gecko-dev/intl/uconv/nsUTF8ToUnicode.h

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2.1 KiB
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/* -*- 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 nsUTF8ToUnicode_h___
#define nsUTF8ToUnicode_h___
#include "nsUCSupport.h"
// Class ID for our UTF8ToUnicode charset converter
// {5534DDC0-DD96-11d2-8AAC-00600811A836}
#define NS_UTF8TOUNICODE_CID \
{ 0x5534ddc0, 0xdd96, 0x11d2, {0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36}}
#define NS_UTF8TOUNICODE_CONTRACTID "@mozilla.org/intl/unicode/decoder;1?charset=UTF-8"
//#define NS_ERROR_UCONV_NOUTF8TOUNICODE
// NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x31)
//----------------------------------------------------------------------
// Class nsUTF8ToUnicode [declaration]
/**
* A character set converter from UTF8 to Unicode.
*
* @created 18/Mar/1998
* @modified 04/Feb/2000
* @author Catalin Rotaru [CATA]
*/
class nsUTF8ToUnicode : public nsBasicDecoderSupport
{
public:
/**
* Class constructor.
*/
nsUTF8ToUnicode();
protected:
uint32_t mUcs4; // cached Unicode character
uint8_t mState; // cached expected number of bytes per UTF8 character sequence
uint8_t mBytes;
bool mFirst;
//--------------------------------------------------------------------
// Subclassing of nsDecoderSupport class [declaration]
MOZ_MUST_USE NS_IMETHOD GetMaxLength(const char* aSrc,
int32_t aSrcLength,
int32_t* aDestLength) override;
//--------------------------------------------------------------------
// Subclassing of nsBasicDecoderSupport class [declaration]
NS_IMETHOD Convert(const char * aSrc, int32_t * aSrcLength,
char16_t * aDest, int32_t * aDestLength) override;
//--------------------------------------------------------------------
// Subclassing of nsBasicDecoderSupport class [declaration]
NS_IMETHOD Reset() override;
};
#endif /* nsUTF8ToUnicode_h___ */