private double MatchStreetName(StreetAddress c1, StreetAddress c2, double weightNumber, double weightStrName)
{
double score = 0;
if (c1.Number != null && c2.Number != null)
{
score += weightNumber * base.Distance(c1.Number, c2.Number);
}
double maxScoreStr = 0;
if (c1.Name != null && c2.Name != null)
{
//Try perfect match
if (c1.Suffix != null && c2.Suffix != null)
{
maxScoreStr = base.Distance(c1.Name, c2.Name) * 0.8;
if (maxScoreStr != 0)
{
maxScoreStr += base.Distance(c1.Suffix, c2.Suffix) * 0.2;
}
}
//Try removing either of suffixes, adding the other to the street name
if (c1.Suffix != null)
{
maxScoreStr = TryMatch(String.Format("{0} {1}", c1.Name, c1.Suffix), c2.Name, maxScoreStr, 1.0);
}
if (c2.Suffix != null)
{
maxScoreStr = TryMatch(String.Format("{0} {1}", c2.Name, c2.Suffix), c1.Name, maxScoreStr, 1.0);
}
//Try ignoring suffixes, but dump value by 0.3
maxScoreStr = TryMatch(c1.Name, c2.Name, maxScoreStr, (c1.Suffix == null && c2.Suffix == null) ? 1.0 : 0.7);
}
else
{
//No street in one of addresses or both, test each with prefix of the other
if (c1.Name != null && c2.Suffix != null)
{
maxScoreStr = TryMatch(String.Format("{0} {1}", c1.Name, c1.Suffix), c2.Suffix, maxScoreStr, 0.7);
maxScoreStr = TryMatch(c1.Name, c2.Suffix, maxScoreStr, 0.7);
}
if (c2.Name != null && c1.Suffix != null)
{
maxScoreStr = TryMatch(String.Format("{0} {1}", c2.Name, c2.Suffix), c1.Suffix, maxScoreStr, 0.7);
maxScoreStr = TryMatch(c2.Name, c1.Suffix, maxScoreStr, 0.7);
}
if (c1.Name == null && c2.Name == null && c1.Suffix != null && c2.Suffix != null)
{
maxScoreStr = TryMatch(c1.Suffix, c2.Suffix, maxScoreStr, 0.1);
}
}
if (maxScoreStr != 0)
{
score += maxScoreStr * weightStrName;
}
//Try to ignore number, and just compare strings of number + street + suffix. This will be adjusted by 0.6
score = Math.Max(score, base.Distance(c1.toStringNoL2(), c2.toStringNoL2()) * (weightNumber + weightStrName) * 0.6);
return(score);
}