42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/*
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* Copyright 2003-2018 The Music Player Daemon Project
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* http://www.musicpd.org
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Escape.hxx"
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static constexpr bool
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MustEscape(char ch) noexcept
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{
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return ch == '"' || ch == '\'' || ch == '\\';
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}
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std::string
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EscapeFilterString(const std::string &src) noexcept
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{
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std::string result;
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result.reserve(src.length() + 16);
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for (char ch : src) {
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if (MustEscape(ch))
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result.push_back('\\');
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result.push_back(ch);
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}
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return result;
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}
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