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58 lines
1.6 KiB
58 lines
1.6 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_UTILS_GRAMMAR_TEXT_CONTEXT_H_
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#define LIBTEXTCLASSIFIER_UTILS_GRAMMAR_TEXT_CONTEXT_H_
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#include <vector>
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#include "annotator/types.h"
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#include "utils/i18n/locale.h"
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#include "utils/utf8/unicodetext.h"
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namespace libtextclassifier3::grammar {
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// Input to the parser.
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struct TextContext {
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// Returns a view on a span of the text.
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const UnicodeText Span(const CodepointSpan& span) const {
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return text.Substring(codepoints[span.first], codepoints[span.second],
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/*do_copy=*/false);
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}
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// The input text.
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UnicodeText text;
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// Pre-enumerated codepoints for fast substring extraction.
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std::vector<UnicodeText::const_iterator> codepoints;
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// The tokenized input text.
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std::vector<Token> tokens;
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// Locales of the input text.
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std::vector<Locale> locales;
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// Text annotations.
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std::vector<AnnotatedSpan> annotations;
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// The span of tokens to consider.
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TokenSpan context_span;
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};
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}; // namespace libtextclassifier3::grammar
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#endif // LIBTEXTCLASSIFIER_UTILS_GRAMMAR_TEXT_CONTEXT_H_
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