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79 lines
2.9 KiB
79 lines
2.9 KiB
/*
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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 "annotator/datetime/utils.h"
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namespace libtextclassifier3 {
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void FillInterpretations(const DatetimeParsedData& parse,
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const DatetimeGranularity& granularity,
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std::vector<DatetimeParsedData>* interpretations) {
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DatetimeParsedData modified_parse(parse);
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// If the relation field is not set, but relation_type field *is*, assume
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// the relation field is NEXT_OR_SAME. This is necessary to handle e.g.
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// "monday 3pm" (otherwise only "this monday 3pm" would work).
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if (parse.HasFieldType(DatetimeComponent::ComponentType::DAY_OF_WEEK)) {
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DatetimeComponent::RelativeQualifier relative_value;
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if (parse.GetRelativeValue(DatetimeComponent::ComponentType::DAY_OF_WEEK,
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&relative_value)) {
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if (relative_value == DatetimeComponent::RelativeQualifier::UNSPECIFIED) {
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modified_parse.SetRelativeValue(
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DatetimeComponent::ComponentType::DAY_OF_WEEK,
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DatetimeComponent::RelativeQualifier::THIS);
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}
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}
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}
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// Multiple interpretations of ambiguous datetime expressions are generated
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// here.
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if (granularity > DatetimeGranularity::GRANULARITY_DAY &&
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modified_parse.HasFieldType(DatetimeComponent::ComponentType::HOUR) &&
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!modified_parse.HasRelativeValue(
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DatetimeComponent::ComponentType::HOUR) &&
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!modified_parse.HasFieldType(
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DatetimeComponent::ComponentType::MERIDIEM)) {
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int hour_value;
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modified_parse.GetFieldValue(DatetimeComponent::ComponentType::HOUR,
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&hour_value);
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if (hour_value <= 12) {
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modified_parse.SetAbsoluteValue(
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DatetimeComponent::ComponentType::MERIDIEM, 0);
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interpretations->push_back(modified_parse);
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modified_parse.SetAbsoluteValue(
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DatetimeComponent::ComponentType::MERIDIEM, 1);
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interpretations->push_back(modified_parse);
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} else {
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interpretations->push_back(modified_parse);
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}
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} else {
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// Otherwise just generate 1 variant.
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interpretations->push_back(modified_parse);
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}
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}
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int GetAdjustedYear(const int parsed_year) {
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if (parsed_year < 100) {
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if (parsed_year < 50) {
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return parsed_year + 2000;
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} else {
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return parsed_year + 1900;
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}
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}
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return parsed_year;
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}
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} // namespace libtextclassifier3
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