public static string CompactString(string value, int maxLength, CompactStringBehavior behavior, string snipIndicator)
{
string compacted = string.Empty;
int lenghtAdjustment = 0;
snipIndicator = " " + snipIndicator;
if (maxLength <= 0)
{
throw new ArgumentOutOfRangeException("maxLength", maxLength, "Value must be greater than zero (0).");
}
if (behavior == 0)
{
throw new ArgumentException("behavior must contain a value other than 0.", "behavior");
}
if (value.Length <= maxLength)
{
return(value);
}
if (behavior == CompactStringBehavior.removeEnd)
{
compacted = value.Substring(0, maxLength - snipIndicator.Length) + snipIndicator;
}
else if (behavior == CompactStringBehavior.removeMiddle)
{
if (Math.IEEERemainder(maxLength, 2) != 0)
{
lenghtAdjustment += 1;
}
compacted = value.Substring(0, System.Convert.ToInt32(Math.Floor(maxLength / 2.0)) - snipIndicator.Length - lenghtAdjustment) + snipIndicator;
compacted += value.Substring(value.Length - System.Convert.ToInt32(Math.Floor(maxLength / 2.0)), System.Convert.ToInt32(Math.Floor(maxLength / 2.0)));
}
else
{
throw new ArgumentException(string.Format("Unrecognized CompactStringBehavior '{0}'.", behavior.ToString()));
}
if (compacted.Length > maxLength)
{
throw new Exception(string.Format("Compact of string resulted in a string exceeding "
+ "the requested maximum length. Expected length: {1}, actual: {2}. "
+ "String value: \"{0}\".",
value,
maxLength.ToString(),
compacted.Length.ToString()));
}
return(compacted);
}
public static string CompactString(string value, int maxLength, CompactStringBehavior behavior)
{
return(CompactString(value, maxLength, behavior, "..."));
}
