determine_possible_field_types.cc | Explore in Territory

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/autofill/core/browser/crowdsourcing/determine_possible_field_types.h"

#include "base/metrics/histogram_functions.h"
#include "components/autofill/core/browser/autofill_field.h"
#include "components/autofill/core/browser/crowdsourcing/disambiguate_possible_field_types.h"
#include "components/autofill/core/browser/data_model/address.h"
#include "components/autofill/core/browser/data_model/credit_card.h"
#include "components/autofill/core/browser/field_type_utils.h"
#include "components/autofill/core/browser/field_types.h"
#include "components/autofill/core/browser/form_structure.h"
#include "components/autofill/core/browser/validation.h"
#include "components/autofill/core/common/autofill_features.h"
#include "components/autofill/core/common/autofill_regex_constants.h"
#include "components/autofill/core/common/autofill_regexes.h"

namespace autofill {

namespace {

// Finds the first field in |form_structure| with |field.value|=|value|.
AutofillField* FindFirstFieldWithValue(const FormStructure& form_structure,
                                       const std::u16string& value) { … }

// Heuristically identifies all possible credit card verification fields.
AutofillField* HeuristicallyFindCVCFieldForUpload(
    const FormStructure& form_structure) { … }

// Iff the CVC of the credit card is known, find the first field with this
// value (also set |properties_mask| to |kKnownValue|). Otherwise, heuristically
// search for the CVC field if any.
AutofillField* GetBestPossibleCVCFieldForUpload(
    const FormStructure& form_structure,
    std::u16string last_unlocked_credit_card_cvc) { … }

// Extracts the value from `field`. Then for each profile or credit card,
// identify any stored types that match the value. Runs additional heuristics
// for increased accuracy. Defaults to `{UNKNOWN_TYPE}` if no types could be
// found.
void FindAndSetPossibleFieldTypesForField(
    AutofillField& field,
    const std::vector<AutofillProfile>& profiles,
    const std::vector<CreditCard>& credit_cards,
    const std::string& app_locale) { … }

// For each `form` field, searches for the field value in profiles and credit
// cards and sets the field's possible types accordingly. Special heuristics are
// run for finding the CVC field.
void FindAndSetPossibleFieldTypes(
    const std::vector<AutofillProfile>& profiles,
    const std::vector<CreditCard>& credit_cards,
    const std::u16string& last_unlocked_credit_card_cvc,
    const std::string& app_locale,
    FormStructure& form) { … }

}  // namespace

void DeterminePossibleFieldTypesForUpload(
    const std::vector<AutofillProfile>& profiles,
    const std::vector<CreditCard>& credit_cards,
    const std::u16string& last_unlocked_credit_card_cvc,
    const std::string& app_locale,
    FormStructure* form) { … }

}  // namespace autofill
chromium/components/autofill/core/browser/crowdsourcing/determine_possible_field_types.cc
