public static string EncodeHTML(string source)
{
if (source == null)
{
return(null);
}
string result = source;
result = StringProcess.RemoveTag(result, @"&", @"&");
result = StringProcess.RemoveTag(result, "\"", @""");
result = StringProcess.RemoveTag(result, @"<", @"<");
result = StringProcess.RemoveTag(result, @">", @">");
return(result);
}
public static string FormatStringExportXML(string textContent)
{
if (textContent == null)
{
return(null);
}
string result = textContent;
result = StringProcess.RemoveTag(result, @"[html]", "");
result = EncodeHTML(result);
result = StringProcess.RemoveTag(result, @"<cbr>", @"<br/>");
//result = "<p>" + result;
//result = StringProcess.RemoveTag(result, @"\n", "<br/>");
//result = StringProcess.RemoveTag(result, @"<cbr>", @"<p/><p>");
//result = result + "<p/>";
return(result);
}
public List <QuestionTmpModel> StripTagsCharArray(StreamReader reader, bool checkCate, bool checkHTML)
{
List <QuestionTmpModel> list = new List <QuestionTmpModel>();
try
{
string line = null;
List <OptionViewModel> options = new List <OptionViewModel>();
bool isStartQuestion = false;
//string destination = "[html]";
int countCode = 0;
int inLine = 0;
bool isPlain = false;
StringProcess stringProcess = new StringProcess();
while ((line = reader.ReadLine()) != null)
{
string id = null;
int colon = 0;
string question = null;
string right = null;
string wrong = null;
string result = null;
string mark = null;
//string flagCategory = "";
int countRight = 0;
int countWrong = 0;
//int countCate = 0;
//int countStartCate = 0;
int countElement = 1;
bool isBlock = false;
//bool isStartCate = false;
bool isInLine = false;
bool isStart = false;
bool isEnd = false;
//bool keeping = false;
//bool isComma = false;
bool isMultipleChoice = false;
if (line.Contains("$CATEGORY"))
{
string[] temp = line.Split('/');
for (int i = 0; i < temp.Count(); i++)
{
if (i == 1)
{
category = temp[i];
}
if (i == 2)
{
learningOutcome = temp[i];
}
if (i == 3)
{
level = temp[i];
}
}
}
if (!line.StartsWith("//"))
{
line = stringProcess.RemoveHtmlBrTag(line);
string resultTmp = "";
if (line.Contains("[plain]"))
{
isPlain = true;
}
if (checkHTML == false && isPlain == false)
{
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(line);
resultTmp = htmlDoc.DocumentNode.InnerText;
}
if (!resultTmp.Equals(""))
{
result = WebUtility.HtmlDecode(resultTmp);
}
else
{
result = line;
}
result = stringProcess.RemoveHtmlTagGIFT(result);
for (int i = 0; i < result.Length; i++)
{
char let = result[i];
#region start count to track the position
//if (let == '$' && !isStartQuestion)
//{
// category = "";
// level = "";
// learningOutcome = "";
// countStartCate++;
// continue;
//}
//if (let == '$')
//{
// category = "";
// level = "";
// learningOutcome = "";
// flagCategory += let;
//}
//if (flagCategory.Equals("$CATEGORY"))
//{
// countStartCate++;
// continue;
//}
//if (let == '/' && !isStartQuestion)
//{
// isStartCate = true;
// countCate++;
// continue;
//}
if (let == ':' && !isStartQuestion)
{
countCode++;
colon = colon + 1;
isStart = true;
isInLine = true;
continue;
}
if (inLine == 1)
{
char tab = (char)9;
if (let == '=' || let == '~' || let == tab)
{
inLine = 2; //{ is end question
countCode = 0;
isStartQuestion = true;
// continue;
}
else
{
inLine = 3; // { in question
}
}
if (let == '=' && !isBlock && isStartQuestion && isInLine == false && inLine == 2)
{
countRight++;
countWrong = 0;
isBlock = true;
isInLine = true;
continue;
}
if (let == '~' && !isBlock && isStartQuestion && isInLine == false && inLine == 2)
{
countWrong++;
countRight = 0;
isBlock = true;
isInLine = true;
continue;
}
if (let == '}' && isStartQuestion && isInLine == false)
{
isEnd = true;
isStartQuestion = false;
continue;
}
//if (let == '?')
//{
// isComma = true;
//}
if (let == '{' && !isBlock)
{
//countCode = 0;
//isStartQuestion = true;
inLine = 1; // not sure to end question
}
#endregion
#region add character to variables
//if (countStartCate == 3 && isStartCate)
//{
// if (countCate == 1)
// {
// category += let;
// continue;
// }
// if (countCate == 2)
// {
// learningOutcome += let;
// continue;
// }
// if (countCate == 3)
// {
// level += let;
// continue;
// }
//}
// if (countCode <= 3 && countStartCate == 0 && isStart)
if (countCode <= 3 && isStart)
{
id += let;
continue;
}
if (countCode >= 4)
{
// { char is in question
if (inLine == 3)
{
question += '{';
if (colon >= 5)
{
question += ':';
colon = 4;
}
question += let;
inLine = 0;
isStart = false;
continue;
}
if (inLine == 0)
{
if (colon >= 5)
{
question += ':';
colon = 4;
}
question += let;
inLine = 0;
isStart = false;
continue;
}
}
if (countRight >= 1 && !isEnd)
{
right += let;
continue;
}
if (isMultipleChoice == true)
{
if (let != '%')
{
mark += let;
continue;
}
}
if (mark != null)
{
if (!mark.Equals(""))
{
if (int.Parse(mark) < 0)
{
countWrong++;
countRight = 0;
isBlock = true;
isMultipleChoice = false;
mark = null;
continue;
}
if (int.Parse(mark) > 0)
{
countRight++;
countWrong = 0;
isBlock = true;
isMultipleChoice = false;
mark = null;
continue;
}
}
}
if (countWrong >= 1 && !isEnd)
{
if (let == '%' && countElement == 1)
{
isMultipleChoice = true;
continue;
}
else
{
wrong += let;
countElement++;
continue;
}
}
#endregion
}
}
if (category != null /*&& learningOutcome != null && level != null*/ && checkCate == true)
{
if (checkCate == false)
{
category = "";
learningOutcome = "";
level = "";
//countStartCate = 0;
//isStartCate = false;
}
else
{
quesModel.Category = category;
quesModel.LearningOutcome = learningOutcome;
quesModel.Level = level;
//countStartCate = 0;
//isStartCate = false;
}
}
if (id != null)
{
quesModel.Code = id;
id = null;
}
if (question != null)
{
if (question.Equals(""))
{
quesModel.QuestionContentError = "Question content is empty";
}
if (quesModel.QuestionContent != null)
{
quesModel.QuestionContent += "<br>" + question;
}
else
{
question = stringProcess.UpperCaseKeyWord(question);
if (question.Contains("[html]"))
{
quesModel.QuestionContent = question;
}
else
{
quesModel.QuestionContent = "[html]" + question;
}
}
question = null;
}
if (right != null)
{
optionModel = new OptionViewModel();
optionModel.OptionContent = "[html]" + right;
optionModel.IsCorrect = true;
options.Add(optionModel);
}
if (wrong != null)
{
optionModel = new OptionViewModel();
optionModel.OptionContent = "[html]" + wrong;
optionModel.IsCorrect = false;
options.Add(optionModel);
}
if (quesModel.QuestionContent != null && isEnd && quesModel.Code != null)
{
int countMatching = 0;
bool isMatchingQues = false;
if (options.Count < 4)
{
quesModel.Error = "Number of option " + options.Count.ToString();
}
quesModel.Options = options;
foreach (var item in quesModel.Options)
{
if (item.IsCorrect == true)
{
countMatching = countMatching + 1;
isMatchingQues = true;
}
if (item.IsCorrect == false)
{
countMatching = 0;
}
if (countMatching >= 4 && isMatchingQues)
{
quesModel.Status = (int)Enum.StatusEnum.Invalid;
}
}
list.Add(quesModel);
quesModel = new QuestionTmpModel();
options = new List <OptionViewModel>();
countCode = 0;
inLine = 0;
isMultipleChoice = false;
isPlain = false;
}
}
}
catch (Exception ex)
{
Elmah.ErrorSignal.FromCurrentContext().Raise(ex);
quesModel.OtherError = "Other Error " + ex.Message.ToString();
}
return(list);
}
