gecko-dev/editor/base/nsEditorParserObserver.cpp

141 lines
3.8 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):
* steve clark <buster@netscape.com>
*/
#include "nsIServiceManager.h"
#include "nsEditorParserObserver.h"
NS_IMPL_ADDREF(nsEditorParserObserver);
NS_IMPL_RELEASE(nsEditorParserObserver);
NS_INTERFACE_MAP_BEGIN(nsEditorParserObserver)
NS_INTERFACE_MAP_ENTRY(nsIElementObserver)
NS_INTERFACE_MAP_ENTRY(nsIObserver)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIElementObserver)
NS_INTERFACE_MAP_END
nsEditorParserObserver::nsEditorParserObserver()
: mBadTagFound(PR_FALSE)
{
NS_INIT_REFCNT();
}
nsEditorParserObserver::~nsEditorParserObserver()
{
}
NS_IMETHODIMP_(const char*) nsEditorParserObserver::GetTagNameAt(PRUint32 aTagIndex)
{
nsCString* theString = mWatchTags[aTagIndex];
if (theString)
return theString->GetBuffer();
else
return nsnull;
}
NS_IMETHODIMP nsEditorParserObserver::Notify(
PRUint32 aDocumentID,
const PRUnichar* aTag,
PRUint32 numOfAttributes,
const PRUnichar* nameArray[],
const PRUnichar* valueArray[])
{
// XXX based on aTag...
Notify();
return NS_OK;
}
NS_IMETHODIMP nsEditorParserObserver::Notify(
PRUint32 aDocumentID,
eHTMLTags aTag,
PRUint32 numOfAttributes,
const PRUnichar* nameArray[],
const PRUnichar* valueArray[])
{
if (eHTMLTag_frameset == aTag)
{
Notify();
return NS_OK;
}
else
return NS_ERROR_ILLEGAL_VALUE;
}
NS_IMETHODIMP nsEditorParserObserver::Notify(nsISupports* aDocumentID, const PRUnichar* aTag,
const nsDeque* aKeys, const nsDeque* aValues)
{
Notify();
return NS_OK;
}
NS_IMETHODIMP nsEditorParserObserver::Observe(nsISupports*, const PRUnichar*, const PRUnichar*)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
void nsEditorParserObserver::Notify()
{
mBadTagFound = PR_TRUE;
}
NS_IMETHODIMP nsEditorParserObserver::Start()
{
nsresult res = NS_OK;
nsAutoString parserService; parserService.AssignWithConversion("text/html");
nsCOMPtr<nsIObserverService> anObserverService = do_GetService(NS_OBSERVERSERVICE_PROGID, &res);
if (NS_FAILED(res)) return res;
return anObserverService->AddObserver(this, parserService.GetUnicode());
}
NS_IMETHODIMP nsEditorParserObserver::End()
{
nsresult res = NS_OK;
nsAutoString parserService; parserService.AssignWithConversion("text/html");
nsCOMPtr<nsIObserverService> anObserverService = do_GetService(NS_OBSERVERSERVICE_PROGID, &res);
if (NS_FAILED(res)) return res;
return anObserverService->RemoveObserver(this, parserService.GetUnicode());
}
NS_IMETHODIMP nsEditorParserObserver::GetBadTagFound(PRBool *aFound)
{
NS_ENSURE_ARG_POINTER(aFound);
*aFound = mBadTagFound;
return NS_OK;
}
NS_IMETHODIMP nsEditorParserObserver::RegisterTagToWatch(const char* tagName)
{
nsCString theTagString(tagName);
mWatchTags.AppendCString(theTagString);
return NS_OK;
}