HPACK: encode :pseudo and indexed headers first.

net/spdy/hpack_output_stream.cc

 // 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 "net/spdy/hpack_output_stream.h"
 
 #include "base/logging.h"
 
 
 namespace net {
@@ skipping 31 matching lines @@
 void HpackOutputStream::AppendPrefix(HpackPrefix prefix) {
   AppendBits(prefix.bits, prefix.bit_size);
 }
 
 void HpackOutputStream::AppendBytes(StringPiece buffer) {
   DCHECK_EQ(bit_offset_, 0u);
   buffer_.append(buffer.data(), buffer.size());
 }
 
 void HpackOutputStream::AppendUint32(uint32 I) {
-  // The algorithm below is adapted from the pseudocode in 4.1.1.
+  // The algorithm below is adapted from the pseudocode in 6.1.
   size_t N = 8 - bit_offset_;
   uint8 max_first_byte = static_cast<uint8>((1 << N) - 1);
   if (I < max_first_byte) {
     AppendBits(static_cast<uint8>(I), N);
   } else {
     AppendBits(max_first_byte, N);
     I -= max_first_byte;
     while ((I & ~0x7f) != 0) {
       buffer_.append(1, (I & 0x7f) | 0x80);
       I >>= 7;
     }
     AppendBits(static_cast<uint8>(I), 8);
   }
 }
 
 void HpackOutputStream::TakeString(string* output) {
   // This must hold, since all public functions cause the buffer to
   // end on a byte boundary.
   DCHECK_EQ(bit_offset_, 0u);
   buffer_.swap(*output);
   buffer_.clear();
   bit_offset_ = 0;
 }
 
 }  // namespace net