Remove //net (except for Android test stuff) and sdch

net/spdy/hpack_header_table.h

-// 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 NET_SPDY_HPACK_HEADER_TABLE_H_
-#define NET_SPDY_HPACK_HEADER_TABLE_H_
-
-#include <cstddef>
-#include <deque>
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/macros.h"
-#include "net/base/net_export.h"
-#include "net/spdy/hpack_entry.h"
-
-// All section references below are to
-// http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-08
-
-namespace net {
-
-using base::StringPiece;
-
-namespace test {
-class HpackHeaderTablePeer;
-}  // namespace test
-
-// A data structure for the static table (3.3.1) and the header table (3.3.2).
-class NET_EXPORT_PRIVATE HpackHeaderTable {
- public:
-  friend class test::HpackHeaderTablePeer;
-
-  // HpackHeaderTable takes advantage of the deque property that references
-  // remain valid, so long as insertions & deletions are at the head & tail.
-  // If this changes (eg we start to drop entries from the middle of the table),
-  // this needs to be a std::list, in which case |*_index_| can be trivially
-  // extended to map to list iterators.
-  typedef std::deque<HpackEntry> EntryTable;
-
-  // Implements a total ordering of HpackEntry on name(), value(), then index
-  // ascending. Note that index may change over the lifetime of an HpackEntry,
-  // but the relative index order of two entries will not. This comparator is
-  // composed with the 'lookup' HpackEntry constructor to allow for efficient
-  // lower-bounding of matching entries.
-  struct NET_EXPORT_PRIVATE EntryComparator {
-    bool operator() (const HpackEntry* lhs, const HpackEntry* rhs) const;
-  };
-  typedef std::set<HpackEntry*, EntryComparator> OrderedEntrySet;
-
-  HpackHeaderTable();
-
-  ~HpackHeaderTable();
-
-  // Last-aknowledged value of SETTINGS_HEADER_TABLE_SIZE.
-  size_t settings_size_bound() { return settings_size_bound_; }
-
-  // Current and maximum estimated byte size of the table, as described in
-  // 5.1. Notably, this is /not/ the number of entries in the table.
-  size_t size() const { return size_; }
-  size_t max_size() const { return max_size_; }
-
-  // Returns the entry matching the index, or NULL.
-  const HpackEntry* GetByIndex(size_t index);
-
-  // Returns the lowest-value entry having |name|, or NULL.
-  const HpackEntry* GetByName(StringPiece name);
-
-  // Returns the lowest-index matching entry, or NULL.
-  const HpackEntry* GetByNameAndValue(StringPiece name, StringPiece value);
-
-  // Returns the index of an entry within this header table.
-  size_t IndexOf(const HpackEntry* entry) const;
-
-  // Sets the maximum size of the header table, evicting entries if
-  // necessary as described in 5.2.
-  void SetMaxSize(size_t max_size);
-
-  // Sets the SETTINGS_HEADER_TABLE_SIZE bound of the table. Will call
-  // SetMaxSize() as needed to preserve max_size() <= settings_size_bound().
-  void SetSettingsHeaderTableSize(size_t settings_size);
-
-  // Determine the set of entries which would be evicted by the insertion
-  // of |name| & |value| into the table, as per section 3.3.3. No eviction
-  // actually occurs. The set is returned via range [begin_out, end_out).
-  void EvictionSet(StringPiece name,
-                   StringPiece value,
-                   EntryTable::iterator* begin_out,
-                   EntryTable::iterator* end_out);
-
-  // Adds an entry for the representation, evicting entries as needed. |name|
-  // and |value| must not be owned by an entry which could be evicted. The
-  // added HpackEntry is returned, or NULL is returned if all entries were
-  // evicted and the empty table is of insufficent size for the representation.
-  const HpackEntry* TryAddEntry(StringPiece name, StringPiece value);
-
-  void DebugLogTableState() const;
-
- private:
-  // Returns number of evictions required to enter |name| & |value|.
-  size_t EvictionCountForEntry(StringPiece name, StringPiece value) const;
-
-  // Returns number of evictions required to reclaim |reclaim_size| table size.
-  size_t EvictionCountToReclaim(size_t reclaim_size) const;
-
-  // Evicts |count| oldest entries from the table.
-  void Evict(size_t count);
-
-  // |static_entries_| and |static_index_| are owned by HpackStaticTable
-  // singleton.
-  const EntryTable& static_entries_;
-  EntryTable dynamic_entries_;
-
-  const OrderedEntrySet& static_index_;
-  OrderedEntrySet dynamic_index_;
-
-  // Last acknowledged value for SETTINGS_HEADER_TABLE_SIZE.
-  size_t settings_size_bound_;
-
-  // Estimated current and maximum byte size of the table.
-  // |max_size_| <= |settings_header_table_size_|
-  size_t size_;
-  size_t max_size_;
-
-  // Total number of table insertions which have occurred. Referenced by
-  // IndexOf() for determination of an HpackEntry's table index.
-  size_t total_insertions_;
-
-  DISALLOW_COPY_AND_ASSIGN(HpackHeaderTable);
-};
-
-}  // namespace net
-
-#endif  // NET_SPDY_HPACK_HEADER_TABLE_H_