public FragmentSenitment(String frag, Priorpolarity pri, Int32 pn = 0, Int32 ln = 0)
{
ParagraphNumber = pn;
LineNumber = ln;
Fragment = frag;
Priorpolarity = pri;
}
public Record(Record record)
{
type = record.type;
len = record.len;
word1 = record.word1;
pos1 = record.pos1;
stemmed1 = record.stemmed1;
priorpolarity = record.priorpolarity;
}
public Record(String record)
{
InitLogicTable();
String[] properties = record.Split(' ');
if (IsDictFormatNormal)
{
foreach (String str in properties)
{
String[] keyValue = str.Split('=');
if (keyValue[0].Equals("word1"))
{
word1 = keyValue[1];
}
else if (keyValue[0].Equals("len"))
{
len = Int32.Parse(keyValue[1]);
}
else if (keyValue[0].Equals("type"))
{
type = (LevelType)logicTable[keyValue[1]];
}
else if (keyValue[0].Equals("pos1"))
{
pos1 = (PartofSpeech)logicTable[keyValue[1]];
}
else if (keyValue[0].Equals("priorpolarity"))
{
priorpolarity = (Priorpolarity)logicTable[keyValue[1]];
}
else if (keyValue[0].Equals("stemmed1"))
{
if (keyValue[0].Equals("n", StringComparison.OrdinalIgnoreCase))
{
stemmed1 = false;
}
else
{
stemmed1 = true;
}
}
}
}
else
{
word1 = properties[0];
priorpolarity = (Priorpolarity)logicTable[properties[1]];
}
}
private static String GetLabel(Priorpolarity oldPriop)
{
if (oldPriop == Priorpolarity.positive)
{
return("1");
}
else if (oldPriop == Priorpolarity.negative)
{
return("0");
}
else if (oldPriop == Priorpolarity.weakneg)
{
return("0");
}
return("1");
}
private static Priorpolarity GetNewPriorpolarity(List <String> words, Priorpolarity oldPriop)
{
foreach (String word in words)
{
if (mNegativeWords.Contains(word))
{
if (oldPriop == Priorpolarity.negative)
{
return(Priorpolarity.positive);
}
else if (oldPriop == Priorpolarity.positive)
{
return(Priorpolarity.negative);
}
else if (oldPriop == Priorpolarity.weakneg)
{
return(Priorpolarity.positive);
}
}
}
return(oldPriop);
}
public void Do()
{
foreach (String path in mDocumentsPath)
{
StreamWriter sw = null;
StreamWriter swNumber = null;
StreamWriter swLabel = null;
try
{
sw = File.CreateText(path + ".extract");
swNumber = File.CreateText(path + ".number");
swLabel = File.CreateText(path + ".label");
}
catch (Exception)
{
//System.Console.WriteLine(ex.ToString());
continue;
}
Document doc = new Document(path);
doc.Open();
while (!doc.EndOfFile)
{
Paragraph prag = doc.NextParagraph();
Int32 LineNumberInPrag = 0;
Boolean hasNoSentimentWord = true;
foreach (String str in prag.Lines)
{
hasNoSentimentWord = true;
LineNumberInPrag++;
List <String> words = NomalizeLineToWords(str);
for (int i = window; i < words.Count - window; ++i)
{
try
{
//If current word is not in the dictionary, then an exception would be thrown.
//And in exception handle function, we do nothing but continue to process next word.
Record record = DictionaryBuilder.WordDict[words[i]];
//for example, let the current word be the center, and give a window which length is 2
//then the fragment would contain 5 words
List <String> fragmentstr = words.GetRange(i - window, window * 2 + 1);
String fragment = ToFragment(fragmentstr);
Priorpolarity fragPriorpolarity = GetNewPriorpolarity(fragmentstr, record.priorpolarity);
sw.WriteLine((new FragmentSenitment(fragment, fragPriorpolarity).ToString()));
swNumber.WriteLine(String.Format("{0} {1}", doc.CurrentParagraphNumber, LineNumberInPrag));
swLabel.WriteLine(GetLabel(fragPriorpolarity));
hasNoSentimentWord = false;
}
catch (Exception)
{
//System.Console.WriteLine (ex.ToString ());
continue;
}
}
if (LineNumberInPrag == 1 && hasNoSentimentWord && addAbstraction)
{
words.Remove("[");
words.Remove("]");
for (int i = words.Count; i < window * 2 + 1; i++)
{
words.Add("BLANK");
}
List <String> fragmentstr = words.GetRange(0, window * 2 + 1);
String fragment = ToFragment(fragmentstr);
sw.WriteLine((new FragmentSenitment(fragment, prag.Priorpolarity).ToString()));
swNumber.WriteLine(String.Format("{0} {1}", doc.CurrentParagraphNumber, LineNumberInPrag));
swLabel.WriteLine(GetLabel(prag.Priorpolarity));
}
}
if (prag.Length != 0)
{
swNumber.WriteLine("end " + prag.Length);
}
}
doc.Close();
sw.Close();
swNumber.Close();
swLabel.Close();
}
mDocumentsPath.Clear();
}
