The Tor Browser: intl/uconv/public/nsUCSupport.h@fc2d59ddac77 (annotated)

intl/uconv/public/nsUCSupport.h@fc2d59ddac77 (annotated)

intl/uconv/public/nsUCSupport.h

Wed, 31 Dec 2014 07:22:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 07:22:50 +0100
branch: TOR_BUG_3246
changeset 4: fc2d59ddac77
permissions: -rw-r--r--

Correct previous dual key logic pending first delivery installment.

 /* -*- Mode: C++; tab-width: 2; 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 nsUCvJaSupport_h___
 #define nsUCvJaSupport_h___
 #include "nsCOMPtr.h"
 #include "nsIUnicodeEncoder.h"
 #include "nsIUnicodeDecoder.h"
 #include "uconvutil.h"
 #include "mozilla/Mutex.h"
 #define ONE_BYTE_TABLE_SIZE 256
 inline bool WillOverrun(char16_t* aDest, char16_t* aDestEnd, uint32_t aLength)
 {
   NS_ASSERTION(aDest <= aDestEnd, "Pointer overrun even before check");
   return (uint32_t(aDestEnd - aDest) < aLength);
 }
 #define CHECK_OVERRUN(dest, destEnd, length) (WillOverrun(dest, destEnd, length))
 #ifdef DEBUG
 // {7AFC9F0A-CFE1-44ea-A755-E3B86AB1226E}
 #define NS_IBASICDECODER_IID \
 { 0x7afc9f0a, 0xcfe1, 0x44ea, { 0xa7, 0x55, 0xe3, 0xb8, 0x6a, 0xb1, 0x22, 0x6e } }
 // {65968A7B-6467-4c4a-B50A-3E0C97A32F07}
 #define NS_IBASICENCODER_IID \
 { 0x65968a7b, 0x6467, 0x4c4a, { 0xb5, 0xa, 0x3e, 0xc, 0x97, 0xa3, 0x2f, 0x7 } }
 class nsIBasicDecoder : public nsISupports {
 public:
   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBASICDECODER_IID)
 };
 NS_DEFINE_STATIC_IID_ACCESSOR(nsIBasicDecoder, NS_IBASICDECODER_IID)
 class nsIBasicEncoder : public nsISupports {
 public:
   NS_DECLARE_STATIC_IID_ACCESSOR(NS_IBASICENCODER_IID)
 };
 NS_DEFINE_STATIC_IID_ACCESSOR(nsIBasicEncoder, NS_IBASICENCODER_IID)
 #endif
 //----------------------------------------------------------------------
 // Class nsBasicDecoderSupport [declaration]
 /**
  * Support class for the Unicode decoders.
  *
  * The class source files for this class are in /ucvlatin/nsUCvJaSupport.
  * However, because these objects requires non-xpcom subclassing, local copies
  * will be made into the other directories using them. Just don't forget to
  * keep in sync with the master copy!
  *
  * This class implements:
  * - nsISupports
  * - nsIUnicodeDecoder
  *
  * @created         19/Apr/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsBasicDecoderSupport : public nsIUnicodeDecoder
 #ifdef DEBUG
                               ,public nsIBasicDecoder
 #endif
 {
   NS_DECL_THREADSAFE_ISUPPORTS
 public:
   /**
    * Class constructor.
    */
   nsBasicDecoderSupport();
   /**
    * Class destructor.
    */
   virtual ~nsBasicDecoderSupport();
   //--------------------------------------------------------------------
   // Interface nsIUnicodeDecoder [declaration]
   virtual void SetInputErrorBehavior(int32_t aBehavior);
   virtual char16_t GetCharacterForUnMapped();
 protected:
   int32_t   mErrBehavior;
 };
 //----------------------------------------------------------------------
 // Class nsBufferDecoderSupport [declaration]
 /**
  * Support class for the Unicode decoders.
  *
  * This class implements:
  * - the buffer management
  *
  * @created         15/Mar/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsBufferDecoderSupport : public nsBasicDecoderSupport
 {
 protected:
   /**
    * Internal buffer for partial conversions.
    */
   char *    mBuffer;
   int32_t   mBufferCapacity;
   int32_t   mBufferLength;
   uint32_t  mMaxLengthFactor;
   /**
    * Convert method but *without* the buffer management stuff.
    */
   NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength,
       char16_t * aDest, int32_t * aDestLength) = 0;
   void FillBuffer(const char ** aSrc, int32_t aSrcLength);
 public:
   /**
    * Class constructor.
    */
   nsBufferDecoderSupport(uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsBufferDecoderSupport();
   //--------------------------------------------------------------------
   // Interface nsIUnicodeDecoder [declaration]
   NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
       char16_t * aDest, int32_t * aDestLength);
   NS_IMETHOD Reset();
   NS_IMETHOD GetMaxLength(const char *aSrc,
                           int32_t aSrcLength,
                           int32_t* aDestLength);
 };
 //----------------------------------------------------------------------
 // Class nsTableDecoderSupport [declaration]
 /**
  * Support class for a single-table-driven Unicode decoder.
  *
  * @created         15/Mar/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsTableDecoderSupport : public nsBufferDecoderSupport
 {
 public:
   /**
    * Class constructor.
    */
   nsTableDecoderSupport(uScanClassID aScanClass, uShiftInTable * aShiftInTable,
       uMappingTable * aMappingTable, uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsTableDecoderSupport();
 protected:
   uScanClassID              mScanClass;
   uShiftInTable             * mShiftInTable;
   uMappingTable             * mMappingTable;
   //--------------------------------------------------------------------
   // Subclassing of nsBufferDecoderSupport class [declaration]
   NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength,
       char16_t * aDest, int32_t * aDestLength);
 };
 //----------------------------------------------------------------------
 // Class nsMultiTableDecoderSupport [declaration]
 /**
  * Support class for a multi-table-driven Unicode decoder.
  *
  * @created         24/Mar/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsMultiTableDecoderSupport : public nsBufferDecoderSupport
 {
 public:
   /**
    * Class constructor.
    */
   nsMultiTableDecoderSupport(int32_t aTableCount, const uRange * aRangeArray,
                              uScanClassID * aScanClassArray,
                              uMappingTable ** aMappingTable,
                              uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsMultiTableDecoderSupport();
 protected:
   int32_t                   mTableCount;
   const uRange              * mRangeArray;
   uScanClassID              * mScanClassArray;
   uMappingTable             ** mMappingTable;
   //--------------------------------------------------------------------
   // Subclassing of nsBufferDecoderSupport class [declaration]
   NS_IMETHOD ConvertNoBuff(const char * aSrc, int32_t * aSrcLength,
       char16_t * aDest, int32_t * aDestLength);
 };
 //----------------------------------------------------------------------
 // Class nsBufferDecoderSupport [declaration]
 /**
  * Support class for a single-byte Unicode decoder.
  *
  * @created         19/Apr/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsOneByteDecoderSupport : public nsBasicDecoderSupport
 {
 public:
   /**
    * Class constructor.
    */
   nsOneByteDecoderSupport(uMappingTable * aMappingTable);
   /**
    * Class destructor.
    */
   virtual ~nsOneByteDecoderSupport();
 protected:
   uMappingTable             * mMappingTable;
   char16_t                 mFastTable[ONE_BYTE_TABLE_SIZE];
   bool                      mFastTableCreated;
   mozilla::Mutex            mFastTableMutex;
   //--------------------------------------------------------------------
   // Subclassing of nsBasicDecoderSupport class [declaration]
   NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
       char16_t * aDest, int32_t * aDestLength);
   NS_IMETHOD GetMaxLength(const char * aSrc, int32_t aSrcLength,
       int32_t * aDestLength);
   NS_IMETHOD Reset();
 };
 //----------------------------------------------------------------------
 // Class nsBasicEncoder [declaration]
 class nsBasicEncoder : public nsIUnicodeEncoder
 #ifdef DEBUG
                        ,public nsIBasicEncoder
 #endif
 {
   NS_DECL_ISUPPORTS
 public:
   /**
    * Class constructor.
    */
   nsBasicEncoder();
   /**
    * Class destructor.
    */
   virtual ~nsBasicEncoder();
 };
 //----------------------------------------------------------------------
 // Class nsEncoderSupport [declaration]
 /**
  * Support class for the Unicode encoders.
  *
  * This class implements:
  * - nsISupports
  * - the buffer management
  * - error handling procedure(s)
  *
  * @created         17/Feb/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsEncoderSupport :  public nsBasicEncoder
 {
 protected:
   /**
    * Internal buffer for partial conversions.
    */
   char *    mBuffer;
   int32_t   mBufferCapacity;
   char *    mBufferStart;
   char *    mBufferEnd;
   /**
    * Error handling stuff
    */
   int32_t   mErrBehavior;
   nsCOMPtr<nsIUnicharEncoder> mErrEncoder;
   char16_t mErrChar;
   uint32_t  mMaxLengthFactor;
   /**
    * Convert method but *without* the buffer management stuff and *with*
    * error handling stuff.
    */
   NS_IMETHOD ConvertNoBuff(const char16_t * aSrc, int32_t * aSrcLength,
       char * aDest, int32_t * aDestLength);
   /**
    * Convert method but *without* the buffer management stuff and *without*
    * error handling stuff.
    */
   NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength,
       char * aDest, int32_t * aDestLength) = 0;
   /**
    * Finish method but *without* the buffer management stuff.
    */
   NS_IMETHOD FinishNoBuff(char * aDest, int32_t * aDestLength);
   /**
    * Copy as much as possible from the internal buffer to the destination.
    */
   nsresult FlushBuffer(char ** aDest, const char * aDestEnd);
 public:
   /**
    * Class constructor.
    */
   nsEncoderSupport(uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsEncoderSupport();
   //--------------------------------------------------------------------
   // Interface nsIUnicodeEncoder [declaration]
   NS_IMETHOD Convert(const char16_t * aSrc, int32_t * aSrcLength,
       char * aDest, int32_t * aDestLength);
   NS_IMETHOD Finish(char * aDest, int32_t * aDestLength);
   NS_IMETHOD Reset();
   NS_IMETHOD SetOutputErrorBehavior(int32_t aBehavior,
       nsIUnicharEncoder * aEncoder, char16_t aChar);
   NS_IMETHOD GetMaxLength(const char16_t * aSrc,
                           int32_t aSrcLength,
                           int32_t * aDestLength);
 };
 //----------------------------------------------------------------------
 // Class nsTableEncoderSupport [declaration]
 /**
  * Support class for a single-table-driven Unicode encoder.
  *
  * @created         17/Feb/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsTableEncoderSupport : public nsEncoderSupport
 {
 public:
   /**
    * Class constructors.
    */
   nsTableEncoderSupport(uScanClassID  aScanClass,
                         uShiftOutTable * aShiftOutTable,
                         uMappingTable  * aMappingTable,
                         uint32_t aMaxLengthFactor);
   nsTableEncoderSupport(uScanClassID  aScanClass,
                         uMappingTable  * aMappingTable,
                         uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsTableEncoderSupport();
 protected:
   uScanClassID              mScanClass;
   uShiftOutTable            * mShiftOutTable;
   uMappingTable             * mMappingTable;
   //--------------------------------------------------------------------
   // Subclassing of nsEncoderSupport class [declaration]
   NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength,
       char * aDest, int32_t * aDestLength);
 };
 //----------------------------------------------------------------------
 // Class nsMultiTableEncoderSupport [declaration]
 /**
  * Support class for a multi-table-driven Unicode encoder.
  *
  * @created         11/Mar/1999
  * @author  Catalin Rotaru [CATA]
  */
 class nsMultiTableEncoderSupport : public nsEncoderSupport
 {
 public:
   /**
    * Class constructor.
    */
   nsMultiTableEncoderSupport(int32_t aTableCount,
                              uScanClassID * aScanClassArray,
                              uShiftOutTable ** aShiftOutTable,
                              uMappingTable  ** aMappingTable,
                              uint32_t aMaxLengthFactor);
   /**
    * Class destructor.
    */
   virtual ~nsMultiTableEncoderSupport();
 protected:
   int32_t                   mTableCount;
   uScanClassID              * mScanClassArray;
   uShiftOutTable            ** mShiftOutTable;
   uMappingTable             ** mMappingTable;
   //--------------------------------------------------------------------
   // Subclassing of nsEncoderSupport class [declaration]
   NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength,
       char * aDest, int32_t * aDestLength);
 };
 #endif /* nsUCvJaSupport_h___ */

The Tor Browser / annotate

intl/uconv/public/nsUCSupport.h@fc2d59ddac77 (annotated)

intl/uconv/public/nsUCSupport.h