chromium/components/autofill/core/browser/data_model/credit_card.h

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_MODEL_CREDIT_CARD_H_
#define COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_MODEL_CREDIT_CARD_H_

#include <iosfwd>
#include <string>
#include <string_view>
#include <utility>

#include "base/gtest_prod_util.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "components/autofill/core/browser/data_model/autofill_data_model.h"
#include "components/autofill/core/browser/ui/suggestion.h"
#include "url/gurl.h"

namespace autofill {

// Unicode characters used in card number obfuscation:
//  - \u2022 - Bullet.
//  - \u2006 - SIX-PER-EM SPACE (small space between bullets).
//  - \u2060 - WORD-JOINER (makes obfuscated string indivisible).
inline constexpr char16_t kMidlineEllipsisDot[] = …;
inline constexpr char16_t kMidlineEllipsisPlainDot = …;

struct PaymentsMetadata;

namespace internal {

// Returns an obfuscated representation of a credit card number given its last
// digits. To ensure that the obfuscation is placed at the left of the last four
// digits, even for RTL languages, inserts a Left-To-Right Embedding mark at the
// beginning and a Pop Directional Formatting mark at the end.
// `obfuscation_length` determines the number of dots to placed before the
// digits. Exposed for testing.
std::u16string GetObfuscatedStringForCardDigits(const std::u16string& digits,
                                                int obfuscation_length);

}  // namespace internal

// A form group that stores card information.
class CreditCard : public AutofillDataModel { … };

// So we can compare CreditCards with EXPECT_EQ().
std::ostream& operator<<(std::ostream& os, const CreditCard& credit_card);

}  // namespace autofill

#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_DATA_MODEL_CREDIT_CARD_H_