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/*
Copyright (C) 2023-2024 Selwin van Dijk
This file is part of signalbackup-tools.
signalbackup-tools 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 3 of the License, or
(at your option) any later version.
signalbackup-tools 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 signalbackup-tools. If not, see <https://www.gnu.org/licenses/>.
*/
#include "signalbackup.ih"
std::string SignalBackup::HTMLescapeUrl(std::string const &in) const
{
std::string result(in);
HTMLescapeUrl(&result);
return result;
}
void SignalBackup::HTMLescapeUrl(std::string *in) const
{
for (unsigned int i = 0; i < in->size(); ++i)
{
if (!((*in)[i] >= 'A' && (*in)[i] <= 'Z') && // A-Z
!((*in)[i] >= 'a' && (*in)[i] <= 'z') && // a-z
!((*in)[i] >= '0' && (*in)[i] <= '9') && // 0-9
!((*in)[i] >= '\'' && (*in)[i] <= '*') && // ' ( ) *
(*in)[i] != '!' &&
(*in)[i] != '-' &&
(*in)[i] != '.' &&
(*in)[i] != '_' &&
(*in)[i] != '~')
{
// it is not an allowed character, escape it
std::string escape = "%" + bepaald::toHexString(static_cast<int>((*in)[i]) & 0xff);
in->replace(i, 1, escape);
i += escape.size() - 1;
}
}
}
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