private double AdjustForChildren(SecondLevelAddress s1, SecondLevelAddress s2, double weight, double score)
{
if (s1.Child != null && s2.Child != null)
{
score = score * 0.7 + MatchSecondLevelAddr(s1.Child, s2.Child, weight) * 0.3;
}
else if (s1.Child != null || s2.Child != null)
{
//Adjust score a bit as no perfect match
score = score * 0.8;
}
return(score);
}
private double MatchSecondLevelAddr(SecondLevelAddress s1, SecondLevelAddress s2, double weight)
{
double maxScore = 0;
if (s1.Value != null && s2.Value != null)
{
if (s1.Prefix != null && s2.Prefix != null)
{
maxScore = base.Distance(s1.Value, s2.Value) * 0.8;
maxScore += base.Distance(s1.Prefix, s2.Prefix) * 0.2;
maxScore = AdjustForChildren(s1, s2, weight, maxScore);
}
if (s1.Prefix != null)
{
double score = TryMatch(String.Format("{0} {1}", s1.Prefix, s1.Value), s2.Value, maxScore, 1.0);
maxScore = Math.Max(maxScore, AdjustForChildren(s1, s2, weight, score));
}
if (s2.Prefix != null)
{
double score = TryMatch(String.Format("{0} {1}", s2.Prefix, s2.Value), s1.Value, maxScore, 1.0);
maxScore = Math.Max(maxScore, AdjustForChildren(s1, s2, weight, score));
}
maxScore = TryMatch(s1.Value, s2.Value, maxScore, (s1.Prefix == null && s2.Prefix == null) ? 1.0 : 0.7);
}
else
{
if (s1.Value != null)
{
maxScore = TryMatch(s1.Prefix + s1.Value, s2.Prefix, maxScore, 0.6);
maxScore = TryMatch(s1.Value, s2.Prefix, maxScore, 0.6);
}
if (s2.Value != null)
{
maxScore = TryMatch(s2.Prefix + s2.Value, s1.Prefix, maxScore, 0.6);
maxScore = TryMatch(s2.Value, s1.Prefix, maxScore, 0.6);
}
}
maxScore = TryMatch(s1.ToStringWithPref(), s2.ToStringWithPref(), maxScore, 0.8);
maxScore = TryMatch(s1.ToStringNoPref(), s2.ToStringNoPref(), maxScore, 0.5);
return(maxScore * weight);
}
internal StreetAddress Normalize(string addr)
{
String[] addrComponents = Regex.Split(addr.ToUpper().Trim(), "\\s+");
if (addrComponents.Length == 0)
{
return(null);
}
StreetAddress address = new StreetAddress()
{
Number = addrComponents[0],
};
SecondLevelAddress activeAddrL2 = null;
var buffer = new StringBuilder();
for (int i = 1; i < addrComponents.Length; i++)
{
String test = ExtractString(addrComponents[i]);
String strSuffix = indexStreet.Lookup(test);
String secondLevel = indexSecondary.Lookup(test);
if (strSuffix != null && !IsNextSpecial(addrComponents, i + 1))
{
address.Name = buffer.ToString();
address.Suffix = strSuffix;
buffer = new StringBuilder();
}
else if (secondLevel != null)
{
var s2String = buffer.ToString();
SecondLevelAddress newAddrL2 = new SecondLevelAddress();
if (address.Name == null)
{
address.Name = s2String.Replace("-", "");
}
else
{
if (activeAddrL2 == null)
{
newAddrL2.Value = s2String.Replace("-", "");
}
else
{
activeAddrL2.Value = s2String.Replace("-", "");
}
}
buffer = new StringBuilder();
newAddrL2.Prefix = secondLevel;
if (address.SecondLevel == null)
{
address.SecondLevel = newAddrL2;
}
else
{
activeAddrL2.Child = newAddrL2;
}
activeAddrL2 = newAddrL2;
}
else
{
buffer.Append(addrComponents[i]);
}
}
var bufferString = buffer.ToString();
if (!String.IsNullOrEmpty(bufferString))
{
if (address.Name == null)
{
address.Name = bufferString.Replace("-", "");
}
else
{
if (activeAddrL2 == null)
{
activeAddrL2 = new SecondLevelAddress();
address.SecondLevel = activeAddrL2;
}
activeAddrL2.Value = bufferString.Replace("-", "");
}
}
return(address);
}
