40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
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/*
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* Copyright (C) 2020 Luciano Iam <lucianito@gmail.com>
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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 <iomanip>
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#include <sstream>
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#include "json.h"
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/* adapted from https://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c
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CC BY-SA 4.0 license */
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std::string
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Json::escape (const std::string &s) {
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std::ostringstream o;
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for (std::string::const_iterator it = s.begin(); it != s.end(); ++it) {
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if (*it == '"' || *it == '\\' || ('\x00' <= *it && *it <= '\x1f')) {
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o << "\\u" << std::hex << std::setw (4) << std::setfill ('0') << static_cast<int>(*it);
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} else {
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o << *it;
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}
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}
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return o.str ();
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}
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