public void AddWordOccurrence(string word, string fileName, int lineNumber, int wordIndex)
{
WordOccurrences current;
if (!_dict.TryGetValue(word, out current))
_dict[word] = WordOccurrences.FirstOccurrence(fileName, lineNumber, wordIndex);
else
_dict[word] = current.AddOccurrence(fileName, lineNumber, wordIndex);
}
private void loadBtn_Click(object sender, EventArgs e)
{
OpenFileDialog fd = new OpenFileDialog();
fd.Filter = "Text Files|*.txt";
fd.Title = "Add new document";
DialogResult dr = fd.ShowDialog();
results2Text.Clear();
string fileName, fileContents;
if (dr == System.Windows.Forms.DialogResult.OK)
{
fileName = fd.SafeFileName;
try
{
// read all text file into fileContents
fileContents = File.ReadAllText(fd.FileName);
results2Text.AppendText("File loaded: " + fileName + "\n");
results2Text.AppendText("---------------------------------------\n\n");
if (!string.IsNullOrEmpty(fileContents))
{
String[] words = Regex.Split(fileContents, @"[^a-zA-Z]+");
results2Text.AppendText("There are " + words.Length + " words in the file.\n");
results2Text.AppendText("---------------------------------------\n\n");
Doc doc = new Doc();
doc.Name = words[0].ToLower();
doc.File = fileName;
dbContext.Docs.Add(doc);
dbContext.SaveChanges();
results2Text.AppendText("Document " + doc.Name + " is saved with the Id : " + doc.Id + "\n");
//define a list of <word, positions> composition
List <WordOccurrences> fileIndex = new List <WordOccurrences>();
//pass throughout all words in document
for (int pos = 1; pos < words.Length; pos++)
{
string w = words[pos - 1].ToLower();
bool found = false;
foreach (var wo in fileIndex)
{
if (w.Equals(wo.Word, StringComparison.InvariantCultureIgnoreCase))
{
wo.Locations.Add(pos);
found = true;
break;
}
}
//Check if the word previously added to words list
if (!found)
{
WordOccurrences wo = new WordOccurrences(w);
wo.Locations.Add(pos);
fileIndex.Add(wo);
}
}
foreach (WordOccurrences wo in fileIndex)
{
Word word = dbContext.Words.SingleOrDefault(w => w.Word1.Equals(wo.Word, StringComparison.InvariantCultureIgnoreCase));
if (word == null)
{
word = new Word();
word.Word1 = wo.Word;
dbContext.Words.Add(word);
dbContext.SaveChanges();
}
int count = wo.Locations.Count;
string locations = String.Join(",", wo.Locations);
dbContext.DocsWords1.Add(new DocsWords
{
DocId = doc.Id,
WordId = word.Id,
Locations = locations
});
}
dbContext.SaveChanges();
BuildBTreeFromDB();
}
else
{
results2Text.AppendText("File is empty...\n");
}
}
catch (Exception ex)
{
results2Text.AppendText("Error:\n" + ex.Message + "\n");
}
}
else
{
results2Text.AppendText("No file selected...\n");
}
}
