80 lines
3.0 KiB
C++
80 lines
3.0 KiB
C++
/* Copyright (c) 2018, 2021, Alibaba and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
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additional permission to link the program and your derivative works with the
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separately licensed software that they have included with
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MySQL/PolarDB-X Engine.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include "sql/ccl/ccl_common.h"
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#include "my_inttypes.h"
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#include "my_murmur3.h" // my_murmur3_32
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#include "my_sys.h" // MY_WME, MY_FATALERROR
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#include "mysql/service_mysql_alloc.h" // my_malloc
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#include <boost/algorithm/string/case_conv.hpp>
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namespace im {
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void *Ccl_string_alloc::operator()(size_t s) const {
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return my_malloc(key_memory_ccl, s, MYF(MY_WME | ME_FATALERROR));
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}
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/* String compare ingoring case */
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template <typename F, typename S>
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bool Pair_key_icase_comparator<F, S>::operator()(
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const Pair_key_type<F, S> &lhs, const Pair_key_type<F, S> &rhs) const {
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F l_f = lhs.first;
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S l_s = lhs.second;
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F r_f = rhs.first;
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S r_s = rhs.second;
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boost::algorithm::to_upper(l_f);
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boost::algorithm::to_upper(l_s);
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boost::algorithm::to_upper(r_f);
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boost::algorithm::to_upper(r_s);
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return (l_f.compare(r_f) == 0 && l_s.compare(r_s) == 0);
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}
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template bool Pair_key_icase_comparator<String_ccl, String_ccl>::operator()(
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const Pair_key_type<String_ccl, String_ccl> &lhs,
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const Pair_key_type<String_ccl, String_ccl> &rhs) const;
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} /* namespace im */
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namespace std {
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size_t hash<im::String_ccl>::operator()(const im::String_ccl &s) const {
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return murmur3_32(reinterpret_cast<const uchar *>(s.c_str()), s.size(), 0);
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}
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} /* namespace std */
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namespace im {
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template <typename F, typename S>
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size_t Pair_key_icase_hash<F, S>::operator()(
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const im::Pair_key_type<F, S> &p) const {
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F s1 = p.first;
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S s2 = p.second;
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boost::algorithm::to_upper(s1);
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boost::algorithm::to_upper(s2);
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return std::hash<F>()(static_cast<const F>(s1)) ^
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std::hash<S>()(static_cast<const S>(s2));
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}
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template size_t Pair_key_icase_hash<String_ccl, String_ccl>::operator()(
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const im::Pair_key_type<String_ccl, String_ccl> &p) const;
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} /* namespace im */
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