Index: chrome/browser/net/bit_stream_reader.h |
diff --git a/chrome/browser/net/bit_stream_reader.h b/chrome/browser/net/bit_stream_reader.h |
deleted file mode 100644 |
index 28efef300cf47956138a40c45f7a214b2d31bb7b..0000000000000000000000000000000000000000 |
--- a/chrome/browser/net/bit_stream_reader.h |
+++ /dev/null |
@@ -1,58 +0,0 @@ |
-// Copyright 2014 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 CHROME_BROWSER_NET_BIT_STREAM_READER_H_ |
-#define CHROME_BROWSER_NET_BIT_STREAM_READER_H_ |
- |
-#include <stdint.h> |
- |
-#include "base/strings/string_piece.h" |
- |
-namespace internal { |
- |
-// A class for reading individual bits from a packed buffer. Bits are read |
-// MSB-first from the stream. |
-// It is limited to 64-bit reads, 4GB streams and is inefficient as a design |
-// choice. This class should not be used frequently. |
-// |
-// It is meant for data that is is packed across bytes, necessitating the need |
-// to read a variable number of bits across a byte boundary. |
-class BitStreamReader { |
- public: |
- explicit BitStreamReader(const base::StringPiece& source); |
- |
- // Reads unary-encoded number into |out|. Returns true if |
- // there was at least one bit to read, false otherwise. |
- bool ReadUnaryEncoding(uint64_t* out); |
- |
- // Reads |num_bits| (up to 64) into |out|. |out| is filled from the MSB to the |
- // LSB. If |num_bits| is less than 64, the most significant |64 - num_bits| |
- // bits are unused and left as zeros. Returns true if the stream had the |
- // requested |num_bits|, false otherwise. |
- bool ReadBits(uint8_t num_bits, uint64_t* out); |
- |
- // Returns the number of bits left in the stream. |
- uint64_t BitsLeft() const; |
- |
- private: |
- // Reads a single bit. Within a byte, the bits are read from the MSB to the |
- // LSB. |
- uint8_t ReadBit(); |
- |
- const base::StringPiece source_; |
- |
- // Index of the byte currently being read from. |
- size_t current_byte_; |
- |
- // Index of the last bit read within |current_byte_|. Since bits are read |
- // from the MSB to the LSB, this value is initialized to 7 and decremented |
- // after each read. |
- int8 current_bit_; |
- |
- DISALLOW_COPY_AND_ASSIGN(BitStreamReader); |
-}; |
- |
-} // namespace internal |
- |
-#endif // CHROME_BROWSER_NET_BIT_STREAM_READER_H_ |