protected override IEnumerable <ParseResult> ParseImpl(ParseInput input, IEnumerable <FacetMoniker> indexEntries)
{
var increment = 1.0 / input.Terms.Count;
foreach (var entry in indexEntries)
{
var relevance = 0.0;
var lower = entry.DisplayName.ToLower();
var range = new ParseRange(0, 0);
foreach (var term in input.Terms)
{
if (lower.StartsWith(term.TextLower))
{
relevance += increment * 1.5;
}
else if (lower.Contains(term.TextLower))
{
relevance += increment;
}
else
{
// require constant progress
break;
}
range = range.Union(term.Range);
if (relevance > 0.0)
{
yield return(new ParseResult(input, range, entry, Math.Min(1.0, relevance)));
}
}
}
}
protected override IEnumerable <ParseResult> ParseImpl(ParseInput input, IEnumerable <FacetMoniker> indexEntries)
{
foreach (var entry in indexEntries)
{
var ci = ContactInfo.FromXml(entry.FactoryData);
var relevance = 0.0;
ParseRange firstNameRange = null;
ParseRange lastNameRange = null;
ParseRange emailRange = null;
foreach (var term in input.Terms)
{
if (firstNameRange == null)
{
if (ApplyRelevance(ref relevance, ci.FirstName, term.TextLower) > 0)
{
firstNameRange = term.Range;
continue;
}
}
if (lastNameRange == null)
{
if (ApplyRelevance(ref relevance, ci.LastName, term.TextLower) > 0)
{
lastNameRange = term.Range;
continue;
}
}
if (emailRange == null)
{
if (ApplyRelevance(ref relevance, ci.Email, term.TextLower) > 0)
{
emailRange = term.Range;
continue;
}
}
}
if (relevance == 0.0 ||
((firstNameRange != null && lastNameRange != null) &&
lastNameRange.StartIndex <= firstNameRange.StartIndex))
{
continue;
}
// determine the input range that caused the match
ParseRange range;
if (firstNameRange != null)
{
if (lastNameRange != null)
{
range = firstNameRange.Union(lastNameRange);
}
else
{
range = firstNameRange;
}
}
else if (lastNameRange != null)
{
range = lastNameRange;
}
else
{
range = emailRange;
}
yield return(new ParseResult(input, range, entry, relevance));
}
}