mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/*
|
|
* A compile-time constant-length array, with bounds-checking assertions -- but
|
|
* unlike mozilla::Array, with indexes biased by a constant.
|
|
*
|
|
* Thus where mozilla::Array<int, 3> is a three-element array indexed by [0, 3),
|
|
* mozilla::RangedArray<int, 8, 3> is a three-element array indexed by [8, 11).
|
|
*/
|
|
|
|
#ifndef mozilla_RangedArray_h
|
|
#define mozilla_RangedArray_h
|
|
|
|
#include "mozilla/Array.h"
|
|
|
|
namespace mozilla {
|
|
|
|
template<typename T, size_t MinIndex, size_t Length>
|
|
class RangedArray
|
|
{
|
|
public:
|
|
T& operator[](size_t aIndex)
|
|
{
|
|
MOZ_ASSERT(aIndex == MinIndex || aIndex > MinIndex);
|
|
return mArr[aIndex - MinIndex];
|
|
}
|
|
|
|
const T& operator[](size_t aIndex) const
|
|
{
|
|
MOZ_ASSERT(aIndex == MinIndex || aIndex > MinIndex);
|
|
return mArr[aIndex - MinIndex];
|
|
}
|
|
|
|
private:
|
|
Array<T, Length> mArr;
|
|
};
|
|
|
|
} // namespace mozilla
|
|
|
|
#endif // mozilla_RangedArray_h
|