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author | Ivan Blinkov <ivan@blinkov.ru> | 2022-02-10 16:47:11 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:11 +0300 |
commit | 5b283123c882433dafbaf6b338adeea16c1a0ea0 (patch) | |
tree | 339adc63bce23800021202ae4a8328a843dc447a /contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h | |
parent | 1aeb9a455974457866f78722ad98114bafc84e8a (diff) | |
download | ydb-5b283123c882433dafbaf6b338adeea16c1a0ea0.tar.gz |
Restoring authorship annotation for Ivan Blinkov <ivan@blinkov.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h')
-rw-r--r-- | contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h b/contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h index 213d9237d5..65bc29c30b 100644 --- a/contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h +++ b/contrib/libs/hyperscan/src/util/hash_dynamic_bitset.h @@ -1,96 +1,96 @@ -/* - * Copyright (c) 2017, Intel Corporation - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * \file - * \brief Hashing utility functions. - */ - -#ifndef UTIL_HASH_DYNAMIC_BITSET_H -#define UTIL_HASH_DYNAMIC_BITSET_H - -#include "hash.h" - -#include <boost/dynamic_bitset.hpp> - -#include <iterator> - -namespace ue2 { - -/** - * \brief An output iterator which calculates the combined hash of all elements - * written to it. - * - * The location to output the hash is provided to the constructor and should - * already be zero initialised. - */ -struct hash_output_it { - using value_type = void; - using difference_type = ptrdiff_t; - using pointer = void *; - using reference = void; - using iterator_category = std::output_iterator_tag; - - hash_output_it(size_t *hash_out = nullptr) : out(hash_out) {} - hash_output_it &operator++() { - return *this; - } - hash_output_it &operator++(int) { - return *this; - } - - struct deref_proxy { - deref_proxy(size_t *hash_out) : out(hash_out) {} - - template<typename T> - void operator=(const T &val) const { - hash_combine(*out, val); - } - - private: - size_t *out; /* output location of the owning iterator */ - }; - - deref_proxy operator*() { return {out}; } - -private: - size_t *out; /* location to output the hashes to */ -}; - -/* Function object for hashing a dynamic bitset */ -struct hash_dynamic_bitset { - size_t operator()(const boost::dynamic_bitset<> &bs) const { - size_t rv = 0; - to_block_range(bs, hash_output_it(&rv)); - return rv; - } -}; - -} // namespace ue2 - -#endif +/* + * Copyright (c) 2017, Intel Corporation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * \file + * \brief Hashing utility functions. + */ + +#ifndef UTIL_HASH_DYNAMIC_BITSET_H +#define UTIL_HASH_DYNAMIC_BITSET_H + +#include "hash.h" + +#include <boost/dynamic_bitset.hpp> + +#include <iterator> + +namespace ue2 { + +/** + * \brief An output iterator which calculates the combined hash of all elements + * written to it. + * + * The location to output the hash is provided to the constructor and should + * already be zero initialised. + */ +struct hash_output_it { + using value_type = void; + using difference_type = ptrdiff_t; + using pointer = void *; + using reference = void; + using iterator_category = std::output_iterator_tag; + + hash_output_it(size_t *hash_out = nullptr) : out(hash_out) {} + hash_output_it &operator++() { + return *this; + } + hash_output_it &operator++(int) { + return *this; + } + + struct deref_proxy { + deref_proxy(size_t *hash_out) : out(hash_out) {} + + template<typename T> + void operator=(const T &val) const { + hash_combine(*out, val); + } + + private: + size_t *out; /* output location of the owning iterator */ + }; + + deref_proxy operator*() { return {out}; } + +private: + size_t *out; /* location to output the hashes to */ +}; + +/* Function object for hashing a dynamic bitset */ +struct hash_dynamic_bitset { + size_t operator()(const boost::dynamic_bitset<> &bs) const { + size_t rv = 0; + to_block_range(bs, hash_output_it(&rv)); + return rv; + } +}; + +} // namespace ue2 + +#endif |