private static bool Match(object originalValue, object copyValue)
{
// If a custom IMatchable description exists use it to determine if there is a match
IProjMatchable originalMatch = originalValue as IProjMatchable;
IProjMatchable copyMatch = copyValue as IProjMatchable;
if (originalMatch != null && copyMatch != null)
{
bool res = originalMatch.Matches(copyMatch);
return(res);
}
// Strings are enumerable, so test them first, since string.Equals should be faster than
// cycling through each character.
string origString = originalValue as string;
if (origString != null)
{
string mString = copyValue as string;
if (mString == null)
{
return(false);
}
return(origString.Equals(mString));
}
// If the object is an enumeration, test the members of the enumeration.
// If any members fail the match test, then the whole collection fails the match.
IEnumerable originalList = originalValue as IEnumerable;
if (originalList != null)
{
IEnumerable copyList = copyValue as IEnumerable;
if (copyList != null)
{
IEnumerator e = copyList.GetEnumerator();
e.MoveNext();
foreach (object originalItem in originalList)
{
if (Match(originalItem, e.Current) == false)
{
return(false);
}
e.MoveNext();
}
}
return(true);
}
if (originalValue == null && copyValue == null)
{
return(true);
}
// If the objects are not collections and are not IMatchable, the only remaining thing we can
// realistically test is simple equality.
// Don't use == here! It will always be false for boxed value types.
return(originalValue != null && (originalValue.Equals(copyValue)));
}
/// <summary>
/// This tests the public properties from the two objects. If any properties implement
/// the IMatchable interface, and do not match, this returns false. If any public
/// properties are value types, and they are not equal, then this returns false.
/// </summary>
/// <param name="self">This matchable item </param>
/// <param name="other">The other item to compare to this item</param>
/// <returns>Boolean, true if there is a match</returns>
public static bool Matches(this IProjMatchable self, IProjMatchable other)
{
List <string> ignoreMe;
return(self.Matches(other, out ignoreMe));
}
