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Diffstat (limited to 'src/range/slice.hpp')
-rw-r--r-- | src/range/slice.hpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/range/slice.hpp b/src/range/slice.hpp new file mode 100644 index 0000000..f645595 --- /dev/null +++ b/src/range/slice.hpp @@ -0,0 +1,74 @@ +#ifndef TMWA_GENERIC_SLICE_HPP +#define TMWA_GENERIC_SLICE_HPP +// slice.hpp - a borrowed array +// +// Copyright © 2011-2014 Ben Longbons <b.r.longbons@gmail.com> +// +// This file is part of The Mana World (Athena server) +// +// This program 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. +// +// This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + +# include "../sanity.hpp" + +# include <cstddef> + +# include <type_traits> + +# include <vector> + +template<class T> +class Slice +{ + T *_begin; + T *_end; +public: + class iterator; + + Slice(std::nullptr_t); + Slice(T *b, T *e); + Slice(T *b, size_t l); + template<class U, typename=typename std::enable_if<sizeof(T) == sizeof(U) && std::is_base_of<T, U>::value>::type> + Slice(Slice<U> o); + template<size_t n, typename=typename std::enable_if<sizeof(T) != 1>::type> + Slice(T (&arr)[n]); + // TODO: come up with something else once using ranges (wrap all containers?) + Slice(std::vector<T>& vec); + + iterator begin() const; + iterator end() const; + T *data() const; + size_t size() const; + operator bool() const; + bool operator not() const; + T& front() const; + T& back() const; + T& pop_front(); + T& pop_back(); + __attribute__((deprecated("use iterators instead"))) + T& operator[](size_t o); + + Slice slice_t(size_t o) const; + Slice slice_h(size_t o) const; + Slice rslice_t(size_t no) const; + Slice rslice_h(size_t no) const; + Slice islice_t(iterator it) const; + Slice islice_h(iterator it) const; + Slice lslice(size_t o, size_t l) const; + Slice pslice(size_t b, size_t e) const; + Slice islice(iterator b, iterator e) const; +}; + +# include "slice.tcc" + +#endif // TMWA_GENERIC_SLICE_HPP |