logqlpattern

package

v0.41.0 Latest Latest Go to latest Published: Jun 27, 2026 License: Apache-2.0 Imports: 5 Imported by: 0

Details

Package logqlpattern contains parser for LogQL `pattern` stage pattern.

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const (
	RequireCapture ParseFlags = 1 << iota
	DisallowNamed

	ExtractorFlags  = RequireCapture
	LineFilterFlags = DisallowNamed
)

This section is empty.

func Match[Label ~string](p Pattern, input string, match func(label Label, value string)) bool

Match matches given pattern against input string.

type ParseFlags uint8

ParseFlags defines options for Parse.

func (f ParseFlags) Has(flag ParseFlags) bool

Has whether if flag is set.

type Part struct {
	Type  PartType
	Value string
}

Part is a pattern part.

type PartType uint8

PartType defines type of Part.

const (
	Capture PartType = iota + 1
	Literal
)

type Pattern struct {
	Parts []Part
}

Pattern is a parsed pattern.

func MustParse(input string, flags ParseFlags) Pattern

MustParse is like Parse but panics if the expression cannot be parsed.

func Parse(input string, flags ParseFlags) (p Pattern, _ error)

Parse parses LogQL pattern.