components/spellcheck/common/spellcheck_result.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_RESULT_H_
#define COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_RESULT_H_

#include <stdint.h>
#include <string>
#include <vector>


// This class mirrors blink::WebTextCheckingResult which holds a
// misspelled range inside the checked text. It also contains a
// possible replacement of the misspelling if it is available.
struct SpellCheckResult {
  enum Decoration {
    // Red underline for misspelled words.
    SPELLING,

    // Gray underline for correctly spelled words that are incorrectly used in
    // their context.
    GRAMMAR,
    LAST = GRAMMAR,
  };

  explicit SpellCheckResult(
      Decoration d = SPELLING,
      int loc = 0,
      int len = 0,
      const std::vector<std::u16string>& rep = std::vector<std::u16string>());

  explicit SpellCheckResult(Decoration d,
                            int loc,
                            int len,
                            const std::u16string& rep);

  ~SpellCheckResult();
  SpellCheckResult(const SpellCheckResult&);

  Decoration decoration;

  // The zero-based index where the misspelling starts. For spell check results
  // returned by the local spell check infrastructure, this is measured by
  // the code point count, i.e. each surrogate pair, such as emojis, will count
  // for 2 positions. For results returned by enhanced (server side) spell
  // check, positions are based on "logical" characters, i.e. emojis and their
  // modifiers count for 1.
  int location;

  // The length of the misspelled word. The same code point / logical character
  // count distinction as for `location` applies.
  int length;

  std::vector<std::u16string> replacements;
  bool spelling_service_used = false;
};

#endif  // COMPONENTS_SPELLCHECK_COMMON_SPELLCHECK_RESULT_H_