Method String

internal/server/expression.go:36–59

String representation, helpful in logging.

()

// String representation, helpful in logging.
func (e *areaExpression) String() (res string) {
	if e.obj != nil {
		res = e.obj.String()
	} else {
		var chStrings []string
		for _, c := range e.children {
			chStrings = append(chStrings, c.String())
		}
		switch e.op {
		case NOOP:
			res = "empty operator"
		case AND:
			res = "(" + strings.Join(chStrings, " "+tokenAND+" ") + ")"
		case OR:
			res = "(" + strings.Join(chStrings, " "+tokenOR+" ") + ")"
		default:
			res = "unknown operator"
		}
	}
	if e.negate {
		res = tokenNOT + " " + res
	}
	return
}

// Return boolean value modulo negate field of the expression.
func (e *areaExpression) maybeNegate(val bool) bool {