feat(element.hpp): overload[] for element

README.md

@@ -107,7 +107,7 @@ int main()
     std::string xml("<root attr=\"value\">Hello, world!<root/>");
     auto elem = myxml::Element::Parse(xml);
     std::cout << root->FirstText() << std::endl; // "Hello, world!";
-    std::cout << root["attr"] << std::endl;      // "value"
+    std::cout << (*root)["attr"] << std::endl;      // "value"
 }
 ```
 

include/myxml/element.hpp

@@ -43,6 +43,7 @@ namespace myxml
         void SetName(std::string_view);
         void SetAttribute(std::string key, std::string value);
         void ExtendAttributes(std::map<std::string, std::string>);
+        std::string &operator[](const std::string &);
 
         /* Implement Exportable */
         virtual std::string ExportRaw() const override;

src/element.cpp

@@ -53,6 +53,11 @@ namespace myxml
         this->attributes.insert(attris.begin(), attris.end());
     }
 
+    std::string &Element::operator[](const std::string &key)
+    {
+        return this->attributes[key];
+    }
+
     std::string Element::ExportRaw() const
     {
 

tests/element_test.cpp

@@ -36,4 +36,13 @@ TEST_CASE("Element Functionality", "[element]")
         REQUIRE(root->Elem("child")->NextElem()->GetName() == "sibiling");
         REQUIRE(root->Elem("sibiling")->PrevElem()->GetName() == "child");
     }
+
+    SECTION("Overload []")
+    {
+        root->SetAttribute("hello", "world");
+        REQUIRE((*root)["hello"] == "world");
+        REQUIRE(root->GetAttribute("hello") == "world");
+        (*root)["hello"] = "bar";
+        REQUIRE((*root)["hello"] == "bar");
+    }
 }