Ensure that C header don't import C++ types

PiperOrigin-RevId: 564435119

mediapipe/tasks/c/components/processors/classifier_options_converter.cc

@@ -0,0 +1,41 @@
+/* Copyright 2023 The MediaPipe Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#include <cstdint>
+#include <vector>
+
+#include "mediapipe/tasks/c/components/processors/classifier_options.h"
+#include "mediapipe/tasks/cc/components/processors/classifier_options.h"
+
+namespace mediapie::c::components::processors {
+
+void CppConvertToClassifierOptions(
+    ClassifierOptions in,
+    mediapipe::tasks::components::processors::ClassifierOptions* out) {
+  out->display_names_locale = in.display_names_locale;
+  out->max_results = in.max_results;
+  out->score_threshold = in.score_threshold;
+  out->category_allowlist =
+      std::vector<std::string>(in.category_allowlist_count);
+  for (uint32_t i = 0; i < in.category_allowlist_count; ++i) {
+    out->category_allowlist[i] = in.category_allowlist[i];
+  }
+  out->category_denylist = std::vector<std::string>(in.category_denylist_count);
+  for (uint32_t i = 0; i < in.category_denylist_count; ++i) {
+    out->category_denylist[i] = in.category_denylist[i];
+  }
+}
+
+}  // namespace mediapie::c::components::processors