1*9e965d6fSRomain Jobredeaux// Copyright 2018 The Bazel Authors. All rights reserved. 2*9e965d6fSRomain Jobredeaux// 3*9e965d6fSRomain Jobredeaux// Licensed under the Apache License, Version 2.0 (the "License"); 4*9e965d6fSRomain Jobredeaux// you may not use this file except in compliance with the License. 5*9e965d6fSRomain Jobredeaux// You may obtain a copy of the License at 6*9e965d6fSRomain Jobredeaux// 7*9e965d6fSRomain Jobredeaux// http://www.apache.org/licenses/LICENSE-2.0 8*9e965d6fSRomain Jobredeaux// 9*9e965d6fSRomain Jobredeaux// Unless required by applicable law or agreed to in writing, software 10*9e965d6fSRomain Jobredeaux// distributed under the License is distributed on an "AS IS" BASIS, 11*9e965d6fSRomain Jobredeaux// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12*9e965d6fSRomain Jobredeaux// See the License for the specific language governing permissions and 13*9e965d6fSRomain Jobredeaux// limitations under the License. 14*9e965d6fSRomain Jobredeaux 15*9e965d6fSRomain Jobredeaux// Package flags provides extensions to the built-in flag module. 16*9e965d6fSRomain Jobredeauxpackage flags 17*9e965d6fSRomain Jobredeaux 18*9e965d6fSRomain Jobredeauximport ( 19*9e965d6fSRomain Jobredeaux "flag" 20*9e965d6fSRomain Jobredeaux "strings" 21*9e965d6fSRomain Jobredeaux) 22*9e965d6fSRomain Jobredeaux 23*9e965d6fSRomain Jobredeaux// StringList provides a flag type that parses a,comma,separated,string into a []string. 24*9e965d6fSRomain Jobredeauxtype StringList []string 25*9e965d6fSRomain Jobredeaux 26*9e965d6fSRomain Jobredeauxfunc (i *StringList) String() string { 27*9e965d6fSRomain Jobredeaux return strings.Join([]string(*i), ",") 28*9e965d6fSRomain Jobredeaux} 29*9e965d6fSRomain Jobredeaux 30*9e965d6fSRomain Jobredeaux// Set sets the flag value. 31*9e965d6fSRomain Jobredeauxfunc (i *StringList) Set(v string) error { 32*9e965d6fSRomain Jobredeaux *i = strings.Split(v, ",") 33*9e965d6fSRomain Jobredeaux return nil 34*9e965d6fSRomain Jobredeaux} 35*9e965d6fSRomain Jobredeaux 36*9e965d6fSRomain Jobredeaux// NewStringList creates a new StringList flag 37*9e965d6fSRomain Jobredeaux// var someFlag = flags.NewStringList("some_name", "some desc") 38*9e965d6fSRomain Jobredeauxfunc NewStringList(name, help string) *StringList { 39*9e965d6fSRomain Jobredeaux var r StringList 40*9e965d6fSRomain Jobredeaux flag.Var(&r, name, help) 41*9e965d6fSRomain Jobredeaux return &r 42*9e965d6fSRomain Jobredeaux} 43