/// <summary>
/// Parses a word definition at the specified offset in the specified file
/// and returns the full set of synonyms (two levels of synsets)
/// </summary>
/// <param name="offset">The offset in the file at which to begin parsing</param>
/// <param name="dbFileName">The full path of the file to open</param>
/// <returns>A populated Definition object is successful; otherwise null</returns>
public static List <string> GetDoublePartialDefinitionSynonyms(long offset, string dbFileName)
{
List <string> retVal = new List <string>();
try
{
string data = FileWordNetTools.ReadRecord(offset, dbFileName);
if (!string.IsNullOrEmpty(data))
{
int i = 0;
string[] tokens = data.Split(DefinitionFile.Tokenizer, StringSplitOptions.RemoveEmptyEntries);
long position = Convert.ToInt64(tokens[i]);
i++;
if (position != offset)
{
throw new ArithmeticException("The stream position is not aligned with the specified offset!");
}
i++; // skip file number
char partOfSpeech = tokens[i][0];
i++;
int wordCount = Convert.ToInt32(tokens[i], 16);
i++;
for (int j = 0; j < wordCount * 2; j += 2) //Step by two for lexid
{
string tempWord = tokens[i + j];
if (!string.IsNullOrEmpty(tempWord))
{
// it's a first level synonym-- add it twice!
retVal.Add(DefinitionFile.DecodeWord(tempWord));
retVal.Add(DefinitionFile.DecodeWord(tempWord));
}
}
i += wordCount * 2;
int ptrCount = Convert.ToInt32(tokens[i]);
i++;
for (int j = i; j < (i + (ptrCount * 4)); j += 4)
{
if (tokens[j + 2][0] == partOfSpeech && tokens[j][0] != '!')
{
// Look up these too!
long pointerOffset = Convert.ToInt64(tokens[j + 1]);
List <string> synonyms = GetPartialDefinitionSynonyms(pointerOffset, dbFileName);
retVal.AddRange(synonyms);
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e.StackTrace);
// don't do anything-- just don't add the word!
}
return(retVal);
}
