1e5c31af7Sopenharmony_ci#ifndef _DEARRAYUTIL_HPP
2e5c31af7Sopenharmony_ci#define _DEARRAYUTIL_HPP
3e5c31af7Sopenharmony_ci/*-------------------------------------------------------------------------
4e5c31af7Sopenharmony_ci * drawElements C++ Base Library
5e5c31af7Sopenharmony_ci * -----------------------------
6e5c31af7Sopenharmony_ci *
7e5c31af7Sopenharmony_ci * Copyright 2015 The Android Open Source Project
8e5c31af7Sopenharmony_ci *
9e5c31af7Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License");
10e5c31af7Sopenharmony_ci * you may not use this file except in compliance with the License.
11e5c31af7Sopenharmony_ci * You may obtain a copy of the License at
12e5c31af7Sopenharmony_ci *
13e5c31af7Sopenharmony_ci *      http://www.apache.org/licenses/LICENSE-2.0
14e5c31af7Sopenharmony_ci *
15e5c31af7Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software
16e5c31af7Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS,
17e5c31af7Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18e5c31af7Sopenharmony_ci * See the License for the specific language governing permissions and
19e5c31af7Sopenharmony_ci * limitations under the License.
20e5c31af7Sopenharmony_ci *
21e5c31af7Sopenharmony_ci *//*!
22e5c31af7Sopenharmony_ci * \file
23e5c31af7Sopenharmony_ci * \brief Array utils
24e5c31af7Sopenharmony_ci *//*--------------------------------------------------------------------*/
25e5c31af7Sopenharmony_ci
26e5c31af7Sopenharmony_ci#include "deDefs.hpp"
27e5c31af7Sopenharmony_ci#include "deMeta.hpp"
28e5c31af7Sopenharmony_ci
29e5c31af7Sopenharmony_cinamespace de
30e5c31af7Sopenharmony_ci{
31e5c31af7Sopenharmony_ci
32e5c31af7Sopenharmony_ci//! Get an element of an array with a specified size.
33e5c31af7Sopenharmony_citemplate <int LastElementIndex, int Size, typename Elem>
34e5c31af7Sopenharmony_ciconst Elem& getSizedArrayElement (const Elem (&array)[Size], typename de::meta::EnableIf<int, LastElementIndex==Size>::Type offset)
35e5c31af7Sopenharmony_ci{
36e5c31af7Sopenharmony_ci	DE_ASSERT(inBounds(offset, 0, Size));
37e5c31af7Sopenharmony_ci	return array[offset];
38e5c31af7Sopenharmony_ci}
39e5c31af7Sopenharmony_ci
40e5c31af7Sopenharmony_ci//! Get an element of an array with a compile-time constant size.
41e5c31af7Sopenharmony_citemplate <int Size, typename Elem>
42e5c31af7Sopenharmony_ciconst Elem& getArrayElement (const Elem (&array)[Size], int offset)
43e5c31af7Sopenharmony_ci{
44e5c31af7Sopenharmony_ci	DE_ASSERT(inBounds(offset, 0, Size));
45e5c31af7Sopenharmony_ci	return array[offset];
46e5c31af7Sopenharmony_ci}
47e5c31af7Sopenharmony_ci
48e5c31af7Sopenharmony_ci} // de
49e5c31af7Sopenharmony_ci
50e5c31af7Sopenharmony_ci#endif // _DEARRAYUTIL_HPP
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