210 lines
6.2 KiB
C++
210 lines
6.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIAtom.h"
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#include "CParserContext.h"
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#include "nsToken.h"
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#include "prenv.h"
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#include "nsIHTMLContentSink.h"
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#include "nsHTMLTokenizer.h"
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#include "nsExpatDriver.h"
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MOZ_DECL_CTOR_COUNTER(CParserContext)
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/**
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* Your friendly little constructor. Ok, it's not the friendly, but the only guy
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* using it is the parser.
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* @update gess7/23/98
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* @param aScanner
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* @param aKey
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* @param aListener
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*/
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CParserContext::CParserContext(nsScanner* aScanner,
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void *aKey,
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eParserCommands aCommand,
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nsIRequestObserver* aListener,
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nsIDTD *aDTD,
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eAutoDetectResult aStatus,
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PRBool aCopyUnused)
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{
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MOZ_COUNT_CTOR(CParserContext);
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mScanner=aScanner;
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mKey=aKey;
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mPrevContext=0;
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mListener=aListener;
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NS_IF_ADDREF(mListener);
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mDTDMode=eDTDMode_unknown;
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mAutoDetectStatus=aStatus;
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mTransferBuffer=0;
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mDTD=aDTD;
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NS_IF_ADDREF(mDTD);
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mTokenizer = 0;
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mTransferBufferSize=eTransferBufferSize;
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mStreamListenerState=eNone;
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mMultipart=PR_TRUE;
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mContextType=eCTNone;
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mCopyUnused=aCopyUnused;
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mParserCommand=aCommand;
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mRequest=0;
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}
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/**
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* Your friendly little constructor. Ok, it's not the friendly, but the only guy
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* using it is the parser.
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* @update gess7/23/98
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* @param aScanner
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* @param aKey
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* @param aListener
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*/
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CParserContext::CParserContext(const CParserContext &aContext) : mMimeType() {
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MOZ_COUNT_CTOR(CParserContext);
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mScanner=aContext.mScanner;
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mKey=aContext.mKey;
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mPrevContext=0;
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mListener=aContext.mListener;
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NS_IF_ADDREF(mListener);
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mDTDMode=aContext.mDTDMode;
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mAutoDetectStatus=aContext.mAutoDetectStatus;
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mTransferBuffer=aContext.mTransferBuffer;
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mDTD=aContext.mDTD;
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NS_IF_ADDREF(mDTD);
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mTokenizer = aContext.mTokenizer;
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NS_IF_ADDREF(mTokenizer);
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mTransferBufferSize=eTransferBufferSize;
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mStreamListenerState=aContext.mStreamListenerState;
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mMultipart=aContext.mMultipart;
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mContextType=aContext.mContextType;
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mRequest=aContext.mRequest;
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mParserCommand=aContext.mParserCommand;
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SetMimeType(aContext.mMimeType);
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}
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/**
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* Destructor for parser context
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* NOTE: DO NOT destroy the dtd here.
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* @update gess7/11/98
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*/
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CParserContext::~CParserContext(){
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MOZ_COUNT_DTOR(CParserContext);
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if(mScanner) {
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delete mScanner;
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mScanner=nsnull;
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}
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if(mTransferBuffer)
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delete [] mTransferBuffer;
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NS_IF_RELEASE(mDTD);
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NS_IF_RELEASE(mListener);
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NS_IF_RELEASE(mTokenizer);
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//Remember that it's ok to simply ingore the PrevContext.
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}
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/**
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* Set's the mimetype for this context
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* @update rickg 03.18.2000
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*/
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void CParserContext::SetMimeType(const nsACString& aMimeType){
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mMimeType.Assign(aMimeType);
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mDocType=ePlainText;
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if(mMimeType.EqualsLiteral(kHTMLTextContentType))
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mDocType=eHTML_Strict;
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else if (mMimeType.EqualsLiteral(kXMLTextContentType) ||
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mMimeType.EqualsLiteral(kXMLApplicationContentType) ||
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mMimeType.EqualsLiteral(kXHTMLApplicationContentType) ||
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mMimeType.EqualsLiteral(kXULTextContentType) ||
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#ifdef MOZ_SVG
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mMimeType.EqualsLiteral(kSVGTextContentType) ||
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#endif
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mMimeType.EqualsLiteral(kRDFApplicationContentType) ||
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mMimeType.EqualsLiteral(kRDFTextContentType))
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mDocType=eXML;
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}
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nsresult
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CParserContext::GetTokenizer(PRInt32 aType,
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nsIContentSink* aSink,
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nsITokenizer*& aTokenizer) {
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nsresult result = NS_OK;
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if(!mTokenizer) {
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if (aType == NS_IPARSER_FLAG_HTML || mParserCommand == eViewSource) {
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nsCOMPtr<nsIHTMLContentSink> theSink = do_QueryInterface(aSink);
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PRUint16 theFlags = 0;
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if (theSink) {
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// XXX This code is repeated both here and in CNavDTD. Can the two
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// callsites be combined?
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PRBool enabled;
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theSink->IsEnabled(eHTMLTag_frameset, &enabled);
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if(enabled) {
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theFlags |= NS_IPARSER_FLAG_FRAMES_ENABLED;
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}
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theSink->IsEnabled(eHTMLTag_script, &enabled);
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if(enabled) {
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theFlags |= NS_IPARSER_FLAG_SCRIPT_ENABLED;
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}
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}
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result = NS_NewHTMLTokenizer(&mTokenizer,mDTDMode,mDocType,
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mParserCommand,theFlags);
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}
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else if (aType == NS_IPARSER_FLAG_XML)
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{
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result = CallQueryInterface(mDTD, &mTokenizer);
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}
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}
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aTokenizer = mTokenizer;
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return result;
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}
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