support escape sequence \ in parser

parser.cpp

@@ -267,13 +267,27 @@ std::string cParser::readToken( bool ToLower, const char *Break ) {
 std::string cParser::readQuotes(char const Quote) { // read the stream until specified char or stream end
     std::string token = "";
     char c { 0 };
-    while( mStream->peek() != EOF && Quote != (c = mStream->get()) ) { // get all chars until the quote mark
+	bool escaped = false;
-        if( c == '\n' ) {
+	while( mStream->peek() != EOF ) { // get all chars until the quote mark
-            // update line counter
+		c = mStream->get();
-            ++mLine;
+
+		if (escaped) {
+			escaped = false;
 		}
+		else {
+			if (c == '\\') {
+				escaped = true;
+				continue;
+			}
+			else if (c == Quote)
+				break;
+		}
+
+		if (c == '\n')
+			++mLine; // update line counter
 		token += c;
     }
+
 	return token;
 }