Fixed parsing of newline character in string expression #1430

pkg/yqlib/lexer_participle.go

@@ -352,8 +352,12 @@ func nullValue() yqAction {
 
 func stringValue() yqAction {
 	return func(rawToken lexer.Token) (*token, error) {
+		log.Debug("rawTokenvalue: %v", rawToken.Value)
 		value := unwrap(rawToken.Value)
+		log.Debug("unwrapped: %v", value)
 		value = strings.ReplaceAll(value, "\\\"", "\"")
+		value = strings.ReplaceAll(value, "\\n", "\n")
+		log.Debug("replaced: %v", value)
 		return &token{TokenType: operationToken, Operation: createValueOperation(value, value)}, nil
 	}
 }

pkg/yqlib/lexer_participle_test.go

@@ -620,6 +620,27 @@ var participleLexerScenarios = []participleLexerScenario{
 			},
 		},
 	},
+	{
+		expression: `"string with a\n"`,
+		tokens: []*token{
+			{
+				TokenType: operationToken,
+				Operation: &Operation{
+					OperationType: valueOpType,
+					Value:         "string with a\n",
+					StringValue:   "string with a\n",
+					Preferences:   nil,
+					CandidateNode: &CandidateNode{
+						Node: &yaml.Node{
+							Kind:  yaml.ScalarNode,
+							Tag:   "!!str",
+							Value: "string with a\n",
+						},
+					},
+				},
+			},
+		},
+	},
 	{
 		expression: `"string with a \""`,
 		tokens: []*token{

pkg/yqlib/operator_strings.go

@@ -432,6 +432,7 @@ func split(value string, spltStr string) *yaml.Node {
 	var contents []*yaml.Node
 
 	if value != "" {
+		log.Debug("going to spltStr[%v]", spltStr)
 		var newStrings = strings.Split(value, spltStr)
 		contents = make([]*yaml.Node, len(newStrings))