private ComplexEnumeration ParseEnumeration(string portEnumeration)
{
var newEnumeration = new ComplexEnumeration();
var to = "(downto|to)";
var directionStr = Regex.Match(portEnumeration, to).Value;
EnumerationDirections direction;
if (!EnumerationDirections.TryParse(directionStr, true, out direction))
{
return(null);
}
newEnumeration.Direction = direction;
var leftNumber = Num + "(?=" + MFS + to + ")";
var rightNumber = "(?<=" + to + MFS + ")" + Num;
int left, right;
var leftStr = Regex.Match(portEnumeration, leftNumber).Value;
var rightStr = Regex.Match(portEnumeration, rightNumber).Value;
if (!int.TryParse(leftStr, out left))
{
throw new Exception("!!!");
}
if (!int.TryParse(rightStr, out right))
{
throw new Exception("!!!");
}
newEnumeration.From = left;
newEnumeration.To = right;
return(newEnumeration);
}
public static ComplexEnumeration Parse(string text)
{
var newEnumeration = new ComplexEnumeration();
const string to = "(downto|to)";
var directionStr = Regex.Match(text, to).Value;
EnumerationDirections direction;
if (!EnumerationDirections.TryParse(directionStr, true, out direction))
{
return(null);
}
newEnumeration.Direction = direction;
var leftNumber = PC.Num + "(?=" + PC.MFS + to + ")";
var rightNumber = "(?<=" + to + PC.MFS + ")" + PC.Num;
int left, right;
var leftStr = Regex.Match(text, leftNumber).Value;
var rightStr = Regex.Match(text, rightNumber).Value;
if (!int.TryParse(leftStr, out left))
{
return(null);
}
if (!int.TryParse(rightStr, out right))
{
return(null);
}
newEnumeration.From = left;
newEnumeration.To = right;
return(newEnumeration);
}
public ComplexEnumeration(int n, EnumerationDirections direction)
{
Direction = direction;
if (direction == EnumerationDirections.To)
{
From = 0;
To = n - 1;
}
if (direction == EnumerationDirections.Downto)
{
To = 0;
From = n - 1;
}
}
public ComplexEnumeration(int from, int to, EnumerationDirections directions)
{
From = from;
To = to;
Direction = directions;
}
