private static unsafe int CompareStringOrdinalAscii(char *s1, int count1, char *s2, int count2, bool ignoreCase)
{
int countMin = Math.Min(count1, count2);
{
for (int i = 0; i < countMin; i++)
{
char c1 = ignoreCase ? TextInfo.ChangeCaseAscii(s1[i]) : s1[i];
char c2 = ignoreCase ? TextInfo.ChangeCaseAscii(s2[i]) : s2[i];
if (c1 < c2)
{
return(-1);
}
else if (c1 > c2)
{
return(1);
}
}
}
if (count1 == count2)
{
return(0);
}
if (count1 > count2)
{
return(1);
}
return(-1);
}
private unsafe int GetHashCodeOfStringCore(string source, CompareOptions options)
{
Contract.Assert(source != null);
Contract.Assert((options & (CompareOptions.Ordinal | CompareOptions.OrdinalIgnoreCase)) == 0);
// TODO: Implement This Fully.
int hash = 5381;
unchecked
{
for (int i = 0; i < source.Length; i++)
{
hash = ((hash << 5) + hash) + TextInfo.ChangeCaseAscii(source[i]);
}
}
return(hash);
}
// PAL ends here
private static bool StringEqualsAscii(string s1, string s2, bool ignoreCase = true)
{
if (s1.Length != s2.Length)
{
return(false);
}
for (int i = 0; i < s1.Length; i++)
{
char c1 = ignoreCase ? TextInfo.ChangeCaseAscii(s1[i]) : s1[i];
char c2 = ignoreCase ? TextInfo.ChangeCaseAscii(s2[i]) : s2[i];
if (c1 != c2)
{
return(false);
}
}
return(true);
}
