protected void ReconstructWordformsMappings(string WordformsFileName)
{
if (File.Exists(WordformsFileName))
{
StreamReader reader = new StreamReader(WordformsFileName);
string Buffer;
WordformsVariant.Clear();
WordformsValues.Clear();
while ((Buffer = reader.ReadLine()) != null)
{
int i_DelimiterIndex = Buffer.IndexOf(" - ");
if (i_DelimiterIndex == -1)
{
// Wordforms index corrupted - no delimiter found
continue;
}
string Lexeme = Buffer.Substring(0, i_DelimiterIndex);
Buffer = Buffer.Substring(i_DelimiterIndex + 3);
string[] Wordforms = Buffer.Split('|');
ArrayList FormsForLexeme = new ArrayList();
for (int i = 0; i < Wordforms.Length; i++)
{
// Forbid adding the same wordform twice - this can
// happen e.g. as the result of corruption or other
// internal bugs.
string wordform = Wordforms[i];
if (FormsForLexeme.IndexOf(wordform) == -1)
{
FormsForLexeme.Add(wordform);
WordformsVariant[wordform] = FormsForLexeme.Count;
}
}
WordformsValues[Lexeme] = FormsForLexeme;
}
reader.Close();
}
}
public int StoreMapping(string wordform, string lexeme)
{
Debug.Assert(!WordformsVariant.Contains(wordform));
int derivationVariant;
ArrayList forms;
HashMap.Entry e = WordformsValues.GetEntry(lexeme);
if (e != null)
{
forms = (ArrayList)e.Value;
}
else
{
forms = new ArrayList();
WordformsValues[lexeme] = forms;
}
forms.Add(wordform);
WordformsVariant[wordform] = derivationVariant = forms.Count;
WordformsChanged = true;
return(derivationVariant);
}
//---------------------------------------------------------------------
// NB: Exceptional conditions are possible if e.g. we failed to flush
// wordforms file into HD (due to any external conditions) and
// reread its previous state.
//---------------------------------------------------------------------
public string GetLexemeMapping(string lexeme, int mapVariant)
{
if (mapVariant <= 0)
{
throw new ArgumentOutOfRangeException("DictionaryServer -- Mapping variant parameter must be positive.");
}
HashMap.Entry e = WordformsValues.GetEntry(lexeme);
if (e == null)
{
throw new ArgumentException("DictionaryServer -- Illegal call to GetMappingLexeme - lexeme [" +
lexeme + " is not present with index " + mapVariant);
}
ArrayList forms = (ArrayList)e.Value;
if (mapVariant > forms.Count)
{
throw new ArgumentOutOfRangeException("DictionaryServer -- Mapping variant [" + mapVariant +
"] is greater than the number of possible wordforms " + forms.Count);
}
return((string)forms[mapVariant - 1]);
}
