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      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>
     34 const Elem& getSizedArrayElement (const Elem (&array)[Size], typename de::meta::EnableIf<int, LastElementIndex==Size>::Type offset)
     35 {
     36 	DE_ASSERT(inBounds(offset, 0, Size));
     37 	return array[offset];
     38 }
     39 
     40 //! Get an element of an array with a compile-time constant size.
     41 template <int Size, typename Elem>
     42 const Elem& getArrayElement (const Elem (&array)[Size], int offset)
     43 {
     44 	DE_ASSERT(inBounds(offset, 0, Size));
     45 	return array[offset];
     46 }
     47 
     48 } // de
     49 
     50 #endif // _DEARRAYUTIL_HPP
     51