NOISSUE Flatten gui and logic libraries into MultiMC

launcher/RWStorage.h

@@ -0,0 +1,66 @@
+#pragma once
+#include <QWriteLocker>
+#include <QReadLocker>
+#include <QMap>
+#include <QSet>
+
+template <typename K, typename V>
+class RWStorage
+{
+public:
+    void add(K key, V value)
+    {
+        QWriteLocker l(&lock);
+        cache[key] = value;
+        stale_entries.remove(key);
+    }
+    V get(K key)
+    {
+        QReadLocker l(&lock);
+        if(cache.contains(key))
+        {
+            return cache[key];
+        }
+        else return V();
+    }
+    bool get(K key, V& value)
+    {
+        QReadLocker l(&lock);
+        if(cache.contains(key))
+        {
+            value = cache[key];
+            return true;
+        }
+        else return false;
+    }
+    bool has(K key)
+    {
+        QReadLocker l(&lock);
+        return cache.contains(key);
+    }
+    bool stale(K key)
+    {
+        QReadLocker l(&lock);
+        if(!cache.contains(key))
+            return true;
+        return stale_entries.contains(key);
+    }
+    void setStale(K key)
+    {
+        QWriteLocker l(&lock);
+        if(cache.contains(key))
+        {
+            stale_entries.insert(key);
+        }
+    }
+    void clear()
+    {
+        QWriteLocker l(&lock);
+        cache.clear();
+        stale_entries.clear();
+    }
+private:
+    QReadWriteLock lock;
+    QMap<K, V> cache;
+    QSet<K> stale_entries;
+};