52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Sindre Aamås *
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* sinamas@users.sourceforge.net *
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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 version 2 as *
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* published by the Free Software Foundation. *
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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 version 2 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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* version 2 along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef ARRAY_H
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#define ARRAY_H
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#include <cstddef>
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template<typename T>
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class SimpleArray : Uncopyable {
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public:
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explicit SimpleArray(std::size_t size = 0) : a_(size ? new T[size] : 0) {}
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~SimpleArray() { delete[] defined_ptr(a_); }
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void reset(std::size_t size = 0) { delete[] defined_ptr(a_); a_ = size ? new T[size] : 0; }
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T* get() const { return a_; }
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operator T* () const { return a_; }
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private:
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T* a_;
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};
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class Uncopyable {
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protected:
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Uncopyable() {}
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private:
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Uncopyable(Uncopyable const&);
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Uncopyable& operator=(Uncopyable const&);
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};
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template<class T>
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inline T* defined_ptr(T* t) {
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typedef char type_is_defined[sizeof * t ? 1 : -1];
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(void)sizeof(type_is_defined);
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return t;
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}
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#endif |