// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

package google.ads.googleads.v16.enums;

option csharp_namespace = "Google.Ads.GoogleAds.V16.Enums";
option go_package = "google.golang.org/genproto/googleapis/ads/googleads/v16/enums;enums";
option java_multiple_files = true;
option java_outer_classname = "MatchingFunctionOperatorProto";
option java_package = "com.google.ads.googleads.v16.enums";
option objc_class_prefix = "GAA";
option php_namespace = "Google\\Ads\\GoogleAds\\V16\\Enums";
option ruby_package = "Google::Ads::GoogleAds::V16::Enums";

// Proto file describing matching function operators.

// Container for enum describing matching function operator.
message MatchingFunctionOperatorEnum {
  // Possible operators in a matching function.
  enum MatchingFunctionOperator {
    // Not specified.
    UNSPECIFIED = 0;

    // Used for return value only. Represents value unknown in this version.
    UNKNOWN = 1;

    // The IN operator.
    IN = 2;

    // The IDENTITY operator.
    IDENTITY = 3;

    // The EQUALS operator
    EQUALS = 4;

    // Operator that takes two or more operands that are of type
    // FunctionOperand and checks that all the operands evaluate to true.
    // For functions related to ad formats, all the operands must be in
    // left_operands.
    AND = 5;

    // Operator that returns true if the elements in left_operands contain any
    // of the elements in right_operands. Otherwise, return false. The
    // right_operands must contain at least 1 and no more than 3
    // ConstantOperands.
    CONTAINS_ANY = 6;
  }
}
