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// Copyright (c) 2011 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 CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_
#define CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_
#pragma once
#include <ostream>
#include <string>
#include <vector>
#include "base/string16.h"
#include "chrome/browser/autofill/field_types.h"
#include "chrome/browser/autofill/form_group.h"
// A form group that stores credit card information.
class CreditCard : public FormGroup {
public:
explicit CreditCard(const std::string& guid);
// For use in STL containers.
CreditCard();
CreditCard(const CreditCard& credit_card);
virtual ~CreditCard();
// FormGroup implementation:
virtual void GetPossibleFieldTypes(const string16& text,
FieldTypeSet* possible_types) const;
virtual void GetAvailableFieldTypes(FieldTypeSet* available_types) const;
virtual string16 GetInfo(AutofillFieldType type) const;
virtual void SetInfo(AutofillFieldType type, const string16& value);
// Credit card preview summary, for example: ******1234, Exp: 01/2020
virtual const string16 Label() const;
// Special method to set value for HTML5 month input type.
void SetInfoForMonthInputType(const string16& value);
// The number altered for display, for example: ******1234
string16 ObfuscatedNumber() const;
// The last four digits of the credit card number.
string16 LastFourDigits() const;
const std::string& type() const { return type_; }
// The guid is the primary identifier for |CreditCard| objects.
const std::string guid() const { return guid_; }
void set_guid(const std::string& guid) { guid_ = guid; }
// For use in STL containers.
void operator=(const CreditCard& credit_card);
// Comparison for Sync. Returns 0 if the credit card is the same as |this|,
// or < 0, or > 0 if it is different. The implied ordering can be used for
// culling duplicates. The ordering is based on collation order of the
// textual contents of the fields.
// GUIDs, labels, and unique IDs are not compared, only the values of the
// credit cards themselves.
int Compare(const CreditCard& credit_card) const;
// Used by tests.
bool operator==(const CreditCard& credit_card) const;
bool operator!=(const CreditCard& credit_card) const;
// Return a version of |number| that has any separator characters removed.
static const string16 StripSeparators(const string16& number);
// Returns true if |text| looks like a valid credit card number.
// Uses the Luhn formula to validate the number.
static bool IsValidCreditCardNumber(const string16& text);
// Returns true if there are no values (field types) set.
bool IsEmpty() const;
// Returns the credit card number.
const string16& number() const { return number_; }
private:
// The month and year are zero if not present.
int Expiration4DigitYear() const { return expiration_year_; }
int Expiration2DigitYear() const { return expiration_year_ % 100; }
string16 ExpirationMonthAsString() const;
string16 Expiration4DigitYearAsString() const;
string16 Expiration2DigitYearAsString() const;
// Sets |expiration_month_| to the integer conversion of |text|.
void SetExpirationMonthFromString(const string16& text);
// Sets |expiration_year_| to the integer conversion of |text|.
void SetExpirationYearFromString(const string16& text);
// Sets |number_| to the stripped version of |number|, containing only digits.
void SetNumber(const string16& number);
// These setters verify that the month and year are within appropriate
// ranges.
void SetExpirationMonth(int expiration_month);
void SetExpirationYear(int expiration_year);
// Returns true if |text| matches the name on the card. The comparison is
// case-insensitive.
bool IsNameOnCard(const string16& text) const;
// Returns true if |text| matches the card number.
bool IsNumber(const string16& text) const;
// Returns true if |text| matches the expiration month of the card.
bool IsExpirationMonth(const string16& text) const;
// Returns true if the integer value of |text| matches the 2-digit expiration
// year.
bool Is2DigitExpirationYear(const string16& text) const;
// Returns true if the integer value of |text| matches the 4-digit expiration
// year.
bool Is4DigitExpirationYear(const string16& text) const;
string16 number_; // The credit card number.
string16 name_on_card_; // The cardholder's name.
std::string type_; // The type of the card.
// These members are zero if not present.
int expiration_month_;
int expiration_year_;
// The guid of this credit card.
std::string guid_;
};
// So we can compare CreditCards with EXPECT_EQ().
std::ostream& operator<<(std::ostream& os, const CreditCard& credit_card);
// The string identifiers for credit card icon resources.
extern const char* const kAmericanExpressCard;
extern const char* const kDinersCard;
extern const char* const kDiscoverCard;
extern const char* const kGenericCard;
extern const char* const kJCBCard;
extern const char* const kMasterCard;
extern const char* const kSoloCard;
extern const char* const kVisaCard;
#endif // CHROME_BROWSER_AUTOFILL_CREDIT_CARD_H_
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