mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-10 18:00:15 +01:00
481 lines
13 KiB
C++
481 lines
13 KiB
C++
/* -*- 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 "nsIUnicodeEncodeHelper.h"
|
|
#include "nsIUnicodeDecodeHelper.h"
|
|
#include "nsICharRepresentable.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_DEFINE_STATIC_IID_ACCESSOR(NS_IBASICDECODER_IID);
|
|
};
|
|
|
|
class nsIBasicEncoder : public nsISupports {
|
|
public:
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(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]
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
// 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(uShiftTable * aShiftTable,
|
|
uMappingTable * aMappingTable, PRUint32 aMaxLengthFactor);
|
|
|
|
/**
|
|
* Class destructor.
|
|
*/
|
|
virtual ~nsTableDecoderSupport();
|
|
|
|
protected:
|
|
|
|
nsIUnicodeDecodeHelper * mHelper; // decoder helper object
|
|
uShiftTable * mShiftTable;
|
|
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,
|
|
uShiftTable ** aShiftTable,
|
|
uMappingTable ** aMappingTable,
|
|
PRUint32 aMaxLengthFactor);
|
|
|
|
/**
|
|
* Class destructor.
|
|
*/
|
|
virtual ~nsMultiTableDecoderSupport();
|
|
|
|
protected:
|
|
|
|
nsIUnicodeDecodeHelper * mHelper; // decoder helper object
|
|
PRInt32 mTableCount;
|
|
const uRange * mRangeArray;
|
|
uShiftTable ** mShiftTable;
|
|
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(uShiftTable * aShiftTable,
|
|
uMappingTable * aMappingTable);
|
|
|
|
/**
|
|
* Class destructor.
|
|
*/
|
|
virtual ~nsOneByteDecoderSupport();
|
|
|
|
protected:
|
|
|
|
nsIUnicodeDecodeHelper * mHelper; // decoder helper object
|
|
uShiftTable * mShiftTable;
|
|
uMappingTable * mMappingTable;
|
|
PRUnichar mFastTable[ONE_BYTE_TABLE_SIZE];
|
|
|
|
//--------------------------------------------------------------------
|
|
// 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<nsIUnicharEncoder> 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 constructor.
|
|
*/
|
|
nsTableEncoderSupport(uShiftTable * aShiftTable,
|
|
uMappingTable * aMappingTable,
|
|
PRUint32 aMaxLengthFactor);
|
|
|
|
/**
|
|
* Class destructor.
|
|
*/
|
|
virtual ~nsTableEncoderSupport();
|
|
NS_IMETHOD FillInfo( PRUint32 *aInfo);
|
|
|
|
protected:
|
|
|
|
nsIUnicodeEncodeHelper * mHelper; // encoder helper object
|
|
uShiftTable * mShiftTable;
|
|
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,
|
|
uShiftTable ** aShiftTable,
|
|
uMappingTable ** aMappingTable,
|
|
PRUint32 aMaxLengthFactor);
|
|
|
|
/**
|
|
* Class destructor.
|
|
*/
|
|
virtual ~nsMultiTableEncoderSupport();
|
|
NS_IMETHOD FillInfo( PRUint32 *aInfo);
|
|
|
|
protected:
|
|
|
|
nsIUnicodeEncodeHelper * mHelper; // encoder helper object
|
|
PRInt32 mTableCount;
|
|
uShiftTable ** mShiftTable;
|
|
uMappingTable ** mMappingTable;
|
|
|
|
//--------------------------------------------------------------------
|
|
// Subclassing of nsEncoderSupport class [declaration]
|
|
|
|
NS_IMETHOD ConvertNoBuffNoErr(const PRUnichar * aSrc, PRInt32 * aSrcLength,
|
|
char * aDest, PRInt32 * aDestLength);
|
|
};
|
|
|
|
|
|
#endif /* nsUCvJaSupport_h___ */
|