/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/**
 * MODULE NOTES:
 * @update  gess 4/1/98
 *
 */

#ifndef __CParserContext
#define __CParserContext

#include "nsIParser.h"
#include "nsIURL.h"
#include "nsIDTD.h"
#include "nsIStreamListener.h"
#include "nsIRequest.h"
#include "nsScanner.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsAutoPtr.h"

/**
 * Note that the parser is given FULL access to all
 * data in a parsercontext. Hey, that what it's for!
 */

class CParserContext {
 public:
  enum eContextType { eCTNone, eCTURL, eCTString, eCTStream };

  CParserContext(CParserContext* aPrevContext, nsScanner* aScanner,
                 void* aKey = 0, eParserCommands aCommand = eViewNormal,
                 nsIRequestObserver* aListener = 0,
                 eAutoDetectResult aStatus = eUnknownDetect,
                 bool aCopyUnused = false);

  ~CParserContext();

  nsresult GetTokenizer(nsIDTD* aDTD, nsIContentSink* aSink,
                        nsITokenizer*& aTokenizer);
  void SetMimeType(const nsACString& aMimeType);

  nsCOMPtr<nsIRequest>
      mRequest;  // provided by necko to differnciate different input streams
                 // why is mRequest strongly referenced? see bug 102376.
  nsCOMPtr<nsIRequestObserver> mListener;
  void* const mKey;
  nsCOMPtr<nsITokenizer> mTokenizer;
  CParserContext* const mPrevContext;
  nsAutoPtr<nsScanner> mScanner;

  nsCString mMimeType;
  nsDTDMode mDTDMode;

  eParserDocType mDocType;
  eStreamState mStreamListenerState;
  eContextType mContextType;
  eAutoDetectResult mAutoDetectStatus;
  eParserCommands mParserCommand;

  bool mMultipart;
  bool mCopyUnused;
};

#endif