private bool _Reload()
{
this.BytesProcessed = 0;
this.PercentComplete = 0.0;
this.LinesProcessed = 0;
lock (this._syncRoot)
{
this.Clear();
}
using (StreamReader reader = File.OpenText(Path.Combine(this.StaticDbFolder, IndexFile.PosToFileName(this.PartOfSpeech))))
{
string currentLine = "";
while (!reader.EndOfStream && String.IsNullOrWhiteSpace(currentLine) && IndexFile._commentRegex.IsMatch(currentLine))
{
currentLine = reader.ReadLine();
this.BytesProcessed = reader.BaseStream.Position;
this.PercentComplete = Math.Round((Convert.ToDouble(reader.BaseStream.Position) / Convert.ToDouble(reader.BaseStream.Length)) * 100.0, 2);
this.LinesProcessed++;
}
if (!reader.EndOfStream)
{
do
{
if (String.IsNullOrWhiteSpace(currentLine))
{
continue;
}
int position = 0;
Match m = IndexFile._firstFourRegex.Match(currentLine);
if (!m.Success)
{
throw new WordNetParseException("Error parsing first four index file fields", IndexFile._firstFourRegex, currentLine, position);
}
IndexItem item = new IndexItem
{
Word = m.Groups["lemma"].Value.Replace('_', ' '),
PartOfSpeech = Common.SymbolAttribute.GetEnum <Common.PartOfSpeech>(m.Groups["pos"].Value),
SynsetCount = Convert.ToInt32(m.Groups["synset_cnt"].Value),
PointerSymbols = new Collection <Common.PointerSymbol>(),
SynsetOffsets = new Collection <long>()
};
int p_cnt = Convert.ToInt32(m.Groups["p_cnt"].Value);
for (int i = 0; i < p_cnt; i++)
{
position += m.Groups["r"].Index;
m = IndexFile._pointerSymbolRegex.Match(m.Groups["r"].Value);
if (!m.Success)
{
throw new WordNetParseException(String.Format("Error parsing pointer symbol {0}", i + 1), IndexFile._pointerSymbolRegex, currentLine, position);
}
item.PointerSymbols.Add(Common.PosAndSymbolAttribute.GetEnum <Common.PointerSymbol>(m.Groups["ptr_symbol"].Value, item.PartOfSpeech));
}
position += m.Groups["r"].Index;
m = IndexFile._countsRegex.Match(m.Groups["r"].Value);
if (!m.Success)
{
throw new WordNetParseException("Error parsing counts", IndexFile._pointerSymbolRegex, currentLine, position);
}
int sense_cnt = Convert.ToInt32(m.Groups["sense_cnt"].Value);
for (int i = 0; i < sense_cnt; i++)
{
position += m.Groups["r"].Index;
m = IndexFile._offsetRegex.Match(m.Groups["r"].Value);
if (!m.Success)
{
throw new WordNetParseException(String.Format("Error parsing offset {0}", i + 1), IndexFile._offsetRegex, currentLine, position);
}
item.SynsetOffsets.Add(Convert.ToInt64(m.Groups["synset_offset"].Value));
}
lock (this._syncRoot)
{
this.Add(item);
}
currentLine = reader.ReadLine();
this.LinesProcessed++;
this.BytesProcessed = reader.BaseStream.Position;
this.PercentComplete = Math.Round((Convert.ToDouble(reader.BaseStream.Position) / Convert.ToDouble(reader.BaseStream.Length)) * 100.0, 2);
} while (!reader.EndOfStream);
this.BytesProcessed = reader.BaseStream.Length;
}
}
return(this.LoadError == null);
}
private TResult AccessFile <TResult>(Func <TResult> handler)
{
TResult result;
lock (this._fileAcessSync)
{
lock (this._syncRoot)
{
this._closeFileAfter = null;
this._lastFileActivity = null;
if (this._inputStream == null)
{
this._inputStream = File.OpenRead(Path.Combine(this.StaticDbFolder, IndexFile.PosToFileName(this.PartOfSpeech)));
}
}
result = handler();
lock (this._syncRoot)
{
if (this._inputStream != null)
{
if (this.FileOpenTimeout.Equals(TimeSpan.Zero))
{
this._inputStream.Close();
this._inputStream.Dispose();
this._inputStream = null;
}
else
{
this._lastFileActivity = DateTime.Now;
this._closeFileAfter = this._lastFileActivity.Value.Add(this.FileOpenTimeout);
}
}
}
}
return(result);
}