nsConverterInputStream.h

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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 nsConverterInputStream_h

#define nsConverterInputStream_h

#include "nsIInputStream.h"

#include "nsIConverterInputStream.h"

#include "nsIUnicharLineInputStream.h"

#include "nsTArray.h"

#include "nsCOMPtr.h"

#include "nsReadLine.h"

#include "mozilla/Encoding.h"

#include "mozilla/UniquePtr.h"

#define NS_CONVERTERINPUTSTREAM_CONTRACTID \

  "@mozilla.org/intl/converter-input-stream;1"

// {2BC2AD62-AD5D-4b7b-A9DB-F74AE203C527}

#define NS_CONVERTERINPUTSTREAM_CID                 \

  {                                                 \

    0x2bc2ad62, 0xad5d, 0x4b7b, {                   \

      0xa9, 0xdb, 0xf7, 0x4a, 0xe2, 0x3, 0xc5, 0x27 \

    }                                               \

class nsConverterInputStream : public nsIConverterInputStream,

                               public nsIUnicharLineInputStream {

 public:

  NS_DECL_ISUPPORTS

  NS_DECL_NSIUNICHARINPUTSTREAM

  NS_DECL_NSIUNICHARLINEINPUTSTREAM

  NS_DECL_NSICONVERTERINPUTSTREAM

  nsConverterInputStream()

      : mLastErrorCode(NS_OK),

        mLeftOverBytes(0),

        mUnicharDataOffset(0),

        mUnicharDataLength(0),

        mErrorsAreFatal(false),

        mLineBuffer(nullptr) {}

 private:

  virtual ~nsConverterInputStream() { Close(); }

  uint32_t Fill(nsresult* aErrorCode);

  mozilla::UniquePtr<mozilla::Decoder> mConverter;

  FallibleTArray<char> mByteData;

  FallibleTArray<char16_t> mUnicharData;

  nsCOMPtr<nsIInputStream> mInput;

  nsresult mLastErrorCode;

  uint32_t mLeftOverBytes;

  uint32_t mUnicharDataOffset;

  uint32_t mUnicharDataLength;

  bool mErrorsAreFatal;

  mozilla::UniquePtr<nsLineBuffer<char16_t> > mLineBuffer;

};

#endif