| Index: chrome/browser/net/bit_stream_reader.cc
|
| diff --git a/chrome/browser/net/bit_stream_reader.cc b/chrome/browser/net/bit_stream_reader.cc
|
| deleted file mode 100644
|
| index 9e9f0aaf8d2eccc144be12f8eafa04acbf04d7d6..0000000000000000000000000000000000000000
|
| --- a/chrome/browser/net/bit_stream_reader.cc
|
| +++ /dev/null
|
| @@ -1,63 +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.
|
| -
|
| -#include "chrome/browser/net/bit_stream_reader.h"
|
| -
|
| -#include "base/big_endian.h"
|
| -#include "base/logging.h"
|
| -#include "base/numerics/safe_conversions.h"
|
| -
|
| -namespace internal {
|
| -
|
| -BitStreamReader::BitStreamReader(const base::StringPiece& source)
|
| - : source_(source), current_byte_(0), current_bit_(7) {
|
| - DCHECK_LT(source_.length(), UINT32_MAX);
|
| -}
|
| -
|
| -bool BitStreamReader::ReadUnaryEncoding(uint64_t* out) {
|
| - if (BitsLeft() == 0)
|
| - return false;
|
| -
|
| - *out = 0;
|
| - while ((BitsLeft() > 0) && ReadBit())
|
| - ++(*out);
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool BitStreamReader::ReadBits(uint8_t num_bits, uint64_t* out) {
|
| - DCHECK_LE(num_bits, 64);
|
| -
|
| - if (BitsLeft() < num_bits)
|
| - return false;
|
| -
|
| - *out = 0;
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| - for (uint8_t i = 0; i < num_bits; ++i)
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| - (*out) |= (static_cast<uint64_t>(ReadBit()) << (num_bits - (i + 1)));
|
| -
|
| - return true;
|
| -}
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| -
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| -uint64_t BitStreamReader::BitsLeft() const {
|
| - if (current_byte_ == source_.length())
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| - return 0;
|
| - DCHECK_GT(source_.length(), current_byte_);
|
| - return (source_.length() - (current_byte_ + 1)) * 8 + current_bit_ + 1;
|
| -}
|
| -
|
| -uint8_t BitStreamReader::ReadBit() {
|
| - DCHECK_GT(BitsLeft(), 0u);
|
| - DCHECK(current_bit_ < 8 && current_bit_ >= 0);
|
| - uint8_t res =
|
| - (source_.data()[current_byte_] & (1 << current_bit_)) >> current_bit_;
|
| - current_bit_--;
|
| - if (current_bit_ < 0) {
|
| - current_byte_++;
|
| - current_bit_ = 7;
|
| - }
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| -
|
| - return res;
|
| -}
|
| -
|
| -} // namespace internal
|
|
|