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nsPipeFilterListener.h
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "MPL"); you may not use this file
* except in compliance with the MPL. You may obtain a copy of
* the MPL at http://www.mozilla.org/MPL/
*
* Software distributed under the MPL is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the MPL for the specific language governing
* rights and limitations under the MPL.
*
* The Original Code is protoZilla.
*
* The Initial Developer of the Original Code is Ramalingam Saravanan.
* Portions created by Ramalingam Saravanan <sarava@sarava.net> are
* Copyright (C) 2000 Ramalingam Saravanan. All Rights Reserved.
*
* Contributor(s):
* Patrick Brunschwig <patrick@mozilla-enigmail.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
* ***** END LICENSE BLOCK ***** */
#ifndef nsPipeFilterListener_h__
#define nsPipeFilterListener_h__
#include "nspr.h"
#include "nsIPipeFilterListener.h"
#include "nsCOMPtr.h"
#include "nsStringGlue.h"
#include "nsIInputStream.h"
typedef struct LineMatchStatus LineMatchStatus;
struct LineMatchStatus {
PRUint32 skipCount;
PRBool matchedLine;
PRBool matchedCR;
PRUint32 matchOffset;
PRUint32 matchCount;
};
// Implementation class for nsIPipeFilterListener
class nsPipeFilterListener : public nsIPipeFilterListener,
public nsIInputStream
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
NS_DECL_NSIPIPEFILTERLISTENER
NS_DECL_NSIINPUTSTREAM
nsPipeFilterListener();
virtual ~nsPipeFilterListener();
// Define a Create method to be used with a factory:
static NS_METHOD
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
protected:
NS_METHOD TransmitData(const char* buf, PRUint32 count,
nsIStreamListener* listener,
nsIRequest* aRequest, nsISupports* aContext);
NS_METHOD EndRequest(nsIRequest* aRequest, nsISupports* aContext);
PRInt32 MatchDelimiter(const char* buf, PRUint32 bufLen,
LineMatchStatus& delim,
nsCString& delimStr,
nsCString& delimLine);
PRUint32 MatchString(const char* buf, PRUint32 count,
const char* str, PRUint32 length,
PRUint32& strOffset);
nsresult HeaderSearch(const char* buf, PRUint32 count,
PRUint32 *headerOffset);
nsresult ParseMimeHeaders(const char* mimeHeaders, PRUint32 count,
PRInt32 *retval);
nsresult ParseHeader(const char* header, PRUint32 count);
static const char* const LineBreaks[3];
PRBool mInitialized;
PRBool mRequestStarted;
PRBool mRequestEnded;
PRBool mTailRequestStarted;
nsCString mStartDelimiter;
nsCString mEndDelimiter;
nsCString mStartLine;
nsCString mEndLine;
LineMatchStatus mStart;
LineMatchStatus mEnd;
PRBool mKeepDelimiters;
PRBool mMimeMultipart;
PRBool mAutoMimeBoundary;
PRBool mFirstMatch;
PRBool mLastMatch;
PRBool mSavePartMatch;
nsCString mOldPartMatch;
nsCString mPartMatch;
PRUint32 mLinebreak;
const char* mStreamBuf;
PRUint32 mStreamOffset;
PRUint32 mStreamLength;
// Owning refs
nsCOMPtr<nsIStreamListener> mListener;
nsCOMPtr<nsIStreamListener> mTailListener;
nsCOMPtr<nsISupports> mContext;
};
#endif // nsPipeFilterListener_h__

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