uriutils.h
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/* ****************************************************************************
* Copyright 2019 Open Systems Development BV *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the "Software"), *
* to deal in the Software without restriction, including without limitation *
* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
* and/or sell copies of the Software, and to permit persons to whom the *
* Software is furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included in *
* all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
* DEALINGS IN THE SOFTWARE. *
* ***************************************************************************/
#ifndef OSDEV_COMPONENTS_MQTT_URIUTILS_H
#define OSDEV_COMPONENTS_MQTT_URIUTILS_H
// std
#include <string>
#include "compiletimedigits.h"
namespace osdev {
namespace components {
namespace mqtt {
/**
* @brief Get the percent encoded string for a given character.
* @tparam N The character to encode.
* @return pointer to the encoded character string.
*/
template <unsigned N>
inline const char* percentEncode()
{
static const auto* s_code =
(compiletime_string<'%'>{} + typename apply_bounded_range< //
0, //
numberOfDigits<16>(N), //
string_builder< //
adapt_for_string_builder< //
ProduceDigits<N, 16>>>::template produce>::result{})
.chars;
return s_code;
}
} // End namespace mqtt
} // End namespace components
} // End namespace osdev
#endif // OSDEV_COMPONENTS_MQTT_URIUTILS_H