private List <ChattingElement> ExtractElement(string filename)
{
List <ChattingElement> res = new List <ChattingElement>();
StreamReader sr = new StreamReader(filename);
while (!sr.EndOfStream)
{
string line = sr.ReadLine();
if (line == "")
{
continue;
}
string role = ExtractRole(line);
if (role == "")
{
continue;
}
//Only if the current line has a role, the next line is the sentence the role says.
ChattingElement element = new ChattingElement();
element.Role = role;
element.Sentence = sr.ReadLine();
res.Add(element);
}
return(res);
}
private bool ShouldFiltered(ChattingElement element)
{
//Picture and expression contains brackets like "[表情]", "[图片]".
const char leftBra = '[';
const char rightBra = ']';
if (element.Sentence.Contains(leftBra) && element.Sentence.Contains(rightBra))
{
return(true);
}
//Filter web site.
if (element.Sentence.Contains("http") || element.Sentence.Contains("www"))
{
return(true);
}
if (element.Sentence.Trim() == "")
{
return(true);
}
return(false);
}