internal static new bool ReadFromString(StringScanner scanner, out DataStringItem item)
{
using (var token = scanner.SaveIndex())
{
if (scanner.CurrentChar == '0')
{
scanner.Increment();
bool literalIsBinary = scanner.CurrentChar == 'b',
literalIsHexadecimal = scanner.CurrentChar == 'x';
if (literalIsBinary || literalIsHexadecimal)
{
scanner.Increment();
}
using (var repStrToken = scanner.SaveIndex())
{
while (literalIsBinary && GlobalConsts.BINARY_CHARSET.Contains(scanner.CurrentChar) ||
literalIsHexadecimal && GlobalConsts.HEXADECIMAL_CHARSET.Contains(scanner.CurrentChar) ||
!(literalIsHexadecimal || literalIsHexadecimal) && GlobalConsts.OCTAL_CHARSET.Contains(scanner.CurrentChar))
{
scanner.Increment();
}
string repStr = scanner.GetString(repStrToken);
if (repStr.Length > 0)
{
if (literalIsBinary)
{
item = new DataStringLiteralBinary(BinaryConversion.FromRepresentation(repStr, 2),
DataStringLiteralBinaryRepresentation.Binary);
}
else if (literalIsHexadecimal)
{
item = new DataStringLiteralBinary(BinaryConversion.FromRepresentation(repStr, 16),
DataStringLiteralBinaryRepresentation.Hexadecimal);
}
else
{
item = new DataStringLiteralBinary(BinaryConversion.FromRepresentation(repStr, 8),
DataStringLiteralBinaryRepresentation.Octal);
}
return(true);
}
}
}
scanner.RestoreIndex(token);
item = null;
return(false);
}
}
internal static new bool ReadFromString(StringScanner scanner, out DataStringItem item)
{
if (StringUtils.ReadDecimalString(scanner, out string decimalStr, out bool isFloatingPoint, out bool hasExponent))
{
if (isFloatingPoint)
{
item = new DataStringLiteralFloatingPoint(double.Parse(decimalStr, Conventions.STANDARD_CULTURE));
}
else
{
item = new DataStringLiteralInteger(int.Parse(decimalStr, Conventions.STANDARD_CULTURE));
}
return(true);
}
internal static new bool ReadFromString(StringScanner scanner, out DataStringItem item)
{
using (var token = scanner.SaveIndex())
{
if (scanner.CurrentChar == GlobalConsts.STRING_ENCLOSING_CHAR)
{
while (scanner.CurrentChar != GlobalConsts.STRING_ENCLOSING_CHAR)
{
scanner.Increment();
}
item = new DataStringLiteralString(scanner.GetString(token));
}
scanner.RestoreIndex(token);
item = null;
return(false);
}
}
private void writeAllItems(DataStringItem parameter, ref string result)
{
for (int i = 0; i < parameter.Items.Count; i++)
{
DataStringItem child = parameter.Items[i];
if (i > 0)
{
result += GlobalConsts.SEPARATOR_CHARACTER;
}
if (child is DataStringFunction)
{
var functionItem = child as DataStringFunction;
result += functionItem.Name + GlobalConsts.FUNC_PARAMS_OPENING_CHAR;
writeAllItems(child, ref result);
result += GlobalConsts.FUNC_PARAMS_CLOSING_CHAR;
}
else if (child is DataStringLiteralFloatingPoint)
{
var floatLiteralItem = child as DataStringLiteralFloatingPoint;
result += floatLiteralItem.Value.ToString();
}
else if (child is DataStringLiteralString)
{
var stringLiteralItem = child as DataStringLiteralString;
result += GlobalConsts.STRING_ENCLOSING_CHAR + stringLiteralItem.Value + GlobalConsts.STRING_ENCLOSING_CHAR;
}
else if (child is DataStringSymbol)
{
var symbolItem = child as DataStringSymbol;
result += symbolItem.Name;
}
}
}
internal void DataStringItemAdded(DataStringItem parent)
{
Parent = parent;
}
internal static bool ReadFromString(StringScanner scanner, out DataStringItem item)
{
return(DataStringFunction.ReadFromString(scanner, out item) ||
DataStringSymbol.ReadFromString(scanner, out item) ||
DataStringLiteral.ReadFromString(scanner, out item));
}
internal static new bool ReadFromString(StringScanner scanner, out DataStringItem item)
{
return(DataStringLiteralString.ReadFromString(scanner, out item) ||
DataStringLiteralBinary.ReadFromString(scanner, out item) ||
DataStringLiteralNumber.ReadFromString(scanner, out item));
}
