private static void SplitWhiteSpace(java.lang.String str, int length,
java.util.ArrayList list, int maxCount,
bool omit)
{
int listCount = 0;
int lastIndex = -1;
for (int index = 0; index < length; index++)
{
if (!Char.IsWhiteSpace(str.charAt(index)))
{
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));
}
}
private static bool CharAtIsAnyOf(java.lang.String str, int idx, char[] anyOf)
{
char ch1 = str.charAt(idx);
foreach (var ch2 in anyOf)
{
if (ch2 == ch1)
{
return(true);
}
}
return(false);
}
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 bool IsNullOrWhiteSpace(java.lang.String str)
{
if (str != null)
{
int n = str.length();
for (int i = 0; i < n; i++)
{
if (!Char.IsWhiteSpace(str.charAt(i)))
{
return(false);
}
}
}
return(true);
}
private static int StrAtIsAnyOf(java.lang.String str, int idx, int anyOfNum,
char[] anyOfChar, java.lang.String[] anyOfStr)
{
char ch = str.charAt(idx);
for (int i = 0; i < anyOfNum; i++)
{
if (anyOfChar[i] == ch)
{
int len = anyOfStr[i].length();
if (str.regionMatches(idx, anyOfStr[i], 0, len))
{
return(len);
}
}
}
return(-1);
}
public static string FormatNumber(java.lang.String format, IFormatProvider provider,
java.lang.Number number)
{
if (provider != null)
{
if ((provider is System.Globalization.NumberFormatInfo) ||
null != provider.GetFormat(
typeof(System.Globalization.NumberFormatInfo)))
{
throw new PlatformNotSupportedException("provider with a NumberFormatInfo");
}
}
int len = format.length();
bool explicit_width = false;
int width = -1;
if (len == 1)
{
width = 0;
}
else if (len > 1 && len <= 3)
{
int n10 = 0;
int n01 = (int)(format.charAt(1) - '0');
if (len > 2)
{
n10 = n01;
n01 = (int)(format.charAt(2) - '0');
}
if (n01 >= 0 && n01 <= 9 && n10 >= 0 && n10 <= 9)
{
width = n10 * 10 + n01;
}
}
char c = format.charAt(0);
bool isInt = (number is java.lang.Byte || number is java.lang.Short ||
number is java.lang.Integer || number is java.lang.Long);
char pfx = (char)0;
string sfx = "";
switch (Char.ToUpperInvariant(c))
{
case 'X':
if (width != 0)
{
pfx = '0';
}
if (!isInt)
{
c = (char)0;
}
else if (number is java.lang.Byte)
{
number = java.lang.Integer.valueOf(number.byteValue() & 0xFF);
}
else if (number is java.lang.Short)
{
number = java.lang.Integer.valueOf(number.shortValue() & 0xFFFF);
}
break;
case 'D':
c = isInt ? 'd' : (char)0;
pfx = '0';
break;
case 'N':
if (isInt)
{
c = 'd';
sfx = "." + new string('0', width);
width = 0;
}
else
{
c = 'f';
explicit_width = true; // set width even if zero
}
pfx = ',';
break;
case 'P':
number = java.lang.Double.valueOf(number.doubleValue() * 100.0);
pfx = ',';
sfx = "%%";
if (len == 1)
{
width = 2;
}
goto case 'F';
case 'F':
c = 'f';
goto case 'G';
case 'E':
case 'G':
if (isInt)
{
number = java.lang.Double.valueOf(number.doubleValue());
isInt = false;
}
break;
default:
c = (char)0;
break;
}
if (c != 0 && width != -1)
{
var format1 = "%";
if (pfx != 0)
{
format1 += pfx;
}
if (explicit_width || width != 0)
{
if (!isInt)
{
format1 += ".";
}
format1 += width.ToString();
}
format1 += c + sfx;
return(java.lang.String.format(format1, new object[] { number }));
}
return((string)(object)format);
}
//
//
//
// throws java.lang.StringIndexOutOfBounds -> System.IndexOutOfRangeException
public static char get_Chars(java.lang.String str, int idx) => str.charAt(idx);
