/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/sentencepiece/test_utils.h"
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#include <memory>
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#include "utils/base/integral_types.h"
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#include "utils/sentencepiece/double_array_trie.h"
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#include "utils/strings/stringpiece.h"
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namespace libtextclassifier3 {
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SentencePieceNormalizer NormalizerFromSpec(StringPiece spec,
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bool add_dummy_prefix,
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bool remove_extra_whitespaces,
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bool escape_whitespaces) {
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const uint32 trie_blob_size = reinterpret_cast<const uint32*>(spec.data())[0];
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spec.RemovePrefix(sizeof(trie_blob_size));
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const TrieNode* trie_blob = reinterpret_cast<const TrieNode*>(spec.data());
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spec.RemovePrefix(trie_blob_size);
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const int num_nodes = trie_blob_size / sizeof(TrieNode);
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return SentencePieceNormalizer(
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DoubleArrayTrie(trie_blob, num_nodes),
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/*charsmap_normalized=*/StringPiece(spec.data(), spec.size()),
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add_dummy_prefix, remove_extra_whitespaces, escape_whitespaces);
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}
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} // namespace libtextclassifier3
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