add hasField method

PX4 · Jan 10, 2024 · 73cda62 · 73cda62
1 parent 93a9d3c
commit 73cda62
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/ulog_cpp/subscription.hpp b/ulog_cpp/subscription.hpp
@@ -93,6 +93,15 @@ class TypedDataView {
    */
   const MessageFormat& format() const { return _message_format_ref; }
 
+  /**
+   * Checks if a field is present in the underlying MessageFormat
+   */
+  bool hasField(const std::string& field_name) const
+  {
+    const auto iter = _message_format_ref.fieldMap().find(field_name);
+    return iter != _message_format_ref.fieldMap().end() && iter->second->definitionResolved();
+  }
+
   /**
    * @return The underlying raw data vector
    */