/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is Mozilla Communicator client code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #ifndef nsUCvJaSupport_h___ #define nsUCvJaSupport_h___ #include "nsCOMPtr.h" #include "nsIUnicodeEncoder.h" #include "nsIUnicodeDecoder.h" #include "nsICharRepresentable.h" #include "uconvutil.h" #define ONE_BYTE_TABLE_SIZE 256 #ifdef NS_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 NS_DEBUG ,public nsIBasicDecoder #endif { NS_DECL_ISUPPORTS public: /** * Class constructor. */ nsBasicDecoderSupport(); /** * Class destructor. */ virtual ~nsBasicDecoderSupport(); //-------------------------------------------------------------------- // Interface nsIUnicodeDecoder [declaration] virtual void SetInputErrorBehavior(PRInt32 aBehavior); virtual PRUnichar GetCharacterForUnMapped(); protected: PRInt32 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; PRInt32 mBufferCapacity; PRInt32 mBufferLength; PRUint32 mMaxLengthFactor; /** * Convert method but *without* the buffer management stuff. */ NS_IMETHOD ConvertNoBuff(const char * aSrc, PRInt32 * aSrcLength, PRUnichar * aDest, PRInt32 * aDestLength) = 0; void FillBuffer(const char ** aSrc, PRInt32 aSrcLength); void DoubleBuffer(); public: /** * Class constructor. */ nsBufferDecoderSupport(PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsBufferDecoderSupport(); //-------------------------------------------------------------------- // Interface nsIUnicodeDecoder [declaration] NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength, PRUnichar * aDest, PRInt32 * aDestLength); NS_IMETHOD Reset(); NS_IMETHOD GetMaxLength(const char *aSrc, PRInt32 aSrcLength, PRInt32* 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, PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsTableDecoderSupport(); protected: uScanClassID mScanClass; uShiftInTable * mShiftInTable; uMappingTable * mMappingTable; //-------------------------------------------------------------------- // Subclassing of nsBufferDecoderSupport class [declaration] NS_IMETHOD ConvertNoBuff(const char * aSrc, PRInt32 * aSrcLength, PRUnichar * aDest, PRInt32 * 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(PRInt32 aTableCount, const uRange * aRangeArray, uScanClassID * aScanClassArray, uMappingTable ** aMappingTable, PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsMultiTableDecoderSupport(); protected: PRInt32 mTableCount; const uRange * mRangeArray; uScanClassID * mScanClassArray; uMappingTable ** mMappingTable; //-------------------------------------------------------------------- // Subclassing of nsBufferDecoderSupport class [declaration] NS_IMETHOD ConvertNoBuff(const char * aSrc, PRInt32 * aSrcLength, PRUnichar * aDest, PRInt32 * 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; PRUnichar mFastTable[ONE_BYTE_TABLE_SIZE]; PRBool mFastTableCreated; //-------------------------------------------------------------------- // Subclassing of nsBasicDecoderSupport class [declaration] NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength, PRUnichar * aDest, PRInt32 * aDestLength); NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength, PRInt32 * aDestLength); NS_IMETHOD Reset(); }; //---------------------------------------------------------------------- // Class nsBasicEncoder [declaration] class nsBasicEncoder : public nsIUnicodeEncoder, public nsICharRepresentable #ifdef NS_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; PRInt32 mBufferCapacity; char * mBufferStart; char * mBufferEnd; /** * Error handling stuff */ PRInt32 mErrBehavior; nsCOMPtr mErrEncoder; PRUnichar mErrChar; PRUint32 mMaxLengthFactor; /** * Convert method but *without* the buffer management stuff and *with* * error handling stuff. */ NS_IMETHOD ConvertNoBuff(const PRUnichar * aSrc, PRInt32 * aSrcLength, char * aDest, PRInt32 * aDestLength); /** * Convert method but *without* the buffer management stuff and *without* * error handling stuff. */ NS_IMETHOD ConvertNoBuffNoErr(const PRUnichar * aSrc, PRInt32 * aSrcLength, char * aDest, PRInt32 * aDestLength) = 0; /** * Finish method but *without* the buffer management stuff. */ NS_IMETHOD FinishNoBuff(char * aDest, PRInt32 * aDestLength); /** * Copy as much as possible from the internal buffer to the destination. */ nsresult FlushBuffer(char ** aDest, const char * aDestEnd); public: /** * Class constructor. */ nsEncoderSupport(PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsEncoderSupport(); //-------------------------------------------------------------------- // Interface nsIUnicodeEncoder [declaration] NS_IMETHOD Convert(const PRUnichar * aSrc, PRInt32 * aSrcLength, char * aDest, PRInt32 * aDestLength); NS_IMETHOD Finish(char * aDest, PRInt32 * aDestLength); NS_IMETHOD Reset(); NS_IMETHOD SetOutputErrorBehavior(PRInt32 aBehavior, nsIUnicharEncoder * aEncoder, PRUnichar aChar); NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength, PRInt32 * aDestLength); //-------------------------------------------------------------------- // Interface nsICharRepresentable [declaration] NS_IMETHOD FillInfo(PRUint32 *aInfo) = 0; }; //---------------------------------------------------------------------- // 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, PRUint32 aMaxLengthFactor); nsTableEncoderSupport(uScanClassID aScanClass, uMappingTable * aMappingTable, PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsTableEncoderSupport(); NS_IMETHOD FillInfo( PRUint32 *aInfo); protected: uScanClassID mScanClass; uShiftOutTable * mShiftOutTable; uMappingTable * mMappingTable; //-------------------------------------------------------------------- // Subclassing of nsEncoderSupport class [declaration] NS_IMETHOD ConvertNoBuffNoErr(const PRUnichar * aSrc, PRInt32 * aSrcLength, char * aDest, PRInt32 * 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(PRInt32 aTableCount, uScanClassID * aScanClassArray, uShiftOutTable ** aShiftOutTable, uMappingTable ** aMappingTable, PRUint32 aMaxLengthFactor); /** * Class destructor. */ virtual ~nsMultiTableEncoderSupport(); NS_IMETHOD FillInfo( PRUint32 *aInfo); protected: PRInt32 mTableCount; uScanClassID * mScanClassArray; uShiftOutTable ** mShiftOutTable; uMappingTable ** mMappingTable; //-------------------------------------------------------------------- // Subclassing of nsEncoderSupport class [declaration] NS_IMETHOD ConvertNoBuffNoErr(const PRUnichar * aSrc, PRInt32 * aSrcLength, char * aDest, PRInt32 * aDestLength); }; #endif /* nsUCvJaSupport_h___ */