/// <summary>
/// Split to Lines
/// </summary>
/// <param name="source"></param>
/// <param name="newLine"></param>
/// <param name="count"></param>
/// <returns></returns>
public static IEnumerable <string> SplitToLines(this string source,
NewLine newLine,
int count,
StringSplitOptions splitOptions)
{
if (string.IsNullOrEmpty(source))
{
yield break;
}
else if (count == 1)
{
yield return(source);
yield break;
}
string delimiter = newLine.Delimiter();
if (string.IsNullOrEmpty(delimiter))
{
foreach (string line in CoreSplitToLinesSmart(source, count, splitOptions))
{
yield return(line);
}
yield break;
}
int position = 0;
int index = 0;
while (true)
{
int next = source.IndexOf(delimiter, position);
if (next < 0)
{
break;
}
string item = source.Substring(position, next - position - delimiter.Length);
position = next + delimiter.Length;
if (splitOptions == StringSplitOptions.RemoveEmptyEntries && string.IsNullOrEmpty(item))
{
continue;
}
index += 1;
yield return(item);
if (count > 0 && count - index <= 1)
{
break;
}
}
string tail = source.Substring(position);
if (splitOptions != StringSplitOptions.RemoveEmptyEntries || !string.IsNullOrEmpty(tail))
{
yield return(tail);
}
}