yqlib

type DataNavigator interface {
	Traverse(value *yaml.Node, path []interface{}) error
}

type Encoder interface {
	Encode(node *yaml.Node) error
}

type NavigationStrategy interface {
	FollowAlias(nodeContext NodeContext) bool
	AutoCreateMap(nodeContext NodeContext) bool
	Visit(nodeContext NodeContext) error
	// node key is the string value of the last element in the path stack
	// we use it to match against the pathExpression in head.
	ShouldTraverse(nodeContext NodeContext, nodeKey string) bool
	ShouldDeeplyTraverse(nodeContext NodeContext) bool
	GetVisitedNodes() []*NodeContext
	DebugVisitedNodes()
	GetPathParser() PathParser
}

type NavigationStrategyImpl struct {
	// contains filtered or unexported fields
}

type NodeContext struct {
	Node      *yaml.Node
	Head      interface{}
	Tail      []interface{}
	PathStack []interface{}
}

type PathParser interface {
	ParsePath(path string) []interface{}
	MatchesNextPathElement(nodeContext NodeContext, nodeKey string) bool
	IsPathExpression(pathElement string) bool
}

type UpdateCommand struct {
	Command   string
	Path      string
	Value     *yaml.Node
	Overwrite bool
}

type ValueParser interface {
	Parse(argument string, customTag string) *yaml.Node
}

type YqLib interface {
	Get(rootNode *yaml.Node, path string, deeplyTraverseArrays bool) ([]*NodeContext, error)
	Update(rootNode *yaml.Node, updateCommand UpdateCommand, autoCreate bool) error
	New(path string) yaml.Node

	PathStackToString(pathStack []interface{}) string
	MergePathStackToString(pathStack []interface{}, appendArrays bool) string
}