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/*
* Copyright 2003-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "Escape.hxx"
static constexpr bool
MustEscape(char ch) noexcept
{
return ch == '"' || ch == '\'' || ch == '\\';
}
std::string
EscapeFilterString(const std::string &src) noexcept
{
std::string result;
result.reserve(src.length() + 16);
for (char ch : src) {
if (MustEscape(ch))
result.push_back('\\');
result.push_back(ch);
}
return result;
}
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