/// <summary>
/// Parse a single piece of the entire search query into an Expression form using corrector
/// </summary>
/// <param name="term">A truncated piece contains no delimiters</param>
/// <param name="corrector">Corrector to be used to add suggestions to the expression</param>
/// <returns>IExpression contains the original term and the suggestions of the word</returns>
private static IExpression ParseTerm(string term, ITermCorrector corrector)
{
IExpression result = new TermExpression(term);
if (corrector != null)
{
foreach (string correction in corrector.Correct(term))
{
if (correction != term)
{
IExpression expr = new TermExpression(correction);
result = LogicOrExpression.Join(result, expr);
}
}
}
return(result);
}
/// <summary>
/// Parse a single piece of the entire search query into an Expression form using corrector
/// </summary>
/// <param name="term">A truncated piece contains no delimiters</param>
/// <param name="corrector">Corrector to be used to add suggestions to the expression</param>
/// <returns>IExpression contains the original term and the suggestions of the word</returns>
private static IExpression ParseTerm(string term, ITermCorrector corrector)
{
IExpression result=null;
if (term.Length >= 2)
{
result = new TermExpression(term);
}
if (corrector != null)
{
foreach (string correction in corrector.Correct(term))
{
IExpression expr = new TermExpression(correction);
result = LogicOrExpression.Join(result, expr);
}
}
return result;
}