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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 nsImportTranslator_h___
#define nsImportTranslator_h___
#include "mozilla/Attributes.h"
#include "nscore.h"
#include "nsStringGlue.h"
#include "nsCOMPtr.h"
class ImportOutFile;
class UMimeEncode {
public:
static uint32_t GetBufferSize(uint32_t inByes);
static uint32_t ConvertBuffer(const uint8_t * pIn, uint32_t inLen, uint8_t *pOut, uint32_t maxLen = 72, uint32_t firstLineLen = 72, const char * pEolStr = nullptr);
};
class nsImportTranslator {
public:
virtual ~nsImportTranslator() {}
virtual bool Supports8bitEncoding(void) { return false;}
virtual uint32_t GetMaxBufferSize(uint32_t inLen) { return inLen + 1;}
virtual void ConvertBuffer(const uint8_t * pIn, uint32_t inLen, uint8_t * pOut) { memcpy(pOut, pIn, inLen); pOut[inLen] = 0;}
virtual bool ConvertToFile(const uint8_t * pIn, uint32_t inLen, ImportOutFile *pOutFile, uint32_t *pProcessed = nullptr);
virtual bool FinishConvertToFile(ImportOutFile * /* pOutFile */) { return true;}
virtual void GetCharset(nsCString& charSet) { charSet = "us-ascii";}
virtual void GetLanguage(nsCString& lang) { lang = "en";}
virtual void GetEncoding(nsCString& encoding) { encoding.Truncate();}
};
// Specialized encoder, not a vaild language translator, used for Mime headers.
// rfc2231
class CMHTranslator : public nsImportTranslator {
public:
virtual uint32_t GetMaxBufferSize(uint32_t inLen) override { return (inLen * 3) + 1;}
virtual void ConvertBuffer(const uint8_t * pIn, uint32_t inLen, uint8_t * pOut) override;
virtual bool ConvertToFile(const uint8_t * pIn, uint32_t inLen, ImportOutFile *pOutFile, uint32_t *pProcessed = nullptr) override;
};
// Specialized encoder, not a vaild language translator, used for mail headers
// rfc2047
class C2047Translator : public nsImportTranslator {
public:
virtual ~C2047Translator() {}
C2047Translator(const char *pCharset, uint32_t headerLen) { m_charset = pCharset; m_startLen = headerLen; m_useQuotedPrintable = false;}
void SetUseQuotedPrintable(void) { m_useQuotedPrintable = true;}
virtual bool ConvertToFile(const uint8_t * pIn, uint32_t inLen, ImportOutFile *pOutFile, uint32_t *pProcessed = nullptr) override;
bool ConvertToFileQ(const uint8_t * pIn, uint32_t inLen, ImportOutFile *pOutFile, uint32_t *pProcessed);
protected:
bool m_useQuotedPrintable;
nsCString m_charset;
uint32_t m_startLen;
};
#endif /* nsImportTranslator_h__ */
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