nsMsgFileStream.h - mozsearch

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/* 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/. */

#include "mozilla/Attributes.h"

#include "msgCore.h"

#include "nsIInputStream.h"

#include "nsIOutputStream.h"

#include "nsISeekableStream.h"

#include "prio.h"

class nsMsgFileStream final : public nsIInputStream,

                              public nsIOutputStream,

                              public nsISeekableStream {

 public:

  nsMsgFileStream();

  NS_DECL_ISUPPORTS

  NS_IMETHOD Available(uint64_t* _retval) override;

  NS_IMETHOD Read(char* aBuf, uint32_t aCount, uint32_t* _retval) override;

  NS_IMETHOD ReadSegments(nsWriteSegmentFun aWriter, void* aClosure,

                          uint32_t aCount, uint32_t* _retval) override;

  NS_DECL_NSIOUTPUTSTREAM

  NS_DECL_NSISEEKABLESTREAM

  NS_DECL_NSITELLABLESTREAM

  nsresult InitWithFile(nsIFile* localFile);

 protected:

  ~nsMsgFileStream();

  PRFileDesc* mFileDesc;

  bool mSeekedToEnd;

};