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// Copyright 2013 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/browser/autofill_data_model.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "base/strings/string_number_conversions.h"
#include "base/utf_string_conversions.h"
#include "components/autofill/browser/autofill_country.h"
#include "components/autofill/browser/autofill_field.h"
#include "components/autofill/browser/state_names.h"
#include "components/autofill/browser/validation.h"
#include "components/autofill/common/form_field_data.h"
#include "googleurl/src/gurl.h"
#include "grit/component_resources.h"
#include "ui/base/l10n/l10n_util.h"
namespace autofill {
namespace {
const char* const kMonthsAbbreviated[] = {
NULL, // Padding so index 1 = month 1 = January.
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
};
const char* const kMonthsFull[] = {
NULL, // Padding so index 1 = month 1 = January.
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December",
};
const char* const kMonthsNumeric[] = {
NULL, // Padding so index 1 = month 1 = January.
"1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
};
// Returns true if the value was successfully set, meaning |value| was found in
// the list of select options in |field|.
bool SetSelectControlValue(const base::string16& value,
FormFieldData* field) {
base::string16 value_lowercase = StringToLowerASCII(value);
DCHECK_EQ(field->option_values.size(), field->option_contents.size());
for (size_t i = 0; i < field->option_values.size(); ++i) {
if (value_lowercase == StringToLowerASCII(field->option_values[i]) ||
value_lowercase == StringToLowerASCII(field->option_contents[i])) {
field->value = field->option_values[i];
return true;
}
}
return false;
}
bool FillStateSelectControl(const base::string16& value,
FormFieldData* field) {
base::string16 abbreviation = value;
base::string16 full = state_names::GetNameForAbbreviation(value);
if (full.empty()) {
abbreviation = state_names::GetAbbreviationForName(value);
full = value;
}
// Try the abbreviation first.
if (!abbreviation.empty() && SetSelectControlValue(abbreviation, field))
return true;
return !full.empty() && SetSelectControlValue(full, field);
}
bool FillExpirationMonthSelectControl(const base::string16& value,
FormFieldData* field) {
int index = 0;
if (!base::StringToInt(value, &index) ||
index <= 0 ||
static_cast<size_t>(index) >= arraysize(kMonthsFull))
return false;
bool filled =
SetSelectControlValue(ASCIIToUTF16(kMonthsAbbreviated[index]), field) ||
SetSelectControlValue(ASCIIToUTF16(kMonthsFull[index]), field) ||
SetSelectControlValue(ASCIIToUTF16(kMonthsNumeric[index]), field);
return filled;
}
// Try to fill a credit card type |value| (Visa, MasterCard, etc.) into the
// given |field|.
bool FillCreditCardTypeSelectControl(const base::string16& value,
FormFieldData* field) {
// Try stripping off spaces.
base::string16 value_stripped;
RemoveChars(StringToLowerASCII(value), kWhitespaceUTF16, &value_stripped);
for (size_t i = 0; i < field->option_values.size(); ++i) {
base::string16 option_value_lowercase;
RemoveChars(StringToLowerASCII(field->option_values[i]), kWhitespaceUTF16,
&option_value_lowercase);
base::string16 option_contents_lowercase;
RemoveChars(StringToLowerASCII(field->option_contents[i]), kWhitespaceUTF16,
&option_contents_lowercase);
// Perform a case-insensitive comparison; but fill the form with the
// original text, not the lowercased version.
if (value_stripped == option_value_lowercase ||
value_stripped == option_contents_lowercase) {
field->value = field->option_values[i];
return true;
}
}
// For American Express, also try filling as "AmEx".
if (value == l10n_util::GetStringUTF16(IDS_AUTOFILL_CC_AMEX))
return FillCreditCardTypeSelectControl(ASCIIToUTF16("AmEx"), field);
return false;
}
} // namespace
AutofillDataModel::AutofillDataModel(const std::string& guid,
const std::string& origin)
: guid_(guid),
origin_(origin) {}
AutofillDataModel::~AutofillDataModel() {}
void AutofillDataModel::FillSelectControl(AutofillFieldType type,
const std::string& app_locale,
FormFieldData* field) const {
DCHECK(field);
DCHECK_EQ("select-one", field->form_control_type);
DCHECK_EQ(field->option_values.size(), field->option_contents.size());
base::string16 field_text = GetInfo(type, app_locale);
base::string16 field_text_lower = StringToLowerASCII(field_text);
if (field_text.empty())
return;
base::string16 value;
for (size_t i = 0; i < field->option_values.size(); ++i) {
if (field_text == field->option_values[i] ||
field_text == field->option_contents[i]) {
// An exact match, use it.
value = field->option_values[i];
break;
}
if (field_text_lower == StringToLowerASCII(field->option_values[i]) ||
field_text_lower == StringToLowerASCII(field->option_contents[i])) {
// A match, but not in the same case. Save it in case an exact match is
// not found.
value = field->option_values[i];
}
}
if (!value.empty()) {
field->value = value;
return;
}
if (type == ADDRESS_HOME_STATE || type == ADDRESS_BILLING_STATE) {
FillStateSelectControl(field_text, field);
} else if (type == ADDRESS_HOME_COUNTRY || type == ADDRESS_BILLING_COUNTRY) {
FillCountrySelectControl(app_locale, field);
} else if (type == CREDIT_CARD_EXP_MONTH) {
FillExpirationMonthSelectControl(field_text, field);
} else if (type == CREDIT_CARD_EXP_4_DIGIT_YEAR) {
// Attempt to fill the year as a 2-digit year. This compensates for the
// fact that our heuristics do not always correctly detect when a website
// requests a 2-digit rather than a 4-digit year.
FillSelectControl(CREDIT_CARD_EXP_2_DIGIT_YEAR, app_locale, field);
} else if (type == CREDIT_CARD_TYPE) {
FillCreditCardTypeSelectControl(field_text, field);
}
}
bool AutofillDataModel::FillCountrySelectControl(
const std::string& app_locale,
FormFieldData* field_data) const {
return false;
}
bool AutofillDataModel::IsVerified() const {
return !origin_.empty() && !GURL(origin_).is_valid();
}
} // namespace autofill
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