libdeng2|Script: More convenient way to add values into an array

doomsday/libdeng2/include/de/data/arrayvalue.h

@@ -97,6 +97,24 @@ class DENG2_PUBLIC ArrayValue : public Value
      */
     void remove(dint index);
 
+    /**
+     * Adds a value to the array.
+     *
+     * @param value  Value to add. Array gets ownership.
+     *
+     * @return Reference to the array.
+     */
+    ArrayValue &operator << (Value *value);
+
+    /**
+     * Adds a value to the array.
+     *
+     * @param value  Value to add. A duplicate of this value is added to the array.
+     *
+     * @return Reference to the array.
+     */
+    ArrayValue &operator << (Value const &value);
+
     /**
      * Returns a reference to a value in the array.
      *

doomsday/libdeng2/src/core/config.cpp

@@ -72,10 +72,10 @@ void Config::read()
     // Current version.
     Version verInfo;
     QScopedPointer<ArrayValue> version(new ArrayValue());
-    version->add(new NumberValue(verInfo.major));
-    version->add(new NumberValue(verInfo.minor));
-    version->add(new NumberValue(verInfo.patch));
-    version->add(new NumberValue(verInfo.build));
+    *version << NumberValue(verInfo.major)
+             << NumberValue(verInfo.minor)
+             << NumberValue(verInfo.patch)
+             << NumberValue(verInfo.build);
 
     File &scriptFile = App::rootFolder().locate<File>(d->configPath);
     bool shouldRunScript = false;

doomsday/libdeng2/src/data/arrayvalue.cpp

@@ -258,6 +258,18 @@ void ArrayValue::remove(dint index)
     delete *elem;
     _elements.erase(elem);
 }
+
+ArrayValue &ArrayValue::operator << (Value *value)
+{
+    add(value);
+    return *this;
+}
+
+ArrayValue &ArrayValue::operator << (Value const &value)
+{
+    add(value.duplicate());
+    return *this;
+}
 
 Value *ArrayValue::pop()
 {