parser

package
v0.0.0-...-8f3027a Latest Latest
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 Go to latest Published: Nov 27, 2024 License: Apache-2.0, 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

func (*AllNode) LabelRestrictions 

func (node *AllNode) LabelRestrictions() map[string]LabelRestriction

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

func (*AndNode) LabelRestrictions 

func (node *AndNode) LabelRestrictions() map[string]LabelRestriction

type GlobalNode 

type GlobalNode struct {
}

func (*GlobalNode) AcceptVisitor 

func (node *GlobalNode) AcceptVisitor(v Visitor)

func (*GlobalNode) Evaluate 

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

func (*GlobalNode) LabelRestrictions 

func (node *GlobalNode) LabelRestrictions() map[string]LabelRestriction

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

func (*HasNode) LabelRestrictions 

func (node *HasNode) LabelRestrictions() map[string]LabelRestriction

type LabelContainsValueNode 

type LabelContainsValueNode struct {
	LabelName string
	Value     string
}

func (*LabelContainsValueNode) AcceptVisitor 

func (node *LabelContainsValueNode) AcceptVisitor(v Visitor)

func (*LabelContainsValueNode) Evaluate 

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

func (*LabelContainsValueNode) LabelRestrictions 

func (node *LabelContainsValueNode) LabelRestrictions() map[string]LabelRestriction

type LabelEndsWithValueNode 

type LabelEndsWithValueNode struct {
	LabelName string
	Value     string
}

func (*LabelEndsWithValueNode) AcceptVisitor 

func (node *LabelEndsWithValueNode) AcceptVisitor(v Visitor)

func (*LabelEndsWithValueNode) Evaluate 

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

func (*LabelEndsWithValueNode) LabelRestrictions 

func (node *LabelEndsWithValueNode) LabelRestrictions() map[string]LabelRestriction

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

func (*LabelEqValueNode) LabelRestrictions 

func (node *LabelEqValueNode) LabelRestrictions() map[string]LabelRestriction

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

func (*LabelInSetNode) LabelRestrictions 

func (node *LabelInSetNode) LabelRestrictions() map[string]LabelRestriction

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

func (*LabelNeValueNode) LabelRestrictions 

func (node *LabelNeValueNode) LabelRestrictions() map[string]LabelRestriction

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

func (*LabelNotInSetNode) LabelRestrictions 

func (node *LabelNotInSetNode) LabelRestrictions() map[string]LabelRestriction

type LabelRestriction 

type LabelRestriction struct {
	// MustBePresent is true if this label must be present for the selector to
	// match. For example "has(labelName)" or "labelName == 'foo'"
	MustBePresent bool
	// MustBeAbsent is true if this label must be absent for this selector to
	// match. For example "!has(labelName)".
	MustBeAbsent bool
	// MustHaveOneOfValues if non-nil, indicates that the label must have one
	// of the listed values in order to match the selector.
	//
	// If nil, no such restriction is known.  For example "has(labelName)"
	//
	// Note: non-nil empty slice means "selector cannot match anything". For
	// example an inconsistent selector such as: "a == 'B' && a == 'C'"
	MustHaveOneOfValues []string
}

func (LabelRestriction) PossibleToSatisfy 

func (r LabelRestriction) PossibleToSatisfy() bool

type LabelStartsWithValueNode 

type LabelStartsWithValueNode struct {
	LabelName string
	Value     string
}

func (*LabelStartsWithValueNode) AcceptVisitor 

func (node *LabelStartsWithValueNode) AcceptVisitor(v Visitor)

func (*LabelStartsWithValueNode) Evaluate 

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

func (*LabelStartsWithValueNode) LabelRestrictions 

func (node *LabelStartsWithValueNode) LabelRestrictions() map[string]LabelRestriction

type Labels 

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 

type MapAsLabels map[string]string

MapAsLabels allows you use map as labels

func (MapAsLabels) Get 

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

func (*NotNode) LabelRestrictions 

func (node *NotNode) LabelRestrictions() map[string]LabelRestriction

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

func (*OrNode) LabelRestrictions 

func (node *OrNode) LabelRestrictions() map[string]LabelRestriction

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)

	LabelRestrictions() map[string]LabelRestriction
}

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

func (StringSet) SliceCopy 

func (ss StringSet) SliceCopy() []string

SliceCopy returns a new slice that contains the elements of the set in sorted order.

type Visitor 

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

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