visitor

type DocumentVisitor interface {
	// VisitDocument visits the document. Return an error to stop visiting.
	VisitDocument(obj *jsonapi.Document) error
}

type ErrorVisitor interface {
	// VisitError visits the error node. Return an error to stop visiting.
	VisitError(obj *jsonapi.Error) error
}

type LinksVisitor interface {
	// VisitLinks visits the links. Return an error to stop visiting.
	VisitLinks(obj jsonapi.Links) error
	// VisitLink visits a link. Return an error to stop visiting.
	VisitLink(obj *jsonapi.Link) error
}

type MetaVisitor interface {
	// VisitMeta visits the meta node. Return an error to stop visiting.
	VisitMeta(obj jsonapi.Meta) error
}

type RelationshipVisitor interface {
	// VisitRelationship visits the relationship node. Return an error to stop visiting.
	VisitRelationships(obj jsonapi.RelationshipsNode) error
	// VisitRelationship visits the relationship node. Return an error to stop visiting.
	VisitRelationship(obj *jsonapi.Relationship) error
	// VisitRelationship visits the resource node referenced in a relationship.
	// Return an error to stop visiting.
	VisitRef(obj *jsonapi.Resource) error
}

type ResourceVisitor interface {
	// VisitResource visits the resource node. Return an error to stop visiting.
	VisitResource(obj *jsonapi.Resource) error
}

type SectionVisitor struct {
	Document      VisitorFunc[*jsonapi.Document]         // Function for visiting document nodes.
	Links         VisitorFunc[jsonapi.Links]             // Function for visiting links nodes.
	Link          VisitorFunc[*jsonapi.Link]             // Function for visiting link nodes.
	Meta          VisitorFunc[jsonapi.Meta]              // Function for visiting meta nodes.
	Resource      VisitorFunc[*jsonapi.Resource]         // Function for visiting resource nodes.
	Relationship  VisitorFunc[*jsonapi.Relationship]     // Function for visiting relationship nodes.
	Relationships VisitorFunc[jsonapi.RelationshipsNode] // Function for visiting relationships nodes.
	Ref           VisitorFunc[*jsonapi.Resource]         // Function for visiting resource nodes referenced in relationships.
	Error         VisitorFunc[*jsonapi.Error]            // Function for visiting error nodes.
}

type Visitor struct {
	DocumentVisitor
	LinksVisitor
	MetaVisitor
	ResourceVisitor
	RelationshipVisitor
	ErrorVisitor
}

type VisitorFunc[Node any] func(Node) error