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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_RENDERER_ACCESSIBILITY_PHRASE_SEGMENTATION_PHRASE_SEGMENTER_H_
#define CHROME_RENDERER_ACCESSIBILITY_PHRASE_SEGMENTATION_PHRASE_SEGMENTER_H_
#include <vector>
#include "chrome/renderer/accessibility/phrase_segmentation/base_phrase_segmenter.h"
#include "chrome/renderer/accessibility/phrase_segmentation/token_boundaries.h"
#include "chrome/renderer/accessibility/phrase_segmentation/tokenized_sentence.h"
// PhraseSegmenter breaks an input text into segments (phrases) by
// breaking the dependency graph of the tokens of the text.
// The algorithm is described in go/smart-highlighting.
class PhraseSegmenter : public BasePhraseSegmenter {
public:
// Returns a score for every boundary indicating the likelihood of breaking.
// The inputs are the tokenized sentence, the calculated token boundaries, the
// strategy for finding the segments ('words' or 'characters') and the
// threshold for the strategy.
std::vector<float> CalculatePhraseBoundariesVector(
const TokenizedSentence& tokenized_sentence,
const TokenBoundaries& token_boundaries,
Strategy strategy,
int threshold) override;
};
#endif // CHROME_RENDERER_ACCESSIBILITY_PHRASE_SEGMENTATION_PHRASE_SEGMENTER_H_
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