65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
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*
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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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*
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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 hereby grant you an additional
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* permission to link the program and your derivative works with the
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* separately licensed software that they have included with MySQL.
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*
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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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*
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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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*/
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#include "utils_string_parsing.h"
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namespace aux {
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const std::string ALLOWED_HEX_CHARACTERS = "0123456789abcdef";
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int replace_all(std::string &input, const std::string &to_find,
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const std::string &change_to, int limit) {
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int replaced = 0;
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if (to_find.empty()) return 0;
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size_t position = input.find(to_find);
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while (std::string::npos != position && limit--) {
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input.replace(position, to_find.size(), change_to);
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position = input.find(to_find, position + change_to.size());
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++replaced;
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}
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return replaced;
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}
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void trim(std::string &value, const std::string &whitespace) {
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std::size_t first = value.find_first_not_of(whitespace);
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std::size_t last = value.find_last_not_of(whitespace);
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if (first == std::string::npos) {
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value = "";
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return;
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}
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if (last == std::string::npos) {
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value = value.substr(first);
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return;
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}
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value = value.substr(first, last - first + 1);
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}
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} // namespace aux
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