/// <summary>
/// Returns <c>true</c> if both <see cref="WordEntry"/> entries has almost one letter in common
/// </summary>
public bool GetCommonLetters()
{
if (Existing.Direction.SameDirection(Candidate.Direction))
{
var result = FindCommonLetters(Existing, Candidate);
if (result.hasCommon)
{
ExistingRange = result.left;
CandidateRange = result.right;
}
else
{
result = FindCommonLetters(Candidate, Existing);
if (result.hasCommon)
{
ExistingRange = result.right;
CandidateRange = result.left;
}
}
if (result.hasCommon)
{
for (int i = ExistingRange.Init; i < ExistingRange.Init + ExistingRange.Length; i++)
{
CommonLetters.Add(new CommonLetter {
Letter = Existing.Name[i],
ExistingPos = i,
CandidatePos = CandidateRange.Init + i
});
}
return(true);
}
return(false);
}
else
{
for (int i = 0; i < Existing.Name.Length; i++)
{
int pos = Candidate.Name.IndexOf(Existing.Name[i]);
if (pos >= 0)
{
CommonLetters.Add(new CommonLetter {
Letter = Existing.Name[i],
ExistingPos = i,
CandidatePos = pos
});
}
}
return(CommonLetters.Count > 0);
}
}
/// <summary>
/// Returns a list of coordinates where both entries intersects
/// </summary>
/// <returns></returns>
public IEnumerable <Point> GetIntersection()
{
Clear();
CommonLetters.Clear();
ExistingRange = new Range();
CandidateRange = new Range();
for (int i = 0; i < Existing.Name.Length; i++)
{
for (int j = 0; j < Candidate.Name.Length; j++)
{
if (Existing.Coordinate(i) == Candidate.Coordinate(j))
{
Add(Existing.Coordinate(i));
Logger.LogTrace($" {Existing.Coordinate(i)}");
}
}
}
Logger.LogDebug($"Comparing ({Existing}) with candidate ({Candidate}): {Count} intersection(s) found");
return(this);
}
