1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "utils/sentencepiece/test_utils.h" 18 19 #include <memory> 20 21 #include "utils/base/integral_types.h" 22 #include "utils/sentencepiece/double_array_trie.h" 23 #include "utils/strings/stringpiece.h" 24 25 namespace libtextclassifier3 { 26 27 SentencePieceNormalizer NormalizerFromSpec(StringPiece spec, 28 bool add_dummy_prefix, 29 bool remove_extra_whitespaces, 30 bool escape_whitespaces) { 31 const uint32 trie_blob_size = reinterpret_cast<const uint32*>(spec.data())[0]; 32 spec.RemovePrefix(sizeof(trie_blob_size)); 33 const TrieNode* trie_blob = reinterpret_cast<const TrieNode*>(spec.data()); 34 spec.RemovePrefix(trie_blob_size); 35 const int num_nodes = trie_blob_size / sizeof(TrieNode); 36 return SentencePieceNormalizer( 37 DoubleArrayTrie(trie_blob, num_nodes), 38 /*charsmap_normalized=*/StringPiece(spec.data(), spec.size()), 39 add_dummy_prefix, remove_extra_whitespaces, escape_whitespaces); 40 } 41 42 } // namespace libtextclassifier3 43
