public static SubmitHandler CreateSubmit(PageInfo pi, Question.Choice c)
{
var sh = new SubmitHandler()
{
RefPage = pi
};
sh.Process(pi.PageContent);
sh.KeyValues["answer"] = c.Value;
sh.KeyValues[ExpectedRadioName] = pi.Id;
sh.KeyValues["page"] = pi.PageId.ToString();
return(sh);
}
private Question GetQuestion(string page)
{
// <strong>问题验证:</strong><font color='#ff0000'>哪个是战斗武器？</font> 选择答案：
string pattern = @"<strong>问题验证:</strong>[ ]*<font[^>]+>([^<]*)</font>[ ]*选择答案";
var match = Regex.Match(page, pattern);
if (!match.Success)
{
return(null);
}
var q = new Question()
{
Title = match.Groups[1].Value
};
// could be like:
// <Input name="answer" type="radio" Value="6b49819163"><label style="display:none">49efb</label>8
var start = match.Index + match.Length;
for (;;)
{
var block = page.GetNextNode(start, x => x.ToLower() == "input", true);
if (block.OpeningTag.ToLower() == "input")
{
var t = page.Substring(block.Start, block.ContentStart - block.Start);
var val = t.GetAttribute("value");
var inner = page.Substring(block.ContentStart, block.ContentLength);
var text = inner.GetTextContent();
var c = new Question.Choice
{
Value = val,
Text = text
};
q.Choices.Add(c);
}
if (block.EndingType == HtmlNodeHelper.NodeInfo.EndingTypes.Mismatched)
{
// means it reaches the parent node
break;
}
start = block.End;
}
return(q);
}
