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// Copyright 2014 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_TEST_RUNNER_MOCK_SPELL_CHECK_H_
#define COMPONENTS_TEST_RUNNER_MOCK_SPELL_CHECK_H_
#include <vector>
#include "base/basictypes.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebVector.h"
#include "third_party/WebKit/public/web/WebTextCheckingResult.h"
namespace test_runner {
// A mock implementation of a spell-checker used for WebKit tests.
// This class only implements the minimal functionarities required by WebKit
// tests, i.e. this class just compares the given string with known misspelled
// words in webkit tests and mark them as missspelled.
// Even though this is sufficent for webkit tests, this class is not suitable
// for any other usages.
class MockSpellCheck {
public:
static void FillSuggestionList(
const blink::WebString& word,
blink::WebVector<blink::WebString>* suggestions);
MockSpellCheck();
~MockSpellCheck();
// Checks the spellings of the specified text.
// This function returns true if the text consists of valid words, and
// returns false if it includes invalid words.
// When the given text includes invalid words, this function sets the
// position of the first invalid word to misspelledOffset, and the length of
// the first invalid word to misspelledLength, respectively.
// For example, when the given text is " zz zz", this function sets 3 to
// misspelledOffset and 2 to misspelledLength, respectively.
bool SpellCheckWord(const blink::WebString& text,
int* misspelled_offset,
int* misspelled_length);
// Checks whether the specified text can be spell checked immediately using
// the spell checker cache.
bool HasInCache(const blink::WebString& text);
// Checks whether the specified text is a misspelling comprised of more
// than one word. If it is, append multiple results to the results vector.
bool IsMultiWordMisspelling(
const blink::WebString& text,
std::vector<blink::WebTextCheckingResult>* results);
private:
// Initialize the internal resources if we need to initialize it.
// Initializing this object may take long time. To prevent from hurting
// the performance of test_shell, we initialize this object when
// SpellCheckWord() is called for the first time.
// To be compliant with SpellCheck:InitializeIfNeeded(), this function
// returns true if this object is downloading a dictionary, otherwise
// it returns false.
bool InitializeIfNeeded();
// A table that consists of misspelled words.
std::vector<base::string16> misspelled_words_;
// A flag representing whether or not this object is initialized.
bool initialized_;
DISALLOW_COPY_AND_ASSIGN(MockSpellCheck);
};
} // namespace test_runner
#endif // COMPONENTS_TEST_RUNNER_MOCK_SPELL_CHECK_H_
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