libcore: Added a helper method for MD5 hashing

skyjake · Oct 28, 2017 · 001570e · 001570e
1 parent ef9d6f9
commit 001570e
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diff --git a/doomsday/sdk/libcore/include/de/data/block.h b/doomsday/sdk/libcore/include/de/data/block.h
@@ -23,6 +23,7 @@
 #include "../IByteArray"
 #include "../IBlock"
 #include "../ISerializable"
+#include "../Writer"
 
 #include <QByteArray>
 
@@ -137,6 +138,14 @@ class DENG2_PUBLIC Block : public QByteArray, public IByteArray, public IBlock,
     static Block join(QList<Block> const &blocks, Block const &sep = Block());
 };
 
+template <typename... Args>
+Block md5Hash(Args... args) {
+    Block data;
+    Writer writer(data);
+    writer.writeMultiple(args...);
+    return data.md5Hash();
+}
+
 } // namespace de
 
 #endif // LIBDENG2_BLOCK_H
diff --git a/doomsday/sdk/libcore/include/de/data/writer.h b/doomsday/sdk/libcore/include/de/data/writer.h
@@ -239,6 +239,17 @@ class DENG2_PUBLIC Writer
         return *this;
     }
 
+    template <typename Type>
+    Writer &writeMultiple(Type const &value) {
+        return *this << value;
+    }
+
+    template <typename Type, typename... Args>
+    Writer &writeMultiple(Type const &value, Args... args) {
+        *this << value;
+        return writeMultiple(args...);
+    }
+
     /**
      * Returns the destination byte array used by the writer.
      */