int ParseInt(int start, int end, int radix, bool negative)
{
int max = int.MinValue / radix;
int result = 0;
int currOffset = start;
while (currOffset < end)
{
int digit = CharUtil.Digit((char)(this.value[currOffset++ + this.offset]), radix);
if (digit == -1)
{
ThrowHelper.ThrowFormatException(this, start, end);
}
if (max > result)
{
ThrowHelper.ThrowFormatException(this, start, end);
}
int next = result * radix - digit;
if (next > result)
{
ThrowHelper.ThrowFormatException(this, start, end);
}
result = next;
}
if (!negative)
{
result = -result;
if (result < 0)
{
ThrowHelper.ThrowFormatException(this, start, end);
}
}
return(result);
}
public bool RegionMatchesIgnoreCase(int thisStart, ICharSequence seq, int start, int length) => CharUtil.RegionMatchesIgnoreCase(this, thisStart, seq, start, length);
public bool ContentEqualsIgnoreCase(ICharSequence other) => CharUtil.ContentEqualsIgnoreCase(this, other);
public bool ContentEquals(ICharSequence other) => CharUtil.ContentEquals(this, other);
public int IndexOf(char ch, int start = 0) => CharUtil.IndexOf(this, ch, start);
public bool RegionMatches(int thisStart, ICharSequence seq, int start, int length) => CharUtil.RegionMatches(this, this.offset + thisStart, seq, start, length);
