public int Compare(UnmanagedStringArray.UnmanagedString string1, UnmanagedStringArray.UnmanagedString string2)
{
Debug.Assert(string1.IsNull == false);
Debug.Assert(string2.IsNull == false);
var string1State = new AlphanumericStringComparisonState(string1);
var string2State = new AlphanumericStringComparisonState(string2);
// Walk through two the strings with two markers.
while (string1State.CurPositionInString < string1State.StringLength &&
string2State.CurPositionInString < string2State.StringLength)
{
string1State.ScanNextAlphabeticOrNumericSequence();
string2State.ScanNextAlphabeticOrNumericSequence();
var result = string1State.CompareWithAnotherState(string2State);
if (result != 0)
{
return(result);
}
}
if (string1State.CurPositionInString < string1State.StringLength)
{
return(1);
}
if (string2State.CurPositionInString < string2State.StringLength)
{
return(-1);
}
return(0);
}
public unsafe int Compare(string string1, string string2)
{
if (string1 == null)
{
return(0);
}
if (string2 == null)
{
return(0);
}
var string1State = new AlphanumericStringComparisonState(string1);
var string2State = new AlphanumericStringComparisonState(string2);
// Walk through two the strings with two markers.
while (string1State.CurPositionInString < string1State.StringLength &&
string2State.CurPositionInString < string2State.StringLength)
{
string1State.ScanNextAlphabeticOrNumericSequence();
string2State.ScanNextAlphabeticOrNumericSequence();
var result = string1State.CompareWithAnotherState(string2State);
if (result != 0)
{
return(result);
}
}
if (string1State.CurPositionInString < string1State.StringLength)
{
return(1);
}
if (string2State.CurPositionInString < string2State.StringLength)
{
return(-1);
}
return(0);
}