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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.
#include "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/plain-tokenizer.h"
#include "icing/tokenization/raw-query-tokenizer.h"
#include "icing/tokenization/tokenizer.h"
#include "icing/util/status-macros.h"
namespace icing {
namespace lib {
namespace tokenizer_factory {
libtextclassifier3::StatusOr<std::unique_ptr<Tokenizer>>
CreateIndexingTokenizer(StringIndexingConfig::TokenizerType::Code type,
const LanguageSegmenter* lang_segmenter) {
ICING_RETURN_ERROR_IF_NULL(lang_segmenter);
switch (type) {
case StringIndexingConfig::TokenizerType::PLAIN:
return std::make_unique<PlainTokenizer>(lang_segmenter);
case StringIndexingConfig::TokenizerType::NONE:
[[fallthrough]];
default:
// This should never happen.
return absl_ports::InvalidArgumentError(
"Invalid tokenizer type for an indexed section");
}
}
libtextclassifier3::StatusOr<std::unique_ptr<Tokenizer>> CreateQueryTokenizer(
QueryTokenizerType query_tokenizer_type,
const LanguageSegmenter* lang_segmenter) {
ICING_RETURN_ERROR_IF_NULL(lang_segmenter);
switch (query_tokenizer_type) {
case RAW_QUERY:
return std::make_unique<RawQueryTokenizer>(lang_segmenter);
default:
// This should never happen.
return absl_ports::InvalidArgumentError(
"Invalid tokenizer type for query");
}
}
} // namespace tokenizer_factory
} // namespace lib
} // namespace icing
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