parser

package
v3.5.0-0.dev+incompatible Latest Latest
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Published: Nov 23, 2018 License: Apache-2.0 Imports: 8 Imported by: 0

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Constants

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Variables

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Functions

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Types

type AllNode

type AllNode struct {
}

func (*AllNode) AcceptVisitor

func (node *AllNode) AcceptVisitor(v Visitor)

func (*AllNode) Evaluate

func (node *AllNode) Evaluate(labels Labels) bool

type AndNode

type AndNode struct {
	Operands []node
}

func (*AndNode) AcceptVisitor

func (node *AndNode) AcceptVisitor(v Visitor)

func (*AndNode) Evaluate

func (node *AndNode) Evaluate(labels Labels) bool

type HasNode

type HasNode struct {
	LabelName string
}

func (*HasNode) AcceptVisitor

func (node *HasNode) AcceptVisitor(v Visitor)

func (*HasNode) Evaluate

func (node *HasNode) Evaluate(labels Labels) bool

type LabelEqValueNode

type LabelEqValueNode struct {
	LabelName string
	Value     string
}

func (*LabelEqValueNode) AcceptVisitor

func (node *LabelEqValueNode) AcceptVisitor(v Visitor)

func (*LabelEqValueNode) Evaluate

func (node *LabelEqValueNode) Evaluate(labels Labels) bool

type LabelInSetNode

type LabelInSetNode struct {
	LabelName string
	Value     StringSet
}

func (*LabelInSetNode) AcceptVisitor

func (node *LabelInSetNode) AcceptVisitor(v Visitor)

func (*LabelInSetNode) Evaluate

func (node *LabelInSetNode) Evaluate(labels Labels) bool

type LabelNeValueNode

type LabelNeValueNode struct {
	LabelName string
	Value     string
}

func (*LabelNeValueNode) AcceptVisitor

func (node *LabelNeValueNode) AcceptVisitor(v Visitor)

func (*LabelNeValueNode) Evaluate

func (node *LabelNeValueNode) Evaluate(labels Labels) bool

type LabelNotInSetNode

type LabelNotInSetNode struct {
	LabelName string
	Value     StringSet
}

func (*LabelNotInSetNode) AcceptVisitor

func (node *LabelNotInSetNode) AcceptVisitor(v Visitor)

func (*LabelNotInSetNode) Evaluate

func (node *LabelNotInSetNode) Evaluate(labels Labels) bool

type Labels added in v1.2.0

type Labels interface {
	// Get returns value and presence of the given labelName
	Get(labelName string) (value string, present bool)
}

Labels defines the interface of labels that can be used by selector

type MapAsLabels added in v1.2.0

type MapAsLabels map[string]string

MapAsLabels allows you use map as labels

func (MapAsLabels) Get added in v1.2.0

func (l MapAsLabels) Get(labelName string) (value string, present bool)

Get returns the value and presence of the given labelName key in the MapAsLabels

type NotNode

type NotNode struct {
	Operand node
}

func (*NotNode) AcceptVisitor

func (node *NotNode) AcceptVisitor(v Visitor)

func (*NotNode) Evaluate

func (node *NotNode) Evaluate(labels Labels) bool

type OrNode

type OrNode struct {
	Operands []node
}

func (*OrNode) AcceptVisitor

func (node *OrNode) AcceptVisitor(v Visitor)

func (*OrNode) Evaluate

func (node *OrNode) Evaluate(labels Labels) bool

type PrefixVisitor

type PrefixVisitor struct {
	Prefix string
}

PrefixVisitor implements the Visitor interface to allow prefixing of label names within a selector.

func (PrefixVisitor) Visit

func (v PrefixVisitor) Visit(n interface{})

type Selector

type Selector interface {
	// Evaluate evaluates the selector against the given labels expressed as a concrete map.
	Evaluate(labels map[string]string) bool

	// EvaluateLabels evaluates the selector against the given labels expressed as an interface.
	// This allows for labels that are calculated on the fly.
	EvaluateLabels(labels Labels) bool

	// String returns a string that represents this selector.
	String() string

	// UniqueID returns the unique ID that represents this selector.
	UniqueID() string

	// AcceptVisitor allows an external visitor to modify this selector.
	AcceptVisitor(v Visitor)
}

Selector represents a label selector.

func Parse

func Parse(selector string) (sel Selector, err error)

Parse parses a string representation of a selector expression into a Selector.

type StringSet

type StringSet []string

func ConvertToStringSetInPlace

func ConvertToStringSetInPlace(s []string) StringSet

func (StringSet) Contains

func (ss StringSet) Contains(s string) bool

Contains returns true if a given string in current set

type Visitor

type Visitor interface {
	Visit(n interface{})
}

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