public static IEnumerable <string> WrappedLines(string self, IEnumerable <int> widths)
{
if (widths == null)
{
throw new ArgumentNullException("widths");
}
return(StringCoda.CreateWrappedLinesIterator(self, widths));
}
private static IEnumerable <string> CreateWrappedLinesIterator(string self, IEnumerable <int> widths)
{
if (string.IsNullOrEmpty(self))
{
yield return(string.Empty);
}
else
{
using (IEnumerator <int> enumerator = widths.GetEnumerator())
{
bool?hw = new bool?();
int width = StringCoda.GetNextWidth(enumerator, int.MaxValue, ref hw);
int start = 0;
do
{
int end = StringCoda.GetLineEnd(start, width, self);
char c = self[end - 1];
if (char.IsWhiteSpace(c))
{
--end;
}
bool needContinuation = end != self.Length && !StringCoda.IsEolChar(c);
string continuation = "";
if (needContinuation)
{
--end;
continuation = "-";
}
string line = self.Substring(start, end - start) + continuation;
yield return(line);
start = end;
if (char.IsWhiteSpace(c))
{
++start;
}
width = StringCoda.GetNextWidth(enumerator, width, ref hw);
}while (start < self.Length);
}
}
}
private static int GetLineEnd(int start, int length, string description)
{
int num1 = Math.Min(start + length, description.Length);
int num2 = -1;
for (int index = start; index < num1; ++index)
{
if ((int)description[index] == 10)
{
return(index + 1);
}
if (StringCoda.IsEolChar(description[index]))
{
num2 = index + 1;
}
}
if (num2 == -1 || num1 == description.Length)
{
return(num1);
}
return(num2);
}
private static IEnumerable <string> GetLines(string description)
{
return(StringCoda.WrappedLines(description,
80 - OptionWidth,
80 - OptionWidth - 2));
}
private static IEnumerable <string> GetLines(string description, int firstWidth, int remWidth)
{
return(StringCoda.WrappedLines(description, firstWidth, remWidth));
}
public static IEnumerable <string> WrappedLines(string self, params int[] widths)
{
IEnumerable <int> widths1 = (IEnumerable <int>)widths;
return(StringCoda.WrappedLines(self, widths1));
}
