// Token: 0x060039B7 RID: 14775 RVA: 0x00105DC4 File Offset: 0x00103FC4
private static int StandardMatchIndexCalculation(string textString, string findPattern, bool matchWholeWord, bool matchLast, bool ignoreCase, CompareInfo compareInfo, bool hasPreceedingSeparatorChar, bool hasFollowingSeparatorChar, out int matchLength)
{
CompareOptions options = ignoreCase ? CompareOptions.IgnoreCase : CompareOptions.None;
int num = -1;
int num2 = 0;
int i = textString.Length;
matchLength = 0;
while (i > 0)
{
num = (matchLast ? compareInfo.LastIndexOf(textString, findPattern, num2 + i - 1, i, options) : compareInfo.IndexOf(textString, findPattern, num2, i, options));
matchLength = findPattern.Length;
if (num == -1 || !matchWholeWord || TextFindEngine.IsAtWordBoundary(textString, num, matchLength, hasPreceedingSeparatorChar, hasFollowingSeparatorChar))
{
break;
}
if (matchLast)
{
num2 = 0;
i = num + matchLength - 1;
}
else
{
num2 = num + 1;
i = textString.Length - num2;
}
num = -1;
}
return(num);
}
// Token: 0x060039B8 RID: 14776 RVA: 0x00105E50 File Offset: 0x00104050
private static int BidiIgnoreDiacriticsMatchIndexCalculation(string textString, string findPattern, bool matchKashida, bool matchAlefHamza, bool matchWholeWord, bool matchLast, bool ignoreCase, CompareInfo compareInfo, bool hasPreceedingSeparatorChar, bool hasFollowingSeparatorChar, out int matchLength)
{
int num = -1;
int num2 = matchLast ? (textString.Length - 1) : 0;
int num3 = matchLast ? -1 : textString.Length;
int num4 = matchLast ? -1 : 1;
if (Environment.OSVersion.Version.Major >= 6)
{
uint num5 = 2U;
if (ignoreCase)
{
num5 |= 1U;
}
if (matchLast)
{
num5 |= 8388608U;
}
if (matchKashida)
{
textString = textString.Replace('ـ', '0');
findPattern = findPattern.Replace('ـ', '0');
}
if (matchAlefHamza)
{
textString = textString.Replace('آ', '0');
textString = textString.Replace('أ', '1');
textString = textString.Replace('إ', '2');
findPattern = findPattern.Replace('آ', '0');
findPattern = findPattern.Replace('أ', '1');
findPattern = findPattern.Replace('إ', '2');
}
matchLength = 0;
if (matchWholeWord)
{
int num6 = num2;
while (num == -1)
{
if (num6 == num3)
{
break;
}
for (int i = num6; i < textString.Length; i++)
{
string sourceString = textString.Substring(num6, i - num6 + 1);
int num7 = TextFindEngine.FindNLSString(compareInfo.LCID, num5, sourceString, findPattern, out matchLength);
if (num7 >= 0 && TextFindEngine.IsAtWordBoundary(textString, num6 + num7, matchLength, hasPreceedingSeparatorChar, hasFollowingSeparatorChar))
{
num = num6 + num7;
break;
}
}
num6 += num4;
}
}
else
{
num = TextFindEngine.FindNLSString(compareInfo.LCID, num5, textString, findPattern, out matchLength);
}
}
else
{
CompareOptions options = CompareOptions.IgnoreNonSpace | (ignoreCase ? CompareOptions.IgnoreCase : CompareOptions.None);
matchLength = 0;
int num8 = num2;
while (num == -1 && num8 != num3)
{
for (int j = num8; j < textString.Length; j++)
{
if (compareInfo.Compare(textString, num8, j - num8 + 1, findPattern, 0, findPattern.Length, options) == 0 && (!matchWholeWord || TextFindEngine.IsAtWordBoundary(textString, num8, j - num8 + 1, hasPreceedingSeparatorChar, hasFollowingSeparatorChar)) && (!matchKashida || TextFindEngine.IsKashidaMatch(textString.Substring(num8, j - num8 + 1), findPattern, compareInfo)) && (!matchAlefHamza || TextFindEngine.IsAlefHamzaMatch(textString.Substring(num8, j - num8 + 1), findPattern, compareInfo)))
{
num = num8;
matchLength = j - num8 + 1;
break;
}
}
num8 += num4;
}
}
return(num);
}