1 files changed, 44 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_cpp_types.hh b/source/blender/blenlib/BLI_cpp_types.hh
new file mode 100644
index 00000000000..596090b95e5
--- /dev/null
+++ b/source/blender/blenlib/BLI_cpp_types.hh
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#pragma once
+
+#include "BLI_cpp_type.hh"
+#include "BLI_vector.hh"
+
+namespace blender {
+
+/**
+ * Contains information about how to deal with a #Vector<T> generically.
+ */
+class VectorCPPType {
+ public:
+  /** The #Vector<T> itself. */
+  const CPPType &self;
+  /** The type stored in the vector. */
+  const CPPType &value;
+
+  template<typename ValueType> VectorCPPType(TypeTag<ValueType> /*value_type*/);
+
+  /**
+   * Try to find the #VectorCPPType that corresponds to a #CPPType.
+   */
+  static const VectorCPPType *get_from_self(const CPPType &self);
+  /**
+   * Try to find the #VectorCPPType that wraps a vector containing the given value type.
+   * This only works when the vector type has been created with #BLI_VECTOR_CPP_TYPE_MAKE.
+   */
+  static const VectorCPPType *get_from_value(const CPPType &value);
+
+  template<typename ValueType> static const VectorCPPType &get()
+  {
+    static const VectorCPPType &type = VectorCPPType::get_impl<std::decay_t<ValueType>>();
+    return type;
+  }
+
+  template<typename ValueType> static const VectorCPPType &get_impl();
+
+ private:
+  void register_self();
+};
+
+}  // namespace blender