41 lines
1.0 KiB
C++
41 lines
1.0 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#pragma once
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#include <cstddef>
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#include <algorithm>
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#include "dxxsconf.h"
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#include "compiler-array.h"
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template <std::size_t N>
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class cstring_tie
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{
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void init_array(const char *s) __attribute_nonnull()
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{
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p[m_count++] = s;
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}
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template <typename... Args>
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void init_array(const char *s, Args&&... args)
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{
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init_array(s);
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init_array(std::forward<Args>(args)...);
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}
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public:
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template <typename... Args>
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cstring_tie(Args&&... args) : m_count(0)
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{
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static_assert(sizeof...(Args) <= maximum_arity, "too many arguments to cstring_tie");
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init_array(std::forward<Args>(args)...);
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}
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unsigned count() const { return m_count; }
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const char *string(std::size_t i) const { return p[i]; }
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enum { maximum_arity = N };
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private:
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array<const char *, maximum_arity> p;
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unsigned m_count;
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};
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