public IEnumerable <string> GetResult(IndexerFile file)
{
IndexerResult indexerResult = new IndexerResult();
_configuration.Splitter.SetResultPhase(true);
if (!_textExtractors.ContainsKey(file.Extension))
{
string message = "No extractor is defined for file extension: " + file.Extension + ".";
throw new Exception(message);
}
ITextExtractor textExtractor = _textExtractors[file.Extension];
string fileText = File.ReadAllText(file.Path);
foreach (string identifier in textExtractor.Extract(fileText, _configuration.ExtractType))
{
try
{
IdentifierSplitResult identifierSplitResult = new IdentifierSplitResult(identifier, file);
identifierSplitResult.Add(_configuration.Splitter.Split(identifier));
indexerResult.AddSplitResult(identifierSplitResult);
}
catch (Exception)
{
continue;
}
}
return(indexerResult.GetSplitResultList().SelectMany(x => x.Splits).Select(Filter).Where(x => !string.IsNullOrEmpty(x)));
}
/// <summary>
/// Get Result
/// </summary>
/// <returns>Indexer Result</returns>
private IndexerResult GetResult()
{
IndexerResult indexerResult = new IndexerResult();
_configuration.Splitter.SetResultPhase(true);
// extract
int totalFileCount = _configuration.FilesToScan.Count;
int currentFileCount = 0;
foreach (IndexerFile file in _configuration.FilesToScan)
{
try
{
_configuration.NotificationHandler.UpdateStatus(NotificationType.ReadingFileForIdentifiers, currentFileCount, totalFileCount, "Extracting file identifier: " + file.Name);
if (!_textExtractors.ContainsKey(file.Extension))
{
string message = "No extractor is defined for file extension: " + file.Extension + ". Do you want to skip this file?";
if (_configuration.NotificationHandler.GetYesNoAnswer(QuestionType.NoTextExtratorDefined, message))
{
continue;
}
}
ITextExtractor textExtractor = _textExtractors[file.Extension];
string fileText = File.ReadAllText(file.Path);
foreach (string identifier in textExtractor.Extract(fileText, _configuration.ExtractType))
{
_configuration.NotificationHandler.UpdateStatus(NotificationType.Splitting, currentFileCount, totalFileCount, "Splitting token: " + identifier + " in file: " + file.Name);
IdentifierSplitResult identifierSplitResult = new IdentifierSplitResult(identifier, file);
identifierSplitResult.Add(_configuration.Splitter.Split(identifier));
indexerResult.AddSplitResult(identifierSplitResult);
}
}
catch (Exception e)
{
string additionalMessage = "Error reading file. " + Environment.NewLine + "File: " + file.Name +
Environment.NewLine + "Message: " + e.Message + Environment.NewLine +
"Do you want to skip this file?";
if (!_configuration.NotificationHandler.GetYesNoAnswer(QuestionType.ErrorReadingFile, additionalMessage))
{
throw;
}
}
finally
{
currentFileCount++;
}
}
// Since while adding result we do not have merged token, misspelled and stemmed word info, filter them and add to respective list
indexerResult.UpdateFromMergeToken(_tokenDictionary);
indexerResult.UpdateFromMisspelled(_tokenDictionary);
indexerResult.UpdateFromStemmed(_tokenDictionary);
// Filter 3: Stem every identified. If the word is identified replace the word with stemmed word
if (_configuration.Stemmer != null)
{
List <string> dictionaryWordList = indexerResult.GetDictionaryWordList().Keys.ToList();
int totalIdentifiedCount = dictionaryWordList.Count;
int currentIdentifiedCount = 0;
foreach (string identified in dictionaryWordList)
{
currentIdentifiedCount++;
_configuration.NotificationHandler.UpdateStatus(NotificationType.Stemming, currentIdentifiedCount, totalIdentifiedCount, "Stemming: " + identified);
string stemmedText = _configuration.Stemmer.GetStemmedText(identified);
if (stemmedText != null && stemmedText != identified && _configuration.Dictionary.IsWord(stemmedText))
{
indexerResult.AddStemmedWordAndReplaceIdentified(identified, stemmedText);
}
}
}
// Filter result
indexerResult.RemoveFilterWordAndTokenResult(_configuration.Dictionary);
_configuration.NotificationHandler.UpdateStatus(NotificationType.IndexingCompleted, 1, 1, "Indexing Completed");
return(indexerResult);
}