protected void GetDocumentText(double documentID, string columnName = "NOTE_TEXT")
{
if (_cachedNoteDocuments.Keys.Contains(documentID) && _cachedNoteDocuments[documentID].Keys.Contains(columnName))
{
_lastDocumentID = documentID;
_lastDocumentText = _cachedNoteDocuments[documentID][columnName];
_lastNoteColumnName = columnName;
_lastDocumentText = RegExpBase.CleanupDocumentText(_lastDocumentText);
}
else
{
var cmd = _connection.CreateCommand();
cmd.CommandText = String.Format("SELECT {0} FROM Documents WHERE ED_ENC_NUM = @ED_ENC_NUM", columnName);
cmd.Parameters.AddWithValue("@ED_ENC_NUM", documentID);
_lastDocumentText = cmd.ExecuteScalar() as string ?? string.Empty;
_lastDocumentID = documentID;
_lastNoteColumnName = columnName;
_lastDocumentText = RegExpBase.CleanupDocumentText(_lastDocumentText);
}
SendResponse(new IpcResponse
{
ResponseType = IpcResponseType.Success,
DocumentID = documentID,
DocumentText = _lastDocumentText
});
}
protected void RaiseModifiedEvent(RegExpBase regExp)
{
if (this.Modified != null)
{
this.Modified(regExp, EventArgs.Empty);
}
}
protected int CalcRegExpScore(RegExpBase regExp, string text, out bool isMatch)
{
var scoreResult = 0;
isMatch = false;
try
{
var matches = regExp.GetFilteredMatches(text);
if (matches.Any())
{
isMatch = true;
var totalMatches = matches.Count;
regExp.IncrementTotalDocuments();
regExp.AddTotalMatches(totalMatches);
///////////////////////////////////////////////////////////////////////////////
var score = regExp.Score ?? 0;
var factor = regExp.Factor ?? 0;
scoreResult = totalMatches * score;
scoreResult += (totalMatches / 2) * (totalMatches - 1) * factor;
}
}
catch (Exception ex)
{
Logger.HandleException(ex);
}
return(scoreResult);
}
public RegExpMatchResult(RegExpBase regExp, int position, int start, int length, int columnIndex = 0)
{
this.RegExp = regExp;
this.Position = position;
this.ColumnIndex = columnIndex;
_start = start;
_length = length;
}
public RegExpMatchResult(RegExpBase regExp, int position, Match match, int columnIndex = 0)
{
this.RegExp = regExp;
this.Position = position;
this.Match = match;
this.ColumnIndex = columnIndex;
_start = -1;
_length = -1;
}
protected RegExpMatchResult Navigate_Document(RegExpBase regExp, int totalDocsCount, List <double> documents, int blockStartPosition, int position, bool forward)
{
var increment = forward ? 1 : -1;
_position = position + increment;
_unique = false;
///////////////////////////////////////////////////////////////////////////////
if (forward && _position >= totalDocsCount)
{
_position = 0;
}
else if (!forward && _position < 0)
{
_position = totalDocsCount - 1;
}
///////////////////////////////////////////////////////////////////////////////
while (_position >= 0 && _position < totalDocsCount)
{
_matches.Clear();
_matches = new List <RegExpMatchResult>();
for (int columnIndex = 0; columnIndex < _noteColumnCount; columnIndex++)
{
string documentText;
if (!GetDocumentTextByPosition(documents, blockStartPosition, _position, forward, out documentText, columnIndex))
{
return(RegExpMatchResult.NeedMoreDataResult());
}
///////////////////////////////////////////////////////////////////////////////
_matches.AddRange(regExp.GetFilteredMatches(documentText)
.Select(x => new RegExpMatchResult(regExp, _position, x, columnIndex))
.ToList());
}
if (_matches.Count > 0)
{
_currentMatchIndex = 0;
return(_matches[_currentMatchIndex]);
}
///////////////////////////////////////////////////////////////////////////////
_position += increment;
}
///////////////////////////////////////////////////////////////////////////////
return(RegExpMatchResult.EmptyResult());
}
protected void Navigate(long navigationContextID, MatchNavigationMode mode, RegExpBase regExp, int totalDocsCount, List <double> documentsBlock, int position)
{
RegExpMatchResult result = null;
if (navigationContextID != _navigationContextID || _lastRegExpression != regExp.BuiltExpression)
{
CleanupNavigationContext();
_navigationContextID = navigationContextID;
_navigationStartPosition = position;
_lastRegExpression = regExp.BuiltExpression;
}
switch (mode)
{
case MatchNavigationMode.Refresh:
SendErrorResponse("Invalid navigation mode");
return;
case MatchNavigationMode.NextDocument:
result = Navigate_Document(regExp, totalDocsCount, documentsBlock, position, position, true);
break;
case MatchNavigationMode.PrevDocument:
result = Navigate_Document(regExp, totalDocsCount, documentsBlock, position, position, false);
break;
case MatchNavigationMode.NextMatch:
result = Navigate_Match(regExp, totalDocsCount, documentsBlock, position, position, true);
break;
case MatchNavigationMode.PrevMatch:
result = Navigate_Match(regExp, totalDocsCount, documentsBlock, position, position, false);
break;
case MatchNavigationMode.NextUniqueMatch:
result = Navigate_UniqueMatch(regExp, totalDocsCount, documentsBlock, position, position, true);
break;
case MatchNavigationMode.PrevUniqueMatch:
result = Navigate_UniqueMatch(regExp, totalDocsCount, documentsBlock, position, position, false);
break;
}
SendResponse(new IpcResponse
{
ResponseType = IpcResponseType.Success,
MatchResult = result
});
}
public RegExpMatchResult Navigate(long navigationContextID, RegExpBase regExp, MatchNavigationMode mode, int totalDocumentsCount, double[] documentsBlock, int position)
{
lock (myLock)
{
try
{
OpenPipe();
SendRequest(new IpcRequest
{
RequestType = IpcRequestType.Navigate,
NavigationContextID = navigationContextID,
NavigationMode = mode,
DocumentsBlock = documentsBlock,
TotalDocumentsCount = totalDocumentsCount,
Position = position,
RegExp = regExp
});
var response = GetResponse();
///////////////////////////////////////////////////////////////////////////////
if (response.ResponseType == IpcResponseType.Success)
{
return(response.MatchResult);
}
throw new Exception(response.ErrorMessage, response.Exception);
}
finally
{
ClosePipe();
}
}
}
public void HandleRegExpException(DataRow row)
{
HandleRegExpException(RegExpBase.GetRegExpValue(row));
}
public SingleStatisticsCalculator(Logger logger, RegExpBase regExp)
{
_logger = logger;
_regExp = regExp;
}
protected RegExpMatchResult Navigate_UniqueMatch(RegExpBase regExp, int totalDocsCount, List <double> documentsBlock, int blockStartPosition, int position, bool forward)
{
var increment = forward ? 1 : -1;
if (_position != position)
{
_matches = null;
_currentMatchIndex = -1;
_position = position;
_navigationStartPosition = _position;
}
if (!_unique)
{
_matches = null;
_currentMatchIndex = -1;
_unique = true;
}
///////////////////////////////////////////////////////////////////////////////
if (_matches != null)
{
if (_currentMatchIndex == -1)
{
_currentMatchIndex = forward ? 0 : _matches.Count - 1;
}
_currentMatchIndex += increment;
if (_currentMatchIndex >= 0 && _currentMatchIndex < _matches.Count)
{
_position = _matches[_currentMatchIndex]
.Position;
_navigationStartPosition = _position;
return(_matches[_currentMatchIndex]);
}
_position += increment;
}
if (forward && _position >= totalDocsCount || !forward && _position < 0)
{
_position = position;
_navigationStartPosition = _position;
if (_matches != null)
{
_currentMatchIndex = forward ? _matches.Count - 1 : 0;
}
return(RegExpMatchResult.EmptyResult());
}
///////////////////////////////////////////////////////////////////////////////
var comparer = new MatchEqualityComparer();
///////////////////////////////////////////////////////////////////////////////
while (_position >= 0 && _position < totalDocsCount)
{
var hasUniqueMatches = false;
for (int columnIndex = 0; columnIndex < _noteColumnCount; columnIndex++)
{
string documentText;
if (!GetDocumentTextByPosition(documentsBlock, blockStartPosition, _position, forward, out documentText, columnIndex))
{
return(RegExpMatchResult.NeedMoreDataResult());
}
var matches = regExp.GetFilteredMatches(documentText)
.Distinct(comparer)
.ToList();
if (matches.Any())
{
if (_matches != null)
{
foreach (var match in matches)
{
if (_matches.All(x => x.Match.Value != match.Value))
{
if (forward)
{
_matches.Add(new RegExpMatchResult(regExp, _position, match, columnIndex));
}
else
{
_matches.Insert(0, new RegExpMatchResult(regExp, _position, match, columnIndex));
}
hasUniqueMatches = true;
}
}
}
else
{
_matches = matches.Select(x => new RegExpMatchResult(regExp, _position, x, columnIndex))
.ToList();
hasUniqueMatches = true;
}
}
///////////////////////////////////////////////////////////////////////////////
}
if (hasUniqueMatches)
{
if (_currentMatchIndex == -1)
{
if (forward)
{
_currentMatchIndex = 0;
}
else
{
_currentMatchIndex = _matches.Count - 1;
}
}
else if (_currentMatchIndex < 0)
{
_currentMatchIndex = 0;
}
else if (_currentMatchIndex >= _matches.Count)
{
_currentMatchIndex = _matches.Count - 1;
}
_position = _matches[_currentMatchIndex]
.Position;
_navigationStartPosition = _position;
return(_matches[_currentMatchIndex]);
}
///////////////////////////////////////////////////////////////////////////////
_position += increment;
}
///////////////////////////////////////////////////////////////////////////////
_currentMatchIndex = -1;
_position = _navigationStartPosition;
return(RegExpMatchResult.EmptyResult());
}
