Alec Thomas
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package kong
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import "reflect"
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type Application = Node
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// A Branch is a command or positional argument that results in a branch in the command tree.
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type Branch struct {
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Command *Command
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Argument *Argument
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}
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type Command = Node
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type Node struct {
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Name string
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Help string
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Flags []*Flag
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Positional []*Value
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Children []*Branch
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}
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// A Value is either a flag or a variable positional argument.
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type Value struct {
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Flag bool // True if flag, false if positional argument.
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Name string
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Help string
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Default string
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Decoder Decoder
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Field reflect.StructField
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Value reflect.Value
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Required bool
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Set bool // Used with Required to test if a value has been given.
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Format string // Formatting directive, if applicable.
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}
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func (v *Value) Decode(scan *Scanner) error {
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err := v.Decoder.Decode(&DecoderContext{Value: v}, scan, v.Value)
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if err == nil {
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v.Set = true
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}
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return err
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}
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type Positional = Value
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type Argument struct {
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Node
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Argument *Value
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}
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type Flag struct {
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Value
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Placeholder string
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Env string
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Short rune
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}
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