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example_parse-for_test.go
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example_parse-for_test.go
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package cliargs_test
import (
"fmt"
"github.com/sttk/cliargs"
)
func ExampleParseFor() {
type MyOptions struct {
FooBar bool `optcfg:"foo-bar,f" optdesc:"FooBar description."`
Baz int `optcfg:"baz,b=99" optdesc:"Baz description." optarg:"<num>"`
Qux []string `optcfg:"qux,q=[A,B,C]" optdesc:"Qux description." optarg:"<text>"`
}
options := MyOptions{}
osArgs := []string{
"path/to/app",
"--foo-bar", "c1", "-b", "12", "--qux", "D", "c2", "-q", "E",
}
cmd, optCfgs, err := cliargs.ParseFor(osArgs, &options)
fmt.Printf("err = %v\n", err)
fmt.Printf("cmd.Name = %v\n", cmd.Name)
fmt.Printf("cmd.Args() = %v\n", cmd.Args())
fmt.Printf("optCfgs[0].StoreKey = %v\n", optCfgs[0].StoreKey)
fmt.Printf("optCfgs[0].Names = %v\n", optCfgs[0].Names)
fmt.Printf("optCfgs[0].HasArg = %v\n", optCfgs[0].HasArg)
fmt.Printf("optCfgs[0].IsArray = %v\n", optCfgs[0].IsArray)
fmt.Printf("optCfgs[0].Defaults = %v\n", optCfgs[0].Defaults)
fmt.Printf("optCfgs[0].Desc = %v\n", optCfgs[0].Desc)
fmt.Printf("optCfgs[1].StoreKey = %v\n", optCfgs[1].StoreKey)
fmt.Printf("optCfgs[1].Names = %v\n", optCfgs[1].Names)
fmt.Printf("optCfgs[1].HasArg = %v\n", optCfgs[1].HasArg)
fmt.Printf("optCfgs[1].IsArray = %v\n", optCfgs[1].IsArray)
fmt.Printf("optCfgs[1].Defaults = %v\n", optCfgs[1].Defaults)
fmt.Printf("optCfgs[1].Desc = %v\n", optCfgs[1].Desc)
fmt.Printf("optCfgs[1].ArgInHelp = %v\n", optCfgs[1].ArgInHelp)
fmt.Printf("optCfgs[2].StoreKey = %v\n", optCfgs[2].StoreKey)
fmt.Printf("optCfgs[2].Names = %v\n", optCfgs[2].Names)
fmt.Printf("optCfgs[2].HasArg = %v\n", optCfgs[2].HasArg)
fmt.Printf("optCfgs[2].IsArray = %v\n", optCfgs[2].IsArray)
fmt.Printf("optCfgs[2].Defaults = %v\n", optCfgs[2].Defaults)
fmt.Printf("optCfgs[2].Desc = %v\n", optCfgs[2].Desc)
fmt.Printf("optCfgs[2].ArgInHelp = %v\n", optCfgs[2].ArgInHelp)
fmt.Printf("options.FooBar = %v\n", options.FooBar)
fmt.Printf("options.Baz = %v\n", options.Baz)
fmt.Printf("options.Qux = %v\n", options.Qux)
// Output:
// err = <nil>
// cmd.Name = app
// cmd.Args() = [c1 c2]
// optCfgs[0].StoreKey = FooBar
// optCfgs[0].Names = [foo-bar f]
// optCfgs[0].HasArg = false
// optCfgs[0].IsArray = false
// optCfgs[0].Defaults = []
// optCfgs[0].Desc = FooBar description.
// optCfgs[1].StoreKey = Baz
// optCfgs[1].Names = [baz b]
// optCfgs[1].HasArg = true
// optCfgs[1].IsArray = false
// optCfgs[1].Defaults = [99]
// optCfgs[1].Desc = Baz description.
// optCfgs[1].ArgInHelp = <num>
// optCfgs[2].StoreKey = Qux
// optCfgs[2].Names = [qux q]
// optCfgs[2].HasArg = true
// optCfgs[2].IsArray = true
// optCfgs[2].Defaults = [A B C]
// optCfgs[2].Desc = Qux description.
// optCfgs[2].ArgInHelp = <text>
// options.FooBar = true
// options.Baz = 12
// options.Qux = [D E]
}
func ExampleMakeOptCfgsFor() {
type MyOptions struct {
FooBar bool `optcfg:"foo-bar,f" optdesc:"FooBar description"`
Baz int `optcfg:"baz,b=99" optdesc:"Baz description" optarg:"<number>"`
Qux string `optcfg:"=XXX" optdesc:"Qux description" optarg:"<string>"`
Quux []string `optcfg:"quux=[A,B,C]" optdesc:"Quux description" optarg:"<array elem>"`
Corge []int
}
options := MyOptions{}
optCfgs, err := cliargs.MakeOptCfgsFor(&options)
fmt.Printf("err = %v\n", err)
fmt.Printf("len(optCfgs) = %v\n", len(optCfgs))
fmt.Println()
fmt.Printf("optCfgs[0].StoreKey = %v\n", optCfgs[0].StoreKey)
fmt.Printf("optCfgs[0].Names = %v\n", optCfgs[0].Names)
fmt.Printf("optCfgs[0].HasArg = %v\n", optCfgs[0].HasArg)
fmt.Printf("optCfgs[0].IsArray = %v\n", optCfgs[0].IsArray)
fmt.Printf("optCfgs[0].Defaults = %v\n", optCfgs[0].Defaults)
fmt.Printf("optCfgs[0].Desc = %v\n", optCfgs[0].Desc)
fmt.Println()
fmt.Printf("optCfgs[1].StoreKey = %v\n", optCfgs[1].StoreKey)
fmt.Printf("optCfgs[1].Names = %v\n", optCfgs[1].Names)
fmt.Printf("optCfgs[1].HasArg = %v\n", optCfgs[1].HasArg)
fmt.Printf("optCfgs[1].IsArray = %v\n", optCfgs[1].IsArray)
fmt.Printf("optCfgs[1].Defaults = %v\n", optCfgs[1].Defaults)
fmt.Printf("optCfgs[1].Desc = %v\n", optCfgs[1].Desc)
fmt.Printf("optCfgs[1].ArgInHelp = %v\n", optCfgs[1].ArgInHelp)
fmt.Println()
fmt.Printf("optCfgs[2].StoreKey = %v\n", optCfgs[2].StoreKey)
fmt.Printf("optCfgs[2].Names = %v\n", optCfgs[2].Names)
fmt.Printf("optCfgs[2].HasArg = %v\n", optCfgs[2].HasArg)
fmt.Printf("optCfgs[2].IsArray = %v\n", optCfgs[2].IsArray)
fmt.Printf("optCfgs[2].Defaults = %v\n", optCfgs[2].Defaults)
fmt.Printf("optCfgs[2].Desc = %v\n", optCfgs[2].Desc)
fmt.Printf("optCfgs[2].ArgInHelp = %v\n", optCfgs[2].ArgInHelp)
fmt.Println()
fmt.Printf("optCfgs[3].StoreKey = %v\n", optCfgs[3].StoreKey)
fmt.Printf("optCfgs[3].Names = %v\n", optCfgs[3].Names)
fmt.Printf("optCfgs[3].HasArg = %v\n", optCfgs[3].HasArg)
fmt.Printf("optCfgs[3].IsArray = %v\n", optCfgs[3].IsArray)
fmt.Printf("optCfgs[3].Defaults = %v\n", optCfgs[3].Defaults)
fmt.Printf("optCfgs[3].Desc = %v\n", optCfgs[3].Desc)
fmt.Printf("optCfgs[3].ArgInHelp = %v\n", optCfgs[3].ArgInHelp)
fmt.Println()
fmt.Printf("optCfgs[4].StoreKey = %v\n", optCfgs[4].StoreKey)
fmt.Printf("optCfgs[4].Names = %v\n", optCfgs[4].Names)
fmt.Printf("optCfgs[4].HasArg = %v\n", optCfgs[4].HasArg)
fmt.Printf("optCfgs[4].IsArray = %v\n", optCfgs[4].IsArray)
fmt.Printf("optCfgs[4].Defaults = %v\n", optCfgs[4].Defaults)
fmt.Printf("optCfgs[4].Desc = %v\n", optCfgs[4].Desc)
// Output:
// err = <nil>
// len(optCfgs) = 5
//
// optCfgs[0].StoreKey = FooBar
// optCfgs[0].Names = [foo-bar f]
// optCfgs[0].HasArg = false
// optCfgs[0].IsArray = false
// optCfgs[0].Defaults = []
// optCfgs[0].Desc = FooBar description
//
// optCfgs[1].StoreKey = Baz
// optCfgs[1].Names = [baz b]
// optCfgs[1].HasArg = true
// optCfgs[1].IsArray = false
// optCfgs[1].Defaults = [99]
// optCfgs[1].Desc = Baz description
// optCfgs[1].ArgInHelp = <number>
//
// optCfgs[2].StoreKey = Qux
// optCfgs[2].Names = [Qux]
// optCfgs[2].HasArg = true
// optCfgs[2].IsArray = false
// optCfgs[2].Defaults = [XXX]
// optCfgs[2].Desc = Qux description
// optCfgs[2].ArgInHelp = <string>
//
// optCfgs[3].StoreKey = Quux
// optCfgs[3].Names = [quux]
// optCfgs[3].HasArg = true
// optCfgs[3].IsArray = true
// optCfgs[3].Defaults = [A B C]
// optCfgs[3].Desc = Quux description
// optCfgs[3].ArgInHelp = <array elem>
//
// optCfgs[4].StoreKey = Corge
// optCfgs[4].Names = [Corge]
// optCfgs[4].HasArg = true
// optCfgs[4].IsArray = true
// optCfgs[4].Defaults = []
// optCfgs[4].Desc =
}