Move TextPreprocessing to "processors" folder.

PiperOrigin-RevId: 490532670

mediapipe/tasks/cc/components/processors/proto/BUILD

@@ -59,3 +59,12 @@ mediapipe_proto_library(
         "//mediapipe/framework:calculator_proto",
     ],
 )
+
+mediapipe_proto_library(
+    name = "text_preprocessing_graph_options_proto",
+    srcs = ["text_preprocessing_graph_options.proto"],
+    deps = [
+        "//mediapipe/framework:calculator_options_proto",
+        "//mediapipe/framework:calculator_proto",
+    ],
+)

mediapipe/tasks/cc/components/processors/proto/text_preprocessing_graph_options.proto

@@ -0,0 +1,42 @@
+/* Copyright 2022 The MediaPipe Authors. All Rights Reserved.
+
+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.
+==============================================================================*/
+
+syntax = "proto2";
+
+package mediapipe.tasks.components.processors.proto;
+
+import "mediapipe/framework/calculator.proto";
+
+message TextPreprocessingGraphOptions {
+  extend mediapipe.CalculatorOptions {
+    optional TextPreprocessingGraphOptions ext = 476978751;
+  }
+
+  // The type of text preprocessor required for the TFLite model.
+  enum PreprocessorType {
+    UNSPECIFIED_PREPROCESSOR = 0;
+    // Used for the BertPreprocessorCalculator.
+    BERT_PREPROCESSOR = 1;
+    // Used for the RegexPreprocessorCalculator.
+    REGEX_PREPROCESSOR = 2;
+    // Used for the TextToTensorCalculator.
+    STRING_PREPROCESSOR = 3;
+  }
+  optional PreprocessorType preprocessor_type = 1;
+
+  // The maximum input sequence length for the TFLite model. Used with
+  // BERT_PREPROCESSOR and REGEX_PREPROCESSOR.
+  optional int32 max_seq_len = 2;
+}