| /* Copyright 2020 The TensorFlow 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. |
| ==============================================================================*/ |
| #import <Foundation/Foundation.h> |
| |
| NS_ASSUME_NONNULL_BEGIN |
| /** |
| * Protocol for a Tokenizer used in model proprocessing. |
| */ |
| @protocol TFLTokenizer |
| |
| /** |
| * Performs tokenization on input text. |
| * @param input The input string to be tokenized. |
| * |
| * @return A list of tokens. |
| */ |
| - (NSArray<NSString *> *)tokensFromInput:(NSString *)input; |
| |
| /* |
| * Convert a list of tokens back to their coressponding IDs. |
| * @param tokens The tokens to be converted. |
| * |
| * @return A list of ids. |
| */ |
| - (NSArray<NSNumber *> *)idsFromTokens:(NSArray<NSString *> *)tokens; |
| @end |
| NS_ASSUME_NONNULL_END |
