The Tor Browser: intl/uconv/src/nsConverterInputStream.h@fc2d59ddac77

     1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsConverterInputStream_h

     7 #define nsConverterInputStream_h

     9 #include "nsIInputStream.h"

    10 #include "nsIConverterInputStream.h"

    11 #include "nsIUnicharLineInputStream.h"

    12 #include "nsTArray.h"

    13 #include "nsAutoPtr.h"

    14 #include "nsCOMPtr.h"

    15 #include "nsIUnicodeDecoder.h"

    16 #include "nsReadLine.h"

    18 #define NS_CONVERTERINPUTSTREAM_CONTRACTID "@mozilla.org/intl/converter-input-stream;1"

    20 // {2BC2AD62-AD5D-4b7b-A9DB-F74AE203C527}

    21 #define NS_CONVERTERINPUTSTREAM_CID \

    22   { 0x2bc2ad62, 0xad5d, 0x4b7b, \

    23    { 0xa9, 0xdb, 0xf7, 0x4a, 0xe2, 0x3, 0xc5, 0x27 } }

    27 class nsConverterInputStream : public nsIConverterInputStream,

    28                                public nsIUnicharLineInputStream {

    30  public:

    31     NS_DECL_ISUPPORTS

    32     NS_DECL_NSIUNICHARINPUTSTREAM

    33     NS_DECL_NSIUNICHARLINEINPUTSTREAM

    34     NS_DECL_NSICONVERTERINPUTSTREAM

    36     nsConverterInputStream() :

    37         mLastErrorCode(NS_OK),

    38         mLeftOverBytes(0),

    39         mUnicharDataOffset(0),

    40         mUnicharDataLength(0),

    41         mReplacementChar(DEFAULT_REPLACEMENT_CHARACTER),

    42         mLineBuffer(nullptr) { }

    44     virtual ~nsConverterInputStream() { Close(); }

    46  private:

    49     uint32_t Fill(nsresult *aErrorCode);

    51     nsCOMPtr<nsIUnicodeDecoder> mConverter;

    52     FallibleTArray<char> mByteData;

    53     FallibleTArray<char16_t> mUnicharData;

    54     nsCOMPtr<nsIInputStream> mInput;

    56     nsresult  mLastErrorCode;

    57     uint32_t  mLeftOverBytes;

    58     uint32_t  mUnicharDataOffset;

    59     uint32_t  mUnicharDataLength;

    60     char16_t mReplacementChar;

    62     nsAutoPtr<nsLineBuffer<char16_t> > mLineBuffer;

    63 };

    65 #endif

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