101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/* Copyright 2016-2021 Michele Santullo
|
|
* This file is part of "duckhandy".
|
|
*
|
|
* "duckhandy" 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.
|
|
*
|
|
* "duckhandy" 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 "duckhandy". If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef id5594416333AA4792BFEC94E863E03B08
|
|
#define id5594416333AA4792BFEC94E863E03B08
|
|
|
|
#include "int_conv.hpp"
|
|
#include <cstddef>
|
|
#include <stdexcept>
|
|
|
|
namespace dhandy::bt {
|
|
|
|
template <std::size_t N>
|
|
class Version {
|
|
public:
|
|
constexpr static const std::size_t count = N;
|
|
|
|
constexpr Version (const char* const ver, bool accept_less=false);
|
|
|
|
constexpr unsigned int operator[] (std::size_t idx) const;
|
|
constexpr unsigned int major() const;
|
|
constexpr unsigned int minor() const;
|
|
constexpr unsigned int revision() const;
|
|
|
|
private:
|
|
unsigned int m_versions[N];
|
|
};
|
|
|
|
template <std::size_t N>
|
|
inline constexpr Version<N>::Version (const char* const ver, bool accept_less) :
|
|
m_versions{0}
|
|
{
|
|
std::size_t z = 0;
|
|
std::size_t s = 0;
|
|
std::size_t idx = 0;
|
|
bool commit = false;
|
|
|
|
do {
|
|
if (ver[z] >= '0' and ver[z] <= '9') {
|
|
commit = true;
|
|
}
|
|
else if (commit) {
|
|
commit = false;
|
|
m_versions[idx++] = dhandy::ary_to_int<unsigned int>(ver + s, ver + z);
|
|
s = z + 1;
|
|
}
|
|
else {
|
|
s = z + 1;
|
|
}
|
|
} while(ver[z++] and idx < N);
|
|
|
|
if (not accept_less and idx < N)
|
|
throw std::invalid_argument("Input version doesn't contain enough version numbers");
|
|
}
|
|
|
|
template <std::size_t N>
|
|
inline constexpr unsigned int Version<N>::operator[] (std::size_t idx) const {
|
|
if (idx < N)
|
|
return m_versions[idx];
|
|
else
|
|
throw std::out_of_range("Index is out of range");
|
|
}
|
|
|
|
template <std::size_t N>
|
|
inline constexpr unsigned int Version<N>::major() const {
|
|
return m_versions[0];
|
|
}
|
|
|
|
template <std::size_t N>
|
|
inline constexpr unsigned int Version<N>::minor() const {
|
|
if constexpr (N > 1)
|
|
return m_versions[1];
|
|
else
|
|
throw std::out_of_range("Not enough version entries, there is no minor number");
|
|
}
|
|
|
|
template <std::size_t N>
|
|
inline constexpr unsigned int Version<N>::revision() const {
|
|
if constexpr (N > 2)
|
|
return m_versions[2];
|
|
else
|
|
throw std::out_of_range("Not enough version entries, there is no revision number");
|
|
}
|
|
|
|
} //namespace dhandy::bt
|
|
|
|
#endif
|