vitess.io/vitess@v0.16.2/go/vt/topo/topoproto/flag.go (about)

     1  /*
     2  Copyright 2019 The Vitess Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package topoproto
    18  
    19  import (
    20  	"strings"
    21  
    22  	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
    23  )
    24  
    25  // TabletTypeListFlag implements the pflag.Value interface, for parsing a command-line comma-separated
    26  // list of values into a slice of TabletTypes.
    27  type TabletTypeListFlag []topodatapb.TabletType
    28  
    29  // String is part of the pflag.Value interface.
    30  func (ttlv *TabletTypeListFlag) String() string {
    31  	return strings.Join(MakeStringTypeList(*ttlv), ",")
    32  }
    33  
    34  // Set is part of the pflag.Value interface.
    35  func (ttlv *TabletTypeListFlag) Set(v string) (err error) {
    36  	*ttlv, err = ParseTabletTypes(v)
    37  	return err
    38  }
    39  
    40  // Type is part of the pflag.Value interface.
    41  func (ttlv *TabletTypeListFlag) Type() string {
    42  	return "strings"
    43  }
    44  
    45  // TabletTypeFlag implements the pflag.Value interface, for parsing a command-line value into a TabletType.
    46  type TabletTypeFlag topodatapb.TabletType
    47  
    48  // String is part of the pflag.Value interfaces.
    49  func (ttf *TabletTypeFlag) String() string {
    50  	return topodatapb.TabletType(*ttf).String()
    51  }
    52  
    53  // Set is part of the pflag.Value interfaces.
    54  func (ttf *TabletTypeFlag) Set(v string) error {
    55  	t, err := ParseTabletType(v)
    56  	*ttf = TabletTypeFlag(t)
    57  	return err
    58  }
    59  
    60  // Type is part of the pflag.Value interface.
    61  func (*TabletTypeFlag) Type() string { return "topodatapb.TabletType" }