Load GUI from XML

View.cc

@@ -17,7 +17,7 @@ void View::addChild(std::unique_ptr<Widget> child)
   layout();
 }
   
-Widget& View::getChildByName(std::string name)
+Widget& View::getChildByName(std::string const& name)
 {
   if (name == "")
     throw ChildNotFoundException{};
@@ -30,7 +30,7 @@ Widget& View::getChildByName(std::string name)
   throw ChildNotFoundException{};
 }
   
-Widget const& View::getChildByName(std::string name) const
+Widget const& View::getChildByName(std::string const& name) const
 {
   if (name == "")
     throw ChildNotFoundException{};
@@ -43,7 +43,45 @@ Widget const& View::getChildByName(std::string name) const
   throw ChildNotFoundException{};
 }
 
-std::unique_ptr<Widget> View::removeChild(std::string name)
+Widget& View::getPath(std::string const& path)
+{
+  auto slash = path.find('/');
+  
+  // Last path element
+  if (slash == std::string::npos)
+    return getChildByName(path);
+
+  auto first = path.substr(0, slash);
+  auto& child = getChildByName(first);
+  try {
+    View& next = dynamic_cast<View&>(child);
+
+    return next.getPath(path.substr(slash+1));
+  } catch(std::bad_cast &ex) {
+    throw ChildNotFoundException{};
+  }
+}
+
+Widget const& View::getPath(std::string const& path) const
+{
+  auto slash = path.find('/');
+  
+  // Last path element
+  if (slash == std::string::npos)
+    return getChildByName(path);
+
+  auto first = path.substr(0, slash);
+  auto& child = getChildByName(first);
+  try {
+    View const& next = dynamic_cast<View const&>(child);
+
+    return next.getPath(path.substr(slash+1));
+  } catch(std::bad_cast &ex) {
+    throw ChildNotFoundException{};
+  }
+}
+
+std::unique_ptr<Widget> View::removeChild(std::string const& name)
 {
   if (name == "")
     throw ChildNotFoundException{};