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