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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 "nsString.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 valid 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 valid 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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