// 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.

syntax = "proto2";

package autofill.core.browser.payments;

option optimize_for = LITE_RUNTIME;

// The proto defines the set of heuristic regexes used for amount extraction
// from DOM search process. The set includes both the generic regexes that are
// applicable to all allowlisted merchants and the merchant specific regexes
// that are applicable to specific merchants. See http://shortn/_y8ukIThJlz for
// more details.
message HeuristicRegexes {
  // GenericDetails provides 2 regex patterns that used for matching amount and
  // keyword separately. Number of ancestor levels to search here defines the
  // maximum level of nodes to search for matching regex patterns.
  message GenericDetails {
    optional string amount_pattern = 1;
    optional string keyword_pattern = 2;
    optional uint32 number_of_ancestor_levels_to_search = 3;
  }

  optional GenericDetails generic_details = 1;
}