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Implement Version class

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King_DuckZ 2021-04-22 13:34:05 +02:00
parent da136cd52f
commit 3124548314
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101
include/duckhandy/version_bt.hpp Normal file
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@ -0,0 +1,101 @@
/* 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 {
template <std::size_t N>
class Version {
public:
constexpr static 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
#endif

1
test/unit/CMakeLists.txt
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@ -7,6 +7,7 @@ add_executable(${PROJECT_NAME}
reversed_sized_array_test.cpp
bitfield_pack_test.cpp
resource_pool_test.cpp
version_test.cpp
)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 17)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)

94
test/unit/version_test.cpp Normal file
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@ -0,0 +1,94 @@
/* 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/>.
*/
#include "catch2/catch.hpp"
#include "duckhandy/version_bt.hpp"
TEST_CASE ("Version class tests", "[version][bt]") {
using dhandy::Version;
{
constexpr Version<1> ver{"102"};
static_assert(ver.major() == 102, "Version error");
static_assert(ver.Count == 1, "Version error");
CHECK(ver[0] == 102);
CHECK_THROWS(ver[1]);
CHECK_THROWS(ver[2]);
CHECK_THROWS(ver[3]);
CHECK_THROWS(ver[4]);
}
{
constexpr Version<3> ver{".aheud15,a.ud22,cu.sh81,.nuad.h44"};
static_assert(ver.Count == 3, "Version error");
static_assert(ver.major() == 15, "Version error");
static_assert(ver.minor() == 22, "Version error");
static_assert(ver.revision() == 81, "Version error");
CHECK(ver[0] == 15);
CHECK(ver[1] == 22);
CHECK(ver[2] == 81);
CHECK_THROWS(ver[3]);
CHECK_THROWS(ver[4]);
}
{
constexpr Version<10> ver{"1.2.3.44.55.66.777.888.999.101010"};
static_assert(ver.Count == 10, "Version error");
static_assert(ver.major() == 1, "Version error");
static_assert(ver.minor() == 2, "Version error");
static_assert(ver.revision() == 3, "Version error");
CHECK(ver[0] == 1);
CHECK(ver[1] == 2);
CHECK(ver[2] == 3);
CHECK(ver[3] == 44);
CHECK(ver[4] == 55);
CHECK(ver[5] == 66);
CHECK(ver[6] == 777);
CHECK(ver[7] == 888);
CHECK(ver[8] == 999);
CHECK(ver[9] == 101010);
CHECK_THROWS(ver[10]);
}
{
constexpr Version<4> ver{"1.2.3.", true};
static_assert(ver.Count == 4, "Version error");
static_assert(ver.major() == 1, "Version error");
static_assert(ver.minor() == 2, "Version error");
static_assert(ver.revision() == 3, "Version error");
CHECK(ver[0] == 1);
CHECK(ver[1] == 2);
CHECK(ver[2] == 3);
CHECK(ver[3] == 0);
CHECK_THROWS(ver[10]);
}
{
constexpr Version<4> ver{"6.7.2-r1"};
static_assert(ver.Count == 4, "Version error");
static_assert(ver.major() == 6, "Version error");
static_assert(ver.minor() == 7, "Version error");
static_assert(ver.revision() == 2, "Version error");
CHECK(ver[0] == 6);
CHECK(ver[1] == 7);
CHECK(ver[2] == 2);
CHECK(ver[3] == 1);
CHECK_THROWS(ver[10]);
}
CHECK_THROWS(Version<4>{"4.5"});
}