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-rw-r--r--mailnews/import/src/nsImportTranslator.h66
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diff --git a/mailnews/import/src/nsImportTranslator.h b/mailnews/import/src/nsImportTranslator.h
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+++ b/mailnews/import/src/nsImportTranslator.h
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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__ */
+