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engines/crab/backInserter.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef CRAB_BACKINSERTER_H
+#define CRAB_BACKINSERTER_H
+
+#include "common/util.h"
+
+namespace Crab {
+
+template<class Container>
+class backInserterIterator {
+protected:
+	Container *_container;
+
+public:
+	explicit backInserterIterator(Container &x) : _container(&x) {}
+
+	backInserterIterator &operator=(const typename Container::value_type &value) {
+		*_container += value;
+		return *this;
+	}
+
+	backInserterIterator &operator=(const typename Container::value_type &&value) {
+		*_container += Common::move(value);
+		return *this;
+	}
+
+	backInserterIterator &operator*() { return *this; }
+	backInserterIterator &operator++() { return *this; }
+	backInserterIterator &operator++(int) { return *this; }
+};
+
+template<class Container>
+backInserterIterator<Container>
+backInserter(Container &x) {
+	return backInserterIterator<Container>(x);
+}
+
+} // End of namespace Crab
+
+#endif