1 #ifndef _DEARRAYUTIL_HPP
2 #define _DEARRAYUTIL_HPP
3 /*-------------------------------------------------------------------------
4 * drawElements C++ Base Library
5 * -----------------------------
6 *
7 * Copyright 2015 The Android Open Source Project
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief Array utils
24 *//*--------------------------------------------------------------------*/
25
26 #include "deDefs.hpp"
27 #include "deMeta.hpp"
28
29 namespace de
30 {
31
32 //! Get an element of an array with a specified size.
33 template <int LastElementIndex, int Size, typename Elem>
getSizedArrayElement(const Elem (& array)[Size],typename de::meta::EnableIf<int,LastElementIndex==Size>::Type offset)34 const Elem &getSizedArrayElement(const Elem (&array)[Size],
35 typename de::meta::EnableIf<int, LastElementIndex == Size>::Type offset)
36 {
37 DE_ASSERT(inBounds(offset, 0, Size));
38 return array[offset];
39 }
40
41 //! Get an element of an array with a compile-time constant size.
42 template <int Size, typename Elem>
getArrayElement(const Elem (& array)[Size],int offset)43 const Elem &getArrayElement(const Elem (&array)[Size], int offset)
44 {
45 DE_ASSERT(inBounds(offset, 0, Size));
46 return array[offset];
47 }
48
49 } // namespace de
50
51 #endif // _DEARRAYUTIL_HPP
52