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/* -*- Mode: C++; tab-width: 4; 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/. */

#ifndef nsDirectoryIndexStream_h__
#define nsDirectoryIndexStream_h__

#include "mozilla/Attributes.h"

#include "nsString.h"
#include "nsIInputStream.h"
#include "nsCOMArray.h"

class nsIFile;

class nsDirectoryIndexStream final : public nsIInputStream {
 private:
  nsCString mBuf;
  int32_t mOffset;
  nsresult mStatus;

  int32_t mPos;                // position within mArray
  nsCOMArray<nsIFile> mArray;  // file objects within the directory

  nsDirectoryIndexStream();
  /**
   * aDir will only be used on the calling thread.
   */
  nsresult Init(nsIFile* aDir);
  ~nsDirectoryIndexStream();

 public:
  /**
   * aDir will only be used on the calling thread.
   */
  static nsresult Create(nsIFile* aDir, nsIInputStream** aStreamResult);

  // nsISupportsInterface
  NS_DECL_THREADSAFE_ISUPPORTS

  // nsIInputStream interface
  NS_DECL_NSIINPUTSTREAM
};

#endif  // nsDirectoryIndexStream_h__