Move shared files in net/quic/ into net/quic/core/

net/quic/quic_data_writer.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef NET_QUIC_QUIC_DATA_WRITER_H_
-#define NET_QUIC_QUIC_DATA_WRITER_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <cstddef>
-#include <string>
-
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/strings/string_piece.h"
-#include "net/base/int128.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_protocol.h"
-
-namespace net {
-
-// This class provides facilities for packing QUIC data.
-//
-// The QuicDataWriter supports appending primitive values (int, string, etc)
-// to a frame instance.  The internal memory buffer is exposed as the "data"
-// of the QuicDataWriter.
-class NET_EXPORT_PRIVATE QuicDataWriter {
- public:
-  // Creates a QuicDataWriter where |buffer| is not owned.
-  QuicDataWriter(size_t size, char* buffer);
-
-  ~QuicDataWriter();
-
-  // Returns the size of the QuicDataWriter's data.
-  size_t length() const { return length_; }
-
-  // Retrieves the buffer from the QuicDataWriter without changing ownership.
-  char* data();
-
-  // Methods for adding to the payload.  These values are appended to the end
-  // of the QuicDataWriter payload. Note - binary integers are written in
-  // host byte order (little endian) not network byte order (big endian).
-  bool WriteUInt8(uint8_t value);
-  bool WriteUInt16(uint16_t value);
-  bool WriteUInt32(uint32_t value);
-  bool WriteUInt48(uint64_t value);
-  bool WriteUInt64(uint64_t value);
-  // Write unsigned floating point corresponding to the value. Large values are
-  // clamped to the maximum representable (kUFloat16MaxValue). Values that can
-  // not be represented directly are rounded down.
-  bool WriteUFloat16(uint64_t value);
-  bool WriteStringPiece16(base::StringPiece val);
-  bool WriteBytes(const void* data, size_t data_len);
-  bool WriteRepeatedByte(uint8_t byte, size_t count);
-  // Fills the remaining buffer with null characters.
-  void WritePadding();
-
-  size_t capacity() const { return capacity_; }
-
- private:
-  // Returns the location that the data should be written at, or nullptr if
-  // there is not enough room. Call EndWrite with the returned offset and the
-  // given length to pad out for the next write.
-  char* BeginWrite(size_t length);
-
-  char* buffer_;
-  size_t capacity_;  // Allocation size of payload (or -1 if buffer is const).
-  size_t length_;    // Current length of the buffer.
-
-  DISALLOW_COPY_AND_ASSIGN(QuicDataWriter);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_QUIC_DATA_WRITER_H_