1 /* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef MockSpellCheck_h 32 #define MockSpellCheck_h 33 34 #include <wtf/HashMap.h> 35 #include <wtf/text/StringHash.h> 36 #include <wtf/text/WTFString.h> 37 38 namespace WebKit { 39 class WebString; 40 } 41 42 // A mock implementation of a spell-checker used for WebKit tests. 43 // This class only implements the minimal functionarities required by WebKit 44 // tests, i.e. this class just compares the given string with known misspelled 45 // words in webkit tests and mark them as missspelled. 46 // Even though this is sufficent for webkit tests, this class is not suitable 47 // for any other usages. 48 class MockSpellCheck { 49 public: 50 MockSpellCheck(); 51 ~MockSpellCheck(); 52 53 // Checks the spellings of the specified text. 54 // This function returns true if the text consists of valid words, and 55 // returns false if it includes invalid words. 56 // When the given text includes invalid words, this function sets the 57 // position of the first invalid word to misspelledOffset, and the length of 58 // the first invalid word to misspelledLength, respectively. 59 // For example, when the given text is " zz zz", this function sets 3 to 60 // misspelledOffset and 2 to misspelledLength, respectively. 61 bool spellCheckWord(const WebKit::WebString& text, 62 int* misspelledOffset, 63 int* misspelledLength); 64 65 void fillSuggestionList(const WebKit::WebString& word, Vector<WebKit::WebString>* suggestions); 66 private: 67 // Initialize the internal resources if we need to initialize it. 68 // Initializing this object may take long time. To prevent from hurting 69 // the performance of test_shell, we initialize this object when 70 // SpellCheckWord() is called for the first time. 71 // To be compliant with SpellCheck:InitializeIfNeeded(), this function 72 // returns true if this object is downloading a dictionary, otherwise 73 // it returns false. 74 bool initializeIfNeeded(); 75 76 // A table that consists of misspelled words. 77 HashMap<WTF::String, bool> m_misspelledWords; 78 79 // A flag representing whether or not this object is initialized. 80 bool m_initialized; 81 }; 82 83 #endif // MockSpellCheck_h 84