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// Copyright (C) 2019 Google LLC
//
// 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.
#ifndef ICING_TOKENIZATION_TOKENIZER_FACTORY_H_
#define ICING_TOKENIZATION_TOKENIZER_FACTORY_H_
#include <memory>
#include "icing/text_classifier/lib3/utils/base/statusor.h"
#include "icing/absl_ports/canonical_errors.h"
#include "icing/proto/schema.pb.h"
#include "icing/tokenization/language-segmenter.h"
#include "icing/tokenization/tokenizer.h"
namespace icing {
namespace lib {
namespace tokenizer_factory {
// Factory function to create an indexing Tokenizer which does not take
// ownership of any input components, and all pointers must refer to valid
// objects that outlive the created Tokenizer instance.
//
// Returns:
// A tokenizer on success
// FAILED_PRECONDITION on any null pointer input
// INVALID_ARGUMENT if tokenizer type is invalid
libtextclassifier3::StatusOr<std::unique_ptr<Tokenizer>>
CreateIndexingTokenizer(IndexingConfig::TokenizerType::Code type,
const LanguageSegmenter* lang_segmenter);
// All the supported query tokenizer types
enum QueryTokenizerType { RAW_QUERY = 0 };
// Factory function to create a query Tokenizer which does not take ownership of
// any input components, and all pointers must refer to valid objects that
// outlive the created Tokenizer instance.
//
// Returns:
// A tokenizer on success
// FAILED_PRECONDITION on any null pointer input
// INVALID_ARGUMENT if tokenizer type is invalid
libtextclassifier3::StatusOr<std::unique_ptr<Tokenizer>> CreateQueryTokenizer(
QueryTokenizerType query_tokenizer_type,
const LanguageSegmenter* lang_segmenter);
} // namespace tokenizer_factory
} // namespace lib
} // namespace icing
#endif // ICING_TOKENIZATION_TOKENIZER_FACTORY_H_
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