandler(mExpatParser, DTD_HandleProcessingInstruction);
// XML_SetDefaultHandler(mExpatParser, NULL);
// XML_SetUnparsedEntityDeclHandler(mExpatParser, NULL);
XML_SetNotationDeclHandler(mExpatParser, DTD_HandleNotationDecl);
// XML_SetExternalEntityRefHandler(mExpatParser, NULL);
// XML_SetUnknownEncodingHandler(mExpatParser, NULL, NULL);
}
}
/**
* Retrieve the preferred tokenizer for use by this DTD.
* @update gess12/28/98
* @param none
* @return ptr to tokenizer
*/
nsresult nsExpatDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
result=NS_New_Expat_Tokenizer(&mTokenizer);
mExpatParser = XML_ParserCreate(NULL);
if (mExpatParser) {
SetupExpatCallbacks();
}
}
aTokenizer=mTokenizer;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::WillResumeParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
}
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::WillInterruptParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();
}
return result;
}
/**
* Called by the parser to initiate dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
PRBool nsExpatDTD::Verify(nsString& aURLRef,nsIParser* aParser) {
PRBool result=PR_TRUE;
mParser=(nsParser*)aParser;
return result;
}
/**
* Called by the parser to enable/disable dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
void nsExpatDTD::SetVerification(PRBool aEnabled){
}
/**
* 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
*/
PRBool nsExpatDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const{
PRBool result=PR_TRUE;
return result;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHODIMP nsExpatDTD::StringTagToIntTag(nsString &aTag, PRInt32* aIntTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsExpatDTD::IntTagToStringTag(PRInt32 aIntTag, nsString& aTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsExpatDTD::ConvertEntityToUnicode(const nsString& aEntity, PRInt32* aUnicode) const
{
// XXX Needed since the XML content sink reduces entities as well
*aUnicode = nsHTMLEntities::EntityToUnicode(aEntity);
return NS_OK;
}
/**
* 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
*/
PRBool nsExpatDTD::IsContainer(PRInt32 aTag) const{
PRBool result=PR_TRUE;
return result;
}
/**
*
* @update vidur 11/12/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHODIMP nsExpatDTD::HandleToken(CToken* aToken,nsIParser* aParser) {
nsresult result=NS_OK;
CHTMLToken* theToken= (CHTMLToken*)(aToken);
eHTMLTokenTypes theType= (eHTMLTokenTypes)theToken->GetTokenType();
mParser=(nsParser*)aParser;
mSink=aParser->GetContentSink();
nsCParserNode theNode(theToken,mLineNumber,mTokenizer->GetTokenAllocator());
switch(theType) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_entity:
case eToken_whitespace:
case eToken_text:
case eToken_cdatasection:
result=mSink->AddLeaf(theNode);
break;
case eToken_comment:
result=mSink->AddComment(theNode);
break;
case eToken_instruction:
result=mSink->AddProcessingInstruction(theNode);
break;
case eToken_start:
{
PRInt16 attrCount=aToken->GetAttributeCount();
if(0<attrCount){ //go collect the attributes...
int attr=0;
for(attr=0;attr<attrCount;attr++){
CToken* theAttrToken=mTokenizer->PeekToken();
if(theAttrToken) {
eHTMLTokenTypes theAttrType=eHTMLTokenTypes(theAttrToken->GetTokenType());
if(eToken_attribute==theAttrType){
mTokenizer->PopToken(); //pop it for real...
theNode.AddAttribute(theAttrToken);
}
}
else return kEOF;
}
}
if(NS_OK==result){
result=mSink->OpenContainer(theNode);
if(((CStartToken*)aToken)->IsEmpty()){
result=mSink->CloseContainer(theNode);
}
}
}
break;
case eToken_end:
result=mSink->CloseContainer(theNode);
break;
case eToken_style:
case eToken_skippedcontent:
default:
result=NS_OK;
}//switch
return result;
}
nsresult nsExpatDTD::ParseXMLBuffer(const char *buffer){
nsresult result=NS_OK;
if (mExpatParser) {
if (!XML_Parse(mExpatParser, buffer, strlen(buffer), PR_FALSE)) {
// XXX Add code here to implement error propagation to the
// content sink.
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::ParseXMLBuffer(): \
Error propogation from expat not yet implemented.");
result = NS_ERROR_FAILURE;
}
}
else {
result = NS_ERROR_FAILURE;
}
return result;
}
/***************************************/
/* Expat Callback Functions start here */
/***************************************/
void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleStartElement() not yet implemented.");
}
void DTD_HandleEndElement(void *userData, const XML_Char *name)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleEndElement() not yet implemented.");
}
void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleCharacterData() not yet implemented.");
}
void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleProcessingInstruction() not yet implemented.");
}
void DTD_HandleDefault(void *userData, const XML_Char *s, int len)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleDefault() not yet implemented.");
}
void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleUnparsedEntityDecl() not yet implemented.");
}
void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleNotationDecl() not yet implemented.");
}
void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleExternalEntityRef() not yet implemented.");
}
void DTD_HandleUnknownEncoding(void *encodingHandlerData,
const XML_Char *name,
XML_Encoding *info)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleUnknownEncoding() not yet implemented.");
}

324
htmlparser/src/nsExpatDTD.h
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@ -1,324 +0,0 @@
/* -*- 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):
* IBM Corp.
*/
/**
* 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;
#ifdef __cplusplus
extern "C" {
#endif
/* The callback handlers that get called from the expat parser */
void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
void DTD_HandleEndElement(void *userData, const XML_Char *name);
void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len);
void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data);
void DTD_HandleDefault(void *userData, const XML_Char *s, int len);
void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName);
void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
void DTD_HandleUnknownEncoding(void *encodingHandlerData,
const XML_Char *name,
XML_Encoding *info);
#ifdef __cplusplus
}
#endif
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(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 {return PR_FALSE;}
virtual PRBool IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const {return PR_FALSE;}
/**
* Retrieve a ptr to the global token recycler...
* @update gess8/4/98
* @return ptr to recycler (or null)
*/
virtual nsTokenAllocator* GetTokenAllocator(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 */
friend void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
friend void DTD_HandleEndElement(void *userData, const XML_Char *name);
friend void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len);
friend void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data);
friend void DTD_HandleDefault(void *userData, const XML_Char *s, int len);
friend void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName);
friend void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
friend void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
friend void DTD_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

17
htmlparser/src/nsExpatTokenizer.cpp
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@ -117,23 +117,6 @@ nsresult nsExpatTokenizer::QueryInterface(const nsIID& aIID, void** aInstancePtr
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
NS_HTMLPARS nsresult NS_New_Expat_Tokenizer(nsITokenizer** aInstancePtrResult) {
nsExpatTokenizer* it = new nsExpatTokenizer();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(nsExpatTokenizer)
NS_IMPL_RELEASE(nsExpatTokenizer)

3
htmlparser/src/nsExpatTokenizer.h
Просмотреть файл

@ -190,7 +190,4 @@ protected:
XMLParserState* mState;
};
extern NS_HTMLPARS nsresult NS_New_Expat_Tokenizer(nsITokenizer** aInstancePtrResult);
#endif

Двоичные данные
parser/htmlparser/macbuild/htmlparser.mcp
Просмотреть файл

Двоичный файл не отображается.

1
parser/htmlparser/src/MANIFEST
Просмотреть файл

@ -21,7 +21,6 @@ nsParserCIID.h
nsHTMLEntities.h
nsHTMLEntityList.h
nsWellFormedDTD.h
nsExpatDTD.h
nsIExpatTokenizer.h
nsParserError.h
nsIElementObserver.h

2
parser/htmlparser/src/Makefile.in
Просмотреть файл

@ -77,7 +77,6 @@ CPPSRCS = \
nsValidDTD.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp \
nsExpatDTD.cpp \
$(NULL)
#
@ -114,7 +113,6 @@ EXPORTS = \
nsWellFormedDTD.h \
nsValidDTD.h \
nsParserCIID.h \
nsExpatDTD.h \
nsParserError.h \
nsIElementObserver.h \
nsIParserService.h \

3
parser/htmlparser/src/makefile.win
Просмотреть файл

@ -53,7 +53,6 @@ CPPSRCS= \
nsValidDTD.cpp \
nsWellFormedDTD.cpp \
nsViewSourceHTML.cpp \
nsExpatDTD.cpp \
nsParserModule.cpp \
$(NULL)
@ -80,7 +79,6 @@ CPP_OBJS= \
.\$(OBJDIR)\nsValidDTD.obj \
.\$(OBJDIR)\nsWellFormedDTD.obj \
.\$(OBJDIR)\nsViewSourceHTML.obj \
.\$(OBJDIR)\nsExpatDTD.obj \
.\$(OBJDIR)\nsParserModule.obj \
$(NULL)
@ -108,7 +106,6 @@ EXPORTS= \
nsValidDTD.h \
COtherDTD.h \
nsIDTD.h \
nsExpatDTD.h \
nsParserCIID.h \
nsParserError.h \
nsIElementObserver.h \

601
parser/htmlparser/src/nsExpatDTD.cpp
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@ -1,601 +0,0 @@
/* -*- 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
*
*
*/
#include "nsIDTDDebug.h"
#include "nsExpatDTD.h"
#include "nsCRT.h"
#include "nsParser.h"
#include "nsScanner.h"
#include "nsIParser.h"
#include "nsTokenHandler.h"
#include "nsDTDUtils.h"
#include "nsIContentSink.h"
#include "nsIHTMLContentSink.h"
#include "nsExpatTokenizer.h"
#include "nsHTMLEntities.h"
#include "prenv.h" //this is here for debug reasons...
#include "prtypes.h" //this is here for debug reasons...
#include "prio.h"
#include "plstr.h"
#include "prlog.h"
#include "prmem.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
static NS_DEFINE_IID(kClassIID, NS_EXPAT_DTD_IID);
/**
* This method gets called as part of our COM-like interfaces.
* Its purpose is to create an interface to parser object
* of some type.
*
* @update gess 4/8/98
* @param nsIID id of object to discover
* @param aInstancePtr ptr to newly discovered interface
* @return NS_xxx result code
*/
nsresult nsExpatDTD::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if(aIID.Equals(kISupportsIID)) { //do IUnknown...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kIDTDIID)) { //do IParser base class...
*aInstancePtr = (nsIDTD*)(this);
}
else if(aIID.Equals(kClassIID)) { //do this class...
*aInstancePtr = (nsExpatDTD*)(this);
}
else {
*aInstancePtr=0;
return NS_NOINTERFACE;
}
NS_ADDREF_THIS();
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
NS_HTMLPARS nsresult NS_New_Expat_DTD(nsIDTD** aInstancePtrResult) {
nsExpatDTD* it = new nsExpatDTD();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(nsExpatDTD)
NS_IMPL_RELEASE(nsExpatDTD)
/**
* Default constructor
*
* @update gess 4/9/98
* @param
* @return
*/
nsExpatDTD::nsExpatDTD() {
NS_INIT_REFCNT();
mExpatParser=0;
mParser=0;
mSink=0;
mLineNumber=0;
mTokenizer=0;
}
/**
* Default destructor
*
* @update gess 4/9/98
* @param
* @return
*/
nsExpatDTD::~nsExpatDTD(){
mParser=0; //just to prove we destructed...
NS_IF_RELEASE(mTokenizer);
if (mExpatParser)
XML_ParserFree(mExpatParser);
}
/**
*
* @update gess1/8/99
* @param
* @return
*/
const nsIID& nsExpatDTD::GetMostDerivedIID(void) const{
return kClassIID;
}
/**
* Call this method if you want the DTD to construct a fresh
* instance of itself.
* @update gess7/23/98
* @param
* @return
*/
nsresult nsExpatDTD::CreateNewInstance(nsIDTD** aInstancePtrResult){
return NS_New_Expat_DTD(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.
*/
eAutoDetectResult nsExpatDTD::CanParse(CParserContext& aParserContext,nsString& aBuffer, PRInt32 aVersion){
eAutoDetectResult result=eUnknownDetect;
if(eViewSource!=aParserContext.mParserCommand) {
if(aParserContext.mMimeType.EqualsWithConversion(kXMLTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXHTMLApplicationContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kRDFTextContentType) ||
aParserContext.mMimeType.EqualsWithConversion(kXULTextContentType)) {
result=eValidDetect;
}
else {
if(-1<aBuffer.Find("<?xml ")) {
if(0==aParserContext.mMimeType.Length()) {
aParserContext.SetMimeType( NS_ConvertASCIItoUCS2(kXMLTextContentType) );
}
result=eValidDetect;
}
}
}
return result;
}
/**
* 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)
*/
nsresult nsExpatDTD::WillBuildModel( const CParserContext& aParserContext,nsIContentSink* aSink){
nsresult result=NS_OK;
mFilename=aParserContext.mScanner->GetFilename();
mSink=aSink;
if((!aParserContext.mPrevContext) && (mSink)) {
mLineNumber=0;
result = mSink->WillBuildModel();
}
return result;
}
/**
* The parser uses a code sandwich to wrap the parsing process. Before
* the process begins, WillBuildModel() is called. Afterwards the parser
* calls DidBuildModel().
* @update gess 1/4/99
* @param aFilename is the name of the file being parsed.
* @return error code (almost always 0)
*/
NS_IMETHODIMP nsExpatDTD::BuildModel(nsIParser* aParser,nsITokenizer* aTokenizer,nsITokenObserver* anObserver,nsIContentSink* aSink) {
nsresult result=NS_OK;
if(aTokenizer) {
nsITokenizer* oldTokenizer=mTokenizer;
mTokenizer=aTokenizer;
nsTokenAllocator* theAllocator=aTokenizer->GetTokenAllocator();
while(NS_OK==result){
CToken* theToken=mTokenizer->PopToken();
if(theToken) {
result=HandleToken(theToken,aParser);
if(NS_SUCCEEDED(result)) {
IF_FREE(theToken, mTokenizer->GetTokenAllocator());
}
else if(NS_ERROR_HTMLPARSER_BLOCK!=result){
mTokenizer->PushTokenFront(theToken);
}
// theRootDTD->Verify(kEmptyString,aParser);
}
else break;
}//while
mTokenizer=oldTokenizer;
}
else result=NS_ERROR_HTMLPARSER_BADTOKENIZER;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::DidBuildModel(nsresult anErrorCode,PRBool aNotifySink,nsIParser* aParser,nsIContentSink* aSink){
nsresult result= NS_OK;
//ADD CODE HERE TO CLOSE OPEN CONTAINERS...
if(aParser){
mSink=aParser->GetContentSink();
if((aNotifySink) && (mSink)) {
result = mSink->DidBuildModel(1);
}
}
return result;
}
/**
*
* @update gess8/4/98
* @param
* @return
*/
nsTokenAllocator* nsExpatDTD::GetTokenAllocator(void){
nsITokenizer* theTokenizer=0;
nsresult result=GetTokenizer(theTokenizer);
if (NS_SUCCEEDED(result)) {
return theTokenizer->GetTokenAllocator();
}
return 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
*/
nsresult nsExpatDTD::Terminate(nsIParser* aParser)
{
return NS_ERROR_HTMLPARSER_STOPPARSING;
}
/**
* Sets up the callbacks for the expat parser
* @update nra 2/24/99
* @param none
* @return none
*/
void nsExpatDTD::SetupExpatCallbacks(void) {
if (mExpatParser) {
XML_SetElementHandler(mExpatParser, DTD_HandleStartElement, DTD_HandleEndElement);
XML_SetCharacterDataHandler(mExpatParser, DTD_HandleCharacterData);
XML_SetProcessingInstructionHandler(mExpatParser, DTD_HandleProcessingInstruction);
// XML_SetDefaultHandler(mExpatParser, NULL);
// XML_SetUnparsedEntityDeclHandler(mExpatParser, NULL);
XML_SetNotationDeclHandler(mExpatParser, DTD_HandleNotationDecl);
// XML_SetExternalEntityRefHandler(mExpatParser, NULL);
// XML_SetUnknownEncodingHandler(mExpatParser, NULL, NULL);
}
}
/**
* Retrieve the preferred tokenizer for use by this DTD.
* @update gess12/28/98
* @param none
* @return ptr to tokenizer
*/
nsresult nsExpatDTD::GetTokenizer(nsITokenizer*& aTokenizer) {
nsresult result=NS_OK;
if(!mTokenizer) {
result=NS_New_Expat_Tokenizer(&mTokenizer);
mExpatParser = XML_ParserCreate(NULL);
if (mExpatParser) {
SetupExpatCallbacks();
}
}
aTokenizer=mTokenizer;
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::WillResumeParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillResume();
}
return result;
}
/**
*
* @update gess5/18/98
* @param
* @return
*/
NS_IMETHODIMP nsExpatDTD::WillInterruptParse(void){
nsresult result = NS_OK;
if(mSink) {
result = mSink->WillInterrupt();
}
return result;
}
/**
* Called by the parser to initiate dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
PRBool nsExpatDTD::Verify(nsString& aURLRef,nsIParser* aParser) {
PRBool result=PR_TRUE;
mParser=(nsParser*)aParser;
return result;
}
/**
* Called by the parser to enable/disable dtd verification of the
* internal context stack.
* @update gess 7/23/98
* @param
* @return
*/
void nsExpatDTD::SetVerification(PRBool aEnabled){
}
/**
* 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
*/
PRBool nsExpatDTD::CanContain(PRInt32 aParent,PRInt32 aChild) const{
PRBool result=PR_TRUE;
return result;
}
/**
* Give rest of world access to our tag enums, so that CanContain(), etc,
* become useful.
*/
NS_IMETHODIMP nsExpatDTD::StringTagToIntTag(nsString &aTag, PRInt32* aIntTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsExpatDTD::IntTagToStringTag(PRInt32 aIntTag, nsString& aTag) const
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsExpatDTD::ConvertEntityToUnicode(const nsString& aEntity, PRInt32* aUnicode) const
{
// XXX Needed since the XML content sink reduces entities as well
*aUnicode = nsHTMLEntities::EntityToUnicode(aEntity);
return NS_OK;
}
/**
* 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
*/
PRBool nsExpatDTD::IsContainer(PRInt32 aTag) const{
PRBool result=PR_TRUE;
return result;
}
/**
*
* @update vidur 11/12/98
* @param aToken -- token object to be put into content model
* @return 0 if all is well; non-zero is an error
*/
NS_IMETHODIMP nsExpatDTD::HandleToken(CToken* aToken,nsIParser* aParser) {
nsresult result=NS_OK;
CHTMLToken* theToken= (CHTMLToken*)(aToken);
eHTMLTokenTypes theType= (eHTMLTokenTypes)theToken->GetTokenType();
mParser=(nsParser*)aParser;
mSink=aParser->GetContentSink();
nsCParserNode theNode(theToken,mLineNumber,mTokenizer->GetTokenAllocator());
switch(theType) {
case eToken_newline:
mLineNumber++; //now fall through
case eToken_entity:
case eToken_whitespace:
case eToken_text:
case eToken_cdatasection:
result=mSink->AddLeaf(theNode);
break;
case eToken_comment:
result=mSink->AddComment(theNode);
break;
case eToken_instruction:
result=mSink->AddProcessingInstruction(theNode);
break;
case eToken_start:
{
PRInt16 attrCount=aToken->GetAttributeCount();
if(0<attrCount){ //go collect the attributes...
int attr=0;
for(attr=0;attr<attrCount;attr++){
CToken* theAttrToken=mTokenizer->PeekToken();
if(theAttrToken) {
eHTMLTokenTypes theAttrType=eHTMLTokenTypes(theAttrToken->GetTokenType());
if(eToken_attribute==theAttrType){
mTokenizer->PopToken(); //pop it for real...
theNode.AddAttribute(theAttrToken);
}
}
else return kEOF;
}
}
if(NS_OK==result){
result=mSink->OpenContainer(theNode);
if(((CStartToken*)aToken)->IsEmpty()){
result=mSink->CloseContainer(theNode);
}
}
}
break;
case eToken_end:
result=mSink->CloseContainer(theNode);
break;
case eToken_style:
case eToken_skippedcontent:
default:
result=NS_OK;
}//switch
return result;
}
nsresult nsExpatDTD::ParseXMLBuffer(const char *buffer){
nsresult result=NS_OK;
if (mExpatParser) {
if (!XML_Parse(mExpatParser, buffer, strlen(buffer), PR_FALSE)) {
// XXX Add code here to implement error propagation to the
// content sink.
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::ParseXMLBuffer(): \
Error propogation from expat not yet implemented.");
result = NS_ERROR_FAILURE;
}
}
else {
result = NS_ERROR_FAILURE;
}
return result;
}
/***************************************/
/* Expat Callback Functions start here */
/***************************************/
void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleStartElement() not yet implemented.");
}
void DTD_HandleEndElement(void *userData, const XML_Char *name)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleEndElement() not yet implemented.");
}
void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleCharacterData() not yet implemented.");
}
void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleProcessingInstruction() not yet implemented.");
}
void DTD_HandleDefault(void *userData, const XML_Char *s, int len)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleDefault() not yet implemented.");
}
void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleUnparsedEntityDecl() not yet implemented.");
}
void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleNotationDecl() not yet implemented.");
}
void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleExternalEntityRef() not yet implemented.");
}
void DTD_HandleUnknownEncoding(void *encodingHandlerData,
const XML_Char *name,
XML_Encoding *info)
{
NS_NOTYETIMPLEMENTED("Error: nsExpatDTD::HandleUnknownEncoding() not yet implemented.");
}

324
parser/htmlparser/src/nsExpatDTD.h
Просмотреть файл

@ -1,324 +0,0 @@
/* -*- 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):
* IBM Corp.
*/
/**
* 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;
#ifdef __cplusplus
extern "C" {
#endif
/* The callback handlers that get called from the expat parser */
void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
void DTD_HandleEndElement(void *userData, const XML_Char *name);
void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len);
void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data);
void DTD_HandleDefault(void *userData, const XML_Char *s, int len);
void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName);
void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
void DTD_HandleUnknownEncoding(void *encodingHandlerData,
const XML_Char *name,
XML_Encoding *info);
#ifdef __cplusplus
}
#endif
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(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 {return PR_FALSE;}
virtual PRBool IsInlineElement(PRInt32 aTagID,PRInt32 aParentID) const {return PR_FALSE;}
/**
* Retrieve a ptr to the global token recycler...
* @update gess8/4/98
* @return ptr to recycler (or null)
*/
virtual nsTokenAllocator* GetTokenAllocator(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 */
friend void DTD_HandleStartElement(void *userData, const XML_Char *name, const XML_Char **atts);
friend void DTD_HandleEndElement(void *userData, const XML_Char *name);
friend void DTD_HandleCharacterData(void *userData, const XML_Char *s, int len);
friend void DTD_HandleProcessingInstruction(void *userData,
const XML_Char *target,
const XML_Char *data);
friend void DTD_HandleDefault(void *userData, const XML_Char *s, int len);
friend void DTD_HandleUnparsedEntityDecl(void *userData,
const XML_Char *entityName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId,
const XML_Char *notationName);
friend void DTD_HandleNotationDecl(void *userData,
const XML_Char *notationName,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
friend void DTD_HandleExternalEntityRef(XML_Parser parser,
const XML_Char *openEntityNames,
const XML_Char *base,
const XML_Char *systemId,
const XML_Char *publicId);
friend void DTD_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

17
parser/htmlparser/src/nsExpatTokenizer.cpp
Просмотреть файл

@ -117,23 +117,6 @@ nsresult nsExpatTokenizer::QueryInterface(const nsIID& aIID, void** aInstancePtr
return NS_OK;
}
/**
* This method is defined in nsIParser. It is used to
* cause the COM-like construction of an nsParser.
*
* @update gess 4/8/98
* @param nsIParser** ptr to newly instantiated parser
* @return NS_xxx error result
*/
NS_HTMLPARS nsresult NS_New_Expat_Tokenizer(nsITokenizer** aInstancePtrResult) {
nsExpatTokenizer* it = new nsExpatTokenizer();
if (it == 0) {
return NS_ERROR_OUT_OF_MEMORY;
}
return it->QueryInterface(kClassIID, (void **) aInstancePtrResult);
}
NS_IMPL_ADDREF(nsExpatTokenizer)
NS_IMPL_RELEASE(nsExpatTokenizer)

3
parser/htmlparser/src/nsExpatTokenizer.h
Просмотреть файл

@ -190,7 +190,4 @@ protected:
XMLParserState* mState;
};
extern NS_HTMLPARS nsresult NS_New_Expat_Tokenizer(nsITokenizer** aInstancePtrResult);
#endif