GH-1047 World management for instances. Removal only currently.

logic/minecraft/World.cpp

@@ -0,0 +1,72 @@
+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <QDir>
+#include <QString>
+#include "World.h"
+#include <pathutils.h>
+
+World::World(const QFileInfo &file)
+{
+	repath(file);
+}
+
+void World::repath(const QFileInfo &file)
+{
+	m_file = file;
+	m_name = file.fileName();
+	is_valid = file.isDir() && QDir(file.filePath()).exists("level.dat");
+}
+
+bool World::replace(World &with)
+{
+	if (!destroy())
+		return false;
+	bool success = copyPath(with.m_file.filePath(), m_file.path());
+	if (success)
+	{
+		m_name = with.m_name;
+		m_file.refresh();
+	}
+	return success;
+}
+
+bool World::destroy()
+{
+	if(!is_valid) return false;
+	if (m_file.isDir())
+	{
+		QDir d(m_file.filePath());
+		if (d.removeRecursively())
+		{
+			return true;
+		}
+		return false;
+	}
+	else
+	{
+		return false;
+	}
+	return true;
+}
+
+bool World::operator==(const World &other) const
+{
+	return is_valid == other.is_valid && name() == other.name();
+}
+bool World::strongCompare(const World &other) const
+{
+	return is_valid == other.is_valid && name() == other.name();
+}