Index: net/http2/hpack/tools/hpack_block_builder.cc |
diff --git a/net/http2/hpack/tools/hpack_block_builder.cc b/net/http2/hpack/tools/hpack_block_builder.cc |
deleted file mode 100644 |
index 49eba0d67195e5521cd1ea837c606f5eb8f1a553..0000000000000000000000000000000000000000 |
--- a/net/http2/hpack/tools/hpack_block_builder.cc |
+++ /dev/null |
@@ -1,84 +0,0 @@ |
-// Copyright 2016 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 "net/http2/hpack/tools/hpack_block_builder.h" |
- |
-#include "testing/gtest/include/gtest/gtest.h" |
- |
-namespace net { |
-namespace test { |
- |
-void HpackBlockBuilder::AppendHighBitsAndVarint(uint8_t high_bits, |
- uint8_t prefix_length, |
- uint64_t varint) { |
- EXPECT_LE(4, prefix_length); |
- EXPECT_LE(prefix_length, 7); |
- |
- // prefix_mask defines the sequence of low-order bits of the first byte |
- // that encode the prefix of the value. It is also the marker in those bits |
- // of the first byte indicating that at least one extension byte is needed. |
- uint8_t prefix_mask = (1 << prefix_length) - 1; |
- EXPECT_EQ(0, high_bits & prefix_mask); |
- |
- if (varint < prefix_mask) { |
- uint8_t b = high_bits | static_cast<uint8_t>(varint); |
- buffer_.push_back(static_cast<char>(b)); |
- return; |
- } |
- |
- // We need extension bytes. |
- buffer_.push_back(static_cast<char>(high_bits | prefix_mask)); |
- varint -= prefix_mask; |
- while (varint >= 128) { |
- uint8_t b = static_cast<uint8_t>((varint % 128) + 128); |
- buffer_.push_back(static_cast<char>(b)); |
- varint = varint / 128; |
- } |
- char c = static_cast<char>(varint); |
- buffer_.push_back(c); |
-} |
- |
-void HpackBlockBuilder::AppendEntryTypeAndVarint(HpackEntryType entry_type, |
- uint64_t varint) { |
- uint8_t high_bits; |
- uint8_t prefix_length; // Bits of the varint prefix in the first byte. |
- switch (entry_type) { |
- case HpackEntryType::kIndexedHeader: |
- high_bits = 0x80; |
- prefix_length = 7; |
- break; |
- case HpackEntryType::kDynamicTableSizeUpdate: |
- high_bits = 0x20; |
- prefix_length = 5; |
- break; |
- case HpackEntryType::kIndexedLiteralHeader: |
- high_bits = 0x40; |
- prefix_length = 6; |
- break; |
- case HpackEntryType::kUnindexedLiteralHeader: |
- high_bits = 0x00; |
- prefix_length = 4; |
- break; |
- case HpackEntryType::kNeverIndexedLiteralHeader: |
- high_bits = 0x10; |
- prefix_length = 4; |
- break; |
- default: |
- NOTREACHED(); |
- high_bits = 0; |
- prefix_length = 0; |
- } |
- AppendHighBitsAndVarint(high_bits, prefix_length, varint); |
-} |
- |
-void HpackBlockBuilder::AppendString(bool is_huffman_encoded, |
- base::StringPiece str) { |
- uint8_t high_bits = is_huffman_encoded ? 0x80 : 0; |
- uint8_t prefix_length = 7; |
- AppendHighBitsAndVarint(high_bits, prefix_length, str.size()); |
- str.AppendToString(&buffer_); |
-} |
- |
-} // namespace test |
-} // namespace net |