perf: remove the log component

Author: wlynxg

detector.go

@@ -4,9 +4,7 @@ import (
 	"bytes"
 
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
 	"github.com/wlynxg/chardet/probe"
-	"go.uber.org/zap"
 )
 
 // Result represents the character encoding detection result
@@ -26,8 +24,6 @@ type UniversalDetector struct {
 	// IsoWinMap maps ISO encodings to Windows encodings
 	IsoWinMap map[string]string
 
-	log *zap.SugaredLogger
-
 	// done indicates if detection is complete
 	done bool
 	// gotData indicates if any data has been processed
@@ -70,7 +66,6 @@ func NewUniversalDetector(filter consts.LangFilter) *UniversalDetector {
 			consts.ISO885913: consts.Windows1257,
 		},
 
-		log:        log.New("UniversalDetector"),
 		inputState: consts.PureAsciiInputState,
 		lastChars:  []byte{},
 		filter:     filter,
@@ -241,7 +236,6 @@ func (u *UniversalDetector) GetResult() Result {
 
 	switch {
 	case !u.gotData:
-		u.log.Debug("no data received!")
 	case u.inputState == consts.PureAsciiInputState:
 		u.result = Result{
 			Encoding:   consts.Ascii,

log/log.go

@@ -2,14 +2,11 @@ package probe
 
 import (
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
-	"go.uber.org/zap"
 )
 
 type CharSetGroupProbe struct {
 	CharSetProbe
 
-	log            *zap.SugaredLogger
 	filter         consts.LangFilter
 	activeNum      int
 	bestGuessProbe Probe
@@ -19,7 +16,6 @@ type CharSetGroupProbe struct {
 func NewCharSetGroupProbe(filter consts.LangFilter, probes []Probe) CharSetGroupProbe {
 	p := CharSetGroupProbe{
 		CharSetProbe:   NewCharSetProbe(filter),
-		log:            log.New("CharSetGroupProbe"),
 		filter:         filter,
 		activeNum:      0,
 		bestGuessProbe: nil,
@@ -69,7 +65,6 @@ func (c *CharSetGroupProbe) Feed(buf []byte) consts.ProbingState {
 		}
 
 		if !probe.IsActive() {
-			c.log.Debugf("%s not active", probe.CharSetName())
 			continue
 		}
 
@@ -110,12 +105,10 @@ func (c *CharSetGroupProbe) GetConfidence() float64 {
 		}
 
 		if !probe.IsActive() {
-			c.log.Debugf("%s not active", probe.CharSetName())
 			continue
 		}
 
 		conf := probe.GetConfidence()
-		c.log.Debugf("%s %s confidence = %f", probe.CharSetName(), probe.Language(), conf)
 		if bestConf < conf {
 			bestConf = conf
 			c.bestGuessProbe = probe

probe/charset_group_probe.go

@@ -3,19 +3,15 @@ package probe
 import (
 	"github.com/wlynxg/chardet/cda"
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
-	"go.uber.org/zap"
 )
 
 type EUCJPProbe struct {
 	MultiByteCharSetProbe
-	log             *zap.SugaredLogger
 	contextAnalyzer cda.Analyzer
 }
 
 func NewEUCJPProbe() *EUCJPProbe {
 	ep := &EUCJPProbe{
-		log:             log.New("EUCJPProbe"),
 		contextAnalyzer: cda.NewEUCJPContextAnalysis(),
 	}
 	ep.MultiByteCharSetProbe = NewMultiByteCharSetProbe(
@@ -40,7 +36,6 @@ loop:
 		codingState := e.codingSM.NextState(b)
 		switch codingState {
 		case consts.ErrorMachineState:
-			e.log.Debugf("%s %s prober hit error at byte %d", e.charsetName, e.language, i)
 			e.state = consts.NotMeProbingState
 			break loop
 		case consts.ItsMeMachineState:

probe/euc_jp_probe.go

@@ -3,14 +3,11 @@ package probe
 import (
 	"github.com/wlynxg/chardet/cda"
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
-	"go.uber.org/zap"
 )
 
 type MultiByteCharSetProbe struct {
 	CharSetProbe
 
-	log                   *zap.SugaredLogger
 	charsetName, language string
 	distributionAnalyzer  cda.Analyzer
 	codingSM              *CodingStateMachine
@@ -21,7 +18,6 @@ func NewMultiByteCharSetProbe(charsetName, language string, filter consts.LangFi
 	distributionAnalyzer cda.Analyzer, codingSM *CodingStateMachine) MultiByteCharSetProbe {
 	return MultiByteCharSetProbe{
 		CharSetProbe:         NewCharSetProbe(filter),
-		log:                  log.New("MultiByteCharSetProbe"),
 		charsetName:          charsetName,
 		language:             language,
 		distributionAnalyzer: distributionAnalyzer,
@@ -51,7 +47,6 @@ loop:
 		codingState := m.codingSM.NextState(buf[i])
 		switch codingState {
 		case consts.ErrorMachineState:
-			m.log.Debugf("%s %s prober hit error at byte %d", m.charsetName, m.language, i)
 			m.state = consts.NotMeProbingState
 			break loop
 		case consts.ItsMeMachineState:

probe/mb_charset_probe.go

@@ -2,8 +2,6 @@ package probe
 
 import (
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
-	"go.uber.org/zap"
 )
 
 type SingleByteCharSetModel struct {
@@ -22,7 +20,6 @@ type SingleByteCharSetProbe struct {
 	SampleSize, SBEnoughRelThreshold                     int
 	PositiveShortcutThreshold, NegativeShortcutThreshold float64
 
-	log         *zap.SugaredLogger
 	model       *SingleByteCharSetModel
 	reversed    bool
 	nameProbe   Probe
@@ -41,7 +38,6 @@ func NewSingleByteCharSetProbe(model *SingleByteCharSetModel, reversed bool, nam
 		SBEnoughRelThreshold:      1024, // 0.25 * SampleSize^2
 		PositiveShortcutThreshold: 0.95,
 		NegativeShortcutThreshold: 0.05,
-		log:                       log.New("SingleByteCharSetProbe"),
 		model:                     model,
 		// TRUE if we need to reverse every pair in the model lookup
 		reversed: reversed,
@@ -123,16 +119,12 @@ func (s *SingleByteCharSetProbe) Feed(buf []byte) consts.ProbingState {
 		s.lastOrder = order
 	}
 
-	charsetName := s.model.CharsetName
 	if s.state == consts.DetectingProbingState {
 		if s.totalSeqs > s.SBEnoughRelThreshold {
 			confidence := s.GetConfidence()
 			if confidence > s.PositiveShortcutThreshold {
-				s.log.Debugf("%s confidence = %f, we have a winner", charsetName, confidence)
 				s.state = consts.FoundItProbingState
 			} else if confidence < s.NegativeShortcutThreshold {
-				s.log.Debugf("%s confidence = %f, below negative shortcut threshhold %f",
-					charsetName, confidence, s.NegativeShortcutThreshold)
 				s.state = consts.NotMeProbingState
 			}
 		}

probe/single_probe.go

@@ -3,14 +3,11 @@ package probe
 import (
 	"github.com/wlynxg/chardet/cda"
 	"github.com/wlynxg/chardet/consts"
-	"github.com/wlynxg/chardet/log"
-	"go.uber.org/zap"
 )
 
 type SJISProbe struct {
 	MultiByteCharSetProbe
 
-	log             *zap.SugaredLogger
 	state           consts.ProbingState
 	contextAnalyzer cda.Analyzer
 }
@@ -24,7 +21,6 @@ func NewSJISProbe() *SJISProbe {
 			cda.NewSJISDistributionAnalysis(),
 			NewCodingStateMachine(SjisSmModel()),
 		),
-		log:             log.New("SJISProbe"),
 		contextAnalyzer: cda.NewSJISContextAnalysis(),
 	}
 }
@@ -46,7 +42,6 @@ loop:
 		codingState := s.codingSM.NextState(buf[i])
 		switch codingState {
 		case consts.ErrorMachineState:
-			s.log.Debugf("%s %s prober hit error at byte %d", s.charsetName, s.language, i)
 			s.state = consts.NotMeProbingState
 			break loop
 		case consts.ItsMeMachineState: