1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/renderer/spellchecker/custom_dictionary_engine.h" 6 7 #include "base/logging.h" 8 #include "base/strings/utf_string_conversions.h" 9 10 CustomDictionaryEngine::CustomDictionaryEngine() { 11 } 12 13 CustomDictionaryEngine::~CustomDictionaryEngine() { 14 } 15 16 void CustomDictionaryEngine::Init(const std::set<std::string>& custom_words) { 17 // SpellingMenuOberver calls UTF16ToUTF8(word) to convert words for storage, 18 // synchronization, and use in the custom dictionary engine. Since 19 // (UTF8ToUTF16(UTF16ToUTF8(word)) == word) holds, the engine does not need to 20 // normalize the strings. 21 for (std::set<std::string>::const_iterator it = custom_words.begin(); 22 it != custom_words.end(); 23 ++it) { 24 dictionary_.insert(UTF8ToUTF16(*it)); 25 } 26 } 27 28 void CustomDictionaryEngine::OnCustomDictionaryChanged( 29 const std::vector<std::string>& words_added, 30 const std::vector<std::string>& words_removed) { 31 for (std::vector<std::string>::const_iterator it = words_added.begin(); 32 it != words_added.end(); 33 ++it) { 34 dictionary_.insert(UTF8ToUTF16(*it)); 35 } 36 for (std::vector<std::string>::const_iterator it = words_removed.begin(); 37 it != words_removed.end(); 38 ++it) { 39 dictionary_.erase(UTF8ToUTF16(*it)); 40 } 41 } 42 43 bool CustomDictionaryEngine::SpellCheckWord( 44 const base::string16& text, 45 int misspelling_start, 46 int misspelling_len) { 47 // The text to be checked is empty on OSX(async) right now. 48 // TODO(groby): Fix as part of async hook-up. (http://crbug.com/178241) 49 return 50 misspelling_start >= 0 && 51 misspelling_len > 0 && 52 size_t(misspelling_start + misspelling_len) <= text.length() && 53 dictionary_.count(text.substr(misspelling_start, misspelling_len)) > 0; 54 } 55
