Program Listing for File ModuleVersion.hpp
↰ Return to documentation for file (include/dataspeed_dbw_common/ModuleVersion.hpp
)
/*********************************************************************
* Software License Agreement (BSD License)
*
* Copyright (c) 2015-2021, Dataspeed Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of Dataspeed Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*********************************************************************/
#pragma once
#include <cstdint>
// Undefine GNU C system macros that we use for other purposes
#ifdef major
#undef major
#endif
#ifdef minor
#undef minor
#endif
namespace dataspeed_dbw_common {
class ModuleVersion {
public:
constexpr ModuleVersion() {}
constexpr ModuleVersion(const uint16_t major, const uint16_t minor, const uint16_t build)
: major_(major), minor_(minor), build_(build) {}
constexpr bool operator< (const ModuleVersion& other) const { return this->full() < other.full(); }
constexpr bool operator> (const ModuleVersion& other) const { return this->full() > other.full(); }
constexpr bool operator<=(const ModuleVersion& other) const { return this->full() <= other.full(); }
constexpr bool operator>=(const ModuleVersion& other) const { return this->full() >= other.full(); }
constexpr bool operator==(const ModuleVersion& other) const { return this->full() == other.full(); }
constexpr bool operator!=(const ModuleVersion& other) const { return this->full() != other.full(); }
constexpr bool valid() const { return full() != 0; }
constexpr uint16_t major() const { return major_; }
constexpr uint16_t minor() const { return minor_; }
constexpr uint16_t build() const { return build_; }
private:
constexpr uint64_t full() const {
// Bit shifting is more portable than unions
uint64_t major = (uint64_t)major_ << 32;
uint64_t minor = (uint64_t)minor_ << 16;
uint64_t build = (uint64_t)build_;
return major | minor | build;
}
uint16_t major_ = 0;
uint16_t minor_ = 0;
uint16_t build_ = 0;
};
} // namespace dataspeed_dbw_common