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48 lines
784 B
48 lines
784 B
package input
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func NewArgument(name, description string, opts ...func(*Argument)) Argument {
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a := Argument{
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Name: name,
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Description: description,
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}
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for _, opt := range opts {
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opt(&a)
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}
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return a
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}
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type Argument struct {
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Name string
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Description string
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Default Value
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Flag Flag
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Valid []func(Value) error
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}
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func (a Argument) HasDefault() bool {
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return a.Default != nil
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}
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func (a Argument) IsBool() bool {
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return a.Flag.IsBool()
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}
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func (a Argument) IsRequired() bool {
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return a.Flag.IsRequired()
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}
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func (a Argument) IsArray() bool {
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return a.Flag.IsArray()
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}
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func (a Argument) Validate(v Value) error {
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for _, valid := range a.Valid {
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if err := valid(v); err != nil {
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return ErrorArgument(a.Name, err)
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}
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}
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return nil
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}
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