public override void Search(Sentence sentence)
{
base.Search(sentence);
if (Search1Matches != 0)
{
sentence.AddToMatches(Search1Matches * Search1.Length);
RoundImportance(sentence);
}
}
/// <summary>
/// http://social.msdn.microsoft.com/Forums/en-US/csharplanguage/thread/2be73700-38cd-4098-9852-95b8d1406498
/// Used the above method instead of my initial idea of split, remove incorrect and then count.
/// Because of the additional loop involved.
/// </summary>
public virtual void Search(Sentence sentence)
{
// Reset the proximity of each search
MatchesProximity = 1;
// Get all matches for the first search option.
MatchCollection matches1 = Regex.Matches(sentence.Value, Search1);
Search1Matches = matches1.Count;
// If there is no second search option return
if (string.IsNullOrEmpty(Search2)) return;
// Get all matches for the second search option.
MatchCollection matches2 = Regex.Matches(sentence.Value, Search2);
Search2Matches = matches2.Count;
// Return if there are not matches in both searches.
if (Search1Matches == 0 || Search2Matches == 0) return;
// This is the position of the first match in value
int startIndex = 0;
if (matches1[0].Index > matches2[0].Index)
{
startIndex = matches2[0].Index;
}
else
{
startIndex = matches1[0].Index;
}
// This is the position of the last match in value
int endIndex = 0;
if (matches1[matches1.Count - 1].Index > matches2[matches2.Count - 1].Index)
{
endIndex = matches2[matches2.Count - 1].Index;
}
else
{
endIndex = matches1[matches1.Count - 1].Index;
}
// Percentage closeness of the first and last match.
MatchesProximity = 100 -
// Because we value close matches we remove the distance percentage of matches from 100%
(((endIndex - startIndex) -
// Remove all matches from each search from the length.
((Search1Matches - 1) * Search1.Length) -
((Search2Matches - 1) * Search2.Length))
// Get as percentage of all characters in the sentence
/ sentence.Value.Length);
}
public override void Search(Sentence sentence)
{
base.Search(sentence);
if (Search1Matches != 0 && Search2Matches != 0)
{
// We use an optional perimeter to get the number of pairs and couples in the search.
sentence.AddToMatches(
Search1Matches * Search1.Length + Search2Matches * Search2.Length,
Math.Min(Search1Matches, Search2Matches) * (Search1.Length + Search2.Length));
sentence.Importance *= MatchesProximity;
RoundImportance(sentence);
}
}
protected void RoundImportance(Sentence sentence)
{
sentence.Importance = Math.Round(sentence.Importance, 2);
}