public static bool StringToStringCompare(string source, string target, bool isZeroDistance, out Priority priority)
{
var isPresent = true;
var isContains = true;
priority = Priority.P3;
var sNumber = -1;
if (int.TryParse(source, out sNumber))
{
var tNumber = -1;
if (int.TryParse(target, out tNumber))
{
priority = Priority.P1;
return(sNumber == tNumber);
}
else
{
return(false);
}
}
else
{
var tNumber = -1;
if (int.TryParse(target, out tNumber))
{
return(false);
}
}
if (!source.Equals(target, StringComparison.OrdinalIgnoreCase))
{
var sources = source.SplitString();
var isSourceContainsMultipleWords = sources.Count() > 1;
var diff = Math.Abs(source.Length - target.Length);
var dist = LevenshteinDistance.Compute(source, target);
if (dist > 8)
{
return(false);
}
if (source.Length <= 1)
{
return(isPresent);
}
isContains = (target.StartsWith(source, StringComparison.OrdinalIgnoreCase) && diff <= 6);
if (source.Length > 1 && source.Length <= 6)
{
if (dist == 1 || isContains)
{
priority = Priority.P2;
}
else if (dist == 2)
{
priority = Priority.P3;
}
else
{
isPresent = false;
}
}
else
{
if (dist == 1 || isContains) // || (Math.Abs(source.Length - dist) > (source.Length / 2))
{
priority = Priority.P2;
}
else if (dist == 2)
{
priority = Priority.P3;
}
else if (dist == 3)
{
priority = Priority.P4;
}
else if (dist == 4)
{
priority = Priority.P5;
}
else
{
isPresent = false;
}
}
if (((!isSourceContainsMultipleWords && dist > 2) || isZeroDistance) && !isContains)
{
isPresent = false;
}
}
else
{
priority = Priority.P1;
}
return(isPresent);
}
public static bool WordsToWordsCompare(string source, string target, bool isMinDistance, out Priority priority, out int distance)
{
priority = Priority.P3;
distance = LevenshteinDistance.Compute(source, target);
if (source.Equals(target, StringComparison.OrdinalIgnoreCase))
{
priority = Priority.P1;
return(true);
}
if (distance > 10)
{
return(false);
}
var targets = target.SplitString();
var sources = source.SplitString();
var difference = Math.Abs(sources.Count() - targets.Count());
if (difference > 2)
{
return(false);
}
var isSourceContainsSpecialCharacter = sources.Count() > 1;
var isTargetContainsSpecialCharacter = targets.Count() > 1;
if (isSourceContainsSpecialCharacter && isTargetContainsSpecialCharacter)
{
var commonTerms = targets.TraverseIntersect(sources, StringComparer.OrdinalIgnoreCase).ToList();
var matchCount = commonTerms.Count;
var exceptTargetTerms = targets.Except(commonTerms, StringComparer.OrdinalIgnoreCase).ToArray(); //.Select(x=>new WildCompareModel { Name = x }).ToArray();
var exceptSourceTerms = sources.Except(commonTerms, StringComparer.OrdinalIgnoreCase).ToArray();
//var targetHashSet = new HashSet<WildCompareModel>(exceptTargetTerms);
var isExact = true;
if (exceptTargetTerms.Count() > 0)
{
foreach (var itemSource in exceptSourceTerms)
{
var isMatch = (itemSource.Length > 2 && CompareSourceWithTargets(itemSource, exceptTargetTerms, out priority));
if (isMatch)
{
matchCount++;
isExact = false;
}
}
}
var isPresent = matchCount > 0;
if (isPresent)
{
var checkTargetPoint = (int)Math.Ceiling((double)targets.Count() / 2);
var checkSourcePoint = (int)Math.Ceiling((double)sources.Count() / 2);
var isSourceLessEqualTarget = sources.Count() <= targets.Count();
var isSourceGreaterThanTarget = sources.Count() > targets.Count();
//priority = (matchCount == targets.Count() && matchCount == sources.Count() && isExact) ? Priority.P1 :
// (matchCount == targets.Count() || (matchCount == sources.Count() && difference <= 1)) ? Priority.P2 :
// ((isSourceLessEqualTarget && matchCount >= checkTargetPoint) || (isSourceGreaterThanTarget && matchCount >= checkSourcePoint)) ? Priority.P3 :
// (((isSourceLessEqualTarget && targets.Count() - matchCount > 2) || (isSourceGreaterThanTarget && sources.Count() - matchCount > 2)) ? Priority.P5 : Priority.P4);
if (matchCount == targets.Count() && matchCount == sources.Count() && isExact)
{
priority = Priority.P1;
}
else if (matchCount == targets.Count() && matchCount == sources.Count() && !isExact)
{
priority = Priority.P2;
}
else if (((isSourceLessEqualTarget && matchCount >= checkTargetPoint) ||
(isSourceGreaterThanTarget && matchCount >= checkSourcePoint)) && (sources.Count() - matchCount) == 1)
{
priority = Priority.P3;
}
else if (((isSourceLessEqualTarget && matchCount >= checkTargetPoint) ||
(isSourceGreaterThanTarget && matchCount >= checkSourcePoint)) && (sources.Count() - matchCount) == 2)
{
priority = Priority.P4;
}
else
{
priority = Priority.P5;
}
if ((sources.Count() - matchCount >= 3) || (targets.Count() - matchCount >= 3) || (isMinDistance && priority >= Priority.P3))
{
isPresent = false;
}
}
return(isPresent);
}
else if (!isSourceContainsSpecialCharacter && isTargetContainsSpecialCharacter)
{
var sNumber = -1;
if (int.TryParse(source, out sNumber))
{
return(false);
}
else
{
var isMatch = CompareSourceWithTargets(source, targets, out priority);
if (isMatch && isMinDistance && priority >= Priority.P3)
{
isMatch = false;
}
return(isMatch);
}
}
else if (isSourceContainsSpecialCharacter && !isTargetContainsSpecialCharacter)
{
var tNumber = -1;
if (int.TryParse(target, out tNumber))
{
return(false);
}
else
{
var isMatch = CompareSourceWithTargets(target, sources, out priority);
if (isMatch && isMinDistance && priority >= Priority.P3)
{
isMatch = false;
}
return(isMatch);
}
}
else
{
var isPresent = true;
if (string.IsNullOrEmpty(source))
{
isPresent = false;
return(isPresent);
}
var sNumber = -1;
if (int.TryParse(source, out sNumber))
{
priority = Priority.P4;
var tNumber = -1;
if (int.TryParse(target, out tNumber))
{
return(sNumber == tNumber);
}
else
{
return(false);
}
}
else
{
if (!source.Equals(target, StringComparison.OrdinalIgnoreCase))
{
var diff = Math.Abs(source.Length - target.Length);
var dist = LevenshteinDistance.Compute(source, target);
if (diff == 0 && source.Length == 1)
{
isPresent = false;
}
else
{
/// Source string and target string has different in length
/// Source string and target string has same in length but target length is greater than 2
if (source.Length >= ProgramConstant.Tolerance && target.Length > ProgramConstant.Tolerance)
{
if (dist == ProgramConstant.MinorTolerance || (target.Contains(source, StringComparison.OrdinalIgnoreCase) && diff <= 6))
{
priority = Priority.P2;
}
else if (dist == ProgramConstant.Tolerance)
{
priority = Priority.P3;
}
else
{
isPresent = false;
}
}
else
{
if (diff == 0)
{
if (dist > ProgramConstant.MinorTolerance)
{
isPresent = false;
}
else
{
priority = Priority.P2;
}
}
else if (diff == dist && diff == ProgramConstant.MinorTolerance)
{
priority = Priority.P2;
}
else
{
isPresent = false;
}
}
if (isMinDistance && priority >= Priority.P3)
{
isPresent = false;
}
}
}
else
{
priority = Priority.P1;
}
}
return(isPresent);
}
}
