public List <FileFormattingError> Validate()
{
List <FileFormattingError> fileFormatErrorList = new List <FileFormattingError>();
if (!string.IsNullOrEmpty(this.TextData))
{
List <string> questionList = paperParser.GetQuestionList();
for (int i = 0; i <= questionList.Count - 1; i++)
{
logger.AppendLog("Question - " + (i + 1));
if (!(questionList[i].Equals("\n") ||
questionList[i].Equals(string.Empty)))
{
List <string> formatErrorList = new List <string>();
FormatError formatError = ValidateOptionStartTag(questionList[i]);
if (formatError != FormatError.None)
{
formatErrorList.Add(formatError.ToString());
}
formatError = ValidateOptionEnd(questionList[i]);
if (formatError != FormatError.None)
{
formatErrorList.Add(formatError.ToString());
}
formatError = ValidateQuestionAttributes(questionList[i]);
if (formatError != FormatError.None)
{
formatErrorList.Add(formatError.ToString());
}
if (formatErrorList.Count > 0)
{
fileFormatErrorList.Add(new FileFormattingError(i, formatErrorList));
}
else
{
logger.AppendLog("Correct format");
}
logger.AppendLog(string.Empty);
}
}
}
else
{
throw new Exception("Empty file.");
}
return(fileFormatErrorList);
}