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author | thegeorg <thegeorg@yandex-team.ru> | 2022-02-10 16:45:12 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:12 +0300 |
commit | 49116032d905455a7b1c994e4a696afc885c1e71 (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/hyperscan/src/parser/logical_combination.h | |
parent | 4e839db24a3bbc9f1c610c43d6faaaa99824dcca (diff) | |
download | ydb-49116032d905455a7b1c994e4a696afc885c1e71.tar.gz |
Restoring authorship annotation for <thegeorg@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/parser/logical_combination.h')
-rw-r--r-- | contrib/libs/hyperscan/src/parser/logical_combination.h | 224 |
1 files changed, 112 insertions, 112 deletions
diff --git a/contrib/libs/hyperscan/src/parser/logical_combination.h b/contrib/libs/hyperscan/src/parser/logical_combination.h index b4b994a437..7c8eb36ef7 100644 --- a/contrib/libs/hyperscan/src/parser/logical_combination.h +++ b/contrib/libs/hyperscan/src/parser/logical_combination.h @@ -1,112 +1,112 @@ -/* - * Copyright (c) 2018, 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 Parse and build ParsedLogical::logicalTree and combInfoMap. - */ - -#ifndef LOGICAL_COMBINATION_H -#define LOGICAL_COMBINATION_H - -#include "util/logical.h" - -#include <map> -#include <set> -#include <vector> - -namespace ue2 { - -class ParsedLogical { - friend class ReportManager; -public: - /** \brief Parse 1 logical expression \a logical, assign temporary ckey. */ - void parseLogicalCombination(unsigned id, const char *logical, u32 ekey, - u64a min_offset, u64a max_offset); - - /** \brief Check if all sub-expression id in combinations are valid. */ - void validateSubIDs(const unsigned *ids, const char *const *expressions, - const unsigned *flags, unsigned elements); - - /** \brief Renumber and assign final lkey for each logical operation - * after parsed all logical expressions. */ - void logicalKeyRenumber(); - - /** \brief Fetch the lkey associated with the given expression id, - * assigning one if necessary. */ - u32 getLogicalKey(u32 expressionId); - - /** \brief Fetch the ckey associated with the given expression id, - * assigning one if necessary. */ - u32 getCombKey(u32 expressionId); - - /** \brief Add lkey's corresponding combination id. */ - void addRelateCKey(u32 lkey, u32 ckey); - - /** \brief Add one Logical Operation. */ - u32 logicalTreeAdd(u32 op, u32 left, u32 right); - - /** \brief Assign the combination info associated with the given ckey. */ - void combinationInfoAdd(u32 ckey, u32 id, u32 ekey, u32 lkey_start, - u32 lkey_result, u64a min_offset, u64a max_offset); - - const std::map<u32, u32> &getLkeyMap() const { - return toLogicalKeyMap; - } - - const std::vector<LogicalOp> &getLogicalTree() const { - return logicalTree; - } - - CombInfo getCombInfoById(u32 id) const { - u32 ckey = toCombKeyMap.at(id); - assert(ckey < combInfoMap.size()); - return combInfoMap.at(ckey); - } - -private: - /** \brief Mapping from ckey to combination info. */ - std::vector<CombInfo> combInfoMap; - - /** \brief Mapping from combination expression id to combination key, - * combination key is used in combination bit-vector cache. */ - std::map<u32, u32> toCombKeyMap; - - /** \brief Mapping from expression id to logical key, logical key is used - * as index in LogicalOp array. */ - std::map<u32, u32> toLogicalKeyMap; - - /** \brief Mapping from logical key to related combination keys. */ - std::map<u32, std::set<u32>> lkey2ckeys; - - /** \brief Logical constraints, each operation from postfix notation. */ - std::vector<LogicalOp> logicalTree; -}; - -} // namespace ue2 - -#endif +/* + * Copyright (c) 2018, 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 Parse and build ParsedLogical::logicalTree and combInfoMap. + */ + +#ifndef LOGICAL_COMBINATION_H +#define LOGICAL_COMBINATION_H + +#include "util/logical.h" + +#include <map> +#include <set> +#include <vector> + +namespace ue2 { + +class ParsedLogical { + friend class ReportManager; +public: + /** \brief Parse 1 logical expression \a logical, assign temporary ckey. */ + void parseLogicalCombination(unsigned id, const char *logical, u32 ekey, + u64a min_offset, u64a max_offset); + + /** \brief Check if all sub-expression id in combinations are valid. */ + void validateSubIDs(const unsigned *ids, const char *const *expressions, + const unsigned *flags, unsigned elements); + + /** \brief Renumber and assign final lkey for each logical operation + * after parsed all logical expressions. */ + void logicalKeyRenumber(); + + /** \brief Fetch the lkey associated with the given expression id, + * assigning one if necessary. */ + u32 getLogicalKey(u32 expressionId); + + /** \brief Fetch the ckey associated with the given expression id, + * assigning one if necessary. */ + u32 getCombKey(u32 expressionId); + + /** \brief Add lkey's corresponding combination id. */ + void addRelateCKey(u32 lkey, u32 ckey); + + /** \brief Add one Logical Operation. */ + u32 logicalTreeAdd(u32 op, u32 left, u32 right); + + /** \brief Assign the combination info associated with the given ckey. */ + void combinationInfoAdd(u32 ckey, u32 id, u32 ekey, u32 lkey_start, + u32 lkey_result, u64a min_offset, u64a max_offset); + + const std::map<u32, u32> &getLkeyMap() const { + return toLogicalKeyMap; + } + + const std::vector<LogicalOp> &getLogicalTree() const { + return logicalTree; + } + + CombInfo getCombInfoById(u32 id) const { + u32 ckey = toCombKeyMap.at(id); + assert(ckey < combInfoMap.size()); + return combInfoMap.at(ckey); + } + +private: + /** \brief Mapping from ckey to combination info. */ + std::vector<CombInfo> combInfoMap; + + /** \brief Mapping from combination expression id to combination key, + * combination key is used in combination bit-vector cache. */ + std::map<u32, u32> toCombKeyMap; + + /** \brief Mapping from expression id to logical key, logical key is used + * as index in LogicalOp array. */ + std::map<u32, u32> toLogicalKeyMap; + + /** \brief Mapping from logical key to related combination keys. */ + std::map<u32, std::set<u32>> lkey2ckeys; + + /** \brief Logical constraints, each operation from postfix notation. */ + std::vector<LogicalOp> logicalTree; +}; + +} // namespace ue2 + +#endif |