1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/mtransport/databuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,47 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +// Original author: ekr@rtfm.com
1.11 +
1.12 +#ifndef databuffer_h__
1.13 +#define databuffer_h__
1.14 +#include <algorithm>
1.15 +#include <mozilla/Scoped.h>
1.16 +#include <m_cpp_utils.h>
1.17 +#include <nsISupportsImpl.h>
1.18 +
1.19 +namespace mozilla {
1.20 +
1.21 +class DataBuffer {
1.22 + public:
1.23 + DataBuffer() : data_(nullptr), len_(0) {}
1.24 + DataBuffer(const uint8_t *data, size_t len) {
1.25 + Assign(data, len);
1.26 + }
1.27 +
1.28 + void Assign(const uint8_t *data, size_t len) {
1.29 + data_ = new unsigned char[ len ? len : 1]; // Don't depend on new [0].
1.30 + memcpy(static_cast<void *>(data_.get()),
1.31 + static_cast<const void *>(data), len);
1.32 + len_ = len;
1.33 + }
1.34 +
1.35 + const uint8_t *data() const { return data_; }
1.36 + size_t len() const { return len_; }
1.37 + const bool empty() const { return len_ != 0; }
1.38 +
1.39 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(DataBuffer)
1.40 +
1.41 +private:
1.42 + ScopedDeleteArray<uint8_t> data_;
1.43 + size_t len_;
1.44 +
1.45 + DISALLOW_COPY_ASSIGN(DataBuffer);
1.46 +};
1.47 +
1.48 +}
1.49 +
1.50 +#endif
