/// <summary>
/// Codepoints to string operation.
/// </summary>
/// <param name="args">
/// Result from the expressions evaluation. </param>
/// <exception cref="DynamicError">
/// Dynamic error. </exception>
/// <returns> Result of fn:codepoints-to-string operation. </returns>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: public static org.eclipse.wst.xml.xpath2.api.ResultSequence codepoints_to_string(java.util.Collection args) throws org.eclipse.wst.xml.xpath2.processor.DynamicError
public static ResultSequence codepoints_to_string(ICollection args)
{
ICollection cargs = Function.convert_arguments(args, expected_args());
var j = cargs.GetEnumerator();
j.MoveNext();
ResultSequence arg1 = (ResultSequence)j.Current;
if (arg1 == null || arg1.empty())
{
return(new XSString(""));
}
int[] codePointArray = new int[arg1.size()];
int codePointIndex = 0;
for (var i = arg1.iterator(); i.MoveNext();)
{
XSInteger code = (XSInteger)i.Current;
int codepoint = (int)code.int_value();
if (codepoint < MIN_LEGAL_CODEPOINT || codepoint > MAX_LEGAL_CODEPOINT)
{
throw DynamicError.unsupported_codepoint("U+" + Convert.ToString(codepoint, 16).ToUpper());
}
codePointArray[codePointIndex] = codepoint;
codePointIndex++;
}
try
{
var c = codePointArray.Select(x => (char)x).ToArray();
string str = new string(c);
return(new XSString(str));
}
catch (System.ArgumentException iae)
{
// This should be duoble checked above, but rather safe than sorry
throw DynamicError.unsupported_codepoint(iae.Message);
}
}
/// <summary>
/// Constructor for IntegerLiteral
/// </summary>
/// <param name="i">
/// integer value </param>
public IntegerLiteral(System.Numerics.BigInteger i)
{
_value = new XSInteger(i);
}
