1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef QUICHE_SPDY_CORE_HPACK_HPACK_STATIC_TABLE_H_ 6 #define QUICHE_SPDY_CORE_HPACK_HPACK_STATIC_TABLE_H_ 7 8 #include "quiche/common/platform/api/quiche_export.h" 9 #include "quiche/spdy/core/hpack/hpack_header_table.h" 10 11 namespace spdy { 12 13 struct HpackStaticEntry; 14 15 // Number of entries in the HPACK static table. 16 constexpr size_t kStaticTableSize = 61; 17 18 // HpackStaticTable provides |static_entries_| and |static_index_| for HPACK 19 // encoding and decoding contexts. Once initialized, an instance is read only 20 // and may be accessed only through its const interface. Such an instance may 21 // be shared accross multiple HPACK contexts. 22 class QUICHE_EXPORT HpackStaticTable { 23 public: 24 HpackStaticTable(); 25 ~HpackStaticTable(); 26 27 // Prepares HpackStaticTable by filling up static_entries_ and static_index_ 28 // from an array of struct HpackStaticEntry. Must be called exactly once. 29 void Initialize(const HpackStaticEntry* static_entry_table, 30 size_t static_entry_count); 31 32 // Returns whether Initialize() has been called. 33 bool IsInitialized() const; 34 35 // Accessors. GetStaticEntries()36 const HpackHeaderTable::StaticEntryTable& GetStaticEntries() const { 37 return static_entries_; 38 } GetStaticIndex()39 const HpackHeaderTable::NameValueToEntryMap& GetStaticIndex() const { 40 return static_index_; 41 } GetStaticNameIndex()42 const HpackHeaderTable::NameToEntryMap& GetStaticNameIndex() const { 43 return static_name_index_; 44 } 45 46 private: 47 HpackHeaderTable::StaticEntryTable static_entries_; 48 // The following two members have string_views that point to strings stored in 49 // |static_entries_|. 50 HpackHeaderTable::NameValueToEntryMap static_index_; 51 HpackHeaderTable::NameToEntryMap static_name_index_; 52 }; 53 54 } // namespace spdy 55 56 #endif // QUICHE_SPDY_CORE_HPACK_HPACK_STATIC_TABLE_H_ 57