зеркало из https://github.com/mozilla/gecko-dev.git
added observerdictionary
This commit is contained in:
rickg%netscape.com
Родитель
95b615b350
Коммит
1f73279dd4
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@ -161,6 +161,7 @@ public:
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//CTagHandlerRegister gTagHandlerRegister;
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/************************************************************************
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And now for the main class -- CNavDTD...
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************************************************************************/
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@ -1008,6 +1009,7 @@ void WriteTokenToLog(CToken* aToken) {
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}
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#endif
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/**
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* This gets called before we've handled a given start tag.
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* It's a generic hook to let us do pre processing.
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@ -1025,6 +1027,23 @@ nsresult CNavDTD::WillHandleStartTag(CToken* aToken,eHTMLTags aTag,nsCParserNode
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result=CollectSkippedContent(aNode,theAttrCount);
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}
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/**********************************************************
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THIS WILL ULTIMATELY BECOME THE REAL OBSERVER API...
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**********************************************************
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static CObserverDictionary gObserverDictionary;
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nsDeque* theDeque=gObserverDictionary.GetObserversForTag(aTag);
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if(theDeque){
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int theSize=theDeque->GetSize();
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int theIndex=0;
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for(theIndex=0;theIndex<theSize;theIndex++){
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nsIObserver* theObserver=theDeque->ObjectAt(theIndex);
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if(theObserver){
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theObserver->Notify();
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}
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}
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}
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*/
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//**********************************************************
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//XXX Hack until I get the node observer API in place...
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@ -2918,3 +2937,6 @@ nsresult CNavDTD::DoFragment(PRBool aFlag)
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return NS_OK;
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}
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@ -513,3 +513,64 @@ PRUint32 AccumulateCRC(PRUint32 crc_accum, char *data_blk_ptr, int data_blk_size
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return crc_accum;
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}
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/******************************************************************************
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This class is used to store ref's to tag observers during the parse phase.
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Note that for simplicity, this is a singleton that is constructed in the
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CNavDTD and shared for the duration of the application session. Later on it
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might be nice to use a more dynamic approach that would permit observers to
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come and go on a document basis.
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******************************************************************************/
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CObserverDictionary::CObserverDictionary() {
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nsCRT::zero(mObservers,sizeof(mObservers));
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RegisterObservers();
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}
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CObserverDictionary::~CObserverDictionary() {
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UnregisterObservers();
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}
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void CObserverDictionary::UnregisterObservers() {
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int theIndex=0;
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for(theIndex=0;theIndex<NS_HTML_TAG_MAX;theIndex++){
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if(mObservers[theIndex]){
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/*
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nsIObserver* theObserver=0;
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while(theObserver=mObserver[theIndex]->Pop()){
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NS_RELEASE(theObserver);
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}
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*/
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}
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}
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}
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void CObserverDictionary::RegisterObservers() {
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/*
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nsIObserverService* theObserverService=GetService("observer"); //or whatever the call is here...
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if(theObserverService){
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nsIObserverEnumerator* theEnum=theObserverService->GetObserversForTopic("htmlparser"); //again, put the real call here!
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if(theEnum){
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nsIObserver* theObserver=theEnum->First();
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while(theObserver){
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const char* theTagStr=theObserver->GetTag();
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if(theTagStr){
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eHTMLTags theTag=NS_TagToEnum(theTagStr);
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if(eHTMLTag_userdefined!=theTag){
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nsDeque* theDeque=mObservers[theTag];
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if(theDeque){
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NS_ADDREF(theObserver);
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theDeque->Push(theObserver);
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}
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}
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}
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theObserver=theEnum->Next();
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}
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}
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}
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*/
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}
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nsDeque* CObserverDictionary::GetObserversForTag(eHTMLTags aTag) {
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nsDeque* result=mObservers[aTag];
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return result;
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}
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@ -234,6 +234,26 @@ struct CRCStruct {
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PRInt32 mOperation; //usually open or close
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};
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/******************************************************************************
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This class is used to store ref's to token observers during the parse phase.
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Note that for simplicity, this is a singleton that is constructed in the
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CNavDTD and shared for the duration of the application session. Later on it
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might be nice to use a more dynamic approach that would permit observers to
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come and go on a document basis.
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******************************************************************************/
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class CObserverDictionary {
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public:
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CObserverDictionary();
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~CObserverDictionary();
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void RegisterObservers();
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void UnregisterObservers();
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nsDeque* GetObserversForTag(eHTMLTags aTag);
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protected:
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nsDeque* mObservers[NS_HTML_TAG_MAX];
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};
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#endif
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@ -161,6 +161,7 @@ public:
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//CTagHandlerRegister gTagHandlerRegister;
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/************************************************************************
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And now for the main class -- CNavDTD...
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************************************************************************/
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@ -1008,6 +1009,7 @@ void WriteTokenToLog(CToken* aToken) {
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}
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#endif
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/**
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* This gets called before we've handled a given start tag.
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* It's a generic hook to let us do pre processing.
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@ -1025,6 +1027,23 @@ nsresult CNavDTD::WillHandleStartTag(CToken* aToken,eHTMLTags aTag,nsCParserNode
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result=CollectSkippedContent(aNode,theAttrCount);
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}
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/**********************************************************
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THIS WILL ULTIMATELY BECOME THE REAL OBSERVER API...
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**********************************************************
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static CObserverDictionary gObserverDictionary;
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nsDeque* theDeque=gObserverDictionary.GetObserversForTag(aTag);
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if(theDeque){
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int theSize=theDeque->GetSize();
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int theIndex=0;
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for(theIndex=0;theIndex<theSize;theIndex++){
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nsIObserver* theObserver=theDeque->ObjectAt(theIndex);
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if(theObserver){
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theObserver->Notify();
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}
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}
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}
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*/
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//**********************************************************
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//XXX Hack until I get the node observer API in place...
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@ -2918,3 +2937,6 @@ nsresult CNavDTD::DoFragment(PRBool aFlag)
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return NS_OK;
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}
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@ -513,3 +513,64 @@ PRUint32 AccumulateCRC(PRUint32 crc_accum, char *data_blk_ptr, int data_blk_size
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return crc_accum;
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}
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/******************************************************************************
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This class is used to store ref's to tag observers during the parse phase.
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Note that for simplicity, this is a singleton that is constructed in the
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CNavDTD and shared for the duration of the application session. Later on it
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might be nice to use a more dynamic approach that would permit observers to
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come and go on a document basis.
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******************************************************************************/
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CObserverDictionary::CObserverDictionary() {
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nsCRT::zero(mObservers,sizeof(mObservers));
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RegisterObservers();
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}
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CObserverDictionary::~CObserverDictionary() {
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UnregisterObservers();
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}
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void CObserverDictionary::UnregisterObservers() {
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int theIndex=0;
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for(theIndex=0;theIndex<NS_HTML_TAG_MAX;theIndex++){
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if(mObservers[theIndex]){
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/*
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nsIObserver* theObserver=0;
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while(theObserver=mObserver[theIndex]->Pop()){
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NS_RELEASE(theObserver);
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}
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*/
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}
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}
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}
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void CObserverDictionary::RegisterObservers() {
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/*
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nsIObserverService* theObserverService=GetService("observer"); //or whatever the call is here...
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if(theObserverService){
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nsIObserverEnumerator* theEnum=theObserverService->GetObserversForTopic("htmlparser"); //again, put the real call here!
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if(theEnum){
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nsIObserver* theObserver=theEnum->First();
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while(theObserver){
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const char* theTagStr=theObserver->GetTag();
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if(theTagStr){
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eHTMLTags theTag=NS_TagToEnum(theTagStr);
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if(eHTMLTag_userdefined!=theTag){
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nsDeque* theDeque=mObservers[theTag];
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if(theDeque){
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NS_ADDREF(theObserver);
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theDeque->Push(theObserver);
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}
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}
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}
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theObserver=theEnum->Next();
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}
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}
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}
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*/
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}
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nsDeque* CObserverDictionary::GetObserversForTag(eHTMLTags aTag) {
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nsDeque* result=mObservers[aTag];
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return result;
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}
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|
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@ -234,6 +234,26 @@ struct CRCStruct {
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PRInt32 mOperation; //usually open or close
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};
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/******************************************************************************
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This class is used to store ref's to token observers during the parse phase.
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Note that for simplicity, this is a singleton that is constructed in the
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CNavDTD and shared for the duration of the application session. Later on it
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might be nice to use a more dynamic approach that would permit observers to
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come and go on a document basis.
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******************************************************************************/
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class CObserverDictionary {
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public:
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CObserverDictionary();
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~CObserverDictionary();
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void RegisterObservers();
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void UnregisterObservers();
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nsDeque* GetObserversForTag(eHTMLTags aTag);
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protected:
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nsDeque* mObservers[NS_HTML_TAG_MAX];
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};
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#endif
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