The Tor Browser: intl/uconv/ucvcn/nsGBKToUnicode.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     5 #ifndef nsGBK2312ToUnicode_h___

     6 #define nsGBK2312ToUnicode_h___

     8 #include "nsCOMPtr.h"

     9 #include "nsIUnicodeDecoder.h"

    10 #include "nsUCSupport.h"

    11 #include "nsGBKConvUtil.h"

    13 //----------------------------------------------------------------------

    14 // Class nsGBKToUnicode [declaration]

    16 /**

    17  * A character set converter from GBK to Unicode.

    18  *

    19  *

    20  * @created         07/Sept/1999

    21  * @author  Yueheng Xu, Yueheng.Xu@intel.com

    22  */

    23 class nsGBKToUnicode : public nsBufferDecoderSupport

    24 {

    25 public:

    27   /**

    28    * Class constructor.

    29    */

    30   nsGBKToUnicode() : nsBufferDecoderSupport(1)

    31   {

    32     mExtensionDecoder = nullptr;

    33     m4BytesDecoder = nullptr;

    34   }

    36 protected:

    38   //--------------------------------------------------------------------

    39   // Subclassing of nsDecoderSupport class [declaration]

    40   NS_IMETHOD ConvertNoBuff(const char* aSrc, int32_t * aSrcLength, char16_t *aDest, int32_t * aDestLength);

    42 protected:

    43   nsGBKConvUtil mUtil;

    44   nsCOMPtr<nsIUnicodeDecoder> mExtensionDecoder;

    45   nsCOMPtr<nsIUnicodeDecoder> m4BytesDecoder;

    47   virtual void CreateExtensionDecoder();

    48   virtual void Create4BytesDecoder();

    49   bool TryExtensionDecoder(const char* aSrc, char16_t* aDest);

    50   bool Try4BytesDecoder(const char* aSrc, char16_t* aDest);

    51   virtual bool DecodeToSurrogate(const char* aSrc, char16_t* aDest);

    53 };

    56 class nsGB18030ToUnicode : public nsGBKToUnicode

    57 {

    58 public:

    59   nsGB18030ToUnicode() {}

    60   virtual ~nsGB18030ToUnicode() {}

    61 protected:

    62   virtual void CreateExtensionDecoder();

    63   virtual void Create4BytesDecoder();

    64   virtual bool DecodeToSurrogate(const char* aSrc, char16_t* aDest);

    65 };

    67 #endif /* nsGBK2312ToUnicode_h___ */

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