public override IEnumerable <object> ConvertTokens(IEnumerable <object> sequence)
{
var result = new List <object>();
bool foundBlockParams = false;
foreach (var item in sequence)
{
if (item is BlockParameterToken blockParameterToken)
{
if (foundBlockParams)
{
throw new HandlebarsCompilerException("multiple blockParams expressions are not supported");
}
foundBlockParams = true;
if (!(result.Last() is PathExpression pathExpression))
{
throw new HandlebarsCompilerException("blockParams definition has incorrect syntax");
}
if (!string.Equals("as", pathExpression.Path, StringComparison.OrdinalIgnoreCase))
{
throw new HandlebarsCompilerException("blockParams definition has incorrect syntax");
}
result[result.Count - 1] = HandlebarsExpression.BlockParams(pathExpression.Path, blockParameterToken.Value);
}
else
{
result.Add(item);
}
}
return(result);
}