/*
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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_STRIP_UNPAIRED_BRACKETS_H_
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#define LIBTEXTCLASSIFIER_ANNOTATOR_STRIP_UNPAIRED_BRACKETS_H_
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#include <string>
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#include "annotator/types.h"
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#include "utils/utf8/unilib.h"
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namespace libtextclassifier3 {
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// If the first or the last codepoint of the given span is a bracket, the
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// bracket is stripped if the span does not contain its corresponding paired
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// version.
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CodepointSpan StripUnpairedBrackets(const std::string& context,
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CodepointSpan span, const UniLib& unilib);
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// Same as above but takes UnicodeText instance directly.
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CodepointSpan StripUnpairedBrackets(const UnicodeText& context_unicode,
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CodepointSpan span, const UniLib& unilib);
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_ANNOTATOR_STRIP_UNPAIRED_BRACKETS_H_
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