--- /dev/null
+/*
+ Copyright (C) 2022 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ DCP-o-matic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+
+#ifndef DCPOMATIC_ENUM_INDEXED_VECTOR_H
+#define DCPOMATIC_ENUM_INDEXED_VECTOR_H
+
+
+#include <vector>
+
+
+template <typename Type, typename Enum>
+class EnumIndexedVector
+{
+public:
+ EnumIndexedVector()
+ : _data(static_cast<int>(Enum::COUNT))
+ {}
+
+ EnumIndexedVector(EnumIndexedVector const& other)
+ : _data(other._data)
+ {}
+
+ EnumIndexedVector& operator=(EnumIndexedVector const& other) {
+ if (this == &other) {
+ return *this;
+ }
+
+ _data = other._data;
+ return *this;
+ }
+
+ typename std::vector<Type>::reference operator[](int index) {
+ return _data[index];
+ }
+
+ typename std::vector<Type>::const_reference operator[](int index) const {
+ return _data[index];
+ }
+
+ typename std::vector<Type>::reference operator[](Enum index) {
+ return _data[static_cast<int>(index)];
+ }
+
+ typename std::vector<Type>::const_reference operator[](Enum index) const {
+ return _data[static_cast<int>(index)];
+ }
+
+ void clear() {
+ std::fill(_data.begin(), _data.end(), {});
+ }
+
+ typename std::vector<Type>::const_iterator begin() const {
+ return _data.begin();
+ }
+
+ typename std::vector<Type>::const_iterator end() const {
+ return _data.end();
+ }
+
+ typename std::vector<Type>::iterator begin() {
+ return _data.begin();
+ }
+
+ typename std::vector<Type>::iterator end() {
+ return _data.end();
+ }
+
+private:
+ std::vector<Type> _data;
+};
+
+
+#endif
+