Control characters aren't allowed in handlebars expressions. #656
Description
Expressions with control characters such as below though are supported by handlebars javascript library but throws parse error on handlebars.java.
<html>
<body>
Hi {{data�Баллы1}}
</body>
</html
Error:
Caused by: com.github.jknack.handlebars.HandlebarsException: inline@4f9ca91d:1:22: found: '�'
<html><body> Hi {{data�Баллы1}}</body></html>
^
at com.github.jknack.handlebars.internal.HbsErrorReporter.syntaxError(HbsErrorReporter.java:93)
at com.github.jknack.handlebars.internal.antlr.ProxyErrorListener.syntaxError(ProxyErrorListener.java:41)
at com.github.jknack.handlebars.internal.HbsParserFactory$2.notifyListeners(HbsParserFactory.java:136)
at com.github.jknack.handlebars.internal.antlr.Lexer.nextToken(Lexer.java:144)
at com.github.jknack.handlebars.internal.antlr.BufferedTokenStream.fetch(BufferedTokenStream.java:169)
at com.github.jknack.handlebars.internal.antlr.BufferedTokenStream.sync(BufferedTokenStream.java:152)
at com.github.jknack.handlebars.internal.antlr.BufferedTokenStream.consume(BufferedTokenStream.java:136)
at com.github.jknack.handlebars.internal.antlr.Parser.consume(Parser.java:571)
at com.github.jknack.handlebars.internal.antlr.Parser.match(Parser.java:203)
at com.github.jknack.handlebars.internal.HbsParser.sexpr(HbsParser.java:887)
at com.github.jknack.handlebars.internal.HbsParser.var(HbsParser.java:1381)
at com.github.jknack.handlebars.internal.HbsParser.statement(HbsParser.java:344)
at com.github.jknack.handlebars.internal.HbsParser.body(HbsParser.java:222)
at com.github.jknack.handlebars.internal.HbsParser.template(HbsParser.java:165)
at com.github.jknack.handlebars.internal.HbsParserFactory$1.parse(HbsParserFactory.java:86)
at com.github.jknack.handlebars.cache.NullTemplateCache.get(NullTemplateCache.java:54)
at com.github.jknack.handlebars.Handlebars.compile(Handlebars.java:513)
at com.github.jknack.handlebars.Handlebars.compileInline(Handlebars.java:473)
at com.github.jknack.handlebars.Handlebars.compileInline(Handlebars.java:453)
at org.infobip.email.gateway.content.HandlebarsExpressionResolver.resolve(HandlebarsExpressionResolver.java:50)
... 25 more