logfmt

package

v2.0.0 Latest Latest Go to latest Published: Jun 14, 2023 License: AGPL-3.0 Imports: 10 Imported by: 0

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Repository

github.com/gleam-G/loki

Links

Open Source Insights

Documentation ¶

Overview ¶

Adapted from https://github.com/go-logfmt/logfmt/ but []byte as parameter instead Original license is MIT.

Index ¶

Constants
Variables
func LogfmtExprErrorMessage(state, lookAhead int) string
func LogfmtExprParse(LogfmtExprlex LogfmtExprLexer) int
func LogfmtExprStatname(s int) string
func LogfmtExprTokname(c int) string
func LogfmtExprlex1(lex LogfmtExprLexer, lval *LogfmtExprSymType) (char, token int)
func Parse(expr string, debug bool) ([]interface{}, error)
type Decoder
- func NewDecoder(line []byte) *Decoder
- func (dec *Decoder) Err() error
- func (dec *Decoder) Key() []byte
- func (dec *Decoder) Reset(line []byte)
- func (dec *Decoder) ScanKeyval() bool
- func (dec *Decoder) Value() []byte
type LogfmtExprLexer
type LogfmtExprParser
- func LogfmtExprNewParser() LogfmtExprParser
type LogfmtExprParserImpl
- func (p *LogfmtExprParserImpl) Lookahead() int
- func (LogfmtExprrcvr *LogfmtExprParserImpl) Parse(LogfmtExprlex LogfmtExprLexer) int
type LogfmtExprSymType
type Scanner
- func NewScanner(r io.Reader, debug bool) *Scanner
- func (sc *Scanner) Error(s string)
- func (sc *Scanner) Lex(lval *LogfmtExprSymType) int
- func (sc *Scanner) Reduced(rule, state int, lval *LogfmtExprSymType) bool
type SyntaxError
- func (e *SyntaxError) Error() string

Constants ¶

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const KEY = 57347

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const LogfmtExprEofCode = 1

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const LogfmtExprErrCode = 2

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const LogfmtExprFlag = -1000

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const LogfmtExprInitialStackSize = 16

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const LogfmtExprLast = 8

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const LogfmtExprPrivate = 57344

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const STRING = 57346

Variables ¶

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var (
	LogfmtExprDebug        = 0
	LogfmtExprErrorVerbose = false
)

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var LogfmtExprAct = [...]int8{
	6, 5, 6, 4, 1, 2, 7, 3,
}

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var LogfmtExprChk = [...]int16{
	-1000, -4, -3, -1, -2, 5, 4, -2,
}

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var LogfmtExprDef = [...]int8{
	0, -2, 1, 2, 3, 5, 6, 4,
}

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var LogfmtExprErrorMessages = [...]struct {
	state int
	token int
	msg   string
}{}

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var LogfmtExprExca = [...]int8{
	-1, 1,
	1, -1,
	-2, 0,
}

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var LogfmtExprPact = [...]int16{
	-4, -1000, -2, -1000, -1000, -1000, -1000, -1000,
}

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var LogfmtExprPgo = [...]int8{
	0, 7, 3, 5, 4,
}

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var LogfmtExprR1 = [...]int8{
	0, 4, 3, 3, 3, 1, 2,
}

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var LogfmtExprR2 = [...]int8{
	0, 1, 1, 1, 2, 1, 1,
}

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var LogfmtExprStatenames = [...]string{}

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var LogfmtExprTok1 = [...]int8{
	1,
}

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var LogfmtExprTok2 = [...]int8{
	2, 3, 4, 5,
}

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var LogfmtExprTok3 = [...]int8{
	0,
}

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var LogfmtExprToknames = [...]string{
	"$end",
	"error",
	"$unk",
	"STRING",
	"KEY",
}

Functions ¶

func LogfmtExprErrorMessage ¶

func LogfmtExprErrorMessage(state, lookAhead int) string

func LogfmtExprParse ¶

func LogfmtExprParse(LogfmtExprlex LogfmtExprLexer) int

func LogfmtExprStatname ¶

func LogfmtExprStatname(s int) string

func LogfmtExprTokname ¶

func LogfmtExprTokname(c int) string

func LogfmtExprlex1 ¶

func LogfmtExprlex1(lex LogfmtExprLexer, lval *LogfmtExprSymType) (char, token int)

func Parse ¶

func Parse(expr string, debug bool) ([]interface{}, error)

Types ¶

type Decoder ¶

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

A Decoder reads and decodes logfmt records from an input stream.

func NewDecoder ¶

func NewDecoder(line []byte) *Decoder

NewDecoder returns a new decoder that reads from r.

The decoder introduces its own buffering and may read data from r beyond the logfmt records requested.

func (*Decoder) Err ¶

func (dec *Decoder) Err() error

Err returns the first non-EOF error that was encountered by the Scanner.

func (*Decoder) Key ¶

func (dec *Decoder) Key() []byte

Key returns the most recent key found by a call to ScanKeyval. The returned slice may point to internal buffers and is only valid until the next call to ScanRecord. It does no allocation.

func (*Decoder) Reset ¶

func (dec *Decoder) Reset(line []byte)

func (*Decoder) ScanKeyval ¶

func (dec *Decoder) ScanKeyval() bool

ScanKeyval advances the Decoder to the next key/value pair of the current record, which can then be retrieved with the Key and Value methods. It returns false when decoding stops, either by reaching the end of the current record or an error.

func (*Decoder) Value ¶

func (dec *Decoder) Value() []byte

Value returns the most recent value found by a call to ScanKeyval. The returned slice may point to internal buffers and is only valid until the next call to ScanRecord. It does no allocation when the value has no escape sequences.

type LogfmtExprLexer ¶

type LogfmtExprLexer interface {
	Lex(lval *LogfmtExprSymType) int
	Error(s string)
}

type LogfmtExprParser ¶

type LogfmtExprParser interface {
	Parse(LogfmtExprLexer) int
	Lookahead() int
}

func LogfmtExprNewParser ¶

func LogfmtExprNewParser() LogfmtExprParser

type LogfmtExprParserImpl ¶

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

func (*LogfmtExprParserImpl) Lookahead ¶

func (p *LogfmtExprParserImpl) Lookahead() int

func (*LogfmtExprParserImpl) Parse ¶

func (LogfmtExprrcvr *LogfmtExprParserImpl) Parse(LogfmtExprlex LogfmtExprLexer) int

type LogfmtExprSymType ¶

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

type Scanner ¶

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

func NewScanner ¶

func NewScanner(r io.Reader, debug bool) *Scanner

func (*Scanner) Error ¶

func (sc *Scanner) Error(s string)

func (*Scanner) Lex ¶

func (sc *Scanner) Lex(lval *LogfmtExprSymType) int

func (*Scanner) Reduced ¶

func (sc *Scanner) Reduced(rule, state int, lval *LogfmtExprSymType) bool

type SyntaxError ¶

type SyntaxError struct {
	Msg string
	Pos int
}

A SyntaxError represents a syntax error in the logfmt input stream.

func (*SyntaxError) Error ¶

func (e *SyntaxError) Error() string

Source Files ¶

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