Revert of Add new HTTP/2 and HPACK decoder in net/http2/.

net/http2/hpack/decoder/hpack_entry_collector.h

-// 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.
-
-#ifndef NET_HTTP2_HPACK_DECODER_HPACK_ENTRY_COLLECTOR_H_
-#define NET_HTTP2_HPACK_DECODER_HPACK_ENTRY_COLLECTOR_H_
-
-// HpackEntryCollector records calls to HpackEntryDecoderListener in support
-// of tests of HpackEntryDecoder, or which use it. Can only record the callbacks
-// for the decoding of a single entry; call Clear() between decoding successive
-// entries or use a distinct HpackEntryCollector for each entry.
-
-#include <stddef.h>
-
-#include <iosfwd>
-#include <string>
-
-#include "base/strings/string_piece.h"
-#include "net/http2/hpack/decoder/hpack_entry_decoder_listener.h"
-#include "net/http2/hpack/decoder/hpack_string_collector.h"
-#include "net/http2/hpack/http2_hpack_constants.h"
-#include "net/http2/hpack/tools/hpack_block_builder.h"
-
-namespace net {
-namespace test {
-
-class HpackEntryCollector : public HpackEntryDecoderListener {
- public:
-  HpackEntryCollector();
-  HpackEntryCollector(const HpackEntryCollector& other);
-
-  // These next three constructors are intended for use in tests that create
-  // an HpackEntryCollector "manually", and then compare it against another
-  // that is populated via calls to the HpackEntryDecoderListener methods.
-  HpackEntryCollector(HpackEntryType type, size_t index_or_size);
-  HpackEntryCollector(HpackEntryType type,
-                      size_t index,
-                      bool value_huffman,
-                      const std::string& value);
-  HpackEntryCollector(HpackEntryType type,
-                      bool name_huffman,
-                      const std::string& name,
-                      bool value_huffman,
-                      const std::string& value);
-
-  ~HpackEntryCollector() override;
-
-  // Methods defined by HpackEntryDecoderListener.
-  void OnIndexedHeader(size_t index) override;
-  void OnStartLiteralHeader(HpackEntryType header_type,
-                            size_t maybe_name_index) override;
-  void OnNameStart(bool huffman_encoded, size_t len) override;
-  void OnNameData(const char* data, size_t len) override;
-  void OnNameEnd() override;
-  void OnValueStart(bool huffman_encoded, size_t len) override;
-  void OnValueData(const char* data, size_t len) override;
-  void OnValueEnd() override;
-  void OnDynamicTableSizeUpdate(size_t size) override;
-
-  // Clears the fields of the collector so that it is ready to start collecting
-  // another HPACK block entry.
-  void Clear();
-
-  // Is the collector ready to start collecting another HPACK block entry.
-  bool IsClear() const;
-
-  // Has a complete entry been collected?
-  bool IsComplete() const;
-
-  // Based on the HpackEntryType, is a literal name expected?
-  bool LiteralNameExpected() const;
-
-  // Based on the HpackEntryType, is a literal value expected?
-  bool LiteralValueExpected() const;
-
-  // Returns success if collected an Indexed Header (i.e. OnIndexedHeader was
-  // called).
-  ::testing::AssertionResult ValidateIndexedHeader(size_t expected_index) const;
-
-  // Returns success if collected a Header with an indexed name and literal
-  // value (i.e. OnStartLiteralHeader was called with a non-zero index for
-  // the name, which must match expected_index).
-  ::testing::AssertionResult ValidateLiteralValueHeader(
-      HpackEntryType expected_type,
-      size_t expected_index,
-      bool expected_value_huffman,
-      base::StringPiece expected_value) const;
-
-  // Returns success if collected a Header with an literal name and literal
-  // value.
-  ::testing::AssertionResult ValidateLiteralNameValueHeader(
-      HpackEntryType expected_type,
-      bool expected_name_huffman,
-      base::StringPiece expected_name,
-      bool expected_value_huffman,
-      base::StringPiece expected_value) const;
-
-  // Returns success if collected a Dynamic Table Size Update,
-  // with the specified size.
-  ::testing::AssertionResult ValidateDynamicTableSizeUpdate(
-      size_t expected_size) const;
-
-  void set_header_type(HpackEntryType v) { header_type_ = v; }
-  HpackEntryType header_type() const { return header_type_; }
-
-  void set_index(size_t v) { index_ = v; }
-  size_t index() const { return index_; }
-
-  void set_name(const HpackStringCollector& v) { name_ = v; }
-  const HpackStringCollector& name() const { return name_; }
-
-  void set_value(const HpackStringCollector& v) { value_ = v; }
-  const HpackStringCollector& value() const { return value_; }
-
-  void set_started(bool v) { started_ = v; }
-  bool started() const { return started_; }
-
-  void set_ended(bool v) { ended_ = v; }
-  bool ended() const { return ended_; }
-
-  void AppendToHpackBlockBuilder(HpackBlockBuilder* hbb) const;
-
-  // Returns a debug string.
-  std::string ToString() const;
-
- private:
-  void Init(HpackEntryType type, size_t maybe_index);
-
-  HpackEntryType header_type_;
-  size_t index_;
-
-  HpackStringCollector name_;
-  HpackStringCollector value_;
-
-  // True if has received a call to an HpackEntryDecoderListener method
-  // indicating the start of decoding an HPACK entry; for example,
-  // OnIndexedHeader set it true, but OnNameStart does not change it.
-  bool started_ = false;
-
-  // True if has received a call to an HpackEntryDecoderListener method
-  // indicating the end of decoding an HPACK entry; for example,
-  // OnIndexedHeader and OnValueEnd both set it true, but OnNameEnd does
-  // not change it.
-  bool ended_ = false;
-};
-
-bool operator==(const HpackEntryCollector& a, const HpackEntryCollector& b);
-bool operator!=(const HpackEntryCollector& a, const HpackEntryCollector& b);
-std::ostream& operator<<(std::ostream& out, const HpackEntryCollector& v);
-
-}  // namespace test
-}  // namespace net
-
-#endif  // NET_HTTP2_HPACK_DECODER_HPACK_ENTRY_COLLECTOR_H_