123 lines
3.1 KiB
C++
123 lines
3.1 KiB
C++
// =====================================================================================================================
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// fennec, a free and open source game engine
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// Copyright © 2025 - 2026 Medusa Slockbower
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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// =====================================================================================================================
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///
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/// \file fennec/core/version.h
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/// \brief
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///
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///
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/// \details
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/// \author Medusa Slockbower
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///
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/// \copyright Copyright © 2025 - 2026 Medusa Slockbower ([GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html))
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///
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///
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#ifndef FENNEC_CORE_VERSION_H
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#define FENNEC_CORE_VERSION_H
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#if FENNEC_COMPILER_GCC
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpedantic"
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#endif
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#if FENNEC_COMPILER_MSVC
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#pragma warning(push)
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#pragma warning(disable:4201)
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#endif
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#include <fennec/lang/types.h>
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#include <fennec/string/string.h>
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namespace fennec
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{
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///
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/// \brief simple version struct for drivers and systems
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struct version {
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// Public Member Variables =============================================================================================
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public:
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/// \name Member Variables
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/// @{
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union {
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uint64_t num; //!< long version number
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struct {
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uint16_t major = { 1 }; //!< the major version
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uint16_t minor = { 0 }; //!< the minor version
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uint16_t patch = { 0 }; //!< the patch version
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uint16_t meta = { 0 }; //!< the meta version, e.g. "rc.1"
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};
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};
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/// @}
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// Comparison Operators ================================================================================================
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public:
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/// \name Comparison Operators
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/// @{
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///
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/// \brief Equality Operator
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/// \param lhs The e
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friend bool operator==(const version& lhs, const version& rhs) {
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return lhs.num == rhs.num;
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}
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friend bool operator!=(const version& lhs, const version& rhs) {
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return lhs.num != rhs.num;
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}
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///
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/// \brief
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/// \param lhs
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/// \param rhs
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/// \return
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friend bool operator<(const version& lhs, const version& rhs) {
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return lhs.num < rhs.num;
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// This generates branching instructions, even in -O4
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//return lhs.major < rhs.major or(
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// (lhs.major == rhs.major and lhs.minor < rhs.minor) or (
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// lhs.minor == rhs.minor and lhs.patch < rhs.patch
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// )
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//);
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}
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friend bool operator>(const version& lhs, const version& rhs) {
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return lhs.num > rhs.num;
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}
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/// @}
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};
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#ifdef FENNEC_COMPILER_GCC
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#pragma GCC diagnostic pop
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#endif
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#if FENNEC_COMPILER_MSVC
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#pragma warning(pop)
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#endif
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}
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#endif // FENNEC_CORE_VERSION_H
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