separated utilities by category and grouped, grouped crypto

pkg/proc/opts/config/interface.go

@@ -0,0 +1,48 @@
+package config
+
+import (
+	"time"
+
+	"github.com/indra-labs/indra/pkg/proc/opts/meta"
+	"github.com/indra-labs/indra/pkg/util/path/path"
+)
+
+// Concrete is a struct of functions that return the concrete values. Only the
+// intended type will return a value, the rest always return zero.
+type Concrete struct {
+	Bool     func() bool
+	Duration func() time.Duration
+	Float    func() float64
+	Integer  func() int64
+	List     func() []string
+	Text     func() string
+}
+
+// NewConcrete provides a Concrete with all functions returning zero values
+func NewConcrete() Concrete {
+	return Concrete{
+		func() bool { return false },
+		func() time.Duration { return 0 },
+		func() float64 { return 0 },
+		func() int64 { return 0 },
+		func() []string { return nil },
+		func() string { return "" },
+	}
+}
+
+// Option interface reads and writes string formats for options and returns a
+// Concrete value to the appropriate concrete value, with the type indicated.
+type Option interface {
+	FromString(s string) (e error)
+	String() (s string)
+	Expanded() (s string)
+	SetExpanded(s string)
+	Value() (c Concrete)
+	Type() (t meta.Type)
+	Meta() (md meta.Metadata)
+	RunHooks() (err error)
+	Path() (p path.Path)
+	SetPath(p path.Path)
+}
+
+type Opts map[string]Option