Revert to version 70b2c90b260171e829f1ebd7c17f600c11858dbe of the vendored package github.com/Azure/go-ansiterm

vendor/github.com/Azure/go-ansiterm/parser.go

@@ -2,6 +2,7 @@ package ansiterm
 
 import (
 	"errors"
+	"fmt"
 	"io/ioutil"
 	"os"
 
@@ -11,18 +12,18 @@ import (
 var logger *logrus.Logger
 
 type AnsiParser struct {
-	currState          state
+	currState          State
 	eventHandler       AnsiEventHandler
-	context            *ansiContext
-	csiEntry           state
-	csiParam           state
-	dcsEntry           state
-	escape             state
-	escapeIntermediate state
-	error              state
-	ground             state
-	oscString          state
-	stateMap           []state
+	context            *AnsiContext
+	CsiEntry           State
+	CsiParam           State
+	DcsEntry           State
+	Escape             State
+	EscapeIntermediate State
+	Error              State
+	Ground             State
+	OscString          State
+	stateMap           []State
 }
 
 func CreateParser(initialState string, evtHandler AnsiEventHandler) *AnsiParser {
@@ -40,27 +41,27 @@ func CreateParser(initialState string, evtHandler AnsiEventHandler) *AnsiParser
 
 	parser := &AnsiParser{
 		eventHandler: evtHandler,
-		context:      &ansiContext{},
+		context:      &AnsiContext{},
 	}
 
-	parser.csiEntry = csiEntryState{baseState{name: "CsiEntry", parser: parser}}
-	parser.csiParam = csiParamState{baseState{name: "CsiParam", parser: parser}}
-	parser.dcsEntry = dcsEntryState{baseState{name: "DcsEntry", parser: parser}}
-	parser.escape = escapeState{baseState{name: "Escape", parser: parser}}
-	parser.escapeIntermediate = escapeIntermediateState{baseState{name: "EscapeIntermediate", parser: parser}}
-	parser.error = errorState{baseState{name: "Error", parser: parser}}
-	parser.ground = groundState{baseState{name: "Ground", parser: parser}}
-	parser.oscString = oscStringState{baseState{name: "OscString", parser: parser}}
+	parser.CsiEntry = CsiEntryState{BaseState{name: "CsiEntry", parser: parser}}
+	parser.CsiParam = CsiParamState{BaseState{name: "CsiParam", parser: parser}}
+	parser.DcsEntry = DcsEntryState{BaseState{name: "DcsEntry", parser: parser}}
+	parser.Escape = EscapeState{BaseState{name: "Escape", parser: parser}}
+	parser.EscapeIntermediate = EscapeIntermediateState{BaseState{name: "EscapeIntermediate", parser: parser}}
+	parser.Error = ErrorState{BaseState{name: "Error", parser: parser}}
+	parser.Ground = GroundState{BaseState{name: "Ground", parser: parser}}
+	parser.OscString = OscStringState{BaseState{name: "OscString", parser: parser}}
 
-	parser.stateMap = []state{
-		parser.csiEntry,
-		parser.csiParam,
-		parser.dcsEntry,
-		parser.escape,
-		parser.escapeIntermediate,
-		parser.error,
-		parser.ground,
-		parser.oscString,
+	parser.stateMap = []State{
+		parser.CsiEntry,
+		parser.CsiParam,
+		parser.DcsEntry,
+		parser.Escape,
+		parser.EscapeIntermediate,
+		parser.Error,
+		parser.Ground,
+		parser.OscString,
 	}
 
 	parser.currState = getState(initialState, parser.stateMap)
@@ -69,7 +70,7 @@ func CreateParser(initialState string, evtHandler AnsiEventHandler) *AnsiParser
 	return parser
 }
 
-func getState(name string, states []state) state {
+func getState(name string, states []State) State {
 	for _, el := range states {
 		if el.Name() == name {
 			return el
@@ -98,7 +99,7 @@ func (ap *AnsiParser) handle(b byte) error {
 
 	if newState == nil {
 		logger.Warning("newState is nil")
-		return errors.New("New state of 'nil' is invalid.")
+		return errors.New(fmt.Sprintf("New state of 'nil' is invalid."))
 	}
 
 	if newState != ap.currState {
@@ -110,7 +111,7 @@ func (ap *AnsiParser) handle(b byte) error {
 	return nil
 }
 
-func (ap *AnsiParser) changeState(newState state) error {
+func (ap *AnsiParser) changeState(newState State) error {
 	logger.Infof("ChangeState %s --> %s", ap.currState.Name(), newState.Name())
 
 	// Exit old state