package svg

import (
	"fmt"
)

type (
	// Attribute is the minimum method set of of an svg attribute.
	Attribute interface {
		// PrintKey must return the svg attribute key
		PrintKey() string
		// PrintVAlue must return the svg attribute value string, if applicable
		PrintValue() (string, bool)
	}
)

func PrintAttribute(a Attribute) string {
	v, ok := a.PrintValue()
	if !ok {
		return a.PrintKey()
	}

	return fmt.Sprintf("%s=%s", a.PrintKey(), v)
}