146 lines
4.9 KiB
C++
146 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=80: */
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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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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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: mDTD(aDTD),
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mListener(aListener),
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mKey(aKey),
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mPrevContext(nsnull),
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mScanner(aScanner),
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mDTDMode(eDTDMode_unknown),
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mStreamListenerState(eNone),
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mContextType(eCTNone),
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mAutoDetectStatus(aStatus),
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mParserCommand(aCommand),
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mMultipart(PR_TRUE),
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mCopyUnused(aCopyUnused),
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mTransferBufferSize(eTransferBufferSize)
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{
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MOZ_COUNT_CTOR(CParserContext);
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}
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CParserContext::~CParserContext()
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{
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// It's ok to simply ingore the PrevContext.
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MOZ_COUNT_DTOR(CParserContext);
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}
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void
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CParserContext::SetMimeType(const nsACString& aMimeType)
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{
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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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{
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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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mTokenizer = new nsHTMLTokenizer(mDTDMode, mDocType,
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mParserCommand, theFlags);
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if (!mTokenizer) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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// Make sure the new tokenizer has all of the necessary information.
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// XXX this might not be necessary.
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if (mPrevContext) {
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mTokenizer->CopyState(mPrevContext->mTokenizer);
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}
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}
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else if (aType == NS_IPARSER_FLAG_XML) {
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mTokenizer = do_QueryInterface(mDTD, &result);
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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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