utils

type Document = []byte

type PostorderVisitor func(ctx VisitingContext, s *spec.Schema) *spec.Schema

type PreorderVisitor func(ctx VisitingContext, s *spec.Schema) (*spec.Schema, bool)

type SchemaVisitor interface {
	// Called on a node before its children.
	// Return false to stop exploring this subtree, otherwise return true.
	VisitBefore(ctx VisitingContext, s **spec.Schema) bool

	// Called on a node after its children.
	VisitAfter(ctx VisitingContext, s **spec.Schema)
}

type VisitingContext struct {
	// What field of the parent context was traversed to find the current
	// schema
	SchemaField string

	// If ShemaField is a collection, what key is this schema contained within
	// SchemaField
	Key string

	// If ShemaField is a collection, what index is this schema contained within
	// SchemaField
	//
	// Part of a Union with `key` If one is set, the other must be unset
	Index int

	Parent *VisitingContext
}