add table get for enum components + comment fix (#1046)

flecs.h

@@ -21570,7 +21570,7 @@ struct entity_view : public id {
         return m_id;
     }
 
-    /** Check is entity is valid.
+    /** Check if entity is valid.
      *
      * @return True if the entity is alive, false otherwise.
      */
@@ -21582,7 +21582,7 @@ struct entity_view : public id {
         return is_valid();
     }
 
-    /** Check is entity is alive.
+    /** Check if entity is alive.
      *
      * @return True if the entity is alive, false otherwise.
      */
@@ -25874,6 +25874,16 @@ struct table {
         return static_cast<T*>(get(_::cpp_type<T>::id(m_world)));
     }
 
+    /** Get pointer to component array by (enum) component.
+     * 
+     * @tparam T The (enum) component.
+     * @return Pointer to the column, NULL if not found.
+     */
+    template <typename T, if_t< is_enum<T>::value > = 0>
+    T* get() const {
+        return static_cast<T*>(get(_::cpp_type<T>::id(m_world)));
+    }
+
     /** Get pointer to component array by component.
      * 
      * @tparam T The component.

include/flecs/addons/cpp/entity_view.hpp

@@ -51,7 +51,7 @@ struct entity_view : public id {
         return m_id;
     }
 
-    /** Check is entity is valid.
+    /** Check if entity is valid.
      *
      * @return True if the entity is alive, false otherwise.
      */
@@ -63,7 +63,7 @@ struct entity_view : public id {
         return is_valid();
     }
 
-    /** Check is entity is alive.
+    /** Check if entity is alive.
      *
      * @return True if the entity is alive, false otherwise.
      */

include/flecs/addons/cpp/table.hpp

@@ -228,6 +228,16 @@ struct table {
         return static_cast<T*>(get(_::cpp_type<T>::id(m_world)));
     }
 
+    /** Get pointer to component array by (enum) component.
+     * 
+     * @tparam T The (enum) component.
+     * @return Pointer to the column, NULL if not found.
+     */
+    template <typename T, if_t< is_enum<T>::value > = 0>
+    T* get() const {
+        return static_cast<T*>(get(_::cpp_type<T>::id(m_world)));
+    }
+
     /** Get pointer to component array by component.
      * 
      * @tparam T The component.

test/cpp_api/include/cpp_api.h

@@ -30,6 +30,12 @@ struct Self {
     flecs::entity_view value;
 };
 
+enum Number {
+    One = 1,
+    Two = 2,
+    Three = 3
+};
+
 class Pod {
 public:
     struct Child { };

test/cpp_api/project.json

@@ -1319,6 +1319,7 @@
                 "has_pair_R_T",
                 "get_id",
                 "get_T",
+                "get_T_enum",
                 "get_pair_r_t",
                 "get_pair_R_t",
                 "get_pair_R_T",

test/cpp_api/src/Table.cpp

@@ -663,3 +663,22 @@ void Table_iter_type(void) {
     }
     test_int(count, 2);
 }
+
+void Table_get_T_enum(void) {
+    flecs::world ecs;
+
+    flecs::entity e = ecs.entity()
+        .set<Number>(Number::One);
+    ecs.entity()
+        .set<Number>(Number::Two);
+    ecs.entity()
+        .set<Number>(Number::Three);
+
+    flecs::table table = e.table();
+
+    Number *n = table.get<Number>();
+    test_assert(n != NULL);
+    test_int(n[0], Number::One);
+    test_int(n[1], Number::Two);
+    test_int(n[2], Number::Three);
+}

test/cpp_api/src/main.cpp

@@ -1261,6 +1261,7 @@ void Table_has_pair_R_t(void);
 void Table_has_pair_R_T(void);
 void Table_get_id(void);
 void Table_get_T(void);
+void Table_get_T_enum(void);
 void Table_get_pair_r_t(void);
 void Table_get_pair_R_t(void);
 void Table_get_pair_R_T(void);
@@ -6155,6 +6156,10 @@ bake_test_case Table_testcases[] = {
         "get_T",
         Table_get_T
     },
+    {
+        "get_T_enum",
+        Table_get_T_enum
+    },
     {
         "get_pair_r_t",
         Table_get_pair_r_t
@@ -6411,7 +6416,7 @@ static bake_test_suite suites[] = {
         "Table",
         NULL,
         NULL,
-        31,
+        32,
         Table_testcases
     },
     {