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// 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 "quiche/spdy/core/hpack/hpack_constants.h"
#include <vector>
#include "absl/base/macros.h"
#include "quiche/common/platform/api/quiche_logging.h"
#include "quiche/spdy/core/hpack/hpack_static_table.h"
namespace spdy {
// Produced by applying the python program [1] with tables provided by [2]
// (inserted into the source of the python program) and copy-paste them into
// this file.
//
// [1] net/tools/build_hpack_constants.py in Chromium
// [2] http://tools.ietf.org/html/draft-ietf-httpbis-header-compression-08
// HpackHuffmanSymbol entries are initialized as {code, length, id}.
// Codes are specified in the |length| most-significant bits of |code|.
const std::vector<HpackHuffmanSymbol>& HpackHuffmanCodeVector() {
static const auto* kHpackHuffmanCode = new std::vector<HpackHuffmanSymbol>{
{0xffc00000ul, 13, 0}, // 11111111|11000
{0xffffb000ul, 23, 1}, // 11111111|11111111|1011000
{0xfffffe20ul, 28, 2}, // 11111111|11111111|11111110|0010
{0xfffffe30ul, 28, 3}, // 11111111|11111111|11111110|0011
{0xfffffe40ul, 28, 4}, // 11111111|11111111|11111110|0100
{0xfffffe50ul, 28, 5}, // 11111111|11111111|11111110|0101
{0xfffffe60ul, 28, 6}, // 11111111|11111111|11111110|0110
{0xfffffe70ul, 28, 7}, // 11111111|11111111|11111110|0111
{0xfffffe80ul, 28, 8}, // 11111111|11111111|11111110|1000
{0xffffea00ul, 24, 9}, // 11111111|11111111|11101010
{0xfffffff0ul, 30, 10}, // 11111111|11111111|11111111|111100
{0xfffffe90ul, 28, 11}, // 11111111|11111111|11111110|1001
{0xfffffea0ul, 28, 12}, // 11111111|11111111|11111110|1010
{0xfffffff4ul, 30, 13}, // 11111111|11111111|11111111|111101
{0xfffffeb0ul, 28, 14}, // 11111111|11111111|11111110|1011
{0xfffffec0ul, 28, 15}, // 11111111|11111111|11111110|1100
{0xfffffed0ul, 28, 16}, // 11111111|11111111|11111110|1101
{0xfffffee0ul, 28, 17}, // 11111111|11111111|11111110|1110
{0xfffffef0ul, 28, 18}, // 11111111|11111111|11111110|1111
{0xffffff00ul, 28, 19}, // 11111111|11111111|11111111|0000
{0xffffff10ul, 28, 20}, // 11111111|11111111|11111111|0001
{0xffffff20ul, 28, 21}, // 11111111|11111111|11111111|0010
{0xfffffff8ul, 30, 22}, // 11111111|11111111|11111111|111110
{0xffffff30ul, 28, 23}, // 11111111|11111111|11111111|0011
{0xffffff40ul, 28, 24}, // 11111111|11111111|11111111|0100
{0xffffff50ul, 28, 25}, // 11111111|11111111|11111111|0101
{0xffffff60ul, 28, 26}, // 11111111|11111111|11111111|0110
{0xffffff70ul, 28, 27}, // 11111111|11111111|11111111|0111
{0xffffff80ul, 28, 28}, // 11111111|11111111|11111111|1000
{0xffffff90ul, 28, 29}, // 11111111|11111111|11111111|1001
{0xffffffa0ul, 28, 30}, // 11111111|11111111|11111111|1010
{0xffffffb0ul, 28, 31}, // 11111111|11111111|11111111|1011
{0x50000000ul, 6, 32}, // ' ' 010100
{0xfe000000ul, 10, 33}, // '!' 11111110|00
{0xfe400000ul, 10, 34}, // '"' 11111110|01
{0xffa00000ul, 12, 35}, // '#' 11111111|1010
{0xffc80000ul, 13, 36}, // '$' 11111111|11001
{0x54000000ul, 6, 37}, // '%' 010101
{0xf8000000ul, 8, 38}, // '&' 11111000
{0xff400000ul, 11, 39}, // ''' 11111111|010
{0xfe800000ul, 10, 40}, // '(' 11111110|10
{0xfec00000ul, 10, 41}, // ')' 11111110|11
{0xf9000000ul, 8, 42}, // '*' 11111001
{0xff600000ul, 11, 43}, // '+' 11111111|011
{0xfa000000ul, 8, 44}, // ',' 11111010
{0x58000000ul, 6, 45}, // '-' 010110
{0x5c000000ul, 6, 46}, // '.' 010111
{0x60000000ul, 6, 47}, // '/' 011000
{0x00000000ul, 5, 48}, // '0' 00000
{0x08000000ul, 5, 49}, // '1' 00001
{0x10000000ul, 5, 50}, // '2' 00010
{0x64000000ul, 6, 51}, // '3' 011001
{0x68000000ul, 6, 52}, // '4' 011010
{0x6c000000ul, 6, 53}, // '5' 011011
{0x70000000ul, 6, 54}, // '6' 011100
{0x74000000ul, 6, 55}, // '7' 011101
{0x78000000ul, 6, 56}, // '8' 011110
{0x7c000000ul, 6, 57}, // '9' 011111
{0xb8000000ul, 7, 58}, // ':' 1011100
{0xfb000000ul, 8, 59}, // ';' 11111011
{0xfff80000ul, 15, 60}, // '<' 11111111|1111100
{0x80000000ul, 6, 61}, // '=' 100000
{0xffb00000ul, 12, 62}, // '>' 11111111|1011
{0xff000000ul, 10, 63}, // '?' 11111111|00
{0xffd00000ul, 13, 64}, // '@' 11111111|11010
{0x84000000ul, 6, 65}, // 'A' 100001
{0xba000000ul, 7, 66}, // 'B' 1011101
{0xbc000000ul, 7, 67}, // 'C' 1011110
{0xbe000000ul, 7, 68}, // 'D' 1011111
{0xc0000000ul, 7, 69}, // 'E' 1100000
{0xc2000000ul, 7, 70}, // 'F' 1100001
{0xc4000000ul, 7, 71}, // 'G' 1100010
{0xc6000000ul, 7, 72}, // 'H' 1100011
{0xc8000000ul, 7, 73}, // 'I' 1100100
{0xca000000ul, 7, 74}, // 'J' 1100101
{0xcc000000ul, 7, 75}, // 'K' 1100110
{0xce000000ul, 7, 76}, // 'L' 1100111
{0xd0000000ul, 7, 77}, // 'M' 1101000
{0xd2000000ul, 7, 78}, // 'N' 1101001
{0xd4000000ul, 7, 79}, // 'O' 1101010
{0xd6000000ul, 7, 80}, // 'P' 1101011
{0xd8000000ul, 7, 81}, // 'Q' 1101100
{0xda000000ul, 7, 82}, // 'R' 1101101
{0xdc000000ul, 7, 83}, // 'S' 1101110
{0xde000000ul, 7, 84}, // 'T' 1101111
{0xe0000000ul, 7, 85}, // 'U' 1110000
{0xe2000000ul, 7, 86}, // 'V' 1110001
{0xe4000000ul, 7, 87}, // 'W' 1110010
{0xfc000000ul, 8, 88}, // 'X' 11111100
{0xe6000000ul, 7, 89}, // 'Y' 1110011
{0xfd000000ul, 8, 90}, // 'Z' 11111101
{0xffd80000ul, 13, 91}, // '[' 11111111|11011
{0xfffe0000ul, 19, 92}, // '\' 11111111|11111110|000
{0xffe00000ul, 13, 93}, // ']' 11111111|11100
{0xfff00000ul, 14, 94}, // '^' 11111111|111100
{0x88000000ul, 6, 95}, // '_' 100010
{0xfffa0000ul, 15, 96}, // '`' 11111111|1111101
{0x18000000ul, 5, 97}, // 'a' 00011
{0x8c000000ul, 6, 98}, // 'b' 100011
{0x20000000ul, 5, 99}, // 'c' 00100
{0x90000000ul, 6, 100}, // 'd' 100100
{0x28000000ul, 5, 101}, // 'e' 00101
{0x94000000ul, 6, 102}, // 'f' 100101
{0x98000000ul, 6, 103}, // 'g' 100110
{0x9c000000ul, 6, 104}, // 'h' 100111
{0x30000000ul, 5, 105}, // 'i' 00110
{0xe8000000ul, 7, 106}, // 'j' 1110100
{0xea000000ul, 7, 107}, // 'k' 1110101
{0xa0000000ul, 6, 108}, // 'l' 101000
{0xa4000000ul, 6, 109}, // 'm' 101001
{0xa8000000ul, 6, 110}, // 'n' 101010
{0x38000000ul, 5, 111}, // 'o' 00111
{0xac000000ul, 6, 112}, // 'p' 101011
{0xec000000ul, 7, 113}, // 'q' 1110110
{0xb0000000ul, 6, 114}, // 'r' 101100
{0x40000000ul, 5, 115}, // 's' 01000
{0x48000000ul, 5, 116}, // 't' 01001
{0xb4000000ul, 6, 117}, // 'u' 101101
{0xee000000ul, 7, 118}, // 'v' 1110111
{0xf0000000ul, 7, 119}, // 'w' 1111000
{0xf2000000ul, 7, 120}, // 'x' 1111001
{0xf4000000ul, 7, 121}, // 'y' 1111010
{0xf6000000ul, 7, 122}, // 'z' 1111011
{0xfffc0000ul, 15, 123}, // '{' 11111111|1111110
{0xff800000ul, 11, 124}, // '|' 11111111|100
{0xfff40000ul, 14, 125}, // '}' 11111111|111101
{0xffe80000ul, 13, 126}, // '~' 11111111|11101
{0xffffffc0ul, 28, 127}, // 11111111|11111111|11111111|1100
{0xfffe6000ul, 20, 128}, // 11111111|11111110|0110
{0xffff4800ul, 22, 129}, // 11111111|11111111|010010
{0xfffe7000ul, 20, 130}, // 11111111|11111110|0111
{0xfffe8000ul, 20, 131}, // 11111111|11111110|1000
{0xffff4c00ul, 22, 132}, // 11111111|11111111|010011
{0xffff5000ul, 22, 133}, // 11111111|11111111|010100
{0xffff5400ul, 22, 134}, // 11111111|11111111|010101
{0xffffb200ul, 23, 135}, // 11111111|11111111|1011001
{0xffff5800ul, 22, 136}, // 11111111|11111111|010110
{0xffffb400ul, 23, 137}, // 11111111|11111111|1011010
{0xffffb600ul, 23, 138}, // 11111111|11111111|1011011
{0xffffb800ul, 23, 139}, // 11111111|11111111|1011100
{0xffffba00ul, 23, 140}, // 11111111|11111111|1011101
{0xffffbc00ul, 23, 141}, // 11111111|11111111|1011110
{0xffffeb00ul, 24, 142}, // 11111111|11111111|11101011
{0xffffbe00ul, 23, 143}, // 11111111|11111111|1011111
{0xffffec00ul, 24, 144}, // 11111111|11111111|11101100
{0xffffed00ul, 24, 145}, // 11111111|11111111|11101101
{0xffff5c00ul, 22, 146}, // 11111111|11111111|010111
{0xffffc000ul, 23, 147}, // 11111111|11111111|1100000
{0xffffee00ul, 24, 148}, // 11111111|11111111|11101110
{0xffffc200ul, 23, 149}, // 11111111|11111111|1100001
{0xffffc400ul, 23, 150}, // 11111111|11111111|1100010
{0xffffc600ul, 23, 151}, // 11111111|11111111|1100011
{0xffffc800ul, 23, 152}, // 11111111|11111111|1100100
{0xfffee000ul, 21, 153}, // 11111111|11111110|11100
{0xffff6000ul, 22, 154}, // 11111111|11111111|011000
{0xffffca00ul, 23, 155}, // 11111111|11111111|1100101
{0xffff6400ul, 22, 156}, // 11111111|11111111|011001
{0xffffcc00ul, 23, 157}, // 11111111|11111111|1100110
{0xffffce00ul, 23, 158}, // 11111111|11111111|1100111
{0xffffef00ul, 24, 159}, // 11111111|11111111|11101111
{0xffff6800ul, 22, 160}, // 11111111|11111111|011010
{0xfffee800ul, 21, 161}, // 11111111|11111110|11101
{0xfffe9000ul, 20, 162}, // 11111111|11111110|1001
{0xffff6c00ul, 22, 163}, // 11111111|11111111|011011
{0xffff7000ul, 22, 164}, // 11111111|11111111|011100
{0xffffd000ul, 23, 165}, // 11111111|11111111|1101000
{0xffffd200ul, 23, 166}, // 11111111|11111111|1101001
{0xfffef000ul, 21, 167}, // 11111111|11111110|11110
{0xffffd400ul, 23, 168}, // 11111111|11111111|1101010
{0xffff7400ul, 22, 169}, // 11111111|11111111|011101
{0xffff7800ul, 22, 170}, // 11111111|11111111|011110
{0xfffff000ul, 24, 171}, // 11111111|11111111|11110000
{0xfffef800ul, 21, 172}, // 11111111|11111110|11111
{0xffff7c00ul, 22, 173}, // 11111111|11111111|011111
{0xffffd600ul, 23, 174}, // 11111111|11111111|1101011
{0xffffd800ul, 23, 175}, // 11111111|11111111|1101100
{0xffff0000ul, 21, 176}, // 11111111|11111111|00000
{0xffff0800ul, 21, 177}, // 11111111|11111111|00001
{0xffff8000ul, 22, 178}, // 11111111|11111111|100000
{0xffff1000ul, 21, 179}, // 11111111|11111111|00010
{0xffffda00ul, 23, 180}, // 11111111|11111111|1101101
{0xffff8400ul, 22, 181}, // 11111111|11111111|100001
{0xffffdc00ul, 23, 182}, // 11111111|11111111|1101110
{0xffffde00ul, 23, 183}, // 11111111|11111111|1101111
{0xfffea000ul, 20, 184}, // 11111111|11111110|1010
{0xffff8800ul, 22, 185}, // 11111111|11111111|100010
{0xffff8c00ul, 22, 186}, // 11111111|11111111|100011
{0xffff9000ul, 22, 187}, // 11111111|11111111|100100
{0xffffe000ul, 23, 188}, // 11111111|11111111|1110000
{0xffff9400ul, 22, 189}, // 11111111|11111111|100101
{0xffff9800ul, 22, 190}, // 11111111|11111111|100110
{0xffffe200ul, 23, 191}, // 11111111|11111111|1110001
{0xfffff800ul, 26, 192}, // 11111111|11111111|11111000|00
{0xfffff840ul, 26, 193}, // 11111111|11111111|11111000|01
{0xfffeb000ul, 20, 194}, // 11111111|11111110|1011
{0xfffe2000ul, 19, 195}, // 11111111|11111110|001
{0xffff9c00ul, 22, 196}, // 11111111|11111111|100111
{0xffffe400ul, 23, 197}, // 11111111|11111111|1110010
{0xffffa000ul, 22, 198}, // 11111111|11111111|101000
{0xfffff600ul, 25, 199}, // 11111111|11111111|11110110|0
{0xfffff880ul, 26, 200}, // 11111111|11111111|11111000|10
{0xfffff8c0ul, 26, 201}, // 11111111|11111111|11111000|11
{0xfffff900ul, 26, 202}, // 11111111|11111111|11111001|00
{0xfffffbc0ul, 27, 203}, // 11111111|11111111|11111011|110
{0xfffffbe0ul, 27, 204}, // 11111111|11111111|11111011|111
{0xfffff940ul, 26, 205}, // 11111111|11111111|11111001|01
{0xfffff100ul, 24, 206}, // 11111111|11111111|11110001
{0xfffff680ul, 25, 207}, // 11111111|11111111|11110110|1
{0xfffe4000ul, 19, 208}, // 11111111|11111110|010
{0xffff1800ul, 21, 209}, // 11111111|11111111|00011
{0xfffff980ul, 26, 210}, // 11111111|11111111|11111001|10
{0xfffffc00ul, 27, 211}, // 11111111|11111111|11111100|000
{0xfffffc20ul, 27, 212}, // 11111111|11111111|11111100|001
{0xfffff9c0ul, 26, 213}, // 11111111|11111111|11111001|11
{0xfffffc40ul, 27, 214}, // 11111111|11111111|11111100|010
{0xfffff200ul, 24, 215}, // 11111111|11111111|11110010
{0xffff2000ul, 21, 216}, // 11111111|11111111|00100
{0xffff2800ul, 21, 217}, // 11111111|11111111|00101
{0xfffffa00ul, 26, 218}, // 11111111|11111111|11111010|00
{0xfffffa40ul, 26, 219}, // 11111111|11111111|11111010|01
{0xffffffd0ul, 28, 220}, // 11111111|11111111|11111111|1101
{0xfffffc60ul, 27, 221}, // 11111111|11111111|11111100|011
{0xfffffc80ul, 27, 222}, // 11111111|11111111|11111100|100
{0xfffffca0ul, 27, 223}, // 11111111|11111111|11111100|101
{0xfffec000ul, 20, 224}, // 11111111|11111110|1100
{0xfffff300ul, 24, 225}, // 11111111|11111111|11110011
{0xfffed000ul, 20, 226}, // 11111111|11111110|1101
{0xffff3000ul, 21, 227}, // 11111111|11111111|00110
{0xffffa400ul, 22, 228}, // 11111111|11111111|101001
{0xffff3800ul, 21, 229}, // 11111111|11111111|00111
{0xffff4000ul, 21, 230}, // 11111111|11111111|01000
{0xffffe600ul, 23, 231}, // 11111111|11111111|1110011
{0xffffa800ul, 22, 232}, // 11111111|11111111|101010
{0xffffac00ul, 22, 233}, // 11111111|11111111|101011
{0xfffff700ul, 25, 234}, // 11111111|11111111|11110111|0
{0xfffff780ul, 25, 235}, // 11111111|11111111|11110111|1
{0xfffff400ul, 24, 236}, // 11111111|11111111|11110100
{0xfffff500ul, 24, 237}, // 11111111|11111111|11110101
{0xfffffa80ul, 26, 238}, // 11111111|11111111|11111010|10
{0xffffe800ul, 23, 239}, // 11111111|11111111|1110100
{0xfffffac0ul, 26, 240}, // 11111111|11111111|11111010|11
{0xfffffcc0ul, 27, 241}, // 11111111|11111111|11111100|110
{0xfffffb00ul, 26, 242}, // 11111111|11111111|11111011|00
{0xfffffb40ul, 26, 243}, // 11111111|11111111|11111011|01
{0xfffffce0ul, 27, 244}, // 11111111|11111111|11111100|111
{0xfffffd00ul, 27, 245}, // 11111111|11111111|11111101|000
{0xfffffd20ul, 27, 246}, // 11111111|11111111|11111101|001
{0xfffffd40ul, 27, 247}, // 11111111|11111111|11111101|010
{0xfffffd60ul, 27, 248}, // 11111111|11111111|11111101|011
{0xffffffe0ul, 28, 249}, // 11111111|11111111|11111111|1110
{0xfffffd80ul, 27, 250}, // 11111111|11111111|11111101|100
{0xfffffda0ul, 27, 251}, // 11111111|11111111|11111101|101
{0xfffffdc0ul, 27, 252}, // 11111111|11111111|11111101|110
{0xfffffde0ul, 27, 253}, // 11111111|11111111|11111101|111
{0xfffffe00ul, 27, 254}, // 11111111|11111111|11111110|000
{0xfffffb80ul, 26, 255}, // 11111111|11111111|11111011|10
{0xfffffffcul, 30, 256}, // EOS 11111111|11111111|11111111|111111
};
return *kHpackHuffmanCode;
}
// The "constructor" for a HpackStaticEntry that computes the lengths at
// compile time.
#define STATIC_ENTRY(name, value) \
{ name, ABSL_ARRAYSIZE(name) - 1, value, ABSL_ARRAYSIZE(value) - 1 }
const std::vector<HpackStaticEntry>& HpackStaticTableVector() {
static const auto* kHpackStaticTable = new std::vector<HpackStaticEntry>{
STATIC_ENTRY(":authority", ""), // 1
STATIC_ENTRY(":method", "GET"), // 2
STATIC_ENTRY(":method", "POST"), // 3
STATIC_ENTRY(":path", "/"), // 4
STATIC_ENTRY(":path", "/index.html"), // 5
STATIC_ENTRY(":scheme", "http"), // 6
STATIC_ENTRY(":scheme", "https"), // 7
STATIC_ENTRY(":status", "200"), // 8
STATIC_ENTRY(":status", "204"), // 9
STATIC_ENTRY(":status", "206"), // 10
STATIC_ENTRY(":status", "304"), // 11
STATIC_ENTRY(":status", "400"), // 12
STATIC_ENTRY(":status", "404"), // 13
STATIC_ENTRY(":status", "500"), // 14
STATIC_ENTRY("accept-charset", ""), // 15
STATIC_ENTRY("accept-encoding", "gzip, deflate"), // 16
STATIC_ENTRY("accept-language", ""), // 17
STATIC_ENTRY("accept-ranges", ""), // 18
STATIC_ENTRY("accept", ""), // 19
STATIC_ENTRY("access-control-allow-origin", ""), // 20
STATIC_ENTRY("age", ""), // 21
STATIC_ENTRY("allow", ""), // 22
STATIC_ENTRY("authorization", ""), // 23
STATIC_ENTRY("cache-control", ""), // 24
STATIC_ENTRY("content-disposition", ""), // 25
STATIC_ENTRY("content-encoding", ""), // 26
STATIC_ENTRY("content-language", ""), // 27
STATIC_ENTRY("content-length", ""), // 28
STATIC_ENTRY("content-location", ""), // 29
STATIC_ENTRY("content-range", ""), // 30
STATIC_ENTRY("content-type", ""), // 31
STATIC_ENTRY("cookie", ""), // 32
STATIC_ENTRY("date", ""), // 33
STATIC_ENTRY("etag", ""), // 34
STATIC_ENTRY("expect", ""), // 35
STATIC_ENTRY("expires", ""), // 36
STATIC_ENTRY("from", ""), // 37
STATIC_ENTRY("host", ""), // 38
STATIC_ENTRY("if-match", ""), // 39
STATIC_ENTRY("if-modified-since", ""), // 40
STATIC_ENTRY("if-none-match", ""), // 41
STATIC_ENTRY("if-range", ""), // 42
STATIC_ENTRY("if-unmodified-since", ""), // 43
STATIC_ENTRY("last-modified", ""), // 44
STATIC_ENTRY("link", ""), // 45
STATIC_ENTRY("location", ""), // 46
STATIC_ENTRY("max-forwards", ""), // 47
STATIC_ENTRY("proxy-authenticate", ""), // 48
STATIC_ENTRY("proxy-authorization", ""), // 49
STATIC_ENTRY("range", ""), // 50
STATIC_ENTRY("referer", ""), // 51
STATIC_ENTRY("refresh", ""), // 52
STATIC_ENTRY("retry-after", ""), // 53
STATIC_ENTRY("server", ""), // 54
STATIC_ENTRY("set-cookie", ""), // 55
STATIC_ENTRY("strict-transport-security", ""), // 56
STATIC_ENTRY("transfer-encoding", ""), // 57
STATIC_ENTRY("user-agent", ""), // 58
STATIC_ENTRY("vary", ""), // 59
STATIC_ENTRY("via", ""), // 60
STATIC_ENTRY("www-authenticate", ""), // 61
};
return *kHpackStaticTable;
}
#undef STATIC_ENTRY
const HpackStaticTable& ObtainHpackStaticTable() {
static const HpackStaticTable* const shared_static_table = []() {
auto* table = new HpackStaticTable();
table->Initialize(HpackStaticTableVector().data(),
HpackStaticTableVector().size());
QUICHE_CHECK(table->IsInitialized());
return table;
}();
return *shared_static_table;
}
} // namespace spdy