public static string Replace(java.lang.String str, string oldStr, string newStr)
{
ThrowHelper.ThrowIfNull(oldStr);
int lenOld = ((java.lang.String)(object) oldStr).length();
if (lenOld == 0)
{
throw new System.ArgumentException();
}
int idx1 = str.indexOf(oldStr, 0);
if (idx1 == -1)
{
return((string)(object)str);
}
int idx0 = 0;
int len = str.length();
var sb = new java.lang.StringBuilder();
for (;;)
{
sb.append(str.substring(idx0, idx1));
if (newStr != null)
{
sb.append(newStr);
}
if ((idx0 = idx1 + lenOld) >= len ||
(idx1 = str.indexOf(oldStr, idx0)) == -1)
{
sb.append(str.substring(idx0));
return(sb.ToString());
}
}
}
private static void SplitCharacter(java.lang.String str, int length,
java.util.ArrayList list, int maxCount,
bool omit, char[] anyOf)
{
int listCount = 0;
int lastIndex = -1;
for (int index = 0; index < length; index++)
{
if (!CharAtIsAnyOf(str, index, anyOf))
{
continue;
}
if (index == ++lastIndex && omit)
{
continue;
}
if (++listCount == maxCount)
{
list.add(str.substring(lastIndex));
return;
}
list.add(str.substring(lastIndex, index));
lastIndex = index;
}
if (length != ++lastIndex || !omit)
{
list.add(str.substring(lastIndex));
}
}
public static int CompareOrdinal(java.lang.String strA, int indexA,
java.lang.String strB, int indexB, int length)
{
if (object.ReferenceEquals(strA, strB))
{
return(0);
}
if (strA == null)
{
return(-1);
}
if (strB == null)
{
return(1);
}
int endIndexA, endIndexB;
if (indexA < 0 || (endIndexA = indexA + length) > strA.length() ||
indexB < 0 || (endIndexB = indexB + length) > strB.length())
{
throw new System.ArgumentOutOfRangeException();
}
return(((java.lang.String)(object) strA.substring(indexA, endIndexA))
.compareTo((java.lang.String)(object) strB.substring(indexB, endIndexB)));
}
private static void SplitString(java.lang.String str, int length,
java.util.ArrayList list, int maxCount,
bool omit, java.lang.String[] anyOfStr)
{
int anyOfNum = anyOfStr.Length;
char[] anyOfChar = new char[anyOfNum];
for (int index = 0; index < anyOfNum; index++)
{
var s = anyOfStr[index];
anyOfChar[index] =
(s != null && s.length() > 0) ? s.charAt(index) : '\0';
}
int listCount = 0;
int lastIndex = 0;
for (int index = 0; index < length;)
{
int len = StrAtIsAnyOf(str, index, anyOfNum, anyOfChar, anyOfStr);
if (len == -1)
{
index++;
}
else
{
if (index != lastIndex || !omit)
{
if (++listCount == maxCount)
{
list.add(str.substring(lastIndex));
return;
}
list.add(str.substring(lastIndex, index));
}
lastIndex = (index += len);
}
}
if (length != lastIndex || !omit)
{
list.add(str.substring(lastIndex));
}
}
public static string TrimWhiteSpace(java.lang.String str, bool trimStart, bool trimEnd)
{
int n = str.length();
int i = 0;
if (trimStart)
{
while (i < n && Char.IsWhiteSpace(str.charAt(i)))
{
i++;
}
}
if (trimEnd)
{
while (n-- > i && Char.IsWhiteSpace(str.charAt(n)))
{
;
}
n++;
}
return(str.substring(i, n));
}
public static string Substring(java.lang.String str, int idx, int len)
{
ThrowIfBadIndexOrCount(str, idx, len);
return(str.substring(idx, idx + len));
}
public static string Substring(java.lang.String str, int idx)
{
ThrowIfBadIndex(str, idx);
return(str.substring(idx));
}