wip: migrate to mono-repo. SPN has already been moved to spn/

spn/terminal/fmt.go

@@ -0,0 +1,27 @@
+package terminal
+
+import "fmt"
+
+// CustomTerminalIDFormatting defines an interface for terminal to define their custom ID format.
+type CustomTerminalIDFormatting interface {
+	CustomIDFormat() string
+}
+
+// FmtID formats the terminal ID together with the parent's ID.
+func (t *TerminalBase) FmtID() string {
+	if t.ext != nil {
+		if customFormatting, ok := t.ext.(CustomTerminalIDFormatting); ok {
+			return customFormatting.CustomIDFormat()
+		}
+	}
+
+	return fmtTerminalID(t.parentID, t.id)
+}
+
+func fmtTerminalID(craneID string, terminalID uint32) string {
+	return fmt.Sprintf("%s#%d", craneID, terminalID)
+}
+
+func fmtOperationID(craneID string, terminalID, operationID uint32) string {
+	return fmt.Sprintf("%s#%d>%d", craneID, terminalID, operationID)
+}