1 files changed, 0 insertions, 136 deletions
diff --git a/web/server/h2o/libh2o/deps/brotli/enc/command.h b/web/server/h2o/libh2o/deps/brotli/enc/command.h
deleted file mode 100644
index afb014be8..000000000
--- a/web/server/h2o/libh2o/deps/brotli/enc/command.h
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Copyright 2013 Google Inc. All Rights Reserved.
-
-   Distributed under MIT license.
-   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
-*/
-
-// This class models a sequence of literals and a backward reference copy.
-
-#ifndef BROTLI_ENC_COMMAND_H_
-#define BROTLI_ENC_COMMAND_H_
-
-#include "./fast_log.h"
-#include "./prefix.h"
-#include "./types.h"
-
-namespace brotli {
-
-static uint32_t kInsBase[] =   { 0, 1, 2, 3, 4, 5, 6, 8, 10, 14, 18, 26, 34, 50,
-    66, 98, 130, 194, 322, 578, 1090, 2114, 6210, 22594 };
-static uint32_t kInsExtra[] =  { 0, 0, 0, 0, 0, 0, 1, 1,  2,  2,  3,  3,  4,  4,
-    5,   5,   6,   7,   8,   9,   10,   12,   14,    24 };
-static uint32_t kCopyBase[] =  { 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 18, 22, 30,
-    38, 54,  70, 102, 134, 198, 326,   582, 1094,  2118 };
-static uint32_t kCopyExtra[] = { 0, 0, 0, 0, 0, 0, 0, 0,  1,  1,  2,  2,  3,  3,
-     4,  4,   5,   5,   6,   7,   8,     9,   10,    24 };
-
-static inline uint16_t GetInsertLengthCode(size_t insertlen) {
-  if (insertlen < 6) {
-    return static_cast<uint16_t>(insertlen);
-  } else if (insertlen < 130) {
-    insertlen -= 2;
-    uint32_t nbits = Log2FloorNonZero(insertlen) - 1u;
-    return static_cast<uint16_t>((nbits << 1) + (insertlen >> nbits) + 2);
-  } else if (insertlen < 2114) {
-    return static_cast<uint16_t>(Log2FloorNonZero(insertlen - 66) + 10);
-  } else if (insertlen < 6210) {
-    return 21u;
-  } else if (insertlen < 22594) {
-    return 22u;
-  } else {
-    return 23u;
-  }
-}
-
-static inline uint16_t GetCopyLengthCode(size_t copylen) {
-  if (copylen < 10) {
-    return static_cast<uint16_t>(copylen - 2);
-  } else if (copylen < 134) {
-    copylen -= 6;
-    uint32_t nbits = Log2FloorNonZero(copylen) - 1u;
-    return static_cast<uint16_t>((nbits << 1) + (copylen >> nbits) + 4);
-  } else if (copylen < 2118) {
-    return static_cast<uint16_t>(Log2FloorNonZero(copylen - 70) + 12);
-  } else {
-    return 23u;
-  }
-}
-
-static inline uint16_t CombineLengthCodes(
-    uint16_t inscode, uint16_t copycode, bool use_last_distance) {
-  uint16_t bits64 =
-      static_cast<uint16_t>((copycode & 0x7u) | ((inscode & 0x7u) << 3));
-  if (use_last_distance && inscode < 8 && copycode < 16) {
-    return (copycode < 8) ? bits64 : (bits64 | 64);
-  } else {
-    // "To convert an insert-and-copy length code to an insert length code and
-    // a copy length code, the following table can be used"
-    static const uint16_t cells[9] = { 128u, 192u, 384u, 256u, 320u, 512u,
-                                       448u, 576u, 640u };
-    return cells[(copycode >> 3) + 3 * (inscode >> 3)] | bits64;
-  }
-}
-
-static inline void GetLengthCode(size_t insertlen, size_t copylen,
-                                 bool use_last_distance,
-                                 uint16_t* code, uint64_t* extra) {
-  uint16_t inscode = GetInsertLengthCode(insertlen);
-  uint16_t copycode = GetCopyLengthCode(copylen);
-  uint64_t insnumextra = kInsExtra[inscode];
-  uint64_t numextra = insnumextra + kCopyExtra[copycode];
-  uint64_t insextraval = insertlen - kInsBase[inscode];
-  uint64_t copyextraval = copylen - kCopyBase[copycode];
-  *code = CombineLengthCodes(inscode, copycode, use_last_distance);
-  *extra = (numextra << 48) | (copyextraval << insnumextra) | insextraval;
-}
-
-struct Command {
-  // distance_code is e.g. 0 for same-as-last short code, or 16 for offset 1.
-  Command(size_t insertlen, size_t copylen, size_t copylen_code,
-          size_t distance_code)
-      : insert_len_(static_cast<uint32_t>(insertlen))
-      , copy_len_(static_cast<uint32_t>(copylen)) {
-    // The distance prefix and extra bits are stored in this Command as if
-    // npostfix and ndirect were 0, they are only recomputed later after the
-    // clustering if needed.
-    PrefixEncodeCopyDistance(distance_code, 0, 0, &dist_prefix_, &dist_extra_);
-    GetLengthCode(insertlen, copylen_code, dist_prefix_ == 0,
-                  &cmd_prefix_, &cmd_extra_);
-  }
-
-  explicit Command(size_t insertlen)
-      : insert_len_(static_cast<uint32_t>(insertlen))
-      , copy_len_(0), dist_extra_(0), dist_prefix_(16) {
-    GetLengthCode(insertlen, 4, dist_prefix_ == 0, &cmd_prefix_, &cmd_extra_);
-  }
-
-  uint32_t DistanceCode() const {
-    if (dist_prefix_ < 16) {
-      return dist_prefix_;
-    }
-    uint32_t nbits = dist_extra_ >> 24;
-    uint32_t extra = dist_extra_ & 0xffffff;
-    uint32_t prefix = dist_prefix_ - 12 - 2 * nbits;
-    return (prefix << nbits) + extra + 12;
-  }
-
-  uint32_t DistanceContext() const {
-    uint32_t r = cmd_prefix_ >> 6;
-    uint32_t c = cmd_prefix_ & 7;
-    if ((r == 0 || r == 2 || r == 4 || r == 7) && (c <= 2)) {
-      return c;
-    }
-    return 3;
-  }
-
-  uint32_t insert_len_;
-  uint32_t copy_len_;
-  uint64_t cmd_extra_;
-  uint32_t dist_extra_;
-  uint16_t cmd_prefix_;
-  uint16_t dist_prefix_;
-};
-
-}  // namespace brotli
-
-#endif  // BROTLI_ENC_COMMAND_H_