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-rw-r--r--logic/BaseInstaller.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/logic/BaseInstaller.cpp b/logic/BaseInstaller.cpp
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+++ b/logic/BaseInstaller.cpp
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+/* Copyright 2013 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 "BaseInstaller.h"
+
+#include <QFile>
+
+#include "DerpVersion.h"
+#include "DerpLibrary.h"
+#include "DerpInstance.h"
+
+#include "cmdutils.h"
+
+BaseInstaller::BaseInstaller()
+{
+
+}
+
+bool BaseInstaller::isApplied(DerpInstance *on)
+{
+ return QFile::exists(filename(on->instanceRoot()));
+}
+
+bool BaseInstaller::add(DerpInstance *to)
+{
+ if (!patchesDir(to->instanceRoot()).exists())
+ {
+ QDir(to->instanceRoot()).mkdir("patches");
+ }
+
+ if (isApplied(to))
+ {
+ if (!remove(to))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool BaseInstaller::remove(DerpInstance *from)
+{
+ return QFile::remove(filename(from->instanceRoot()));
+}
+
+QString BaseInstaller::filename(const QString &root) const
+{
+ return patchesDir(root).absoluteFilePath(id() + ".json");
+}
+QDir BaseInstaller::patchesDir(const QString &root) const
+{
+ return QDir(root + "/patches/");
+}