mirror of https://github.com/axmolengine/axmol.git
55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
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#pragma once
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#include <utility>
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#include <cstring>
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#include <exception>
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namespace adxe
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{
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struct any_buffer
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{
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any_buffer() = default;
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any_buffer(any_buffer const&) = delete;
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any_buffer& operator=(any_buffer const&) = delete;
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any_buffer(any_buffer&& o) noexcept
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{
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std::swap(buf, o.buf);
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std::swap(cap, o.cap);
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}
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any_buffer& operator=(any_buffer&& o) noexcept
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{
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std::swap(buf, o.buf);
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std::swap(cap, o.cap);
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return *this;
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}
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~any_buffer() { clear(); }
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template <typename T>
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T* get(size_t const& len)
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{
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auto newCap = sizeof(T) * len;
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if (newCap > cap)
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{
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delete this->buf;
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this->buf = new char[newCap];
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this->cap = newCap;
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}
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return (T*)buf;
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}
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void clear()
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{
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if (cap)
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{
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delete buf;
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buf = nullptr;
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cap = 0;
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}
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}
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private:
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void* buf = nullptr;
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size_t cap = 0;
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};
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} // namespace adxe
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