| // Copyright 2015 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. |
| |
| #include "components/autofill/core/common/autofill_l10n_util.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "base/i18n/string_compare.h" |
| #include "base/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/metrics/histogram_macros.h" |
| |
| namespace autofill { |
| namespace l10n { |
| |
| std::unique_ptr<icu::Collator> GetCollatorForLocale(const icu::Locale& locale) { |
| UErrorCode ignored = U_ZERO_ERROR; |
| std::unique_ptr<icu::Collator> collator( |
| icu::Collator::createInstance(locale, ignored)); |
| if (!collator) { |
| // On some systems, the default locale is invalid to the eyes of the ICU |
| // library. This could be due to a device-specific issue (has been seen in |
| // the wild on Android and iOS devices). In the failure case, |collator| |
| // will be null. See http://crbug.com/558625. |
| icu::UnicodeString name; |
| std::string locale_name; |
| locale.getDisplayName(name).toUTF8String(locale_name); |
| LOG(ERROR) << "Failed to initialize the ICU Collator with locale " |
| << locale_name; |
| |
| // Attempt to load the English locale. |
| collator = base::WrapUnique( |
| icu::Collator::createInstance(icu::Locale::getEnglish(), ignored)); |
| if (!collator) { |
| LOG(ERROR) << "Failed to initialize the ICU Collator with the English " |
| << "locale."; |
| } |
| } |
| |
| UMA_HISTOGRAM_BOOLEAN("Autofill.IcuCollatorCreationSuccess", !!collator); |
| return collator; |
| } |
| |
| CaseInsensitiveCompare::CaseInsensitiveCompare() |
| : CaseInsensitiveCompare(icu::Locale::getDefault()) {} |
| |
| CaseInsensitiveCompare::CaseInsensitiveCompare(const icu::Locale& locale) |
| : collator_(GetCollatorForLocale(locale)) { |
| if (collator_) |
| collator_->setStrength(icu::Collator::PRIMARY); |
| } |
| |
| CaseInsensitiveCompare::~CaseInsensitiveCompare() { |
| } |
| |
| bool CaseInsensitiveCompare::StringsEqual(const base::string16& lhs, |
| const base::string16& rhs) const { |
| if (collator_) { |
| return base::i18n::CompareString16WithCollator(*collator_, lhs, rhs) == |
| UCOL_EQUAL; |
| } |
| return lhs == rhs; |
| } |
| |
| } // namespace l10n |
| } // namespace autofill |