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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SPELLCHECK_RENDERER_CUSTOM_DICTIONARY_ENGINE_H_
#define COMPONENTS_SPELLCHECK_RENDERER_CUSTOM_DICTIONARY_ENGINE_H_
#include <set>
#include <string>
#include "base/macros.h"
#include "base/strings/string16.h"
// Custom spellcheck dictionary. Words in this dictionary are always correctly
// spelled. Words that are not in this dictionary may or may not be correctly
// spelled.
class CustomDictionaryEngine {
public:
CustomDictionaryEngine();
~CustomDictionaryEngine();
// Initialize the custom dictionary engine.
void Init(const std::set<std::string>& words);
// Spellcheck |text|. Assumes that another spelling engine has set
// |misspelling_start| and |misspelling_len| to indicate a misspelling.
// Returns true if there are no misspellings, otherwise returns false.
bool SpellCheckWord(const base::string16& text,
int misspelling_start,
int misspelling_len);
// Update custom dictionary words.
void OnCustomDictionaryChanged(const std::set<std::string>& words_added,
const std::set<std::string>& words_removed);
private:
// Correctly spelled words.
std::set<base::string16> dictionary_;
DISALLOW_COPY_AND_ASSIGN(CustomDictionaryEngine);
};
#endif // COMPONENTS_SPELLCHECK_RENDERER_CUSTOM_DICTIONARY_ENGINE_H_
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