95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
// =====================================================================================================================
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// fennec, a free and open source game engine
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// Copyright © 2025 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 dynarray.h
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/// \brief fennec::array definition & implementation
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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 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_CONTAINERS_DYNARRAY_H
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#define FENNEC_CONTAINERS_DYNARRAY_H
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#include <fennec/lang/utility.h>
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#include <fennec/memory/allocator.h>
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#include <fennec/memory/new.h>
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namespace fennec
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{
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template<class T, class Alloc>
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class dynarray
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{
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public:
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using element_t = T;
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using alloc_t = Alloc;
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///
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/// \brief Default Constructor, initializes an empty allocation.
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dynarray() : _alloc(), _size(0) {}
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///
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/// \breif Alloc Constructor, initalize empty allocation with allocator instance.
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/// \param alloc An allocator object to copy, for instances where the allocator needs to be initialized with some data.
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dynarray(const alloc_t& alloc) : _alloc(alloc), _size(0) {}
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///
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/// \brief Create an allocation with a size of `n` elements. All elements are initialized with the default constructor.
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dynarray(size_t n) : _alloc(n), _size(n)
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{
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element_t* addr = _alloc.data();
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for(; n > 0; --n, ++addr) { fennec::construct(addr); }
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}
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///
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/// \brief Create an allocation of size `n`, with each element constructed using the copy constructor
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/// \brief n the number of elements
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dynarray(size_t n, const element_t& val)
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{
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element_t* addr = _alloc.data();
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for(; n > 0; --n, ++addr) { fennec::construct(addr, val); }
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}
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template<typename...ArgsT>
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dynarray(size_t n, ArgsT...args)
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{
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element_t* addr = _alloc.data();
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for(; n > 0; --n, ++addr) { fennec::construct(addr, args...); }
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}
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~dynarray()
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{
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element_t* addr = _alloc.data();
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for(; n > 0; --n, ++addr) { fennec::destruct(addr); }
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}
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private:
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allocation<element_t, alloc_t> _alloc;
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size_t _size;
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};
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}
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#endif // FENNEC_CONTAINERS_DYNARRAY_H
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