libcamera: yaml_parser: Extend YamlObject::size() to dictionaries

Dictionaries have a size too, extend the size() function to support
them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>

1 files changed, 23 insertions, 19 deletions

diff --git a/src/libcamera/yaml_parser.cpp b/src/libcamera/yaml_parser.cpp
index 4b5ea427..5b872dbb 100644
--- a/src/libcamera/yaml_parser.cpp
+++ b/src/libcamera/yaml_parser.cpp
@@ -75,6 +75,29 @@ YamlObject::~YamlObject() = default;
  */
 
 /**
+ * \fn YamlObject::size()
+ * \brief Retrieve the number of elements in a dictionary or list YamlObject
+ *
+ * This function retrieves the size of the YamlObject, defined as the number of
+ * child elements it contains. Only YamlObject instances of Dictionary or List
+ * types have a size, calling this function on other types of instances is
+ * invalid and results in undefined behaviour.
+ *
+ * \return The size of the YamlObject
+ */
+std::size_t YamlObject::size() const
+{
+	switch (type_) {
+	case Type::Dictionary:
+		return dictionary_.size();
+	case Type::List:
+		return list_.size();
+	default:
+		return 0;
+	}
+}
+
+/**
  * \fn template<typename T> YamlObject::get<T>(
  *	const T &defaultValue, bool *ok) const
  * \brief Parse the YamlObject as a \a T value
@@ -236,25 +259,6 @@ Size YamlObject::get(const Size &defaultValue, bool *ok) const
 #endif /* __DOXYGEN__ */
 
 /**
- * \fn YamlObject::size()
- * \brief Retrieve the number of elements in a list YamlObject
- *
- * This function retrieves the size of the YamlObject, defined as the number of
- * child elements it contains. Only YamlObject instances of List type have a
- * size, calling this function on other types of instances is invalid and
- * results in undefined behaviour.
- *
- * \return The size of the YamlObject
- */
-std::size_t YamlObject::size() const
-{
-	if (type_ != Type::List)
-		return 0;
-
-	return list_.size();
-}
-
-/**
  * \fn YamlObject::operator[](std::size_t index) const
  * \brief Retrieve the element from list YamlObject by index
  *