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51 lines
1.7 KiB
51 lines
1.7 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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#ifndef LIBTEXTCLASSIFIER_ANNOTATOR_DATETIME_DATETIME_GROUNDER_H_
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#define LIBTEXTCLASSIFIER_ANNOTATOR_DATETIME_DATETIME_GROUNDER_H_
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#include <vector>
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#include "annotator/datetime/datetime_generated.h"
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#include "annotator/types.h"
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#include "utils/base/statusor.h"
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#include "utils/calendar/calendar.h"
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namespace libtextclassifier3 {
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// Utility class to resolve and complete an ungrounded datetime specification.
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class DatetimeGrounder {
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public:
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explicit DatetimeGrounder(const CalendarLib* calendarlib);
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// Resolves ambiguities and produces concrete datetime results from an
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// ungrounded datetime specification.
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StatusOr<std::vector<DatetimeParseResult>> Ground(
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const int64 reference_time_ms_utc, const std::string& reference_timezone,
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const std::string& reference_locale,
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const grammar::datetime::UngroundedDatetime* ungrounded_datetime) const;
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bool IsValidUngroundedDatetime(
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const grammar::datetime::UngroundedDatetime* ungrounded_datetime) const;
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private:
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const CalendarLib& calendarlib_;
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};
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_ANNOTATOR_DATETIME_DATETIME_GROUNDER_H_
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