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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 MimeEncoder_h__
#define MimeEncoder_h__
#include "nscore.h"
namespace mozilla {
namespace mailnews {
/// A class for encoding the bodies of MIME parts.
class MimeEncoder {
public:
virtual ~MimeEncoder() {}
/// A callback for writing the encoded output
typedef nsresult (*OutputCallback)
(const char *buf, int32_t size, void *closure);
/// Encodes the string in the buffer and sends it to the callback
virtual nsresult Write(const char *buffer, int32_t size) = 0;
/// Flush all pending data when no more data exists
virtual nsresult Flush() { return NS_OK; }
/// Get an encoder that outputs Base64-encoded data
static MimeEncoder *GetBase64Encoder(OutputCallback callback, void *closure);
/// Get an encoder that outputs quoted-printable data
static MimeEncoder *GetQPEncoder(OutputCallback callback, void *closure);
protected:
MimeEncoder(OutputCallback callback, void *closure);
OutputCallback mCallback;
void *mClosure;
uint32_t mCurrentColumn;
};
} // namespace mailnews
} // namespace mozilla
#endif
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