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 "annotator/grammar/utils.h"
18
19 #include "utils/grammar/utils/rules.h"
20
21 namespace libtextclassifier3 {
22 namespace {
23
24 using ::libtextclassifier3::GrammarModel_::RuleClassificationResultT;
25
26 } // namespace
27
BuildTokenizer(const UniLib * unilib,const GrammarTokenizerOptions * options)28 Tokenizer BuildTokenizer(const UniLib* unilib,
29 const GrammarTokenizerOptions* options) {
30 TC3_CHECK(options != nullptr);
31
32 std::vector<const TokenizationCodepointRange*> codepoint_config;
33 if (options->tokenization_codepoint_config() != nullptr) {
34 codepoint_config.insert(codepoint_config.end(),
35 options->tokenization_codepoint_config()->begin(),
36 options->tokenization_codepoint_config()->end());
37 }
38 std::vector<const CodepointRange*> internal_codepoint_config;
39 if (options->internal_tokenizer_codepoint_ranges() != nullptr) {
40 internal_codepoint_config.insert(
41 internal_codepoint_config.end(),
42 options->internal_tokenizer_codepoint_ranges()->begin(),
43 options->internal_tokenizer_codepoint_ranges()->end());
44 }
45
46 const bool tokenize_on_script_change =
47 options->tokenization_codepoint_config() != nullptr &&
48 options->tokenize_on_script_change();
49 return Tokenizer(options->tokenization_type(), unilib, codepoint_config,
50 internal_codepoint_config, tokenize_on_script_change,
51 /*icu_preserve_whitespace_tokens=*/false);
52 }
53
AddRuleClassificationResult(const std::string & collection,const ModeFlag & enabled_modes,float priority_score,GrammarModelT * model)54 int AddRuleClassificationResult(const std::string& collection,
55 const ModeFlag& enabled_modes,
56 float priority_score, GrammarModelT* model) {
57 const int result_id = model->rule_classification_result.size();
58 model->rule_classification_result.emplace_back(new RuleClassificationResultT);
59 RuleClassificationResultT* result =
60 model->rule_classification_result.back().get();
61 result->collection_name = collection;
62 result->enabled_modes = enabled_modes;
63 result->priority_score = priority_score;
64 return result_id;
65 }
66
67 } // namespace libtextclassifier3
68