/// <summary>
/// Initialize the agnostic string comparers using the provided hash function.
/// Injects the function from the non-PCL assembly, to get around PCL limitations.
/// MUST be run before other objects are constructed.
/// </summary>
/// <param name="hashFunction"></param>
public static void HashStringsUsing(Func <string, CompareInfo, CompareOptions, int> hashFunction)
{
hashFunction = hashFunction ?? DefaultAgnosticHashFunction.HashFunction;
StringComparer1 = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreCase | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
StringComparer2 = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreSymbols | CompareOptions.IgnoreCase | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
AdvancedOptions.Instance.PropertyChanged += AdvancedOptions_PropertyChanged;
currentComparer = AdvancedOptions.Instance.WhitespaceAndPunctuationIsSignificant ? StringComparer1 : StringComparer2;
}
/// <summary>
/// Initialize the agnostic string comparers using the provided hash function.
/// Injects the function from the non-PCL assembly, to get around PCL limitations.
/// MUST be run before other objects are constructed.
/// </summary>
/// <param name="hashFunction"></param>
public static PropertyChangedEventHandler HashStringsUsing(Func <string, CompareInfo, CompareOptions, int> hashFunction)
{
hashFunction = hashFunction ?? DefaultAgnosticHashFunction.HashFunction;
StringComparerNoCaseSymbol = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreCase | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
StringComparerNoCaseNoSymbol = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreCase | CompareOptions.IgnoreSymbols | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
// Case Sensitive, Symbols Sensitive.
StringComparerCaseSymbol = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
// Case Sensitive, Symbols No Sensitive.
StringComparerCaseNoSymbol = new CustomStringComparer(CultureInfo.InvariantCulture.CompareInfo,
CompareOptions.IgnoreSymbols | CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreWidth, hashFunction);
currentComparer = StringComparerNoCaseNoSymbol;
// This function is called by the MainViewModel during construction. Return the event handler we want to attach.
return(MainViewModel_PropertyChanged);
}
