diff options
Diffstat (limited to 'comm/mailnews/import/src/nsImportTranslator.h')
-rw-r--r-- | comm/mailnews/import/src/nsImportTranslator.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/comm/mailnews/import/src/nsImportTranslator.h b/comm/mailnews/import/src/nsImportTranslator.h new file mode 100644 index 0000000000..c475700ad6 --- /dev/null +++ b/comm/mailnews/import/src/nsImportTranslator.h @@ -0,0 +1,87 @@ +/* -*- 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__ */ |